/**
* clutter_win32_get_stage_from_window:
* @hwnd: a window handle
*
* Gets the stage for a particular window.
*
* Return value: The stage or NULL if a stage does not exist for the
* window.
*
* Since: 0.8
*/
ClutterStage *
clutter_win32_get_stage_from_window (HWND hwnd)
{
/* Check whether the window handle is an instance of the stage
window class */
if ((ATOM) GetClassLongPtrW (hwnd, GCW_ATOM)
== clutter_stage_win32_get_window_class ())
/* If it is there should be a pointer to the stage in the window
extra data */
return CLUTTER_STAGE_WIN32 (GetWindowLongPtrW (hwnd, 0))->wrapper;
else
{
/* Otherwise it might be a foreign window so we should check the
stage list */
ClutterStageManager *stage_manager;
const GSList *stages, *l;
stage_manager = clutter_stage_manager_get_default ();
stages = clutter_stage_manager_peek_stages (stage_manager);
for (l = stages; l != NULL; l = l->next)
{
ClutterStage *stage = l->data;
ClutterStageWindow *impl;
impl = _clutter_stage_get_window (stage);
g_assert (CLUTTER_IS_STAGE_WIN32 (impl));
if (CLUTTER_STAGE_WIN32 (impl)->hwnd == hwnd)
return stage;
}
}
return NULL;
}
static void
clutter_backend_win32_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWin32 *stage_win32 =
CLUTTER_STAGE_WIN32 (_clutter_stage_get_window (stage));
cogl_set_framebuffer (COGL_FRAMEBUFFER (stage_win32->onscreen));
}
/**
* clutter_win32_set_stage_foreign:
* @stage: a #ClutterStage
* @hwnd: an existing window handle
*
* Target the #ClutterStage to use an existing external window handle.
*
* Return value: %TRUE if foreign window is valid
*
* Since: 0.8
*/
gboolean
clutter_win32_set_stage_foreign (ClutterStage *stage,
HWND hwnd)
{
ClutterStageWin32 *stage_win32;
ClutterStageWindow *impl;
ClutterActor *actor;
RECT client_rect;
ForeignWindowData fwd;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
g_return_val_if_fail (hwnd != NULL, FALSE);
actor = CLUTTER_ACTOR (stage);
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
if (!GetClientRect (hwnd, &client_rect))
{
g_warning ("Unable to retrieve the new window geometry");
return FALSE;
}
fwd.stage_win32 = stage_win32;
fwd.hwnd = hwnd;
/* destroy the old HWND, if we have one and it's ours */
if (stage_win32->hwnd != NULL && !stage_win32->is_foreign_win)
fwd.destroy_old_hwnd = TRUE;
else
fwd.destroy_old_hwnd = FALSE;
fwd.geom.x = 0;
fwd.geom.y = 0;
fwd.geom.width = client_rect.right - client_rect.left;
fwd.geom.height = client_rect.bottom - client_rect.top;
_clutter_actor_rerealize (actor,
set_foreign_window_callback,
&fwd);
/* Queue a relayout - so the stage will be allocated the new
* window size.
*
* Note also that when the stage gets allocated the new
* window size that will result in the stage's
* priv->viewport being changed, which will in turn result
* in the Cogl viewport changing when _clutter_do_redraw
* calls _clutter_stage_maybe_setup_viewport().
*/
clutter_actor_queue_relayout (CLUTTER_ACTOR (stage));
return TRUE;
}
/**
* clutter_x11_get_stage_window: (skip)
* @stage: a #ClutterStage
*
* Gets the stages X Window.
*
* Return value: An XID for the stage window.
*
*
*/
Window
clutter_x11_get_stage_window (ClutterStage *stage)
{
ClutterStageWindow *impl;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), None);
impl = _clutter_stage_get_window (stage);
g_assert (CLUTTER_IS_STAGE_X11 (impl));
return CLUTTER_STAGE_X11 (impl)->xwin;
}
/**
* clutter_win32_get_stage_window:
* @stage: a #ClutterStage
*
* Gets the stage's window handle
*
* Return value: An HWND for the stage window.
*
* Since: 0.8
*/
HWND
clutter_win32_get_stage_window (ClutterStage *stage)
{
ClutterStageWindow *impl;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
impl = _clutter_stage_get_window (stage);
g_return_val_if_fail (CLUTTER_IS_STAGE_WIN32 (impl), NULL);
return CLUTTER_STAGE_WIN32 (impl)->hwnd;
}
/**
* clutter_wayland_stage_get_wl_shell_surface: (skip)
*
* @stage: a #ClutterStage
*
* Access the underlying data structure representing the shell surface that is
* backing the #ClutterStage
*
* Note: this function can only be called when running on the Wayland
* platform. Calling this function at any other time will return %NULL.
*
* Returns: (transfer non): the Wayland shell surface associated with
* @stage
*
* Since: 1.10
*/
struct wl_shell_surface *
clutter_wayland_stage_get_wl_shell_surface (ClutterStage *stage)
{
ClutterStageWindow *stage_window = _clutter_stage_get_window (stage);
ClutterStageWayland *stage_wayland;
if (!CLUTTER_IS_STAGE_WAYLAND (stage_window))
return NULL;
stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
return stage_wayland->wayland_shell_surface;
}
/**
* clutter_win32_set_stage_foreign:
* @stage: a #ClutterStage
* @hwnd: an existing window handle
*
* Target the #ClutterStage to use an existing external window handle.
*
* Return value: %TRUE if foreign window is valid
*
* Since: 0.8
*/
gboolean
clutter_win32_set_stage_foreign (ClutterStage *stage,
HWND hwnd)
{
ClutterStageWin32 *stage_win32;
ClutterStageWindow *impl;
ClutterActor *actor;
RECT client_rect;
POINT window_pos;
ClutterGeometry geom;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
g_return_val_if_fail (hwnd != NULL, FALSE);
actor = CLUTTER_ACTOR (stage);
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
/* FIXME this needs updating to use _clutter_actor_rerealize(),
* see the analogous code in x11 backend. Probably best if
* win32 maintainer does it so they can be sure it compiles
* and works.
