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gtk2/gtk/gtkstylecontext.c

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/* GTK - The GIMP Toolkit
* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gdk/gdk.h>
#include <stdlib.h>
#include <gobject/gvaluecollector.h>
#include "gtkstylecontext.h"
#include "gtktypebuiltins.h"
#include "gtkthemingengine.h"
#include "gtkintl.h"
#include "gtkwidget.h"
#include "gtkwindow.h"
#include "gtkprivate.h"
#include "gtkanimationdescription.h"
#include "gtktimeline.h"
typedef struct GtkStyleContextPrivate GtkStyleContextPrivate;
typedef struct GtkStyleProviderData GtkStyleProviderData;
typedef struct GtkStyleInfo GtkStyleInfo;
typedef struct GtkRegion GtkRegion;
typedef struct PropertyValue PropertyValue;
typedef struct AnimationInfo AnimationInfo;
struct GtkRegion
{
GQuark class_quark;
GtkRegionFlags flags;
};
struct GtkStyleProviderData
{
GtkStyleProvider *provider;
guint priority;
};
struct PropertyValue
{
GType widget_type;
GParamSpec *pspec;
GValue value;
};
struct GtkStyleInfo
{
GArray *style_classes;
GArray *regions;
GtkJunctionSides junction_sides;
};
struct AnimationInfo
{
GtkTimeline *timeline;
gpointer region_id;
GdkWindow *window;
GtkStateType state;
gboolean target_value;
cairo_region_t *invalidation_region;
GArray *rectangles;
};
struct GtkStyleContextPrivate
{
GdkScreen *screen;
GList *providers;
GList *providers_last;
GSList *icon_factories;
GtkStyleSet *store;
GtkWidgetPath *widget_path;
GArray *property_cache;
GtkStateFlags state_flags;
GSList *info_stack;
GSList *animation_regions;
GSList *animations;
guint animations_invalidated : 1;
guint invalidating_context : 1;
GtkThemingEngine *theming_engine;
GtkTextDirection direction;
};
enum {
PROP_0,
PROP_SCREEN,
PROP_DIRECTION
};
enum {
CHANGED,
LAST_SIGNAL
};
guint signals[LAST_SIGNAL] = { 0 };
static GQuark provider_list_quark = 0;
static void gtk_style_context_finalize (GObject *object);
static void gtk_style_context_impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_style_context_impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GtkStyleContext, gtk_style_context, G_TYPE_OBJECT)
static void
gtk_style_context_class_init (GtkStyleContextClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gtk_style_context_finalize;
object_class->set_property = gtk_style_context_impl_set_property;
object_class->get_property = gtk_style_context_impl_get_property;
signals[CHANGED] =
g_signal_new (I_("changed"),
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkStyleContextClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_object_class_install_property (object_class,
PROP_SCREEN,
g_param_spec_object ("screen",
P_("Screen"),
P_("The associated GdkScreen"),
GDK_TYPE_SCREEN,
GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_DIRECTION,
g_param_spec_enum ("direction",
P_("Direction"),
P_("Text direction"),
GTK_TYPE_TEXT_DIRECTION,
GTK_TEXT_DIR_LTR,
GTK_PARAM_READWRITE));
g_type_class_add_private (object_class, sizeof (GtkStyleContextPrivate));
}
static GtkStyleInfo *
style_info_new (void)
{
GtkStyleInfo *info;
info = g_slice_new0 (GtkStyleInfo);
info->style_classes = g_array_new (FALSE, FALSE, sizeof (GQuark));
info->regions = g_array_new (FALSE, FALSE, sizeof (GtkRegion));
return info;
}
static void
style_info_free (GtkStyleInfo *info)
{
g_array_free (info->style_classes, TRUE);
g_array_free (info->regions, TRUE);
g_slice_free (GtkStyleInfo, info);
}
static GtkStyleInfo *
style_info_copy (const GtkStyleInfo *info)
{
GtkStyleInfo *copy;
copy = style_info_new ();
g_array_insert_vals (copy->style_classes, 0,
info->style_classes->data,
info->style_classes->len);
g_array_insert_vals (copy->regions, 0,
info->regions->data,
info->regions->len);
copy->junction_sides = info->junction_sides;
return copy;
}
static void
