shell: Remove ShellGenericContainer
Now that it is no longer used in GNOME Shell, let's remove this old workaround. This commit also removes the docs reference from the sgml file. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/153
This commit is contained in:
Georges Basile Stavracas Neto
parent
38c1ebba62
commit
655234e6c3
@ -17,7 +17,6 @@
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<chapter>
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<chapter>
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<title>Actors</title>
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<title>Actors</title>
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<xi:include href="xml/shell-generic-container.xml"/>
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<xi:include href="xml/shell-stack.xml"/>
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<xi:include href="xml/shell-stack.xml"/>
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</chapter>
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</chapter>
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<chapter>
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<chapter>
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@ -108,7 +108,6 @@ libshell_public_headers = [
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'shell-app-system.h',
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'shell-app-system.h',
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'shell-app-usage.h',
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'shell-app-usage.h',
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'shell-embedded-window.h',
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'shell-embedded-window.h',
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'shell-generic-container.h',
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'shell-glsl-quad.h',
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'shell-glsl-quad.h',
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'shell-gtk-embed.h',
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'shell-gtk-embed.h',
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'shell-global.h',
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'shell-global.h',
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@ -144,7 +143,6 @@ libshell_sources = [
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'shell-app-usage.c',
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'shell-app-usage.c',
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'shell-embedded-window.c',
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'shell-embedded-window.c',
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'shell-embedded-window-private.h',
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'shell-embedded-window-private.h',
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'shell-generic-container.c',
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'shell-global.c',
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'shell-global.c',
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'shell-glsl-quad.c',
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'shell-glsl-quad.c',
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'shell-gtk-embed.c',
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'shell-gtk-embed.c',
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@ -1,433 +0,0 @@
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/**
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* SECTION:shell-generic-container
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* @short_description: A container class with signals for allocation
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*
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* #ShellGenericContainer is mainly a workaround for the current
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* lack of GObject subclassing + vfunc overrides in gjs. We
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* implement the container interface, but proxy the virtual functions
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* into signals, which gjs can catch.
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*
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* #ShellGenericContainer is an #StWidget, and automatically takes its
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* borders and padding into account during size request and allocation.
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*/
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#include "config.h"
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#include "shell-generic-container.h"
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#include <clutter/clutter.h>
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#include <gtk/gtk.h>
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#include <girepository.h>
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static void shell_generic_container_iface_init (ClutterContainerIface *iface);
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typedef struct _ShellGenericContainerPrivate ShellGenericContainerPrivate;
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struct _ShellGenericContainer
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{
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StWidget parent;
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ShellGenericContainerPrivate *priv;
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};
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struct _ShellGenericContainerPrivate {
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GHashTable *skip_paint;
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};
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G_DEFINE_TYPE_WITH_CODE(ShellGenericContainer,
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shell_generic_container,
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ST_TYPE_WIDGET,
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G_ADD_PRIVATE (ShellGenericContainer)
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G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_CONTAINER,
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shell_generic_container_iface_init));
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/* Signals */
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enum
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{
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GET_PREFERRED_WIDTH,
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GET_PREFERRED_HEIGHT,
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ALLOCATE,
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LAST_SIGNAL
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};
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static guint shell_generic_container_signals [LAST_SIGNAL] = { 0 };
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static gpointer
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shell_generic_container_allocation_ref (ShellGenericContainerAllocation *alloc)
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{
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alloc->_refcount++;
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return alloc;
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}
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static void
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shell_generic_container_allocation_unref (ShellGenericContainerAllocation *alloc)
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{
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if (--alloc->_refcount == 0)
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g_slice_free (ShellGenericContainerAllocation, alloc);
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}
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static void
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shell_generic_container_allocate (ClutterActor *self,
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const ClutterActorBox *box,
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ClutterAllocationFlags flags)
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{
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StThemeNode *theme_node;
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ClutterActorBox content_box;
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clutter_actor_set_allocation (self, box, flags);
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theme_node = st_widget_get_theme_node (ST_WIDGET (self));
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st_theme_node_get_content_box (theme_node, box, &content_box);
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g_signal_emit (G_OBJECT (self), shell_generic_container_signals[ALLOCATE], 0,
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&content_box, flags);
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}
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static void
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shell_generic_container_get_preferred_width (ClutterActor *actor,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *natural_width_p)
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{
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ShellGenericContainerAllocation *alloc = g_slice_new0 (ShellGenericContainerAllocation);
