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Codechange: [Win32] Use OS function for mouse tracking if present.

This commit is contained in:
Michael Lutz 2015-12-27 16:13:19 +01:00
parent afa3e15afe
commit 4bfd277017
1 changed files with 16 additions and 1 deletions
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17
src/video/win32_v.cpp
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@ -38,6 +38,9 @@
#define PM_QS_INPUT 0x20000
#endif
typedef BOOL (WINAPI *PFNTRACKMOUSEEVENT)(LPTRACKMOUSEEVENT lpEventTrack);
static PFNTRACKMOUSEEVENT _pTrackMouseEvent = NULL;
static struct {
HWND main_wnd;
HBITMAP dib_sect;
@ -747,7 +750,16 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
* tracking the mouse for exiting the window */
if (!_cursor.in_window) {
_cursor.in_window = true;
SetTimer(hwnd, TID_POLLMOUSE, MOUSE_POLL_DELAY, (TIMERPROC)TrackMouseTimerProc);
if (_pTrackMouseEvent != NULL) {
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = hwnd;
_pTrackMouseEvent(&tme);
} else {
SetTimer(hwnd, TID_POLLMOUSE, MOUSE_POLL_DELAY, (TIMERPROC)TrackMouseTimerProc);
}
}
if (_cursor.fix_at) {
@ -1038,6 +1050,9 @@ static void RegisterWndClass()
registered = true;
if (!RegisterClass(&wnd)) usererror("RegisterClass failed");
/* Dynamically load mouse tracking, as it doesn't exist on Windows 95. */
_pTrackMouseEvent = (PFNTRACKMOUSEEVENT)GetProcAddress(GetModuleHandle(_T("User32")), "TrackMouseEvent");
}
}