gtk2/gtk/gtkiconhelper.c
Cosimo Cecchi ab88110b51 iconhelper: clear the surface on invalidation
This was missed during the pixbuf->surface conversion, so when the state
changed we were not recreating a new surface for it.
2013-08-03 18:08:33 +02:00

1089 lines
27 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* Authors: Cosimo Cecchi <cosimoc@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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <math.h>
#include "gtkiconhelperprivate.h"
struct _GtkIconHelperPrivate {
GtkImageType storage_type;
GdkWindow *window;
GdkPixbuf *orig_pixbuf;
int orig_pixbuf_scale;
GdkPixbufAnimation *animation;
GIcon *gicon;
GtkIconSet *icon_set;
gchar *icon_name;
gchar *stock_id;
cairo_surface_t *orig_surface;
GtkIconSize icon_size;
gint pixel_size;
guint use_fallback : 1;
guint force_scale_pixbuf : 1;
GdkPixbuf *rendered_pixbuf;
GtkStateFlags last_rendered_state;
cairo_surface_t *rendered_surface;
gint rendered_surface_width;
gint rendered_surface_height;
GtkStateFlags last_surface_state;
gint last_surface_scale;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkIconHelper, _gtk_icon_helper, G_TYPE_OBJECT)
void
_gtk_icon_helper_clear (GtkIconHelper *self)
{
g_clear_object (&self->priv->gicon);
g_clear_object (&self->priv->orig_pixbuf);
g_clear_object (&self->priv->animation);
g_clear_object (&self->priv->rendered_pixbuf);
g_clear_object (&self->priv->window);
if (self->priv->orig_surface)
{
cairo_surface_destroy (self->priv->orig_surface);
self->priv->orig_surface = NULL;
}
if (self->priv->rendered_surface)
{
cairo_surface_destroy (self->priv->rendered_surface);
self->priv->rendered_surface = NULL;
}
if (self->priv->icon_set != NULL)
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
gtk_icon_set_unref (self->priv->icon_set);
G_GNUC_END_IGNORE_DEPRECATIONS;
self->priv->icon_set = NULL;
}
g_free (self->priv->icon_name);
self->priv->icon_name = NULL;
g_free (self->priv->stock_id);
self->priv->stock_id = NULL;
self->priv->storage_type = GTK_IMAGE_EMPTY;
self->priv->icon_size = GTK_ICON_SIZE_INVALID;
self->priv->last_rendered_state = GTK_STATE_FLAG_NORMAL;
self->priv->last_surface_state = GTK_STATE_FLAG_NORMAL;
self->priv->last_surface_scale = 0;
}
void
_gtk_icon_helper_invalidate (GtkIconHelper *self)
{
g_clear_object (&self->priv->rendered_pixbuf);
if (self->priv->rendered_surface != NULL)
{
cairo_surface_destroy (self->priv->rendered_surface);
self->priv->rendered_surface = NULL;
}
}
void
_gtk_icon_helper_set_window (GtkIconHelper *self,
GdkWindow *window)
{
if (window)
g_object_ref (window);
g_clear_object (&self->priv->window);
self->priv->window = window;
}
static void
gtk_icon_helper_finalize (GObject *object)
{
GtkIconHelper *self = GTK_ICON_HELPER (object);
_gtk_icon_helper_clear (self);
G_OBJECT_CLASS (_gtk_icon_helper_parent_class)->finalize (object);
}
static void
_gtk_icon_helper_class_init (GtkIconHelperClass *klass)
{
GObjectClass *oclass;
oclass = G_OBJECT_CLASS (klass);
oclass->finalize = gtk_icon_helper_finalize;
}
static void
_gtk_icon_helper_init (GtkIconHelper *self)
{
self->priv = _gtk_icon_helper_get_instance_private (self);
self->priv->storage_type = GTK_IMAGE_EMPTY;
self->priv->icon_size = GTK_ICON_SIZE_INVALID;
self->priv->pixel_size = -1;
self->priv->last_rendered_state = GTK_STATE_FLAG_NORMAL;
self->priv->orig_pixbuf_scale = 1;
}
static void
