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d3d11videosink: Fix toggling between fullscreen and maximized

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Use GetWindowPlacement() and SetWindowPlacement() APIs
to remember and restore window status, such as maximized, position,
restore position, etc.

Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3016
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5462>
This commit is contained in:
Seungha Yang 2023-10-11 23:29:04 +09:00 committed by GStreamer Marge Bot
parent 0563a25494
commit 15248d8b84
1 changed files with 7 additions and 13 deletions
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20
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11window_win32.cpp
View file

@ -89,8 +89,8 @@ struct _GstD3D11WindowWin32
gint pending_move_window;
/* fullscreen related */
RECT restore_rect;
LONG restore_style;
WINDOWPLACEMENT restore_placement;
/* Handle set_render_rectangle */
GstVideoRectangle render_rect;
@ -176,6 +176,7 @@ static void
gst_d3d11_window_win32_init (GstD3D11WindowWin32 * self)
{
self->main_context = g_main_context_new ();
self->restore_placement.length = sizeof (WINDOWPLACEMENT);
}
static void
@ -645,32 +646,25 @@ gst_d3d11_window_win32_change_fullscreen_mode_internal (GstD3D11WindowWin32 *
/* Restore the window's attributes and size */
SetWindowLongA (hwnd, GWL_STYLE, self->restore_style);
SetWindowPos (hwnd, HWND_NOTOPMOST,
self->restore_rect.left,
self->restore_rect.top,
self->restore_rect.right - self->restore_rect.left,
self->restore_rect.bottom - self->restore_rect.top,
SWP_FRAMECHANGED | SWP_NOACTIVATE);
ShowWindow (hwnd, SW_NORMAL);
SetWindowPlacement (hwnd, &self->restore_placement);
} else {
ComPtr < IDXGIOutput > output;
DXGI_OUTPUT_DESC output_desc;
IDXGISwapChain *swap_chain = window->swap_chain;
/* remember current placement to restore window later */
GetWindowPlacement (hwnd, &self->restore_placement);
/* show window before change style */
ShowWindow (hwnd, SW_SHOW);
/* Save the old window rect so we can restore it when exiting
* fullscreen mode */
GetWindowRect (hwnd, &self->restore_rect);
self->restore_style = GetWindowLong (hwnd, GWL_STYLE);
/* Make the window borderless so that the client area can fill the screen */
SetWindowLongA (hwnd, GWL_STYLE,
self->restore_style &
~(WS_CAPTION | WS_MAXIMIZEBOX | WS_MINIMIZEBOX | WS_SYSMENU |
WS_THICKFRAME));
WS_THICKFRAME | WS_MAXIMIZE));
swap_chain->GetContainingOutput (&output);
output->GetDesc (&output_desc);