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Added support for foreign windows to the Win32 backend.

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* clutter/win32/clutter-stage-win32.c
	(clutter_stage_win32_request_coords): Don't resize foreign
	windows.
	(clutter_stage_win32_unrealize): Don't destroy foreign windows.
	(clutter_stage_win32_init): Added initialiser for is_foreign_win.
	(clutter_win32_get_stage_from_window): Resort to looking in the
	stage list if the window isn't the right window class so that it
	can still find stages with foreign windows.
	(clutter_win32_set_stage_foreign): New public function to set a
	foreign window for a stage.

	* clutter/win32/clutter-event-win32.c
	(clutter_win32_disable_event_retrieval): New public function to
	disable event retrieval.
	(message_translate): Don't handle WM_SIZE or WM_MOVE for foreign
	windows.

	* clutter/win32/clutter-backend-win32.h (struct
	_ClutterBackendWin32): Added a flag to disable event retrieval

	* clutter/win32/clutter-backend-win32.c
	(clutter_backend_win32_ensure_context): Update debug note to
	include whether the stage is foreign or not.
This commit is contained in:
Neil Roberts
2008-04-15 16:12:37 +00:00
parent 429f7e64ca
commit 3d1f2a0859
7 changed files with 168 additions and 29 deletions
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64
clutter/win32/clutter-event-win32.c
View File

@ -212,6 +212,28 @@ make_button_event (const MSG *msg, ClutterEvent *event,
event->button.click_count = click_count;
}
/**
* clutter_win32_disable_event_retrieval
*
* Disables retrieval of Windows messages in the main loop. Use to
* create event-less canvas.
*
* This function can only be called before calling clutter_init().
*
* Since: 0.8
*/
void
clutter_win32_disable_event_retrieval (void)
{
ClutterBackendWin32 *backend;
ClutterMainContext *clutter_context;
clutter_context = clutter_context_get_default ();
backend = CLUTTER_BACKEND_WIN32 (clutter_context->backend);
backend->no_event_retrieval = TRUE;
}
static gboolean
clutter_event_prepare (GSource *source,
gint *timeout)
@ -327,34 +349,36 @@ message_translate (ClutterBackend *backend,
switch (msg->message)
{
case WM_SIZE:
{
WORD new_width = LOWORD (msg->lParam);
WORD new_height = HIWORD (msg->lParam);
guint old_width, old_height;
if (!stage_win32->is_foreign_win)
{
WORD new_width = LOWORD (msg->lParam);
WORD new_height = HIWORD (msg->lParam);
guint old_width, old_height;
clutter_actor_get_size (CLUTTER_ACTOR (stage),
&old_width, &old_height);
clutter_actor_get_size (CLUTTER_ACTOR (stage),
&old_width, &old_height);
if (new_width != old_width || new_height != old_height)
clutter_actor_set_size (CLUTTER_ACTOR (stage),
new_width, new_height);
}
if (new_width != old_width || new_height != old_height)
clutter_actor_set_size (CLUTTER_ACTOR (stage),
new_width, new_height);
}
res = FALSE;
break;
case WM_MOVE:
{
WORD new_xpos = GET_X_LPARAM (msg->lParam);
WORD new_ypos = GET_Y_LPARAM (msg->lParam);
guint old_xpos, old_ypos;
if (!stage_win32->is_foreign_win)
{
WORD new_xpos = GET_X_LPARAM (msg->lParam);
WORD new_ypos = GET_Y_LPARAM (msg->lParam);
guint old_xpos, old_ypos;
clutter_actor_get_position (CLUTTER_ACTOR (stage),
&old_xpos, &old_ypos);
clutter_actor_get_position (CLUTTER_ACTOR (stage),
&old_xpos, &old_ypos);
if (new_xpos != old_xpos || new_ypos != old_ypos)
clutter_actor_set_position (CLUTTER_ACTOR (stage),
new_xpos, new_ypos);
}
if (new_xpos != old_xpos || new_ypos != old_ypos)
clutter_actor_set_position (CLUTTER_ACTOR (stage),
new_xpos, new_ypos);
}
res = FALSE;
break;