ensure_icon_size (GtkIconHelper *self,
GtkStyleContext *context,
gint *width_out,
gint *height_out)
{
gint width, height;
if (self->priv->pixel_size != -1)
{
width = height = self->priv->pixel_size;
}
else if (!gtk_icon_size_lookup (self->priv->icon_size, &width, &height))
{
if (self->priv->icon_size == GTK_ICON_SIZE_INVALID)
{
width = height = 0;
}
else
{
g_warning ("Invalid icon size %d\n", self->priv->icon_size);
width = height = 24;
}
}
*width_out = width;
*height_out = height;
}
static GdkPixbuf *
ensure_stated_icon_from_info (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconInfo *info)
{
GdkPixbuf *destination = NULL;
gboolean symbolic;
symbolic = FALSE;
if (info)
destination =
gtk_icon_info_load_symbolic_for_context (info,
context,
&symbolic,
NULL);
if (destination == NULL)
{
GtkIconTheme *icon_theme;
int width;
icon_theme = gtk_icon_theme_get_for_screen (gtk_style_context_get_screen (context));
gtk_icon_size_lookup (self->priv->icon_size, &width, NULL);
destination = gtk_icon_theme_load_icon (icon_theme,
"image-missing",
width,
GTK_ICON_LOOKUP_GENERIC_FALLBACK,
NULL);
}
else if (!symbolic)
{
GtkIconSource *source;
GdkPixbuf *rendered;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
/* FIXME: use gtk_icon_info_load_icon? */
source = gtk_icon_source_new ();
gtk_icon_source_set_pixbuf (source, destination);
/* The size here is arbitrary; since size isn't
* wildcarded in the source, it isn't supposed to be
* scaled by the engine function
*/
gtk_icon_source_set_size (source,
GTK_ICON_SIZE_SMALL_TOOLBAR);
gtk_icon_source_set_size_wildcarded (source, FALSE);
rendered = gtk_render_icon_pixbuf (context, source, (GtkIconSize) -1);
gtk_icon_source_free (source);
G_GNUC_END_IGNORE_DEPRECATIONS;
g_object_unref (destination);
destination = rendered;
}
return destination;
}
static gboolean
check_invalidate_pixbuf (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkStateFlags state;
state = gtk_style_context_get_state (context);
if ((self->priv->rendered_pixbuf != NULL) &&
(self->priv->last_rendered_state == state))
return FALSE;
self->priv->last_rendered_state = state;
g_clear_object (&self->priv->rendered_pixbuf);
return TRUE;
}
static GtkIconLookupFlags
get_icon_lookup_flags (GtkIconHelper *self)
{
GtkIconLookupFlags flags = GTK_ICON_LOOKUP_USE_BUILTIN;
if (self->priv->use_fallback)
flags |= GTK_ICON_LOOKUP_GENERIC_FALLBACK;
if (self->priv->pixel_size != -1)
flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
return flags;
}
static void
ensure_pixbuf_for_icon_name_or_gicon (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkIconTheme *icon_theme;
gint width, height;
GtkIconInfo *info;
GtkIconLookupFlags flags;
if (!check_invalidate_pixbuf (self, context))
return;
icon_theme = gtk_icon_theme_get_default ();
flags = get_icon_lookup_flags (self);
ensure_icon_size (self, context, &width, &height);
if (self->priv->storage_type == GTK_IMAGE_ICON_NAME &&
self->priv->icon_name != NULL)
{
info = gtk_icon_theme_lookup_icon (icon_theme,
self->priv->icon_name,
MIN (width, height), flags);
}
else if (self->priv->storage_type == GTK_IMAGE_GICON &&
self->priv->gicon != NULL)
{
info = gtk_icon_theme_lookup_by_gicon (icon_theme,
self->priv->gicon,
MIN (width, height), flags);
}
else
{
g_assert_not_reached ();
return;
}
self->priv->rendered_pixbuf = ensure_stated_icon_from_info (self, context, info);
if (info)
g_object_unref (info);
