static void
clutter_backend_real_resolution_changed (ClutterBackend *backend)
{
ClutterBackendPrivate *priv = backend->priv;
ClutterMainContext *context;
ClutterSettings *settings;
gdouble resolution;
gint dpi;
settings = clutter_settings_get_default ();
g_object_get (settings, "font-dpi", &dpi, NULL);
if (dpi < 0)
resolution = 96.0;
else
resolution = dpi / 1024.0;
context = _clutter_context_get_default ();
if (context->font_map != NULL)
cogl_pango_font_map_set_resolution (context->font_map, resolution);
priv->units_per_em = get_units_per_em (backend, NULL);
priv->units_serial += 1;
CLUTTER_NOTE (BACKEND, "Units per em: %.2f", priv->units_per_em);
}
/* Query if long-press events should be handled and signals emitted */
static void _xfdashboard_click_action_query_long_press(XfdashboardClickAction *self)
{
XfdashboardClickActionPrivate *priv;
ClutterActor *actor;
gboolean result;
gint timeout;
g_return_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self));
priv=self->priv;
result=FALSE;
/* If no duration was set get default one from settings */
if(priv->longPressDuration<0)
{
ClutterSettings *settings=clutter_settings_get_default();
g_object_get(settings, "long-press-duration", &timeout, NULL);
}
else timeout=priv->longPressDuration;
/* Emit signal to determine if long-press should be supported */
actor=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(self));
g_signal_emit(self, XfdashboardClickActionSignals[SIGNAL_LONG_PRESS], 0, actor, CLUTTER_LONG_PRESS_QUERY, &result);
if(result)
{
priv->longPressID=clutter_threads_add_timeout(timeout,
_xfdashboard_click_action_emit_long_press,
self);
}
}
static inline void
click_action_query_long_press (ClutterClickAction *action)
{
ClutterClickActionPrivate *priv = action->priv;
ClutterActor *actor;
gboolean result = FALSE;
gint timeout;
if (priv->long_press_duration < 0)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (settings,
"long-press-duration", &timeout,
NULL);
}
else
timeout = priv->long_press_duration;
actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (action));
g_signal_emit (action, click_signals[LONG_PRESS], 0,
actor,
CLUTTER_LONG_PRESS_QUERY,
&result);
if (result)
{
priv->long_press_id =
clutter_threads_add_timeout (timeout,
click_action_emit_long_press,
action);
}
}
void
_clutter_backend_gdk_update_setting (ClutterBackendGdk *backend_gdk,
const gchar *setting_name)
{
ClutterSettings *settings = clutter_settings_get_default ();
int i;
for (i = 0; i < G_N_ELEMENTS (_clutter_settings_map); i++)
{
if (g_strcmp0 (CLUTTER_SETTING_GDK_NAME (i), setting_name) == 0)
{
GValue val = G_VALUE_INIT;
g_value_init (&val, CLUTTER_SETTING_TYPE (i));
gdk_screen_get_setting (backend_gdk->screen,
CLUTTER_SETTING_GDK_NAME (i),
&val);
g_object_set_property (G_OBJECT (settings),
CLUTTER_SETTING_PROPERTY (i),
&val);
g_value_unset (&val);
break;
}
}
}
/**
* clutter_backend_set_double_click_distance:
* @backend: a #ClutterBackend
* @distance: a distance, in pixels
*
* Sets the maximum distance used to verify a double click event.
*
* Since: 0.4
*
* Deprecated: 1.4: Use #ClutterSettings:double-click-distance instead
*/
void
clutter_backend_set_double_click_distance (ClutterBackend *backend,
guint distance)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_set (settings, "double-click-distance", distance, NULL);
}
/**
* clutter_backend_set_double_click_time:
* @backend: a #ClutterBackend
* @msec: milliseconds between two button press events
*
* Sets the maximum time between two button press events, used to
* verify whether it's a double click event or not.