gtk_style_context_init (GtkStyleContext *style_context)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
priv = style_context->priv = G_TYPE_INSTANCE_GET_PRIVATE (style_context,
GTK_TYPE_STYLE_CONTEXT,
GtkStyleContextPrivate);
priv->store = gtk_style_set_new ();
priv->theming_engine = g_object_ref ((gpointer) gtk_theming_engine_load (NULL));
priv->direction = GTK_TEXT_DIR_RTL;
/* Create default info store */
info = style_info_new ();
priv->info_stack = g_slist_prepend (priv->info_stack, info);
}
static GtkStyleProviderData *
style_provider_data_new (GtkStyleProvider *provider,
guint priority)
{
GtkStyleProviderData *data;
data = g_slice_new (GtkStyleProviderData);
data->provider = g_object_ref (provider);
data->priority = priority;
return data;
}
static void
style_provider_data_free (GtkStyleProviderData *data)
{
g_object_unref (data->provider);
g_slice_free (GtkStyleProviderData, data);
}
static void
clear_property_cache (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
priv = context->priv;
if (priv->property_cache)
{
guint i;
for (i = 0; i < priv->property_cache->len; i++)
{
PropertyValue *node = &g_array_index (priv->property_cache, PropertyValue, i);
g_param_spec_unref (node->pspec);
g_value_unset (&node->value);
}
g_array_free (priv->property_cache, TRUE);
priv->property_cache = NULL;
}
}
static void
animation_info_free (AnimationInfo *info)
{
g_object_unref (info->timeline);
g_object_unref (info->window);
if (info->invalidation_region)
cairo_region_destroy (info->invalidation_region);
g_array_free (info->rectangles, TRUE);
g_slice_free (AnimationInfo, info);
}
static void
timeline_frame_cb (GtkTimeline *timeline,
gdouble progress,
gpointer user_data)
{
AnimationInfo *info;
info = user_data;
if (info->invalidation_region &&
!cairo_region_is_empty (info->invalidation_region))
gdk_window_invalidate_region (info->window, info->invalidation_region, TRUE);
else
gdk_window_invalidate_rect (info->window, NULL, TRUE);
}
static void
timeline_finished_cb (GtkTimeline *timeline,
gpointer user_data)
{
GtkStyleContextPrivate *priv;
GtkStyleContext *context;
AnimationInfo *info;
GSList *l;
context = user_data;
priv = context->priv;
for (l = priv->animations; l; l = l->next)
{
info = l->data;
if (info->timeline == timeline)
{
priv->animations = g_slist_delete_link (priv->animations, l);
/* Invalidate one last time the area, so the final content is painted */
if (info->invalidation_region &&
!cairo_region_is_empty (info->invalidation_region))
gdk_window_invalidate_region (info->window, info->invalidation_region, TRUE);
else
gdk_window_invalidate_rect (info->window, NULL, TRUE);
animation_info_free (info);
break;
}
}
}
static AnimationInfo *
animation_info_new (GtkStyleContext *context,
gdouble duration,
GtkTimelineProgressType progress_type,
GtkStateType state,
gboolean target_value,
GdkWindow *window)
{
AnimationInfo *info;
info = g_slice_new0 (AnimationInfo);
info->rectangles = g_array_new (FALSE, FALSE, sizeof (cairo_rectangle_int_t));
info->timeline = gtk_timeline_new (duration);
info->window = g_object_ref (window);
info->state = state;
info->target_value = target_value;
gtk_timeline_set_progress_type (info->timeline, progress_type);
if (!target_value)
{
gtk_timeline_set_direction (info->timeline, GTK_TIMELINE_DIRECTION_BACKWARD);
gtk_timeline_rewind (info->timeline);
}
g_signal_connect (info->timeline, "frame",
G_CALLBACK (timeline_frame_cb), info);
g_signal_connect (info->timeline, "finished",
G_CALLBACK (timeline_finished_cb), context);
gtk_timeline_start (info->timeline);
return info;
}
static AnimationInfo *
animation_info_lookup (GtkStyleContext *context,
gpointer region_id,
GtkStateType state)
{
GtkStyleContextPrivate *priv;
GSList *l;
priv = context->priv;
for (l = priv->animations; l; l = l->next)
{
AnimationInfo *info;
info = l->data;
if (info->state == state &&
info->region_id == region_id)
return info;
}