}
static void
ensure_pixbuf_for_icon_set (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconSet *icon_set)
{
if (!check_invalidate_pixbuf (self, context))
return;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
self->priv->rendered_pixbuf =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
G_GNUC_END_IGNORE_DEPRECATIONS;
}
static void
get_surface_size (GtkIconHelper *self,
GtkStyleContext *context,
cairo_surface_t *surface,
int *width,
int *height)
{
double x_scale, y_scale;
if (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_IMAGE)
{
x_scale = y_scale = 1;
#ifdef HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE
cairo_surface_get_device_scale (surface, &x_scale, &y_scale);
#endif
/* Assume any set scaling is icon scale */
*width =
ceil (cairo_image_surface_get_width (surface) / x_scale);
*height =
ceil (cairo_image_surface_get_height (surface) / y_scale);
}
else
ensure_icon_size (self, context, width, height);
}
static void
ensure_pixbuf_from_surface (GtkIconHelper *self,
GtkStyleContext *context)
{
cairo_surface_t *surface;
gint width, height;
cairo_t *cr;
if (!check_invalidate_pixbuf (self, context))
return;
if (self->priv->rendered_pixbuf)
return;
get_surface_size (self, context, self->priv->orig_surface, &width, &height);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width, height);
cr = cairo_create (surface);
cairo_set_source_surface (cr, self->priv->orig_surface, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
self->priv->rendered_pixbuf =
gdk_pixbuf_get_from_surface (surface, 0, 0, width, height);
cairo_surface_destroy (surface);
}
static void
ensure_pixbuf_at_size (GtkIconHelper *self,
GtkStyleContext *context)
{
gint width, height;
if (!check_invalidate_pixbuf (self, context))
return;
if (self->priv->rendered_pixbuf)
return;
if (self->priv->force_scale_pixbuf &&
(self->priv->pixel_size != -1 ||
self->priv->icon_size != GTK_ICON_SIZE_INVALID))
{
ensure_icon_size (self, context, &width, &height);
if (self->priv->orig_pixbuf_scale > 1 ||
/* These should divide the orig_pixbuf size by scale, but need not
due to the above scale > 1 check */
width < gdk_pixbuf_get_width (self->priv->orig_pixbuf) ||
height < gdk_pixbuf_get_height (self->priv->orig_pixbuf))
{
width = MIN (width, gdk_pixbuf_get_width (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale);
height = MIN (height, gdk_pixbuf_get_height (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale);
self->priv->rendered_pixbuf =
gdk_pixbuf_scale_simple (self->priv->orig_pixbuf,
width, height,
GDK_INTERP_BILINEAR);
}
}
else if (self->priv->orig_pixbuf_scale > 1)
{
width = gdk_pixbuf_get_width (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale;
height =gdk_pixbuf_get_height (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale;
self->priv->rendered_pixbuf =
gdk_pixbuf_scale_simple (self->priv->orig_pixbuf,
width, height,
GDK_INTERP_BILINEAR);
}
if (!self->priv->rendered_pixbuf)
self->priv->rendered_pixbuf = g_object_ref (self->priv->orig_pixbuf);
}
GdkPixbuf *
_gtk_icon_helper_ensure_pixbuf (GtkIconHelper *self,
GtkStyleContext *context)
{
GdkPixbuf *pixbuf = NULL;
GtkIconSet *icon_set;
switch (self->priv->storage_type)
{
case GTK_IMAGE_SURFACE:
ensure_pixbuf_from_surface (self, context);
break;
case GTK_IMAGE_PIXBUF:
ensure_pixbuf_at_size (self, context);
break;
case GTK_IMAGE_STOCK:
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