*/
clutter_actor_unrealize (actor);
if (!GetClientRect (hwnd, &client_rect))
{
g_warning ("Unable to retrieve the new window geometry");
return FALSE;
}
window_pos.x = client_rect.left;
window_pos.y = client_rect.right;
ClientToScreen (hwnd, &window_pos);
CLUTTER_NOTE (BACKEND, "Setting foreign window (0x%x)", (int) hwnd);
stage_win32->hwnd = hwnd;
stage_win32->is_foreign_win = TRUE;
geom.x = 0;
geom.y = 0;
geom.width = client_rect.right - client_rect.left;
geom.height = client_rect.bottom - client_rect.top;
clutter_actor_set_geometry (actor, &geom);
clutter_actor_realize (actor);
return TRUE;
}
/**
* clutter_gdk_set_stage_foreign:
* @stage: a #ClutterStage
* @window: an existing #GdkWindow
*
* Target the #ClutterStage to use an existing external #GdkWindow
*
* Return value: %TRUE if foreign window is valid
*
* Since: 1.10
*/
gboolean
clutter_gdk_set_stage_foreign (ClutterStage *stage,
GdkWindow *window)
{
ForeignWindowClosure closure;
ClutterStageGdk *stage_gdk;
ClutterStageWindow *impl;
ClutterActor *actor;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
g_return_val_if_fail (!CLUTTER_ACTOR_IN_DESTRUCTION (stage), FALSE);
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
impl = _clutter_stage_get_window (stage);
if (!CLUTTER_IS_STAGE_GDK (impl))
{
g_critical ("The Clutter backend is not a GDK backend");
return FALSE;
}
stage_gdk = CLUTTER_STAGE_GDK (impl);
if (g_object_get_data (G_OBJECT (window), "clutter-stage-window") != NULL)
{
g_critical ("The provided GdkWindow is already in use by another ClutterStage");
return FALSE;
}
closure.stage_gdk = stage_gdk;
closure.window = g_object_ref (window);
actor = CLUTTER_ACTOR (stage);
_clutter_actor_rerealize (actor,
set_foreign_window_callback,
&closure);
/* Queue a relayout - so the stage will be allocated the new
* window size.
*
* Note also that when the stage gets allocated the new
* window size that will result in the stage's
* priv->viewport being changed, which will in turn result
* in the Cogl viewport changing when _clutter_do_redraw
* calls _clutter_stage_maybe_setup_viewport().
*/
clutter_actor_queue_relayout (actor);
return TRUE;
}
static void
clutter_backend_egl_redraw (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWindow *impl;
impl = _clutter_stage_get_window (stage);
if (!impl)
return;
g_assert (CLUTTER_IS_STAGE_EGL (impl));
clutter_stage_egl_redraw (CLUTTER_STAGE_EGL (impl), stage);
}
/**
* clutter_gdk_get_stage_window:
* @stage: a #ClutterStage
*
* Gets the stages GdkWindow.
*
* Return value: (transfer none): A GdkWindow* for the stage window.
*
* Since: 1.10
*/
GdkWindow *
clutter_gdk_get_stage_window (ClutterStage *stage)
{
ClutterStageWindow *impl;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
impl = _clutter_stage_get_window (stage);
if (!CLUTTER_IS_STAGE_GDK (impl))
{
g_critical ("The Clutter backend is not a GDK backend");
return NULL;
}
return CLUTTER_STAGE_GDK (impl)->window;
}
/*
* FIXME: we should remove backend_class->redraw() and just
* have stage_window_iface->redraw()
*/
static void
clutter_backend_glx_redraw (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWindow *impl = _clutter_stage_get_window (stage);
if (G_UNLIKELY (impl == NULL))
{
CLUTTER_NOTE (BACKEND, "Stage [%p] has no implementation", stage);
return;
}
g_assert (CLUTTER_IS_STAGE_GLX (impl));
clutter_stage_glx_redraw (CLUTTER_STAGE_GLX (impl),
stage);
}
static void
clutter_backend_glx_redraw (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageGLX *stage_glx;
ClutterStageX11 *stage_x11;
ClutterStageWindow *impl;
impl = _clutter_stage_get_window (stage);
if (G_UNLIKELY (impl == NULL))
{
CLUTTER_NOTE (BACKEND, "Stage [%p] has no implementation", stage);
return;
}
g_assert (CLUTTER_IS_STAGE_GLX (impl));
stage_x11 = CLUTTER_STAGE_X11 (impl);
stage_glx = CLUTTER_STAGE_GLX (impl);
/* this will cause the stage implementation to be painted */
clutter_actor_paint (CLUTTER_ACTOR (stage));
cogl_flush ();
if (stage_x11->xwin != None)
{
/* wait for the next vblank */
CLUTTER_NOTE (BACKEND, "Waiting for vblank");
glx_wait_for_vblank (CLUTTER_BACKEND_GLX (backend));
/* push on the screen */
CLUTTER_NOTE (BACKEND, "glXSwapBuffers (display: %p, window: 0x%lx)",
stage_x11->xdpy,
(unsigned long) stage_x11->xwin);
glXSwapBuffers (stage_x11->xdpy, stage_x11->xwin);
}
else
{
/* offscreen */
glXWaitGL ();
CLUTTER_GLERR ();
}
}
static void
clutter_backend_real_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWindow *stage_impl;
CoglFramebuffer *framebuffer;
if (stage == NULL)
return;
stage_impl = _clutter_stage_get_window (stage);
if (stage_impl == NULL)
return;
framebuffer = _clutter_stage_window_get_active_framebuffer (stage_impl);
if (framebuffer == NULL)
return;
cogl_set_framebuffer (framebuffer);
}
static void
clutter_backend_egl_redraw (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
ClutterStageEGL *stage_egl;
ClutterStageWindow *impl;
impl = _clutter_stage_get_window (stage);
if (!impl)
return;
g_assert (CLUTTER_IS_STAGE_EGL (impl));
stage_egl = CLUTTER_STAGE_EGL (impl);
eglWaitNative (EGL_CORE_NATIVE_ENGINE);
clutter_actor_paint (CLUTTER_ACTOR (stage));
cogl_flush ();
eglWaitGL();
eglSwapBuffers (backend_egl->edpy, stage_egl->egl_surface);
}
/* TODO: remove this interface in favour of
* _clutter_stage_window_make_current () */
static void
clutter_backend_glx_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWindow *impl;
/* if there is no stage, the stage is being destroyed or it has no
* implementation attached to it then we clear the GL context
*/
if (stage == NULL ||
(CLUTTER_PRIVATE_FLAGS (stage) & CLUTTER_ACTOR_IN_DESTRUCTION) ||
((impl = _clutter_stage_get_window (stage)) == NULL))
{
ClutterBackendX11 *backend_x11;
backend_x11 = CLUTTER_BACKEND_X11 (backend);
CLUTTER_NOTE (MULTISTAGE, "Clearing all context");
glXMakeContextCurrent (backend_x11->xdpy, None, None, NULL);
}
else
{
ClutterBackendGLX *backend_glx;
ClutterBackendX11 *backend_x11;
ClutterStageGLX *stage_glx;
ClutterStageX11 *stage_x11;
GLXDrawable drawable;
g_assert (impl != NULL);
stage_glx = CLUTTER_STAGE_GLX (impl);
stage_x11 = CLUTTER_STAGE_X11 (impl);
backend_glx = CLUTTER_BACKEND_GLX (backend);
backend_x11 = CLUTTER_BACKEND_X11 (backend);
drawable = stage_glx->glxwin ? stage_glx->glxwin : stage_x11->xwin;
CLUTTER_NOTE (BACKEND,
"Setting context for stage of type %s, window: 0x%x",
G_OBJECT_TYPE_NAME (impl),
(unsigned int) drawable);
/* no GL context to set */
if (backend_glx->gl_context == None)
return;
clutter_x11_trap_x_errors ();
/* we might get here inside the final dispose cycle, so we
* need to handle this gracefully
*/
if (drawable == None)
{
GLXDrawable dummy_drawable;
CLUTTER_NOTE (BACKEND,
"Received a stale stage, clearing all context");
if (backend_glx->dummy_glxwin)
dummy_drawable = backend_glx->dummy_glxwin;
else
dummy_drawable = backend_glx->dummy_xwin;
if (dummy_drawable == None)
glXMakeContextCurrent (backend_x11->xdpy, None, None, NULL);
else
{
glXMakeContextCurrent (backend_x11->xdpy,
dummy_drawable,
dummy_drawable,
backend_glx->gl_context);
}
}
else
{
CLUTTER_NOTE (BACKEND,
"MakeContextCurrent dpy: %p, window: 0x%x (%s), context: %p",
backend_x11->xdpy,
(unsigned int) drawable,
stage_x11->is_foreign_xwin ? "foreign" : "native",
backend_glx->gl_context);
glXMakeContextCurrent (backend_x11->xdpy,
drawable,
drawable,
backend_glx->gl_context);
/*
* In case we are using GLX_SGI_swap_control for vblank syncing we need call
* glXSwapIntervalSGI here to make sure that it affects the current drawable.
