diff options
author | nyamatongwe <unknown> | 2000-03-08 01:38:23 +0000 |
---|---|---|
committer | nyamatongwe <unknown> | 2000-03-08 01:38:23 +0000 |
commit | 7fbd8e2a34d2f5084ce26ad95d7c70ae4de6a233 (patch) | |
tree | 83eec8af8ccee95c3f5a3f4185c1ae2cda3cd4db | |
parent | 8eba2a95b6aa25489c28eabfcd54e0389de78899 (diff) | |
download | scintilla-mirror-7fbd8e2a34d2f5084ce26ad95d7c70ae4de6a233.tar.gz |
Initial revision
-rw-r--r-- | gtk/ScintillaGTK.cxx | 1003 | ||||
-rw-r--r-- | include/Accessor.h | 76 | ||||
-rw-r--r-- | include/KeyWords.h | 8 | ||||
-rw-r--r-- | include/Platform.h | 394 | ||||
-rw-r--r-- | include/PropSet.h | 180 | ||||
-rw-r--r-- | include/SciLexer.h | 172 | ||||
-rw-r--r-- | include/Scintilla.h | 415 | ||||
-rw-r--r-- | include/WinDefs.h | 218 | ||||
-rw-r--r-- | src/Accessor.cxx | 112 | ||||
-rw-r--r-- | src/AutoComplete.cxx | 104 | ||||
-rw-r--r-- | src/AutoComplete.h | 43 | ||||
-rw-r--r-- | src/CallTip.cxx | 168 | ||||
-rw-r--r-- | src/CallTip.h | 46 | ||||
-rw-r--r-- | src/CellBuffer.cxx | 950 | ||||
-rw-r--r-- | src/CellBuffer.h | 197 | ||||
-rw-r--r-- | src/ContractionState.cxx | 203 | ||||
-rw-r--r-- | src/ContractionState.h | 50 | ||||
-rw-r--r-- | src/Document.cxx | 734 | ||||
-rw-r--r-- | src/Document.h | 222 |
19 files changed, 5295 insertions, 0 deletions
diff --git a/gtk/ScintillaGTK.cxx b/gtk/ScintillaGTK.cxx new file mode 100644 index 000000000..266492fc3 --- /dev/null +++ b/gtk/ScintillaGTK.cxx @@ -0,0 +1,1003 @@ +// Scintilla source code edit control +// ScintillaGTK.cxx - GTK+ specific subclass of ScintillaBase +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <ctype.h> +#include <time.h> + +#include "Platform.h" + +#include "Scintilla.h" +#ifdef SCI_LEXER +#include "SciLexer.h" +#include "PropSet.h" +#include "Accessor.h" +#include "KeyWords.h" +#endif +#include "ContractionState.h" +#include "SVector.h" +#include "CellBuffer.h" +#include "CallTip.h" +#include "KeyMap.h" +#include "Indicator.h" +#include "LineMarker.h" +#include "Style.h" +#include "AutoComplete.h" +#include "ViewStyle.h" +#include "Document.h" +#include "Editor.h" +#include "ScintillaBase.h" + +#include "gtk/gtksignal.h" + +class ScintillaGTK : public ScintillaBase { + _ScintillaObject *sci; + Window scrollbarv; + Window scrollbarh; + GtkObject *adjustmentv; + GtkObject *adjustmenth; + char *pasteBuffer; + bool pasteBufferIsRectangular; + GdkEventButton evbtn; + bool capturedMouse; + bool dragWasDropped; + + static GdkAtom clipboard_atom; + +public: + ScintillaGTK(_ScintillaObject *sci_); + virtual ~ScintillaGTK(); + +private: + virtual void Initialise(); + virtual void Finalise(); + virtual void StartDrag(); +public: // Public for scintilla_send_message + virtual LRESULT WndProc(UINT iMessage,WPARAM wParam,LPARAM lParam); +private: + virtual LRESULT DefWndProc(UINT iMessage,WPARAM wParam,LPARAM lParam); + virtual void SetTicking(bool on); + virtual void SetMouseCapture(bool on); + virtual bool HaveMouseCapture(); + void FullPaint(); + void SyncPaint(PRectangle rc); + virtual void ScrollText(int linesToMove); + virtual void SetVerticalScrollPos(); + virtual void SetHorizontalScrollPos(); + virtual bool ModifyScrollBars(int nMax, int nPage); + virtual void NotifyChange(); + virtual void NotifyFocus(bool focus); + virtual void NotifyParent(SCNotification scn); + void NotifyKey(int key, int modifiers); + virtual int KeyDefault(int key, int modifiers); + virtual void Copy(); + virtual void Paste(); + virtual void CreateCallTipWindow(PRectangle rc); + virtual void AddToPopUp(const char *label, int cmd=0, bool enabled=true); + virtual void ClaimSelection(); + void ReceivedSelection(GtkSelectionData *selection_data); + void ReceivedDrop(GtkSelectionData *selection_data); + void GetSelection(GtkSelectionData *selection_data, guint info, char *text, bool isRectangular); + void Resize(int width, int height); + + // Callback functions + static gint FocusIn(GtkWidget *widget, GdkEventFocus *event, ScintillaGTK *sciThis); + static gint FocusOut(GtkWidget *widget, GdkEventFocus *event, ScintillaGTK *sciThis); + static gint Expose(GtkWidget *widget, GdkEventExpose *ose, ScintillaGTK *sciThis); + static void ScrollSignal(GtkAdjustment *adj, ScintillaGTK *sciThis); + static void ScrollHSignal(GtkAdjustment *adj, ScintillaGTK *sciThis); + static gint MoveResize(GtkWidget *widget, GtkAllocation *allocation, ScintillaGTK *sciThis); + static gint Press(GtkWidget *widget, GdkEventButton *event, ScintillaGTK *sciThis); + static gint MouseRelease(GtkWidget *widget, GdkEventButton *event, ScintillaGTK *sciThis); + static gint Motion(GtkWidget *widget, GdkEventMotion *event, ScintillaGTK *sciThis); + static gint KeyPress(GtkWidget *widget, GdkEventKey *event, ScintillaGTK *sciThis); + static gint KeyRelease(GtkWidget *widget, GdkEventKey *event, ScintillaGTK *sciThis); + static gint DestroyWindow(GtkWidget *widget, ScintillaGTK *sciThis); + static void SelectionReceived(GtkWidget *widget, GtkSelectionData *selection_data, + guint time, ScintillaGTK *sciThis); + static void SelectionGet(GtkWidget *widget, GtkSelectionData *selection_data, + guint info, guint time, ScintillaGTK *sciThis); + static void DragBegin(GtkWidget *widget, GdkDragContext *context, + ScintillaGTK *sciThis); + static gboolean DragMotion(GtkWidget *widget, GdkDragContext *context, + gint x, gint y, guint time, ScintillaGTK *sciThis); + static void DragLeave(GtkWidget *widget, GdkDragContext *context, + guint time, ScintillaGTK *sciThis); + static void DragEnd(GtkWidget *widget, GdkDragContext *context, + ScintillaGTK *sciThis); + static gboolean Drop(GtkWidget *widget, GdkDragContext *context, + gint x, gint y, guint time, ScintillaGTK *sciThis); + static void DragDataReceived(GtkWidget *widget, GdkDragContext *context, + gint x, gint y, GtkSelectionData *selection_data, guint info, guint time, + ScintillaGTK *sciThis); + static void DragDataGet(GtkWidget *widget, GdkDragContext *context, + GtkSelectionData *selection_data, guint info, guint time, ScintillaGTK *sciThis); + static gint TimeOut(ScintillaGTK *sciThis); + static void PopUpCB(ScintillaGTK *sciThis, guint action, GtkWidget *widget); + static gint ExposeCT(GtkWidget *widget, GdkEventExpose *ose, CallTip *ct); +}; + +enum { + COMMAND_SIGNAL, + NOTIFY_SIGNAL, + LAST_SIGNAL +}; + +static gint scintilla_signals[LAST_SIGNAL] = { 0 }; + +GdkAtom ScintillaGTK::clipboard_atom = GDK_NONE; + +enum { + TARGET_STRING, + TARGET_TEXT, + TARGET_COMPOUND_TEXT +}; + +ScintillaGTK::ScintillaGTK(_ScintillaObject *sci_) : + adjustmentv(0), adjustmenth(0), + pasteBuffer(0), pasteBufferIsRectangular(false), + capturedMouse(false), dragWasDropped(false) { + sci = sci_; + wMain = GTK_WIDGET(sci); + + Initialise(); +} + +ScintillaGTK::~ScintillaGTK() { +} + +gint ScintillaGTK::FocusIn(GtkWidget *widget, GdkEventFocus *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("ScintillaGTK::focus in %x\n", sciThis); + GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_FOCUS); + sciThis->NotifyFocus(true); + sciThis->ShowCaretAtCurrentPosition(); + return FALSE; +} + +gint ScintillaGTK::FocusOut(GtkWidget *widget, GdkEventFocus *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("ScintillaGTK::focus out %x\n", sciThis); + GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_FOCUS); + sciThis->NotifyFocus(false); + sciThis->DropCaret(); + return FALSE; +} + +void ScintillaGTK::Initialise() { + pasteBuffer = 0; + pasteBufferIsRectangular = false; + + GTK_WIDGET_SET_FLAGS(wMain.GetID(), GTK_CAN_FOCUS); + GTK_WIDGET_SET_FLAGS(GTK_WIDGET(wMain.GetID()), GTK_SENSITIVE); + gtk_signal_connect(GTK_OBJECT(wMain.GetID()), "size_allocate", + GTK_SIGNAL_FUNC(MoveResize), this); + gtk_widget_set_events (wMain.GetID(), + GDK_KEY_PRESS_MASK + | GDK_KEY_RELEASE_MASK + | GDK_FOCUS_CHANGE_MASK); + // Using "after" connect to avoid main window using cursor keys + // to move focus. + //gtk_signal_connect(GTK_OBJECT(wMain), "key_press_event", + // GtkSignalFunc(key_event), this); + gtk_signal_connect_after(GTK_OBJECT(wMain.GetID()), "key_press_event", + GtkSignalFunc(KeyPress), this); + + gtk_signal_connect(GTK_OBJECT(wMain.GetID()), "key_release_event", + GtkSignalFunc(KeyRelease), this); + gtk_signal_connect(GTK_OBJECT(wMain.GetID()), "focus_in_event", + GtkSignalFunc(FocusIn), this); + gtk_signal_connect(GTK_OBJECT(wMain.GetID()), "focus_out_event", + GtkSignalFunc(FocusOut), this); + gtk_signal_connect(GTK_OBJECT(wMain.GetID()), "destroy", + GtkSignalFunc(DestroyWindow), this); + + wDraw = gtk_drawing_area_new(); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "expose_event", + GtkSignalFunc(Expose), this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "motion_notify_event", + GtkSignalFunc(Motion), this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "button_press_event", + GtkSignalFunc(Press), this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "button_release_event", + GtkSignalFunc(MouseRelease), this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "selection_received", + GtkSignalFunc(SelectionReceived), this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), "selection_get", + GtkSignalFunc(SelectionGet), this); + + gtk_widget_set_events(wDraw.GetID(), + GDK_EXPOSURE_MASK + | GDK_LEAVE_NOTIFY_MASK + | GDK_BUTTON_PRESS_MASK + | GDK_BUTTON_RELEASE_MASK + | GDK_POINTER_MOTION_MASK + | GDK_POINTER_MOTION_HINT_MASK + ); + + gtk_drawing_area_size(GTK_DRAWING_AREA(wDraw.GetID()), 400, 400); + gtk_fixed_put(GTK_FIXED(sci), wDraw.GetID(), 0, 0); + + adjustmentv = gtk_adjustment_new(0.0, 0.0, 201.0, 1.0, 20.0, 20.0); + scrollbarv = gtk_vscrollbar_new(GTK_ADJUSTMENT(adjustmentv)); + GTK_WIDGET_UNSET_FLAGS(scrollbarv.GetID(), GTK_CAN_FOCUS); + gtk_signal_connect(GTK_OBJECT(adjustmentv), "value_changed", + GTK_SIGNAL_FUNC(ScrollSignal), this); + gtk_fixed_put(GTK_FIXED(sci), scrollbarv.GetID(), 0, 0); + + adjustmenth = gtk_adjustment_new(0.0, 0.0, 101.0, 1.0, 20.0, 20.0); + scrollbarh = gtk_hscrollbar_new(GTK_ADJUSTMENT(adjustmenth)); + GTK_WIDGET_UNSET_FLAGS(scrollbarh.GetID(), GTK_CAN_FOCUS); + gtk_signal_connect(GTK_OBJECT(adjustmenth), "value_changed", + GTK_SIGNAL_FUNC(ScrollHSignal), this); + gtk_fixed_put(GTK_FIXED(sci), scrollbarh.GetID(), 0, 0); + + gtk_widget_grab_focus(wMain.GetID()); + + static const GtkTargetEntry targets[] = { + { "STRING", 0, TARGET_STRING }, + { "TEXT", 0, TARGET_TEXT }, + { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }, + }; + static const gint n_targets = sizeof(targets) / sizeof(targets[0]); + + gtk_selection_add_targets(GTK_WIDGET(wDraw.GetID()), GDK_SELECTION_PRIMARY, + targets, n_targets); + + if (!clipboard_atom) + clipboard_atom = gdk_atom_intern("CLIPBOARD", FALSE); + + gtk_selection_add_targets(GTK_WIDGET(wDraw.GetID()), clipboard_atom, + targets, n_targets); + + gtk_drag_dest_set(GTK_WIDGET(wDraw.GetID()), + GTK_DEST_DEFAULT_ALL, targets, n_targets, + static_cast<GdkDragAction>(GDK_ACTION_COPY|GDK_ACTION_MOVE)); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_data_received", + GTK_SIGNAL_FUNC(DragDataReceived), + this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_motion", + GTK_SIGNAL_FUNC(DragMotion), + this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_leave", + GTK_SIGNAL_FUNC(DragLeave), + this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_end", + GTK_SIGNAL_FUNC(DragEnd), + this); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_drop", + GTK_SIGNAL_FUNC(Drop), + this); + // gtk_drag_source_set not used as it stops dragging over text to select it + //gtk_drag_source_set(GTK_WIDGET(wDraw.GetID()), + // static_cast<GdkModifierType>(GDK_BUTTON1_MASK|GDK_BUTTON3_MASK), + // targets, n_targets, + // GDK_ACTION_COPY); + gtk_signal_connect(GTK_OBJECT(wDraw.GetID()), + "drag_data_get", + GTK_SIGNAL_FUNC(DragDataGet), + this); + + SetTicking(true); +} + +void ScintillaGTK::Finalise() { + SetTicking(false); + ScintillaBase::Finalise(); +} + +void ScintillaGTK::StartDrag() { + dragWasDropped = false; + static const GtkTargetEntry targets[] = { + { "STRING", 0, TARGET_STRING }, + { "TEXT", 0, TARGET_TEXT }, + { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }, + }; + static const gint n_targets = sizeof(targets) / sizeof(targets[0]); + GtkTargetList *tl = gtk_target_list_new(targets, n_targets); + gtk_drag_begin(GTK_WIDGET(wDraw.GetID()), + tl, + static_cast<GdkDragAction>(GDK_ACTION_COPY|GDK_ACTION_MOVE), + evbtn.button, + reinterpret_cast<GdkEvent *>(&evbtn)); +} + +LRESULT ScintillaGTK::WndProc(UINT iMessage,WPARAM wParam,LPARAM lParam) { + switch (iMessage) { + + case SCI_GRABFOCUS: + gtk_widget_grab_focus(wMain.GetID()); + break; + + default: + return ScintillaBase::WndProc(iMessage,wParam,lParam); + } + return 0l; +} + +LRESULT ScintillaGTK::DefWndProc(UINT, WPARAM, LPARAM) { + return 0; +} + +void ScintillaGTK::SetTicking(bool on) { + if (timer.ticking != on) { + timer.ticking = on; + if (timer.ticking) { + timer.tickerID = gtk_timeout_add(timer.tickSize, TimeOut, this); + } else { + gtk_timeout_remove(timer.tickerID); + } + } + timer.ticksToWait = caret.period; +} + +void ScintillaGTK::SetMouseCapture(bool on) { + if (on) { + gtk_grab_add(GTK_WIDGET(wDraw.GetID())); + } else { + gtk_grab_remove(GTK_WIDGET(wDraw.GetID())); + } + capturedMouse = on; +} + +bool ScintillaGTK::HaveMouseCapture() { + return capturedMouse; +} + +// Redraw all of text area. This paint will not be abandoned. +void ScintillaGTK::FullPaint() { + paintState = painting; + rcPaint = GetTextRectangle(); + paintingAllText = true; + Surface sw; + sw.Init((wDraw.GetID())->window); + Paint(&sw, rcPaint); + sw.Release(); + paintState = notPainting; +} + +// Synchronously paint a rectangle of the window. +void ScintillaGTK::SyncPaint(PRectangle rc) { + paintState = painting; + rcPaint = rc; + PRectangle rcText = GetTextRectangle(); + paintingAllText = rcPaint.Contains(rcText); + Surface sw; + sw.Init((wDraw.GetID())->window); + Paint(&sw, rc); + sw.Release(); + if (paintState == paintAbandoned) { + // Painting area was insufficient to cover new styling or brace highlight positions + FullPaint(); + } + paintState = notPainting; +} + +void ScintillaGTK::ScrollText(int linesToMove) { + //Platform::DebugPrintf("ScintillaGTK::ScrollText %d\n", linesToMove); + PRectangle rc = GetClientRectangle(); + int diff = vs.lineHeight * -linesToMove; + WindowID wi = wDraw.GetID(); + GdkGC *gc = gdk_gc_new(wi->window); + + // Redraw exposed bit : scrolling upwards + if (diff > 0) { + gdk_draw_pixmap(wi->window, + gc, wi->window, + 0, diff, + 0, 0, + rc.Width(), rc.Height() - diff); + // RedrawRect(PRectangle(0,rc.Height() - diff - + // vs.lineHeight, rc.Width(), rc.Height())); + gdk_gc_unref(gc); + SyncPaint(PRectangle(0,rc.Height() - diff - + vs.lineHeight, rc.Width(), rc.Height())); + + // Redraw exposed bit : scrolling downwards + } else { + gdk_draw_pixmap(wi->window, + gc, wi->window, + 0, 0, + 0, -diff, + rc.Width(), rc.Height() - diff); + gdk_gc_unref(gc); + // RedrawRect(PRectangle(0,0,rc.Width(),-diff + vs.lineHeight)); + SyncPaint(PRectangle(0,0,rc.Width(),-diff + vs.lineHeight)); + } +} + + +void ScintillaGTK::SetVerticalScrollPos() { + gtk_adjustment_set_value(GTK_ADJUSTMENT(adjustmentv), topLine); +} + +void ScintillaGTK::SetHorizontalScrollPos() { + gtk_adjustment_set_value(GTK_ADJUSTMENT(adjustmenth), xOffset / 2); +} + +bool ScintillaGTK::ModifyScrollBars(int nMax, int nPage) { + bool modified = false; + int pageScroll = LinesToScroll(); + + if (GTK_ADJUSTMENT(adjustmentv)->upper != (nMax+1) || + GTK_ADJUSTMENT(adjustmentv)->page_size != nPage || + GTK_ADJUSTMENT(adjustmentv)->page_increment != pageScroll) { + GTK_ADJUSTMENT(adjustmentv)->upper = nMax + 1; + GTK_ADJUSTMENT(adjustmentv)->page_size = nPage; + GTK_ADJUSTMENT(adjustmentv)->page_increment = pageScroll; + gtk_adjustment_changed(GTK_ADJUSTMENT(adjustmentv)); + modified = true; + } + + if (GTK_ADJUSTMENT(adjustmenth)->upper != 2000 || + GTK_ADJUSTMENT(adjustmenth)->page_size != 200) { + GTK_ADJUSTMENT(adjustmenth)->upper = 2000; + GTK_ADJUSTMENT(adjustmenth)->page_size = 200; + gtk_adjustment_changed(GTK_ADJUSTMENT(adjustmenth)); + modified = true; + } + return modified; +} + +void ScintillaGTK::NotifyChange() { + gtk_signal_emit(GTK_OBJECT(sci), scintilla_signals[COMMAND_SIGNAL], + MAKELONG(ctrlID, EN_CHANGE), wMain.GetID()); +} + +void ScintillaGTK::NotifyFocus(bool focus) { + gtk_signal_emit(GTK_OBJECT(sci), scintilla_signals[COMMAND_SIGNAL], + MAKELONG(ctrlID, focus ? EN_SETFOCUS : EN_KILLFOCUS), wMain.GetID()); +} + +void ScintillaGTK::NotifyParent(SCNotification scn) { + scn.nmhdr.hwndFrom = wMain.GetID(); + scn.nmhdr.idFrom = ctrlID; + gtk_signal_emit(GTK_OBJECT(sci), scintilla_signals[NOTIFY_SIGNAL], + ctrlID, &scn); +} + +void ScintillaGTK::NotifyKey(int key, int modifiers) { + SCNotification scn; + scn.nmhdr.code = SCN_KEY; + scn.ch = key; + scn.modifiers = modifiers; + + NotifyParent(scn); +} + +int ScintillaGTK::KeyDefault(int key, int modifiers) { + if (!(modifiers & SCI_CTRL) && !