forked from AuroraMiddleware/gtk
1499 lines
39 KiB
C
1499 lines
39 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gdk/gdk.h>
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#include <stdlib.h>
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#include <gobject/gvaluecollector.h>
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#include "gtkstylecontext.h"
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#include "gtktypebuiltins.h"
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#include "gtkthemingengine.h"
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#include "gtkintl.h"
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#include "gtkwidget.h"
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#include "gtkprivate.h"
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#include "gtkalias.h"
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typedef struct GtkStyleContextPrivate GtkStyleContextPrivate;
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typedef struct GtkStyleProviderData GtkStyleProviderData;
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typedef struct GtkStyleRegion GtkStyleRegion;
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typedef struct GtkChildClass GtkChildClass;
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typedef struct PropertyValue PropertyValue;
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struct GtkChildClass
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{
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GQuark class_quark;
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GtkChildClassFlags flags;
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};
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struct GtkStyleProviderData
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{
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GtkStyleProvider *provider;
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guint priority;
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};
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struct PropertyValue
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{
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GType widget_type;
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GParamSpec *pspec;
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GValue value;
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};
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struct GtkStyleRegion
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{
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GArray *style_classes;
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GArray *child_style_classes;
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};
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struct GtkStyleContextPrivate
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{
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GdkScreen *screen;
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GList *providers;
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GList *providers_last;
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GSList *icon_factories;
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GtkStyleSet *store;
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GtkWidgetPath *widget_path;
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GArray *property_cache;
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GtkStateFlags state_flags;
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GSList *regions;
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GtkThemingEngine *theming_engine;
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};
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enum {
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PROP_0,
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PROP_SCREEN
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};
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static void gtk_style_context_finalize (GObject *object);
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static void gtk_style_context_impl_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_style_context_impl_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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G_DEFINE_TYPE (GtkStyleContext, gtk_style_context, G_TYPE_OBJECT)
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static void
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gtk_style_context_class_init (GtkStyleContextClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_style_context_finalize;
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object_class->set_property = gtk_style_context_impl_set_property;
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object_class->get_property = gtk_style_context_impl_get_property;
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g_object_class_install_property (object_class,
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PROP_SCREEN,
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g_param_spec_object ("screen",
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P_("Screen"),
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P_("The associated GdkScreen"),
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GDK_TYPE_SCREEN,
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GTK_PARAM_READWRITE));
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g_type_class_add_private (object_class, sizeof (GtkStyleContextPrivate));
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}
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static GtkStyleRegion *
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style_region_new (void)
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{
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GtkStyleRegion *region;
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region = g_slice_new0 (GtkStyleRegion);
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region->style_classes = g_array_new (FALSE, FALSE, sizeof (GQuark));
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region->child_style_classes = g_array_new (FALSE, FALSE, sizeof (GtkChildClass));
