static void
clutter_stage_x11_get_geometry (ClutterStageWindow *stage_window,
cairo_rectangle_int_t *geometry)
{
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_x11);
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (stage_cogl->backend);
geometry->x = geometry->y = 0;
/* If we're fullscreen, return the size of the display.
*
* FIXME - this is utterly broken for anything that is not a single
* head set up; the window manager will give us the right size in a
* ConfigureNotify, but between the fullscreen signal emission on the
* stage and the following frame, the size returned by the stage will
* be wrong.
*/
if (_clutter_stage_is_fullscreen (stage_cogl->wrapper) &&
stage_x11->fullscreening)
{
geometry->width = DisplayWidth (backend_x11->xdpy, backend_x11->xscreen_num);
geometry->height = DisplayHeight (backend_x11->xdpy, backend_x11->xscreen_num);
return;
}
geometry->width = stage_x11->xwin_width;
geometry->height = stage_x11->xwin_height;
}
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 LONG
get_window_style (ClutterStageWin32 *stage_win32)
{
ClutterStage *wrapper = stage_win32->wrapper;
return get_requested_window_style (stage_win32,
_clutter_stage_is_fullscreen (wrapper));
}
static void
clutter_stage_win32_get_geometry (ClutterStageWindow *stage_window,
cairo_rectangle_int_t *geometry)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
if (_clutter_stage_is_fullscreen (stage_win32->wrapper))
{
geometry->width = stage_win32->fullscreen_rect.right
- stage_win32->fullscreen_rect.left;
geometry->height = stage_win32->fullscreen_rect.bottom
- stage_win32->fullscreen_rect.top;
return;
}
geometry->width = stage_win32->win_width;
geometry->height = stage_win32->win_height;
}
static ClutterTranslateReturn
clutter_stage_x11_translate_event (ClutterEventTranslator *translator,
gpointer native,
ClutterEvent *event)
{
ClutterStageX11 *stage_x11;
ClutterStageCogl *stage_cogl;
ClutterTranslateReturn res = CLUTTER_TRANSLATE_CONTINUE;
ClutterBackendX11 *backend_x11;
Window stage_xwindow;
XEvent *xevent = native;
ClutterStage *stage;
stage_cogl = clutter_x11_get_stage_window_from_window (xevent->xany.window);
if (stage_cogl == NULL)
return CLUTTER_TRANSLATE_CONTINUE;
stage = stage_cogl->wrapper;
stage_x11 = CLUTTER_STAGE_X11 (stage_cogl);
backend_x11 = CLUTTER_BACKEND_X11 (stage_cogl->backend);
stage_xwindow = stage_x11->xwin;
switch (xevent->type)
{
case ConfigureNotify:
if (!stage_x11->is_foreign_xwin)
{
gboolean size_changed = FALSE;
CLUTTER_NOTE (BACKEND, "ConfigureNotify[%x] (%d, %d)",
(unsigned int) stage_x11->xwin,
xevent->xconfigure.width,
xevent->xconfigure.height);
/* When fullscreen, we'll keep the xwin_width/height
variables to track the old size of the window and we'll
assume all ConfigureNotifies constitute a size change */
if (_clutter_stage_is_fullscreen (stage))
size_changed = TRUE;
else if ((stage_x11->xwin_width != xevent->xconfigure.width) ||
(stage_x11->xwin_height != xevent->xconfigure.height))
{
size_changed = TRUE;
stage_x11->xwin_width = xevent->xconfigure.width;
stage_x11->xwin_height = xevent->xconfigure.height;
}
clutter_actor_set_size (CLUTTER_ACTOR (stage),
xevent->xconfigure.width,
xevent->xconfigure.height);
CLUTTER_UNSET_PRIVATE_FLAGS (stage_cogl->wrapper, CLUTTER_IN_RESIZE);
if (size_changed)
{
/* XXX: This is a workaround for a race condition when
* resizing windows while there are in-flight
* glXCopySubBuffer blits happening.
*
* The problem stems from the fact that rectangles for the
* blits are described relative to the bottom left of the
* window and because we can't guarantee control over the X
* window gravity used when resizing so the gravity is
* typically NorthWest not SouthWest.
*
* This means if you grow a window vertically the server
* will make sure to place the old contents of the window
* at the top-left/north-west of your new larger window, but
* that may happen asynchronous to GLX preparing to do a
* blit specified relative to the bottom-left/south-west of
* the window (based on the old smaller window geometry).