icon_set = gtk_style_context_lookup_icon_set (context, self->priv->stock_id);
if (icon_set != NULL)
ensure_pixbuf_for_icon_set (self, context, icon_set);
else
pixbuf = NULL;
G_GNUC_END_IGNORE_DEPRECATIONS;
break;
case GTK_IMAGE_ICON_SET:
icon_set = self->priv->icon_set;
ensure_pixbuf_for_icon_set (self, context, icon_set);
break;
case GTK_IMAGE_ICON_NAME:
case GTK_IMAGE_GICON:
ensure_pixbuf_for_icon_name_or_gicon (self, context);
break;
case GTK_IMAGE_ANIMATION:
case GTK_IMAGE_EMPTY:
default:
pixbuf = NULL;
break;
}
if (pixbuf == NULL &&
self->priv->rendered_pixbuf != NULL)
pixbuf = g_object_ref (self->priv->rendered_pixbuf);
return pixbuf;
}
static gint
get_scale_factor (GtkIconHelper *self,
GtkStyleContext *context)
{
GdkScreen *screen;
if (self->priv->window)
return gdk_window_get_scale_factor (self->priv->window);
screen = gtk_style_context_get_screen (context);
/* else fall back to something that is more likely to be right than
* just returning 1:
*/
return gdk_screen_get_monitor_scale_factor (screen, 0);
}
static gboolean
check_invalidate_surface (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkStateFlags state;
int scale;
state = gtk_style_context_get_state (context);
scale = get_scale_factor (self, context);
if ((self->priv->rendered_surface != NULL) &&
(self->priv->last_surface_state == state) &&
(self->priv->last_surface_scale == scale))
return FALSE;
self->priv->last_surface_state = state;
self->priv->last_surface_scale = scale;
if (self->priv->rendered_surface)
cairo_surface_destroy (self->priv->rendered_surface);
self->priv->rendered_surface = NULL;
return TRUE;
}
static void
ensure_surface_from_surface (GtkIconHelper *self,
GtkStyleContext *context)
{
if (!check_invalidate_surface (self, context))
return;
if (self->priv->rendered_surface)
return;
self->priv->rendered_surface =
cairo_surface_reference (self->priv->orig_surface);
get_surface_size (self, context, self->priv->orig_surface,
&self->priv->rendered_surface_width,
&self->priv->rendered_surface_height);
}
static void
ensure_surface_from_pixbuf (GtkIconHelper *self,
GtkStyleContext *context)
{
gint width, height;
GdkPixbuf *pixbuf;
int scale;
if (!check_invalidate_surface (self, context))
return;
if (self->priv->rendered_surface)
return;
scale = get_scale_factor (self, context);
if (self->priv->force_scale_pixbuf &&
(self->priv->pixel_size != -1 ||
self->priv->icon_size != GTK_ICON_SIZE_INVALID))
{
ensure_icon_size (self, context, &width, &height);
if (scale != self->priv->orig_pixbuf_scale ||
width < gdk_pixbuf_get_width (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale ||
height < gdk_pixbuf_get_height (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale)
{
width = MIN (width * scale, gdk_pixbuf_get_width (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
height = MIN (height * scale, gdk_pixbuf_get_height (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
pixbuf = gdk_pixbuf_scale_simple (self->priv->orig_pixbuf,
width, height,
GDK_INTERP_BILINEAR);
}
else
{
pixbuf = g_object_ref (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
}
else
{
pixbuf = g_object_ref (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
self->priv->rendered_surface_width = (gdk_pixbuf_get_width (pixbuf) + scale - 1) / scale;
self->priv->rendered_surface_height = (gdk_pixbuf_get_height (pixbuf) + scale - 1) / scale;