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StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
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st_theme_node_adjust_for_height (theme_node, &for_height);
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alloc->_refcount = 1;
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g_signal_emit (G_OBJECT (actor), shell_generic_container_signals[GET_PREFERRED_WIDTH], 0,
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for_height, alloc);
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if (min_width_p)
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*min_width_p = alloc->min_size;
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if (natural_width_p)
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*natural_width_p = alloc->natural_size;
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shell_generic_container_allocation_unref (alloc);
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st_theme_node_adjust_preferred_width (theme_node, min_width_p, natural_width_p);
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}
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static void
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shell_generic_container_get_preferred_height (ClutterActor *actor,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *natural_height_p)
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{
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ShellGenericContainerAllocation *alloc = g_slice_new0 (ShellGenericContainerAllocation);
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StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
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st_theme_node_adjust_for_width (theme_node, &for_width);
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alloc->_refcount = 1;
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g_signal_emit (G_OBJECT (actor), shell_generic_container_signals[GET_PREFERRED_HEIGHT], 0,
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for_width, alloc);
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if (min_height_p)
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*min_height_p = alloc->min_size;
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if (natural_height_p)
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*natural_height_p = alloc->natural_size;
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shell_generic_container_allocation_unref (alloc);
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st_theme_node_adjust_preferred_height (theme_node, min_height_p, natural_height_p);
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}
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static void
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shell_generic_container_paint (ClutterActor *actor)
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{
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ShellGenericContainer *self = (ShellGenericContainer*) actor;
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ClutterActor *child;
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st_widget_paint_background (ST_WIDGET (actor));
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for (child = clutter_actor_get_first_child (actor);
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child != NULL;
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child = clutter_actor_get_next_sibling (child))
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{
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if (g_hash_table_lookup (self->priv->skip_paint, child))
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continue;
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clutter_actor_paint (child);
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}
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}
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static void
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shell_generic_container_pick (ClutterActor *actor,
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const ClutterColor *color)
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{
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ShellGenericContainer *self = (ShellGenericContainer*) actor;
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ClutterActor *child;
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CLUTTER_ACTOR_CLASS (shell_generic_container_parent_class)->pick (actor, color);
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for (child = clutter_actor_get_first_child (actor);
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child != NULL;
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child = clutter_actor_get_next_sibling (child))
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{
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if (g_hash_table_lookup (self->priv->skip_paint, child))
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continue;
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clutter_actor_paint (child);
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}
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}
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static GList *
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shell_generic_container_get_focus_chain (StWidget *widget)
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{
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ShellGenericContainer *self = SHELL_GENERIC_CONTAINER (widget);
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ClutterActor *child;
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GList *focus_chain;
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focus_chain = NULL;
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for (child = clutter_actor_get_first_child (CLUTTER_ACTOR (self));
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child != NULL;
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child = clutter_actor_get_next_sibling (child))
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{
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if (clutter_actor_is_visible (child) &&
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!shell_generic_container_get_skip_paint (self, child))
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focus_chain = g_list_prepend (focus_chain, child);
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}
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return g_list_reverse (focus_chain);
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}
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/**
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* shell_generic_container_get_n_skip_paint:
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* @self: A #ShellGenericContainer
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*
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* Returns: Number of children which will not be painted.
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*/
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guint
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shell_generic_container_get_n_skip_paint (ShellGenericContainer *self)
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{
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return g_hash_table_size (self->priv->skip_paint);
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}
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/**
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* shell_generic_container_get_skip_paint:
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* @self: A #ShellGenericContainer
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* @child: Child #ClutterActor
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*
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* Gets whether or not @actor is skipped when painting.
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*
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* Return value: %TRUE or %FALSE
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*/
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gboolean
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shell_generic_container_get_skip_paint (ShellGenericContainer *self,
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ClutterActor *child)
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{
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return g_hash_table_lookup (self->priv->skip_paint, child) != NULL;
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}
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/**
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* shell_generic_container_set_skip_paint:
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* @self: A #ShellGenericContainer
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* @child: Child #ClutterActor
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* @skip: %TRUE if we should skip painting
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*
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* Set whether or not we should skip painting @actor. Workaround for
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* lack of gjs ability to override _paint vfunc.