*/
if (backend_glx->vblank_type == CLUTTER_VBLANK_GLX_SWAP && backend_glx->swap_interval != NULL)
backend_glx->swap_interval (1);
}
if (clutter_x11_untrap_x_errors ())
g_critical ("Unable to make the stage window 0x%x the current "
"GLX drawable",
(unsigned int) drawable);
}
}
/**
* clutter_x11_set_stage_foreign:
* @stage: a #ClutterStage
* @xwindow: an existing X Window id
*
* Target the #ClutterStage to use an existing external X Window
*
* Return value: %TRUE if foreign window is valid
*
*
*/
gboolean
clutter_x11_set_stage_foreign (ClutterStage *stage,
Window xwindow)
{
ClutterBackendX11 *backend_x11;
ClutterStageX11 *stage_x11;
ClutterStageCogl *stage_cogl;
ClutterStageWindow *impl;
ClutterActor *actor;
gint x, y;
guint width, height, border, depth;
Window root_return;
Status status;
ForeignWindowData fwd;
XVisualInfo *xvisinfo;
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
g_return_val_if_fail (!CLUTTER_ACTOR_IN_DESTRUCTION (stage), FALSE);
g_return_val_if_fail (xwindow != None, FALSE);
impl = _clutter_stage_get_window (stage);
stage_x11 = CLUTTER_STAGE_X11 (impl);
stage_cogl = CLUTTER_STAGE_COGL (impl);
backend_x11 = CLUTTER_BACKEND_X11 (stage_cogl->backend);
xvisinfo = _clutter_backend_x11_get_visual_info (backend_x11);
g_return_val_if_fail (xvisinfo != NULL, FALSE);
clutter_x11_trap_x_errors ();
status = XGetGeometry (backend_x11->xdpy, xwindow,
&root_return,
&x, &y,
&width, &height,
&border,
&depth);
if (clutter_x11_untrap_x_errors () || !status)
{
g_critical ("Unable to retrieve the geometry of the foreign window: "
"XGetGeometry() failed (status code: %d)", status);
return FALSE;
}
if (width == 0 || height == 0)
{
g_warning ("The size of the foreign window is 0x0");
return FALSE;
}
if (depth != xvisinfo->depth)
{
g_warning ("The depth of the visual of the foreign window is %d, but "
"Clutter has been initialized to require a visual depth "
"of %d",
depth,
xvisinfo->depth);
return FALSE;
}
fwd.stage_x11 = stage_x11;
fwd.xwindow = xwindow;
/* destroy the old Window, if we have one and it's ours */
if (stage_x11->xwin != None && !stage_x11->is_foreign_xwin)
fwd.destroy_old_xwindow = TRUE;
else
fwd.destroy_old_xwindow = FALSE;
fwd.geom.x = x;
fwd.geom.y = y;
fwd.geom.width = width;
fwd.geom.height = height;
actor = CLUTTER_ACTOR (stage);
_clutter_actor_rerealize (actor,
set_foreign_window_callback,
&fwd);
/* Queue a relayout - so the stage will be allocated the new
* window size.
*
* Note also that when the stage gets allocated the new
* window size that will result in the stage's
* priv->viewport being changed, which will in turn result
* in the Cogl viewport changing when _clutter_do_redraw
* calls _clutter_stage_maybe_setup_viewport().
*/
clutter_actor_queue_relayout (actor);
return TRUE;
}
static void
clutter_backend_glx_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterStageWindow *impl;
/* if there is no stage, the stage is being destroyed or it has no
* implementation attached to it then we clear the GL context
*/
if (stage == NULL ||
(CLUTTER_PRIVATE_FLAGS (stage) & CLUTTER_ACTOR_IN_DESTRUCTION) ||
((impl = _clutter_stage_get_window (stage)) == NULL))
{
ClutterBackendX11 *backend_x11;
backend_x11 = CLUTTER_BACKEND_X11 (backend);
CLUTTER_NOTE (MULTISTAGE, "Clearing all context");
glXMakeCurrent (backend_x11->xdpy, None, NULL);
}
else
{
ClutterBackendGLX *backend_glx;
ClutterStageGLX *stage_glx;
ClutterStageX11 *stage_x11;
g_assert (impl != NULL);
CLUTTER_NOTE (MULTISTAGE, "Setting context for stage of type %s [%p]",
g_type_name (G_OBJECT_TYPE (impl)),
impl);
stage_glx = CLUTTER_STAGE_GLX (impl);
stage_x11 = CLUTTER_STAGE_X11 (impl);
backend_glx = CLUTTER_BACKEND_GLX (backend);
/* no GL context to set */
if (backend_glx->gl_context == None)
return;
clutter_x11_trap_x_errors ();
/* we might get here inside the final dispose cycle, so we
* need to handle this gracefully
*/
if (stage_x11->xwin == None)
{
ClutterBackendX11 *backend_x11;
backend_x11 = CLUTTER_BACKEND_X11 (backend);
CLUTTER_NOTE (MULTISTAGE,
"Received a stale stage, clearing all context");
glXMakeCurrent (backend_x11->xdpy, None, NULL);
}
else
{
CLUTTER_NOTE (BACKEND,
"MakeCurrent dpy: %p, window: 0x%x (%s), context: %p",
stage_x11->xdpy,
(int) stage_x11->xwin,
stage_x11->is_foreign_xwin ? "foreign" : "native",
backend_glx->gl_context);
glXMakeCurrent (stage_x11->xdpy,
stage_x11->xwin,
backend_glx->gl_context);
}
if (clutter_x11_untrap_x_errors ())
g_critical ("Unable to make the stage window 0x%x the current "
"GLX drawable",
(int) stage_x11->xwin);
}
}
static gboolean
event_translate (ClutterBackend *backend,
ClutterEvent *event,
XEvent *xevent)
{
ClutterBackendX11 *backend_x11;
ClutterStageX11 *stage_x11;
ClutterStage *stage;
ClutterStageWindow *impl;
ClutterDeviceManager *manager;
gboolean res, not_yet_handled = FALSE;
Window xwindow, stage_xwindow;
ClutterInputDevice *device;
backend_x11 = CLUTTER_BACKEND_X11 (backend);
xwindow = xevent->xany.window;
if (backend_x11->event_filters)
{
GSList *node;
node = backend_x11->event_filters;
while (node)
{
ClutterX11EventFilter *filter = node->data;
switch (filter->func (xevent, event, filter->data))
{
case CLUTTER_X11_FILTER_CONTINUE:
break;
case CLUTTER_X11_FILTER_TRANSLATE:
return TRUE;
case CLUTTER_X11_FILTER_REMOVE:
return FALSE;
default:
break;
}
node = node->next;
}
}
/* Do further processing only on events for the stage window (the x11
* filters might be getting events for other windows, so do not mess
* them about.