(modifiers & SCI_ALT) && (key < 128)) { + AddChar(key); + } else { + // Pass up to container in case it is an accelerator + NotifyKey(key, modifiers); + } + //Platform::DebugPrintf("SK-key: %d %x %x\n",event->keyval, event->state, GTK_WIDGET_FLAGS(widget)); + return 1; +} + +void ScintillaGTK::Copy() { + if (currentPos != anchor) { + delete []pasteBuffer; + pasteBuffer = CopySelectionRange(); + pasteBufferIsRectangular = selType == selRectangle; + gtk_selection_owner_set(GTK_WIDGET(wDraw.GetID()), + clipboard_atom, + GDK_CURRENT_TIME); + } +} + +void ScintillaGTK::Paste() { + gtk_selection_convert(GTK_WIDGET(wDraw.GetID()), + clipboard_atom, + gdk_atom_intern("STRING", FALSE), GDK_CURRENT_TIME); +} + +void ScintillaGTK::CreateCallTipWindow(PRectangle rc) { + ct.wCallTip = gtk_window_new(GTK_WINDOW_POPUP); + ct.wDraw = gtk_drawing_area_new(); + gtk_container_add(GTK_CONTAINER(ct.wCallTip.GetID()), ct.wDraw.GetID()); + gtk_signal_connect(GTK_OBJECT(ct.wDraw.GetID()), "expose_event", + GtkSignalFunc(ScintillaGTK::ExposeCT), &ct); + gtk_widget_set_events(ct.wDraw.GetID(), GDK_EXPOSURE_MASK); + gtk_drawing_area_size(GTK_DRAWING_AREA(ct.wDraw.GetID()), + rc.Width(), rc.Height()); + ct.wDraw.Show(); +} + +void ScintillaGTK::AddToPopUp(const char *label, int cmd, bool enabled) { + char fulllabel[200]; + strcpy(fulllabel, "/"); + strcat(fulllabel, label); + GtkItemFactoryEntry itemEntry = { + fulllabel, NULL, + GTK_SIGNAL_FUNC(ScintillaGTK::PopUpCB), cmd, + const_cast<gchar *>(label[0] ? "<Item>" : "<Separator>") + }; + gtk_item_factory_create_item(GTK_ITEM_FACTORY(popup.GetID()), + &itemEntry, this, 1); + if (cmd) { + GtkWidget *item = gtk_item_factory_get_widget_by_action( + popup.GetID(), cmd); + if (item) + gtk_widget_set_sensitive(item, enabled); + } +} + +void ScintillaGTK::ClaimSelection() { + // X Windows has a 'primary selection' as well as the clipboard. + // Whenever the user selects some text, we become the primary selection + if (currentPos != anchor) { + gtk_selection_owner_set(GTK_WIDGET(wDraw.GetID()), + GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME); + } else if (gdk_selection_owner_get(GDK_SELECTION_PRIMARY) == + GTK_WIDGET(wDraw.GetID())->window) { + gtk_selection_owner_set(NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME); + } +} + +void ScintillaGTK::ReceivedSelection(GtkSelectionData *selection_data) { + if (selection_data->type == GDK_TARGET_STRING) { +//Platform::DebugPrintf("Received String Selection %x %d\n", selection_data->selection, selection_data->length); + if (((selection_data->selection == clipboard_atom)|| + (selection_data->selection == GDK_SELECTION_PRIMARY)) && + (selection_data->length > 0)) { + //if (selection_data->length > 0) { + char *ptr = reinterpret_cast<char *>(selection_data->data); + unsigned int len = selection_data->length; + for (unsigned int i=0; i<selection_data->length; i++) { + if ((len == selection_data->length) && (0 == ptr[i])) + len = i; + } + pdoc->BeginUndoAction(); + int selStart = SelectionStart(); + ClearSelection(); + // Check for "\n\0" ending to string indicating that selection is rectangular + bool isRectangular = ((selection_data->length > 1) && + (ptr[selection_data->length-1] == 0 && ptr[selection_data->length-2] == '\n')); + if (isRectangular) { + PasteRectangular(selStart, ptr, len); + } else { + pdoc->InsertString(currentPos, ptr, len); + SetEmptySelection(currentPos + len); + } + pdoc->EndUndoAction(); + } + } + Redraw(); +} + +void ScintillaGTK::ReceivedDrop(GtkSelectionData *selection_data) { + dragWasDropped = true; + if (selection_data->type == GDK_TARGET_STRING) { + if (selection_data->length > 0) { + char *ptr = reinterpret_cast<char *>(selection_data->data); + // 3rd argument is false because the deletion of the moved data is handle by GetSelection + bool isRectangular = ((selection_data->length > 1) && + (ptr[selection_data->length-1] == 0 && ptr[selection_data->length-2] == '\n')); + DropAt(posDrop, ptr, false, isRectangular); + } + } + Redraw(); +} + +void ScintillaGTK::GetSelection(GtkSelectionData *selection_data, guint info, char *text, bool isRectangular) { +//Platform::DebugPrintf("GetSelection %d\n", info); + char *selBuffer = text; + if (selection_data->selection == GDK_SELECTION_PRIMARY) { +//Platform::DebugPrintf("GetSelection PRIMARY\n"); + selBuffer = CopySelectionRange(); + } + + if (info == TARGET_STRING) { + int len = strlen(selBuffer); + // Here is a somewhat evil kludge. + // As I can not work out how to store data on the clipboard in multiple formats + // and need some way to mark the clipping as being stream or rectangular, + // the terminating \0 is included in the length for rectangular clippings. + // All other tested aplications behave benignly by ignoring the \0. + if (isRectangular) + len++; +//Platform::DebugPrintf("GetSelection STRING %d %s %d\n", selection_data->type, +//isRectangular ? "rect" : "stream", len); + gtk_selection_data_set(selection_data, GDK_SELECTION_TYPE_STRING, + 8, reinterpret_cast<unsigned char *>(selBuffer), + len); + } else if ((info == TARGET_TEXT) || (info == TARGET_COMPOUND_TEXT)) { +//Platform::DebugPrintf("GetSelection TEXT\n"); +//if (info == TARGET_COMPOUND_TEXT) +//Platform::DebugPrintf("GetSelection COMPOUND\n"); + guchar *text; + GdkAtom encoding; + gint format; + gint new_length; + + gdk_string_to_compound_text(reinterpret_cast<char *>(selBuffer), + &encoding, &format, &text, &new_length); + gtk_selection_data_set(selection_data, encoding, format, text, new_length); + gdk_free_compound_text(text); + } + +//Platform::DebugPrintf("GetSelection FREE\n"); + if (selection_data->selection == GDK_SELECTION_PRIMARY) { + delete []selBuffer; + } +//Platform::DebugPrintf("GetSelection END\n"); +} + +void ScintillaGTK::Resize(int width, int height) { + //Platform::DebugPrintf("Resize %d %d\n", width, height); + DropGraphics(); + GtkAllocation alloc; + + // Not always needed, but some themes can have different sizes of scrollbars + int scrollBarWidth = GTK_WIDGET(scrollbarv.GetID())->requisition.width; + int scrollBarHeight = GTK_WIDGET(scrollbarh.GetID())->requisition.height; + + // These allocations should never produce negative sizes as they would wrap around to huge + // unsigned numbers inside GTK+ causing warnings. + + alloc.x = 0; + alloc.y = 0; + alloc.width = Platform::Maximum(1, width - scrollBarWidth) + 1; + alloc.height = Platform::Maximum(1, height - scrollBarHeight) + 1; + gtk_widget_size_allocate(GTK_WIDGET(wDraw.GetID()), &alloc); + + alloc.x = 0; + alloc.y = height - scrollBarHeight + 1; + alloc.width = Platform::Maximum(1, width - scrollBarWidth) + 1; + alloc.height = scrollBarHeight; + gtk_widget_size_allocate(GTK_WIDGET(scrollbarh.GetID()), &alloc); + + alloc.x = width - scrollBarWidth + 1; + alloc.y = 0; + alloc.width = scrollBarWidth; + alloc.height = Platform::Maximum(1, height - scrollBarHeight) + 1; + gtk_widget_size_allocate(GTK_WIDGET(scrollbarv.GetID()), &alloc); + + SetScrollBars(); +} + +gint ScintillaGTK::MoveResize(GtkWidget *, GtkAllocation *allocation, ScintillaGTK *sciThis) { + // Platform::DebugPrintf("sci move resize %d %d\n", allocation->width, allocation->height); + sciThis->Resize(allocation->width, allocation->height); + return TRUE; +} + +gint ScintillaGTK::Press(GtkWidget *, GdkEventButton *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Press %x time=%d state = %x button = %x\n",sciThis,event->time, event->state, event->button); + sciThis->evbtn = *event; + Point pt; + pt.x = int(event->x); + pt.y = int(event->y); + gtk_widget_grab_focus(sciThis->wMain.GetID()); + if (event->button == 1) { + //sciThis->ButtonDown(pt, event->time, + // event->state & GDK_SHIFT_MASK, + // event->state & GDK_CONTROL_MASK, + // event->state & GDK_MOD1_MASK); + // Instead of sending literal modifiers use control instead of alt + // Ths s because all the window managers seem to grab alt + click for moving + sciThis->ButtonDown(pt, event->time, + event->state & GDK_SHIFT_MASK, + event->state & GDK_CONTROL_MASK, + event->state & GDK_CONTROL_MASK); + } else if (event->button == 2) { + // Grab the primary selection + gtk_selection_convert(GTK_WIDGET(sciThis->wDraw.GetID()), + GDK_SELECTION_PRIMARY, + gdk_atom_intern("STRING", FALSE), event->time); + } else if (event->button == 3) { + // PopUp menu + // Convert to screen + int ox = 0; + int oy = 0; + gdk_window_get_origin(sciThis->wDraw.GetID()->window, &ox, &oy); + sciThis->ContextMenu(Point(pt.x + ox, pt.y + oy)); + } + return TRUE; +} + +gint ScintillaGTK::MouseRelease(GtkWidget *, GdkEventButton *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Release %x %d %d\n",sciThis,event->time,event->state); + if (event->button == 1) { + Point pt; + pt.x = int(event->x); + pt.y = int(event->y); + //Platform::DebugPrintf("Up %x %x %d %d %d\n", + // sciThis,event->window,event->time, pt.x, pt.y); + if (event->window != sciThis->wDraw.GetID()->window) + // If mouse released on scroll bar then the position is relative to the + // scrollbar, not the drawing window so just repeat the most recent point. + pt = sciThis->ptMouseLast; + sciThis->ButtonUp(pt, event->time, event->state & 4); + } + return TRUE; +} + +gint ScintillaGTK::Motion(GtkWidget *, GdkEventMotion *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Move %x %d\n",sciThis,event->time); + int x = 0; + int y = 0; + GdkModifierType state; + if (event->is_hint) { + gdk_window_get_pointer(event->window, &x, &y, &state); + } else { + x = static_cast<int>(event->x); + y = static_cast<int>(event->y); + state = static_cast<GdkModifierType>(event->state); + } + //Platform::DebugPrintf("Move %x %x %d %c %d %d\n", + // sciThis,event->window,event->time,event->is_hint? 'h' :'.', x, y); + if (state & GDK_BUTTON1_MASK) { + Point pt; + pt.x = x; + pt.y = y; + sciThis->ButtonMove(pt); + } + return TRUE; +} + +// Map the keypad keys to their equivalent functions +static int KeyTranslate(int keyIn) { + switch (keyIn) { + case GDK_ISO_Left_Tab: return GDK_Tab; + case GDK_KP_Down: return GDK_Down; + case GDK_KP_Up: return GDK_Up; + case GDK_KP_Left: return GDK_Left; + case GDK_KP_Right: return GDK_Right; + case GDK_KP_Home: return GDK_Home; + case GDK_KP_End: return GDK_End; + case GDK_KP_Page_Up: return GDK_Page_Up; + case GDK_KP_Page_Down: return GDK_Page_Down; + case GDK_KP_Delete: return GDK_Delete; + case GDK_KP_Insert: return GDK_Insert; + case GDK_KP_Enter: return GDK_Return; + default: return keyIn; + } +} + +gint ScintillaGTK::KeyPress(GtkWidget *, GdkEventKey *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("SC-key: %d %x %x\n",event->keyval, event->state, GTK_WIDGET_FLAGS(widget)); + bool shift = event->state & GDK_SHIFT_MASK; + bool ctrl = event->state & GDK_CONTROL_MASK; + bool alt = event->state & GDK_MOD1_MASK; + int key = event->keyval; + if (ctrl && (key < 128)) + key = toupper(key); + else if (key >= GDK_KP_Multiply && key <= GDK_KP_9) + key &= 0x7F; + else + key = KeyTranslate(key); + + sciThis->KeyDown(key, shift, ctrl, alt); + //Platform::DebugPrintf("SK-key: %d %x %x\n",event->keyval, event->state, GTK_WIDGET_FLAGS(widget)); + return 1; +} + +gint ScintillaGTK::KeyRelease(GtkWidget *, GdkEventKey *event, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("SC-keyrel: %d %x %3s\n",event->keyval, event->state, event->string); + return TRUE; +} + +gint ScintillaGTK::DestroyWindow(GtkWidget *, ScintillaGTK *sciThis) { +//Platform::DebugPrintf("Destroying window %x %x\n", sciThis, widget); + sciThis->Finalise(); + delete sciThis; + return TRUE; +} + +gint ScintillaGTK::Expose(GtkWidget *, GdkEventExpose *ose, ScintillaGTK *sciThis) { + if (sciThis->firstExpose) { + sciThis->wDraw.SetCursor(Window::cursorText); + sciThis->firstExpose = false; + } + + sciThis->paintState = painting; + + sciThis->rcPaint.left = ose->area.x; + sciThis->rcPaint.top = ose->area.y; + sciThis->rcPaint.right = ose->area.x + ose->area.width; + sciThis->rcPaint.bottom = ose->area.y + ose->area.height; + + PRectangle rcText = sciThis->GetTextRectangle(); + sciThis->paintingAllText = sciThis->rcPaint.Contains(rcText); + Surface surfaceWindow; + surfaceWindow.Init((sciThis->wDraw.GetID())->window); + sciThis->Paint(&surfaceWindow, sciThis->rcPaint); + surfaceWindow.Release(); + if (sciThis->paintState == paintAbandoned) { + // Painting area was insufficient to cover new styling or brace highlight positions + sciThis->FullPaint(); + } + sciThis->paintState = notPainting; + + return TRUE; +} + +void ScintillaGTK::ScrollSignal(GtkAdjustment *adj, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Scrolly %g %x\n",adj->value,p); + sciThis->ScrollTo((int)adj->value); +} + +void ScintillaGTK::ScrollHSignal(GtkAdjustment *adj, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Scrollyh %g %x\n",adj->value,p); + sciThis->HorizontalScrollTo((int)adj->value * 2); +} + +void ScintillaGTK::SelectionReceived(GtkWidget *, + GtkSelectionData *selection_data, guint, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Selection received\n"); + sciThis->ReceivedSelection(selection_data); +} + +void ScintillaGTK::SelectionGet(GtkWidget *, + GtkSelectionData *selection_data, guint info, guint, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Selection get\n"); + sciThis->GetSelection(selection_data, info, sciThis->pasteBuffer, sciThis->pasteBufferIsRectangular); +} + +void ScintillaGTK::DragBegin(GtkWidget *, GdkDragContext *, + ScintillaGTK *) { + //Platform::DebugPrintf("DragBegin\n"); +} + +gboolean ScintillaGTK::DragMotion(GtkWidget *, GdkDragContext *context, + gint x, gint y, guint dragtime, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("DragMotion %d %d %x %x %x\n", x, y, + // context->actions, context->suggested_action, sciThis); + Point npt(x, y); + sciThis->inDragDrop = true; + sciThis->SetDragPosition(sciThis->PositionFromLocation(npt)); + gdk_drag_status(context, context->suggested_action, dragtime); + return TRUE; +} + +void ScintillaGTK::DragLeave(GtkWidget *, GdkDragContext *context, + guint, ScintillaGTK *sciThis) { + sciThis->SetDragPosition(invalidPosition); + //Platform::DebugPrintf("DragLeave %x\n", sciThis); +} + +void ScintillaGTK::DragEnd(GtkWidget *, GdkDragContext *context, + ScintillaGTK *sciThis) { + // If drag did not result in drop here or elsewhere + if (!sciThis->dragWasDropped) + sciThis->SetEmptySelection(sciThis->posDrag); + sciThis->SetDragPosition(invalidPosition); + //Platform::DebugPrintf("DragEnd %x %d\n", sciThis, sciThis->dragWasDropped); +} + +gboolean ScintillaGTK::Drop(GtkWidget *, GdkDragContext *context, + gint, gint, guint, ScintillaGTK *sciThis) { + //Platform::DebugPrintf("Drop %x\n", sciThis); + sciThis->SetDragPosition(invalidPosition); + return TRUE; +} + +void ScintillaGTK::DragDataReceived(GtkWidget *, GdkDragContext *context, + gint, gint, GtkSelectionData *selection_data, guint info, guint, + ScintillaGTK *sciThis) { + sciThis->ReceivedDrop(selection_data); + sciThis->SetDragPosition(invalidPosition); +} + +void ScintillaGTK::DragDataGet(GtkWidget *, GdkDragContext *context, + GtkSelectionData *selection_data, guint info, guint, ScintillaGTK *sciThis) { + sciThis->dragWasDropped = true; + if (sciThis->currentPos != sciThis->anchor) { + sciThis->GetSelection(selection_data, info, sciThis->dragChars, sciThis->dragIsRectangle); + } + if (context->action == GDK_ACTION_MOVE) { + int selStart = sciThis->SelectionStart(); + int selEnd = sciThis->SelectionEnd(); + if (sciThis->posDrop > selStart) { + if (sciThis->posDrop > selEnd) + sciThis->posDrop = sciThis->posDrop - (selEnd-selStart); + else + sciThis->posDrop = selStart; + sciThis->posDrop = sciThis->pdoc->ClampPositionIntoDocument(sciThis->posDrop); + } + sciThis->ClearSelection(); + } + sciThis->SetDragPosition(invalidPosition); +} + +int ScintillaGTK::TimeOut(ScintillaGTK *sciThis) { + sciThis->Tick(); + return 1; +} + +void ScintillaGTK::PopUpCB(ScintillaGTK *sciThis, guint action, GtkWidget *) { + if (action) { + sciThis->Command(action); + } +} + +gint ScintillaGTK::ExposeCT(GtkWidget *widget, GdkEventExpose *ose, CallTip *ctip) { + Surface surfaceWindow; + //surfaceWindow.Init((ct->wCallTip.GetID())->window); + surfaceWindow.Init(widget->window); + ctip->PaintCT(&surfaceWindow); + surfaceWindow.Release(); + return TRUE; +} + +long scintilla_send_message(ScintillaObject *sci, int iMessage, int wParam, int lParam) { + ScintillaGTK *psci = reinterpret_cast<ScintillaGTK *>(sci->pscin); + return psci->WndProc(iMessage, wParam, lParam); +} + +static void scintilla_class_init (ScintillaClass *klass); +static void scintilla_init (ScintillaObject *sci); + +guint scintilla_get_type() { + static guint scintilla_type = 0; + + if (!scintilla_type) { + GtkTypeInfo scintilla_info = { + "Scintilla", + sizeof (ScintillaObject), + sizeof (ScintillaClass), + (GtkClassInitFunc) scintilla_class_init, + (GtkObjectInitFunc) scintilla_init, + (GtkArgSetFunc) NULL, + (GtkArgGetFunc) NULL + }; + + scintilla_type = gtk_type_unique(gtk_fixed_get_type(), &scintilla_info); + } + + return scintilla_type; +} + +static void scintilla_class_init(ScintillaClass *klass) { + GtkObjectClass *object_class; + + object_class = (GtkObjectClass*) klass; + + scintilla_signals[COMMAND_SIGNAL] = gtk_signal_new( + "command", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET(ScintillaClass, command), + gtk_marshal_NONE__INT_POINTER, + GTK_TYPE_NONE, + 2, GTK_TYPE_INT, GTK_TYPE_POINTER); + + scintilla_signals[NOTIFY_SIGNAL] = gtk_signal_new( + "notify", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET(ScintillaClass, notify), + gtk_marshal_NONE__INT_POINTER, + GTK_TYPE_NONE, + 2, GTK_TYPE_INT, GTK_TYPE_POINTER); + + gtk_object_class_add_signals(object_class, + reinterpret_cast<unsigned int *>(scintilla_signals), LAST_SIGNAL); + + klass->command = NULL; + klass->notify = NULL; +} + +static void scintilla_init(ScintillaObject *sci) { + GTK_WIDGET_SET_FLAGS(sci, GTK_CAN_FOCUS); + sci->pscin = new ScintillaGTK(sci); +} + +GtkWidget* scintilla_new() { + return GTK_WIDGET(gtk_type_new(scintilla_get_type())); +} + +void scintilla_set_id(ScintillaObject *sci,int id) { + ScintillaGTK *psci = reinterpret_cast<ScintillaGTK *>(sci->pscin); + psci->ctrlID = id; +} diff --git a/include/Accessor.h b/include/Accessor.h new file mode 100644 index 000000000..1bba4af55 --- /dev/null +++ b/include/Accessor.h @@ -0,0 +1,76 @@ +// SciTE - Scintilla based Text Editor +// Accessor.h - rapid easy access to contents of a Scintilla +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +class Accessor { +protected: + // bufferSize is a trade off between time taken to copy the characters and SendMessage overhead + // slopSize positions the buffer before the desired position in case there is some backtracking + enum {bufferSize=4000, slopSize=bufferSize/8}; + char buf[bufferSize+1]; + WindowID id; + PropSet &props; + int startPos; + int endPos; + int lenDoc; + int offset; // Optional but including an offset makes GCC generate better code + void Fill(int position); +public: + Accessor(WindowID id_, PropSet &props_, int offset_=0) : + id(id_), props(props_), startPos(0x7FFFFFFF), endPos(0), + lenDoc(-1), offset(offset_) { + } + char operator[](int position) { + position += offset; + if (position < startPos || position >= endPos) { + Fill(position); + } + return buf[position - startPos]; + } + char SafeGetCharAt(int position, char chDefault=' ') { + // Safe version of operator[], returning a defined value for invalid position + position += offset; + if (position < startPos || position >= endPos) { + Fill(position); + if (position < startPos || position >= endPos) { + // Position is outside range of document + return chDefault; + } + } + return buf[position - startPos]; + } + char StyleAt(int position); + int GetLine(int position); + int LineStart(int line); + int LevelAt(int line); + int Length(); + void Flush() { + startPos = 0x7FFFFFFF; + lenDoc = -1; + } + int GetLineState(int line); + int SetLineState(int line, int state); + PropSet &GetPropSet() { return props; } +}; + +class StylingContext : public Accessor { + char styleBuf[bufferSize]; + int validLen; + char chFlags; + char chWhile; + unsigned int startSeg; +public: + StylingContext(WindowID id_, PropSet &props_, int offset_=0) : + Accessor(id_,props_,offset_), validLen(0), chFlags(0) {} + void StartAt(unsigned int start, char chMask=31); + void SetFlags(char chFlags_, char chWhile_) {chFlags = chFlags_; chWhile = chWhile_; }; + void ColourSegment(unsigned int start, unsigned int end, int chAttr); + unsigned int GetStartSegment() { return startSeg; } + void StartSegment(unsigned int pos); + void ColourTo(unsigned int pos, int chAttr); + int GetLine(int position); + void SetLevel(int line, int level); + void Flush(); +}; + diff --git a/include/KeyWords.h b/include/KeyWords.h new file mode 100644 index 000000000..2cc03b788 --- /dev/null +++ b/include/KeyWords.h @@ -0,0 +1,8 @@ +// SciTE - Scintilla based Text Editor +// KeyWords.h - colourise for particular languages +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +void ColouriseDoc(int codePage, int startPos, int lengthDoc, int initStyle, + int language, WordList *keywordlists[], StylingContext &styler); + diff --git a/include/Platform.h b/include/Platform.h new file mode 100644 index 000000000..b077e2e34 --- /dev/null +++ b/include/Platform.h @@ -0,0 +1,394 @@ +// Scintilla source code edit control +// Platform.h - interface to platform facilities +// Also includes some basic utilities +// Implemented in PlatGTK.cxx for GTK+/Linux, PlatWin.cxx for Windows, and PlatWX.cxx for wxWindows +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef PLATFORM_H +#define PLATFORM_H + +// PLAT_GTK = GTK+ on Linux, PLAT_WIN = Win32 API on Win32 OS +// PLAT_WX is wxWindows on any supported platform +// Could also have PLAT_GTKWIN = GTK+ on Win32 OS in future + +#define PLAT_GTK 0 +#define PLAT_WIN 0 +#define PLAT_WX 0 + +#if defined(__WX__) +#undef PLAT_WX +#define PLAT_WX 1 + +#elif defined(GTK) +#undef PLAT_GTK +#define PLAT_GTK 1 + +#else +#undef PLAT_WIN +#define PLAT_WIN 1 + +#endif + + +// Include the main header for each platform + +#if PLAT_GTK +#include <gtk/gtk.h> +#include <gdk/gdkkeysyms.h> +#endif + +#if PLAT_WIN +#define _WIN32_WINNT 0x0400 // Otherwise some required stuff gets ifdef'd out +// Vassili Bourdo: shut up annoying Visual C++ warnings: +#ifdef _MSC_VER +#pragma warning(disable: 4800 4244 4309) +#endif +#include <windows.h> +#include <richedit.h> +#endif + +#if PLAT_WX +#include <wx/wx.h> +#endif + +// Underlying the implementation of the platform classes are platform specific types. +// Sometimes these need to be passed around by client code so they are defined here + +#if PLAT_GTK +typedef GdkColor ColourID; +typedef GdkFont* FontID; +typedef GdkDrawable* SurfaceID; +typedef GtkWidget* WindowID; +typedef GtkItemFactory* MenuID; +#endif + +#if PLAT_WIN +typedef COLORREF ColourID; +typedef HFONT FontID; +typedef HDC SurfaceID; +typedef HWND WindowID; +typedef HMENU MenuID; +#endif + +#if PLAT_WX +typedef wxColour ColourID; +typedef wxFont* FontID; +typedef wxDC* SurfaceID; +typedef wxWindow* WindowID; +typedef wxMenu* MenuID; +#endif + +#if PLAT_GTK || PLAT_WX +#define SHIFT_PRESSED 1 +#define LEFT_CTRL_PRESSED 2 +#define LEFT_ALT_PRESSED 4 +#endif + +// Point is exactly the same as the Win32 POINT and GTK+ GdkPoint so can be used interchangeably + +class Point { +public: + int x; + int y; + + Point(int x_=0, int y_=0) : x(x_), y(y_) { + } + + // Other automatically defined methods (assignment, copy constructor, destructor) are fine + + static Point FromLong(long lpoint); +}; + +// PRectangle is exactly the same as the Win32 RECT so can be used interchangeably +// PRectangles contain their top and left sides, but not their right and bottom sides +class PRectangle { +public: + int left; + int top; + int right; + int bottom; + + PRectangle(int left_=0, int top_=0, int right_=0, int bottom_ = 0) : + left(left_), top(top_), right(right_), bottom(bottom_) { + } + + // Other automatically defined methods (assignment, copy constructor, destructor) are fine + + bool Contains(Point pt) { + return (pt.x >= left) && (pt.x <= right) && + (pt.y >= top) && (pt.y <= bottom); + } + bool Contains(PRectangle rc) { + return (rc.left >= left) && (rc.right <= right) && + (rc.top >= top) && (rc.bottom <= bottom); + } + bool Intersects(PRectangle other) { + return (right >= other.left) && (left <= other.right) && + (bottom >= other.top) && (top <= other.bottom); + } + int Width() { return right - left; } + int Height() { return bottom - top; } +}; + +#if PLAT_WX +wxRect wxRectFromPRectangle(PRectangle prc); +PRectangle PRectangleFromwxRect(wxRect rc); +#endif + +class Colour { + ColourID co; +public: + Colour(long lcol=0); + Colour(unsigned int red, unsigned int green, unsigned int blue); + bool operator==(const Colour &other) const; + long AsLong() const; + unsigned int GetRed(); + unsigned int GetGreen(); + unsigned int GetBlue(); + + friend class Surface; + friend class Palette; +}; + +// Colour pairs hold a desired colour and the colour that the graphics engine +// allocates to approximate the desired colour. +// To make palette management more automatic, ColourPairs could register at +// construction time with a palette management object. +struct ColourPair { + Colour desired; + Colour allocated; + + ColourPair(Colour desired_=Colour(0,0,0)) { + desired = desired_; + allocated = desired; + } +}; + +class Window; // Forward declaration for Palette + +class Palette { + int used; + enum {numEntries = 100}; + ColourPair entries[numEntries]; +#if PLAT_GTK + GdkColor *allocatedPalette; + int allocatedLen; +#elif PLAT_WIN + HPALETTE hpal; +#elif PLAT_WX + // wxPalette* pal; // **** Is this needed? +#endif +public: + bool allowRealization; + + Palette(); + ~Palette(); + + void Release(); + + // This method either adds a colour to the list of wanted colours (want==true) + // or retrieves the allocated colour back to the ColourPair. + // This is one method to make it easier to keep the code for wanting and retrieving in sync. + void WantFind(ColourPair &cp, bool want); + + void Allocate(Window &w); + + friend class Surface; +}; + +class Font { + FontID id; +#if PLAT_WX + int ascent; +#endif + // Private so Font objects can not be copied + Font(const Font &) {} + Font &operator=(const Font &) { id=0; return *this; } +public: + Font(); + ~Font(); + + void Create(const char *faceName, int size, bool bold=false, bool italic=false); + void Release(); + + FontID GetID() { return id; } + // Alias another font - caller guarantees not to Release + void SetID(FontID id_) { id = id_; } + friend class Surface; +}; + +// A surface abstracts a place to draw +class Surface { +private: +#if PLAT_GTK + GdkDrawable *drawable; + GdkGC *gc; + GdkPixmap *ppixmap; + int x; + int y; + bool inited; + bool createdGC; +#elif PLAT_WIN + HDC hdc; + bool hdcOwned; + HPEN pen; + HPEN penOld; + HBRUSH brush; + HBRUSH brushOld; + HFONT font; + HFONT fontOld; + HBITMAP bitmap; + HBITMAP bitmapOld; + HPALETTE paletteOld; +#elif PLAT_WX + wxDC* hdc; + bool hdcOwned; + wxBitmap* bitmap; + int x; + int y; +#endif + + // Private so Surface objects can not be copied + Surface(const Surface &) {} + Surface &operator=(const Surface &) { return *this; } +#if PLAT_WIN || PLAT_WX + void BrushColor(Colour back); + void SetFont(Font &font_); +#endif +public: + Surface(); + ~Surface(); + + void Init(); + void Init(SurfaceID hdc_); + void InitPixMap(int width, int height, Surface *surface_); + + void Release(); + bool Initialised(); + void PenColour(Colour fore); + int LogPixelsY(); + void MoveTo(int x_, int y_); + void LineTo(int x_, int y_); + void Polygon(Point *pts, int npts, Colour fore, Colour back); + void RectangleDraw(PRectangle rc, Colour fore, Colour back); + void FillRectangle(PRectangle rc, Colour back); + void FillRectangle(PRectangle rc, Surface &surfacePattern); + void RoundedRectangle(PRectangle rc, Colour fore, Colour back); + void Ellipse(PRectangle rc, Colour fore, Colour back); + void Copy(PRectangle rc, Point from, Surface &surfaceSource); + + void DrawText(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back); + void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, Colour fore, Colour back); + void MeasureWidths(Font &font_, const char *s, int len, int *positions); + int WidthText(Font &font_, const char *s, int len); + int WidthChar(Font &font_, char ch); + int Ascent(Font &font_); + int Descent(Font &font_); + int InternalLeading(Font &font_); + int ExternalLeading(Font &font_); + int Height(Font &font_); + int AverageCharWidth(Font &font_); + + int SetPalette(Palette *pal, bool inBackGround); + void SetClip(PRectangle rc); +}; + +// Class to hide the details of window manipulation +// Does not own the window which will normally have a longer life than this object +class Window { + friend class ListBox; +protected: + WindowID id; +public: + Window() : id(0) {} + virtual ~Window(); + Window &operator=(WindowID id_) { + id = id_; + return *this; + } + WindowID GetID() { return id; } + bool Created() { return id != 0; } + void Destroy(); + bool HasFocus(); + PRectangle GetPosition(); + void SetPosition(PRectangle rc); + void SetPositionRelative(PRectangle rc, Window relativeTo); + PRectangle GetClientPosition(); + void Show(bool show=true); + void InvalidateAll(); + void InvalidateRectangle(PRectangle rc); + void SetFont(Font &font); + enum Cursor { cursorText, cursorArrow, cursorUp, cursorWait, cursorHoriz, cursorVert, cursorReverseArrow }; + void SetCursor(Cursor curs); + void SetTitle(const char *s); +#if PLAT_WIN + LRESULT SendMessage(UINT msg, WPARAM wParam=0, LPARAM lParam=0); + int GetDlgCtrlID(); + HINSTANCE GetInstance(); +#endif +}; + +class ListBox : public Window { +#if PLAT_GTK + WindowID list; + WindowID scroller; + int current; +#endif +public: + ListBox(); + virtual ~ListBox(); + ListBox &operator=(WindowID id_) { + id = id_; + return *this; + } + void Create(Window &parent, int ctrlID); + void Clear(); + void Append(char *s); + int Length(); + void Select(int n); + int GetSelection(); + int Find(const char *prefix); + void GetValue(int n, char *value, int len); + void Sort(); +}; + +class Menu { + MenuID id; +public: + Menu(); + MenuID GetID() { return id; } + void CreatePopUp(); + void Destroy(); + void Show(Point pt, Window &w); +}; + +// Platform class used to retrieve system wide parameters such as double click speed +// and chrome colour. Not a creatable object, more of a module with several functions. +class Platform { + // Private so Platform objects can not be copied + Platform(const Platform &) {} + Platform &operator=(const Platform &) { return *this; } +public: + // Should be private because no new Platforms are ever created + // but gcc warns about this + Platform() {} + ~Platform() {} + static Colour Chrome(); + static Colour ChromeHighlight(); + static const char *DefaultFont(); + static int DefaultFontSize(); + static unsigned int DoubleClickTime(); + static void DebugDisplay(const char *s); + static bool IsKeyDown(int key); + static long SendScintilla( + WindowID w, unsigned int msg, unsigned long wParam=0, long lParam=0); + + // These are utility functions not really tied to a platform + static int Minimum(int a, int b); + static int Maximum(int a, int b); + static void DebugPrintf(const char *format, ...); + static int Clamp(int val, int minVal, int maxVal); +}; + +#endif diff --git a/include/PropSet.h b/include/PropSet.h new file mode 100644 index 000000000..31da01f95 --- /dev/null +++ b/include/PropSet.h @@ -0,0 +1,180 @@ +// SciTE - Scintilla based Text Editor +// PropSet.h - a java style properties file module +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef PROPSET_H +#define PROPSET_H + +bool EqualCaseInsensitive(const char *a, const char *b); + +// Define another string class. +// While it would be 'better' to use std::string, that doubles the executable size. + +inline char *StringDup(const char *s) { + if (!s) + return 0; + char *sNew = new char[strlen(s) + 1]; + if (sNew) + strcpy(sNew, s); + return sNew; +} + +class SString { + char *s; +public: + SString() { + s = 0; + } + SString(const SString &source) { + s = StringDup(source.s); + } + SString(const char *s_) { + s = StringDup(s_); + } + SString(int i) { + char number[100]; + sprintf(number, "%0d", i); + //itoa(i, number, 10); + s = StringDup(number); + } + ~SString() { + delete []s; + s = 0; + } + SString &operator=(const SString &source) { + if (this != &source) { + delete []s; + s = StringDup(source.s); + } + return *this; + } + bool operator==(const SString &other) const { + if ((s == 0) && (other.s == 0)) + return true; + if ((s == 0) || (other.s == 0)) + return false; + return strcmp(s, other.s) == 0; + } + bool operator==(const char *sother) const { + if ((s == 0) && (sother == 0)) + return true; + if ((s == 0) || (sother == 0)) + return false; + return strcmp(s, sother) == 0; + } + const char *c_str() const { + if (s) + return s; + else + return ""; + } + int length() const { + if (s) + return strlen(s); + else + return 0; + } + char operator[](int i) { + if (s) + return s[i]; + else + return '\0'; + } + SString &operator +=(const char *sother) { + int len = length(); + int lenOther = strlen(sother); + char *sNew = new char[len + lenOther + 1]; + if (sNew) { + if (s) + memcpy(sNew, s, len); + memcpy(sNew + len, sother, lenOther); + sNew[len + lenOther] = '\0'; + delete []s; + s = sNew; + } + return *this; + } + int value() { + if (s) + return atoi(s); + else + return 0; + } +}; + +class PropSet { +private: + char **vals; + int size; + int used; +public: + PropSet *superPS; + PropSet(); + ~PropSet(); + void EnsureCanAddEntry(); + void Set(const char *key, const char *val); + void Set(char *keyval); + SString Get(const char *key); + int GetInt(const char *key, int defaultValue=0); + SString GetWild(const char *keybase, const char *filename); + SString GetNewExpand(const char *keybase, const char *filename); + void Clear(); + void ReadFromMemory(const char *data, int len); + void Read(const char *filename); +}; + +// This is a fixed length list of strings suitable for display in combo boxes +// as a memory of user entries +template<int sz> +class EntryMemory { + SString entries[sz]; +public: + void Insert(SString s) { + for (int i=0;i<sz;i++) { + if (entries[i] == s) { + for (int j=i;j>0;j--) { + entries[j] = entries[j-1]; + } + entries[0] = s; + return; + } + } + for (int k=sz-1;k>0;k--) { + entries[k] = entries[k-1]; + } + entries[0] = s; + } + int Length() const { + int len = 0; + for (int i=0;i<sz;i++) + if (entries[i].length()) + len++; + return len; + } + SString At(int n) const { + return entries[n]; + } +}; + +class WordList { +public: + // Each word contains at least one character - a empty word acts as sentinal at the end. + char **words; + char *list; + int len; + bool onlyLineEnds; // Delimited by any white space or only line ends + int starts[256]; + WordList(bool onlyLineEnds_ = false) : + words(0), list(0), len(0), onlyLineEnds(onlyLineEnds_) {} + ~WordList() { Clear(); } + operator bool() { return list; } + const char *operator[](int ind) { return words[ind]; } + void Clear(); + void Set(const char *s); + char *Allocate(int size); + void SetFromAllocated(); + bool InList(const char *s); +}; + +#endif diff --git a/include/SciLexer.h b/include/SciLexer.h new file mode 100644 index 000000000..f3f97b7ae --- /dev/null +++ b/include/SciLexer.h @@ -0,0 +1,172 @@ +// Scintilla source code edit control +// SciLexer - interface to the added lexer functions in the SciLexer version of the edit control +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef SCILEXER_H +#define SCILEXER_H + +// SciLexer features - not in standard Scintilla + +#define SCLEX_CONTAINER 0 +#define SCLEX_NULL 1 +#define SCLEX_PYTHON 2 +#define SCLEX_CPP 3 +#define SCLEX_HTML 4 +#define SCLEX_XML 5 +#define SCLEX_PERL 6 +#define SCLEX_SQL 7 +#define SCLEX_VB 8 +#define SCLEX_PROPERTIES 9 +#define SCLEX_ERRORLIST 10 +#define SCLEX_MAKEFILE 11 +#define SCLEX_BATCH 12 + +// Lexical states for SCLEX_PYTHON +#define SCE_P_DEFAULT 0 +#define SCE_P_COMMENTLINE 1 +#define SCE_P_NUMBER 2 +#define SCE_P_STRING 3 +#define SCE_P_CHARACTER 4 +#define SCE_P_WORD 5 +#define SCE_P_TRIPLE 6 +#define SCE_P_TRIPLEDOUBLE 7 +#define SCE_P_CLASSNAME 8 +#define SCE_P_DEFNAME 9 +#define SCE_P_OPERATOR 10 +#define SCE_P_IDENTIFIER 11 +#define SCE_P_COMMENTBLOCK 12 +#define SCE_P_STRINGEOL 13 + +// Lexical states for SCLEX_CPP, SCLEX_VB +#define SCE_C_DEFAULT 0 +#define SCE_C_COMMENT 1 +#define SCE_C_COMMENTLINE 2 +#define SCE_C_COMMENTDOC 3 +#define SCE_C_NUMBER 4 +#define SCE_C_WORD 5 +#define SCE_C_STRING 6 +#define SCE_C_CHARACTER 7 +#define SCE_C_PUNTUATION 8 +#define SCE_C_PREPROCESSOR 9 +#define SCE_C_OPERATOR 10 +#define SCE_C_IDENTIFIER 11 +#define SCE_C_STRINGEOL 12 + +// Lexical states for SCLEX_HTML, SCLEX_xML +#define SCE_H_DEFAULT 0 +#define SCE_H_TAG 1 +#define SCE_H_TAGUNKNOWN 2 +#define SCE_H_ATTRIBUTE 3 +#define SCE_H_ATTRIBUTEUNKNOWN 4 +#define SCE_H_NUMBER 5 +#define SCE_H_DOUBLESTRING 6 +#define SCE_H_SINGLESTRING 7 +#define SCE_H_OTHER 8 +#define SCE_H_COMMENT 9 +#define SCE_H_ENTITY 10 +// XML and ASP +#define SCE_H_TAGEND 11 +#define SCE_H_XMLSTART 12 +#define SCE_H_XMLEND 13 +#define SCE_H_SCRIPT 14 +#define SCE_H_ASP 15 +#define SCE_H_ASPAT 16 +// Embedded Javascript +#define SCE_HJ_START 40 +#define SCE_HJ_DEFAULT 41 +#define SCE_HJ_COMMENT 42 +#define SCE_HJ_COMMENTLINE 43 +#define SCE_HJ_COMMENTDOC 44 +#define SCE_HJ_NUMBER 45 +#define SCE_HJ_WORD 46 +#define SCE_HJ_KEYWORD 47 +#define SCE_HJ_DOUBLESTRING 48 +#define SCE_HJ_SINGLESTRING 49 +#define SCE_HJ_SYMBOLS 50 +#define SCE_HJ_STRINGEOL 51 +// ASP Javascript +#define SCE_HJA_START 55 +#define SCE_HJA_DEFAULT 56 +#define SCE_HJA_COMMENT 57 +#define SCE_HJA_COMMENTLINE 58 +#define SCE_HJA_COMMENTDOC 59 +#define SCE_HJA_NUMBER 60 +#define SCE_HJA_WORD 61 +#define SCE_HJA_KEYWORD 62 +#define SCE_HJA_DOUBLESTRING 63 +#define SCE_HJA_SINGLESTRING 64 +#define SCE_HJA_SYMBOLS 65 +#define SCE_HJA_STRINGEOL 66 +// Embedded VBScript +#define SCE_HB_START 70 +#define SCE_HB_DEFAULT 71 +#define SCE_HB_COMMENTLINE 72 +#define SCE_HB_NUMBER 73 +#define SCE_HB_WORD 74 +#define SCE_HB_STRING 75 +#define SCE_HB_IDENTIFIER 76 +#define SCE_HB_STRINGEOL 77 +// ASP VBScript +#define SCE_HBA_START 80 +#define SCE_HBA_DEFAULT 81 +#define SCE_HBA_COMMENTLINE 82 +#define SCE_HBA_NUMBER 83 +#define SCE_HBA_WORD 84 +#define SCE_HBA_STRING 85 +#define SCE_HBA_IDENTIFIER 86 +#define SCE_HBA_STRINGEOL 87 +// Embedded Python +#define SCE_HP_START 90 +#define SCE_HP_DEFAULT 91 +#define SCE_HP_COMMENTLINE 92 +#define SCE_HP_NUMBER 93 +#define SCE_HP_STRING 94 +#define SCE_HP_CHARACTER 95 +#define SCE_HP_WORD 96 +#define SCE_HP_TRIPLE 97 +#define SCE_HP_TRIPLEDOUBLE 98 +#define SCE_HP_CLASSNAME 99 +#define SCE_HP_DEFNAME 100 +#define SCE_HP_OPERATOR 101 +#define SCE_HP_IDENTIFIER 102 +// ASP Python +#define SCE_HPA_START 105 +#define SCE_HPA_DEFAULT 106 +#define SCE_HPA_COMMENTLINE 107 +#define SCE_HPA_NUMBER 108 +#define SCE_HPA_STRING 109 +#define SCE_HPA_CHARACTER 110 +#define SCE_HPA_WORD 111 +#define SCE_HPA_TRIPLE 112 +#define SCE_HPA_TRIPLEDOUBLE 113 +#define SCE_HPA_CLASSNAME 114 +#define SCE_HPA_DEFNAME 115 +#define SCE_HPA_OPERATOR 116 +#define SCE_HPA_IDENTIFIER 117 + +// Lexical states for SCLEX_PERL +#define SCE_PL_DEFAULT 0 +#define SCE_PL_HERE 1 +#define SCE_PL_COMMENTLINE 2 +#define SCE_PL_POD 3 +#define SCE_PL_NUMBER 4 +#define SCE_PL_WORD 5 +#define SCE_PL_STRING 6 +#define SCE_PL_CHARACTER 7 +#define SCE_PL_PUNCTUATION 8 +#define SCE_PL_PREPROCESSOR 9 +#define SCE_PL_OPERATOR 10 +#define SCE_PL_IDENTIFIER 11 +#define SCE_PL_SCALAR 12 +#define SCE_PL_ARRAY 13 +#define SCE_PL_HASH 14 +#define SCE_PL_SYMBOLTABLE 15 +#define SCE_PL_REF 16 +#define SCE_PL_REGEX 17 +#define SCE_PL_REGSUBST 18 +#define SCE_PL_LONGQUOTE 19 +#define SCE_PL_BACKTICKS 20 +#define SCE_PL_DATASECTION 21 + +#endif diff --git a/include/Scintilla.h b/include/Scintilla.h new file mode 100644 index 000000000..35b5ad2e2 --- /dev/null +++ b/include/Scintilla.h @@ -0,0 +1,415 @@ +// Scintilla source code edit control +// Scintilla.h - interface to the edit control +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef SCINTILLA_H +#define SCINTILLA_H + +// Compile-time configuration options +#define MACRO_SUPPORT 1 // Comment out to remove macro hooks + +#if PLAT_GTK +#include <gdk/gdk.h> +#include <gtk/gtkvbox.