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return region;
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}
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static void
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style_region_free (GtkStyleRegion *region)
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{
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g_array_free (region->style_classes, TRUE);
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g_array_free (region->child_style_classes, TRUE);
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g_slice_free (GtkStyleRegion, region);
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}
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static GtkStyleRegion *
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style_region_copy (const GtkStyleRegion *region)
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{
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GtkStyleRegion *copy;
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copy = style_region_new ();
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g_array_insert_vals (copy->style_classes, 0,
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region->style_classes->data,
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region->style_classes->len);
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g_array_insert_vals (copy->child_style_classes, 0,
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region->child_style_classes->data,
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region->child_style_classes->len);
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return copy;
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}
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static void
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gtk_style_context_init (GtkStyleContext *style_context)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleRegion *region;
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priv = style_context->priv = G_TYPE_INSTANCE_GET_PRIVATE (style_context,
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GTK_TYPE_STYLE_CONTEXT,
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GtkStyleContextPrivate);
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priv->store = gtk_style_set_new ();
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priv->theming_engine = (GtkThemingEngine *) gtk_theming_engine_load (NULL);
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/* Create default region */
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region = style_region_new ();
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priv->regions = g_slist_prepend (priv->regions, region);
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}
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static GtkStyleProviderData *
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style_provider_data_new (GtkStyleProvider *provider,
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guint priority)
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{
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GtkStyleProviderData *data;
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data = g_slice_new (GtkStyleProviderData);
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data->provider = g_object_ref (provider);
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data->priority = priority;
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return data;
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}
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static void
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style_provider_data_free (GtkStyleProviderData *data)
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{
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g_object_unref (data->provider);
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g_slice_free (GtkStyleProviderData, data);
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}
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static void
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clear_property_cache (GtkStyleContext *context)
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{
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GtkStyleContextPrivate *priv;
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priv = context->priv;
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if (priv->property_cache)
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{
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guint i;
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for (i = 0; i < priv->property_cache->len; i++)
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{
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PropertyValue *node = &g_array_index (priv->property_cache, PropertyValue, i);
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g_param_spec_unref (node->pspec);
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g_value_unset (&node->value);
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}
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g_array_free (priv->property_cache, TRUE);
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priv->property_cache = NULL;
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}
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}
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static void
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gtk_style_context_finalize (GObject *object)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleContext *style_context;
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style_context = GTK_STYLE_CONTEXT (object);
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priv = style_context->priv;
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g_list_foreach (priv->providers, (GFunc) style_provider_data_free, NULL);
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g_list_free (priv->providers);
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clear_property_cache (GTK_STYLE_CONTEXT (object));
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g_slist_foreach (priv->regions, (GFunc) style_region_free, NULL);
