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Adapt win32 backend to the semantic change of StageWindow

Browse Source 
http://bugzilla.openedhand.com/show_bug.cgi?id=1847

Signed-off-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Samuel Degrande 2009-10-26 16:28:36 +01:00 committed by Neil Roberts
parent b69ee0989b
commit 26ce94eda0
3 changed files with 191 additions and 184 deletions
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32
clutter/win32/clutter-backend-win32.c
View File

@ -231,7 +231,11 @@ static void
clutter_backend_win32_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
if (stage == NULL)
ClutterStageWindow *impl;
if (stage == NULL ||
(CLUTTER_PRIVATE_FLAGS (stage) & CLUTTER_ACTOR_IN_DESTRUCTION) ||
((impl = _clutter_stage_get_window (stage)) == NULL))
{
CLUTTER_NOTE (MULTISTAGE, "Clearing all context");
@ -241,9 +245,7 @@ clutter_backend_win32_ensure_context (ClutterBackend *backend,
{
ClutterBackendWin32 *backend_win32;
ClutterStageWin32 *stage_win32;
ClutterStageWindow *impl;
impl = _clutter_stage_get_window (stage);
g_return_if_fail (impl != NULL);
CLUTTER_NOTE (MULTISTAGE, "Setting context for stage of type %s [%p]",
@ -255,28 +257,28 @@ clutter_backend_win32_ensure_context (ClutterBackend *backend,
/* no GL context to set */
if (backend_win32->gl_context == NULL)
return;
return;
/* we might get here inside the final dispose cycle, so we
* need to handle this gracefully
*/
if (stage_win32->client_dc == NULL)
{
CLUTTER_NOTE (MULTISTAGE,
"Received a stale stage, clearing all context");
{
CLUTTER_NOTE (MULTISTAGE,
"Received a stale stage, clearing all context");
wglMakeCurrent (NULL, NULL);
}
wglMakeCurrent (NULL, NULL);
}
else
{
CLUTTER_NOTE (BACKEND,
{
CLUTTER_NOTE (BACKEND,
"MakeCurrent window %p (%s), context %p",
stage_win32->hwnd,
stage_win32->is_foreign_win ? "foreign" : "native",
backend_win32->gl_context);
wglMakeCurrent (stage_win32->client_dc,
wglMakeCurrent (stage_win32->client_dc,
backend_win32->gl_context);
}
}
}
}
@ -303,14 +305,14 @@ clutter_backend_win32_redraw (ClutterBackend *backend,
SwapBuffers (stage_win32->client_dc);
}
static ClutterActor *
static ClutterStageWindow *
clutter_backend_win32_create_stage (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error)
{
ClutterBackendWin32 *backend_win32 = CLUTTER_BACKEND_WIN32 (backend);
ClutterStageWin32 *stage_win32;
ClutterActor *stage;
ClutterStageWindow *stage;
CLUTTER_NOTE (BACKEND, "Creating stage of type '%s'",
g_type_name (CLUTTER_STAGE_TYPE));

