diff options
Diffstat (limited to 'win32')
| -rw-r--r-- | win32/ScintillaWin.cxx | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx index bdc4e1473..d7fd049b3 100644 --- a/win32/ScintillaWin.cxx +++ b/win32/ScintillaWin.cxx @@ -93,6 +93,8 @@ extern bool IsNT(); extern void Platform_Initialise(void *hInstance); extern void Platform_Finalise(); +typedef BOOL (WINAPI *TrackMouseEventSig)(LPTRACKMOUSEEVENT); + /** TOTAL_CONTROL ifdef surrounds code that will only work when ScintillaWin * is derived from ScintillaBase (all features) rather than directly from Editor * (lightweight editor). @@ -157,6 +159,8 @@ class ScintillaWin : bool lastKeyDownConsumed; bool capturedMouse; + bool trackedMouseLeave; + TrackMouseEventSig TrackMouseEventFn; unsigned int linesPerScroll; ///< Intellimouse support int wheelDelta; ///< Wheel delta from roll @@ -203,6 +207,7 @@ class ScintillaWin : virtual void SetTicking(bool on); virtual void SetMouseCapture(bool on); virtual bool HaveMouseCapture(); + virtual void SetTrackMouseLeaveEvent(bool on); virtual bool PaintContains(PRectangle rc); virtual void ScrollText(int linesToMove); virtual void UpdateSystemCaret(); @@ -298,6 +303,9 @@ ScintillaWin::ScintillaWin(HWND hwnd) { lastKeyDownConsumed = false; capturedMouse = false; + trackedMouseLeave = false; + TrackMouseEventFn = 0; + linesPerScroll = 0; wheelDelta = 0; // Wheel delta from roll @@ -338,6 +346,18 @@ void ScintillaWin::Initialise() { // no effect. If the app hasnt, we really shouldnt ask them to call // it just so this internal feature works. hrOle = ::OleInitialize(NULL); + + // Find TrackMouseEvent which is available on Windows > 95 + HMODULE user32 = ::GetModuleHandle("user32.dll"); + TrackMouseEventFn = (TrackMouseEventSig)::GetProcAddress(user32, "TrackMouseEvent"); + if (TrackMouseEventFn == NULL) { + // Windows 95 has an emulation in comctl32.dll:_TrackMouseEvent + HMODULE commctrl32 = ::LoadLibrary("comctl32.dll"); + if (commctrl32 != NULL) { + TrackMouseEventFn = (TrackMouseEventSig) + ::GetProcAddress(commctrl32, "_TrackMouseEvent"); + } + } } void ScintillaWin::Finalise() { @@ -731,9 +751,15 @@ sptr_t ScintillaWin::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam break; case WM_MOUSEMOVE: + SetTrackMouseLeaveEvent(true); ButtonMove(Point::FromLong(lParam)); break; + case WM_MOUSELEAVE: + SetTrackMouseLeaveEvent(false); + MouseLeave(); + return ::DefWindowProc(MainHWND(), iMessage, wParam, lParam); + case WM_LBUTTONUP: ButtonUp(Point::FromLong(lParam), ::GetMessageTime(), @@ -1101,6 +1127,17 @@ bool ScintillaWin::HaveMouseCapture() { //return capturedMouse && (::GetCapture() == MainHWND()); } +void ScintillaWin::SetTrackMouseLeaveEvent(bool on) { + if (on && TrackMouseEventFn && !trackedMouseLeave) { + TRACKMOUSEEVENT tme; + tme.cbSize = sizeof(tme); + tme.dwFlags = TME_LEAVE; + tme.hwndTrack = MainHWND(); + TrackMouseEventFn(&tme); + } + trackedMouseLeave = on; +} + bool ScintillaWin::PaintContains(PRectangle rc) { bool contains = true; if ((paintState == painting) && (!rc.Empty())) { |