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examples: win32-videooverlay: Add test for fullscreen mode switch

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Add test option "--fullscreen" for testing fullscreen mode switch.
When enabled, user can switch fullscreen mode via SPACE key or
right mouse button click.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/721>
This commit is contained in:
Seungha Yang 2020-06-23 16:41:31 +09:00 committed by GStreamer Merge Bot
parent 53320460cb
commit 595ca46301
1 changed files with 101 additions and 0 deletions
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101
tests/examples/overlay/win32-videooverlay.c
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@ -32,9 +32,93 @@ static GMainLoop *loop = NULL;
static gboolean visible = FALSE;
static gboolean test_reuse = FALSE;
static HWND hwnd = NULL;
static gboolean test_fullscreen = FALSE;
static gboolean fullscreen = FALSE;
static LONG prev_style = 0;
static RECT prev_rect = { 0, };
#define DEFAULT_VIDEO_SINK "glimagesink"
static gboolean
get_monitor_size (RECT * rect)
{
HMONITOR monitor = MonitorFromWindow (hwnd, MONITOR_DEFAULTTONEAREST);
MONITORINFOEX monitor_info;
DEVMODE dev_mode;
monitor_info.cbSize = sizeof (monitor_info);
if (!GetMonitorInfo (monitor, (LPMONITORINFO) & monitor_info)) {
return FALSE;
}
dev_mode.dmSize = sizeof (dev_mode);
dev_mode.dmDriverExtra = sizeof (POINTL);
dev_mode.dmFields = DM_POSITION;
if (!EnumDisplaySettings
(monitor_info.szDevice, ENUM_CURRENT_SETTINGS, &dev_mode)) {
return FALSE;
}
SetRect (rect, 0, 0, dev_mode.dmPelsWidth, dev_mode.dmPelsHeight);
return TRUE;
}
static void
switch_fullscreen_mode (void)
{
if (!hwnd)
return;
fullscreen = !fullscreen;
gst_print ("Full screen %s\n", fullscreen ? "on" : "off");
if (!fullscreen) {
/* Restore the window's attributes and size */
SetWindowLong (hwnd, GWL_STYLE, prev_style);
SetWindowPos (hwnd, HWND_NOTOPMOST,
prev_rect.left,
prev_rect.top,
prev_rect.right - prev_rect.left,
prev_rect.bottom - prev_rect.top, SWP_FRAMECHANGED | SWP_NOACTIVATE);
ShowWindow (hwnd, SW_NORMAL);
} else {
RECT fullscreen_rect;
/* 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, &prev_rect);
prev_style = GetWindowLong (hwnd, GWL_STYLE);
if (!get_monitor_size (&fullscreen_rect)) {
g_warning ("Couldn't get monitor size");
fullscreen = !fullscreen;
return;
}
/* Make the window borderless so that the client area can fill the screen */
SetWindowLong (hwnd, GWL_STYLE,
prev_style &
~(WS_CAPTION | WS_MAXIMIZEBOX | WS_MINIMIZEBOX | WS_SYSMENU |
WS_THICKFRAME));
SetWindowPos (hwnd, HWND_NOTOPMOST,
fullscreen_rect.left,
fullscreen_rect.top,
fullscreen_rect.right,
fullscreen_rect.bottom, SWP_FRAMECHANGED | SWP_NOACTIVATE);
ShowWindow (hwnd, SW_MAXIMIZE);
}
}
static LRESULT CALLBACK
window_proc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
@ -46,6 +130,19 @@ window_proc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
g_main_loop_quit (loop);
}
return 0;
case WM_KEYUP:
if (!test_fullscreen)
break;
if (wParam == VK_SPACE)
switch_fullscreen_mode ();
break;
case WM_RBUTTONUP:
if (!test_fullscreen)
break;
switch_fullscreen_mode ();
break;
default:
break;
}
@ -133,6 +230,10 @@ main (gint argc, gchar ** argv)
{"repeat", 0, 0, G_OPTION_ARG_NONE, &test_reuse,
"Test reuse video sink element", NULL}
,
{"fullscreen", 0, 0, G_OPTION_ARG_NONE, &test_fullscreen,
"Test full screen (borderless topmost) mode switching via "
"\"SPACE\" key or \"right mouse button\" click", NULL}
,
{NULL}
};
gint num_repeat = 0;