*
* Since: 0.4
*
* Deprecated: 1.4: Use #ClutterSettings:double-click-time instead
*/
void
clutter_backend_set_double_click_time (ClutterBackend *backend,
guint msec)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_set (settings, "double-click-time", msec, NULL);
}
static gint
gesture_get_default_threshold (void)
{
gint threshold;
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (settings, "dnd-drag-threshold", &threshold, NULL);
return threshold;
}
/**
* clutter_backend_set_font_name:
* @backend: a #ClutterBackend
* @font_name: the name of the font
*
* Sets the default font to be used by Clutter. The @font_name string
* must either be %NULL, which means that the font name from the
* default #ClutterBackend will be used; or be something that can
* be parsed by the pango_font_description_from_string() function.
*
* Since: 1.0
*
* Deprecated: 1.4: Use #ClutterSettings:font-name instead
*/
void
clutter_backend_set_font_name (ClutterBackend *backend,
const gchar *font_name)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_set (settings, "font-name", font_name, NULL);
}
/**
* clutter_backend_get_double_click_time:
* @backend: a #ClutterBackend
*
* Gets the maximum time between two button press events, as set
* by clutter_backend_set_double_click_time().
*
* Return value: a time in milliseconds
*
* Since: 0.4
*
* Deprecated: 1.4: Use #ClutterSettings:double-click-time instead
*/
guint
clutter_backend_get_double_click_time (ClutterBackend *backend)
{
ClutterSettings *settings = clutter_settings_get_default ();
gint retval;
g_object_get (settings, "double-click-time", &retval, NULL);
return retval;
}
static gfloat
get_units_per_em (ClutterBackend *backend,
PangoFontDescription *font_desc)
{
gfloat units_per_em = -1.0;
gboolean free_font_desc = FALSE;
gdouble dpi;
dpi = clutter_backend_get_resolution (backend);
if (font_desc == NULL)
{
ClutterSettings *settings;
gchar *font_name = NULL;
settings = clutter_settings_get_default ();
g_object_get (settings, "font-name", &font_name, NULL);
if (G_LIKELY (font_name != NULL && *font_name != '\0'))
{
font_desc = pango_font_description_from_string (font_name);
free_font_desc = TRUE;
g_free (font_name);
}
}
if (font_desc != NULL)
{
gdouble font_size = 0;
gint pango_size;
gboolean is_absolute;
pango_size = pango_font_description_get_size (font_desc);
is_absolute = pango_font_description_get_size_is_absolute (font_desc);
/* "absolute" means "device units" (usually, pixels); otherwise,
* it means logical units (points)
*/
if (is_absolute)
font_size = (gdouble) pango_size / PANGO_SCALE;
else
font_size = dpi * ((gdouble) pango_size / PANGO_SCALE) / 72.0f;
/* 10 points at 96 DPI is 13.3 pixels */
units_per_em = (1.2f * font_size) * dpi / 96.0f;
}
else
units_per_em = -1.0f;
if (free_font_desc)
pango_font_description_free (font_desc);
return units_per_em;
}
static gboolean
clutter_backend_wayland_post_parse (ClutterBackend *backend,
GError **error)
{
ClutterBackendWayland *backend_wayland = CLUTTER_BACKEND_WAYLAND (backend);
/* TODO: expose environment variable/commandline option for this... */
backend_wayland->wayland_display = wl_display_connect (NULL);
if (!backend_wayland->wayland_display)
{
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_BACKEND,
"Failed to open Wayland display socket");
return FALSE;
}
backend_wayland->wayland_registry =
wl_display_get_registry (backend_wayland->wayland_display);
backend_wayland->wayland_source =
_clutter_event_source_wayland_new (backend_wayland->wayland_display);
g_source_attach (backend_wayland->wayland_source, NULL);
g_object_set (clutter_settings_get_default (), "font-dpi", 96 * 1024, NULL);
/* XXX: We require the device manager to exist as soon as we connect to the
* compositor and setup an event handler because we will immediately be
* notified of the available input devices which need to be associated with
* the device-manager.
*
* FIXME: At some point we could perhaps just collapse the
* _clutter_backend_post_parse(), and _clutter_backend_init_events()
* functions into one called something like _clutter_backend_init() which
* would allow the real backend to manage the precise order of
* initialization.