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g_slist_free (priv->regions);
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g_slist_foreach (priv->icon_factories, (GFunc) g_object_unref, NULL);
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g_slist_free (priv->icon_factories);
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G_OBJECT_CLASS (gtk_style_context_parent_class)->finalize (object);
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}
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static void
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gtk_style_context_impl_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleContext *style_context;
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style_context = GTK_STYLE_CONTEXT (object);
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priv = style_context->priv;
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switch (prop_id)
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{
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case PROP_SCREEN:
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gtk_style_context_set_screen (style_context,
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g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_style_context_impl_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleContext *style_context;
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style_context = GTK_STYLE_CONTEXT (object);
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priv = style_context->priv;
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switch (prop_id)
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{
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case PROP_SCREEN:
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g_value_set_object (value, priv->screen);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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rebuild_properties (GtkStyleContext *context)
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{
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GtkStyleContextPrivate *priv;
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GList *list;
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priv = context->priv;
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list = priv->providers;
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gtk_style_set_clear (priv->store);
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while (list)
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{
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GtkStyleProviderData *data;
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GtkStyleSet *provider_style;
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data = list->data;
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list = list->next;
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provider_style = gtk_style_provider_get_style (data->provider,
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priv->widget_path);
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if (provider_style)
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{
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gtk_style_set_merge (priv->store, provider_style, TRUE);
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g_object_unref (provider_style);
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}
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}
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gtk_style_set_get (priv->store, GTK_STATE_NORMAL,
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"engine", &priv->theming_engine,
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NULL);
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}
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static void
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rebuild_icon_factories (GtkStyleContext *context)
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{
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GtkStyleContextPrivate *priv;
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GList *providers;
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priv = context->priv;
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g_slist_foreach (priv->icon_factories, (GFunc) g_object_unref, NULL);
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g_slist_free (priv->icon_factories);
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priv->icon_factories = NULL;
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for (providers = priv->providers_last; providers; providers = providers->prev)
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{
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GtkIconFactory *factory;
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GtkStyleProviderData *data;
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data = providers->data;
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factory = gtk_style_provider_get_icon_factory (data->provider,
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priv->widget_path);
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if (factory)
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priv->icon_factories = g_slist_prepend (priv->icon_factories, factory);
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}
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}
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void
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gtk_style_context_add_provider (GtkStyleContext *context,
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GtkStyleProvider *provider,
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guint priority)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleProviderData *new_data;
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gboolean added = FALSE;
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GList *list;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
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priv = context->priv;
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new_data = style_provider_data_new (provider, priority);
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list = priv->providers;