333
clutter/win32/clutter-stage-win32.c
View File

@ -48,75 +48,55 @@ static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
G_DEFINE_TYPE_WITH_CODE (ClutterStageWin32,
clutter_stage_win32,
CLUTTER_TYPE_GROUP,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE
(CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init));
static void
clutter_stage_win32_show (ClutterActor *actor)
clutter_stage_win32_show (ClutterStageWindow *stage_window,
gboolean do_raise)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (actor);
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
if (stage_win32->hwnd)
ShowWindow (stage_win32->hwnd, SW_SHOW);
{
ShowWindow (stage_win32->hwnd, do_raise ? SW_SHOW : SW_SHOWNA);
clutter_stage_ensure_viewport (CLUTTER_STAGE (stage_win32->wrapper));
clutter_actor_map (CLUTTER_ACTOR (stage_win32->wrapper));
}
}
static void
clutter_stage_win32_hide (ClutterActor *actor)
clutter_stage_win32_hide (ClutterStageWindow *stage_window)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (actor);
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
if (stage_win32->hwnd)
ShowWindow (stage_win32->hwnd, SW_HIDE);
{
clutter_actor_unmap (CLUTTER_ACTOR (stage_win32->wrapper));
ShowWindow (stage_win32->hwnd, SW_HIDE);
}
}
static void
clutter_stage_win32_get_preferred_width (ClutterActor *self,
gfloat for_height,
gfloat *min_width_p,
gfloat *natural_width_p)
clutter_stage_win32_get_geometry (ClutterStageWindow *stage_window,
ClutterGeometry *geometry)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (self);
int width;
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
/* If we're in fullscreen mode then return the size of the screen
instead */
if ((stage_win32->state & CLUTTER_STAGE_STATE_FULLSCREEN))
width = stage_win32->fullscreen_rect.right
- stage_win32->fullscreen_rect.left;
else
width = stage_win32->win_width;
{
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;
}
if (min_width_p)
*min_width_p = width;
if (natural_width_p)
*natural_width_p = width;
}
static void
clutter_stage_win32_get_preferred_height (ClutterActor *self,
gfloat for_width,
gfloat *min_height_p,
gfloat *natural_height_p)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (self);
int height;
/* If we're in fullscreen mode then return the size of the screen
instead */
if ((stage_win32->state & CLUTTER_STAGE_STATE_FULLSCREEN))
height = stage_win32->fullscreen_rect.bottom
- stage_win32->fullscreen_rect.top;
else
height = stage_win32->win_height;
if (min_height_p)
*min_height_p = height;
if (natural_height_p)
*natural_height_p = height;
geometry->width = stage_win32->win_width;
geometry->height = stage_win32->win_height;
}
static void
@ -179,46 +159,41 @@ _clutter_stage_win32_get_min_max_info (ClutterStageWin32 *stage_win32,
}
static void
clutter_stage_win32_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
clutter_stage_win32_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (self);
gint new_width, new_height;
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
gboolean resize;
new_width = ABS (box->x2 - box->x1);
new_height = ABS (box->y2 - box->y1);
resize = clutter_stage_get_user_resizable (stage_win32->wrapper);
if (new_width != stage_win32->win_width ||
new_height != stage_win32->win_height)
if (width != stage_win32->win_width || height != stage_win32->win_height)
{
/* Ignore size requests if we are in full screen mode */
if ((stage_win32->state & CLUTTER_STAGE_STATE_FULLSCREEN) == 0)
{
stage_win32->win_width = new_width;
stage_win32->win_height = new_height;
{
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;
if (stage_win32->hwnd != NULL && !stage_win32->is_foreign_win)
{
int full_width, full_height;
get_full_window_size (stage_win32,
new_width, new_height,
&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);
}
}
SetWindowPos (stage_win32->hwnd, NULL,
0, 0,
full_width, full_height,
SWP_NOZORDER | SWP_NOMOVE);
}
}
CLUTTER_SET_PRIVATE_FLAGS (stage_win32->wrapper,
CLUTTER_ACTOR_SYNC_MATRICES);
CLUTTER_ACTOR_SYNC_MATRICES);
}
CLUTTER_ACTOR_CLASS (clutter_stage_win32_parent_class)
->allocate (self, box, flags);
}
static void
@ -226,15 +201,32 @@ clutter_stage_win32_set_title (ClutterStageWindow *stage_window,
const gchar *title)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
wchar_t *wtitle;
/* Empty window titles not allowed, so set it to just a period. */
if (title == NULL || !title[0])
title = ".";
wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
SetWindowTextW (stage_win32->hwnd, wtitle);
g_free (wtitle);
if (stage_win32->wtitle != NULL)
g_free (stage_win32->wtitle);
stage_win32->wtitle = g_utf8_to_utf16 (title, -1, NULL, NULL, NULL);
/* If the window is not yet created, the title will be set during the
window creation */
if (stage_win32->hwnd != NULL)
SetWindowTextW (stage_win32->hwnd, stage_win32->wtitle);
}
static void
clutter_stage_win32_set_cursor_visible (ClutterStageWindow *stage_window,
gboolean cursor_visible)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
if (stage_win32->is_cursor_visible != cursor_visible &&
stage_win32->tracking_mouse)
ShowCursor (cursor_visible);
stage_win32->is_cursor_visible = cursor_visible;
}
static LONG
@ -296,31 +288,31 @@ clutter_stage_win32_set_fullscreen (ClutterStageWindow *stage_window,
| (old_style & WS_VISIBLE));
/* Update the window size */
if (value)
{
get_fullscreen_rect (stage_win32);
SetWindowPos (hwnd, HWND_TOP,
stage_win32->fullscreen_rect.left,
stage_win32->fullscreen_rect.top,
stage_win32->fullscreen_rect.right
- stage_win32->fullscreen_rect.left,
stage_win32->fullscreen_rect.bottom
- stage_win32->fullscreen_rect.top,
0);
}
{
get_fullscreen_rect (stage_win32);
SetWindowPos (hwnd, HWND_TOP,
stage_win32->fullscreen_rect.left,
stage_win32->fullscreen_rect.top,
stage_win32->fullscreen_rect.right
- stage_win32->fullscreen_rect.left,
stage_win32->fullscreen_rect.bottom
- stage_win32->fullscreen_rect.top,
0);
}
else
{
int full_width, full_height;
{
int full_width, full_height;
get_full_window_size (stage_win32,
stage_win32->win_width,
stage_win32->win_height,
&full_width, &full_height);
get_full_window_size (stage_win32,
stage_win32->win_width,
stage_win32->win_height,
&full_width, &full_height);
SetWindowPos (stage_win32->hwnd, NULL,
0, 0,
full_width, full_height,
SWP_NOZORDER | SWP_NOMOVE);
}
SetWindowPos (stage_win32->hwnd, NULL,
0, 0,
full_width, full_height,
SWP_NOZORDER | SWP_NOMOVE);
}
CLUTTER_SET_PRIVATE_FLAGS (stage_win32->wrapper,
CLUTTER_ACTOR_SYNC_MATRICES);
@ -441,10 +433,10 @@ clutter_stage_win32_choose_pixel_format (HDC dc, PIXELFORMATDESCRIPTOR *pfd)
already found */
&& (best_pf == 0
|| clutter_stage_win32_pixel_format_is_better (&best_pfd, pfd)))
{
best_pf = i;
best_pfd = *pfd;
}
{
best_pf = i;
best_pfd = *pfd;
}
}
*pfd = best_pfd;
@ -452,10 +444,10 @@ clutter_stage_win32_choose_pixel_format (HDC dc, PIXELFORMATDESCRIPTOR *pfd)
return best_pf;
}
static void
clutter_stage_win32_realize (ClutterActor *actor)
static gboolean
clutter_stage_win32_realize (ClutterStageWindow *stage_window)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (actor);
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
ClutterBackendWin32 *backend_win32;
PIXELFORMATDESCRIPTOR pfd;
int pf;
@ -470,33 +462,36 @@ clutter_stage_win32_realize (ClutterActor *actor)
int win_xpos, win_ypos, win_width, win_height;
if (window_class == 0)
{
{
g_critical ("Unable to register window class");
goto fail;
}
goto fail;
}
/* If we're in fullscreen mode then use the fullscreen rect
instead */
instead */
if ((stage_win32->state & CLUTTER_STAGE_STATE_FULLSCREEN))
{
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.left - win_ypos;
}
{
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.left - win_ypos;
}
else
{
win_xpos = win_ypos = CW_USEDEFAULT;
{
win_xpos = win_ypos = CW_USEDEFAULT;
get_full_window_size (stage_win32,
stage_win32->win_width,
stage_win32->win_height,
&win_width, &win_height);
}
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),
L".",
stage_win32->wtitle,
get_window_style (stage_win32),
win_xpos,
win_ypos,
@ -507,13 +502,13 @@ clutter_stage_win32_realize (ClutterActor *actor)
NULL);
if (stage_win32->hwnd == NULL)
{
g_critical ("Unable to create stage window");
goto fail;
}
{
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 */
so we can quickly access it in the window procedure */
SetWindowLongPtrW (stage_win32->hwnd, 0, (LONG_PTR) stage_win32);
}
@ -535,39 +530,32 @@ clutter_stage_win32_realize (ClutterActor *actor)
backend_win32->gl_context = wglCreateContext (stage_win32->client_dc);
if (backend_win32->gl_context == NULL)
{
g_critical ("Unable to create suitable GL context");
goto fail;
}
{
g_critical ("Unable to create suitable GL context");
goto fail;
}
/* Make the context current so we can check the GL version */
wglMakeCurrent (stage_win32->client_dc, backend_win32->gl_context);
