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Fixed relative mouse motion over remote desktop

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Setting the cursor clip area to a single pixel prevents the relative mouse motion remote desktop warping from working, so the mouse is never recentered.

(cherry picked from commit daffe02b117ccd484763eadc716e4d4453c89868)
This commit is contained in:
Sam Lantinga 2023-02-24 09:20:38 -08:00
parent 7abb748134
commit ad09976eca
1 changed files with 4 additions and 2 deletions
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6
src/video/windows/SDL_windowswindow.c
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@ -1294,14 +1294,16 @@ void WIN_UpdateClipCursor(SDL_Window *window)
(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
if (mouse->relative_mode && !mouse->relative_mode_warp && data->mouse_relative_mode_center) {
if (GetWindowRect(data->hwnd, &rect)) {
/* WIN_WarpCursor() jitters by +1, and remote desktop warp wobble is +/- 1 */
LONG remote_desktop_adjustment = GetSystemMetrics(SM_REMOTESESSION) ? 2 : 0;
LONG cx, cy;
cx = (rect.left + rect.right) / 2;
cy = (rect.top + rect.bottom) / 2;
/* Make an absurdly small clip rect */
rect.left = cx;
rect.right = cx + 1;
rect.left = cx - remote_desktop_adjustment;
rect.right = cx + 1 + remote_desktop_adjustment;
rect.top = cy;
rect.bottom = cy + 1;