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while (list)
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{
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GtkStyleProviderData *data;
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data = list->data;
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/* Provider was already attached to the style
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* context, remove in order to add the new data
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*/
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if (data->provider == provider)
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{
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GList *link;
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link = list;
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list = list->next;
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/* Remove and free link */
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priv->providers = g_list_remove_link (priv->providers, link);
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style_provider_data_free (link->data);
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g_list_free_1 (link);
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continue;
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}
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if (!added &&
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data->priority > priority)
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{
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priv->providers = g_list_insert_before (priv->providers, list, new_data);
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added = TRUE;
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}
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list = list->next;
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}
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if (!added)
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priv->providers = g_list_append (priv->providers, new_data);
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priv->providers_last = g_list_last (priv->providers);
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if (priv->widget_path)
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{
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rebuild_properties (context);
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clear_property_cache (context);
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rebuild_icon_factories (context);
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}
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}
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void
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gtk_style_context_remove_provider (GtkStyleContext *context,
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GtkStyleProvider *provider)
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{
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GtkStyleContextPrivate *priv;
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gboolean removed = FALSE;
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GList *list;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
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priv = context->priv;
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list = priv->providers;
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while (list)
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{
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GtkStyleProviderData *data;
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data = list->data;
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if (data->provider == provider)
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{
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priv->providers = g_list_remove_link (priv->providers, list);
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style_provider_data_free (list->data);
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g_list_free_1 (list);
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removed = TRUE;
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break;
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}
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list = list->next;
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}
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if (removed)
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{
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priv->providers_last = g_list_last (priv->providers);
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if (priv->widget_path)
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{
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rebuild_properties (context);
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clear_property_cache (context);
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rebuild_icon_factories (context);
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}
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}
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}
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void
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gtk_style_context_get_property (GtkStyleContext *context,
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const gchar *property,
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GtkStateType state,
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GValue *value)
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{
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GtkStyleContextPrivate *priv;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (property != NULL);
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g_return_if_fail (state < GTK_STATE_LAST);
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g_return_if_fail (value != NULL);
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priv = context->priv;
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gtk_style_set_get_property (priv->store, property, state, value);
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}