*/
backend_wayland->device_manager =
_clutter_device_manager_wayland_new (backend);
/* Set up listener so we'll catch all events. */
wl_registry_add_listener (backend_wayland->wayland_registry,
&wayland_registry_listener,
backend_wayland);
/* Wait until we have been notified about the compositor and shell objects */
while (!(backend_wayland->wayland_compositor &&
backend_wayland->wayland_shell))
wl_display_roundtrip (backend_wayland->wayland_display);
/* We need the shm object before we can create the cursor */
clutter_backend_wayland_load_cursor (backend_wayland);
return TRUE;
}
static gboolean
gesture_begin (ClutterGestureAction *action,
ClutterActor *actor)
{
ClutterSwipeActionPrivate *priv = CLUTTER_SWIPE_ACTION (action)->priv;
ClutterSettings *settings = clutter_settings_get_default ();
/* reset the state at the beginning of a new gesture */
priv->h_direction = 0;
priv->v_direction = 0;
g_object_get (settings, "dnd-drag-threshold", &priv->threshold, NULL);
return TRUE;
}
/**
* clutter_backend_get_resolution:
* @backend: a #ClutterBackend
*
* Gets the resolution for font handling on the screen.
*
* The resolution is a scale factor between points specified in a
* #PangoFontDescription and cairo units. The default value is 96.0,
* meaning that a 10 point font will be 13 units
* high (10 * 96. / 72. = 13.3).
*
* Clutter will set the resolution using the current backend when
* initializing; the resolution is also stored in the
* #ClutterSettings:font-dpi property.
*
* Return value: the current resolution, or -1 if no resolution
* has been set.
*
* Since: 0.4
*/
gdouble
clutter_backend_get_resolution (ClutterBackend *backend)
{
ClutterSettings *settings;
gint resolution;
g_return_val_if_fail (CLUTTER_IS_BACKEND (backend), -1.0);
settings = clutter_settings_get_default ();
g_object_get (settings, "font-dpi", &resolution, NULL);
if (resolution < 0)
return 96.0;
return resolution / 1024.0;
}
/**
* clutter_backend_get_font_name:
* @backend: a #ClutterBackend
*
* Retrieves the default font name as set by
* clutter_backend_set_font_name().
*
* Return value: the font name for the backend. The returned string is
* owned by the #ClutterBackend and should never be modified or freed
*
* Since: 1.0
*
* Deprecated: 1.4: Use #ClutterSettings:font-name instead
*/
const gchar *
clutter_backend_get_font_name (ClutterBackend *backend)
{
ClutterSettings *settings;
g_return_val_if_fail (CLUTTER_IS_BACKEND (backend), NULL);
settings = clutter_settings_get_default ();
/* XXX yuck. but we return a const pointer, so we need to
* store it in the backend
*/
g_free (backend->font_name);
g_object_get (settings, "font-name", &backend->font_name, NULL);
return backend->font_name;
}
/**
* clutter_backend_set_resolution:
* @backend: a #ClutterBackend
* @dpi: the resolution in "dots per inch" (Physical inches aren't
* actually involved; the terminology is conventional).
*
* Sets the resolution for font handling on the screen. This is a
* scale factor between points specified in a #PangoFontDescription
* and cairo units. The default value is 96, meaning that a 10 point
* font will be 13 units high. (10 * 96. / 72. = 13.3).
*
* Applications should never need to call this function.