*/
stage = clutter_x11_get_stage_from_window (xwindow);
if (stage == NULL)
return FALSE;
impl = _clutter_stage_get_window (stage);
stage_x11 = CLUTTER_STAGE_X11 (impl);
stage_xwindow = xwindow; /* clutter_x11_get_stage_window (stage); */
event->any.stage = stage;
res = TRUE;
update_last_event_time (backend_x11, xevent);
manager = clutter_device_manager_get_default ();
switch (xevent->type)
{
case ConfigureNotify:
if (!stage_x11->is_foreign_xwin)
{
CLUTTER_NOTE (BACKEND, "%s: ConfigureNotify[%x] (%d, %d)",
G_STRLOC,
(unsigned int) stage_x11->xwin,
xevent->xconfigure.width,
xevent->xconfigure.height);
/* 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 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.
*/
if ((stage_x11->state & CLUTTER_STAGE_STATE_FULLSCREEN) ||
(stage_x11->xwin_width != xevent->xconfigure.width) ||
(stage_x11->xwin_height != xevent->xconfigure.height))
clutter_actor_queue_relayout (CLUTTER_ACTOR (stage));
/* If we're fullscreened, we want these variables to
* represent the size of the window before it was set
* to fullscreen.
*/
if (!(stage_x11->state & CLUTTER_STAGE_STATE_FULLSCREEN))
{
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_x11->wrapper,
CLUTTER_STAGE_IN_RESIZE);
/* 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);
}
res = FALSE;
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)
{
Atom *atoms = (Atom *) data;
gulong i;
gboolean is_fullscreen = FALSE;
for (i = 0; i < n_items; i++)
{
if (atoms[i] == backend_x11->atom_NET_WM_STATE_FULLSCREEN)
fullscreen_set = TRUE;
}
is_fullscreen =
(stage_x11->state & CLUTTER_STAGE_STATE_FULLSCREEN);
if (fullscreen_set != is_fullscreen)
{
if (fullscreen_set)
stage_x11->state |= CLUTTER_STAGE_STATE_FULLSCREEN;
else
stage_x11->state &= ~CLUTTER_STAGE_STATE_FULLSCREEN;
stage_x11->fullscreening = fullscreen_set;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask =
CLUTTER_STAGE_STATE_FULLSCREEN;
event->stage_state.new_state = stage_x11->state;
}
else
res = FALSE;
XFree (data);
}
else
res = FALSE;
}
else
res = FALSE;
break;
case MapNotify:
res = FALSE;
break;
case UnmapNotify:
res = FALSE;
break;
case FocusIn:
if (!(stage_x11->state & CLUTTER_STAGE_STATE_ACTIVATED))
{
/* TODO: check xevent->xfocus.detail ? */
stage_x11->state |= CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_x11->state;
}
else
res = FALSE;
break;
case FocusOut:
if (stage_x11->state & CLUTTER_STAGE_STATE_ACTIVATED)
{
stage_x11->state &= ~CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_x11->state;
}
else
res = FALSE;
break;
case Expose:
{
CLUTTER_NOTE (MULTISTAGE, "expose for stage: %p, redrawing", stage);
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
res = FALSE;
}
break;
case DestroyNotify:
CLUTTER_NOTE (EVENT, "destroy notify:\txid: %ld",
xevent->xdestroywindow.window);
if (xevent->xdestroywindow.window == stage_xwindow &&
!stage_x11->is_foreign_xwin)
event->type = event->any.type = CLUTTER_DESTROY_NOTIFY;
else
res = FALSE;
break;
case ClientMessage:
CLUTTER_NOTE (EVENT, "client message");
event->type = event->any.type = CLUTTER_CLIENT_MESSAGE;
if (xevent->xclient.message_type == backend_x11->atom_XEMBED)
res = handle_xembed_event (backend_x11, xevent);
else if (xevent->xclient.message_type == backend_x11->atom_WM_PROTOCOLS)
{
res = handle_wm_protocols_event (backend_x11, stage_xwindow, xevent);
event->type = event->any.type = CLUTTER_DELETE;
}
break;
case KeyPress:
event->key.type = event->type = CLUTTER_KEY_PRESS;
event->key.device =
clutter_device_manager_get_core_device (manager,
CLUTTER_KEYBOARD_DEVICE);
translate_key_event (backend, event, xevent);
set_user_time (backend_x11, &xwindow, xevent->xkey.time);
break;
case KeyRelease:
/* old-style X11 terminals require that even modern X11 send
* KeyPress/KeyRelease pairs when auto-repeating. for this
* reason modern(-ish) API like XKB has a way to detect
* auto-repeat and do a single KeyRelease at the end of a
* KeyPress sequence.