self->priv->rendered_surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, self->priv->window);
g_object_unref (pixbuf);
}
static void
ensure_surface_for_icon_set (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconSet *icon_set)
{
gint scale;
if (!check_invalidate_surface (self, context))
return;
scale = get_scale_factor (self, context);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
self->priv->rendered_surface =
gtk_icon_set_render_icon_surface (icon_set, context,
self->priv->icon_size,
scale, self->priv->window);
G_GNUC_END_IGNORE_DEPRECATIONS;
if (self->priv->rendered_surface)
get_surface_size (self, context, self->priv->rendered_surface,
&self->priv->rendered_surface_width,
&self->priv->rendered_surface_height);
}
static void
ensure_stated_surface_from_info (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconInfo *info,
int scale)
{
GdkPixbuf *destination = NULL;
cairo_surface_t *surface;
gboolean symbolic;
symbolic = FALSE;
if (info)
destination =
gtk_icon_info_load_symbolic_for_context (info,
context,
&symbolic,
NULL);
if (destination == NULL)
{
GtkIconSet *icon_set;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
icon_set = gtk_style_context_lookup_icon_set (context, GTK_STOCK_MISSING_IMAGE);
destination =
gtk_icon_set_render_icon_pixbuf (icon_set, context, self->priv->icon_size);
G_GNUC_END_IGNORE_DEPRECATIONS;
}
else if (!symbolic)
{
GtkIconSource *source;
GdkPixbuf *rendered;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
source = gtk_icon_source_new ();
gtk_icon_source_set_pixbuf (source, destination);
/* The size here is arbitrary; since size isn't
* wildcarded in the source, it isn't supposed to be
* scaled by the engine function
*/
gtk_icon_source_set_size (source,
GTK_ICON_SIZE_SMALL_TOOLBAR);
gtk_icon_source_set_size_wildcarded (source, FALSE);
rendered = gtk_render_icon_pixbuf (context, source, (GtkIconSize) -1);
gtk_icon_source_free (source);
G_GNUC_END_IGNORE_DEPRECATIONS;
g_object_unref (destination);
destination = rendered;
}
surface = NULL;
if (destination)
{
surface = gdk_cairo_surface_create_from_pixbuf (destination, scale, self->priv->window);
self->priv->rendered_surface_width =
(gdk_pixbuf_get_width (destination) + scale - 1) / scale;
self->priv->rendered_surface_height =
(gdk_pixbuf_get_height (destination) + scale - 1) / scale;
}
self->priv->rendered_surface = surface;
}
static void
ensure_surface_for_icon_name_or_gicon (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkIconTheme *icon_theme;
gint width, height, scale;
GtkIconInfo *info;
GtkIconLookupFlags flags;
if (!check_invalidate_surface (self, context))
return;
icon_theme = gtk_icon_theme_get_default ();
flags = get_icon_lookup_flags (self);
ensure_icon_size (self, context, &width, &height);
scale = get_scale_factor (self, context);
if (self->priv->storage_type == GTK_IMAGE_ICON_NAME &&
self->priv->icon_name != NULL)
{
info = gtk_icon_theme_lookup_icon_for_scale (icon_theme,
self->priv->icon_name,
MIN (width, height),
scale, flags);
}
else if (self->priv->storage_type == GTK_IMAGE_GICON &&
self->priv->gicon != NULL)
{
info = gtk_icon_theme_lookup_by_gicon_for_scale (icon_theme,
self->priv->gicon,
MIN (width, height),
scale, flags);
}
else
{
g_assert_not_reached ();
return;
}
ensure_stated_surface_from_info (self, context, info, scale);
if (info)
g_object_unref (info);
}
cairo_surface_t *
