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d9a602f590
gtk_icon_info_load_symbolic checks for the existance of a filename parameter so it can include it along with the stylesheet. We don't set the filename parameter when creating the info for a GFileIcon, for some reason. https://bugzilla.gnome.org/show_bug.cgi?id=676356
3979 lines
105 KiB
C
3979 lines
105 KiB
C
/* GtkIconTheme - a loader for icon themes
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* gtk-icon-theme.c Copyright (C) 2002, 2003 Red Hat, Inc.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#ifdef G_OS_WIN32
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#ifndef S_ISDIR
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#define S_ISDIR(mode) ((mode)&_S_IFDIR)
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#endif
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#define WIN32_MEAN_AND_LEAN
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#include <windows.h>
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#include "win32/gdkwin32.h"
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#endif /* G_OS_WIN32 */
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#include "gtkicontheme.h"
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#include "gtkdebug.h"
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#include "gtkiconfactory.h"
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#include "gtkiconcache.h"
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#include "gtkbuiltincache.h"
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#include "gtkintl.h"
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#include "gtkmain.h"
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#include "gtknumerableiconprivate.h"
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#include "gtksettings.h"
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#include "gtkprivate.h"
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#undef GDK_DEPRECATED
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#undef GDK_DEPRECATED_FOR
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#define GDK_DEPRECATED
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#define GDK_DEPRECATED_FOR(f)
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#include "deprecated/gtkstyle.h"
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/**
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* SECTION:gtkicontheme
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* @Short_description: Looking up icons by name
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* @Title: GtkIconTheme
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*
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* #GtkIconTheme provides a facility for looking up icons by name
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* and size. The main reason for using a name rather than simply
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* providing a filename is to allow different icons to be used
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* depending on what <firstterm>icon theme</firstterm> is selected
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* by the user. The operation of icon themes on Linux and Unix
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* follows the <ulink
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* url="http://www.freedesktop.org/Standards/icon-theme-spec">Icon
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* Theme Specification</ulink>. There is a default icon theme,
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* named <literal>hicolor</literal> where applications should install
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* their icons, but more additional application themes can be
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* installed as operating system vendors and users choose.
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*
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* Named icons are similar to the <xref linkend="gtk3-Themeable-Stock-Images"/>
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* facility, and the distinction between the two may be a bit confusing.
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* A few things to keep in mind:
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* <itemizedlist>
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* <listitem>
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* Stock images usually are used in conjunction with
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* <xref linkend="gtk3-Stock-Items"/>, such as %GTK_STOCK_OK or
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* %GTK_STOCK_OPEN. Named icons are easier to set up and therefore
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* are more useful for new icons that an application wants to
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* add, such as application icons or window icons.
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* </listitem>
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* <listitem>
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* Stock images can only be loaded at the symbolic sizes defined
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* by the #GtkIconSize enumeration, or by custom sizes defined
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* by gtk_icon_size_register(), while named icons are more flexible
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* and any pixel size can be specified.
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* </listitem>
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* <listitem>
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* Because stock images are closely tied to stock items, and thus
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* to actions in the user interface, stock images may come in
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* multiple variants for different widget states or writing
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* directions.
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* </listitem>
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* </itemizedlist>
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* A good rule of thumb is that if there is a stock image for what
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* you want to use, use it, otherwise use a named icon. It turns
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* out that internally stock images are generally defined in
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* terms of one or more named icons. (An example of the
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* more than one case is icons that depend on writing direction;
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* %GTK_STOCK_GO_FORWARD uses the two themed icons
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* "gtk-stock-go-forward-ltr" and "gtk-stock-go-forward-rtl".)