*
* this check emulates XKB's detectable auto-repeat; we peek
* the next event and check if it's a KeyPress for the same key
* and timestamp - and then ignore it if it matches the
* KeyRelease
*/
if (XPending (xevent->xkey.display))
{
XEvent next_event;
XPeekEvent (xevent->xkey.display, &next_event);
if (next_event.type == KeyPress &&
next_event.xkey.keycode == xevent->xkey.keycode &&
next_event.xkey.time == xevent->xkey.time)
{
res = FALSE;
break;
}
}
event->key.type = event->type = CLUTTER_KEY_RELEASE;
event->key.device =
clutter_device_manager_get_core_device (manager,
CLUTTER_KEYBOARD_DEVICE);
translate_key_event (backend, event, xevent);
break;
default:
/* ignore every other event */
not_yet_handled = TRUE;
break;
}
/* Input device event handling.. */
if (not_yet_handled)
{
device = clutter_device_manager_get_core_device (manager,
CLUTTER_POINTER_DEVICE);
/* Regular X event */
switch (xevent->type)
{
case ButtonPress:
switch (xevent->xbutton.button)
{
case 4: /* up */
case 5: /* down */
case 6: /* left */
case 7: /* right */
event->scroll.type = event->type = CLUTTER_SCROLL;
if (xevent->xbutton.button == 4)
event->scroll.direction = CLUTTER_SCROLL_UP;
else if (xevent->xbutton.button == 5)
event->scroll.direction = CLUTTER_SCROLL_DOWN;
else if (xevent->xbutton.button == 6)
event->scroll.direction = CLUTTER_SCROLL_LEFT;
else
event->scroll.direction = CLUTTER_SCROLL_RIGHT;
event->scroll.time = xevent->xbutton.time;
event->scroll.x = xevent->xbutton.x;
event->scroll.y = xevent->xbutton.y;
event->scroll.modifier_state = xevent->xbutton.state;
event->scroll.device = device;
break;
default:
event->button.type = event->type = CLUTTER_BUTTON_PRESS;
event->button.time = xevent->xbutton.time;
event->button.x = xevent->xbutton.x;
event->button.y = xevent->xbutton.y;
event->button.modifier_state = xevent->xbutton.state;
event->button.button = xevent->xbutton.button;
event->button.device = device;
break;
}
set_user_time (backend_x11, &xwindow, event->button.time);
res = TRUE;
break;
case ButtonRelease:
/* scroll events don't have a corresponding release */
if (xevent->xbutton.button == 4 ||
xevent->xbutton.button == 5 ||
xevent->xbutton.button == 6 ||
xevent->xbutton.button == 7)
{
res = FALSE;
goto out;
}
event->button.type = event->type = CLUTTER_BUTTON_RELEASE;
event->button.time = xevent->xbutton.time;
event->button.x = xevent->xbutton.x;
event->button.y = xevent->xbutton.y;
event->button.modifier_state = xevent->xbutton.state;
event->button.button = xevent->xbutton.button;
event->button.device = device;
res = TRUE;
break;
case MotionNotify:
event->motion.type = event->type = CLUTTER_MOTION;
event->motion.time = xevent->xmotion.time;
event->motion.x = xevent->xmotion.x;
event->motion.y = xevent->xmotion.y;
event->motion.modifier_state = xevent->xmotion.state;
event->motion.device = device;
res = TRUE;
break;
case EnterNotify:
/* we know that we are entering the stage here */
_clutter_input_device_set_stage (device, stage);
CLUTTER_NOTE (EVENT, "Entering the stage");
/* Convert enter notifies to motion events because X
doesn't emit the corresponding motion notify */
event->motion.type = event->type = CLUTTER_MOTION;
event->motion.time = xevent->xcrossing.time;
event->motion.x = xevent->xcrossing.x;
event->motion.y = xevent->xcrossing.y;
event->motion.modifier_state = xevent->xcrossing.state;
event->motion.source = CLUTTER_ACTOR (stage);
event->motion.device = device;
res = TRUE;
break;
case LeaveNotify:
if (device->stage == NULL)
{
CLUTTER_NOTE (EVENT,
"Discarding LeaveNotify for ButtonRelease "
"event off-stage");
res = FALSE;
goto out;
}
/* we know that we are leaving the stage here */
_clutter_input_device_set_stage (device, NULL);
CLUTTER_NOTE (EVENT, "Leaving the stage (time:%u)",
event->crossing.time);
event->crossing.type = event->type = CLUTTER_LEAVE;
event->crossing.time = xevent->xcrossing.time;
event->crossing.x = xevent->xcrossing.x;
event->crossing.y = xevent->xcrossing.y;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.device = device;
res = TRUE;
break;
default:
res = FALSE;
break;
}
}
/* XInput fun...*/
if (!res && clutter_x11_has_xinput ())
{
#ifdef HAVE_XINPUT
int *ev_types = backend_x11->event_types;
int button_press, button_release;
int key_press, key_release;
int motion_notify;
button_press = ev_types[CLUTTER_X11_XINPUT_BUTTON_PRESS_EVENT];
button_release = ev_types[CLUTTER_X11_XINPUT_BUTTON_RELEASE_EVENT];
motion_notify = ev_types[CLUTTER_X11_XINPUT_MOTION_NOTIFY_EVENT];
key_press = ev_types[CLUTTER_X11_XINPUT_KEY_PRESS_EVENT];
key_release = ev_types[CLUTTER_X11_XINPUT_KEY_RELEASE_EVENT];
CLUTTER_NOTE (EVENT, "XInput event type: %d", xevent->type);
if (xevent->type == button_press)
{
XDeviceButtonEvent *xbev = (XDeviceButtonEvent *) xevent;
device = _clutter_x11_get_device_for_xid (xbev->deviceid);
_clutter_input_device_set_stage (device, stage);
CLUTTER_NOTE (EVENT,
"XI ButtonPress for %li ('%s') at %d, %d",
xbev->deviceid,
device->device_name,
xbev->x,
xbev->y);
switch (xbev->button)
{
case 4:
case 5:
case 6:
case 7:
event->scroll.type = event->type = CLUTTER_SCROLL;
if (xbev->button == 4)
event->scroll.direction = CLUTTER_SCROLL_UP;
else if (xbev->button == 5)
event->scroll.direction = CLUTTER_SCROLL_DOWN;
else if (xbev->button == 6)
event->scroll.direction = CLUTTER_SCROLL_LEFT;
else
event->scroll.direction = CLUTTER_SCROLL_RIGHT;
event->scroll.time = xbev->time;
event->scroll.x = xbev->x;
event->scroll.y = xbev->y;
event->scroll.modifier_state = xbev->state;
event->scroll.device = device;
break;
default:
event->button.type = event->type = CLUTTER_BUTTON_PRESS;
event->button.time = xbev->time;
event->button.x = xbev->x;
event->button.y = xbev->y;
event->button.modifier_state = xbev->state;
event->button.button = xbev->button;
event->button.device = device;
break;
}
set_user_time (backend_x11, &xwindow, xbev->time);
res = TRUE;
}
else if (xevent->type == button_release)
{
XDeviceButtonEvent *xbev = (XDeviceButtonEvent *)xevent;
device = _clutter_x11_get_device_for_xid (xbev->deviceid);
_clutter_input_device_set_stage (device, stage);
CLUTTER_NOTE (EVENT, "XI ButtonRelease for %li ('%s') at %d, %d",
xbev->deviceid,
device->device_name,
xbev->x,
xbev->y);
/* scroll events don't have a corresponding release */
if (xbev->button == 4 ||
xbev->button == 5 ||
xbev->button == 6 ||
xbev->button == 7)
{
res = FALSE;
goto out;
}
event->button.type = event->type = CLUTTER_BUTTON_RELEASE;
event->button.time = xbev->time;
event->button.x = xbev->x;
event->button.y = xbev->y;
event->button.modifier_state = xbev->state;
event->button.button = xbev->button;
event->button.device = device;
res = TRUE;
}
else if (xevent->type == motion_notify)
{
XDeviceMotionEvent *xmev = (XDeviceMotionEvent *)xevent;
device = _clutter_x11_get_device_for_xid (xmev->deviceid);
_clutter_input_device_set_stage (device, stage);
CLUTTER_NOTE (EVENT, "XI Motion for %li ('%s') at %d, %d",
xmev->deviceid,
device->device_name,
xmev->x,
xmev->y);
event->motion.type = event->type = CLUTTER_MOTION;
event->motion.time = xmev->time;
event->motion.x = xmev->x;
event->motion.y = xmev->y;
event->motion.modifier_state = xmev->state;
event->motion.device = device;
res = TRUE;
}
else if (xevent->type == key_press || xevent->type == key_release)
{
/* the XInput 1.x handling of key presses/releases is broken:
* it makes key repeat, key presses and releases outside the
* window not generate events even when the window has focus
*/
XDeviceKeyEvent *xkev = (XDeviceKeyEvent *) xevent;
XEvent xevent_converted;
convert_xdevicekey_to_xkey (xkev, &xevent_converted);
event->key.type = event->type = (xevent->type == key_press)
? CLUTTER_KEY_PRESS
: CLUTTER_KEY_RELEASE;
translate_key_event (backend, event, &xevent_converted);
if (xevent->type == key_press)
set_user_time (backend_x11, &xwindow, xkev->time);
}
else
#endif /* HAVE_XINPUT */
{
CLUTTER_NOTE (EVENT, "Uknown Event");
res = FALSE;
}
}
out:
return res;
}
/**
* clutter_win32_handle_event:
* @msg: A pointer to a structure describing a Win32 message.