*
* When the GLX issued blit finally happens relative to the
* new bottom of your window, the destination will have
* shifted relative to the top-left where all the pixels you
* care about are so it will result in a nasty artefact
* making resizing look very ugly!
*
* We can't currently fix this completely, in-part because
* the window manager tends to trample any gravity we might
* set. This workaround instead simply disables blits for a
* while if we are notified of any resizes happening so if
* the user is resizing a window via the window manager then
* they may see an artefact for one frame but then we will
* fallback to redrawing the full stage until the cooling
* off period is over.
*/
if (stage_x11->clipped_redraws_cool_off)
g_source_remove (stage_x11->clipped_redraws_cool_off);
stage_x11->clipped_redraws_cool_off =
clutter_threads_add_timeout (1000,
clipped_redraws_cool_off_cb,
stage_x11);
/* Queue a relayout - we want glViewport to be called
* with the correct values, and this is done in ClutterStage
* via cogl_onscreen_clutter_backend_set_size ().
*
* We queue a relayout, because if this ConfigureNotify is
* in response to a size we set in the application, the
* set_size() call above is essentially a null-op.
*
* Make sure we do this only when the size has changed,
* otherwise we end up relayouting on window moves.
*/
clutter_actor_queue_relayout (CLUTTER_ACTOR (stage));
/* the resize process is complete, so we can ask the stage
* to set up the GL viewport with the new size
*/
clutter_stage_ensure_viewport (stage);
}
}
break;
case PropertyNotify:
if (xevent->xproperty.atom == backend_x11->atom_NET_WM_STATE &&
xevent->xproperty.window == stage_xwindow &&
!stage_x11->is_foreign_xwin)
{
Atom type;
gint format;
gulong n_items, bytes_after;
guchar *data = NULL;
gboolean fullscreen_set = FALSE;
clutter_x11_trap_x_errors ();
XGetWindowProperty (backend_x11->xdpy, stage_xwindow,
backend_x11->atom_NET_WM_STATE,
0, G_MAXLONG,
False, XA_ATOM,
&type, &format, &n_items,
&bytes_after, &data);
clutter_x11_untrap_x_errors ();
if (type != None && data != NULL)
{
gboolean is_fullscreen = FALSE;
Atom *atoms = (Atom *) data;
gulong i;
for (i = 0; i < n_items; i++)
{
if (atoms[i] == backend_x11->atom_NET_WM_STATE_FULLSCREEN)
fullscreen_set = TRUE;
}
is_fullscreen = _clutter_stage_is_fullscreen (stage_cogl->wrapper);
if (fullscreen_set != is_fullscreen)
{
if (fullscreen_set)
_clutter_stage_update_state (stage_cogl->wrapper,
0,
CLUTTER_STAGE_STATE_FULLSCREEN);
else
_clutter_stage_update_state (stage_cogl->wrapper,
CLUTTER_STAGE_STATE_FULLSCREEN,
0);
}
XFree (data);
}
}
break;
case FocusIn:
if (!_clutter_stage_is_activated (stage_cogl->wrapper))
{
_clutter_stage_update_state (stage_cogl->wrapper,
0,
CLUTTER_STAGE_STATE_ACTIVATED);
}
break;
case FocusOut:
if (_clutter_stage_is_activated (stage_cogl->wrapper))
{
_clutter_stage_update_state (stage_cogl->wrapper,
CLUTTER_STAGE_STATE_ACTIVATED,
0);
}
break;
case EnterNotify:
#if HAVE_XFIXES
if (!stage_x11->is_cursor_visible && !stage_x11->cursor_hidden_xfixes)
{
XFixesHideCursor (backend_x11->xdpy, stage_x11->xwin);
stage_x11->cursor_hidden_xfixes = TRUE;
}
#endif
break;
case LeaveNotify:
#if HAVE_XFIXES
if (stage_x11->cursor_hidden_xfixes)
{
XFixesShowCursor (backend_x11->xdpy, stage_x11->xwin);
stage_x11->cursor_hidden_xfixes = FALSE;
}
#endif
break;
case Expose:
{
XExposeEvent *expose = (XExposeEvent *) xevent;
cairo_rectangle_int_t clip;
CLUTTER_NOTE (EVENT,
"expose for stage: %s[%p], win:0x%x - "