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void
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gtk_style_context_get_valist (GtkStyleContext *context,
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GtkStateType state,
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va_list args)
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{
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GtkStyleContextPrivate *priv;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (state < GTK_STATE_LAST);
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priv = context->priv;
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gtk_style_set_get_valist (priv->store, state, args);
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}
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void
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gtk_style_context_get (GtkStyleContext *context,
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GtkStateType state,
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...)
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{
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GtkStyleContextPrivate *priv;
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va_list args;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (state < GTK_STATE_LAST);
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priv = context->priv;
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va_start (args, state);
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gtk_style_set_get_valist (priv->store, state, args);
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va_end (args);
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}
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void
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gtk_style_context_set_state (GtkStyleContext *context,
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GtkStateFlags flags)
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{
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GtkStyleContextPrivate *priv;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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priv = context->priv;
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priv->state_flags = flags;
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}
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GtkStateFlags
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gtk_style_context_get_state (GtkStyleContext *context)
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{
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GtkStyleContextPrivate *priv;
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g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), 0);
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priv = context->priv;
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return priv->state_flags;
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}
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gboolean
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gtk_style_context_is_state_set (GtkStyleContext *context,
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GtkStateType state)
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{
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GtkStyleContextPrivate *priv;
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g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
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priv = context->priv;
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switch (state)
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{
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case GTK_STATE_NORMAL:
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return priv->state_flags == 0;
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case GTK_STATE_ACTIVE:
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return priv->state_flags & GTK_STATE_FLAG_ACTIVE;
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case GTK_STATE_PRELIGHT:
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return priv->state_flags & GTK_STATE_FLAG_PRELIGHT;
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case GTK_STATE_SELECTED:
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return priv->state_flags & GTK_STATE_FLAG_SELECTED;
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case GTK_STATE_INSENSITIVE:
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return priv->state_flags & GTK_STATE_FLAG_INSENSITIVE;
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case GTK_STATE_INCONSISTENT:
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return priv->state_flags & GTK_STATE_FLAG_INCONSISTENT;
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case GTK_STATE_FOCUSED:
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return priv->state_flags & GTK_STATE_FLAG_FOCUSED;
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default:
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return FALSE;
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}
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}
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|
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void
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gtk_style_context_set_path (GtkStyleContext *context,
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GtkWidgetPath *path)
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{
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GtkStyleContextPrivate *priv;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (path != NULL);
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priv = context->priv;
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|
|
if (priv->widget_path)
|
|
{
|
|
gtk_widget_path_free (priv->widget_path);
|
|
priv->widget_path = NULL;
|
|
}
|
|
|
|
if (path)
|
|
{
|
|
priv->widget_path = gtk_widget_path_copy (path);
|
|
rebuild_properties (context);
|
|
clear_property_cache (context);
|
|
rebuild_icon_factories (context);
|
|
}
|
|
}
|
|
|
|
G_CONST_RETURN GtkWidgetPath *
|
|
gtk_style_context_get_path (GtkStyleContext *context)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