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*/
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void
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shell_generic_container_set_skip_paint (ShellGenericContainer *self,
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ClutterActor *child,
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gboolean skip)
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{
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gboolean currently_skipping;
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currently_skipping = g_hash_table_lookup (self->priv->skip_paint, child) != NULL;
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if ((!!skip) == currently_skipping)
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return;
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if (!skip)
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g_hash_table_remove (self->priv->skip_paint, child);
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else
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g_hash_table_insert (self->priv->skip_paint, child, child);
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clutter_actor_queue_redraw (CLUTTER_ACTOR (self));
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}
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static gboolean
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shell_generic_container_get_paint_volume (ClutterActor *self,
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ClutterPaintVolume *volume)
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{
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ClutterActorBox paint_box, alloc_box;
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StThemeNode *theme_node;
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ClutterVertex origin;
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/* Setting the paint volume does not make sense when we don't have any allocation */
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if (!clutter_actor_has_allocation (self))
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return FALSE;
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theme_node = st_widget_get_theme_node (ST_WIDGET (self));
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clutter_actor_get_allocation_box (self, &alloc_box);
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st_theme_node_get_paint_box (theme_node, &alloc_box, &paint_box);
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origin.x = paint_box.x1 - alloc_box.x1;
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origin.y = paint_box.y1 - alloc_box.y1;
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origin.z = 0.0f;
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clutter_paint_volume_set_origin (volume, &origin);
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clutter_paint_volume_set_width (volume, paint_box.x2 - paint_box.x1);
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clutter_paint_volume_set_height (volume, paint_box.y2 - paint_box.y1);
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if (!clutter_actor_get_clip_to_allocation (self))
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{
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ClutterActor *child;
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/* Based on ClutterGroup/ClutterBox; include the children's
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* paint volumes, since they may paint outside our allocation.
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*/
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for (child = clutter_actor_get_first_child (self);
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child != NULL;
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child = clutter_actor_get_next_sibling (child))
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{
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const ClutterPaintVolume *child_volume;
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if (!clutter_actor_is_visible (child))
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continue;
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if (shell_generic_container_get_skip_paint (SHELL_GENERIC_CONTAINER (self), child))
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continue;
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child_volume = clutter_actor_get_transformed_paint_volume (child, self);
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if (!child_volume)
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return FALSE;
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clutter_paint_volume_union (volume, child_volume);
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}
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}
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return TRUE;
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}
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static void
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shell_generic_container_finalize (GObject *object)
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{
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ShellGenericContainer *self = (ShellGenericContainer*) object;
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g_hash_table_destroy (self->priv->skip_paint);
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G_OBJECT_CLASS (shell_generic_container_parent_class)->finalize (object);
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}
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static void
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shell_generic_container_class_init (ShellGenericContainerClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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StWidgetClass *widget_class = ST_WIDGET_CLASS (klass);
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gobject_class->finalize = shell_generic_container_finalize;
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actor_class->get_preferred_width = shell_generic_container_get_preferred_width;
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actor_class->get_preferred_height = shell_generic_container_get_preferred_height;
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actor_class->allocate = shell_generic_container_allocate;
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actor_class->paint = shell_generic_container_paint;
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actor_class->pick = shell_generic_container_pick;
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actor_class->get_paint_volume = shell_generic_container_get_paint_volume;
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widget_class->get_focus_chain = shell_generic_container_get_focus_chain;
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/**
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* ShellGenericContainer::get-preferred-width:
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* @self: the #ShellGenericContainer
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* @for_height: as in clutter_actor_get_preferred_width()
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* @alloc: a #ShellGenericContainerAllocation to be filled in
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*
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* Emitted when clutter_actor_get_preferred_width() is called
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* on @self. You should fill in the fields of @alloc with the
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* your minimum and natural widths. #ShellGenericContainer
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* will deal with taking its borders and padding into account
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* for you.
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*
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* @alloc's fields are initialized to 0, so unless you have a fixed
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* width specified (via #ClutterActor:width or CSS), you must
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* connect to this signal and fill in the values.
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*/
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shell_generic_container_signals[GET_PREFERRED_WIDTH] =
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g_signal_new ("get-preferred-width",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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||||||
0,
|
|
||||||
NULL, NULL, NULL,
|
|
||||||
G_TYPE_NONE, 2, G_TYPE_FLOAT, SHELL_TYPE_GENERIC_CONTAINER_ALLOCATION);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* ShellGenericContainer::get-preferred-height:
|
|
||||||
* @self: the #ShellGenericContainer
|
|
||||||
* @for_width: as in clutter_actor_get_preferred_height()
|
|
||||||
* @alloc: a #ShellGenericContainerAllocation to be filled in
|
|
||||||
*
|
|
||||||
* Emitted when clutter_actor_get_preferred_height() is called
|
|
||||||
* on @self. You should fill in the fields of @alloc with the
|
|
||||||
* your minimum and natural heights. #ShellGenericContainer
|
|
||||||
* will deal with taking its borders and padding into account
|
|
||||||
* for you.
|
|
||||||
*
|
|
||||||
* @alloc's fields are initialized to 0, so unless you have a fixed
|
|
||||||
* height specified (via #ClutterActor:height or CSS), you must
|
|
||||||
* connect to this signal and fill in the values.