"redrawing area (x: %d, y: %d, width: %d, height: %d)",
_clutter_actor_get_debug_name (CLUTTER_ACTOR (stage)),
stage,
(unsigned int) stage_xwindow,
expose->x,
expose->y,
expose->width,
expose->height);
clip.x = expose->x;
clip.y = expose->y;
clip.width = expose->width;
clip.height = expose->height;
clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (stage), &clip);
}
break;
case DestroyNotify:
CLUTTER_NOTE (EVENT,
"Destroy notification received for stage %s[%p], win:0x%x",
_clutter_actor_get_debug_name (CLUTTER_ACTOR (stage)),
stage,
(unsigned int) stage_xwindow);
event->any.type = CLUTTER_DESTROY_NOTIFY;
event->any.stage = stage;
res = CLUTTER_TRANSLATE_QUEUE;
break;
case ClientMessage:
CLUTTER_NOTE (EVENT, "Client message for stage %s[%p], win:0x%x",
_clutter_actor_get_debug_name (CLUTTER_ACTOR (stage)),
stage,
(unsigned int) stage_xwindow);
if (handle_wm_protocols_event (backend_x11, stage_x11, xevent))
{
event->any.type = CLUTTER_DELETE;
event->any.stage = stage;
res = CLUTTER_TRANSLATE_QUEUE;
}
break;
case MappingNotify:
CLUTTER_NOTE (EVENT, "Refresh keyboard mapping");
XRefreshKeyboardMapping (&xevent->xmapping);
backend_x11->keymap_serial += 1;
res = CLUTTER_TRANSLATE_REMOVE;
break;
default:
res = CLUTTER_TRANSLATE_CONTINUE;
break;
}
return res;
}
static void
clutter_stage_x11_set_fullscreen (ClutterStageWindow *stage_window,
gboolean is_fullscreen)
{
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_x11);
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (stage_cogl->backend);
ClutterStage *stage = stage_cogl->wrapper;
gboolean was_fullscreen;
if (stage == NULL || CLUTTER_ACTOR_IN_DESTRUCTION (stage))
return;
was_fullscreen = _clutter_stage_is_fullscreen (stage);
is_fullscreen = !!is_fullscreen;
if (was_fullscreen == is_fullscreen)
return;
CLUTTER_NOTE (BACKEND, "%ssetting fullscreen", is_fullscreen ? "" : "un");
if (is_fullscreen)
{
#if 0
int width, height;
/* FIXME: this will do the wrong thing for dual-headed
displays. This will return the size of the combined display
but Metacity (at least) will fullscreen to only one of the
displays. This will cause the actor to report the wrong size
until the ConfigureNotify for the correct size is received */
width = DisplayWidth (backend_x11->xdpy, backend_x11->xscreen_num);
height = DisplayHeight (backend_x11->xdpy, backend_x11->xscreen_num);
#endif
/* Set the fullscreen hint so we can retain the old size of the window. */
stage_x11->fullscreening = TRUE;
if (stage_x11->xwin != None)
{
/* if the actor is not mapped we resize the stage window to match
* the size of the screen; this is useful for e.g. EGLX to avoid
* a resize when calling clutter_stage_fullscreen() before showing
* the stage
*/
if (!STAGE_X11_IS_MAPPED (stage_x11))
{
CLUTTER_NOTE (BACKEND, "Fullscreening unmapped stage");
update_state (stage_x11, backend_x11,
&backend_x11->atom_NET_WM_STATE_FULLSCREEN,
TRUE);
}
else
{
CLUTTER_NOTE (BACKEND, "Fullscreening mapped stage");
/* We need to fix the window size so that it will remove
the maximum and minimum window hints. Otherwise
metacity will honour the restrictions and not
fullscreen correctly. */
clutter_stage_x11_fix_window_size (stage_x11, -1, -1);
send_wmspec_change_state (backend_x11, stage_x11->xwin,
backend_x11->atom_NET_WM_STATE_FULLSCREEN,
TRUE);
}
}
else
stage_x11->fullscreen_on_realize = TRUE;
}
else
{
stage_x11->fullscreening = FALSE;
if (stage_x11->xwin != None)
{
if (!STAGE_X11_IS_MAPPED (stage_x11))
{
