static void
clutter_stage_gdk_set_gdk_geometry (ClutterStageGdk *stage)
{
GdkGeometry geometry;
ClutterStage *wrapper = CLUTTER_STAGE_COGL (stage)->wrapper;
gboolean resize = clutter_stage_get_user_resizable (wrapper);
if (!resize)
{
geometry.min_width = geometry.max_width = gdk_window_get_width (stage->window);
geometry.min_height = geometry.max_height = gdk_window_get_height (stage->window);
gdk_window_set_geometry_hints (stage->window,
&geometry,
GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
}
else
{
clutter_stage_get_minimum_size (wrapper,
(guint *)&geometry.min_width,
(guint *)&geometry.min_height);
gdk_window_set_geometry_hints (stage->window,
&geometry,
GDK_HINT_MIN_SIZE);
}
}
static void
clutter_stage_win32_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
gboolean resize;
resize = clutter_stage_get_user_resizable (stage_win32->wrapper);
if (width != stage_win32->win_width || height != stage_win32->win_height)
{
/* Ignore size requests if we are in full screen mode */
if (!_clutter_stage_is_fullscreen (stage_win32->wrapper))
{
stage_win32->win_width = width;
stage_win32->win_height = height;
if (stage_win32->hwnd != NULL && !stage_win32->is_foreign_win)
{
int full_width, full_height;
get_full_window_size (stage_win32,
width, height,
&full_width, &full_height);
SetWindowPos (stage_win32->hwnd, NULL,
0, 0,
full_width, full_height,
SWP_NOZORDER | SWP_NOMOVE);
}
}
}
}
static void
get_full_window_size (ClutterStageWin32 *stage_win32,
int width_in, int height_in,
int *width_out, int *height_out)
{
gboolean resizable
= clutter_stage_get_user_resizable (stage_win32->wrapper);
/* The window size passed to CreateWindow includes the window
decorations */
gint frame_width, frame_height;
#if !defined (_MSC_VER) || (_MSC_VER < 1700)
frame_width = GetSystemMetrics (resizable ? SM_CXSIZEFRAME : SM_CXFIXEDFRAME);
frame_height = GetSystemMetrics (resizable ? SM_CYSIZEFRAME : SM_CYFIXEDFRAME);
#else
/* MSVC 2012 and later returns wrong values from GetSystemMetrics()
* http://connect.microsoft.com/VisualStudio/feedback/details/753224/regression-getsystemmetrics-delivers-different-values
*
* For AdjustWindowRectEx(), it doesn't matter much whether the Window is resizble.
*/
RECT cxrect = {0, 0, 0, 0};
AdjustWindowRectEx (&cxrect, WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_THICKFRAME | WS_DLGFRAME, FALSE, 0);
frame_width = abs (cxrect.bottom);
frame_height = abs (cxrect.left);
#endif
*width_out = width_in + frame_width * 2;
*height_out = height_in + frame_height * 2 + GetSystemMetrics (SM_CYCAPTION);
}
static void
clutter_stage_x11_fix_window_size (ClutterStageX11 *stage_x11,
gint new_width,
gint new_height)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_x11);
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (stage_cogl->backend);
if (stage_x11->xwin != None && !stage_x11->is_foreign_xwin)
{
guint min_width, min_height;
XSizeHints *size_hints;
gboolean resize;
resize = clutter_stage_get_user_resizable (stage_cogl->wrapper);
size_hints = XAllocSizeHints();
clutter_stage_get_minimum_size (stage_cogl->wrapper,
&min_width,
&min_height);
if (new_width <= 0)
new_width = min_width;
if (new_height <= 0)
new_height = min_height;
size_hints->flags = 0;
/* If we are going fullscreen then we don't want any
restrictions on the window size */
if (!stage_x11->fullscreening)
{
if (resize)
{
size_hints->min_width = min_width;
size_hints->min_height = min_height;
size_hints->flags = PMinSize;
}
else
{
size_hints->min_width = new_width;
size_hints->min_height = new_height;
size_hints->max_width = new_width;
size_hints->max_height = new_height;
size_hints->flags = PMinSize | PMaxSize;
}
}
XSetWMNormalHints (backend_x11->xdpy, stage_x11->xwin, size_hints);
XFree(size_hints);
}
}
static void
get_full_window_size (ClutterStageWin32 *stage_win32,
int width_in, int height_in,
int *width_out, int *height_out)
{
gboolean resizable
= clutter_stage_get_user_resizable (stage_win32->wrapper);
/* The window size passed to CreateWindow includes the window
decorations */
*width_out = width_in + GetSystemMetrics (resizable ? SM_CXSIZEFRAME
: SM_CXFIXEDFRAME) * 2;
*height_out = height_in + GetSystemMetrics (resizable ? SM_CYSIZEFRAME
: SM_CYFIXEDFRAME) * 2
+ GetSystemMetrics (SM_CYCAPTION);
}
static LONG
get_window_style (ClutterStageWin32 *stage_win32)
{
ClutterStage *wrapper = stage_win32->wrapper;
/* Fullscreen mode shouldn't have any borders */
if ((stage_win32->state & CLUTTER_STAGE_STATE_FULLSCREEN))
return WS_POPUP;
/* Otherwise it's an overlapped window but if it isn't resizable
then it shouldn't have a thick frame */
else if (clutter_stage_get_user_resizable (wrapper))
return WS_OVERLAPPEDWINDOW;
else
return WS_OVERLAPPEDWINDOW & ~WS_THICKFRAME & ~WS_MAXIMIZEBOX;
}
static LONG
get_requested_window_style (ClutterStageWin32 *stage_win32,
gboolean want_fullscreen)
{
ClutterStage *wrapper = stage_win32->wrapper;
/* Fullscreen mode shouldn't have any borders */
if (want_fullscreen)
return WS_POPUP;
/* Otherwise it's an overlapped window but if it isn't resizable
then it shouldn't have a thick frame */
else if (clutter_stage_get_user_resizable (wrapper))
return WS_OVERLAPPEDWINDOW;
else
return WS_OVERLAPPEDWINDOW & ~WS_THICKFRAME & ~WS_MAXIMIZEBOX;
}
void
_clutter_stage_win32_get_min_max_info (ClutterStageWin32 *stage_win32,
MINMAXINFO *min_max_info)
{
/* If the window isn't resizable then set the max and min size to
the current size */
if (!clutter_stage_get_user_resizable (CLUTTER_STAGE (stage_win32->wrapper)))
{
int full_width, full_height;
get_full_window_size (stage_win32,
stage_win32->win_width, stage_win32->win_height,
&full_width, &full_height);
min_max_info->ptMaxTrackSize.x = full_width;
min_max_info->ptMinTrackSize.x = full_width;
min_max_info->ptMaxTrackSize.y = full_height;
min_max_info->ptMinTrackSize.y = full_height;
}
}