return NULL;
}
static void
gtk_style_context_finalize (GObject *object)
{
GtkStyleContextPrivate *priv;
GtkStyleContext *style_context;
GSList *l;
style_context = GTK_STYLE_CONTEXT (object);
priv = style_context->priv;
if (priv->widget_path)
gtk_widget_path_free (priv->widget_path);
g_object_unref (priv->store);
g_list_foreach (priv->providers, (GFunc) style_provider_data_free, NULL);
g_list_free (priv->providers);
clear_property_cache (GTK_STYLE_CONTEXT (object));
g_slist_foreach (priv->info_stack, (GFunc) style_info_free, NULL);
g_slist_free (priv->info_stack);
g_slist_foreach (priv->icon_factories, (GFunc) g_object_unref, NULL);
g_slist_free (priv->icon_factories);
g_slist_free (priv->animation_regions);
for (l = priv->animations; l; l = l->next)
animation_info_free ((AnimationInfo *) l->data);
g_slist_free (priv->animations);
if (priv->theming_engine)
g_object_unref (priv->theming_engine);
G_OBJECT_CLASS (gtk_style_context_parent_class)->finalize (object);
}
static void
gtk_style_context_impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkStyleContextPrivate *priv;
GtkStyleContext *style_context;
style_context = GTK_STYLE_CONTEXT (object);
priv = style_context->priv;
switch (prop_id)
{
case PROP_SCREEN:
gtk_style_context_set_screen (style_context,
g_value_get_object (value));
break;
case PROP_DIRECTION:
gtk_style_context_set_direction (style_context,
g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_style_context_impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkStyleContextPrivate *priv;
GtkStyleContext *style_context;
style_context = GTK_STYLE_CONTEXT (object);
priv = style_context->priv;
switch (prop_id)
{
case PROP_SCREEN:
g_value_set_object (value, priv->screen);
break;
case PROP_DIRECTION:
g_value_set_enum (value, priv->direction);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GList *
find_next_candidate (GList *local,
GList *global)
{
if (local && global)
{
GtkStyleProviderData *local_data, *global_data;
local_data = local->data;
global_data = global->data;
if (local_data->priority >= global_data->priority)
return local;
else
return global;
}
else if (local)
return local;
else if (global)
return global;
return NULL;
}
static void
rebuild_properties (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GList *elem, *list, *global_list = NULL;
priv = context->priv;
list = priv->providers;
if (priv->screen)
global_list = g_object_get_qdata (G_OBJECT (priv->screen), provider_list_quark);
gtk_style_set_clear (priv->store);
while ((elem = find_next_candidate (list, global_list)) != NULL)
{
GtkStyleProviderData *data;
GtkStyleSet *provider_style;
data = elem->data;
if (elem == list)
list = list->next;
else
global_list = global_list->next;
provider_style = gtk_style_provider_get_style (data->provider,
priv->widget_path);
if (provider_style)
{
gtk_style_set_merge (priv->store, provider_style, TRUE);
g_object_unref (provider_style);
}
}
if (priv->theming_engine)
g_object_unref (priv->theming_engine);
gtk_style_set_get (priv->store, 0,
"engine", &priv->theming_engine,
NULL);
}
static void
rebuild_icon_factories (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GList *elem, *list, *global_list = NULL;
priv = context->priv;
g_slist_foreach (priv->icon_factories, (GFunc) g_object_unref, NULL);
g_slist_free (priv->icon_factories);
priv->icon_factories = NULL;
list = priv->providers_last;
if (priv->screen)
{
global_list = g_object_get_qdata (G_OBJECT (priv->screen), provider_list_quark);
global_list = g_list_last (global_list);
}
while ((elem = find_next_candidate (list, global_list)) != NULL)
{
GtkIconFactory *factory;
GtkStyleProviderData *data;
data = elem->data;
if (elem == list)
list = list->prev;
else
global_list = global_list->prev;
factory = gtk_style_provider_get_icon_factory (data->provider,
priv->widget_path);
if (factory)
