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Fixed bug 3550 - No mouse move messages send while over the titlebar and windows edges 

Matthew

Its possible to set SDL_CaptureMouse() so you continue receiving mouse input while the mouse is outside your window. This works however There is then a gap where no messages send, which is when the mouse is hovering the title bar and the window edges.
Sam Lantinga 2017-01-28 11:17:10 -08:00
parent c3eea703ee
commit 869b7fe314
1 changed files with 7 additions and 2 deletions
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9
src/video/windows/SDL_windowsevents.c
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@ -524,9 +524,14 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
} else if (isCapture) {
/* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
POINT pt;
RECT hwndRect;
GetCursorPos(&pt);
if (WindowFromPoint(pt) != hwnd) { /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
ScreenToClient(hwnd, &pt);
HWND currentHnd = WindowFromPoint( pt );
ScreenToClient( hwnd, &pt );
GetClientRect( hwnd, &hwndRect );
/* if in the window, WM_MOUSEMOVE, etc, will cover it. */
if( currentHnd != hwnd || pt.x < 0 || pt.y < 0 || pt.x > hwndRect.right || pt.y > hwndRect.right ) {
SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);