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*
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* In many cases, named themes are used indirectly, via #GtkImage
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* or stock items, rather than directly, but looking up icons
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* directly is also simple. The #GtkIconTheme object acts
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* as a database of all the icons in the current theme. You
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* can create new #GtkIconTheme objects, but its much more
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* efficient to use the standard icon theme for the #GdkScreen
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* so that the icon information is shared with other people
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* looking up icons. In the case where the default screen is
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* being used, looking up an icon can be as simple as:
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* <informalexample>
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* <programlisting>
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* GError *error = NULL;
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* GtkIconTheme *icon_theme;
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* GdkPixbuf *pixbuf;
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*
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* icon_theme = gtk_icon_theme_get_default ();
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* pixbuf = gtk_icon_theme_load_icon (icon_theme,
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* "my-icon-name", // icon name
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* 48, // size
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* 0, // flags
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* &error);
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* if (!pixbuf)
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* {
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* g_warning ("Couldn't load icon: %s", error->message);
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* g_error_free (error);
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* }
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* else
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* {
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* // Use the pixbuf
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* g_object_unref (pixbuf);
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* }
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* </programlisting>
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* </informalexample>
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*/
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#define DEFAULT_THEME_NAME "hicolor"
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typedef enum
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{
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ICON_THEME_DIR_FIXED,
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ICON_THEME_DIR_SCALABLE,
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ICON_THEME_DIR_THRESHOLD,
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ICON_THEME_DIR_UNTHEMED
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} IconThemeDirType;
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/* In reverse search order: */
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typedef enum
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{
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ICON_SUFFIX_NONE = 0,
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ICON_SUFFIX_XPM = 1 << 0,
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ICON_SUFFIX_SVG = 1 << 1,
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ICON_SUFFIX_PNG = 1 << 2,
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HAS_ICON_FILE = 1 << 3
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} IconSuffix;
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struct _GtkIconThemePrivate
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{
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gchar *current_theme;
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gchar *fallback_theme;
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gchar **search_path;
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gint search_path_len;
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guint custom_theme : 1;
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guint is_screen_singleton : 1;
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guint pixbuf_supports_svg : 1;
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guint themes_valid : 1;
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guint check_reload : 1;
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guint loading_themes : 1;
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/* A list of all the themes needed to look up icons.
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* In search order, without duplicates
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*/
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GList *themes;
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GHashTable *unthemed_icons;
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/* Note: The keys of this hashtable are owned by the
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* themedir and unthemed hashtables.
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*/
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GHashTable *all_icons;
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/* GdkScreen for the icon theme (may be NULL)
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*/
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GdkScreen *screen;
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/* time when we last stat:ed for theme changes */
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glong last_stat_time;
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GList *dir_mtimes;
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gulong reset_styles_idle;
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};
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struct _GtkIconInfo
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{
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/* Information about the source
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*/
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gchar *filename;
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GLoadableIcon *loadable;
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GSList *emblem_infos;
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/* Cache pixbuf (if there is any) */
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GdkPixbuf *cache_pixbuf;
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GtkIconData *data;
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/* Information about the directory where
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* the source was found
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*/
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IconThemeDirType dir_type;
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gint dir_size;
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gint threshold;
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/* Parameters influencing the scaled icon
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*/
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gint desired_size;
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guint raw_coordinates : 1;
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guint forced_size : 1;
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guint emblems_applied : 1;
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guint ref_count;
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/* Cached information if we go ahead and try to load
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* the icon.
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*/
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GdkPixbuf *pixbuf;
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GError *load_error;
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gdouble scale;
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};
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typedef struct
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{
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char *name;
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char *display_name;
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char *comment;
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char *example;
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/* In search order */
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GList *dirs;
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} IconTheme;
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typedef struct
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{
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IconThemeDirType type;
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GQuark context;
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int size;
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int min_size;
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int max_size;
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int threshold;
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char *dir;
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char *subdir;
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int subdir_index;
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GtkIconCache *cache;
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GHashTable *icons;
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GHashTable *icon_data;
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} IconThemeDir;
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typedef struct
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{
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char *svg_filename;
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char *no_svg_filename;
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} UnthemedIcon;
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typedef struct
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{
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gint size;
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GdkPixbuf *pixbuf;
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} BuiltinIcon;
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typedef struct
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{
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char *dir;
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time_t mtime; /* 0 == not existing or not a dir */
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GtkIconCache *cache;