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define SCINTILLA(obj) GTK_CHECK_CAST (obj, scintilla_get_type (), ScintillaObject) +#define SCINTILLA_CLASS(klass) GTK_CHECK_CLASS_CAS T (klass, scintilla_get_type (), ScintillaClass) +#define IS_SCINTILLA(obj) GTK_CHECK_TYPE (obj, scintilla_get_type ()) + + typedef struct _ScintillaObject ScintillaObject; + typedef struct _ScintillaClass ScintillaClass; + + struct _ScintillaObject + { + GtkFixed vbox; + void *pscin; + }; + + struct _ScintillaClass + { + GtkFixedClass parent_class; + + void (* command) (ScintillaObject *ttt); + void (* notify) (ScintillaObject *ttt); + }; + + guint scintilla_get_type (void); + GtkWidget* scintilla_new (void); + void scintilla_set_id (ScintillaObject *sci,int id); + long scintilla_send_message (ScintillaObject *sci,int iMessage,int wParam,int lParam); + +#include "WinDefs.h" + +#ifdef __cplusplus +} +#endif + +#endif + +#if PLAT_WX +#include "WinDefs.h" +#endif + +// Both GTK and Windows + +#define INVALID_POSITION -1 + +// Define start of Scintilla messages to be greater than all edit (EM_*) messages +// as many EM_ messages can be used. +#define SCI_START 2000 +#define SCI_OPTIONAL_START 3000 +#define SCI_LEXER_START 4000 + +#define SCI_ADDTEXT SCI_START + 1 +#define SCI_ADDSTYLEDTEXT SCI_START + 2 +#define SCI_INSERTTEXT SCI_START + 3 +#define SCI_CLEARALL SCI_START + 4 +#define SCI_GETLENGTH SCI_START + 6 +#define SCI_GETCHARAT SCI_START + 7 +#define SCI_GETCURRENTPOS SCI_START + 8 +#define SCI_GETANCHOR SCI_START + 9 +#define SCI_GETSTYLEAT SCI_START + 10 + +#define SCI_REDO SCI_START + 11 +#define SCI_SETUNDOCOLLECTION SCI_START + 12 +#define SCI_SELECTALL SCI_START + 13 +#define SCI_SETSAVEPOINT SCI_START + 14 +#define SCI_GETSTYLEDTEXT SCI_START + 15 +#define SCI_CANREDO SCI_START + 16 +#define SCI_MARKERLINEFROMHANDLE SCI_START + 17 +#define SCI_MARKERDELETEHANDLE SCI_START + 18 + +#define SC_UNDOCOLLECT_NONE 0 +#define SC_UNDOCOLLECT_AUTOSTART 1 + +#define SCI_GETVIEWWS SCI_START + 20 +#define SCI_SETVIEWWS SCI_START + 21 +#define SCI_CHANGEPOSITION SCI_START + 22 +#define SCI_GOTOLINE SCI_START + 24 +#define SCI_GOTOPOS SCI_START + 25 +#define SCI_SETANCHOR SCI_START + 26 +#define SCI_GETCURLINE SCI_START + 27 +#define SCI_GETENDSTYLED SCI_START + 28 +#define SCI_CONVERTEOLS SCI_START + 29 + +#define SCI_GETEOLMODE SCI_START + 30 +#define SCI_SETEOLMODE SCI_START + 31 + +#define SC_EOL_CRLF 0 +#define SC_EOL_CR 1 +#define SC_EOL_LF 2 + +#define SCI_STARTSTYLING SCI_START + 32 +#define SCI_SETSTYLING SCI_START + 33 + +#define SCI_SETBUFFEREDDRAW SCI_START + 35 +#define SCI_SETTABWIDTH SCI_START + 36 +#define SCI_SETCODEPAGE SCI_START + 37 +#define SCI_SETUSEPALETTE SCI_START + 39 + +#define MARKER_MAX 31 + +#define SC_MARK_CIRCLE 0 +#define SC_MARK_ROUNDRECT 1 +#define SC_MARK_ARROW 2 +#define SC_MARK_SMALLRECT 3 +#define SC_MARK_SHORTARROW 4 +#define SC_MARK_EMPTY 5 +#define SC_MARK_ARROWDOWN 6 +#define SC_MARK_MINUS 7 +#define SC_MARK_PLUS 8 + +#define SCI_MARKERDEFINE SCI_START + 40 +#define SCI_MARKERSETFORE SCI_START + 41 +#define SCI_MARKERSETBACK SCI_START + 42 +#define SCI_MARKERADD SCI_START + 43 +#define SCI_MARKERDELETE SCI_START + 44 +#define SCI_MARKERDELETEALL SCI_START + 45 +#define SCI_MARKERGET SCI_START + 46 +#define SCI_MARKERNEXT SCI_START + 47 +#define SCI_MARKERPREVIOUS SCI_START + 48 + +#define SC_MARKNUM_FOLDER 30 +#define SC_MARKNUM_FOLDEROPEN 31 + +#define SC_MASK_FOLDERS ((1<<SC_MARKNUM_FOLDER) | (1<<SC_MARKNUM_FOLDEROPEN)) + +#define SC_MARGIN_SYMBOL 0 +#define SC_MARGIN_NUMBER 1 + +#define SCI_SETMARGINTYPEN SCI_START + 240 +#define SCI_GETMARGINTYPEN SCI_START + 241 +#define SCI_SETMARGINWIDTHN SCI_START + 242 +#define SCI_GETMARGINWIDTHN SCI_START + 243 +#define SCI_SETMARGINMASKN SCI_START + 244 +#define SCI_GETMARGINMASKN SCI_START + 245 +#define SCI_SETMARGINSENSITIVEN SCI_START + 246 +#define SCI_GETMARGINSENSITIVEN SCI_START + 247 + +#define STYLE_DEFAULT 32 +#define STYLE_LINENUMBER 33 +#define STYLE_BRACELIGHT 34 +#define STYLE_BRACEBAD 35 +#define STYLE_CONTROLCHAR 36 +#define STYLE_MAX 127 + +#define SCI_STYLECLEARALL SCI_START + 50 +#define SCI_STYLESETFORE SCI_START + 51 +#define SCI_STYLESETBACK SCI_START + 52 +#define SCI_STYLESETBOLD SCI_START + 53 +#define SCI_STYLESETITALIC SCI_START + 54 +#define SCI_STYLESETSIZE SCI_START + 55 +#define SCI_STYLESETFONT SCI_START + 56 +#define SCI_STYLESETEOLFILLED SCI_START + 57 +#define SCI_STYLERESETDEFAULT SCI_START + 58 + +#define SCI_SETSELFORE SCI_START + 67 +#define SCI_SETSELBACK SCI_START + 68 +#define SCI_SETCARETFORE SCI_START + 69 + +#define SCI_ASSIGNCMDKEY SCI_START + 70 +#define SCI_CLEARCMDKEY SCI_START + 71 +#define SCI_CLEARALLCMDKEYS SCI_START + 72 + +#define SCI_SETSTYLINGEX SCI_START + 73 + +#define SCI_GETCARETPERIOD SCI_START + 75 +#define SCI_SETCARETPERIOD SCI_START + 76 +#define SCI_SETWORDCHARS SCI_START + 77 + +#define SCI_BEGINUNDOACTION SCI_START + 78 +#define SCI_ENDUNDOACTION SCI_START + 79 + +#define INDIC_MAX 7 + +#define INDIC_PLAIN 0 +#define INDIC_SQUIGGLE 1 +#define INDIC_TT 2 + +#define INDIC0_MASK 32 +#define INDIC1_MASK 64 +#define INDIC2_MASK 128 +#define INDICS_MASK (INDIC0_MASK | INDIC1_MASK | INDIC2_MASK) + +#define SCI_INDICSETSTYLE SCI_START + 80 +#define SCI_INDICGETSTYLE SCI_START + 81 +#define SCI_INDICSETFORE SCI_START + 82 +#define SCI_INDICGETFORE SCI_START + 83 + +#define SCI_SETSTYLEBITS SCI_START + 90 +#define SCI_GETSTYLEBITS SCI_START + 91 +#define SCI_SETLINESTATE SCI_START + 92 +#define SCI_GETLINESTATE SCI_START + 93 +#define SCI_GETMAXLINESTATE SCI_START + 94 + +#define SCI_AUTOCSHOW SCI_START + 100 +#define SCI_AUTOCCANCEL SCI_START + 101 +#define SCI_AUTOCACTIVE SCI_START + 102 +#define SCI_AUTOCPOSSTART SCI_START + 103 +#define SCI_AUTOCCOMPLETE SCI_START + 104 +#define SCI_AUTOCSTOPS SCI_START + 105 + +#define SCI_CALLTIPSHOW SCI_START + 200 +#define SCI_CALLTIPCANCEL SCI_START + 201 +#define SCI_CALLTIPACTIVE SCI_START + 202 +#define SCI_CALLTIPPOSSTART SCI_START + 203 +#define SCI_CALLTIPSETHLT SCI_START + 204 +#define SCI_CALLTIPSETBACK SCI_START + 205 + +#define SC_FOLDLEVELBASE 0x400 +#define SC_FOLDLEVELWHITEFLAG 0x1000 +#define SC_FOLDLEVELHEADERFLAG 0x2000 +#define SC_FOLDLEVELNUMBERMASK 0x0FFF + +#define SCI_VISIBLEFROMDOCLINE SCI_START + 220 +#define SCI_DOCLINEFROMVISIBLE SCI_START + 221 +#define SCI_SETFOLDLEVEL SCI_START + 222 +#define SCI_GETFOLDLEVEL SCI_START + 223 +#define SCI_GETLASTCHILD SCI_START + 224 +#define SCI_GETFOLDPARENT SCI_START + 225 +#define SCI_SHOWLINES SCI_START + 226 +#define SCI_HIDELINES SCI_START + 227 +#define SCI_GETLINEVISIBLE SCI_START + 228 +#define SCI_SETFOLDEXPANDED SCI_START + 229 +#define SCI_GETFOLDEXPANDED SCI_START + 230 +#define SCI_TOGGLEFOLD SCI_START + 231 +#define SCI_ENSUREVISIBLE SCI_START + 232 +#define SCI_SETFOLDFLAGS SCI_START + 233 + +// Key messages +#define SCI_LINEDOWN SCI_START + 300 +#define SCI_LINEDOWNEXTEND SCI_START + 301 +#define SCI_LINEUP SCI_START + 302 +#define SCI_LINEUPEXTEND SCI_START + 303 +#define SCI_CHARLEFT SCI_START + 304 +#define SCI_CHARLEFTEXTEND SCI_START + 305 +#define SCI_CHARRIGHT SCI_START + 306 +#define SCI_CHARRIGHTEXTEND SCI_START + 307 +#define SCI_WORDLEFT SCI_START + 308 +#define SCI_WORDLEFTEXTEND SCI_START + 309 +#define SCI_WORDRIGHT SCI_START + 310 +#define SCI_WORDRIGHTEXTEND SCI_START + 311 +#define SCI_HOME SCI_START + 312 +#define SCI_HOMEEXTEND SCI_START + 313 +#define SCI_LINEEND SCI_START + 314 +#define SCI_LINEENDEXTEND SCI_START + 315 +#define SCI_DOCUMENTSTART SCI_START + 316 +#define SCI_DOCUMENTSTARTEXTEND SCI_START + 317 +#define SCI_DOCUMENTEND SCI_START + 318 +#define SCI_DOCUMENTENDEXTEND SCI_START + 319 +#define SCI_PAGEUP SCI_START + 320 +#define SCI_PAGEUPEXTEND SCI_START + 321 +#define SCI_PAGEDOWN SCI_START + 322 +#define SCI_PAGEDOWNEXTEND SCI_START + 323 +#define SCI_EDITTOGGLEOVERTYPE SCI_START + 324 +#define SCI_CANCEL SCI_START + 325 +#define SCI_DELETEBACK SCI_START + 326 +#define SCI_TAB SCI_START + 327 +#define SCI_BACKTAB SCI_START + 328 +#define SCI_NEWLINE SCI_START + 329 +#define SCI_FORMFEED SCI_START + 330 +#define SCI_VCHOME SCI_START + 331 +#define SCI_VCHOMEEXTEND SCI_START + 332 +#define SCI_ZOOMIN SCI_START + 333 +#define SCI_ZOOMOUT SCI_START + 334 +#define SCI_DELWORDLEFT SCI_START + 335 +#define SCI_DELWORDRIGHT SCI_START + 336 + +#define SCI_LINELENGTH SCI_START + 350 +#define SCI_BRACEHIGHLIGHT SCI_START + 351 +#define SCI_BRACEBADLIGHT SCI_START + 352 +#define SCI_BRACEMATCH SCI_START + 353 +#define SCI_GETVIEWEOL SCI_START + 355 +#define SCI_SETVIEWEOL SCI_START + 356 +#define SCI_GETDOCPOINTER SCI_START + 357 +#define SCI_SETDOCPOINTER SCI_START + 358 +#define SCI_SETMODEVENTMASK SCI_START + 359 + +#define EDGE_NONE 0 +#define EDGE_LINE 1 +#define EDGE_BACKGROUND 2 + +#define SCI_GETEDGECOLUMN SCI_START + 360 +#define SCI_SETEDGECOLUMN SCI_START + 361 +#define SCI_GETEDGEMODE SCI_START + 362 +#define SCI_SETEDGEMODE SCI_START + 363 +#define SCI_GETEDGECOLOUR SCI_START + 364 +#define SCI_SETEDGECOLOUR SCI_START + 365 + +#define SCI_SEARCHANCHOR SCI_START + 366 +#define SCI_SEARCHNEXT SCI_START + 367 +#define SCI_SEARCHPREV SCI_START + 368 + +#define CARET_SLOP 0x01 // Show caret within N lines of edge when it's scrolled to view +#define CARET_CENTER 0x02 // Center caret on screen when it's scrolled to view +#define CARET_STRICT 0x04 // OR this with CARET_CENTER to reposition even when visible, or + // OR this with CARET_SLOP to reposition whenever outside slop border + +#define SCI_SETCARETPOLICY SCI_START + 369 + +// GTK+ Specific +#define SCI_GRABFOCUS SCI_START + 400 + +// Optional module for macro recording +#ifdef MACRO_SUPPORT +typedef void (tMacroRecorder)(UINT iMessage, WPARAM wParam, LPARAM lParam, + void *userData); +#define SCI_STARTRECORD SCI_OPTIONAL_START + 1 +#define SCI_STOPRECORD SCI_OPTIONAL_START + 2 +#endif + +#define SCI_SETLEXER SCI_LEXER_START + 1 +#define SCI_GETLEXER SCI_LEXER_START + 2 +#define SCI_COLOURISE SCI_LEXER_START + 3 +#define SCI_SETPROPERTY SCI_LEXER_START + 4 +#define SCI_SETKEYWORDS SCI_LEXER_START + 5 + +// Notifications + +// Type of modification and the action which caused the modification +// These are defined as a bit mask to make it easy to specify which notifications are wanted. +// One bit is set from each of SC_MOD_* and SC_PERFORMED_*. +#define SC_MOD_INSERTTEXT 0x1 +#define SC_MOD_DELETETEXT 0x2 +#define SC_MOD_CHANGESTYLE 0x4 +#define SC_MOD_CHANGEFOLD 0x8 +#define SC_PERFORMED_USER 0x10 +#define SC_PERFORMED_UNDO 0x20 +#define SC_PERFORMED_REDO 0x40 +#define SC_LASTSTEPINUNDOREDO 0x100 + +#define SC_MODEVENTMASKALL 0x377 + +struct SCNotification { + NMHDR nmhdr; + int position; // SCN_STYLENEEDED, SCN_MODIFIED + int ch; // SCN_CHARADDED, SCN_KEY + int modifiers; // SCN_KEY + int modificationType; // SCN_MODIFIED + const char *text; // SCN_MODIFIED + int length; // SCN_MODIFIED + int linesAdded; // SCN_MODIFIED +#ifdef MACRO_SUPPORT + int message; // SCN_MACRORECORD + int wParam; // SCN_MACRORECORD + int lParam; // SCN_MACRORECORD +#endif + int line; // SCN_MODIFIED + int foldLevelNow; // SCN_MODIFIED + int foldLevelPrev; // SCN_MODIFIED + int margin; // SCN_MARGINCLICK +}; + +#define SCN_STYLENEEDED 2000 +#define SCN_CHARADDED 2001 +#define SCN_SAVEPOINTREACHED 2002 +#define SCN_SAVEPOINTLEFT 2003 +#define SCN_MODIFYATTEMPTRO 2004 +// GTK+ Specific to work around focus and accelerator problems: +#define SCN_KEY 2005 +#define SCN_DOUBLECLICK 2006 +#define SCN_UPDATEUI 2007 +// The old name for SCN_UPDATEUI: +#define SCN_CHECKBRACE 2007 +#define SCN_MODIFIED 2008 +// Optional module for macro recording +#ifdef MACRO_SUPPORT +#define SCN_MACRORECORD 2009 +#endif +#define SCN_MARGINCLICK 2010 +#define SCN_NEEDSHOWN 2011 + +#ifdef STATIC_BUILD +void Scintilla_RegisterClasses(HINSTANCE hInstance); +#endif + +// Deprecation section listing all API features that are deprecated and will +// will be removed completely in a future version. +// To enable these features define INCLUDE_DEPRECATED_FEATURES + +#ifdef INCLUDE_DEPRECATED_FEATURES + +// Default style settings. These are deprecated and will be removed in a future version. +#define SCI_SETFORE SCI_START + 60 +#define SCI_SETBACK SCI_START + 61 +#define SCI_SETBOLD SCI_START + 62 +#define SCI_SETITALIC SCI_START + 63 +#define SCI_SETSIZE SCI_START + 64 +#define SCI_SETFONT SCI_START + 65 + +#define SCI_APPENDUNDOSTARTACTION SCI_START + 74 + +#define SC_UNDOCOLLECT_MANUALSTART 2 + +// Deprecated in release 1.22 +#define SCI_SETMARGINWIDTH SCI_START + 34 +#define SCI_SETLINENUMBERWIDTH SCI_START + 38 + +#endif + +#endif diff --git a/include/WinDefs.h b/include/WinDefs.h new file mode 100644 index 000000000..0b125e731 --- /dev/null +++ b/include/WinDefs.h @@ -0,0 +1,218 @@ +// Scintilla source code edit control +// WinDefs.h - the subset of definitions from Windows needed by Scintilla for GTK+ +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef WINDEFS_H +#define WINDEFS_H + +#define WORD short +#define WPARAM unsigned long +#define LPARAM long +#define LRESULT long +#define DWORD long + +#define UINT unsigned int +#define LPSTR char * +#define LONG long + +/* RTF control */ +#define EM_CANPASTE (1074) +#define EM_CANUNDO (198) +#define EM_CHARFROMPOS (215) +#define EM_DISPLAYBAND (1075) +#define EM_EMPTYUNDOBUFFER (205) +#define EM_EXGETSEL (1076) +#define EM_EXLIMITTEXT (1077) +#define EM_EXLINEFROMCHAR (1078) +#define EM_EXSETSEL (1079) +#define EM_FINDTEXT (1080) +#define EM_FINDTEXTEX (1103) +#define EM_FINDWORDBREAK (1100) +#define EM_FMTLINES (200) +#define EM_FORMATRANGE (1081) +#define EM_GETCHARFORMAT (1082) +#define EM_GETEVENTMASK (1083) +#define EM_GETFIRSTVISIBLELINE (206) +#define EM_GETHANDLE (189) +#define EM_GETLIMITTEXT (213) +#define EM_GETLINE (196) +#define EM_GETLINECOUNT (186) +#define EM_GETMARGINS (212) +#define EM_GETMODIFY (184) +#define EM_GETIMECOLOR (1129) +#define EM_GETIMEOPTIONS (1131) +#define EM_GETOPTIONS (1102) +#define EM_GETOLEINTERFACE (1084) +#define EM_GETPARAFORMAT (1085) +#define EM_GETPASSWORDCHAR (210) +#define EM_GETPUNCTUATION (1125) +#define EM_GETRECT (178) +#define EM_GETSEL (176) +#define EM_GETSELTEXT (1086) +#define EM_GETTEXTRANGE (1099) +#define EM_GETTHUMB (190) +#define EM_GETWORDBREAKPROC (209) +#define EM_GETWORDBREAKPROCEX (1104) +#define EM_GETWORDWRAPMODE (1127) +#define EM_HIDESELECTION (1087) +#define EM_LIMITTEXT (197) +#define EM_LINEFROMCHAR (201) +#define EM_LINEINDEX (187) +#define EM_LINELENGTH (193) +#define EM_LINESCROLL (182) +#define EM_PASTESPECIAL (1088) +#define EM_POSFROMCHAR (214) +#define EM_REPLACESEL (194) +#define EM_REQUESTRESIZE (1089) +#define EM_SCROLL (181) +#define EM_SCROLLCARET (183) +#define EM_SELECTIONTYPE (1090) +#define EM_SETBKGNDCOLOR (1091) +#define EM_SETCHARFORMAT (1092) +#define EM_SETEVENTMASK (1093) +#define EM_SETHANDLE (188) +#define EM_SETIMECOLOR (1128) +#define EM_SETIMEOPTIONS (1130) +#define EM_SETLIMITTEXT (197) +#define EM_SETMARGINS (211) +#define EM_SETMODIFY (185) +#define EM_SETOLECALLBACK (1094) +#define EM_SETOPTIONS (1101) +#define EM_SETPARAFORMAT (1095) +#define EM_SETPASSWORDCHAR (204) +#define EM_SETPUNCTUATION (1124) +#define EM_SETREADONLY (207) +#define EM_SETRECT (179) +#define EM_SETRECTNP (180) +#define EM_SETSEL (177) +#define EM_SETTABSTOPS (203) +#define EM_SETTARGETDEVICE (1096) +#define EM_SETWORDBREAKPROC (208) +#define EM_SETWORDBREAKPROCEX (1105) +#define EM_SETWORDWRAPMODE (1126) +#define EM_STREAMIN (1097) +#define EM_STREAMOUT (1098) +#define EM_UNDO (199) + +#define WM_NULL (0) +#define WM_CLEAR (771) +#define WM_COMMAND (273) +#define WM_COPY (769) +#define WM_CUT (768) +#define WM_GETTEXT (13) +#define WM_GETTEXTLENGTH (14) +#define WM_NOTIFY (78) +#define WM_PASTE (770) +#define WM_SETTEXT (12) +#define WM_UNDO (772) + +#define EN_CHANGE (768) +#define EN_KILLFOCUS (512) +#define EN_SETFOCUS (256) + +#define EC_LEFTMARGIN 1 +#define EC_RIGHTMARGIN 2 +#define EC_USEFONTINFO 0xffff + +#if PLAT_GTK +#define VK_DOWN GDK_Down +#define VK_UP GDK_Up +#define VK_LEFT GDK_Left +#define VK_RIGHT GDK_Right +#define VK_HOME GDK_Home +#define VK_END GDK_End +#define VK_PRIOR GDK_Page_Up +#define VK_NEXT GDK_Page_Down +#define VK_DELETE GDK_Delete +#define VK_INSERT GDK_Insert +#define VK_ESCAPE GDK_Escape +#define VK_BACK GDK_BackSpace +#define VK_TAB GDK_Tab +#define VK_RETURN GDK_Return +#define VK_ADD GDK_KP_Add +#define VK_SUBTRACT GDK_KP_Subtract +#endif + +#if PLAT_WX +#define VK_DOWN WXK_DOWN +#define VK_UP WXK_UP +#define VK_LEFT WXK_LEFT +#define VK_RIGHT WXK_RIGHT +#define VK_HOME WXK_HOME +#define VK_END WXK_END +#define VK_PRIOR WXK_PRIOR +#define VK_NEXT WXK_NEXT +#define VK_DELETE WXK_DELETE +#define VK_INSERT WXK_INSERT +#define VK_ESCAPE WXK_ESCAPE +#define VK_BACK WXK_BACK +#define VK_TAB WXK_TAB +#define VK_RETURN WXK_RETURN +#define VK_ADD WXK_ADD +#define VK_SUBTRACT WXK_SUBTRACT + +// Are these needed any more +#define LPSTR char * +#define LONG long +#define LPDWORD (long *) +#endif + +/* SELCHANGE structure */ +#define SEL_EMPTY (0) +#define SEL_TEXT (1) +#define SEL_OBJECT (2) +#define SEL_MULTICHAR (4) +#define SEL_MULTIOBJECT (8) + +/* FINDREPLACE structure */ +#define FR_MATCHCASE (0x4) +#define FR_WHOLEWORD (0x2) +#define FR_DOWN (0x1) + +#define SHIFT_PRESSED 1 +#define LEFT_CTRL_PRESSED 2 +#define LEFT_ALT_PRESSED 4 + +struct RECT { + LONG left; + LONG top; + LONG right; + LONG bottom; +}; + +struct CHARRANGE { + LONG cpMin; + LONG cpMax; +}; + +struct TEXTRANGE { + CHARRANGE chrg; + LPSTR lpstrText; +}; + +struct FINDTEXTEX { + CHARRANGE chrg; + LPSTR lpstrText; + CHARRANGE chrgText; +}; + +struct NMHDR { + WindowID hwndFrom; + UINT idFrom; + UINT code; +}; + +struct FORMATRANGE { + SurfaceID hdc; + SurfaceID hdcTarget; + RECT rc; + RECT rcPage; + CHARRANGE chrg; +}; + +#define MAKELONG(a, b) ((a) | ((b) << 16)) +#define LOWORD(x) (x & 0xffff) +#define HIWORD(x) (x >> 16) + +#endif diff --git a/src/Accessor.cxx b/src/Accessor.cxx new file mode 100644 index 000000000..57b7e4dc4 --- /dev/null +++ b/src/Accessor.cxx @@ -0,0 +1,112 @@ +// SciTE - Scintilla based Text Editor +// Accessor.cxx - rapid easy access to contents of a Scintilla +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> +#include <stdio.h> + +#include "Platform.h" + +#include "PropSet.h" +#include "Accessor.h" +#include "Scintilla.h" + +void Accessor::Fill(int position) { + if (lenDoc == -1) + lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0); + startPos = position - slopSize; + if (startPos + bufferSize > lenDoc) + startPos = lenDoc - bufferSize; + if (startPos < 0) + startPos = 0; + endPos = startPos + bufferSize; + if (endPos > lenDoc) + endPos = lenDoc; + + TEXTRANGE tr = {{startPos, endPos}, buf}; + Platform::SendScintilla(id, EM_GETTEXTRANGE, 0, reinterpret_cast<LPARAM>(&tr)); +} + +char Accessor::StyleAt(int position) { + return static_cast<char>(Platform::SendScintilla( + id, SCI_GETSTYLEAT, position, 0)); +} + +int Accessor::GetLine(int position) { + return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0); +} + +int Accessor::LineStart(int line) { + return Platform::SendScintilla(id, EM_LINEINDEX, line, 0); +} + +int Accessor::LevelAt(int line) { + return Platform::SendScintilla(id, SCI_GETFOLDLEVEL, line, 0); +} + +int Accessor::Length() { + if (lenDoc == -1) + lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0); + return lenDoc; +} + +int Accessor::GetLineState(int line) { + return Platform::SendScintilla(id, SCI_GETLINESTATE, line); +} + +int Accessor::SetLineState(int line, int state) { + return Platform::SendScintilla(id, SCI_SETLINESTATE, line, state); +} + +void StylingContext::StartAt(unsigned int start, char chMask) { + Platform::SendScintilla(id, SCI_STARTSTYLING, start, chMask); +} + +void StylingContext::ColourSegment(unsigned int start, unsigned int end, int chAttr) { + // Only perform styling if non empty range + if (end != start - 1) { + if (end < start) { + Platform::DebugPrintf("Bad colour positions %d - %d\n", start, end); + } + + if (validLen + (end - start + 1) >= bufferSize) + Flush(); + if (validLen + (end - start + 1) >= bufferSize) { + // Too big for buffer so send directly + Platform::SendScintilla(id, SCI_SETSTYLING, end - start + 1, chAttr); + } else { + if (chAttr != chWhile) + chFlags = 0; + chAttr |= chFlags; + for (unsigned int i = start; i <= end; i++) { + styleBuf[validLen++] = chAttr; + } + } + } +} + +void StylingContext::StartSegment(unsigned int pos) { + startSeg = pos; +} + +void StylingContext::ColourTo(unsigned int pos, int chAttr) { + ColourSegment(startSeg, pos, chAttr); + startSeg = pos+1; +} + +int StylingContext::GetLine(int position) { + return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0); +} + +void StylingContext::SetLevel(int line, int level) { + Platform::SendScintilla(id, SCI_SETFOLDLEVEL, line, level); +} + +void StylingContext::Flush() { + if (validLen > 0) { + Platform::SendScintilla(id, SCI_SETSTYLINGEX, validLen, + reinterpret_cast<LPARAM>(styleBuf)); + validLen = 0; + } +} diff --git a/src/AutoComplete.cxx b/src/AutoComplete.cxx new file mode 100644 index 000000000..c3ec29c3c --- /dev/null +++ b/src/AutoComplete.cxx @@ -0,0 +1,104 @@ +// Scintilla source code edit control +// AutoComplete.cxx - defines the auto completion list box +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> +#include <string.h> + +#include "Platform.h" + +#include "AutoComplete.h" + +AutoComplete::AutoComplete() { + lb = 0; + active = false; + posStart = 0; + strcpy(stopChars, ""); +} + +AutoComplete::~AutoComplete() { + lb.Destroy(); +} + +bool AutoComplete::Active() { + return active; +} + +void AutoComplete::Start(Window &parent, int ctrlID, int position, int startLen_) { + if (!lb.Created()) { + lb.Create(parent, ctrlID); + } + lb.Clear(); + active = true; + startLen = startLen_; + posStart = position; +} + +void AutoComplete::SetStopChars(const char *stopChars_) { + strncpy(stopChars, stopChars_, sizeof(stopChars)); + stopChars[sizeof(stopChars) - 1] = '\0'; +} + +bool AutoComplete::IsStopChar(char ch) { + return ch && strchr(stopChars, ch); +} + +int AutoComplete::SetList(const char *list) { + int maxStrLen = 12; + lb.Clear(); + char *words = new char[strlen(list) + 1]; + if (words) { + strcpy(words, list); + char *startword = words; + int i = 0; + for (; words && words[i]; i++) { + if (words[i] == ' ') { + words[i] = '\0'; + lb.Append(startword); + maxStrLen = Platform::Maximum(maxStrLen, strlen(startword)); + startword = words + i + 1; + } + } + if (startword) { + lb.Append(startword); + maxStrLen = Platform::Maximum(maxStrLen, strlen(startword)); + } + delete []words; + } + lb.Sort(); + return maxStrLen; +} + +void AutoComplete::Show() { + lb.Show(); + lb.Select(0); +} + +void AutoComplete::Cancel() { + if (lb.Created()) { + lb.Destroy(); + lb = 0; + active = false; + } +} + + +void AutoComplete::Move(int delta) { + int count = lb.Length(); + int current = lb.GetSelection(); + current += delta; + if (current >= count) + current = count - 1; + if (current < 0) + current = 0; + lb.Select(current); +} + +void AutoComplete::Select(const char *word) { + int pos = lb.Find(word); + //Platform::DebugPrintf("Autocompleting at <%s> %d\n", wordCurrent, pos); + if (pos != -1) + lb.Select(pos); +} + diff --git a/src/AutoComplete.h b/src/AutoComplete.h new file mode 100644 index 000000000..10216027b --- /dev/null +++ b/src/AutoComplete.h @@ -0,0 +1,43 @@ +// Scintilla source code edit control +// AutoComplete.h - defines the auto completion list box +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef AUTOCOMPLETE_H +#define AUTOCOMPLETE_H + +class AutoComplete { + bool active; + char stopChars[256]; +public: + ListBox lb; + int posStart; + int startLen; + + AutoComplete(); + ~AutoComplete(); + + // Is the auto completion list displayed? + bool Active(); + + // Display the auto completion list positioned to be near a character position + void Start(Window &parent, int ctrlID, int position, int startLen_); + + // The stop chars are characters which, when typed, cause the auto completion list to disappear + void SetStopChars(const char *stopChars_); + bool IsStopChar(char ch); + + // The list string contains a sequence of words separated by spaces + int SetList(const char *list); + + void Show(); + void Cancel(); + + // Move the current list element by delta, scrolling appropriately + void Move(int delta); + + // Select a list element that starts with word as the current element + void Select(const char *word); +}; + +#endif diff --git a/src/CallTip.cxx b/src/CallTip.cxx new file mode 100644 index 000000000..ad6740208 --- /dev/null +++ b/src/CallTip.cxx @@ -0,0 +1,168 @@ +// Scintilla source code edit control +// CallTip.cxx - code for displaying call tips +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> +#include <string.h> + +#include "Platform.h" + +#include "CallTip.h" + +CallTip::CallTip() { + wCallTip = 0; + inCallTipMode = false; + posStartCallTip = 0; + val = 0; + startHighlight = 0; + endHighlight = 0; + + colourBG.desired = Colour(0xff, 0xff, 0xff); + colourUnSel.desired = Colour(0x80, 0x80, 0x80); + colourSel.desired = Colour(0, 0, 0x80); + colourShade.desired = Colour(0, 0, 0); + colourLight.desired = Colour(0xc0, 0xc0, 0xc0); +} + +CallTip::~CallTip() { + wCallTip.Destroy(); + delete []val; + val = 0; +} + +void CallTip::RefreshColourPalette(Palette &pal, bool want) { + pal.WantFind(colourBG, want); + pal.WantFind(colourUnSel, want); + pal.WantFind(colourSel, want); + pal.WantFind(colourShade, want); + pal.WantFind(colourLight, want); +} + +void CallTip::PaintCT(Surface *surfaceWindow) { + if (!val) + return; + PRectangle rcClientPos = wCallTip.GetClientPosition(); + PRectangle rcClientSize(0, 0, rcClientPos.right - rcClientPos.left, + rcClientPos.bottom - rcClientPos.top); + PRectangle rcClient(1, 1, rcClientSize.right - 1, rcClientSize.bottom - 1); + + surfaceWindow->FillRectangle(rcClient, colourBG.allocated); + // To make a nice small call tip window, it is only sized to fit most normal characters without accents + int lineHeight = surfaceWindow->Height(font); + int ascent = surfaceWindow->Ascent(font) - surfaceWindow->InternalLeading(font); + + // For each line... + // Draw the definition in three parts: before highlight, highlighted, after highlight + int ytext = rcClient.top + ascent + 1; + char *chunkVal = val; + bool moreChunks = true; + while (moreChunks) { + char *chunkEnd = strchr(chunkVal, '\n'); + if (chunkEnd == NULL) { + chunkEnd = chunkVal + strlen(chunkVal); + moreChunks = false; + } + int chunkOffset = chunkVal - val; + int chunkLength = chunkEnd - chunkVal; + int chunkEndOffset = chunkOffset + chunkLength; + int thisStartHighlight = Platform::Maximum(startHighlight, chunkOffset); + thisStartHighlight = Platform::Minimum(thisStartHighlight, chunkEndOffset); + thisStartHighlight -= chunkOffset; + int thisEndHighlight = Platform::Maximum(endHighlight, chunkOffset); + thisEndHighlight = Platform::Minimum(thisEndHighlight, chunkEndOffset); + thisEndHighlight -= chunkOffset; + int x = 5; + int xEnd = x + surfaceWindow->WidthText(font, chunkVal, thisStartHighlight); + rcClient.left = x; + rcClient.top = ytext - ascent - 1; + rcClient.right = xEnd; + surfaceWindow->DrawText(rcClient, font, ytext, + chunkVal, thisStartHighlight, + colourUnSel.allocated, colourBG.allocated); + x = xEnd; + + xEnd = x + surfaceWindow->WidthText(font, chunkVal + thisStartHighlight, + thisEndHighlight - thisStartHighlight); + rcClient.top = ytext; + rcClient.left = x; + rcClient.right = xEnd; + surfaceWindow->DrawText(rcClient, font, ytext, + chunkVal + thisStartHighlight, thisEndHighlight - thisStartHighlight, + colourSel.allocated, colourBG.allocated); + x = xEnd; + + xEnd = x + surfaceWindow->WidthText(font, chunkVal + thisEndHighlight, + chunkLength - thisEndHighlight); + rcClient.left = x; + rcClient.right = xEnd; + surfaceWindow->DrawText(rcClient, font, ytext, + chunkVal + thisEndHighlight, chunkLength - thisEndHighlight, + colourUnSel.allocated, colourBG.allocated); + chunkVal = chunkEnd + 1; + ytext += lineHeight; + } + // Draw a raised border around the edges of the window + surfaceWindow->MoveTo(0, rcClientSize.bottom - 1); + surfaceWindow->PenColour(colourShade.allocated); + surfaceWindow->LineTo(rcClientSize.right - 1, rcClientSize.bottom - 1); + surfaceWindow->LineTo(rcClientSize.right - 1, 0); + surfaceWindow->PenColour(colourLight.allocated); + surfaceWindow->LineTo(0, 0); + surfaceWindow->LineTo(0, rcClientSize.bottom - 1); +} + +PRectangle CallTip::CallTipStart(int pos, Point pt, const char *defn, + const char *faceName, int size) { + Surface surfaceMeasure; + surfaceMeasure.Init(); + int deviceHeight = (size * surfaceMeasure.LogPixelsY()) / 72; + font.Create(faceName, deviceHeight); + if (val) + delete []val; + val = new char[strlen(defn) + 1]; + if (!val) + return PRectangle(); + strcpy(val, defn); + startHighlight = 0; + endHighlight = 0; + inCallTipMode = true; + posStartCallTip = pos; + // Look for multiple lines in the text + // Only support \n here - simply means container must avoid \r! + int width = 0; + int numLines = 1; + const char *newline; + const char *look = val; + while ((newline = strchr(look, '\n')) != NULL) { + int thisWidth = surfaceMeasure.WidthText(font, look, newline - look); + width = Platform::Maximum(width, thisWidth); + look = newline + 1; + numLines++; + } + int lastWidth = surfaceMeasure.WidthText(font, look, strlen(look)); + width = Platform::Maximum(width, lastWidth) + 10; + int lineHeight = surfaceMeasure.Height(font); + // Extra line for border and an empty line at top and bottom + int height = lineHeight * numLines - surfaceMeasure.InternalLeading(font) + 2 + 2; + return PRectangle(pt.x -5, pt.y + lineHeight + 1, pt.x + width - 5, pt.y + lineHeight + 1 + height); +} + + +void CallTip::CallTipCancel() { + inCallTipMode = false; + if (wCallTip.Created()) { + wCallTip.Destroy(); + } +} + +void CallTip::SetHighlight(int start, int end) { + // Avoid flashing by checking something has really changed + if ((start != startHighlight) || (end != endHighlight)) { + startHighlight = start; + endHighlight = end; + if (wCallTip.Created()) { + wCallTip.InvalidateAll(); + } + } +} diff --git a/src/CallTip.h b/src/CallTip.h new file mode 100644 index 000000000..cd5b093c8 --- /dev/null +++ b/src/CallTip.h @@ -0,0 +1,46 @@ +// Scintilla source code edit control +// CallTip.h - interface to the call tip control +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef CALLTIP_H +#define CALLTIP_H + +const char callClassName[] = "CallTip"; + +class CallTip { + int startHighlight; + int endHighlight; + char *val; + Font font; +public: + Window wCallTip; + Window wDraw; + bool inCallTipMode; + int posStartCallTip; + ColourPair colourBG; + ColourPair colourUnSel; + ColourPair colourSel; + ColourPair colourShade; + ColourPair colourLight; + + CallTip(); + ~CallTip(); + + // Claim or accept palette entries for the colours required to paint a calltip + void RefreshColourPalette(Palette &pal, bool want); + + void PaintCT(Surface *surfaceWindow); + + // Setup the calltip and return a rectangle of the area required + PRectangle CallTipStart(int pos, Point pt, const char *defn, + const char *faceName, int size); + + void CallTipCancel(); + + // Set a range of characters to be displayed in a highlight style. + // Commonly used to highlight the current parameter. + void SetHighlight(int start, int end); +}; + +#endif diff --git a/src/CellBuffer.cxx b/src/CellBuffer.cxx new file mode 100644 index 000000000..777688511 --- /dev/null +++ b/src/CellBuffer.cxx @@ -0,0 +1,950 @@ +// Scintilla source code edit control +// CellBuffer.cxx - manages a buffer of cells +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "Platform.h" + +#include "Scintilla.h" +#include "SVector.h" +#include "CellBuffer.h" + +MarkerHandleSet::MarkerHandleSet() { + root = 0; +} + +MarkerHandleSet::~MarkerHandleSet() { + MarkerHandleNumber *mhn = root; + while (mhn) { + MarkerHandleNumber *mhnToFree = mhn; + mhn = mhn->next; + delete mhnToFree; + } + root = 0; +} + +int MarkerHandleSet::Length() { + int c = 0; + MarkerHandleNumber *mhn = root; + while (mhn) { + c++; + mhn = mhn->next; + } + return c; +} + +int MarkerHandleSet::NumberFromHandle(int handle) { + MarkerHandleNumber *mhn = root; + while (mhn) { + if (mhn->handle == handle) { + return mhn->number; + } + mhn = mhn->next; + } + return - 1; +} + +int MarkerHandleSet::MarkValue() { + unsigned int m = 0; + MarkerHandleNumber *mhn = root; + while (mhn) { + m |= (1 << mhn->number); + mhn = mhn->next; + } + return m; +} + +bool MarkerHandleSet::Contains(int handle) { + MarkerHandleNumber *mhn = root; + while (mhn) { + if (mhn->handle == handle) { + return true; + } + mhn = mhn->next; + } + return false; +} + +bool MarkerHandleSet::InsertHandle(int handle, int markerNum) { + MarkerHandleNumber *mhn = new MarkerHandleNumber; + if (!mhn) + return false; + mhn->handle = handle; + mhn->number = markerNum; + mhn->next = root; + root = mhn; + return true; +} + +void MarkerHandleSet::RemoveHandle(int handle) { + MarkerHandleNumber **pmhn = &root; + while (*pmhn) { + MarkerHandleNumber *mhn = *pmhn; + if (mhn->handle == handle) { + *pmhn = mhn->next; + delete mhn; + return; + } + pmhn = &((*pmhn)->next); + } +} + +void MarkerHandleSet::RemoveNumber(int markerNum) { + MarkerHandleNumber **pmhn = &root; + while (*pmhn) { + MarkerHandleNumber *mhn = *pmhn; + if (mhn->number == markerNum) { + *pmhn = mhn->next; + delete mhn; + return; + } + pmhn = &((*pmhn)->next); + } +} + +void MarkerHandleSet::CombineWith(MarkerHandleSet *other) { + MarkerHandleNumber **pmhn = &root; + while (*pmhn) { + pmhn = &((*pmhn)->next); + } + *pmhn = other->root; + other->root = 0; +} + +LineVector::LineVector() { + linesData = 0; + lines = 0; + levels = 0; + Init(); +} + +LineVector::~LineVector() { + for (int line = 0; line < lines; line++) { + delete linesData[line].handleSet; + linesData[line].handleSet = 0; + } + delete []linesData; + linesData = 0; + delete []levels; + levels = 0; +} + +void LineVector::Init() { + for (int line = 0; line < lines; line++) { + delete linesData[line].handleSet; + linesData[line].handleSet = 0; + } + delete []linesData; + linesData = new LineData[static_cast<int>(growSize)]; + size = growSize; + lines = 1; + delete []levels; + levels = 0; + sizeLevels = 0; +} + +void LineVector::Expand(int sizeNew) { + LineData *linesDataNew = new LineData[sizeNew]; + if (linesDataNew) { + for (int i = 0; i < size; i++) + linesDataNew[i] = linesData[i]; + // Do not delete handleSets here as they are transferred to new linesData + delete []linesData; + linesData = linesDataNew; + size = sizeNew; + } else { + Platform::DebugPrintf("No memory available\n"); + // TODO: Blow up + } +} + +void LineVector::ExpandLevels(int sizeNew) { + if (sizeNew == -1) + sizeNew = size; + int *levelsNew = new int[sizeNew]; + if (levelsNew) { + int i = 0; + for (; i < sizeLevels; i++) + levelsNew[i] = levels[i]; + for (; i < sizeNew; i++) + levelsNew[i] = SC_FOLDLEVELBASE; + delete []levels; + levels = levelsNew; + sizeLevels = sizeNew; + } else { + Platform::DebugPrintf("No memory available\n"); + // TODO: Blow up + } +} + +void LineVector::InsertValue(int pos, int value) { + //Platform::DebugPrintf("InsertValue[%d] = %d\n", pos, value); + if ((lines + 2) >= size) { + Expand(size + growSize); + if (levels) { + ExpandLevels(size + growSize); + } + } + lines++; + for (int i = lines + 1; i > pos; i--) { + linesData[i] = linesData[i - 1]; + } + linesData[pos].startPosition = value; + linesData[pos].handleSet = 0; +} + +void LineVector::SetValue(int pos, int value) { + //Platform::DebugPrintf("SetValue[%d] = %d\n", pos, value); + if ((pos + 2) >= size) { + //Platform::DebugPrintf("Resize %d %d\n", size,pos); + Expand(pos + growSize); + //Platform::DebugPrintf("end Resize %d %d\n", size,pos); + lines = pos; + if (levels) { + ExpandLevels(pos + growSize); + } + } + linesData[pos].startPosition = value; +} + +void LineVector::Remove(int pos) { + //Platform::DebugPrintf("Remove %d\n", pos); + // Retain the markers from the deleted line by oring them into the previous line + if (pos > 0) { + MergeMarkers(pos - 1); + } + for (int i = pos; i < lines; i++) { + linesData[i] = linesData[i + 1]; + } + lines--; +} + +int LineVector::LineFromPosition(int pos) { + //Platform::DebugPrintf("LineFromPostion %d lines=%d end = %d\n", pos, lines, linesData[lines].startPosition); + if (lines == 0) + return 0; + //Platform::DebugPrintf("LineFromPosition %d\n", pos); + if (pos >= linesData[lines].startPosition) + return lines - 1; + int lower = 0; + int upper = lines; + int middle = 0; + do { + middle = (upper + lower + 1) / 2; // Round high + if (pos < linesData[middle].startPosition) { + upper = middle - 1; + } else { + lower = middle; + } + } while (lower < upper); + //Platform::DebugPrintf("LineFromPostion %d %d %d\n", pos, lower, linesData[lower].startPosition, linesData[lower > 1 ? lower - 1 : 0].startPosition); + return lower; +} + +int LineVector::AddMark(int line, int markerNum) { + handleCurrent++; + if (!linesData[line].handleSet) { + // Need new structure to hold marker handle + linesData[line].handleSet = new MarkerHandleSet; + if (!linesData[line].handleSet) + return - 1; + } + linesData[line].handleSet->InsertHandle(handleCurrent, markerNum); + + return handleCurrent; +} + +void LineVector::MergeMarkers(int pos) { + if (linesData[pos].handleSet || linesData[pos + 1].handleSet) { + if (linesData[pos].handleSet && linesData[pos + 1].handleSet) { + linesData[pos].handleSet->CombineWith(linesData[pos].handleSet); + linesData[pos].handleSet = 0; + } + } +} + +void LineVector::DeleteMark(int line, int markerNum) { + if (linesData[line].handleSet) { + if (markerNum == -1) { + delete linesData[line].handleSet; + linesData[line].handleSet = 0; + } else { + linesData[line].handleSet->RemoveNumber(markerNum); + if (linesData[line].handleSet->Length() == 0) { + delete linesData[line].handleSet; + linesData[line].handleSet = 0; + } + } + } +} + +void LineVector::DeleteMarkFromHandle(int markerHandle) { + int line = LineFromHandle(markerHandle); + if (line >= 0) { + linesData[line].handleSet->RemoveHandle(markerHandle); + if (linesData[line].handleSet->Length() == 0) { + delete linesData[line].handleSet; + linesData[line].handleSet = 0; + } + } +} + +int LineVector::LineFromHandle(int markerHandle) { + for (int line = 0; line < lines; line++) { + if (linesData[line].handleSet) { + if (linesData[line].handleSet->Contains(markerHandle)) { + return line; + } + } + } + return - 1; +} + +Action::Action() { + at = startAction; + position = 0; + data = 0; + lenData = 0; +} + +Action::~Action() { + Destroy(); +} + +void Action::Create(actionType at_, int position_, char *data_, int lenData_) { + delete []data; + position = position_; + at = at_; + data = data_; + lenData = lenData_; +} + +void Action::Destroy() { + delete []data; + data = 0; +} + +void Action::Grab(Action *source) { + delete []data; + + position = source->position; + at = source->at; + data = source->data; + lenData = source->lenData; + + // Ownership of source data transferred to this + source->position = 0; + source->at = startAction; + source->data = 0; + source->lenData = 0; +} + +CellBuffer::CellBuffer(int initialLength) { + body = new char[initialLength]; + size = initialLength; + length = 0; + part1len = 0; + gaplen = initialLength; + part2body = body + gaplen; + readOnly = false; + + lenActions = 100; + actions = new Action[lenActions]; + maxAction = 0; + currentAction = 0; + collectingUndo = undoCollectAutoStart; + undoSequenceDepth = 0; + savePoint = 0; + + actions[currentAction].Create(startAction); +} + +CellBuffer::~CellBuffer() { + delete []body; + body = 0; + delete []actions; + actions = 0; +} + +void CellBuffer::GapTo(int position) { + if (position == part1len) + return; + if (position < part1len) { + int diff = part1len - position; + //Platform::DebugPrintf("Move gap backwards to %d diff = %d part1len=%d length=%d \n", position,diff, part1len, length); + for (int i = 0; i < diff; i++) + body[part1len + gaplen - i - 1] = body[part1len - i - 1]; + } else { // position > part1len + int diff = position - part1len; + //Platform::DebugPrintf("Move gap forwards to %d diff =%d\n", position,diff); + for (int i = 0; i < diff; i++) + body[part1len + i] = body[part1len + gaplen + i]; + } + part1len = position; + part2body = body + gaplen; +} + +void CellBuffer::RoomFor(int insertionLength) { + //Platform::DebugPrintf("need room %d %d\n", gaplen, insertionLength); + if (gaplen <= insertionLength) { + //Platform::DebugPrintf("need room %d %d\n", gaplen, insertionLength); + GapTo(length); + int newSize = size + insertionLength + 4000; + //Platform::DebugPrintf("moved gap %d\n", newSize); + char *newBody = new char[newSize]; + memcpy(newBody, body, size); + delete []body; + body = newBody; + gaplen += newSize - size; + part2body = body + gaplen; + size = newSize; + //Platform::DebugPrintf("end need room %d %d - size=%d length=%d\n", gaplen, insertionLength,size,length); + } +} + +// To make it easier to write code that uses ByteAt, a position outside the range of the buffer +// can be retrieved. All characters outside the range have the value '\0'. +char CellBuffer::ByteAt(int position) { + if (position < part1len) { + if (position < 0) { + return '\0'; + } else { + return body[position]; + } + } else { + if (position >= length) { + return '\0'; + } else { + return part2body[position]; + } + } +} + +void CellBuffer::SetByteAt(int position, char ch) { + + if (position < 0) { + //Platform::DebugPrintf("Bad position %d\n",position); + return; + } + if (position >= length + 11) { + Platform::DebugPrintf("Very Bad position %d of %d\n", position, length); + //exit(2); + return; + } + if (position >= length) { + //Platform::DebugPrintf("Bad position %d of %d\n",position,length); + return; + } + + if (position < part1len) { + body[position] = ch; + } else { + part2body[position] = ch; + } +} + +char CellBuffer::CharAt(int position) { + return ByteAt(position*2); +} + +void CellBuffer::GetCharRange(char *buffer, int position, int lengthRetrieve) { + if (lengthRetrieve < 0) + return; + if (position < 0) + return; + int bytePos = position * 2; + if ((bytePos + lengthRetrieve * 2) > length) { + Platform::DebugPrintf("Bad GetCharRange %d for %d of %d\n",bytePos, + lengthRetrieve, length); + return; + } + GapTo(0); // Move the buffer so its easy to subscript into it + char *pb = part2body + bytePos; + while (lengthRetrieve--) { + *buffer++ = *pb; + pb +=2; + } +} + +char CellBuffer::StyleAt(int position) { + return ByteAt(position*2 + 1); +} + +const char *CellBuffer::InsertString(int position, char *s, int insertLength) { + char *data = 0; + // InsertString and DeleteChars are the bottleneck though which all changes occur + if (!readOnly) { + if (collectingUndo) { + // Save into the undo/redo stack, but only the characters - not the formatting + // This takes up about half load time + data = new char[insertLength / 2]; + for (int i = 0; i < insertLength / 2; i++) { + data[i] = s[i * 2]; + } + AppendAction(insertAction, position, data, insertLength / 2); + } + + BasicInsertString(position, s, insertLength); + } + return data; +} + +void CellBuffer::InsertCharStyle(int position, char ch, char style) { + char s[2]; + s[0] = ch; + s[1] = style; + InsertString(position*2, s, 2); +} + +bool CellBuffer::SetStyleAt(int position, char style, char mask) { + char curVal = ByteAt(position*2 + 1); + if ((curVal & mask) != style) { + SetByteAt(position*2 + 1, (curVal & ~mask) | style); + return true; + } else { + return false; + } +} + +bool CellBuffer::SetStyleFor(int position, int lengthStyle, char style, char mask) { + int bytePos = position * 2 + 1; + bool changed = false; + while (lengthStyle--) { + char curVal = ByteAt(bytePos); + if ((curVal & mask) != style) { + SetByteAt(bytePos, (curVal & ~mask) | style); + changed = true; + } + bytePos += 2; + } + return changed; +} + +void CellBuffer::EnsureUndoRoom() { + //Platform::DebugPrintf("%% %d action %d %d %d\n", at, position, length, currentAction); + if (currentAction >= 2) { + // Have to test that there is room for 2 more actions in the array + // as two actions may be created by this function + if (currentAction >= (lenActions - 2)) { + // Run out of undo nodes so extend the array + int lenActionsNew = lenActions * 2; + Action *actionsNew = new Action[lenActionsNew]; + if (!actionsNew) + return; + for (int act = 0; act <= currentAction; act++) + actionsNew[act].Grab(&actions[act]); + delete []actions; + lenActions = lenActionsNew; + actions = actionsNew; + } + } +} + +void CellBuffer::AppendAction(actionType at, int position, char *data, int lengthData) { + EnsureUndoRoom(); + //Platform::DebugPrintf("%% %d action %d %d %d\n", at, position, lengthData, currentAction); + if (currentAction >= 2) { + // See if current action can be coalesced into previous action + // Will work if both are inserts or deletes and position is same or two different + if ((at != actions[currentAction - 1].at) || (abs(position - actions[currentAction - 1].position) > 2)) { + currentAction++; + } else if (currentAction == savePoint) { + currentAction++; + } + } else { + currentAction++; + } + actions[currentAction].Create(at, position, data, lengthData); + if ((collectingUndo == undoCollectAutoStart) && (0 == undoSequenceDepth)) { + currentAction++; + actions[currentAction].Create(startAction); + } + maxAction = currentAction; +} + +const char *CellBuffer::DeleteChars(int position, int deleteLength) { + // InsertString and DeleteChars are the bottleneck though which all changes occur + char *data = 0; + if (!readOnly) { + if (collectingUndo) { + // Save into the undo/redo stack, but only the characters - not the formatting + data = new char[deleteLength / 2]; + for (int i = 0; i < deleteLength / 2; i++) { + data[i] = ByteAt(position + i * 2); + } + AppendAction(removeAction, position, data, deleteLength / 2); + } + + BasicDeleteChars(position, deleteLength); + } + return data; +} + +int CellBuffer::ByteLength() { + return length; +} + +int CellBuffer::Length() { + return ByteLength() / 2; +} + +int CellBuffer::Lines() { + //Platform::DebugPrintf("Lines = %d\n", lv.lines); + return lv.lines; +} + +int CellBuffer::LineStart(int line) { + if (line < 0) + return 0; + else if (line > lv.lines) + return length; + else + return lv.linesData[line].startPosition; +} + +bool CellBuffer::IsReadOnly() { + return readOnly; +} + +void CellBuffer::SetReadOnly(bool set) { + readOnly = set; +} + +void CellBuffer::SetSavePoint() { + savePoint = currentAction; +} + +bool CellBuffer::IsSavePoint() { + return savePoint == currentAction; +} + +int CellBuffer::AddMark(int line, int markerNum) { + if ((line >= 0) && (line < lv.lines)) { + return lv.AddMark(line, markerNum); + } + return - 1; +} + +void CellBuffer::DeleteMark(int line, int markerNum) { + if ((line >= 0) && (line < lv.lines)) { + lv.DeleteMark(line, markerNum); + } +} + +void CellBuffer::DeleteMarkFromHandle(int markerHandle) { + lv.DeleteMarkFromHandle(markerHandle); +} + +int CellBuffer::GetMark(int line) { + if ((line >= 0) && (line < lv.lines) && (lv.linesData[line].handleSet)) + return lv.linesData[line].handleSet->MarkValue(); + return 0; +} + +void CellBuffer::DeleteAllMarks(int markerNum) { + for (int line = 0; line < lv.lines; line++) { + lv.DeleteMark(line, markerNum); + } +} + +int CellBuffer::LineFromHandle(int markerHandle) { + return lv.LineFromHandle(markerHandle); +} + +// Without undo + +void CellBuffer::BasicInsertString(int position, char *s, int insertLength) { + //Platform::DebugPrintf("Inserting at %d for %d\n", position, insertLength); + if (insertLength == 0) + return; + RoomFor(insertLength); + GapTo(position); + + memcpy(body + part1len, s, insertLength); + length += insertLength; + part1len += insertLength; + gaplen -= insertLength; + part2body = body + gaplen; + + int lineInsert = lv.LineFromPosition(position / 2) + 1; + // Point all the lines after the insertion point further along in the buffer + for (int lineAfter = lineInsert; lineAfter <= lv.lines; lineAfter++) { + lv.linesData[lineAfter].startPosition += insertLength / 2; + } + char chPrev = ' '; + if ((position - 2) >= 0) + chPrev = ByteAt(position - 2); + char chAfter = ' '; + if ((position + insertLength) < length) + chAfter = ByteAt(position + insertLength); + if (chPrev == '\r' && chAfter == '\n') { + //Platform::DebugPrintf("Splitting a crlf pair at %d\n", lineInsert); + // Splitting up a crlf pair at position + lv.InsertValue(lineInsert, position / 2); + lineInsert++; + } + char ch = ' '; + for (int i = 0; i < insertLength; i += 2) { + ch = s[i]; + if (ch == '\r') { + //Platform::DebugPrintf("Inserting cr at %d\n", lineInsert); + lv.InsertValue(lineInsert, (position + i) / 2 + 1); + lineInsert++; + } else if (ch == '\n') { + if (chPrev == '\r') { + //Platform::DebugPrintf("Patching cr before lf at %d\n", lineInsert-1); + // Patch up what was end of line + lv.SetValue(lineInsert - 1, (position + i) / 2 + 1); + } else { + //Platform::DebugPrintf("Inserting lf at %d\n", lineInsert); + lv.InsertValue(lineInsert, (position + i) / 2 + 1); + lineInsert++; + } + } + chPrev = ch; + } + // Joining two lines where last insertion is cr and following text starts with lf + if (chAfter == '\n') { + if (ch == '\r') { + //Platform::DebugPrintf("Joining cr before lf at %d\n", lineInsert-1); + // End of line already in buffer so drop the newly created one + lv.Remove(lineInsert - 1); + } + } +} + +void CellBuffer::BasicDeleteChars(int position, int deleteLength) { + //Platform::DebugPrintf("Deleting at %d for %d\n", position, deleteLength); + if (deleteLength == 0) + return; + + if ((position == 0) && (deleteLength == length)) { + // If whole buffer is being deleted, faster to reinitialise lines data + // than to delete each line. + //printf("Whole buffer being deleted\n"); + lv.Init(); + } else { + // Have to fix up line positions before doing deletion as looking at text in buffer + // to work out which lines have been removed + + int lineRemove = lv.LineFromPosition(position / 2) + 1; + // Point all the lines after the insertion point further along in the buffer + for (int lineAfter = lineRemove; lineAfter <= lv.lines; lineAfter++) { + lv.linesData[lineAfter].startPosition -= deleteLength / 2; + } + char chPrev = ' '; + if (position >= 2) + chPrev = ByteAt(position - 2); + char chBefore = chPrev; + char chNext = ' '; + if (position < length) + chNext = ByteAt(position); + bool ignoreNL = false; + if (chPrev == '\r' && chNext == '\n') { + //Platform::DebugPrintf("Deleting lf after cr, move line end to cr at %d\n", lineRemove); + // Move back one + lv.SetValue(lineRemove, position / 2); + lineRemove++; + ignoreNL = true; // First \n is not real deletion + } + + char ch = chNext; + for (int i = 0; i < deleteLength; i += 2) { + chNext = ' '; + if ((position + i + 2) < length) + chNext = ByteAt(position + i + 2); + //Platform::DebugPrintf("Deleting %d %x\n", i, ch); + if (ch == '\r') { + if (chNext != '\n') { + //Platform::DebugPrintf("Removing cr end of line\n"); + lv.Remove(lineRemove); + } + } else if ((ch == '\n') && !ignoreNL) { + //Platform::DebugPrintf("Removing lf end of line\n"); + lv.Remove(lineRemove); + ignoreNL = false; // Further \n are not real deletions + } + + ch = chNext; + } + // May have to fix up end if last deletion causes cr to be next to lf + // or removes one of a crlf pair + char chAfter = ' '; + if ((position + deleteLength) < length) + chAfter = ByteAt(position + deleteLength); + if (chBefore == '\r' && chAfter == '\n') { + //d.printf("Joining cr before lf at %d\n", lineRemove); + // Using lineRemove-1 as cr ended line before start of deletion + lv.Remove(lineRemove - 1); + lv.SetValue(lineRemove - 1, position / 2 + 1); + } + } + GapTo(position); + length -= deleteLength; + gaplen += deleteLength; + part2body = body + gaplen; +} + +undoCollectionType CellBuffer::SetUndoCollection(undoCollectionType collectUndo) { + collectingUndo = collectUndo; + undoSequenceDepth = 0; + return collectingUndo; +} + +bool CellBuffer::IsCollectingUndo() { + return collectingUndo; +} + +void CellBuffer::AppendUndoStartAction() { + EnsureUndoRoom(); + // Finish any currently active undo sequence + undoSequenceDepth = 0; + if (actions[currentAction].at != startAction) { + undoSequenceDepth++; + currentAction++; + actions[currentAction].Create(startAction); + maxAction = currentAction; + } +} + +void CellBuffer::BeginUndoAction() { + EnsureUndoRoom(); + if (undoSequenceDepth == 0) { + if (actions[currentAction].at != startAction) { + currentAction++; + actions[currentAction].Create(startAction); + maxAction = currentAction; + } + } + undoSequenceDepth++; +} + +void CellBuffer::EndUndoAction() { + EnsureUndoRoom(); + undoSequenceDepth--; + if (0 == undoSequenceDepth) { + if (actions[currentAction].at != startAction) { + currentAction++; + actions[currentAction].Create(startAction); + maxAction = currentAction; + } + } +} + +void CellBuffer::DeleteUndoHistory() { + for (int i = 1; i < maxAction; i++) + actions[i].Destroy(); + maxAction = 0; + currentAction = 0; + savePoint = 0; +} + +bool CellBuffer::CanUndo() { + return (!readOnly) && ((currentAction > 0) && (maxAction > 0)); +} + +int CellBuffer::StartUndo() { + // Drop any trailing startAction + if (actions[currentAction].at == startAction && currentAction > 0) + currentAction--; + + // Count the steps in this action + int act = currentAction; + while (actions[act].at != startAction && act > 0) { + act--; + } + return currentAction - act; +} + +const Action &CellBuffer::UndoStep() { + const Action &actionStep = actions[currentAction]; + if (actionStep.at == insertAction) { + BasicDeleteChars(actionStep.position, actionStep.lenData*2); + } else if (actionStep.at == removeAction) { + char *styledData = new char[actionStep.lenData * 2]; + for (int i = 0; i < actionStep.lenData; i++) { + styledData[i*2] = actionStep.data[i]; + styledData[i*2+1] = 0; + } + BasicInsertString(actionStep.position, styledData, actionStep.lenData*2); + delete []styledData; + } + currentAction--; + return actionStep; +} + +bool CellBuffer::CanRedo() { + return (!readOnly) && (maxAction > currentAction); +} + +int CellBuffer::StartRedo() { + // Drop any leading startAction + if (actions[currentAction].at == startAction && currentAction < maxAction) + currentAction++; + + // Count the steps in this action + int act = currentAction; + while (actions[act].at != startAction && act < maxAction) { + act++; + } + return act - currentAction; +} + +const Action &CellBuffer::RedoStep() { + const Action &actionStep = actions[currentAction]; + if (actionStep.at == insertAction) { + char *styledData = new char[actionStep.lenData * 2]; + for (int i = 0; i < actionStep.lenData; i++) { + styledData[i*2] = actionStep.data[i]; + styledData[i*2+1] = 0; + } + BasicInsertString(actionStep.position, styledData, actionStep.lenData*2); + delete []styledData; + } else if (actionStep.at == removeAction) { + BasicDeleteChars(actionStep.position, actionStep.lenData*2); + } + currentAction++; + return actionStep; +} + +int CellBuffer::SetLineState(int line, int state) { + int stateOld = lineStates[line]; + lineStates[line] = state; + return stateOld; +} + +int CellBuffer::GetLineState(int line) { + return lineStates[line]; +} + +int CellBuffer::GetMaxLineState() { + return lineStates.Length(); +} + +int CellBuffer::SetLevel(int line, int level) { + int prev = 0; + if ((line >= 0) && (line < lv.lines)) { + if (!lv.levels) { + lv.ExpandLevels(); + } + prev = lv.levels[line]; + if (lv.levels[line] != level) { + lv.levels[line] = level; + } + } + return prev; +} + +int CellBuffer::GetLevel(int line) { + if (lv.levels && (line >= 0) && (line < lv.lines)) { + return lv.levels[line]; + } else { + return SC_FOLDLEVELBASE; + } +} + diff --git a/src/CellBuffer.h b/src/CellBuffer.h new file mode 100644 index 000000000..5fbe2ea8a --- /dev/null +++ b/src/CellBuffer.h @@ -0,0 +1,197 @@ +// Scintilla source code edit control +// CellBuffer.h - manages the text of the document +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef CELLBUFFER_H +#define CELLBUFFER_H + +// This holds the marker identifier and the marker type to display. +// MarkerHandleNumbers are members of lists. +struct MarkerHandleNumber { + int handle; + int number; + MarkerHandleNumber *next; +}; + +// A marker handle set contains any number of MarkerHandleNumbers +class MarkerHandleSet { + MarkerHandleNumber *root; +public: + MarkerHandleSet(); + ~MarkerHandleSet(); + int Length(); + int NumberFromHandle(int handle); + int MarkValue(); // Bit set of marker numbers + bool Contains(int handle); + bool InsertHandle(int handle, int markerNum); + void RemoveHandle(int handle); + void RemoveNumber(int markerNum); + void CombineWith(MarkerHandleSet *other); +}; + +// Each line stores the starting position of the first character of the line in the cell buffer +// and potentially a marker handle set. Often a line will not have any attached markers. +struct LineData { + int startPosition; + MarkerHandleSet *handleSet; + LineData() : startPosition(0), handleSet(0) { + } +}; + +// The line vector contains information about each of the lines in a cell buffer. +class LineVector { +public: + enum { growSize = 4000 }; + int lines; + LineData *linesData; + int size; + int *levels; + int sizeLevels; + + // Handles are allocated sequentially and should never have to be reused as 32 bit ints are very big. + int handleCurrent; + + LineVector(); + ~LineVector(); + void Init(); + + void Expand(int sizeNew); + void ExpandLevels(int sizeNew=-1); + void InsertValue(int pos, int value); + void SetValue(int pos, int value); + void Remove(int pos); + int LineFromPosition(int pos); + + int AddMark(int line, int marker); + void MergeMarkers(int pos); + void DeleteMark(int line, int markerNum); + void DeleteMarkFromHandle(int markerHandle); + int LineFromHandle(int markerHandle); +}; + +// Actions are used to store all the information required to perform one undo/redo step. +enum actionType { insertAction, removeAction, startAction }; + +class Action { +public: + actionType at; + int position; + char *data; + int lenData; + + Action(); + ~Action(); + void Create(actionType at_, int position_=0, char *data_=0, int lenData_=0); + void Destroy(); + void Grab(Action *source); +}; + +enum undoCollectionType { undoCollectNone, undoCollectAutoStart, undoCollectManualStart }; + +// Holder for an expandable array of characters that supports undo and line markers +// Based on article "Data Structures in a Bit-Mapped Text Editor" +// by Wilfred J. Hansen, Byte January 1987, page 183 +class CellBuffer { +private: + char *body; + int size; + int length; + int part1len; + int gaplen; + char *part2body; + bool readOnly; + + Action *actions; + int lenActions; + int maxAction; + int currentAction; + undoCollectionType collectingUndo; + int undoSequenceDepth; + int savePoint; + + LineVector lv; + + SVector<int, 4000> lineStates; + + void GapTo(int position); + void RoomFor(int insertionLength); + + void EnsureUndoRoom(); + void AppendAction(actionType at, int position, char *data, int length); + + inline char ByteAt(int position); + void SetByteAt(int position, char ch); + +public: + + CellBuffer(int initialLength = 4000); + ~CellBuffer(); + + // Retrieving positions outside the range of the buffer works and returns 0 + char CharAt(int position); + void GetCharRange(char *buffer, int position, int lengthRetrieve); + char StyleAt(int position); + + int ByteLength(); + int Length(); + int Lines(); + int LineStart(int line); + int LineFromPosition(int pos) { return lv.LineFromPosition(pos); } + const char *InsertString(int position, char *s, int insertLength); + void InsertCharStyle(int position, char ch, char style); + + // Setting styles for positions outside the range of the buffer is safe and has no effect. + // True is returned if the style of a character changed. + bool SetStyleAt(int position, char style, char mask=(char)0xff); + bool SetStyleFor(int position, int length, char style, char mask); + + const char *DeleteChars(int position, int deleteLength); + + bool IsReadOnly(); + void SetReadOnly(bool set); + + // The save point is a marker in the undo stack where the container has stated that + // the buffer was saved. Undo and redo can move over the save point. + void SetSavePoint(); + bool IsSavePoint(); + + // Line marker functions + int AddMark(int line, int markerNum); + void DeleteMark(int line, int markerNum); + void DeleteMarkFromHandle(int markerHandle); + int GetMark(int line); + void DeleteAllMarks(int markerNum); + int LineFromHandle(int markerHandle); + + // Without undo + void BasicInsertString(int position, char *s, int insertLength); + void BasicDeleteChars(int position, int deleteLength); + + undoCollectionType SetUndoCollection(undoCollectionType collectUndo); + bool IsCollectingUndo(); + void AppendUndoStartAction(); + void BeginUndoAction(); + void EndUndoAction(); + void DeleteUndoHistory(); + + // To perform an undo, StartUndo is called to retreive the number of steps, then UndoStep is + // called that many times. Similarly for redo. + bool CanUndo(); + int StartUndo(); + const Action &UndoStep(); + bool CanRedo(); + int StartRedo(); + const Action &RedoStep(); + + int SetLineState(int line, int state); + int GetLineState(int line); + int GetMaxLineState(); + + int SetLevel(int line, int level); + int GetLevel(int line); +}; + +#define CELL_SIZE 2 + +#endif diff --git a/src/ContractionState.cxx b/src/ContractionState.cxx new file mode 100644 index 000000000..6f41461eb --- /dev/null +++ b/src/ContractionState.cxx @@ -0,0 +1,203 @@ +// Scintilla source code edit control +// ContractionState.cxx - manages visibility of lines for folding +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include "Platform.h" + +#include "ContractionState.h" + +OneLine::OneLine() { + displayLine = 0; + docLine = 0; + visible = true; + expanded = true; +} + +ContractionState::ContractionState() { + lines = 0; + size = 0; + linesInDoc = 1; + linesInDisplay = 1; + valid = false; +} + +ContractionState::~ContractionState() { + Clear(); +} + +void ContractionState::MakeValid() const { + if (!valid) { + // Could be cleverer by keeping the index of the last still valid entry + // rather than invalidating all. + int linePrev = -1; + int lineDisplay = 0; + for (int line=0; line<linesInDoc; line++) { + lines[line].displayLine = lineDisplay; + if (lines[line].visible) { + lines[lineDisplay].docLine = line; + lineDisplay++; + } + } + valid = true; + } +} + +void ContractionState::Clear() { + delete []lines; + lines = 0; + size = 0; + linesInDoc = 1; + linesInDisplay = 1; +} + +int ContractionState::LinesInDoc() const { + return linesInDoc; +} + +int ContractionState::LinesDisplayed() const { + return linesInDisplay; +} + +int ContractionState::DisplayFromDoc(int lineDoc) const { + if (size == 0) { + return lineDoc; + } + MakeValid(); + if ((lineDoc >= 0) && (lineDoc < linesInDoc)) { + return lines[lineDoc].displayLine; + } + return -1; +} + +int ContractionState::DocFromDisplay(int lineDisplay) const { + if (lineDisplay <= 0) + return 0; + if (lineDisplay >= linesInDisplay) + return linesInDoc-1; + if (size == 0) + return lineDisplay; + MakeValid(); + return lines[lineDisplay].docLine; +} + +void ContractionState::Grow(int sizeNew) { + OneLine *linesNew = new OneLine[sizeNew]; + if (linesNew) { + int i = 0; + for (; i < size; i++) { + linesNew[i] = lines[i]; + } + for (; i < sizeNew; i++) { + linesNew[i].displayLine = i; + } + delete []lines; + lines = linesNew; + size = sizeNew; + valid = false; + } else { + Platform::DebugPrintf("No memory available\n"); + // TODO: Blow up + } +} + +void ContractionState::InsertLines(int lineDoc, int lineCount) { + if (size == 0) { + linesInDoc += lineCount; + linesInDisplay += lineCount; + return; + } + //Platform::DebugPrintf("InsertLine[%d] = %d\n", lineDoc); + if ((linesInDoc + 2) >= size) { + Grow(size + growSize); + } + linesInDoc += lineCount; + linesInDisplay += lineCount; + for (int i = linesInDoc + 1; i >= lineDoc + lineCount; i--) { + lines[i].visible = lines[i - lineCount].visible; + lines[i].expanded = lines[i - lineCount].expanded; + } + for (int d=0;d<lineCount;d++) { + lines[lineDoc+d].visible = true; // Should inherit visibility from context ? + lines[lineDoc+d].expanded = true; + } + valid = false; +} + +void ContractionState::DeleteLines(int lineDoc, int lineCount) { + if (size == 0) { + linesInDoc -= lineCount; + linesInDisplay -= lineCount; + return; + } + int delta = 0; + for (int d=0;d<lineCount;d++) + if (lines[lineDoc+d].visible) + delta--; + for (int i = lineDoc; i < linesInDoc-lineCount; i++) { + lines[i].visible = lines[i + lineCount].visible; + lines[i].expanded = lines[i + lineCount].expanded; + } + linesInDoc -= lineCount; + linesInDisplay += delta; + valid = false; +} + +bool ContractionState::GetVisible(int lineDoc) const { + if (size == 0) + return true; + if ((lineDoc >= 0) && (lineDoc < linesInDoc)) { + return lines[lineDoc].visible; + } else { + return false; + } +} + +bool ContractionState::SetVisible(int lineDocStart, int lineDocEnd, bool visible) { + if (size == 0) { + Grow(lineDocEnd + growSize); + } + // TODO: modify docLine members to mirror displayLine + int delta = 0; + // Change lineDocs + if ((lineDocStart <= lineDocEnd) && (lineDocStart >= 0) && (lineDocEnd < linesInDoc)) { + for (int line=lineDocStart; line <= lineDocEnd; line++) { + if (lines[line].visible != visible) { + delta += visible ? 1 : -1; + lines[line].visible = visible; + } + lines[line].displayLine += delta; + } + if (delta != 0) { + for (int line=lineDocEnd+1; line <= linesInDoc; line++) { + lines[line].displayLine += delta; + } + } + } + linesInDisplay += delta; + valid = false; + return delta != 0; +} + +bool ContractionState::GetExpanded(int lineDoc) const { + if (size == 0) + return true; + if ((lineDoc >= 0) && (lineDoc < linesInDoc)) { + return lines[lineDoc].expanded; + } else { + return false; + } +} + +bool ContractionState::SetExpanded(int lineDoc, bool expanded) { + if (size == 0) { + Grow(lineDoc + growSize); + } + if ((lineDoc >= 0) && (lineDoc < linesInDoc)) { + if (lines[lineDoc].expanded != expanded) { + lines[lineDoc].expanded = expanded; + return true; + } + } + return false; +} diff --git a/src/ContractionState.h b/src/ContractionState.h new file mode 100644 index 000000000..9e17a7693 --- /dev/null +++ b/src/ContractionState.h @@ -0,0 +1,50 @@ +// Scintilla source code edit control +// ContractionState.h - manages visibility of lines for folding +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef CONTRACTIONSTATE_H +#define CONTRACTIONSTATE_H + +class OneLine { +public: + int displayLine; // position within set of visible lines + int docLine; // inverse of displayLine + bool visible; + bool expanded; + + OneLine(); + virtual ~OneLine() {} +}; + +class ContractionState { + void Grow(int sizeNew); + enum { growSize = 4000 }; + int linesInDoc; + int linesInDisplay; + mutable OneLine *lines; + int size; + mutable bool valid; + void MakeValid() const; +public: + ContractionState(); + virtual ~ContractionState(); + + void Clear(); + + int LinesInDoc() const; + int LinesDisplayed() const; + int DisplayFromDoc(int lineDoc) const; + int DocFromDisplay(int lineDisplay) const; + + void InsertLines(int lineDoc, int lineCount); + void DeleteLines(int lineDoc, int lineCount); + + bool GetVisible(int lineDoc) const; + bool SetVisible(int lineDocStart, int lineDocEnd, bool visible); + + bool GetExpanded(int lineDoc) const; + bool SetExpanded(int lineDoc, bool expanded); +}; + +#endif diff --git a/src/Document.cxx b/src/Document.cxx new file mode 100644 index 000000000..7d832241f --- /dev/null +++ b/src/Document.cxx @@ -0,0 +1,734 @@ +// Scintilla source code edit control +// Document.cxx - text document that handles notifications, DBCS, styling, words and end of line +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <ctype.h> + +#include "Platform.h" + +#include "Scintilla.h" +#include "SVector.h" +#include "CellBuffer.h" +#include "Document.h" + +Document::Document() { + refCount = 0; +#ifdef unix + eolMode = SC_EOL_LF; +#else + eolMode = SC_EOL_CRLF; +#endif + dbcsCodePage = 0; + stylingBits = 5; + stylingBitsMask = 0x1F; + stylingPos = 0; + stylingMask = 0; + for (int ch = 0; ch < 256; ch++) { + wordchars[ch] = isalnum(ch) || ch == '_'; + } + endStyled = 0; + enteredCount = 0; + tabInChars = 8; + watchers = 0; + lenWatchers = 0; +} + +Document::~Document() { + for (int i = 0; i < lenWatchers; i++) { + watchers[i].watcher->NotifyDeleted(this, watchers[i].userData); + } + delete []watchers; + watchers = 0; + lenWatchers = 0; +} + +// Increase reference count and return its previous value. +int Document::AddRef() { + return refCount++; +} + +// Decrease reference count and return its provius value. +// Delete the document if reference count reaches zero. +int Document::Release() { + int curRefCount = --refCount; + if (curRefCount == 0) + delete this; + return curRefCount; +} + +void Document::SetSavePoint() { + cb.SetSavePoint(); + NotifySavePoint(true); +} + +int Document::LineStart(int line) { + return cb.LineStart(line); +} + +int Document::LineFromPosition(int pos) { + return cb.LineFromPosition(pos); +} + +int Document::LineEndPosition(int position) { + int line = LineFromPosition(position); + if (line == LinesTotal() - 1) { + position = LineStart(line + 1); + } else { + position = LineStart(line + 1) - 1; + // When line terminator is CR+LF, may need to go back one more + if ((position > LineStart(line)) && (cb.CharAt(position - 1) == '\r')) { + position--; + } + } + return position; +} + +int Document::VCHomePosition(int position) { + int line = LineFromPosition(position); + int startPosition = LineStart(line); + int endLine = LineStart(line + 1) - 1; + int startText = startPosition; + while (startText < endLine && (cb.CharAt(startText) == ' ' || cb.CharAt(startText) == '\t' ) ) + startText++; + if (position == startText) + return startPosition; + else + return startText; +} + +int Document::SetLevel(int line, int level) { + int prev = cb.SetLevel(line, level); + if (prev != level) { + DocModification mh(SC_MOD_CHANGEFOLD, LineStart(line), 0, 0, 0); + mh.line = line; + mh.foldLevelNow = level; + mh.foldLevelPrev = prev; + NotifyModified(mh); + } + return prev; +} + +static bool IsSubordinate(int levelStart, int levelTry) { + if (levelTry & SC_FOLDLEVELWHITEFLAG) + return true; + else + return (levelStart & SC_FOLDLEVELNUMBERMASK) < (levelTry & SC_FOLDLEVELNUMBERMASK); +} + +int Document::GetLastChild(int lineParent, int level) { + if (level == -1) + level = GetLevel(lineParent) & SC_FOLDLEVELNUMBERMASK; + int maxLine = LinesTotal(); + int lineMaxSubord = lineParent; + while ((lineMaxSubord < maxLine-1) && IsSubordinate(level, GetLevel(lineMaxSubord+1))) { + lineMaxSubord++; + } + if (lineMaxSubord > lineParent) { + if (level > (GetLevel(lineMaxSubord+1) & SC_FOLDLEVELNUMBERMASK)) { + // Have chewed up some whitespace that belongs to a parent so seek back + if ((lineMaxSubord > lineParent) && (GetLevel(lineMaxSubord) & SC_FOLDLEVELWHITEFLAG)) { + lineMaxSubord--; + } + } + } + return lineMaxSubord; +} + +int Document::GetFoldParent(int line) { + int level = GetLevel(line); + int lineLook = line-1; + while ((lineLook > 0) && ( + (!(GetLevel(lineLook) & SC_FOLDLEVELHEADERFLAG)) || + ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) >= level)) + ) { + lineLook--; + } + if ((GetLevel(lineLook) & SC_FOLDLEVELHEADERFLAG) && + ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) < level)) { + return lineLook; + } else { + return -1; + } +} + +int Document::ClampPositionIntoDocument(int pos) { + return Platform::Clamp(pos, 0, Length()); +} + +bool Document::IsCrLf(int pos) { + if (pos < 0) + return false; + if (pos >= (Length() - 1)) + return false; + return (cb.CharAt(pos) == '\r') && (cb.CharAt(pos + 1) == '\n'); +} + +bool Document::IsDBCS(int pos) { +#if PLAT_WIN + if (dbcsCodePage) { + // Anchor DBCS calculations at start of line because start of line can + // not be a DBCS trail byte. + int startLine = pos; + while (startLine > 0 && cb.CharAt(startLine) != '\r' && cb.CharAt(startLine) != '\n') + startLine--; + while (startLine <= pos) { + if (IsDBCSLeadByteEx(dbcsCodePage, cb.CharAt(startLine))) { + startLine++; + if (startLine >= pos) + return true; + } + startLine++; + } + } + return false; +#else + return false; +#endif +} + +// Normalise a position so that it is not halfway through a two byte character. +// This can occur in two situations - +// When lines are terminated with \r\n pairs which should be treated as one character. +// When displaying DBCS text such as Japanese. +// If moving, move the position in the indicated direction. +int Document::MovePositionOutsideChar(int pos, int moveDir, bool checkLineEnd) { + //Platform::DebugPrintf("NoCRLF %d %d\n", pos, moveDir); + // If out of range, just return value - should be fixed up after + if (pos < 0) + return pos; + if (pos > Length()) + return pos; + + // Position 0 and Length() can not be between any two characters + if (pos == 0) + return pos; + if (pos == Length()) + return pos; + + // assert pos > 0 && pos < Length() + if (checkLineEnd && IsCrLf(pos - 1)) { + if (moveDir > 0) + return pos + 1; + else + return pos - 1; + } + + // Not between CR and LF + +#if PLAT_WIN + if (dbcsCodePage) { + // Anchor DBCS calculations at start of line because start of line can + // not be a DBCS trail byte. + int startLine = pos; + while (startLine > 0 && cb.CharAt(startLine) != '\r' && cb.CharAt(startLine) != '\n') + startLine--; + bool atLeadByte = false; + while (startLine < pos) { + if (atLeadByte) + atLeadByte = false; + else if (IsDBCSLeadByteEx(dbcsCodePage, cb.CharAt(startLine))) + atLeadByte = true; + else + atLeadByte = false; + startLine++; + //Platform::DebugPrintf("DBCS %s\n", atlead ? "D" : "-"); + } + + if (atLeadByte) { + // Position is between a lead byte and a trail byte + if (moveDir > 0) + return pos + 1; + else + return pos - 1; + } + } +#endif + + return pos; +} + +void Document::ModifiedAt(int pos) { + if (endStyled > pos) + endStyled = pos; +} + +// Document only modified by gateways DeleteChars, InsertStyledString, Undo, Redo, and SetStyleAt. +// SetStyleAt does not change the persistent state of a document + +// Unlike Undo, Redo, and InsertStyledString, the pos argument is a cell number not a char number +void Document::DeleteChars(int pos, int len) { + if (enteredCount == 0) { + enteredCount++; + if (cb.IsReadOnly()) + NotifyModifyAttempt(); + if (!cb.IsReadOnly()) { + int prevLinesTotal = LinesTotal(); + bool startSavePoint = cb.IsSavePoint(); + const char *text = cb.DeleteChars(pos*2, len * 2); + if (startSavePoint && cb.IsCollectingUndo()) + NotifySavePoint(!startSavePoint); + ModifiedAt(pos); + int modFlags = SC_MOD_DELETETEXT | SC_PERFORMED_USER; + DocModification mh(modFlags, pos, len, LinesTotal() - prevLinesTotal, text); + NotifyModified(mh); + } + enteredCount--; + } +} + +void