priv->icon_factories = g_slist_prepend (priv->icon_factories, factory);
}
}
static void
style_provider_add (GList **list,
GtkStyleProvider *provider,
guint priority)
{
GtkStyleProviderData *new_data;
gboolean added = FALSE;
GList *l = *list;
new_data = style_provider_data_new (provider, priority);
while (l)
{
GtkStyleProviderData *data;
data = l->data;
/* Provider was already attached to the style
* context, remove in order to add the new data
*/
if (data->provider == provider)
{
GList *link;
link = l;
l = l->next;
/* Remove and free link */
*list = g_list_remove_link (*list, link);
style_provider_data_free (link->data);
g_list_free_1 (link);
continue;
}
if (!added &&
data->priority > priority)
{
*list = g_list_insert_before (*list, l, new_data);
added = TRUE;
}
l = l->next;
}
if (!added)
*list = g_list_append (*list, new_data);
}
static gboolean
style_provider_remove (GList **list,
GtkStyleProvider *provider)
{
GList *l = *list;
while (l)
{
GtkStyleProviderData *data;
data = l->data;
if (data->provider == provider)
{
*list = g_list_remove_link (*list, l);
style_provider_data_free (l->data);
g_list_free_1 (l);
return TRUE;
}
l = l->next;
}
return FALSE;
}
void
gtk_style_context_add_provider (GtkStyleContext *context,
GtkStyleProvider *provider,
guint priority)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
priv = context->priv;
style_provider_add (&priv->providers, provider, priority);
priv->providers_last = g_list_last (priv->providers);
gtk_style_context_invalidate (context);
}
void
gtk_style_context_remove_provider (GtkStyleContext *context,
GtkStyleProvider *provider)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
priv = context->priv;
if (style_provider_remove (&priv->providers, provider))
{
priv->providers_last = g_list_last (priv->providers);
gtk_style_context_invalidate (context);
}
}
void
gtk_style_context_reset_widgets (GdkScreen *screen)
{
GList *list, *toplevels;
toplevels = gtk_window_list_toplevels ();
g_list_foreach (toplevels, (GFunc) g_object_ref, NULL);
for (list = toplevels; list; list = list->next)
{
if (gtk_widget_get_screen (list->data) == screen)
gtk_widget_reset_style (list->data);
g_object_unref (list->data);
}
g_list_free (toplevels);
}
void
gtk_style_context_add_provider_for_screen (GdkScreen *screen,
GtkStyleProvider *provider,
guint priority)
{
GList *providers, *list;
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
if (G_UNLIKELY (!provider_list_quark))
provider_list_quark = g_quark_from_static_string ("gtk-provider-list-quark");
list = providers = g_object_get_qdata (G_OBJECT (screen), provider_list_quark);
style_provider_add (&list, provider, priority);
if (list != providers)
g_object_set_qdata (G_OBJECT (screen), provider_list_quark, list);
gtk_style_context_reset_widgets (screen);
}
void
gtk_style_context_remove_provider_for_screen (GdkScreen *screen,
GtkStyleProvider *provider)
{
GList *providers, *list;
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
if (G_UNLIKELY (!provider_list_quark))
return;
list = providers = g_object_get_qdata (G_OBJECT (screen), provider_list_quark);
if (style_provider_remove (&list, provider))
{
if (list != providers)
g_object_set_qdata (G_OBJECT (screen), provider_list_quark, list);
gtk_style_context_reset_widgets (screen);
}
}
void
gtk_style_context_get_property (GtkStyleContext *context,
const gchar *property,
GtkStateFlags state,
GValue *value)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (property != NULL);
g_return_if_fail (value != NULL);
priv = context->priv;
gtk_style_set_get_property (priv->store, property, state, value);
}
void
gtk_style_context_get_valist (GtkStyleContext *context,
GtkStateFlags state,
va_list args)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
gtk_style_set_get_valist (priv->store, state, args);
}
void
gtk_style_context_get (GtkStyleContext *context,
GtkStateFlags state,
...)
