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-rw-r--r--src/Editor.cxx30
-rw-r--r--src/Editor.h1
-rw-r--r--win32/ScintillaWin.cxx37
3 files changed, 50 insertions, 18 deletions
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 422237f97..9cf3c31b3 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -380,6 +380,7 @@ Editor::Editor() {
wrapWidth = LineLayout::wrapWidthInfinite;
docLineLastWrapped = -1;
docLastLineToWrap = -1;
+ backgroundWrapEnabled = true;
hsStart = -1;
hsEnd = -1;
@@ -1426,11 +1427,12 @@ void Editor::NeedWrapping(int docLineStartWrapping, int docLineEndWrapping) {
// condition is called only from idler).
// Return true if wrapping occurred.
bool Editor::WrapLines(bool fullWrap, int priorityWrapLineStart) {
- // If there are any pending wraps do them during idle.
+ // If there are any pending wraps, do them during idle if possible.
if (wrapState != eWrapNone) {
if (docLineLastWrapped < docLastLineToWrap) {
- if (!SetIdle(true)) {
- // If platform does not have Idle events, perform full wrap
+ if (!(backgroundWrapEnabled && SetIdle(true))) {
+ // Background wrapping is disabled, or idle processing
+ // not supported. A full wrap is required.
fullWrap = true;
}
}
@@ -1441,9 +1443,6 @@ bool Editor::WrapLines(bool fullWrap, int priorityWrapLineStart) {
// No priority wrap pending
return false;
}
- } else {
- // If there is no wrap, disable the idle call.
- SetIdle(false);
}
int goodTopLine = topLine;
bool wrapOccurred = false;
@@ -5050,18 +5049,25 @@ void Editor::Tick() {
bool Editor::Idle() {
- bool idleDone = false;
- // Wrap lines during idle.
- WrapLines(false, -1);
- // No more wrapping
- if (docLineLastWrapped == docLastLineToWrap)
- idleDone = true;
+ bool idleDone;
+
+ bool wrappingDone = (wrapState == eWrapNone) || (!backgroundWrapEnabled);
+
+ if (!wrappingDone) {
+ // Wrap lines during idle.
+ WrapLines(false, -1);
+ // No more wrapping
+ if (docLineLastWrapped == docLastLineToWrap)
+ wrappingDone = true;
+ }
// Add more idle things to do here, but make sure idleDone is
// set correctly before the function returns. returning
// false will stop calling this idle funtion until SetIdle() is
// called again.
+ idleDone = wrappingDone; // && thatDone && theOtherThingDone...
+
return !idleDone;
}
diff --git a/src/Editor.h b/src/Editor.h
index b8c32ab64..6eccb50bd 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -287,6 +287,7 @@ protected: // ScintillaBase subclass needs access to much of Editor
// Wrapping support
enum { eWrapNone, eWrapWord } wrapState;
+ bool backgroundWrapEnabled;
int wrapWidth;
int docLineLastWrapped;
int docLastLineToWrap;
diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx
index 4c9f7341a..9c2d78e1c 100644
--- a/win32/ScintillaWin.cxx
+++ b/win32/ScintillaWin.cxx
@@ -171,10 +171,13 @@ class ScintillaWin :
static sptr_t PASCAL CTWndProc(
HWND hWnd, UINT iMessage, WPARAM wParam, sptr_t lParam);
+ enum { invalidTimerID, standardTimerID, idleTimerID };
+
virtual void StartDrag();
sptr_t WndPaint(uptr_t wParam);
sptr_t HandleComposition(uptr_t wParam, sptr_t lParam);
virtual sptr_t DefWndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam);
+ virtual bool SetIdle(bool on);
virtual void SetTicking(bool on);
virtual void SetMouseCapture(bool on);
virtual bool HaveMouseCapture();
@@ -282,6 +285,7 @@ void ScintillaWin::Initialise() {
void ScintillaWin::Finalise() {
ScintillaBase::Finalise();
SetTicking(false);
+ SetIdle(false);
::RevokeDragDrop(MainHWND());
::OleUninitialize();
}
@@ -577,7 +581,14 @@ sptr_t ScintillaWin::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam
return 0;
case WM_TIMER:
- Tick();
+ if (wParam == standardTimerID && timer.ticking) {
+ Tick();
+ } else if (wParam == idleTimerID && idler.state) {
+ if (!Idle())
+ SetIdle(false);
+ } else {
+ return 1;
+ }
break;
case WM_GETMINMAXINFO:
@@ -887,11 +898,8 @@ void ScintillaWin::SetTicking(bool on) {
if (timer.ticking != on) {
timer.ticking = on;
if (timer.ticking) {
- timer.tickerID = reinterpret_cast<TickerID>(1);
- if (::SetTimer(MainHWND(), reinterpret_cast<uptr_t>(timer.tickerID), timer.tickSize, NULL) == 0) {
- timer.ticking = false;
- timer.tickerID = 0;
- }
+ timer.tickerID = ::SetTimer(MainHWND(), standardTimerID, timer.tickSize, NULL)
+ ? reinterpret_cast<TickerID>(standardTimerID) : 0;
} else {
::KillTimer(MainHWND(), reinterpret_cast<uptr_t>(timer.tickerID));
timer.tickerID = 0;
@@ -900,6 +908,23 @@ void ScintillaWin::SetTicking(bool on) {
timer.ticksToWait = caret.period;
}
+bool ScintillaWin::SetIdle(bool on) {
+ // On Win32 the Idler is implemented as a Timer on the Scintilla window. This
+ // takes advantage of the fact that WM_TIMER messages are very low priority,
+ // and are only posted when the message queue is empty, i.e. during idle time.
+ if (idler.state != on) {
+ if (on) {
+ idler.idlerID = ::SetTimer(MainHWND(), idleTimerID, 20, NULL)
+ ? reinterpret_cast<IdlerID>(idleTimerID) : 0;
+ } else {
+ ::KillTimer(MainHWND(), reinterpret_cast<uptr_t>(idler.idlerID));
+ idler.idlerID = 0;
+ }
+ idler.state = idler.idlerID != 0;
+ }
+ return idler.state;
+}
+
void ScintillaWin::SetMouseCapture(bool on) {
if (mouseDownCaptures) {
if (on) {