/** * Implementation of the native Cocoa View that serves as container for the scintilla parts. * * Created by Mike Lischke. * * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt). */ #import "ScintillaView.h" using namespace Scintilla; // Two additional cursors we need, which aren't provided by Cocoa. static NSCursor* reverseArrowCursor; static NSCursor* waitCursor; // The scintilla indicator used for keyboard input. #define INPUT_INDICATOR INDIC_MAX - 1 @implementation InnerView @synthesize owner = mOwner; //-------------------------------------------------------------------------------------------------- - (NSView*) initWithFrame: (NSRect) frame { self = [super initWithFrame: frame]; if (self != nil) { // Some initialization for our view. mCurrentCursor = [NSCursor arrowCursor]; mCurrentTrackingRect = 0; mMarkedTextRange = NSMakeRange(NSNotFound, 0); [self registerForDraggedTypes:[NSArray arrayWithObjects: NSStringPboardType, NSHTMLPboardType, NSFilenamesPboardType, nil]]; } return self; } //-------------------------------------------------------------------------------------------------- /** * When the view is resized we need to update our tracking rectangle and let the backend know. */ - (void) setFrame: (NSRect) frame { [super setFrame: frame]; // Make the content also a tracking rectangle for mouse events. if (mCurrentTrackingRect != 0) [self removeTrackingRect: mCurrentTrackingRect]; mCurrentTrackingRect = [self addTrackingRect: [self bounds] owner: self userData: nil assumeInside: YES]; mOwner.backend->Resize(); } //-------------------------------------------------------------------------------------------------- /** * Called by the backend if a new cursor must be set for the view. */ - (void) setCursor: (Window::Cursor) cursor { switch (cursor) { case Window::cursorText: mCurrentCursor = [NSCursor IBeamCursor]; break; case Window::cursorArrow: mCurrentCursor = [NSCursor arrowCursor]; break; case Window::cursorWait: mCurrentCursor = waitCursor; break; case Window::cursorHoriz: mCurrentCursor = [NSCursor resizeLeftRightCursor]; break; case Window::cursorVert: mCurrentCursor = [NSCursor resizeUpDownCursor]; break; case Window::cursorReverseArrow: mCurrentCursor = reverseArrowCursor; break; case Window::cursorUp: default: mCurrentCursor = [NSCursor arrowCursor]; break; } // Trigger recreation of the cursor rectangle(s). [[self window] invalidateCursorRectsForView: self]; } //-------------------------------------------------------------------------------------------------- /** * This method is called to give us the opportunity to define our mouse sensitive rectangle. */ - (void) resetCursorRects { [super resetCursorRects]; // We only have one cursor rect: our bounds. NSRect bounds = [self bounds]; [self addCursorRect: [self bounds] cursor: mCurrentCursor]; [mCurrentCursor setOnMouseEntered: YES]; } //-------------------------------------------------------------------------------------------------- /** * Gets called by the runtime when the view needs repainting. */ - (void) drawRect: (NSRect) rect { CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort]; mOwner.backend->Draw(rect, context); } //-------------------------------------------------------------------------------------------------- /** * Windows uses a client coordinate system where the upper left corner is the origin in a window. * We have to adjust for that. However by returning YES here, we are already done with that. * Note that because of returning YES here most coordinates we use now (e.g. for painting, * invalidating rectangles etc.) are given with +Y pointing down! */ - (BOOL) isFlipped { return YES; } //-------------------------------------------------------------------------------------------------- - (BOOL) isOpaque { return YES; } //-------------------------------------------------------------------------------------------------- /** * Implement the "click through" behavior by telling the caller we accept the first mouse event too. */ - (BOOL) acceptsFirstMouse: (NSEvent *) theEvent { return YES; } //-------------------------------------------------------------------------------------------------- /** * Make this view accepting events as first responder. */ - (BOOL) acceptsFirstResponder { return YES; } //-------------------------------------------------------------------------------------------------- // Adoption of NSTextInput protocol. - (NSAttributedString*) attributedSubstringFromRange: (NSRange) range { return nil; } //-------------------------------------------------------------------------------------------------- - (NSUInteger) characterIndexForPoint: (NSPoint) point { return NSNotFound; } //-------------------------------------------------------------------------------------------------- - (NSInteger) conversationIdentifier { return (NSInteger) self; } //-------------------------------------------------------------------------------------------------- - (void) doCommandBySelector: (SEL) selector { if ([self respondsToSelector:@selector(selector)]) [self performSelector: selector withObject: nil]; } //-------------------------------------------------------------------------------------------------- - (NSRect) firstRectForCharacterRange: (NSRange) range { return NSZeroRect; } //-------------------------------------------------------------------------------------------------- - (BOOL) hasMarkedText { return mMarkedTextRange.length > 0; } //-------------------------------------------------------------------------------------------------- /** * General text input. Used to insert new text at the current input position, replacing the current * selection if there is any. */ - (void) insertText: (id) aString { // Remove any previously marked text first. [self removeMarkedText]; mOwner.backend->InsertText((NSString*) aString); } //-------------------------------------------------------------------------------------------------- - (NSRange) markedRange { return mMarkedTextRange; } //-------------------------------------------------------------------------------------------------- - (NSRange) selectedRange { int begin = [mOwner getGeneralProperty: SCI_GETSELECTIONSTART parameter: 0]; int end = [mOwner getGeneralProperty: SCI_GETSELECTIONEND parameter: 0]; return NSMakeRange(begin, end - begin); } //-------------------------------------------------------------------------------------------------- /** * Called by the input manager to set text which might be combined with further input to form * the final text (e.g. composition of ^ and a to รข). * * @param aString The text to insert, either what has been marked already or what is selected already * or simply added at the current insertion point. Depending on what is available. * @param range The range of the new text to select (given relative to the insertion point of the new text). */ - (void) setMarkedText: (id) aString selectedRange: (NSRange) range { // Since we did not return any valid attribute for marked text (see validAttributesForMarkedText) // we can safely assume the passed in text is an NSString instance. NSString* newText = (NSString*) aString; int currentPosition = [mOwner getGeneralProperty: SCI_GETCURRENTPOS parameter: 0]; // Replace marked text if there is one. if (mMarkedTextRange.length > 0) { // We have already marked text. Replace that. [mOwner setGeneralProperty: SCI_SETSELECTIONSTART parameter: mMarkedTextRange.location value: 0]; [mOwner setGeneralProperty: SCI_SETSELECTIONEND parameter: mMarkedTextRange.location + mMarkedTextRange.length value: 0]; currentPosition = mMarkedTextRange.location; } mOwner.backend->InsertText(newText); mMarkedTextRange.location = currentPosition; mMarkedTextRange.length = [newText length]; // Mark the just inserted text. Keep the marked range for later reset. [mOwner setGeneralProperty: SCI_SETINDICATORCURRENT parameter: INPUT_INDICATOR value: 0]; [mOwner setGeneralProperty: SCI_INDICATORFILLRANGE parameter: mMarkedTextRange.location value: mMarkedTextRange.length]; // Select the part which is indicated in the given range. if (range.length > 0) { [mOwner setGeneralProperty: SCI_SETSELECTIONSTART parameter: currentPosition + range.location value: 0]; [mOwner setGeneralProperty: SCI_SETSELECTIONEND parameter: currentPosition + range.location + range.length value: 0]; } } //-------------------------------------------------------------------------------------------------- - (void) unmarkText { if (mMarkedTextRange.length > 0) { [mOwner setGeneralProperty: SCI_SETINDICATORCURRENT parameter: INPUT_INDICATOR value: 0]; [mOwner setGeneralProperty: SCI_INDICATORCLEARRANGE parameter: mMarkedTextRange.location value: mMarkedTextRange.length]; mMarkedTextRange = NSMakeRange(NSNotFound, 0); } } //-------------------------------------------------------------------------------------------------- /** * Removes any currently marked text. */ - (void) removeMarkedText { if (mMarkedTextRange.length > 0) { // We have already marked text. Replace that. [mOwner setGeneralProperty: SCI_SETSELECTIONSTART parameter: mMarkedTextRange.location value: 0]; [mOwner setGeneralProperty: SCI_SETSELECTIONEND parameter: mMarkedTextRange.location + mMarkedTextRange.length value: 0]; mOwner.backend->InsertText(@""); mMarkedTextRange = NSMakeRange(NSNotFound, 0); } } //-------------------------------------------------------------------------------------------------- - (NSArray*) validAttributesForMarkedText { return nil; } // End of the NSTextInput protocol adoption. //-------------------------------------------------------------------------------------------------- /** * Generic input method. It is used to pass on keyboard input to Scintilla. The control itself only * handles shortcuts. The input is then forwarded to the Cocoa text input system, which in turn does * its own input handling (character composition via NSTextInput protocol): */ - (void) keyDown: (NSEvent *) theEvent { mOwner.backend->KeyboardInput(theEvent); NSArray* events = [NSArray arrayWithObject: theEvent]; [self interpretKeyEvents: events]; } //-------------------------------------------------------------------------------------------------- - (void) mouseDown: (NSEvent *) theEvent { mOwner.backend->MouseDown(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) mouseDragged: (NSEvent *) theEvent { mOwner.backend->MouseMove(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) mouseUp: (NSEvent *) theEvent { mOwner.backend->MouseUp(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) mouseMoved: (NSEvent *) theEvent { mOwner.backend->MouseMove(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) mouseEntered: (NSEvent *) theEvent { mOwner.backend->MouseEntered(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) mouseExited: (NSEvent *) theEvent { mOwner.backend->MouseExited(theEvent); } //-------------------------------------------------------------------------------------------------- - (void) scrollWheel: (NSEvent *) theEvent { mOwner.backend->MouseWheel(theEvent); } //-------------------------------------------------------------------------------------------------- /** * The editor is getting the foreground control (the one getting the input focus). */ - (BOOL) becomeFirstResponder { mOwner.backend->WndProc(SCI_SETFOCUS, 1, 0); return YES; } //-------------------------------------------------------------------------------------------------- /** * The editor is losing the input focus. */ - (BOOL) resignFirstResponder { mOwner.backend->WndProc(SCI_SETFOCUS, 0, 0); return YES; } //-------------------------------------------------------------------------------------------------- /** * Called when an external drag operation enters the view. */ - (NSDragOperation) draggingEntered: (id ) sender { return mOwner.backend->DraggingEntered(sender); } //-------------------------------------------------------------------------------------------------- /** * Called frequently during an external drag operation if we are the target. */ - (NSDragOperation) draggingUpdated: (id ) sender { return mOwner.backend->DraggingUpdated(sender); } //-------------------------------------------------------------------------------------------------- /** * Drag image left the view. Clean up if necessary. */ - (void) draggingExited: (id ) sender { mOwner.backend->DraggingExited(sender); } //-------------------------------------------------------------------------------------------------- - (BOOL) prepareForDragOperation: (id ) sender { return YES; } //-------------------------------------------------------------------------------------------------- - (BOOL) performDragOperation: (id ) sender { return mOwner.backend->PerformDragOperation(sender); } //-------------------------------------------------------------------------------------------------- /** * Returns operations we allow as drag source. */ - (NSDragOperation) draggingSourceOperationMaskForLocal: (BOOL) flag { return NSDragOperationCopy | NSDragOperationMove; } //-------------------------------------------------------------------------------------------------- /** * Drag operation is done. Notify editor. */ - (void) concludeDragOperation: (id ) sender { // Clean up is the same as if we are no longer the drag target. mOwner.backend->DraggingExited(sender); } @end //-------------------------------------------------------------------------------------------------- @implementation