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win32: temporarily disable aero shake while dragging hack is active

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The dragging hack can cause unwanted aero shake activation.
Prevent this by saving the window arrangement state before dragging,
temporarily disable it while dragging hack is active, and restore to
the original state after dragging ends.
This commit is contained in:
nanahi 2023-12-04 23:30:42 -05:00 committed by sfan5
parent 5736737750
commit 66ebce758f
1 changed files with 10 additions and 0 deletions
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10
video/out/w32_common.c
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@ -182,6 +182,7 @@ struct vo_w32_state {
bool cleared;
bool dragging;
BOOL win_arranging;
};
static void adjust_window_rect(struct vo_w32_state *w32, HWND hwnd, RECT *rc)
@ -485,9 +486,12 @@ static bool handle_mouse_down(struct vo_w32_state *w32, int btn, int x, int y)
// needs to be kept resonsive.
// Workaround this by intercepting the loop in the WM_MOVING message,
// where the up-to-date value is available.
SystemParametersInfoW(SPI_GETWINARRANGING, 0, &w32->win_arranging, 0);
w32->dragging = true;
SendMessage(w32->window, WM_NCLBUTTONDOWN, HTCAPTION, 0);
w32->dragging = false;
SystemParametersInfoW(SPI_SETWINARRANGING, w32->win_arranging, 0, 0);
mp_input_put_key(w32->input_ctx, MP_MBTN_LEFT | MP_KEY_STATE_UP);
// Indicate the message was handled, so DefWindowProc won't be called
@ -1252,6 +1256,12 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
// Prevent the window from being moved if the window dragging hack
// is active, and the window is currently in fullscreen.
if (w32->dragging && w32->current_fs) {
// Temporarily disable window arrangement to prevent aero shake
// from being activated. The original system setting will be restored
// after the dragging hack ends.
if (w32->win_arranging) {
SystemParametersInfoW(SPI_SETWINARRANGING, FALSE, 0, 0);
}
*rc = w32->windowrc;
return TRUE;
}