_gtk_icon_helper_ensure_surface (GtkIconHelper *self,
GtkStyleContext *context)
{
cairo_surface_t *surface = NULL;
GtkIconSet *icon_set;
switch (self->priv->storage_type)
{
case GTK_IMAGE_SURFACE:
ensure_surface_from_surface (self, context);
break;
case GTK_IMAGE_PIXBUF:
ensure_surface_from_pixbuf (self, context);
break;
case GTK_IMAGE_STOCK:
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
icon_set = gtk_style_context_lookup_icon_set (context, self->priv->stock_id);
if (icon_set != NULL)
ensure_surface_for_icon_set (self, context, icon_set);
else
surface = NULL;
G_GNUC_END_IGNORE_DEPRECATIONS;
break;
case GTK_IMAGE_ICON_SET:
icon_set = self->priv->icon_set;
ensure_surface_for_icon_set (self, context, icon_set);
break;
case GTK_IMAGE_ICON_NAME:
case GTK_IMAGE_GICON:
ensure_surface_for_icon_name_or_gicon (self, context);
break;
case GTK_IMAGE_ANIMATION:
case GTK_IMAGE_EMPTY:
default:
surface = NULL;
break;
}
if (surface == NULL &&
self->priv->rendered_surface != NULL)
surface = cairo_surface_reference (self->priv->rendered_surface);
return surface;
}
void
_gtk_icon_helper_get_size (GtkIconHelper *self,
GtkStyleContext *context,
gint *width_out,
gint *height_out)
{
cairo_surface_t *surface;
gint width, height;
width = height = 0;
surface = _gtk_icon_helper_ensure_surface (self, context);
if (surface != NULL)
{
width = self->priv->rendered_surface_width;
height = self->priv->rendered_surface_height;
cairo_surface_destroy (surface);
}
else if (self->priv->storage_type == GTK_IMAGE_ANIMATION)
{
width = gdk_pixbuf_animation_get_width (self->priv->animation);
height = gdk_pixbuf_animation_get_height (self->priv->animation);
}
else if (self->priv->icon_size != -1)
{
ensure_icon_size (self, context, &width, &height);
}
if (width_out)
*width_out = width;
if (height_out)
*height_out = height;
}
void
_gtk_icon_helper_set_gicon (GtkIconHelper *self,
GIcon *gicon,
GtkIconSize icon_size)
{
_gtk_icon_helper_clear (self);
if (gicon != NULL)
{
self->priv->storage_type = GTK_IMAGE_GICON;
self->priv->gicon = g_object_ref (gicon);
_gtk_icon_helper_set_icon_size (self, icon_size);
}
}
void
_gtk_icon_helper_set_icon_name (GtkIconHelper *self,
const gchar *icon_name,
GtkIconSize icon_size)
{
_gtk_icon_helper_clear (self);
if (icon_name != NULL &&
icon_name[0] != '\0')
{
self->priv->storage_type = GTK_IMAGE_ICON_NAME;
self->priv->icon_name = g_strdup (icon_name);
_gtk_icon_helper_set_icon_size (self, icon_size);
}
}
void
_gtk_icon_helper_set_icon_set (GtkIconHelper *self,
GtkIconSet *icon_set,
GtkIconSize icon_size)
{
_gtk_icon_helper_clear (self);
if (icon_set != NULL)
{
self->priv->storage_type = GTK_IMAGE_ICON_SET;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
self->priv->icon_set = gtk_icon_set_ref (icon_set);
G_GNUC_END_IGNORE_DEPRECATIONS;
_gtk_icon_helper_set_icon_size (self, icon_size);
}
}
void
_gtk_icon_helper_set_pixbuf (GtkIconHelper *self,
GdkPixbuf *pixbuf)
{
_gtk_icon_helper_clear (self);
if (pixbuf != NULL)
{
self->priv->storage_type = GTK_IMAGE_PIXBUF;
self->priv->orig_pixbuf = g_object_ref (pixbuf);
}
}
void
_gtk_icon_helper_set_animation (GtkIconHelper *self,
GdkPixbufAnimation *animation)
{
_gtk_icon_helper_clear (self);
if (animation != NULL)
{
self->priv->storage_type = GTK_IMAGE_ANIMATION;
self->priv->animation = g_object_ref (animation);
}
}
void
_gtk_icon_helper_set_surface (GtkIconHelper *self,
cairo_surface_t *surface)