ScintillaView @synthesize backend = mBackend; /** * ScintiallView is a composite control made from an NSView and an embedded NSView that is * used as canvas for the output (by the backend, using its CGContext), plus two scrollers. */ //-------------------------------------------------------------------------------------------------- /** * Initialize custom cursor. */ + (void) initialize { if (self == [ScintillaView class]) { NSBundle* bundle = [NSBundle bundleForClass: [ScintillaView class]]; NSString* path = [bundle pathForResource: @"mac_cursor_busy" ofType: @"png" inDirectory: nil]; NSImage* image = [[[NSImage alloc] initWithContentsOfFile: path] autorelease]; waitCursor = [[[NSCursor alloc] initWithImage: image hotSpot: NSMakePoint(2, 2)] retain]; path = [bundle pathForResource: @"mac_cursor_flipped" ofType: @"png" inDirectory: nil]; image = [[[NSImage alloc] initWithContentsOfFile: path] autorelease]; reverseArrowCursor = [[[NSCursor alloc] initWithImage: image hotSpot: NSMakePoint(12, 2)] retain]; } } //-------------------------------------------------------------------------------------------------- /** * Sends a new notification of the given type to the default notification center. */ - (void) sendNotification: (NSString*) notificationName { NSNotificationCenter* center = [NSNotificationCenter defaultCenter]; [center postNotificationName: notificationName object: self]; } //-------------------------------------------------------------------------------------------------- /** * Notification function used by Scintilla to call us back (e.g. for handling clicks on the * folder margin or changes in the editor). */ static void notification(intptr_t windowid, unsigned int iMessage, uintptr_t wParam, uintptr_t lParam) { // WM_NOTIFY means we got a parent notification with a special notification structure. // Here we don't really differentiate between parent and own notifications and handle both. ScintillaView* editor; switch (iMessage) { case WM_NOTIFY: { // Parent notification. Details are passed as SCNotification structure. SCNotification* scn = reinterpret_cast(lParam); editor = reinterpret_cast(scn->nmhdr.idFrom).owner; switch (scn->nmhdr.code) { case SCN_MARGINCLICK: if (scn->margin == 2) { // Click on the folder margin. Toggle the current line if possible. int line = [editor getGeneralProperty: SCI_LINEFROMPOSITION parameter: scn->position]; [editor setGeneralProperty: SCI_TOGGLEFOLD parameter: line value: 0]; }; break; case SCN_MODIFIED: // Decide depending on the modification type what to do. // There can be more than one modification carried by one notification. if (scn->modificationType & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT)) [editor sendNotification: NSTextDidChangeNotification]; break; } break; } case WM_COMMAND: { // Notifications for the editor itself. ScintillaCocoa* backend = reinterpret_cast(lParam); editor = backend->TopContainer(); switch (wParam >> 16) { case SCEN_KILLFOCUS: [editor sendNotification: NSTextDidEndEditingNotification]; break; case SCEN_SETFOCUS: // Nothing to do for now. break; } break; } }; } //-------------------------------------------------------------------------------------------------- /** * Initialization of the view. Used to setup a few other things we need. */ - (id) initWithFrame: (NSRect) frame { self = [super initWithFrame:frame]; if (self) { mContent = [[[InnerView alloc] init] autorelease]; mBackend = new ScintillaCocoa(mContent); mContent.owner = self; [self addSubview: mContent]; // Initialize the scrollers but don't show them yet. // Pick an arbitrary size, just to make NSScroller selecting the proper scroller direction // (horizontal or vertical). NSRect scrollerRect = NSMakeRect(0, 0, 100, 10); mHorizontalScroller = [[[NSScroller alloc] initWithFrame: scrollerRect] autorelease]; [mHorizontalScroller setHidden: YES]; [mHorizontalScroller setTarget: self]; [mHorizontalScroller setAction: @selector(scrollerAction:)]; [self addSubview: mHorizontalScroller]; scrollerRect.size = NSMakeSize(10, 100); mVerticalScroller = [[[NSScroller alloc] initWithFrame: scrollerRect] autorelease]; [mVerticalScroller setHidden: YES]; [mVerticalScroller setTarget: self]; [mVerticalScroller setAction: @selector(scrollerAction:)]; [self addSubview: mVerticalScroller]; // Establish a connection from the back end to this container so we can handle situations // which require our