*
* Since: 0.4
*
* Deprecated: 1.4: Use #ClutterSettings:font-dpi instead
*/
void
clutter_backend_set_resolution (ClutterBackend *backend,
gdouble dpi)
{
ClutterSettings *settings;
gint resolution;
g_return_if_fail (CLUTTER_IS_BACKEND (backend));
if (dpi < 0)
resolution = -1;
else
resolution = dpi * 1024;
settings = clutter_settings_get_default ();
g_object_set (settings, "font-dpi", resolution, NULL);
}
static void
clutter_backend_gdk_init_settings (ClutterBackendGdk *backend_gdk)
{
ClutterSettings *settings = clutter_settings_get_default ();
int i;
for (i = 0; i < G_N_ELEMENTS (_clutter_settings_map); i++)
{
GValue val = G_VALUE_INIT;
g_value_init (&val, CLUTTER_SETTING_TYPE(i));
gdk_screen_get_setting (backend_gdk->screen,
CLUTTER_SETTING_GDK_NAME(i),
&val);
g_object_set_property (G_OBJECT (settings),
CLUTTER_SETTING_PROPERTY(i),
&val);
g_value_unset (&val);
}
}
static void
mx_label_font_description_cb (ClutterText *text,
GParamSpec *pspec,
MxLabel *self)
{
PangoFontDescription *font;
MxLabelPrivate *priv = self->priv;
/* Find out the em-width - code pretty much copied from Clutter,
* clutter-backend.c, get_units_per_em ()
*/
font = clutter_text_get_font_description (text);
if (font)
{
gint i_dpi;
gdouble dpi;
gdouble font_size = 0;
gint pango_size = pango_font_description_get_size (font);
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (G_OBJECT (settings), "font-dpi", &i_dpi, NULL);
dpi = i_dpi / 1024.0;
if (pango_font_description_get_size_is_absolute (font))
font_size = pango_size / PANGO_SCALE;
else
font_size = pango_size / PANGO_SCALE * dpi / 96.f;
priv->em_width = (1.2f * font_size) * dpi / 96.f;
mx_fade_effect_set_border (MX_FADE_EFFECT (priv->fade_effect),
0, priv->em_width * 5, 0, 0);
}
}
static gboolean
on_event (ClutterActor *actor,
ClutterEvent *event,
ClutterClickAction *action)
{
ClutterClickActionPrivate *priv = action->priv;
gboolean has_button = TRUE;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (action)))
return CLUTTER_EVENT_PROPAGATE;
switch (clutter_event_type (event))
{
case CLUTTER_TOUCH_BEGIN:
has_button = FALSE;
case CLUTTER_BUTTON_PRESS:
if (has_button && clutter_event_get_click_count (event) != 1)
return CLUTTER_EVENT_PROPAGATE;
if (priv->is_held)
return CLUTTER_EVENT_STOP;
if (!clutter_actor_contains (actor, clutter_event_get_source (event)))
return CLUTTER_EVENT_PROPAGATE;
priv->press_button = has_button ? clutter_event_get_button (event) : 0;
priv->press_device_id = clutter_event_get_device_id (event);
priv->press_sequence = clutter_event_get_event_sequence (event);
priv->modifier_state = clutter_event_get_state (event);
clutter_event_get_coords (event, &priv->press_x, &priv->press_y);
if (priv->long_press_threshold < 0)
{
ClutterSettings *settings = clutter_settings_get_default ();
g_object_get (settings,
"dnd-drag-threshold", &priv->drag_threshold,
NULL);
}
else
priv->drag_threshold = priv->long_press_threshold;
if (priv->stage == NULL)
priv->stage = clutter_actor_get_stage (actor);
priv->capture_id = g_signal_connect_after (priv->stage, "captured-event",
G_CALLBACK (on_captured_event),
action);
click_action_set_pressed (action, TRUE);
click_action_set_held (action, TRUE);
click_action_query_long_press (action);
break;
case CLUTTER_ENTER:
click_action_set_pressed (action, priv->is_held);
break;
case CLUTTER_LEAVE:
click_action_set_pressed (action, priv->is_held);
click_action_cancel_long_press (action);
break;
default:
break;
}
return CLUTTER_EVENT_PROPAGATE;
}
/* An event was received */
static gboolean _xfdashboard_click_action_on_event(XfdashboardClickAction *self, ClutterEvent *inEvent, gpointer inUserData)
{
XfdashboardClickActionPrivate *priv;
gboolean hasButton;
ClutterActor *actor;
g_return_val_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self), CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(CLUTTER_IS_ACTOR(inUserData), CLUTTER_EVENT_PROPAGATE);
priv=self->priv;
hasButton=TRUE;
actor=CLUTTER_ACTOR(inUserData);
/* Check if actor is enabled to handle events */
if(!clutter_actor_meta_get_enabled(CLUTTER_ACTOR_META(self))) return(CLUTTER_EVENT_PROPAGATE);
/* Handle event */
switch(clutter_event_type(inEvent))
{
case CLUTTER_TOUCH_BEGIN:
hasButton=FALSE;
case CLUTTER_BUTTON_PRESS:
/* We only handle single clicks if it is pointer device */
if(hasButton && clutter_event_get_click_count(inEvent)!=1)
{
return(CLUTTER_EVENT_PROPAGATE);
}
/* Do we already held the press? */
if(priv->isHeld) return(CLUTTER_EVENT_STOP);
/* Is the source of event a child of this actor. If not do
* not handle this event but any other.