{
GtkStyleContextPrivate *priv;
va_list args;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
va_start (args, state);
gtk_style_set_get_valist (priv->store, state, args);
va_end (args);
}
void
gtk_style_context_set_state (GtkStyleContext *context,
GtkStateFlags flags)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
priv->state_flags = flags;
}
GtkStateFlags
gtk_style_context_get_state (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), 0);
priv = context->priv;
return priv->state_flags;
}
static gboolean
context_has_animatable_region (GtkStyleContext *context,
gpointer region_id)
{
GtkStyleContextPrivate *priv;
GSList *r;
/* NULL region_id means everything
* rendered through the style context
*/
if (!region_id)
return TRUE;
priv = context->priv;
for (r = priv->animation_regions; r; r = r->next)
{
if (r->data == region_id)
return TRUE;
}
return FALSE;
}
gboolean
gtk_style_context_is_state_set (GtkStyleContext *context,
GtkStateType state,
gdouble *progress)
{
GtkStyleContextPrivate *priv;
gboolean state_set;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
priv = context->priv;
switch (state)
{
case GTK_STATE_NORMAL:
state_set = (priv->state_flags == 0);
break;
case GTK_STATE_ACTIVE:
state_set = (priv->state_flags & GTK_STATE_FLAG_ACTIVE);
break;
case GTK_STATE_PRELIGHT:
state_set = (priv->state_flags & GTK_STATE_FLAG_PRELIGHT);
break;
case GTK_STATE_SELECTED:
state_set = (priv->state_flags & GTK_STATE_FLAG_SELECTED);
break;
case GTK_STATE_INSENSITIVE:
state_set = (priv->state_flags & GTK_STATE_FLAG_INSENSITIVE);
break;
case GTK_STATE_INCONSISTENT:
state_set = (priv->state_flags & GTK_STATE_FLAG_INCONSISTENT);
break;
case GTK_STATE_FOCUSED:
state_set = (priv->state_flags & GTK_STATE_FLAG_FOCUSED);
break;
default:
g_assert_not_reached ();
}
if (progress)
{
AnimationInfo *info;
GSList *l;
*progress = (state_set) ? 1 : 0;
for (l = priv->animations; l; l = l->next)
{
info = l->data;
if (info->state == state &&
context_has_animatable_region (context, info->region_id))
{
*progress = gtk_timeline_get_progress (info->timeline);
break;
}
}
}
return state_set;
}
void
gtk_style_context_set_path (GtkStyleContext *context,
GtkWidgetPath *path)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (path != NULL);
priv = context->priv;
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);
gtk_style_context_invalidate (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;
GtkStyleInfo *info;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
g_assert (priv->info_stack != NULL);
info = style_info_copy (priv->info_stack->data);
priv->info_stack = g_slist_prepend (priv->info_stack, info);
}
void
gtk_style_context_restore (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
if (priv->info_stack)
{
info = priv->info_stack->data;
priv->info_stack = g_slist_remove (priv->info_stack, info);
style_info_free (info);
}
if (!priv->info_stack)
{
g_warning ("Unpaired gtk_style_context_restore() call");
/* Create default region */
info = style_info_new ();
priv->info_stack = g_slist_prepend (priv->info_stack, info);
}
if (priv->widget_path)
{
guint i;
info = priv->info_stack->data;
/* Update widget path regions */
gtk_widget_path_iter_clear_regions (priv->widget_path, 0);
for (i = 0; i < info->regions->len; i++)
{
GtkRegion *region;
region = &g_array_index (info->regions, GtkRegion, i);
gtk_widget_path_iter_add_region (priv->widget_path, 0,
g_quark_to_string (region->class_quark),
region->flags);
}
/* Update widget path classes */
gtk_widget_path_iter_clear_classes (priv->widget_path, 0);