attention. mBackend->RegisterNotifyCallback(nil, notification); // Setup a special indicator used in the editor to provide visual feedback for // input composition, depending on language, keyboard etc. [self setColorProperty: SCI_INDICSETFORE parameter: INPUT_INDICATOR fromHTML: @"#FF9A00"]; [self setGeneralProperty: SCI_INDICSETUNDER parameter: INPUT_INDICATOR value: 1]; [self setGeneralProperty: SCI_INDICSETSTYLE parameter: INPUT_INDICATOR value: INDIC_ROUNDBOX]; [self setGeneralProperty: SCI_INDICSETALPHA parameter: INPUT_INDICATOR value: 100]; } return self; } //-------------------------------------------------------------------------------------------------- /** * Release the backend. */ - (void) dealloc { delete mBackend; [super dealloc]; } //-------------------------------------------------------------------------------------------------- - (void) viewDidMoveToWindow { [super viewDidMoveToWindow]; [self layout]; // Enable also mouse move events for our window (and so this view). [[self window] setAcceptsMouseMovedEvents: YES]; } //-------------------------------------------------------------------------------------------------- /** * Used to position and size the parts of the editor (content + scrollers). */ - (void) layout { int scrollerWidth = [NSScroller scrollerWidth]; NSSize size = [self frame].size; NSPoint hScrollerOrigin = {0, 0}; NSPoint vScrollerOrigin = {size.width - scrollerWidth, 0}; if (![mVerticalScroller isHidden]) { // Consider user settings (left vs right vertical scrollbar). BOOL isLeft = [[[NSUserDefaults standardUserDefaults] stringForKey: @"NSScrollerPosition"] isEqualToString: @"left"]; if (isLeft) { vScrollerOrigin.x = 0; hScrollerOrigin.x = scrollerWidth; }; size.width -= scrollerWidth; } if (![mHorizontalScroller isHidden]) { size.height -= scrollerWidth; vScrollerOrigin.y += scrollerWidth; }; NSRect contentRect = {hScrollerOrigin.x, vScrollerOrigin.y, size.width, size.height}; [mContent setFrame: contentRect]; if (![mHorizontalScroller isHidden]) [mHorizontalScroller setFrame: NSMakeRect(hScrollerOrigin.x, hScrollerOrigin.y, size.width, scrollerWidth)]; if (![mVerticalScroller isHidden]) [mVerticalScroller setFrame: NSMakeRect(vScrollerOrigin.x, vScrollerOrigin.y, scrollerWidth, size.height)]; } //-------------------------------------------------------------------------------------------------- /** * Called by the backend to adjust the vertical scroller (range and page). * * @param range Determines the total size of the scroll area used in the editor. * @param page Determines how many pixels a page is. * @result Returns YES if anything changed, otherwise NO. */ - (BOOL) setVerticalScrollRange: (int) range page: (int) page { BOOL result = NO; BOOL hideScroller = page >= range; if ([mVerticalScroller isHidden] != hideScroller) { result = YES; [mVerticalScroller setHidden: hideScroller]; if (!hideScroller) [mVerticalScroller setFloatValue: 0]; [self layout]; } if (!hideScroller) { [mVerticalScroller setEnabled: YES]; CGFloat currentProportion = [mVerticalScroller knobProportion]; CGFloat newProportion = page / (CGFloat) range; if (currentProportion != newProportion) { result = YES; [mVerticalScroller setKnobProportion: newProportion]; } } return result; } //-------------------------------------------------------------------------------------------------- /** * Used to set the position of the vertical scroll thumb. * * @param position The relative position in the rang [0..1]; */ - (void) setVerticalScrollPosition: (float) position { [mVerticalScroller setFloatValue: position]; } //-------------------------------------------------------------------------------------------------- /** * Called by the backend to adjust the horizontal scroller (range and page). * * @param range Determines the total size of the scroll area used in the editor. * @param page Determines how many pixels a page is. * @result Returns YES if anything changed, otherwise NO. */ - (BOOL) setHorizontalScrollRange: (int) range page: (int) page { BOOL result = NO; BOOL hideScroller = page >= range; if ([mHorizontalScroller isHidden] != hideScroller) { result = YES; [mHorizontalScroller setHidden: hideScroller]; [self layout]; } if (!hideScroller) { [mHorizontalScroller setEnabled: YES]; CGFloat currentProportion = [mHorizontalScroller knobProportion]; CGFloat newProportion = page / (CGFloat) range; if (currentProportion != newProportion) { result = YES; [mHorizontalScroller