*/
if(!clutter_actor_contains(actor, clutter_event_get_source(inEvent)))
{
return(CLUTTER_EVENT_PROPAGATE);
}
/* Remember event data */
priv->pressButton=hasButton ? clutter_event_get_button(inEvent) : 0;
priv->pressDeviceID=clutter_event_get_device_id(inEvent);
priv->pressSequence=clutter_event_get_event_sequence(inEvent);
priv->modifierState=clutter_event_get_state(inEvent);
clutter_event_get_coords(inEvent, &priv->pressX, &priv->pressY);
if(priv->longPressThreshold<0)
{
ClutterSettings *settings=clutter_settings_get_default();
g_object_get(settings, "dnd-drag-threshold", &priv->dragThreshold, NULL);
}
else priv->dragThreshold=priv->longPressThreshold;
if(priv->stage==NULL) priv->stage=clutter_actor_get_stage(actor);
/* Connect signals */
priv->captureID=g_signal_connect_object(priv->stage,
"captured-event",
G_CALLBACK(_xfdashboard_click_action_on_captured_event),
self,
G_CONNECT_AFTER | G_CONNECT_SWAPPED);
/* Set state of this action */
_xfdashboard_click_action_set_pressed(self, TRUE);
_xfdashboard_click_action_set_held(self, TRUE);
_xfdashboard_click_action_query_long_press(self);
break;
case CLUTTER_ENTER:
_xfdashboard_click_action_set_pressed(self, priv->isHeld);
break;
case CLUTTER_LEAVE:
_xfdashboard_click_action_set_pressed(self, priv->isHeld);
_xfdashboard_click_action_cancel_long_press(self);
break;
default:
break;
}
return(CLUTTER_EVENT_PROPAGATE);
}
/**
* meta_init: (skip)
*
* Initialize mutter. Call this after meta_get_option_context() and
* meta_plugin_manager_set_plugin_type(), and before meta_run().
*/
void
meta_init (void)
{
struct sigaction act;
sigset_t empty_mask;
ClutterSettings *clutter_settings;
sigemptyset (&empty_mask);
act.sa_handler = SIG_IGN;
act.sa_mask = empty_mask;
act.sa_flags = 0;
if (sigaction (SIGPIPE, &act, NULL) < 0)
g_printerr ("Failed to register SIGPIPE handler: %s\n",
g_strerror (errno));
#ifdef SIGXFSZ
if (sigaction (SIGXFSZ, &act, NULL) < 0)
g_printerr ("Failed to register SIGXFSZ handler: %s\n",
g_strerror (errno));
#endif
g_unix_signal_add (SIGTERM, on_sigterm, NULL);
if (g_getenv ("MUTTER_VERBOSE"))
meta_set_verbose (TRUE);
if (g_getenv ("MUTTER_DEBUG"))
meta_set_debugging (TRUE);
#if defined(CLUTTER_WINDOWING_EGL) && defined(HAVE_NATIVE_BACKEND)
if (opt_display_server)
clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL);
#endif
meta_set_is_wayland_compositor (opt_wayland);
if (g_get_home_dir ())
if (chdir (g_get_home_dir ()) < 0)
meta_warning ("Could not change to home directory %s.\n",
g_get_home_dir ());
meta_print_self_identity ();
#ifdef HAVE_INTROSPECTION
g_irepository_prepend_search_path (MUTTER_PKGLIBDIR);
#endif
if (meta_is_wayland_compositor ())
{
/* NB: When running as a hybrid wayland compositor we run our own headless X
* server so the user can't control the X display to connect too. */
meta_wayland_init ();
}
else
meta_select_display (opt_display_name);
meta_set_syncing (opt_sync || (g_getenv ("MUTTER_SYNC") != NULL));
if (opt_replace_wm)
meta_set_replace_current_wm (TRUE);
if (opt_save_file && opt_client_id)
meta_fatal ("Can't specify both SM save file and SM client id\n");
meta_main_loop = g_main_loop_new (NULL, FALSE);
meta_ui_init ();
/* If we are running with wayland then we don't wait until we have
* an X connection before initializing clutter we instead initialize
* it earlier since we need to initialize the GL driver so the driver
* can register any needed wayland extensions. */
if (!meta_is_wayland_compositor ())
{
/*
* Clutter can only be initialized after the UI.