|
|
priv = context->priv;
|
|
return priv->widget_path;
|
|
}
|
|
|
|
void
|
|
gtk_style_context_save (GtkStyleContext *context)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
|
|
region = style_region_copy (priv->regions->data);
|
|
priv->regions = g_slist_prepend (priv->regions, region);
|
|
}
|
|
|
|
void
|
|
gtk_style_context_restore (GtkStyleContext *context)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
|
|
priv = context->priv;
|
|
|
|
if (priv->regions)
|
|
{
|
|
region = priv->regions->data;
|
|
priv->regions = g_slist_remove (priv->regions, region);
|
|
style_region_free (region);
|
|
}
|
|
|
|
if (!priv->regions)
|
|
{
|
|
g_warning ("Unpaired gtk_style_context_restore() call");
|
|
|
|
/* Create default region */
|
|
region = style_region_new ();
|
|
priv->regions = g_slist_prepend (priv->regions, region);
|
|
}
|
|
|
|
if (priv->widget_path)
|
|
{
|
|
GtkStyleRegion *region;
|
|
guint i;
|
|
|
|
/* Update widget path regions */
|
|
gtk_widget_path_iter_clear_regions (priv->widget_path, 0);
|
|
region = priv->regions->data;
|
|
|
|
for (i = 0; i < region->child_style_classes->len; i++)
|
|
{
|
|
GtkChildClass *child_class;
|
|
|
|
child_class = &g_array_index (region->child_style_classes, GtkChildClass, i);
|
|
gtk_widget_path_iter_add_region (priv->widget_path, 0,
|
|
g_quark_to_string (child_class->class_quark),
|
|
child_class->flags);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
style_class_find (GArray *array,
|
|
GQuark class_quark,
|
|
guint *position)
|
|
{
|
|
gint min, max, mid;
|
|
gboolean found = FALSE;
|
|
|
|
if (position)
|
|
*position = 0;
|
|
|
|
if (!array || array->len == 0)
|
|
return FALSE;
|
|
|
|
min = 0;
|
|
max = array->len - 1;
|
|
|
|
do
|
|
{
|
|
GQuark item;
|
|
|
|
mid = min + max / 2;
|
|
item = g_array_index (array, GQuark, mid);
|
|
|
|
if (class_quark == item)
|
|
found = TRUE;
|
|
else if (class_quark > item)
|
|
min = mid = mid + 1;
|
|
else
|
|
max = mid = mid - 1;
|
|
}
|
|
while (!found && min <= max);
|
|
|
|
if (mid < 0)
|
|
mid = 0;
|
|
|
|
if (position)
|
|
*position = mid;
|
|
|
|
return found;
|
|
}
|
|
|
|
static gboolean
|
|
child_style_class_find (GArray *array,
|
|
GQuark class_quark,
|
|
guint *position)
|
|
{
|
|
gint min, max, mid;
|
|
gboolean found = FALSE;
|
|
|
|
if (position)
|
|
*position = 0;
|
|
|
|
if (!array || array->len == 0)
|
|
return FALSE;
|
|
|
|
min = 0;
|
|
max = array->len - 1;
|
|
|
|
do
|
|
{
|
|
GtkChildClass *child_class;
|
|
|
|
mid = min + max / 2;
|
|
child_class = &g_array_index (array, GtkChildClass, mid);
|
|
|
|
if (child_class->class_quark == class_quark)
|
|
found = TRUE;
|
|
else if (child_class->class_quark > class_quark)
|
|
min = mid = mid + 1;
|
|
else
|
|
max = mid = mid - 1;
|
|
}
|
|
while (!found && min <= max);
|
|
|
|
if (mid < 0)
|
|
mid = 0;
|
|
|
|
if (position)
|
|
*position = mid;
|
|
|
|
return found;
|
|
}
|
|
|
|
void
|
|
gtk_style_context_set_class (GtkStyleContext *context,
|
|
const gchar *class_name)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
guint position;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (class_name != NULL);
|
|
|
|
priv = context->priv;
|
|
class_quark = g_quark_from_string (class_name);
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (!style_class_find (region->style_classes, class_quark, &position))
|
|
g_array_insert_val (region->style_classes, position, class_quark);
|
|
}
|
|
|
|
void
|
|
gtk_style_context_unset_class (GtkStyleContext *context,
|
|
const gchar *class_name)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
guint position;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (class_name != NULL);
|
|
|
|
class_quark = g_quark_try_string (class_name);
|
|
|
|
if (!class_quark)
|
|
return;
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (style_class_find (region->style_classes, class_quark, &position))
|
|
g_array_remove_index (region->style_classes, position);
|
|
}
|
|
|
|
gboolean
|
|
gtk_style_context_has_class (GtkStyleContext *context,
|
|
const gchar *class_name)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
|
|
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
|
|
g_return_val_if_fail (class_name != NULL, FALSE);
|
|
|
|
class_quark = g_quark_try_string (class_name);
|
|
|
|
if (!class_quark)
|
|
return FALSE;
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (style_class_find (region->style_classes, class_quark, NULL))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
GList *
|
|
gtk_style_context_list_child_classes (GtkStyleContext *context)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GList *classes = NULL;
|
|
guint i;
|
|
|
|
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
for (i = 0; i < region->child_style_classes->len; i++)
|
|
{
|
|
GtkChildClass *child_class;
|
|
const gchar *class_name;
|
|
|
|
child_class = &g_array_index (region->child_style_classes,
|
|
GtkChildClass,
|
|
i);
|
|
|
|
class_name = g_quark_to_string (child_class->class_quark);
|
|
classes = g_list_prepend (classes, (gchar *) class_name);
|
|
}
|
|
|
|
return classes;
|
|
}
|
|
|
|
void
|
|
gtk_style_context_set_child_class (GtkStyleContext *context,
|
|
const gchar *class_name,
|
|
GtkChildClassFlags flags)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
guint position;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (class_name != NULL);
|
|
|
|
priv = context->priv;
|
|
class_quark = g_quark_from_string (class_name);
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (!child_style_class_find (region->child_style_classes, class_quark, &position))
|
|
{
|
|
GtkChildClass child_class;
|
|
|
|
child_class.class_quark = class_quark;
|
|
child_class.flags = flags;
|
|
|
|
g_array_insert_val (region->child_style_classes, position, child_class);
|
|
|
|
if (priv->widget_path)
|
|
{
|
|
gtk_widget_path_iter_add_region (priv->widget_path, 0, class_name, flags);
|
|
rebuild_properties (context);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_style_context_unset_child_class (GtkStyleContext *context,
|
|
const gchar *class_name)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
guint position;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (class_name != NULL);
|
|
|
|
class_quark = g_quark_try_string (class_name);
|
|
|
|