CLUTTER_NOTE (BACKEND, "Un-fullscreening unmapped stage");
update_state (stage_x11, backend_x11,
&backend_x11->atom_NET_WM_STATE_FULLSCREEN,
FALSE);
}
else
{
CLUTTER_NOTE (BACKEND, "Un-fullscreening mapped stage");
send_wmspec_change_state (backend_x11,
stage_x11->xwin,
backend_x11->atom_NET_WM_STATE_FULLSCREEN,
FALSE);
/* Fix the window size to restore the minimum/maximum
restriction */
clutter_stage_x11_fix_window_size (stage_x11,
stage_x11->xwin_width,
stage_x11->xwin_height);
}
}
else
stage_x11->fullscreen_on_realize = FALSE;
}
/* XXX: Note we rely on the ConfigureNotify mechanism as the common
* mechanism to handle notifications of new X window sizes from the
* X server so we don't actively change the stage viewport here or
* queue a relayout etc. */
}
static gboolean
clutter_stage_win32_realize (ClutterStageWindow *stage_window)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
ClutterBackend *backend;
ClutterBackendWin32 *backend_win32;
CoglFramebuffer *framebuffer;
gfloat width;
gfloat height;
GError *error = NULL;
CLUTTER_NOTE (MISC, "Realizing main stage");
backend = CLUTTER_BACKEND (stage_win32->backend);
backend_win32 = CLUTTER_BACKEND_WIN32 (backend);
clutter_actor_get_size (CLUTTER_ACTOR (stage_win32->wrapper),
&width, &height);
stage_win32->onscreen = cogl_onscreen_new (backend->cogl_context,
width, height);
if (stage_win32->hwnd == NULL)
{
ATOM window_class = clutter_stage_win32_get_window_class ();
int win_xpos, win_ypos, win_width, win_height;
if (window_class == 0)
{
g_critical ("Unable to register window class");
goto fail;
}
/* If we're in fullscreen mode then use the fullscreen rect
instead */
if (_clutter_stage_is_fullscreen (stage_win32->wrapper))
{
get_fullscreen_rect (stage_win32);
win_xpos = stage_win32->fullscreen_rect.left;
win_ypos = stage_win32->fullscreen_rect.top;
win_width = stage_win32->fullscreen_rect.right - win_xpos;
win_height = stage_win32->fullscreen_rect.bottom - win_ypos;
}
else
{
win_xpos = win_ypos = CW_USEDEFAULT;
get_full_window_size (stage_win32,
stage_win32->win_width,
stage_win32->win_height,
&win_width, &win_height);
}
if (stage_win32->wtitle == NULL)
stage_win32->wtitle = g_utf8_to_utf16 (".", -1, NULL, NULL, NULL);
stage_win32->hwnd = CreateWindowW ((LPWSTR) MAKEINTATOM (window_class),
stage_win32->wtitle,
get_window_style (stage_win32),
win_xpos,
win_ypos,
win_width,
win_height,
NULL, NULL,
GetModuleHandle (NULL),
NULL);
if (stage_win32->hwnd == NULL)
{
g_critical ("Unable to create stage window");
goto fail;
}
/* Store a pointer to the actor in the extra bytes of the window
so we can quickly access it in the window procedure */
SetWindowLongPtrW (stage_win32->hwnd, 0, (LONG_PTR) stage_win32);
}
cogl_win32_onscreen_set_foreign_window (stage_win32->onscreen,
stage_win32->hwnd);
cogl_onscreen_set_swap_throttled (stage_win32->onscreen,
_clutter_get_sync_to_vblank ());
framebuffer = COGL_FRAMEBUFFER (stage_win32->onscreen);
if (!cogl_framebuffer_allocate (framebuffer, &error))
{
g_warning ("Failed to allocate stage: %s", error->message);
g_error_free (error);
cogl_object_unref (stage_win32->onscreen);
stage_win32->onscreen = NULL;
goto fail;
}
/* Create a context. This will be a no-op if we already have one */
if (!_clutter_backend_create_context (CLUTTER_BACKEND (backend_win32),
&error))
{
g_critical ("Unable to realize stage: %s", error->message);
g_error_free (error);
goto fail;
}
CLUTTER_NOTE (BACKEND, "Successfully realized stage");
return TRUE;
fail:
return FALSE;
}