*/
meta_clutter_init ();
}
meta_restart_init ();
/*
* XXX: We cannot handle high dpi scaling yet, so fix the scale to 1
* for now.
*/
clutter_settings = clutter_settings_get_default ();
g_object_set (clutter_settings, "window-scaling-factor", 1, NULL);
}
int
main (int argc,
char **argv)
{
bool standalone = false;
char const *geometry = NULL;
int dpi = 0;
GOptionEntry _options[] = {
{ "standalone", 's', 0, G_OPTION_ARG_NONE, &standalone,
"Run as standalone app (for testing purpose)", NULL },
{ "geometry", 'g', 0, G_OPTION_ARG_STRING, &geometry,
"Window geometry in standalone mode", NULL },
#if CLUTTER_CHECK_VERSION(1, 3, 0)
{ "clutter-font-dpi", 'd', 0, G_OPTION_ARG_INT, &dpi,
"Set clutter font resolution to <dpi>", "<dpi>" },
#endif
{ NULL }
};
ClutterActor *shell;
GOptionContext *context;
ClutterInitError clutter_error;
GError *error = NULL;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
context = g_option_context_new ("- Dawati devices panel");
g_option_context_add_main_entries (context, _options, GETTEXT_PACKAGE);
g_option_context_add_group (context, clutter_get_option_group_without_init ());
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_critical ("%s %s", G_STRLOC, error->message);
g_critical ("Starting in standalone mode.");
g_clear_error (&error);
standalone = true;
}
g_option_context_free (context);
clutter_error = clutter_init (&argc, &argv);
if (clutter_error != CLUTTER_INIT_SUCCESS)
{
g_critical ("Unable to initialise clutter");
return EXIT_FAILURE;
}
notify_init (_("Dawati Devices Panel"));
/* Just for icon theme, no widgets. */
gtk_init (&argc, &argv);
if (dpi)
{
#if CLUTTER_CHECK_VERSION(1, 3, 0)
ClutterSettings *settings = clutter_settings_get_default ();
g_object_set (settings, "font-dpi", dpi * 1000, NULL);
#endif
}
/* Load base styling for default font size */
mpl_panel_clutter_load_base_style ();
mx_texture_cache_load_cache (mx_texture_cache_get_default (),
PKGDATADIR "/mx.cache");
mx_style_load_from_file (mx_style_get_default (),
THEMEDIR "/panel.css", NULL);
if (standalone)
{
ClutterActor *stage = clutter_stage_get_default ();
if (geometry)
{
int x, y;
unsigned int width, height;
XParseGeometry (geometry, &x, &y, &width, &height);
clutter_actor_set_size (stage, width, height);
} else
{
clutter_actor_set_size (stage, MPD_SHELL_WIDTH, MPD_SHELL_HEIGHT);
}
shell = mpd_shell_new ();
g_signal_connect (shell, "request-hide",
G_CALLBACK (_shell_request_hide_cb), NULL);
g_signal_connect (stage, "notify::width",
G_CALLBACK (_stage_width_notify_cb), shell);
g_signal_connect (stage, "notify::height",
G_CALLBACK (_stage_height_notify_cb), shell);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), shell);
clutter_actor_show_all (stage);
} else {
MplPanelClient *panel = mpd_panel_new ("devices",
_("devices"),
"devices-button");
shell = mpd_shell_new ();
mpd_shell_set_client (MPD_SHELL (shell), panel);
g_signal_connect (shell, "request-hide",
G_CALLBACK (_shell_request_hide_cb), panel);
g_signal_connect (shell, "request-show",
G_CALLBACK (_shell_request_show_cb), panel);
g_signal_connect (panel, "size-changed",
G_CALLBACK (_panel_set_size_cb), shell);
clutter_container_add_actor (CLUTTER_CONTAINER (panel), shell);
}
clutter_main ();
return EXIT_SUCCESS;
}
static void
clutter_backend_x11_xsettings_notify (const char *name,
XSettingsAction action,
XSettingsSetting *setting,