if (!class_quark)
|
|
return;
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (child_style_class_find (region->child_style_classes, class_quark, &position))
|
|
{
|
|
g_array_remove_index (region->child_style_classes, position);
|
|
|
|
if (priv->widget_path)
|
|
{
|
|
gtk_widget_path_iter_remove_region (priv->widget_path, 0, class_name);
|
|
rebuild_properties (context);
|
|
}
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gtk_style_context_has_child_class (GtkStyleContext *context,
|
|
const gchar *class_name,
|
|
GtkChildClassFlags *flags_return)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkStyleRegion *region;
|
|
GQuark class_quark;
|
|
guint position;
|
|
|
|
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
|
|
g_return_val_if_fail (class_name != NULL, FALSE);
|
|
|
|
if (flags_return)
|
|
*flags_return = 0;
|
|
|
|
class_quark = g_quark_try_string (class_name);
|
|
|
|
if (!class_quark)
|
|
return FALSE;
|
|
|
|
priv = context->priv;
|
|
|
|
g_assert (priv->regions != NULL);
|
|
region = priv->regions->data;
|
|
|
|
if (child_style_class_find (region->child_style_classes, class_quark, &position))
|
|
{
|
|
if (flags_return)
|
|
{
|
|
GtkChildClass *child_class;
|
|
|
|
child_class = &g_array_index (region->child_style_classes,
|
|
GtkChildClass, position);
|
|
|
|
*flags_return = child_class->flags;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
style_property_values_cmp (gconstpointer bsearch_node1,
|
|
gconstpointer bsearch_node2)
|
|
{
|
|
const PropertyValue *val1 = bsearch_node1;
|
|
const PropertyValue *val2 = bsearch_node2;
|
|
|
|
if (val1->widget_type == val2->widget_type)
|
|
return val1->pspec < val2->pspec ? -1 : val1->pspec == val2->pspec ? 0 : 1;
|
|
else
|
|
return val1->widget_type < val2->widget_type ? -1 : 1;
|
|
}
|
|
|
|
const GValue *
|
|
_gtk_style_context_peek_style_property (GtkStyleContext *context,
|
|
GType widget_type,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
PropertyValue *pcache, key = { 0 };
|
|
GList *list;
|
|
guint i;
|
|
|
|
priv = context->priv;
|
|
|
|
key.widget_type = widget_type;
|
|
key.pspec = pspec;
|
|
|
|
/* need value cache array */
|
|
if (!priv->property_cache)
|
|
priv->property_cache = g_array_new (FALSE, FALSE, sizeof (PropertyValue));
|
|
else
|
|
{
|
|
pcache = bsearch (&key,
|
|
priv->property_cache->data, priv->property_cache->len,
|
|
sizeof (PropertyValue), style_property_values_cmp);
|
|
if (pcache)
|
|
return &pcache->value;
|
|
}
|
|
|
|
i = 0;
|
|
while (i < priv->property_cache->len &&
|
|
style_property_values_cmp (&key, &g_array_index (priv->property_cache, PropertyValue, i)) >= 0)
|
|
i++;
|
|
|
|
g_array_insert_val (priv->property_cache, i, key);
|
|
pcache = &g_array_index (priv->property_cache, PropertyValue, i);
|
|
|
|
/* cache miss, initialize value type, then set contents */
|
|
g_param_spec_ref (pcache->pspec);
|
|
g_value_init (&pcache->value, G_PARAM_SPEC_VALUE_TYPE (pspec));
|
|
|
|
if (priv->widget_path)
|
|
{
|
|
for (list = priv->providers_last; list; list = list->prev)
|
|
{
|
|
GtkStyleProviderData *data;
|
|
|
|
data = list->data;
|
|
|
|
if (gtk_style_provider_get_style_property (data->provider, priv->widget_path,
|
|
pspec->name, &pcache->value))
|
|
return &pcache->value;
|
|
}
|
|
}
|
|
|
|
/* not supplied by any provider, revert to default */
|
|
g_param_value_set_default (pspec, &pcache->value);
|
|
|
|
return &pcache->value;
|
|
}
|
|
|
|
void
|
|
gtk_style_context_get_style_property (GtkStyleContext *context,
|
|
const gchar *property_name,
|
|
GValue *value)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkWidgetClass *widget_class;
|
|
GParamSpec *pspec;
|
|
const GValue *peek_value;
|
|
GType widget_type;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (property_name != NULL);
|
|
g_return_if_fail (value != NULL);
|
|
|
|
priv = context->priv;
|
|
|
|
if (!priv->widget_path)
|
|
return;
|
|
|
|
widget_type = gtk_widget_path_get_widget_type (priv->widget_path);
|
|
|
|
widget_class = g_type_class_ref (widget_type);
|
|
pspec = gtk_widget_class_find_style_property (widget_class, property_name);
|
|
g_type_class_unref (widget_class);
|
|
|
|
if (!pspec)
|
|
{
|
|
g_warning ("%s: widget class `%s' has no style property named `%s'",
|
|
G_STRLOC,
|
|
g_type_name (widget_type),
|
|
property_name);
|
|
return;
|
|
}
|
|
|
|
peek_value = _gtk_style_context_peek_style_property (context,
|
|
widget_type,
|
|
pspec);
|
|
|
|
if (G_VALUE_TYPE (value) == G_VALUE_TYPE (peek_value))
|
|
g_value_copy (peek_value, value);
|
|
else if (g_value_type_transformable (G_VALUE_TYPE (peek_value), G_VALUE_TYPE (value)))
|
|
g_value_transform (peek_value, value);
|
|
else
|
|
g_warning ("can't retrieve style property `%s' of type `%s' as value of type `%s'",
|
|
pspec->name,
|
|
G_VALUE_TYPE_NAME (peek_value),
|
|
G_VALUE_TYPE_NAME (value));
|
|
}
|
|
|
|
void
|
|
gtk_style_context_get_style_valist (GtkStyleContext *context,
|
|
va_list args)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
const gchar *prop_name;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
|
|
prop_name = va_arg (args, const gchar *);
|
|
priv = context->priv;
|
|
|
|
if (!priv->widget_path)
|
|
return;
|
|
|
|
while (prop_name)
|
|
{
|
|
GtkWidgetClass *widget_class;
|
|
GParamSpec *pspec;
|
|
const GValue *peek_value;
|
|
GType widget_type;
|
|
gchar *error;
|
|
|
|
widget_type = gtk_widget_path_get_widget_type (priv->widget_path);
|
|
|
|
widget_class = g_type_class_ref (widget_type);
|
|
pspec = gtk_widget_class_find_style_property (widget_class, prop_name);
|
|
g_type_class_unref (widget_class);
|
|
|
|
if (!pspec)
|
|
{
|
|
g_warning ("%s: widget class `%s' has no style property named `%s'",
|
|
G_STRLOC,
|
|
g_type_name (widget_type),
|
|
prop_name);
|
|
continue;
|
|
}
|
|
|
|
peek_value = _gtk_style_context_peek_style_property (context,
|
|
widget_type,
|
|
pspec);
|
|
|
|
G_VALUE_LCOPY (peek_value, args, 0, &error);
|
|
|
|
if (error)
|
|
{
|
|
g_warning ("can't retrieve style property `%s' of type `%s': %s",
|
|
pspec->name,
|
|
G_VALUE_TYPE_NAME (peek_value),
|
|
error);
|
|
g_free (error);
|
|
}
|
|
|
|
prop_name = va_arg (args, const gchar *);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_style_context_get_style (GtkStyleContext *context,
|
|
...)