for (i = 0; i < info->style_classes->len; i++)
{
GQuark quark;
quark = g_array_index (info->style_classes, GQuark, i);
gtk_widget_path_iter_add_class (priv->widget_path, 0,
g_quark_to_string (quark));
}
}
}
static gboolean
style_class_find (GArray *array,
GQuark class_quark,
guint *position)
{
gint min, max, mid;
gboolean found = FALSE;
guint pos;
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;
pos = mid;
}
else if (class_quark > item)
min = pos = mid + 1;
else
{
max = mid - 1;
pos = mid;
}
}
while (!found && min <= max);
if (position)
*position = pos;
return found;
}
static gboolean
region_find (GArray *array,
GQuark class_quark,
guint *position)
{
gint min, max, mid;
gboolean found = FALSE;
guint pos;
if (position)
*position = 0;
if (!array || array->len == 0)
return FALSE;
min = 0;
max = array->len - 1;
do
{
GtkRegion *region;
mid = (min + max) / 2;
region = &g_array_index (array, GtkRegion, mid);
if (region->class_quark == class_quark)
{
found = TRUE;
pos = mid;
}
else if (region->class_quark > class_quark)
min = pos = mid + 1;
else
{
max = mid - 1;
pos = mid;
}
}
while (!found && min <= max);
if (position)
*position = pos;
return found;
}
void
gtk_style_context_set_class (GtkStyleContext *context,
const gchar *class_name)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (!style_class_find (info->style_classes, class_quark, &position))
{
g_array_insert_val (info->style_classes, position, class_quark);
if (priv->widget_path)
{
gtk_widget_path_iter_add_class (priv->widget_path, 0, class_name);
gtk_style_context_invalidate (context);
}
}
}
void
gtk_style_context_unset_class (GtkStyleContext *context,
const gchar *class_name)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (style_class_find (info->style_classes, class_quark, &position))
{
g_array_remove_index (info->style_classes, position);
if (priv->widget_path)
{
gtk_widget_path_iter_remove_class (priv->widget_path, 0, class_name);
gtk_style_context_invalidate (context);
}
}
}
gboolean
gtk_style_context_has_class (GtkStyleContext *context,
const gchar *class_name)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (style_class_find (info->style_classes, class_quark, NULL))
return TRUE;
return FALSE;
}
GList *
gtk_style_context_list_classes (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
GList *classes = NULL;
guint i;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
priv = context->priv;
g_assert (priv->info_stack != NULL);
info = priv->info_stack->data;
for (i = 0; i < info->style_classes->len; i++)
{
GQuark quark;
quark = g_array_index (info->style_classes, GQuark, i);
classes = g_list_prepend (classes, (gchar *) g_quark_to_string (quark));
}
return classes;
}
GList *
gtk_style_context_list_regions (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
GList *classes = NULL;
guint i;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
priv = context->priv;
g_assert (priv->info_stack != NULL);
info = priv->info_stack->data;
for (i = 0; i < info->regions->len; i++)
{
GtkRegion *region;
const gchar *class_name;
region = &g_array_index (info->regions, GtkRegion, i);
class_name = g_quark_to_string (region->class_quark);
classes = g_list_prepend (classes, (gchar *) class_name);
}
return classes;
}
void
gtk_style_context_set_region (GtkStyleContext *context,
const gchar *class_name,
GtkRegionFlags flags)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (!region_find (info->regions, class_quark, &position))
{
GtkRegion region;
region.class_quark = class_quark;
region.flags = flags;
g_array_insert_val (info->regions, position, region);