void *cb_data)
{
ClutterSettings *settings = clutter_settings_get_default ();
gint i;
if (name == NULL || *name == '\0')
return;
if (setting == NULL)
return;
g_object_freeze_notify (G_OBJECT (settings));
for (i = 0; i < _n_clutter_settings_map; i++)
{
if (g_strcmp0 (name, CLUTTER_SETTING_X11_NAME (i)) == 0)
{
GValue value = G_VALUE_INIT;
switch (setting->type)
{
case XSETTINGS_TYPE_INT:
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, setting->data.v_int);
break;
case XSETTINGS_TYPE_STRING:
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, setting->data.v_string);
break;
case XSETTINGS_TYPE_COLOR:
{
ClutterColor color;
color.red = (guint8) ((float) setting->data.v_color.red
/ 65535.0 * 255);
color.green = (guint8) ((float) setting->data.v_color.green
/ 65535.0 * 255);
color.blue = (guint8) ((float) setting->data.v_color.blue
/ 65535.0 * 255);
color.alpha = (guint8) ((float) setting->data.v_color.alpha
/ 65535.0 * 255);
g_value_init (&value, G_TYPE_BOXED);
clutter_value_set_color (&value, &color);
}
break;
}
CLUTTER_NOTE (BACKEND,
"Mapping XSETTING '%s' to 'ClutterSettings:%s'",
CLUTTER_SETTING_X11_NAME (i),
CLUTTER_SETTING_PROPERTY (i));
clutter_settings_set_property_internal (settings,
CLUTTER_SETTING_PROPERTY (i),
&value);
g_value_unset (&value);
break;
}
}
g_object_thaw_notify (G_OBJECT (settings));
}
static gboolean
clutter_backend_x11_post_parse (ClutterBackend *backend,
GError **error)
{
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (backend);
ClutterSettings *settings;
Atom atoms[N_ATOM_NAMES];
double dpi;
if (_foreign_dpy)
backend_x11->xdpy = _foreign_dpy;
/* Only open connection if not already set by prior call to
* clutter_x11_set_display()
*/
if (backend_x11->xdpy == NULL)
{
if (clutter_display_name != NULL &&
*clutter_display_name != '\0')
{
CLUTTER_NOTE (BACKEND, "XOpenDisplay on '%s'", clutter_display_name);
backend_x11->xdpy = XOpenDisplay (clutter_display_name);
if (backend_x11->xdpy == NULL)
{
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_BACKEND,
"Unable to open display '%s'",
clutter_display_name);
return FALSE;
}
}
else
{
g_set_error_literal (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_BACKEND,
"Unable to open display. You have to set the "
"DISPLAY environment variable, or use the "
"--display command line argument");
return FALSE;
}
}
g_assert (backend_x11->xdpy != NULL);
CLUTTER_NOTE (BACKEND, "Getting the X screen");
settings = clutter_settings_get_default ();
/* add event filter for Cogl events */
clutter_x11_add_filter (cogl_xlib_filter, backend);
if (clutter_screen == -1)
backend_x11->xscreen = DefaultScreenOfDisplay (backend_x11->xdpy);
else
backend_x11->xscreen = ScreenOfDisplay (backend_x11->xdpy,
clutter_screen);
backend_x11->xscreen_num = XScreenNumberOfScreen (backend_x11->xscreen);
backend_x11->xscreen_width = WidthOfScreen (backend_x11->xscreen);
backend_x11->xscreen_height = HeightOfScreen (backend_x11->xscreen);
backend_x11->xwin_root = RootWindow (backend_x11->xdpy,
backend_x11->xscreen_num);
backend_x11->display_name = g_strdup (clutter_display_name);
dpi = (((double) DisplayHeight (backend_x11->xdpy, backend_x11->xscreen_num) * 25.4)
/ (double) DisplayHeightMM (backend_x11->xdpy, backend_x11->xscreen_num));
g_object_set (settings, "font-dpi", (int) dpi * 1024, NULL);
/* create XSETTINGS client */