*
* This function processes a single Win32 message. It can be used to
* hook into external windows message processing (for example, a GDK
* filter function).
*
* If clutter_win32_disable_event_retrieval() has been called, you must
* let this function process events to update Clutter's internal state.
*
* Return value: %TRUE if the message was handled entirely by Clutter
* and no further processing (such as calling the default window
* procedure) should take place. %FALSE is returned if is the message
* was not handled at all or if Clutter expects processing to take
* place.
*
* Since: 1.6
*/
gboolean
clutter_win32_handle_event (const MSG *msg)
{
ClutterBackendWin32 *backend_win32;
ClutterStageWin32 *stage_win32;
ClutterDeviceManager *manager;
ClutterInputDevice *core_pointer, *core_keyboard;
ClutterStage *stage;
ClutterStageWindow *impl;
gboolean return_value = FALSE;
stage = clutter_win32_get_stage_from_window (msg->hwnd);
/* Ignore any messages for windows which we don't have a stage for */
if (stage == NULL)
return FALSE;
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
backend_win32 = stage_win32->backend;
manager = clutter_device_manager_get_default ();
core_pointer =
clutter_device_manager_get_core_device (manager, CLUTTER_POINTER_DEVICE);
core_keyboard =
clutter_device_manager_get_core_device (manager, CLUTTER_KEYBOARD_DEVICE);
switch (msg->message)
{
case WM_SIZE:
if (!stage_win32->is_foreign_win
/* Ignore size changes resulting from the stage being
minimized - otherwise the window size will be set to
0,0 */
&& msg->wParam != SIZE_MINIMIZED)
{
WORD new_width = LOWORD (msg->lParam);
WORD new_height = HIWORD (msg->lParam);
gfloat 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);
}
break;
case WM_SHOWWINDOW:
if (msg->wParam)
clutter_stage_win32_map (stage_win32);
else
clutter_stage_win32_unmap (stage_win32);
break;
case WM_ACTIVATE:
if (msg->wParam == WA_INACTIVE)
{
if (stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED)
{
ClutterEvent *event = clutter_event_new (CLUTTER_STAGE_STATE);
stage_win32->state &= ~CLUTTER_STAGE_STATE_ACTIVATED;
event->any.stage = stage;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
take_and_queue_event (event);
}
}
else if (!(stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED))
{
ClutterEvent *event = clutter_event_new (CLUTTER_STAGE_STATE);
stage_win32->state |= CLUTTER_STAGE_STATE_ACTIVATED;
event->any.stage = stage;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
take_and_queue_event (event);
}
break;
case WM_PAINT:
CLUTTER_NOTE (MULTISTAGE, "expose for stage:%p, redrawing", stage);
clutter_redraw (stage);
break;
case WM_DESTROY:
{
ClutterEvent *event = clutter_event_new (CLUTTER_DESTROY_NOTIFY);
CLUTTER_NOTE (EVENT, "WM_DESTROY");
event->any.stage = stage;
take_and_queue_event (event);
}
break;
case WM_CLOSE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_DELETE);
CLUTTER_NOTE (EVENT, "WM_CLOSE");
event->any.stage = stage;
take_and_queue_event (event);
/* The default window proc will destroy the window so we want to
prevent this to allow applications to optionally destroy the
window themselves */
return_value = TRUE;
}
break;
case WM_LBUTTONDOWN:
make_button_event (msg, stage, 1, 1, FALSE, core_pointer);
break;
case WM_MBUTTONDOWN:
make_button_event (msg, stage, 2, 1, FALSE, core_pointer);
break;
case WM_RBUTTONDOWN:
make_button_event (msg, stage, 3, 1, FALSE, core_pointer);
break;
case WM_LBUTTONUP:
make_button_event (msg, stage, 1, 1, TRUE, core_pointer);
break;
case WM_MBUTTONUP:
make_button_event (msg, stage, 2, 1, TRUE, core_pointer);
break;
case WM_RBUTTONUP:
make_button_event (msg, stage, 3, 1, TRUE, core_pointer);
break;
case WM_LBUTTONDBLCLK:
make_button_event (msg, stage, 1, 2, FALSE, core_pointer);
break;
case WM_MBUTTONDBLCLK:
make_button_event (msg, stage, 2, 2, FALSE, core_pointer);
break;
case WM_RBUTTONDBLCLK:
make_button_event (msg, stage, 3, 2, FALSE, core_pointer);
break;
case WM_MOUSEWHEEL:
stage_win32->scroll_pos += (SHORT) HIWORD (msg->wParam);
while (abs (stage_win32->scroll_pos) >= WHEEL_DELTA)
{
ClutterEvent *event = clutter_event_new (CLUTTER_SCROLL);
POINT pt;
event->scroll.time = msg->time;
event->scroll.modifier_state =
get_modifier_state (LOWORD (msg->wParam));
event->any.stage = stage;
clutter_event_set_device (event, core_pointer);
/* conversion to window coordinates is required */
pt.x = GET_X_LPARAM (msg->lParam);
pt.y = GET_Y_LPARAM (msg->lParam);
ScreenToClient (msg->hwnd, &pt);
event->scroll.x = pt.x;
event->scroll.y = pt.y;
if (stage_win32->scroll_pos > 0)
{
event->scroll.direction = CLUTTER_SCROLL_UP;
stage_win32->scroll_pos -= WHEEL_DELTA;
}
else
{
event->scroll.direction = CLUTTER_SCROLL_DOWN;
stage_win32->scroll_pos += WHEEL_DELTA;
}
take_and_queue_event (event);
}
break;
case WM_MOUSEMOVE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_MOTION);
event->motion.time = msg->time;
event->motion.x = GET_X_LPARAM (msg->lParam);
event->motion.y = GET_Y_LPARAM (msg->lParam);
event->motion.modifier_state = get_modifier_state (msg->wParam);
event->any.stage = stage;
clutter_event_set_device (event, core_pointer);
/* We need to start tracking when the mouse enters the stage if
we're not already */
if (!stage_win32->tracking_mouse)
{
ClutterEvent *crossing = clutter_event_new (CLUTTER_ENTER);
TRACKMOUSEEVENT tmevent;
tmevent.cbSize = sizeof (tmevent);
tmevent.dwFlags = TME_LEAVE;
tmevent.hwndTrack = stage_win32->hwnd;
TrackMouseEvent (&tmevent);
event->crossing.time = msg->time;
event->crossing.x = event->motion.x;
event->crossing.y = event->motion.y;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
clutter_event_set_device (event, core_pointer);