Document::InsertStyledString(int position, char *s, int insertLength) { + if (enteredCount == 0) { + enteredCount++; + if (cb.IsReadOnly()) + NotifyModifyAttempt(); + if (!cb.IsReadOnly()) { + int prevLinesTotal = LinesTotal(); + bool startSavePoint = cb.IsSavePoint(); + const char *text = cb.InsertString(position, s, insertLength); + if (startSavePoint && cb.IsCollectingUndo()) + NotifySavePoint(!startSavePoint); + ModifiedAt(position / 2); + + int modFlags = SC_MOD_INSERTTEXT | SC_PERFORMED_USER; + DocModification mh(modFlags, position / 2, insertLength / 2, LinesTotal() - prevLinesTotal, text); + NotifyModified(mh); + } + enteredCount--; + } +} + +int Document::Undo() { + int newPos = 0; + if (enteredCount == 0) { + enteredCount++; + bool startSavePoint = cb.IsSavePoint(); + int steps = cb.StartUndo(); + for (int step=0; step<steps; step++) { + int prevLinesTotal = LinesTotal(); + const Action &action = cb.UndoStep(); + int cellPosition = action.position / 2; + ModifiedAt(cellPosition); + newPos = cellPosition; + + int modFlags = SC_PERFORMED_UNDO; + // With undo, an insertion action becomes a deletion notification + if (action.at == removeAction) { + newPos += action.lenData; + modFlags |= SC_MOD_INSERTTEXT; + } else { + modFlags |= SC_MOD_DELETETEXT; + } + if (step == steps-1) + modFlags |= SC_LASTSTEPINUNDOREDO; + NotifyModified(DocModification(modFlags, cellPosition, action.lenData, + LinesTotal() - prevLinesTotal, action.data)); + } + + bool endSavePoint = cb.IsSavePoint(); + if (startSavePoint != endSavePoint) + NotifySavePoint(endSavePoint); + enteredCount--; + } + return newPos; +} + +int Document::Redo() { + int newPos = 0; + if (enteredCount == 0) { + enteredCount++; + bool startSavePoint = cb.IsSavePoint(); + int steps = cb.StartRedo(); + for (int step=0; step<steps; step++) { + int prevLinesTotal = LinesTotal(); + const Action &action = cb.RedoStep(); + int cellPosition = action.position / 2; + ModifiedAt(cellPosition); + newPos = cellPosition; + + int modFlags = SC_PERFORMED_REDO; + if (action.at == insertAction) { + newPos += action.lenData; + modFlags |= SC_MOD_INSERTTEXT; + } else { + modFlags |= SC_MOD_DELETETEXT; + } + if (step == steps-1) + modFlags |= SC_LASTSTEPINUNDOREDO; + NotifyModified(DocModification(modFlags, cellPosition, action.lenData, + LinesTotal() - prevLinesTotal, action.data)); + } + + bool endSavePoint = cb.IsSavePoint(); + if (startSavePoint != endSavePoint) + NotifySavePoint(endSavePoint); + enteredCount--; + } + return newPos; +} + +void Document::InsertChar(int pos, char ch) { + char chs[2]; + chs[0] = ch; + chs[1] = 0; + InsertStyledString(pos*2, chs, 2); +} + +// Insert a null terminated string +void Document::InsertString(int position, const char *s) { + InsertString(position, s, strlen(s)); +} + +// Insert a string with a length +void Document::InsertString(int position, const char *s, int insertLength) { + char *sWithStyle = new char[insertLength * 2]; + if (sWithStyle) { + for (int i = 0; i < insertLength; i++) { + sWithStyle[i*2] = s[i]; + sWithStyle[i*2 + 1] = 0; + } + InsertStyledString(position*2, sWithStyle, insertLength*2); + delete []sWithStyle; + } +} + +void Document::DelChar(int pos) { + if (IsCrLf(pos)) { + DeleteChars(pos, 2); + } else if (IsDBCS(pos)) { + DeleteChars(pos, 2); + } else if (pos < Length()) { + DeleteChars(pos, 1); + } +} + +int Document::DelCharBack(int pos) { + if (pos <= 0) { + return pos; + } else if (IsCrLf(pos - 2)) { + DeleteChars(pos - 2, 2); + return pos - 2; + } else if (IsDBCS(pos - 1)) { + DeleteChars(pos - 2, 2); + return pos - 2; + } else { + DeleteChars(pos - 1, 1); + return pos - 1; + } +} + +void Document::Indent(bool forwards, int lineBottom, int lineTop) { + if (forwards) { + // Indent by a tab + for (int line = lineBottom; line >= lineTop; line--) { + InsertChar(LineStart(line), '\t'); + } + } else { + // Dedent - suck white space off the front of the line to dedent by equivalent of a tab + for (int line = lineBottom; line >= lineTop; line--) { + int ispc = 0; + while (ispc < tabInChars && cb.CharAt(LineStart(line) + ispc) == ' ') + ispc++; + int posStartLine = LineStart(line); + if (ispc == tabInChars) { + DeleteChars(posStartLine, ispc); + } else if (cb.CharAt(posStartLine + ispc) == '\t') { + DeleteChars(posStartLine, ispc + 1); + } else { // Hit a non-white + DeleteChars(posStartLine, ispc); + } + } + } +} + +void Document::ConvertLineEnds(int eolModeSet) { + BeginUndoAction(); + for (int pos = 0; pos < Length(); pos++) { + if (cb.CharAt(pos) == '\r') { + if (cb.CharAt(pos+1) == '\n') { + if (eolModeSet != SC_EOL_CRLF) { + DeleteChars(pos, 2); + if (eolModeSet == SC_EOL_CR) + InsertString(pos, "\r", 1); + else + InsertString(pos, "\n", 1); + } else { + pos++; + } + } else { + if (eolModeSet != SC_EOL_CR) { + DeleteChars(pos, 1); + if (eolModeSet == SC_EOL_CRLF) { + InsertString(pos, "\r\n", 2); + pos++; + } else { + InsertString(pos, "\n", 1); + } + } + } + } else if (cb.CharAt(pos) == '\n') { + if (eolModeSet != SC_EOL_LF) { + DeleteChars(pos, 1); + if (eolModeSet == SC_EOL_CRLF) { + InsertString(pos, "\r\n", 2); + pos++; + } else { + InsertString(pos, "\r", 1); + } + } + } + } + EndUndoAction(); +} + +bool Document::IsWordChar(unsigned char ch) { + return wordchars[ch]; +} + +int Document::ExtendWordSelect(int pos, int delta) { + if (delta < 0) { + while (pos > 0 && IsWordChar(cb.CharAt(pos - 1))) + pos--; + } else { + while (pos < (Length()) && IsWordChar(cb.CharAt(pos))) + pos++; + } + return pos; +} + +int Document::NextWordStart(int pos, int delta) { + if (delta < 0) { + while (pos > 0 && (cb.CharAt(pos - 1) == ' ' || cb.CharAt(pos - 1) == '\t')) + pos--; + if (isspace(cb.CharAt(pos - 1))) { // Back up to previous line + while (pos > 0 && isspace(cb.CharAt(pos - 1))) + pos--; + } else { + bool startAtWordChar = IsWordChar(cb.CharAt(pos - 1)); + while (pos > 0 && !isspace(cb.CharAt(pos - 1)) && (startAtWordChar == IsWordChar(cb.CharAt(pos - 1)))) + pos--; + } + } else { + bool startAtWordChar = IsWordChar(cb.CharAt(pos)); + while (pos < (Length()) && isspace(cb.CharAt(pos))) + pos++; + while (pos < (Length()) && !isspace(cb.CharAt(pos)) && (startAtWordChar == IsWordChar(cb.CharAt(pos)))) + pos++; + while (pos < (Length()) && (cb.CharAt(pos) == ' ' || cb.CharAt(pos) == '\t')) + pos++; + } + return pos; +} + +bool Document::IsWordAt(int start, int end) { + int lengthDoc = Length(); + if (start > 0) { + char ch = CharAt(start - 1); + if (IsWordChar(ch)) + return false; + } + if (end < lengthDoc - 1) { + char ch = CharAt(end); + if (IsWordChar(ch)) + return false; + } + return true; +} + +// Find text in document, supporting both forward and backward +// searches (just pass minPos > maxPos to do a backward search) +// Has not been tested with backwards DBCS searches yet. +long Document::FindText(int minPos, int maxPos, const char *s, bool caseSensitive, bool word) { + bool forward = minPos <= maxPos; + int increment = forward ? 1 : -1; + + // Range endpoints should not be inside DBCS characters, but just in case, move them. + int startPos = MovePositionOutsideChar(minPos, increment, false); + int endPos = MovePositionOutsideChar(maxPos, increment, false); + + // Compute actual search ranges needed + int lengthFind = strlen(s); + int endSearch = 0; + if (startPos <= endPos) { + endSearch = endPos - lengthFind + 1; + } else { + endSearch = endPos; + } + //Platform::DebugPrintf("Find %d %d %s %d\n", startPos, endPos, ft->lpstrText, lengthFind); + char firstChar = s[0]; + if (!caseSensitive) + firstChar = toupper(firstChar); + int pos = startPos; + while (forward ? (pos < endSearch) : (pos >= endSearch)) { + char ch = CharAt(pos); + if (caseSensitive) { + if (ch == firstChar) { + bool found = true; + for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) { + ch = CharAt(pos + posMatch); + if (ch != s[posMatch]) + found = false; + } + if (found) { + if ((!word) || IsWordAt(pos, pos + lengthFind)) + return pos; + } + } + } else { + if (toupper(ch) == firstChar) { + bool found = true; + for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) { + ch = CharAt(pos + posMatch); + if (toupper(ch) != toupper(s[posMatch])) + found = false; + } + if (found) { + if ((!word) || IsWordAt(pos, pos + lengthFind)) + return pos; + } + } + } + pos += increment; + if (dbcsCodePage) { + // Ensure trying to match from start of character + pos = MovePositionOutsideChar(pos, increment, false); + } + } + //Platform::DebugPrintf("Not found\n"); + return - 1; +} + +int Document::LinesTotal() { + return cb.Lines(); +} + +void Document::SetWordChars(unsigned char *chars) { + int ch; + for (ch = 0; ch < 256; ch++) { + wordchars[ch] = false; + } + if (chars) { + while (*chars) { + wordchars[*chars] = true; + chars++; + } + } else { + for (ch = 0; ch < 256; ch++) { + wordchars[ch] = isalnum(ch) || ch == '_'; + } + } +} + +void Document::SetStylingBits(int bits) { + stylingBits = bits; + stylingBitsMask = 0; + for (int bit=0; bit<stylingBits; bit++) { + stylingBitsMask <<= 1; + stylingBitsMask |= 1; + } +} + +void Document::StartStyling(int position, char mask) { + stylingPos = position; + stylingMask = mask; +} + +void Document::SetStyleFor(int length, char style) { + if (enteredCount == 0) { + enteredCount++; + int prevEndStyled = endStyled; + if (cb.SetStyleFor(stylingPos, length, style, stylingMask)) { + DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER, + prevEndStyled, length); + NotifyModified(mh); + } + stylingPos += length; + endStyled = stylingPos; + enteredCount--; + } +} + +void Document::SetStyles(int length, char *styles) { + if (enteredCount == 0) { + enteredCount++; + int prevEndStyled = endStyled; + bool didChange = false; + for (int iPos = 0; iPos < length; iPos++, stylingPos++) { + if (cb.SetStyleAt(stylingPos, styles[iPos], stylingMask)) { + didChange = true; + } + } + endStyled = stylingPos; + if (didChange) { + DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER, + prevEndStyled, endStyled - prevEndStyled); + NotifyModified(mh); + } + enteredCount--; + } +} + +bool Document::AddWatcher(DocWatcher *watcher, void *userData) { + for (int i = 0; i < lenWatchers; i++) { + if ((watchers[i].watcher == watcher) && + (watchers[i].userData == userData)) + return false; + } + WatcherWithUserData *pwNew = new WatcherWithUserData[lenWatchers + 1]; + if (!pwNew) + return false; + for (int j = 0; j < lenWatchers; j++) + pwNew[j] = watchers[j]; + pwNew[lenWatchers].watcher = watcher; + pwNew[lenWatchers].userData = userData; + delete []watchers; + watchers = pwNew; + lenWatchers++; + return true; +} + +bool Document::RemoveWatcher(DocWatcher *watcher, void *userData) { + for (int i = 0; i < lenWatchers; i++) { + if ((watchers[i].watcher == watcher) && + (watchers[i].userData == userData)) { + if (lenWatchers == 1) { + delete []watchers; + watchers = 0; + lenWatchers = 0; + } else { + WatcherWithUserData *pwNew = new WatcherWithUserData[lenWatchers]; + if (!pwNew) + return false; + for (int j = 0; j < lenWatchers - 1; j++) { + pwNew[j] = (j < i) ? watchers[j] : watchers[j + 1]; + } + delete []watchers; + watchers = pwNew; + lenWatchers--; + } + return true; + } + } + return false; +} + +void Document::NotifyModifyAttempt() { + for (int i = 0; i < lenWatchers; i++) { + watchers[i].watcher->NotifyModifyAttempt(this, watchers[i].userData); + } +} + +void Document::NotifySavePoint(bool atSavePoint) { + for (int i = 0; i < lenWatchers; i++) { + watchers[i].watcher->NotifySavePoint(this, watchers[i].userData, atSavePoint); + } +} + +void Document::NotifyModified(DocModification mh) { + for (int i = 0; i < lenWatchers; i++) { + watchers[i].watcher->NotifyModified(this, mh, watchers[i].userData); + } +} diff --git a/src/Document.h b/src/Document.h new file mode 100644 index 000000000..fba611c7f --- /dev/null +++ b/src/Document.h @@ -0,0 +1,222 @@ +// Scintilla source code edit control +// Document.h - text document that handles notifications, DBCS, styling, words and end of line +// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> +// The License.txt file describes the conditions under which this software may be distributed. + +#ifndef DOCUMENT_H +#define DOCUMENT_H + +// A Position is a position within a document between two characters or at the beginning or end. +// Sometimes used as a character index where it identifies the character after the position. +typedef int Position; +const Position invalidPosition = -1; + +// The range class represents a range of text in a document. +// The two values are not sorted as one end may be more significant than the other +// as is the case for the selection where the end position is the position of the caret. +// If either position is invalidPosition then the range is invalid and most operations will fail. +class Range { +public: + Position start; + Position end; + + Range(Position pos=0) : + start(pos), end(pos) { + }; + Range(Position start_, Position end_) : + start(start_), end(end_) { + }; + + bool Valid() const { + return (start != invalidPosition) && (end != invalidPosition); + } + + bool Contains(Position pos) const { + if (start < end) { + return (pos >= start && pos <= end); + } else { + return (pos <= start && pos >= end); + } + } + + bool Contains(Range other) const { + return Contains(other.start) && Contains(other.end); + } + + bool Overlaps(Range other) const { + return + Contains(other.start) || + Contains(other.end) || + other.Contains(start) || + other.Contains(end); + } +}; + +class DocWatcher; +class DocModification; + +class Document { + +public: + // Used to pair watcher pointer with user data + class WatcherWithUserData { + public: + DocWatcher *watcher; + void *userData; + WatcherWithUserData() { + watcher = 0; + userData = 0; + } + }; + +private: + int refCount; + CellBuffer cb; + bool wordchars[256]; + int stylingPos; + int stylingMask; + int endStyled; + int enteredCount; + + WatcherWithUserData *watchers; + int lenWatchers; + +public: + int stylingBits; + int stylingBitsMask; + + int eolMode; + int dbcsCodePage; + int tabInChars; + + Document(); + virtual ~Document(); + + int AddRef(); + int Release(); + + int LineFromPosition(int pos); + int ClampPositionIntoDocument(int pos); + bool IsCrLf(int pos); + int MovePositionOutsideChar(int pos, int moveDir, bool checkLineEnd=true); + + // Gateways to modifying document + void DeleteChars(int pos, int len); + void InsertStyledString(int position, char *s, int insertLength); + int Undo(); + int Redo(); + bool CanUndo() { return cb.CanUndo(); } + bool CanRedo() { return cb.CanRedo(); } + void DeleteUndoHistory() { cb.DeleteUndoHistory(); } + undoCollectionType SetUndoCollection(undoCollectionType collectUndo) { + return cb.SetUndoCollection(collectUndo); + } + void AppendUndoStartAction() { cb.AppendUndoStartAction(); } + void BeginUndoAction() { cb.BeginUndoAction(); } + void EndUndoAction() { cb.EndUndoAction(); } + void SetSavePoint(); + bool IsSavePoint() { return cb.IsSavePoint(); } + void Indent(bool forwards, int lineBottom, int lineTop); + void ConvertLineEnds(int eolModeSet); + void SetReadOnly(bool set) { cb.SetReadOnly(set); } + + void InsertChar(int pos, char ch); + void InsertString(int position, const char *s); + void InsertString(int position, const char *s, int insertLength); + void DelChar(int pos); + int DelCharBack(int pos); + + char CharAt(int position) { return cb.CharAt(position); } + void GetCharRange(char *buffer, int position, int lengthRetrieve) { + cb.GetCharRange(buffer, position, lengthRetrieve); + } + char StyleAt(int position) { return cb.StyleAt(position); } + int GetMark(int line) { return cb.GetMark(line); } + int AddMark(int line, int markerNum) { return cb.AddMark(line, markerNum); } + void DeleteMark(int line, int markerNum) { cb.DeleteMark(line, markerNum); } + void DeleteMarkFromHandle(int markerHandle) { cb.DeleteMarkFromHandle(markerHandle); } + void DeleteAllMarks(int markerNum) { cb.DeleteAllMarks(markerNum); } + int LineFromHandle(int markerHandle) { return cb.LineFromHandle(markerHandle); } + int LineStart(int line); + int LineEndPosition(int position); + int VCHomePosition(int position); + + int SetLevel(int line, int level); + int GetLevel(int line) { return cb.GetLevel(line); } + int GetLastChild(int lineParent, int level=-1); + int GetFoldParent(int line); + + void Indent(bool forwards); + int ExtendWordSelect(int pos, int delta); + int NextWordStart(int pos, int delta); + int Length() { return cb.Length(); } + long FindText(int minPos, int maxPos, const char *s, bool caseSensitive, bool word); + long FindText(WORD iMessage,WPARAM wParam,LPARAM lParam); + int LinesTotal(); + + void SetWordChars(unsigned char *chars); + void SetStylingBits(int bits); + void StartStyling(int position, char mask); + void SetStyleFor(int length, char style); + void SetStyles(int length, char *styles); + int GetEndStyled() { return endStyled; } + + int SetLineState(int line, int state) { return cb.SetLineState(line, state); } + int GetLineState(int line) { return cb.GetLineState(line); } + int GetMaxLineState() { return cb.GetMaxLineState(); } + + bool AddWatcher(DocWatcher *watcher, void *userData); + bool RemoveWatcher(DocWatcher *watcher, void *userData); + const WatcherWithUserData *GetWatchers() const { return watchers; } + int GetLenWatchers() const { return lenWatchers; } + +private: + bool IsDBCS(int pos); + bool IsWordChar(unsigned char ch); + bool IsWordAt(int start, int end); + void ModifiedAt(int pos); + + void NotifyModifyAttempt(); + void NotifySavePoint(bool atSavePoint); + void NotifyModified(DocModification mh); +}; + +// To optimise processing of document modifications by DocWatchers, a hint is passed indicating the +// scope of the change. +// If the DocWatcher is a document view then this can be used to optimise screen updating. +class DocModification { +public: + int modificationType; + int position; + int length; + int linesAdded; // Negative if lines deleted + const char *text; // Only valid for changes to text, not for changes to style + int line; + int foldLevelNow; + int foldLevelPrev; + + DocModification(int modificationType_, int position_=0, int length_=0, + int linesAdded_=0, const char *text_=0) : + modificationType(modificationType_), + position(position_), + length(length_), + linesAdded(linesAdded_), + text(text_), + line(0), + foldLevelNow(0), + foldLevelPrev(0) {} +}; + +// A class that wants to receive notifications from a Document must be derived from DocWatcher +// and implement the notification methods. It can then be added to the watcher list with AddWatcher. +class DocWatcher { +public: + virtual ~DocWatcher() {} + + virtual void NotifyModifyAttempt(Document *doc, void *userData) = 0; + virtual void NotifySavePoint(Document *doc, void *userData, bool atSavePoint) = 0; + virtual void NotifyModified(Document *doc, DocModification mh, void *userData) = 0; + virtual void NotifyDeleted(Document *doc, void *userData) = 0; +}; + +#endif |