|
|
{
|
|
va_list args;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
|
|
va_start (args, context);
|
|
gtk_style_context_get_style_valist (context, args);
|
|
va_end (args);
|
|
}
|
|
|
|
|
|
GtkIconSet *
|
|
gtk_style_context_lookup_icon_set (GtkStyleContext *context,
|
|
const gchar *stock_id)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GSList *list;
|
|
|
|
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
|
|
g_return_val_if_fail (stock_id != NULL, NULL);
|
|
|
|
priv = context->priv;
|
|
|
|
for (list = priv->icon_factories; list; list = list->next)
|
|
{
|
|
GtkIconFactory *factory;
|
|
GtkIconSet *icon_set;
|
|
|
|
factory = list->data;
|
|
icon_set = gtk_icon_factory_lookup (factory, stock_id);
|
|
|
|
if (icon_set)
|
|
return icon_set;
|
|
}
|
|
|
|
return gtk_icon_factory_lookup_default (stock_id);
|
|
}
|
|
|
|
void
|
|
gtk_style_context_set_screen (GtkStyleContext *context,
|
|
GdkScreen *screen)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
|
|
priv = context->priv;
|
|
priv->screen = screen;
|
|
|
|
g_object_notify (G_OBJECT (context), "screen");
|
|
}
|
|
|
|
GdkScreen *
|
|
gtk_style_context_get_screen (GtkStyleContext *context)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
|
|
|
|
priv = context->priv;
|
|
return priv->screen;
|
|
}
|
|
|
|
/* Paint methods */
|
|
void
|
|
gtk_render_check (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_check (priv->theming_engine, cr,
|
|
x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_option (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_option (priv->theming_engine, cr,
|
|
x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_arrow (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble angle,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble size)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_arrow (priv->theming_engine, cr,
|
|
angle, x, y, size);
|
|
}
|
|
|
|
void
|
|
gtk_render_background (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_background (priv->theming_engine, cr, x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_frame (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_frame (priv->theming_engine, cr, x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_expander (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_expander (priv->theming_engine, cr, x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_focus (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_focus (priv->theming_engine, cr, x, y, width, height);
|
|
}
|
|
|
|
void
|
|
gtk_render_layout (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
PangoLayout *layout)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_layout (priv->theming_engine, cr, x, y, layout);
|
|
}
|
|
|
|
void
|
|
gtk_render_line (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x0,
|
|
gdouble y0,
|
|
gdouble x1,
|
|
gdouble y1)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_line (priv->theming_engine, cr, x0, y0, x1, y1);
|
|
}
|
|
|
|
void
|
|
gtk_render_slider (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height,
|
|
GtkOrientation orientation)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_slider (priv->theming_engine, cr, x, y, width, height, orientation);
|
|
}
|
|
|
|
void
|
|
gtk_render_frame_gap (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height,
|
|
GtkPositionType gap_side,
|
|
gdouble xy0_gap,
|
|
gdouble xy1_gap)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_frame_gap (priv->theming_engine, cr,
|
|
x, y, width, height, gap_side,
|
|
xy0_gap, xy1_gap);
|
|
}
|
|
|
|
void
|
|
gtk_render_extension (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height,
|
|
GtkPositionType gap_side)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_extension (priv->theming_engine, cr, x, y, width, height, gap_side);
|
|
}
|
|
|
|
void
|
|
gtk_render_handle (GtkStyleContext *context,
|
|
cairo_t *cr,
|
|
gdouble x,
|
|
gdouble y,
|
|
gdouble width,
|
|
gdouble height,
|
|
GtkOrientation orientation)
|
|
{
|
|
GtkStyleContextPrivate *priv;
|
|
GtkThemingEngineClass *engine_class;
|
|
|
|
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
|
g_return_if_fail (cr != NULL);
|
|
|
|
priv = context->priv;
|
|
engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
|
|
|
|
_gtk_theming_engine_set_context (priv->theming_engine, context);
|
|
engine_class->render_handle (priv->theming_engine, cr, x, y, width, height, orientation);
|
|
}
|
|
|
|
#define __GTK_STYLE_CONTEXT_C__
|
|
#include "gtkaliasdef.c"
|