if (!clutter_stage_win32_check_gl_version ())
{
g_critical ("OpenGL version number is too low");
goto fail;
}
{
g_critical ("OpenGL version number is too low");
goto fail;
}
}
CLUTTER_NOTE (BACKEND, "Successfully realized stage");
return;
return TRUE;
fail:
CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
return FALSE;
}
static void
clutter_stage_win32_unrealize (ClutterActor *actor)
clutter_stage_win32_unprepare_window (ClutterStageWin32 *stage_win32)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (actor);
CLUTTER_NOTE (BACKEND, "Unrealizing stage");
if (CLUTTER_ACTOR_CLASS (clutter_stage_win32_parent_class)->unrealize != NULL)
CLUTTER_ACTOR_CLASS (clutter_stage_win32_parent_class)->unrealize (actor);
if (stage_win32->client_dc)
{
ReleaseDC (stage_win32->hwnd, stage_win32->client_dc);
@ -577,20 +565,38 @@ clutter_stage_win32_unrealize (ClutterActor *actor)
if (!stage_win32->is_foreign_win && stage_win32->hwnd)
{
/* Drop the pointer to this stage in the window so that any
further messages won't be processed. The stage might be being
destroyed so otherwise the messages would be handled with an
invalid stage instance */
further messages won't be processed. The stage might be being
destroyed so otherwise the messages would be handled with an
invalid stage instance */
SetWindowLongPtrW (stage_win32->hwnd, 0, (LONG_PTR) 0);
DestroyWindow (stage_win32->hwnd);
stage_win32->hwnd = NULL;
}
}
static void
clutter_stage_win32_unrealize (ClutterStageWindow *stage_window)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (stage_window);
CLUTTER_NOTE (BACKEND, "Unrealizing stage");
clutter_stage_win32_unprepare_window (stage_win32);
}
static void
clutter_stage_win32_dispose (GObject *gobject)
{
ClutterStageWin32 *stage_win32 = CLUTTER_STAGE_WIN32 (gobject);
/* Make sure that context and window are destroyed in case unrealize
* hasn't been called yet.
*/
if (stage_win32->hwnd)
clutter_stage_win32_unprepare_window (stage_win32);
if (stage_win32->wtitle)
g_free (stage_win32->wtitle);
G_OBJECT_CLASS (clutter_stage_win32_parent_class)->dispose (gobject);
}
@ -598,15 +604,8 @@ static void
clutter_stage_win32_class_init (ClutterStageWin32Class *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
gobject_class->dispose = clutter_stage_win32_dispose;
actor_class->get_preferred_width = clutter_stage_win32_get_preferred_width;
actor_class->get_preferred_height = clutter_stage_win32_get_preferred_height;
actor_class->allocate = clutter_stage_win32_allocate;
actor_class->realize = clutter_stage_win32_realize;
actor_class->unrealize = clutter_stage_win32_unrealize;
}
static void
@ -619,7 +618,8 @@ clutter_stage_win32_init (ClutterStageWin32 *stage)
stage->backend = NULL;
stage->scroll_pos = 0;
stage->is_foreign_win = FALSE;
stage->wtitle = NULL;
stage->is_cursor_visible = TRUE;
stage->wrapper = NULL;
CLUTTER_SET_PRIVATE_FLAGS (stage, CLUTTER_ACTOR_IS_TOPLEVEL);
@ -631,9 +631,14 @@ clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
iface->get_wrapper = clutter_stage_win32_get_wrapper;
iface->set_title = clutter_stage_win32_set_title;
iface->set_fullscreen = clutter_stage_win32_set_fullscreen;
iface->set_cursor_visible = clutter_stage_win32_set_cursor_visible;
iface->set_user_resizable = clutter_stage_win32_set_user_resize;
iface->show = clutter_stage_win32_show;
iface->hide = clutter_stage_win32_hide;
iface->resize = clutter_stage_win32_resize;
iface->get_geometry = clutter_stage_win32_get_geometry;
iface->realize = clutter_stage_win32_realize;
iface->unrealize = clutter_stage_win32_unrealize;
}
/**
@ -773,7 +778,6 @@ clutter_win32_set_stage_foreign (ClutterStage *stage,
void
clutter_stage_win32_map (ClutterStageWin32 *stage_win32)
{
clutter_actor_map (CLUTTER_ACTOR (stage_win32));
clutter_actor_map (CLUTTER_ACTOR (stage_win32->wrapper));
clutter_actor_queue_relayout (CLUTTER_ACTOR (stage_win32->wrapper));
@ -782,6 +786,5 @@ clutter_stage_win32_map (ClutterStageWin32 *stage_win32)
void
clutter_stage_win32_unmap (ClutterStageWin32 *stage_win32)
{
clutter_actor_unmap (CLUTTER_ACTOR (stage_win32));
clutter_actor_unmap (CLUTTER_ACTOR (stage_win32->wrapper));
}

2
clutter/win32/clutter-stage-win32.h
View File

@ -52,6 +52,8 @@ struct _ClutterStageWin32
RECT fullscreen_rect;
gboolean is_foreign_win;
gboolean tracking_mouse;
wchar_t *wtitle;
gboolean is_cursor_visible;
ClutterBackendWin32 *backend;
ClutterStageState state;