if (priv->widget_path)
{
gtk_widget_path_iter_add_region (priv->widget_path, 0, class_name, flags);
gtk_style_context_invalidate (context);
}
}
}
void
gtk_style_context_unset_region (GtkStyleContext *context,
const gchar *class_name)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (region_find (info->regions, class_quark, &position))
{
g_array_remove_index (info->regions, position);
if (priv->widget_path)
{
gtk_widget_path_iter_remove_region (priv->widget_path, 0, class_name);
gtk_style_context_invalidate (context);
}
}
}
gboolean
gtk_style_context_has_region (GtkStyleContext *context,
const gchar *class_name,
GtkRegionFlags *flags_return)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
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->info_stack != NULL);
info = priv->info_stack->data;
if (region_find (info->regions, class_quark, &position))
{
if (flags_return)
{
GtkRegion *region;
region = &g_array_index (info->regions, GtkRegion, position);
*flags_return = region->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");
gtk_style_context_invalidate (context);
}
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;
}
void
gtk_style_context_set_direction (GtkStyleContext *context,
GtkTextDirection direction)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
priv->direction = direction;
g_object_notify (G_OBJECT (context), "direction");
}
GtkTextDirection
gtk_style_context_get_direction (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), GTK_TEXT_DIR_LTR);
priv = context->priv;
return priv->direction;
}
void
gtk_style_context_set_junction_sides (GtkStyleContext *context,
GtkJunctionSides sides)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
info = priv->info_stack->data;
info->junction_sides = sides;
}
GtkJunctionSides
gtk_style_context_get_junction_sides (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GtkStyleInfo *info;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), 0);
priv = context->priv;
info = priv->info_stack->data;
return info->junction_sides;
}
gboolean
gtk_style_context_lookup_color (GtkStyleContext *context,
const gchar *color_name,
GdkColor *color)
{
GtkStyleContextPrivate *priv;
GtkSymbolicColor *sym_color;
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), FALSE);
g_return_val_if_fail (color_name != NULL, FALSE);
g_return_val_if_fail (color != NULL, FALSE);
priv = context->priv;
sym_color = gtk_style_set_lookup_color (priv->store, color_name);
if (!sym_color)
return FALSE;
return gtk_symbolic_color_resolve (sym_color, priv->store, color);
}
void
gtk_style_context_notify_state_change (GtkStyleContext *context,
GdkWindow *window,
gpointer region_id,
GtkStateType state,
gboolean state_value)
{
GtkStyleContextPrivate *priv;
GtkAnimationDescription *desc;
AnimationInfo *info;
GtkStateFlags flags;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (state < GTK_STATE_LAST);
state_value = (state_value == TRUE);
priv = context->priv;
switch (state)
{
case GTK_STATE_ACTIVE:
flags = GTK_STATE_FLAG_ACTIVE;
break;
case GTK_STATE_PRELIGHT:
flags = GTK_STATE_FLAG_PRELIGHT;
break;
case GTK_STATE_SELECTED:
flags = GTK_STATE_FLAG_SELECTED;
break;
case GTK_STATE_INSENSITIVE:
flags = GTK_STATE_FLAG_INSENSITIVE;
break;
case GTK_STATE_INCONSISTENT:
flags = GTK_STATE_FLAG_INCONSISTENT;
break;
case GTK_STATE_FOCUSED:
flags = GTK_STATE_FLAG_FOCUSED;
break;
case GTK_STATE_NORMAL:
default:
flags = 0;
break;
}
/* Find out if there is any animation description for the given
* state, it will fallback to the normal state as well if necessary.