{
_gtk_icon_helper_clear (self);
if (surface != NULL)
{
self->priv->storage_type = GTK_IMAGE_SURFACE;
self->priv->orig_surface = cairo_surface_reference (surface);
}
}
void
_gtk_icon_helper_set_stock_id (GtkIconHelper *self,
const gchar *stock_id,
GtkIconSize icon_size)
{
_gtk_icon_helper_clear (self);
if (stock_id != NULL &&
stock_id[0] != '\0')
{
self->priv->storage_type = GTK_IMAGE_STOCK;
self->priv->stock_id = g_strdup (stock_id);
_gtk_icon_helper_set_icon_size (self, icon_size);
}
}
void
_gtk_icon_helper_set_icon_size (GtkIconHelper *self,
GtkIconSize icon_size)
{
if (self->priv->icon_size != icon_size)
{
self->priv->icon_size = icon_size;
_gtk_icon_helper_invalidate (self);
}
}
void
_gtk_icon_helper_set_pixel_size (GtkIconHelper *self,
gint pixel_size)
{
if (self->priv->pixel_size != pixel_size)
{
self->priv->pixel_size = pixel_size;
_gtk_icon_helper_invalidate (self);
}
}
void
_gtk_icon_helper_set_use_fallback (GtkIconHelper *self,
gboolean use_fallback)
{
if (self->priv->use_fallback != use_fallback)
{
self->priv->use_fallback = use_fallback;
_gtk_icon_helper_invalidate (self);
}
}
GtkImageType
_gtk_icon_helper_get_storage_type (GtkIconHelper *self)
{
return self->priv->storage_type;
}
gboolean
_gtk_icon_helper_get_use_fallback (GtkIconHelper *self)
{
return self->priv->use_fallback;
}
GtkIconSize
_gtk_icon_helper_get_icon_size (GtkIconHelper *self)
{
return self->priv->icon_size;
}
gint
_gtk_icon_helper_get_pixel_size (GtkIconHelper *self)
{
return self->priv->pixel_size;
}
GdkPixbuf *
_gtk_icon_helper_peek_pixbuf (GtkIconHelper *self)
{
return self->priv->orig_pixbuf;
}
GIcon *
_gtk_icon_helper_peek_gicon (GtkIconHelper *self)
{
return self->priv->gicon;
}
GdkPixbufAnimation *
_gtk_icon_helper_peek_animation (GtkIconHelper *self)
{
return self->priv->animation;
}
GtkIconSet *
_gtk_icon_helper_peek_icon_set (GtkIconHelper *self)
{
return self->priv->icon_set;
}
cairo_surface_t *
_gtk_icon_helper_peek_surface (GtkIconHelper *self)
{
return self->priv->orig_surface;
}
const gchar *
_gtk_icon_helper_get_stock_id (GtkIconHelper *self)
{
return self->priv->stock_id;
}
const gchar *
_gtk_icon_helper_get_icon_name (GtkIconHelper *self)
{
return self->priv->icon_name;
}
GtkIconHelper *
_gtk_icon_helper_new (void)
{
return g_object_new (GTK_TYPE_ICON_HELPER, NULL);
}
void
_gtk_icon_helper_draw (GtkIconHelper *self,
GtkStyleContext *context,
cairo_t *cr,
gdouble x,
gdouble y)
{
cairo_surface_t *surface;
surface = _gtk_icon_helper_ensure_surface (self, context);
if (surface != NULL)
{
gtk_render_icon_surface (context, cr, surface, x, y);
cairo_surface_destroy (surface);
}
}
gboolean
_gtk_icon_helper_get_is_empty (GtkIconHelper *self)
{
return (self->priv->storage_type == GTK_IMAGE_EMPTY);
}
gboolean
_gtk_icon_helper_get_force_scale_pixbuf (GtkIconHelper *self)
{
return self->priv->force_scale_pixbuf;
}
void
_gtk_icon_helper_set_force_scale_pixbuf (GtkIconHelper *self,
gboolean force_scale)
{
if (self->priv->force_scale_pixbuf != force_scale)
{
self->priv->force_scale_pixbuf = force_scale;
_gtk_icon_helper_invalidate (self);
}
}
void
_gtk_icon_helper_set_pixbuf_scale (GtkIconHelper *self,
int scale)
{
if (self->priv->orig_pixbuf_scale != scale)
{
self->priv->orig_pixbuf_scale = scale;
_gtk_icon_helper_invalidate (self);
}
}
int
_gtk_icon_helper_get_pixbuf_scale (GtkIconHelper *self)
{
return self->priv->orig_pixbuf_scale;
}