backend_x11->xsettings =
_clutter_xsettings_client_new (backend_x11->xdpy,
backend_x11->xscreen_num,
clutter_backend_x11_xsettings_notify,
NULL,
backend_x11);
/* add event filter for XSETTINGS events */
clutter_x11_add_filter (xsettings_filter, backend_x11);
if (clutter_synchronise)
XSynchronize (backend_x11->xdpy, True);
XInternAtoms (backend_x11->xdpy,
(char **) atom_names, N_ATOM_NAMES,
False, atoms);
backend_x11->atom_NET_WM_PID = atoms[0];
backend_x11->atom_NET_WM_PING = atoms[1];
backend_x11->atom_NET_WM_STATE = atoms[2];
backend_x11->atom_NET_WM_STATE_FULLSCREEN = atoms[3];
backend_x11->atom_NET_WM_USER_TIME = atoms[4];
backend_x11->atom_WM_PROTOCOLS = atoms[5];
backend_x11->atom_WM_DELETE_WINDOW = atoms[6];
backend_x11->atom_XEMBED = atoms[7];
backend_x11->atom_XEMBED_INFO = atoms[8];
backend_x11->atom_NET_WM_NAME = atoms[9];
backend_x11->atom_UTF8_STRING = atoms[10];
g_free (clutter_display_name);
CLUTTER_NOTE (BACKEND,
"X Display '%s'[%p] opened (screen:%d, root:%u, dpi:%f)",
backend_x11->display_name,
backend_x11->xdpy,
backend_x11->xscreen_num,
(unsigned int) backend_x11->xwin_root,
clutter_backend_get_resolution (backend));
return TRUE;
}
static void
clutter_canvas_emit_draw (ClutterCanvas *self)
{
ClutterCanvasPrivate *priv = self->priv;
int real_width, real_height;
cairo_surface_t *surface;
gboolean mapped_buffer;
unsigned char *data;
CoglBuffer *buffer;
int window_scale = 1;
gboolean res;
cairo_t *cr;
g_assert (priv->height > 0 && priv->width > 0);
priv->dirty = TRUE;
if (priv->scale_factor_set)
window_scale = priv->scale_factor;
else
g_object_get (clutter_settings_get_default (),
"window-scaling-factor", &window_scale,
NULL);
real_width = priv->width * window_scale;
real_height = priv->height * window_scale;
CLUTTER_NOTE (MISC, "Creating Cairo surface with size %d x %d (real: %d x %d, scale: %d)",
priv->width, priv->height,
real_width, real_height,
window_scale);
if (priv->buffer == NULL)
{
CoglContext *ctx;
ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
priv->buffer = cogl_bitmap_new_with_size (ctx,
real_width,
real_height,
CLUTTER_CAIRO_FORMAT_ARGB32);
}
buffer = COGL_BUFFER (cogl_bitmap_get_buffer (priv->buffer));
if (buffer == NULL)
return;
cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC);
data = cogl_buffer_map (buffer,
COGL_BUFFER_ACCESS_READ_WRITE,
COGL_BUFFER_MAP_HINT_DISCARD);
if (data != NULL)
{
int bitmap_stride = cogl_bitmap_get_rowstride (priv->buffer);
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
real_width,
real_height,
bitmap_stride);
mapped_buffer = TRUE;
}
else
{
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
real_width,
real_height);
mapped_buffer = FALSE;
}
cairo_surface_set_device_scale (surface, window_scale, window_scale);
self->priv->cr = cr = cairo_create (surface);
g_signal_emit (self, canvas_signals[DRAW], 0,
cr, priv->width, priv->height,
&res);
#ifdef CLUTTER_ENABLE_DEBUG
if (_clutter_diagnostic_enabled () && cairo_status (cr))
{
g_warning ("Drawing failed for <ClutterCanvas>[%p]: %s",
self,
cairo_status_to_string (cairo_status (cr)));
}
#endif
self->priv->cr = NULL;
cairo_destroy (cr);
if (mapped_buffer)
cogl_buffer_unmap (buffer);
else
{
int size = cairo_image_surface_get_stride (surface) * priv->height;
cogl_buffer_set_data (buffer,
0,
cairo_image_surface_get_data (surface),
size);
}
cairo_surface_destroy (surface);
}