setKnobProportion: newProportion]; } } return result; } //-------------------------------------------------------------------------------------------------- /** * Used to set the position of the vertical scroll thumb. * * @param position The relative position in the rang [0..1]; */ - (void) setHorizontalScrollPosition: (float) position { [mHorizontalScroller setFloatValue: position]; } //-------------------------------------------------------------------------------------------------- /** * Triggered by one of the scrollers when it gets manipulated by the user. Notify the backend * about the change. */ - (void) scrollerAction: (id) sender { float position = [sender floatValue]; mBackend->DoScroll(position, [sender hitPart], sender == mHorizontalScroller); } //-------------------------------------------------------------------------------------------------- /** * Used to reposition our content depending on the size of the view. */ - (void) setFrame: (NSRect) newFrame { [super setFrame: newFrame]; [self layout]; } //-------------------------------------------------------------------------------------------------- /** * Getter for the current text in raw form (no formatting information included). */ - (NSString*) string { NSString *result = nil; char *buffer(0); const int length = mBackend->WndProc(SCI_GETLENGTH, 0, 0); if ( length > 0 ) { buffer = new char[length + 1]; try { mBackend->WndProc(SCI_GETTEXT, length + 1, (sptr_t) buffer); mBackend->WndProc(SCI_SETSAVEPOINT, 0, 0); result = [NSString stringWithUTF8String: buffer]; delete[] buffer; } catch (...) { delete[] buffer; buffer = 0; } } return result; } //-------------------------------------------------------------------------------------------------- - (void) setEditable: (BOOL) editable { mBackend->WndProc(SCI_SETREADONLY, editable ? 0 : 1, 0); } //-------------------------------------------------------------------------------------------------- /** * Setter for the current text (no formatting included). */ - (void) setString: (NSString*) aString { const char* text = [aString UTF8String]; mBackend->WndProc(SCI_SETTEXT, 0, (long) text); } //-------------------------------------------------------------------------------------------------- - (InnerView*) content { return mContent; } - (void) setEditorProperty: (int) property wParam: (long) parameter lParam: (long) value { mBackend->WndProc(property, parameter, value); } //-------------------------------------------------------------------------------------------------- /** * This is a helper method to get a property in the backend, with native parameters. * * @param property Main property like SCI_STYLESETFORE for which a value is to get. * @param parameter Additional info for this property like a parameter or index. * @result A generic value which must be interpreted depending on the property queried. */ - (long) getEditorProperty: (int) property wParam: (long) parameter { return mBackend->WndProc(property, parameter, 0); } //-------------------------------------------------------------------------------------------------- /** * This is a helper method to set properties in the backend, with native parameters. * * @param property Main property like SCI_STYLESETFORE for which a value is to be set. * @param parameter Additional info for this property like a parameter or index. * @param value The actual value. It depends on the property what this parameter means. */ - (void) setGeneralProperty: (int) property parameter: (long) parameter value: (long) value { mBackend->WndProc(property, parameter, value); } //-------------------------------------------------------------------------------------------------- /** * This is a helper method to get a property in the backend, with native parameters. * * @param property Main property like SCI_STYLESETFORE for which a value is to get. * @param parameter Additional info for this property like a parameter or index. * @result A generic value which must be interpreted depending on the property queried. */ - (long) getGeneralProperty: (int) property parameter: (long) parameter { return mBackend->WndProc(property, parameter, 0); } //-------------------------------------------------------------------------------------------------- /** * Specialized property setter for colors. */ - (void) setColorProperty: (int) property parameter: (long) parameter value: (NSColor*) value { if ([value colorSpaceName] != NSDeviceRGBColorSpace) value = [value colorUsingColorSpaceName: NSDeviceRGBColorSpace]; long red = [value redComponent] * 255; long green = [value greenComponent] * 255; long blue = [value blueComponent] * 255; long color = (blue << 16) + (green << 8) + red; mBackend->WndProc(property, parameter, color); } //-------------------------------------------------------------------------------------------------- /** * Another color property setting, which allows to specify the color as string like in HTML * documents (i.e. with leading # and either 3 hex digits or 6). */ - (void) setColorProperty: (int) property parameter: (long) parameter fromHTML: (NSString*) fromHTML { if ([fromHTML length] > 3 && [fromHTML characterAtIndex: 0] == '#') { bool longVersion = [fromHTML length] > 6; int index = 1; char value[3] = {0, 0, 0}; value[0] = [fromHTML characterAtIndex: index++]; if (longVersion) value[1] = [fromHTML characterAtIndex: index++]; else value[1] = value[0]; unsigned rawRed; [[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawRed]; value[0] = [fromHTML characterAtIndex: index++]; if (longVersion) value[1] = [fromHTML characterAtIndex: index++]; else value[1] = value[0]; unsigned rawGreen; [[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawGreen]; value[0] = [fromHTML characterAtIndex: index++]; if (longVersion) value[1] = [fromHTML characterAtIndex: index++]; else value[1] = value[0]; unsigned rawBlue; [[NSScanner scannerWithString: [NSString stringWithUTF8String: value]] scanHexInt: &rawBlue]; long color = (rawBlue << 16) + (rawGreen << 8) + rawRed; mBackend->WndProc(property, parameter, color); } } //-------------------------------------------------------------------------------------------------- /** * Specialized property getter for colors. */ - (NSColor*) getColorProperty: (int) property parameter: (long) parameter { int color = mBackend->WndProc(property, parameter, 0); float red = (color & 0xFF) / 255.0; float green = ((color >> 8) & 0xFF) / 255.0; float blue = ((color >> 16) & 0xFF) / 255.0; NSColor* result = [NSColor colorWithDeviceRed: red green: green blue: blue alpha: 1]; return result; } //-------------------------------------------------------------------------------------------------- /** * Specialized property setter for references (pointers, addresses). */ - (void) setReferenceProperty: (int) property parameter: (long) parameter value: (const void*) value { mBackend->WndProc(property, parameter, (sptr_t) value); } //-------------------------------------------------------------------------------------------------- /** * Specialized property getter for references (pointers, addresses). */ - (const void*) getReferenceProperty: (int) property parameter: (long) parameter { return (const void*) mBackend->WndProc(property, parameter, 0); } //-------------------------------------------------------------------------------------------------- /** * Specialized property setter for string values. */ - (void) setStringProperty: (int) property parameter: (long) parameter value: (NSString*) value { const char* rawValue = [value UTF8String]; mBackend->WndProc(property, parameter, (sptr_t) rawValue); } //-------------------------------------------------------------------------------------------------- /** * Specialized property getter for string values. */ - (NSString*) getStringProperty: (int) property parameter: (long) parameter { const char* rawValue = (const char*) mBackend->WndProc(property, parameter, 0); return [NSString stringWithUTF8String: rawValue]; } //-------------------------------------------------------------------------------------------------- /** * Specialized property setter for lexer properties, which are commonly passed as strings. */ - (void) setLexerProperty: (NSString*) name value: (NSString*) value { const char* rawName = [name UTF8String]; const char* rawValue = [value UTF8String]; mBackend->WndProc(SCI_SETPROPERTY, (sptr_t) rawName, (sptr_t) rawValue); } //-------------------------------------------------------------------------------------------------- /** * Specialized property getter for references (pointers, addresses). */ - (NSString*) getLexerProperty: (NSString*) name { const char* rawName = [name UTF8String]; const char* result = (const char*) mBackend->WndProc(SCI_SETPROPERTY, (sptr_t) rawName, 0); return [NSString stringWithUTF8String: result]; } @end //--------------------------------------------------------------------------------------------------