|
|
||||||
*/
|
|
||||||
shell_generic_container_signals[GET_PREFERRED_HEIGHT] =
|
|
||||||
g_signal_new ("get-preferred-height",
|
|
||||||
G_TYPE_FROM_CLASS (klass),
|
|
||||||
G_SIGNAL_RUN_LAST,
|
|
||||||
0,
|
|
||||||
NULL, NULL, NULL,
|
|
||||||
G_TYPE_NONE, 2, G_TYPE_FLOAT, SHELL_TYPE_GENERIC_CONTAINER_ALLOCATION);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* ShellGenericContainer::allocate:
|
|
||||||
* @self: the #ShellGenericContainer
|
|
||||||
* @box: @self's content box
|
|
||||||
* @flags: the allocation flags.
|
|
||||||
*
|
|
||||||
* Emitted when @self is allocated, after chaining up to the parent
|
|
||||||
* allocate method.
|
|
||||||
*
|
|
||||||
* Note that @box is @self's content box (qv
|
|
||||||
* st_theme_node_get_content_box()), NOT its allocation.
|
|
||||||
*/
|
|
||||||
shell_generic_container_signals[ALLOCATE] =
|
|
||||||
g_signal_new ("allocate",
|
|
||||||
G_TYPE_FROM_CLASS (klass),
|
|
||||||
G_SIGNAL_RUN_LAST,
|
|
||||||
0,
|
|
||||||
NULL, NULL, NULL,
|
|
||||||
G_TYPE_NONE, 2, CLUTTER_TYPE_ACTOR_BOX, CLUTTER_TYPE_ALLOCATION_FLAGS);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
shell_generic_container_actor_removed (ClutterContainer *container,
|
|
||||||
ClutterActor *actor)
|
|
||||||
{
|
|
||||||
ShellGenericContainerPrivate *priv = SHELL_GENERIC_CONTAINER (container)->priv;
|
|
||||||
|
|
||||||
g_hash_table_remove (priv->skip_paint, actor);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
shell_generic_container_iface_init (ClutterContainerIface *iface)
|
|
||||||
{
|
|
||||||
iface->actor_removed = shell_generic_container_actor_removed;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
shell_generic_container_init (ShellGenericContainer *area)
|
|
||||||
{
|
|
||||||
area->priv = shell_generic_container_get_instance_private (area);
|
|
||||||
area->priv->skip_paint = g_hash_table_new (NULL, NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
GType
|
|
||||||
shell_generic_container_allocation_get_type (void)
|
|
||||||
{
|
|
||||||
static GType gtype = G_TYPE_INVALID;
|
|
||||||
if (gtype == G_TYPE_INVALID)
|
|
||||||
{
|
|
||||||
gtype = g_boxed_type_register_static ("ShellGenericContainerAllocation",
|
|
||||||
(GBoxedCopyFunc)shell_generic_container_allocation_ref,
|
|
||||||
(GBoxedFreeFunc)shell_generic_container_allocation_unref);
|
|
||||||
}
|
|
||||||
return gtype;
|
|
||||||
}
|
|
||||||
@ -1,30 +0,0 @@
|
|||||||
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
||||||
#ifndef __SHELL_GENERIC_CONTAINER_H__
|
|
||||||
#define __SHELL_GENERIC_CONTAINER_H__
|
|
||||||
|
|
||||||
#include "st.h"
|
|
||||||
|
|
||||||
#define SHELL_TYPE_GENERIC_CONTAINER (shell_generic_container_get_type ())
|
|
||||||
G_DECLARE_FINAL_TYPE (ShellGenericContainer, shell_generic_container,
|
|
||||||
SHELL, GENERIC_CONTAINER, StWidget)
|
|
||||||
|
|
||||||
typedef struct {
|
|
||||||
float min_size;
|
|
||||||
float natural_size;
|
|
||||||
|
|
||||||
/* <private> */
|
|
||||||
guint _refcount;
|
|
||||||
} ShellGenericContainerAllocation;
|
|
||||||
|
|
||||||
#define SHELL_TYPE_GENERIC_CONTAINER_ALLOCATION (shell_generic_container_allocation_get_type ())
|
|
||||||
GType shell_generic_container_allocation_get_type (void);
|
|
||||||
|
|
||||||
guint shell_generic_container_get_n_skip_paint (ShellGenericContainer *self);
|
|
||||||
|
|
||||||
gboolean shell_generic_container_get_skip_paint (ShellGenericContainer *self,
|
|
||||||
ClutterActor *child);
|
|
||||||
void shell_generic_container_set_skip_paint (ShellGenericContainer *self,
|
|
||||||
ClutterActor *child,
|
|
||||||
gboolean skip);
|
|
||||||
|
|
||||||
#endif /* __SHELL_GENERIC_CONTAINER_H__ */
|
|
||||||
Loading…
Reference in New Issue
Block a user