/* we entered the stage */
_clutter_stage_add_device (stage, event->crossing.device);
take_and_queue_event (crossing);
stage_win32->tracking_mouse = TRUE;
}
take_and_queue_event (event);
}
break;
case WM_MOUSELEAVE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_LEAVE);
event->crossing.time = msg->time;
event->crossing.x = msg->pt.x;
event->crossing.y = msg->pt.y;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
clutter_event_set_device (event, core_pointer);
/* we left the stage */
_clutter_stage_remove_device (stage, core_pointer);
/* When we get a leave message the mouse tracking is
automatically cancelled so we'll need to start it again when
the mouse next enters the window */
stage_win32->tracking_mouse = FALSE;
take_and_queue_event (event);
}
break;
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
{
ClutterEvent *event = clutter_event_new (CLUTTER_EVENT_NONE);
int scan_code = (msg->lParam >> 16) & 0xff;
int min = 0, max = CLUTTER_WIN32_KEY_MAP_SIZE, mid;
BYTE key_states[256];
/* Get the keyboard modifier states. GetKeyboardState
conveniently gets the key state that was current when the
last keyboard message read was generated */
GetKeyboardState(key_states);
/* Binary chop to check if we have a direct mapping for this
key code */
while (min < max)
{
mid = (min + max) / 2;
if (clutter_win32_key_map[mid].win_sym == msg->wParam)
{
event->key.keyval = clutter_win32_key_map[mid].clutter_sym;
event->key.unicode_value = 0;
break;
}
else if (clutter_win32_key_map[mid].win_sym < msg->wParam)
min = mid + 1;
else
max = mid;
}
/* If we don't have a direct mapping then try getting the
unicode value of the key sym */
if (min >= max)
{
WCHAR ch;
BYTE shift_state[256];
/* Translate to a Unicode value, but only take into
account the shift key. That way Ctrl+Shift+C will
generate a capital C virtual key code with a zero
unicode value for example */
memset (shift_state, 0, 256);
shift_state[VK_SHIFT] = key_states[VK_SHIFT];
shift_state[VK_LSHIFT] = key_states[VK_LSHIFT];
shift_state[VK_RSHIFT] = key_states[VK_RSHIFT];
shift_state[VK_CAPITAL] = key_states[VK_CAPITAL];
if (ToUnicode (msg->wParam, scan_code,
shift_state, &ch, 1, 0) == 1
/* The codes in this range directly match the Latin 1
codes so we can just use the Unicode value as the
key sym */
&& ch >= 0x20 && ch <= 0xff)
event->key.keyval = ch;
else
/* Otherwise we don't know what the key means but the
application might be able to do something with the
scan code so we might as well still generate the
event */
event->key.keyval = CLUTTER_KEY_VoidSymbol;
/* Get the unicode value of the keypress again using the
full modifier state */
if (ToUnicode (msg->wParam, scan_code,
key_states, &ch, 1, 0) == 1)
event->key.unicode_value = ch;
else
event->key.unicode_value = 0;
}
event->key.type = msg->message == WM_KEYDOWN
|| msg->message == WM_SYSKEYDOWN
? CLUTTER_KEY_PRESS : CLUTTER_KEY_RELEASE;
event->key.time = msg->time;
event->key.modifier_state = get_key_modifier_state (key_states);
event->key.hardware_keycode = scan_code;
event->any.stage = stage;
clutter_event_set_device (event, core_keyboard);
take_and_queue_event (event);
}
break;
case WM_GETMINMAXINFO:
{
MINMAXINFO *min_max_info = (MINMAXINFO *) msg->lParam;
_clutter_stage_win32_get_min_max_info (stage_win32, min_max_info);
return_value = TRUE;
}
break;
case WM_SETCURSOR:
/* If the cursor is in the window's client area and the stage's
cursor should be invisible then we'll set a blank cursor
instead */
if (LOWORD (msg->lParam) == HTCLIENT && !stage_win32->is_cursor_visible)
{
return_value = TRUE;
_clutter_stage_win32_update_cursor (stage_win32);
}
break;
}
return return_value;
}
static gboolean
message_translate (ClutterBackend *backend,
ClutterEvent *event,
const MSG *msg,
gboolean *call_def_window_proc)
{
ClutterBackendWin32 *backend_win32;
ClutterStageWin32 *stage_win32;
ClutterStage *stage;
ClutterStageWindow *impl;
gboolean res;
backend_win32 = CLUTTER_BACKEND_WIN32 (backend);
/* Do further processing only on events for the stage window */
stage = clutter_win32_get_stage_from_window (msg->hwnd);
if (stage == NULL)
return FALSE;
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
event->any.stage = stage;
res = TRUE;
switch (msg->message)
{
case WM_SIZE:
if (!stage_win32->is_foreign_win
/* Ignore size changes resulting from the stage being
minimized - otherwise the window size will be set to
0,0 */
&& msg->wParam != SIZE_MINIMIZED)
{
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);
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_SHOWWINDOW:
if (msg->wParam)
clutter_stage_win32_map (stage_win32);
else
clutter_stage_win32_unmap (stage_win32);
res = FALSE;
break;
case WM_ACTIVATE:
if (msg->wParam == WA_INACTIVE)
{
if (stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED)
{
stage_win32->state &= ~CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
}
else
res = FALSE;
break;
}
else
{
if (!(stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED))
{
stage_win32->state |= CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
}
else
res = FALSE;
}
break;
case WM_PAINT:
CLUTTER_NOTE (MULTISTAGE, "expose for stage:%p, redrawing", stage);
clutter_redraw (stage);
res = FALSE;
break;
case WM_DESTROY:
CLUTTER_NOTE (EVENT, "WM_DESTROY");
event->type = CLUTTER_DESTROY_NOTIFY;
break;
case WM_CLOSE:
CLUTTER_NOTE (EVENT, "WM_CLOSE");
event->type = CLUTTER_DELETE;
/* The default window proc will destroy the window so we want to
prevent this to allow applications to optionally destroy the
window themselves */
if (call_def_window_proc)
*call_def_window_proc = FALSE;
break;
case WM_LBUTTONDOWN:
make_button_event (msg, event, 1, 1, FALSE);
break;
case WM_MBUTTONDOWN:
make_button_event (msg, event, 2, 1, FALSE);
break;
case WM_RBUTTONDOWN:
make_button_event (msg, event, 3, 1, FALSE);
break;
case WM_LBUTTONUP:
make_button_event (msg, event, 1, 1, TRUE);
break;
case WM_MBUTTONUP:
make_button_event (msg, event, 2, 1, TRUE);
break;
case WM_RBUTTONUP:
make_button_event (msg, event, 3, 1, TRUE);
break;
case WM_LBUTTONDBLCLK:
make_button_event (msg, event, 1, 2, FALSE);
break;
case WM_MBUTTONDBLCLK:
make_button_event (msg, event, 2, 2, FALSE);
break;
case WM_RBUTTONDBLCLK:
make_button_event (msg, event, 3, 2, FALSE);
break;
case WM_MOUSEWHEEL:
stage_win32->scroll_pos += (SHORT) HIWORD (msg->wParam);
event->type = CLUTTER_SCROLL;
event->scroll.time = msg->time;
event->scroll.modifier_state
= get_modifier_state (LOWORD (msg->wParam));
/* conversion to window coordinates is required */
{
POINT pt = { GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam) };
ScreenToClient (msg->hwnd, &pt);
event->scroll.x = pt.x;
event->scroll.y = pt.y;
}
if (stage_win32->scroll_pos >= WHEEL_DELTA)
{
event->scroll.direction = CLUTTER_SCROLL_UP;
stage_win32->scroll_pos -= WHEEL_DELTA;
}
else if (stage_win32->scroll_pos <= -WHEEL_DELTA)
{
event->scroll.direction = CLUTTER_SCROLL_DOWN;
stage_win32->scroll_pos += WHEEL_DELTA;
}
else
res = FALSE;
break;
case WM_MOUSEMOVE:
event->type = CLUTTER_MOTION;
event->motion.time = msg->time;
event->motion.x = GET_X_LPARAM (msg->lParam);
event->motion.y = GET_Y_LPARAM (msg->lParam);
event->motion.modifier_state = get_modifier_state (msg->wParam);
break;
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
{
int scan_code = (msg->lParam >> 16) & 0xff;
int min = 0, max = CLUTTER_WIN32_KEY_MAP_SIZE, mid;
BYTE key_states[256];
/* Get the keyboard modifier states. GetKeyboardState
conveniently gets the key state that was current when the
last keyboard message read was generated */
GetKeyboardState(key_states);
/* Binary chop to check if we have a direct mapping for this
key code */
while (min < max)
{
mid = (min + max) / 2;
if (clutter_win32_key_map[mid].win_sym == msg->wParam)
{
event->key.keyval = clutter_win32_key_map[mid].clutter_sym;
event->key.unicode_value = 0;
break;
}
else if (clutter_win32_key_map[mid].win_sym < msg->wParam)
min = mid + 1;
else
max = mid;
}
/* If we don't have a direct mapping then try getting the
unicode value of the key sym */
if (min >= max)
{
WCHAR ch;
BYTE shift_state[256];
/* Translate to a Unicode value, but only take into
account the shift key. That way Ctrl+Shift+C will
generate a capital C virtual key code with a zero
unicode value for example */
memset (shift_state, 0, 256);
shift_state[VK_SHIFT] = key_states[VK_SHIFT];
shift_state[VK_LSHIFT] = key_states[VK_LSHIFT];
shift_state[VK_RSHIFT] = key_states[VK_RSHIFT];
shift_state[VK_CAPITAL] = key_states[VK_CAPITAL];
if (ToUnicode (msg->wParam, scan_code,
shift_state, &ch, 1, 0) == 1
/* The codes in this range directly match the Latin 1
codes so we can just use the Unicode value as the
key sym */
&& ch >= 0x20 && ch <= 0xff)
event->key.keyval = ch;
else
/* Otherwise we don't know what the key means but the
application might be able to do something with the
scan code so we might as well still generate the
event */
event->key.keyval = CLUTTER_VoidSymbol;
/* Get the unicode value of the keypress again using the
full modifier state */
if (ToUnicode (msg->wParam, scan_code,
key_states, &ch, 1, 0) == 1)
event->key.unicode_value = ch;
else
event->key.unicode_value = 0;
}
event->key.type = msg->message == WM_KEYDOWN
|| msg->message == WM_SYSKEYDOWN
? CLUTTER_KEY_PRESS : CLUTTER_KEY_RELEASE;
event->key.time = msg->time;
event->key.modifier_state = get_key_modifier_state (key_states);
event->key.hardware_keycode = scan_code;
}
break;
case WM_GETMINMAXINFO:
{
MINMAXINFO *min_max_info = (MINMAXINFO *) msg->lParam;
_clutter_stage_win32_get_min_max_info (stage_win32, min_max_info);
if (call_def_window_proc)
*call_def_window_proc = FALSE;
}
break;
default:
/* ignore every other message */
res = FALSE;
break;
}
return res;
}
static void
clutter_backend_egl_ensure_context (ClutterBackend *backend,
ClutterStage *stage)
{
ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
ClutterStageWindow *impl;
if (stage == NULL ||
(CLUTTER_PRIVATE_FLAGS (stage) & CLUTTER_ACTOR_IN_DESTRUCTION) ||
((impl = _clutter_stage_get_window (stage)) == NULL))
{
CLUTTER_NOTE (BACKEND, "Clearing EGL context");
eglMakeCurrent (backend_egl->edpy,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
EGL_NO_CONTEXT);
}
else
{
ClutterStageEGL *stage_egl;
ClutterStageX11 *stage_x11;
g_assert (impl != NULL);
CLUTTER_NOTE (MULTISTAGE, "Setting context for stage of type %s [%p]",
g_type_name (G_OBJECT_TYPE (impl)),
impl);
stage_egl = CLUTTER_STAGE_EGL (impl);
stage_x11 = CLUTTER_STAGE_X11 (impl);
if (backend_egl->egl_context == EGL_NO_CONTEXT)
return;
clutter_x11_trap_x_errors ();
/* we might get here inside the final dispose cycle, so we
* need to handle this gracefully
*/
if (stage_x11->xwin == None ||
stage_egl->egl_surface == EGL_NO_SURFACE)
{
CLUTTER_NOTE (MULTISTAGE,
"Received a stale stage, clearing all context");
if (backend_egl->dummy_surface == EGL_NO_SURFACE)
eglMakeCurrent (backend_egl->edpy,
EGL_NO_SURFACE,
EGL_NO_SURFACE,
EGL_NO_CONTEXT);
else
eglMakeCurrent (backend_egl->edpy,
backend_egl->dummy_surface,
backend_egl->dummy_surface,
backend_egl->egl_context);
}
else
{
CLUTTER_NOTE (MULTISTAGE, "Setting real surface current");
eglMakeCurrent (backend_egl->edpy,
stage_egl->egl_surface,
stage_egl->egl_surface,
backend_egl->egl_context);
}
if (clutter_x11_untrap_x_errors ())
g_critical ("Unable to make the stage window 0x%x the current "
"EGLX drawable",
(int) stage_x11->xwin);
}
}