*/
gtk_style_set_get (priv->store, flags,
"transition", &desc,
NULL);
if (!desc)
return;
if (gtk_animation_description_get_duration (desc) == 0)
{
gtk_animation_description_unref (desc);
return;
}
info = animation_info_lookup (context, region_id, state);
if (info)
{
/* Reverse the animation if target values are the opposite */
if (info->target_value != state_value)
{
if (gtk_timeline_get_direction (info->timeline) == GTK_TIMELINE_DIRECTION_FORWARD)
gtk_timeline_set_direction (info->timeline, GTK_TIMELINE_DIRECTION_BACKWARD);
else
gtk_timeline_set_direction (info->timeline, GTK_TIMELINE_DIRECTION_FORWARD);
info->target_value = state_value;
}
}
else
{
info = animation_info_new (context,
gtk_animation_description_get_duration (desc),
gtk_animation_description_get_progress_type (desc),
state, state_value, window);
priv->animations = g_slist_prepend (priv->animations, info);
priv->animations_invalidated = TRUE;
}
gtk_animation_description_unref (desc);
}
void
gtk_style_context_push_animatable_region (GtkStyleContext *context,
gpointer region_id)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (region_id != NULL);
priv = context->priv;
priv->animation_regions = g_slist_prepend (priv->animation_regions, region_id);
}
void
gtk_style_context_pop_animatable_region (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
priv->animation_regions = g_slist_delete_link (priv->animation_regions,
priv->animation_regions);
}
void
_gtk_style_context_invalidate_animation_areas (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GSList *l;
priv = context->priv;
for (l = priv->animations; l; l = l->next)
{
AnimationInfo *info;
info = l->data;
/* A NULL invalidation region means it has to be recreated on
* the next expose event, this happens usually after a widget
* allocation change, so the next expose after it will update
* the invalidation region.
*/
if (info->invalidation_region)
{
cairo_region_destroy (info->invalidation_region);
info->invalidation_region = NULL;
}
}
priv->animations_invalidated = TRUE;
}
void
_gtk_style_context_coalesce_animation_areas (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
GSList *l;
priv = context->priv;
if (!priv->animations_invalidated)
return;
for (l = priv->animations; l; l = l->next)
{
AnimationInfo *info;
guint i;
info = l->data;
if (info->invalidation_region)
continue;
/* FIXME: If this happens there's not much
* point in keeping the animation running.
*/
if (info->rectangles->len == 0)
continue;
info->invalidation_region = cairo_region_create ();
for (i = 0; i <info->rectangles->len; i++)
{
cairo_rectangle_int_t *rect;
rect = &g_array_index (info->rectangles, cairo_rectangle_int_t, i);
cairo_region_union_rectangle (info->invalidation_region, rect);
}
g_array_remove_range (info->rectangles, 0, info->rectangles->len);
}
}
static void
store_animation_region (GtkStyleContext *context,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
GtkStyleContextPrivate *priv;
GSList *l;
priv = context->priv;
if (!priv->animations_invalidated)
return;
for (l = priv->animations; l; l = l->next)
{
AnimationInfo *info;
info = l->data;
/* The animation doesn't need updatring
* the invalidation area, bail out.
*/
if (info->invalidation_region)
continue;
if (context_has_animatable_region (context, info->region_id))
{
cairo_rectangle_int_t rect;
rect.x = (gint) x;
rect.y = (gint) y;
rect.width = (gint) width;
rect.height = (gint) height;
g_array_append_val (info->rectangles, rect);
}
}
}
void
gtk_style_context_invalidate (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
/* Avoid reentrancy */
if (priv->invalidating_context)
return;
if (!priv->widget_path)
return;
priv->invalidating_context = TRUE;
rebuild_properties (context);
clear_property_cache (context);
rebuild_icon_factories (context);
g_signal_emit (context, signals[CHANGED], 0);
priv->invalidating_context = FALSE;
}
/* 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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, size, size);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_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);
store_animation_region (context, x, y, width, height);
_gtk_theming_engine_set_context (priv->theming_engine, context);
engine_class->render_handle (priv->theming_engine, cr, x, y, width, height, orientation);
}
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