diff options
Diffstat (limited to 'eel')
| -rw-r--r-- | eel/eel-background.c | 162 | ||||
| -rw-r--r-- | eel/eel-background.h | 1 |
2 files changed, 117 insertions, 46 deletions
diff --git a/eel/eel-background.c b/eel/eel-background.c index c1ef5c6c..76f47a69 100644 --- a/eel/eel-background.c +++ b/eel/eel-background.c @@ -53,6 +53,7 @@ static guint signals[LAST_SIGNAL] = { 0 }; struct EelBackgroundDetails { GtkWidget *widget; + GtkWidget *front_widget; MateBG *bg; char *color; @@ -79,6 +80,10 @@ struct EelBackgroundDetails gboolean is_active; }; +#if GTK_CHECK_VERSION (3, 22, 0) +static GList *desktop_bg_objects = NULL; +#endif + static void free_fade (EelBackground *self) { @@ -124,9 +129,16 @@ eel_background_finalize (GObject *object) } free_background_surface (self); - free_fade (self); +#if GTK_CHECK_VERSION (3, 22, 0) + if (self->details->is_desktop) + { + desktop_bg_objects = g_list_remove (desktop_bg_objects, + G_OBJECT (self)); + } + +#endif G_OBJECT_CLASS (eel_background_parent_class)->finalize (object); } @@ -358,11 +370,15 @@ void eel_background_draw (GtkWidget *widget, cairo_t *cr) { - int width, height; - GdkWindow *window = gtk_widget_get_window (widget); + EelBackground *self = eel_get_widget_background (widget); GdkRGBA color; + int width, height; - EelBackground *self = eel_get_widget_background (widget); + if (self->details->fade != NULL && + mate_bg_crossfade_is_started (self->details->fade)) + { + return; + } drawable_get_adjusted_size (self, &width, &height); @@ -372,7 +388,8 @@ eel_background_draw (GtkWidget *widget, cairo_save (cr); - if (self->details->bg_surface != NULL) { + if (self->details->bg_surface != NULL) + { cairo_set_source_surface (cr, self->details->bg_surface, 0, 0); cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); } else { @@ -468,7 +485,7 @@ on_fade_finished (MateBGCrossfade *fade, static gboolean fade_to_surface (EelBackground *self, - GdkWindow *window, + GtkWidget *widget, cairo_surface_t *surface) { if (self->details->fade == NULL || @@ -479,7 +496,22 @@ fade_to_surface (EelBackground *self, if (!mate_bg_crossfade_is_started (self->details->fade)) { +#if GTK_CHECK_VERSION (3, 22, 0) + mate_bg_crossfade_start_widget (self->details->fade, widget); +#else + GdkWindow *window; + + if (EEL_IS_CANVAS (widget)) + { + window = gtk_layout_get_bin_window (GTK_LAYOUT (widget)); + } + else + { + window = gtk_widget_get_window (widget); + } + mate_bg_crossfade_start (self->details->fade, window); +#endif if (self->details->is_desktop) { g_signal_connect (self->details->fade, @@ -494,9 +526,7 @@ fade_to_surface (EelBackground *self, static void eel_background_set_up_widget (EelBackground *self) { - GdkWindow *window; GtkWidget *widget = self->details->widget; - GdkRGBA color; gboolean in_fade = FALSE; @@ -504,41 +534,48 @@ eel_background_set_up_widget (EelBackground *self) return; eel_background_ensure_realized (self); - color = self->details->default_color; - make_color_inactive (self, &color); if (self->details->bg_surface == NULL) return; - if (EEL_IS_CANVAS (widget)) { - window = gtk_layout_get_bin_window (GTK_LAYOUT (widget)); - } else { - window = gtk_widget_get_window (widget); - } + gtk_widget_queue_draw (widget); if (self->details->fade != NULL) - in_fade = fade_to_surface (self, window, self->details->bg_surface); + in_fade = fade_to_surface (self, widget, self->details->bg_surface); if (!in_fade) { - cairo_pattern_t *pattern; - pattern = cairo_pattern_create_for_surface (self->details->bg_surface); - gdk_window_set_background_pattern (window, pattern); - cairo_pattern_destroy (pattern); - + GdkWindow *window; - if (self->details->is_desktop) + if (EEL_IS_CANVAS (widget)) { - set_root_surface (self, window, gtk_widget_get_screen (widget)); + window = gtk_layout_get_bin_window (GTK_LAYOUT (widget)); } else { - - gdk_window_set_background_rgba (window, &color); - + window = gtk_widget_get_window (widget); } - gdk_window_invalidate_rect (window, NULL, TRUE); + if (self->details->is_desktop) + { +#if !GTK_CHECK_VERSION (3, 22, 0) + if (self->details->bg_surface != NULL) + { + cairo_pattern_t *pattern = + cairo_pattern_create_for_surface (self->details->bg_surface); + gdk_window_set_background_pattern (window, pattern); + cairo_pattern_destroy (pattern); + } + else + { + GdkRGBA color = self->details->default_color; + make_color_inactive (self, &color); + gdk_window_set_background_rgba (window, &color); + } + gdk_window_invalidate_rect (window, NULL, TRUE); +#endif + set_root_surface (self, window, gtk_widget_get_screen (widget)); + } } } @@ -553,8 +590,6 @@ background_changed_cb (EelBackground *self) eel_background_unrealize (self); eel_background_set_up_widget (self); - gtk_widget_queue_draw (self->details->widget); - return FALSE; } @@ -577,12 +612,10 @@ widget_queue_background_change (GtkWidget *widget, * EelBackgroundStyle so that it will match the chosen GTK+ theme. */ static void -widget_style_set_cb (GtkWidget *widget, - GtkStyle *previous_style, - gpointer user_data) +widget_style_updated_cb (GtkWidget *widget, + gpointer user_data) { - if (previous_style != NULL) - widget_queue_background_change (widget, user_data); + widget_queue_background_change (widget, user_data); } static void @@ -692,7 +725,9 @@ on_widget_destroyed (GtkWidget *widget, } free_fade (self); + self->details->widget = NULL; + self->details->front_widget = NULL; } /* Gets the background attached to a widget. @@ -701,9 +736,8 @@ on_widget_destroyed (GtkWidget *widget, this will create one. To change the widget's background, you can just call eel_background methods on the widget. - If the widget is a canvas, nothing more needs to be done. For - normal widgets, you need to call eel_background_draw() from your - draw/expose handler to draw the background. + You need to call eel_background_draw() from your draw event handler to + draw the background. Later, we might want a call to find out if we already have a background, or a way to share the same background among multiple widgets; both would @@ -712,22 +746,41 @@ on_widget_destroyed (GtkWidget *widget, EelBackground * eel_get_widget_background (GtkWidget *widget) { + EelBackground *self; + gpointer data; +#if GTK_CHECK_VERSION (3, 22, 0) + GList *l; +#endif g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL); /* Check for an existing background. */ - gpointer data = g_object_get_data (G_OBJECT (widget), "eel_background"); + data = g_object_get_data (G_OBJECT (widget), "eel_background"); if (data != NULL) { g_assert (EEL_IS_BACKGROUND (data)); return data; } +#if GTK_CHECK_VERSION (3, 22, 0) + /* Check for an existing desktop window background. */ + for (l = desktop_bg_objects; l != NULL; l = l->next) + { + g_assert (EEL_IS_BACKGROUND (l->data)); + self = EEL_BACKGROUND (l->data); + if (widget == self->details->widget) + { + return self; + } + } +#endif + + self = eel_background_new (); + self->details->widget = widget; + self->details->front_widget = widget; /* Store the background in the widget's data. */ - EelBackground *self = eel_background_new (); g_object_set_data_full (G_OBJECT (widget), "eel_background", self, g_object_unref); - self->details->widget = widget; g_signal_connect_object (widget, "destroy", G_CALLBACK (on_widget_destroyed), self, 0); @@ -736,8 +789,8 @@ eel_get_widget_background (GtkWidget *widget) g_signal_connect_object (widget, "unrealize", G_CALLBACK (widget_unrealize_cb), self, 0); - g_signal_connect_object (widget, "style_set", - G_CALLBACK (widget_style_set_cb), self, 0); + g_signal_connect_object (widget, "style-updated", + G_CALLBACK (widget_style_updated_cb), self, 0); /* Arrange to get the signal whenever the background changes. */ g_signal_connect_object (self, "appearance_changed", @@ -828,14 +881,32 @@ eel_background_reset (EelBackground *self) void eel_background_set_desktop (EelBackground *self, - GtkWidget *widget, gboolean is_desktop) { self->details->is_desktop = is_desktop; - if (gtk_widget_get_realized (widget) && is_desktop) + if (is_desktop) { - widget_realized_setup (widget, self); +#if GTK_CHECK_VERSION (3, 22, 0) + self->details->widget = + gtk_widget_get_toplevel (self->details->front_widget); + + desktop_bg_objects = g_list_prepend (desktop_bg_objects, + G_OBJECT (self)); + +#endif + if (gtk_widget_get_realized (self->details->widget)) + { + widget_realized_setup (self->details->widget, self); + } + } + else + { +#if GTK_CHECK_VERSION (3, 22, 0) + desktop_bg_objects = g_list_remove (desktop_bg_objects, + G_OBJECT (self)); + self->details->widget = self->details->front_widget; +#endif } } @@ -853,6 +924,7 @@ eel_background_set_active (EelBackground *self, { self->details->is_active = is_active; set_image_properties (self); + gtk_widget_queue_draw (self->details->widget); } } diff --git a/eel/eel-background.h b/eel/eel-background.h index b16fc88b..3820e21d 100644 --- a/eel/eel-background.h +++ b/eel/eel-background.h @@ -83,7 +83,6 @@ void eel_bg_set_placement (EelBackground /* Should be TRUE for desktop background */ gboolean eel_background_is_desktop (EelBackground *self); void eel_background_set_desktop (EelBackground *self, - GtkWidget *widget, gboolean is_desktop); /* Calls to interrogate the current state of a background. */ |