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} IconThemeDirMtime;
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static void gtk_icon_theme_finalize (GObject *object);
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static void theme_dir_destroy (IconThemeDir *dir);
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static void theme_destroy (IconTheme *theme);
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static GtkIconInfo *theme_lookup_icon (IconTheme *theme,
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const char *icon_name,
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int size,
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gboolean allow_svg,
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gboolean use_default_icons);
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static void theme_list_icons (IconTheme *theme,
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GHashTable *icons,
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GQuark context);
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static void theme_list_contexts (IconTheme *theme,
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GHashTable *contexts);
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static void theme_subdir_load (GtkIconTheme *icon_theme,
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IconTheme *theme,
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GKeyFile *theme_file,
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char *subdir);
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static void do_theme_change (GtkIconTheme *icon_theme);
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static void blow_themes (GtkIconTheme *icon_themes);
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static gboolean rescan_themes (GtkIconTheme *icon_themes);
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static void icon_data_free (GtkIconData *icon_data);
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static void load_icon_data (IconThemeDir *dir,
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const char *path,
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const char *name);
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static IconSuffix theme_dir_get_icon_suffix (IconThemeDir *dir,
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const gchar *icon_name,
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gboolean *has_icon_file);
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static GtkIconInfo *icon_info_new (void);
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static GtkIconInfo *icon_info_new_builtin (BuiltinIcon *icon);
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static IconSuffix suffix_from_name (const char *name);
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static BuiltinIcon *find_builtin_icon (const gchar *icon_name,
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gint size,
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gint *min_difference_p,
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gboolean *has_larger_p);
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static guint signal_changed = 0;
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static GHashTable *icon_theme_builtin_icons;
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/* also used in gtkiconfactory.c */
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GtkIconCache *_builtin_cache = NULL;
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static GList *builtin_dirs = NULL;
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G_DEFINE_TYPE (GtkIconTheme, gtk_icon_theme, G_TYPE_OBJECT)
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/**
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* gtk_icon_theme_new:
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*
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* Creates a new icon theme object. Icon theme objects are used
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* to lookup up an icon by name in a particular icon theme.
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* Usually, you'll want to use gtk_icon_theme_get_default()
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* or gtk_icon_theme_get_for_screen() rather than creating
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* a new icon theme object for scratch.
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*
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* Return value: the newly created #GtkIconTheme object.
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*
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* Since: 2.4
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**/
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GtkIconTheme *
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gtk_icon_theme_new (void)
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{
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return g_object_new (GTK_TYPE_ICON_THEME, NULL);
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}
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/**
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* gtk_icon_theme_get_default:
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*
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* Gets the icon theme for the default screen. See
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* gtk_icon_theme_get_for_screen().
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*
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* Return value: (transfer none): A unique #GtkIconTheme associated with
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* the default screen. This icon theme is associated with
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* the screen and can be used as long as the screen
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* is open. Do not ref or unref it.
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*
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* Since: 2.4
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**/
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GtkIconTheme *
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gtk_icon_theme_get_default (void)
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{
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return gtk_icon_theme_get_for_screen (gdk_screen_get_default ());
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}
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/**
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* gtk_icon_theme_get_for_screen:
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* @screen: a #GdkScreen
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*
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* Gets the icon theme object associated with @screen; if this
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* function has not previously been called for the given
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* screen, a new icon theme object will be created and
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* associated with the screen. Icon theme objects are
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* fairly expensive to create, so using this function
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* is usually a better choice than calling than gtk_icon_theme_new()
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* and setting the screen yourself; by using this function
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* a single icon theme object will be shared between users.
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*
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* Return value: (transfer none): A unique #GtkIconTheme associated with
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* the given screen. This icon theme is associated with
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* the screen and can be used as long as the screen
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* is open. Do not ref or unref it.
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*
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* Since: 2.4
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**/
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GtkIconTheme *
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gtk_icon_theme_get_for_screen (GdkScreen *screen)
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{
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GtkIconTheme *icon_theme;
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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icon_theme = g_object_get_data (G_OBJECT (screen), "gtk-icon-theme");
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if (!icon_theme)
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{
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GtkIconThemePrivate *priv;
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icon_theme = gtk_icon_theme_new ();
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gtk_icon_theme_set_screen (icon_theme, screen);
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priv = icon_theme->priv;
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priv->is_screen_singleton = TRUE;
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g_object_set_data (G_OBJECT (screen), I_("gtk-icon-theme"), icon_theme);
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}
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return icon_theme;
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}
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static void
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gtk_icon_theme_class_init (GtkIconThemeClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gtk_icon_theme_finalize;
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/**
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* GtkIconTheme::changed:
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* @icon_theme: the icon theme
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*
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* Emitted when the current icon theme is switched or GTK+ detects
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* that a change has occurred in the contents of the current
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* icon theme.
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**/
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signal_changed = g_signal_new (I_("changed"),
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkIconThemeClass, changed),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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g_type_class_add_private (klass, sizeof (GtkIconThemePrivate));
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}
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/* Callback when the display that the icon theme is attached to
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* is closed; unset the screen, and if it's the unique theme
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* for the screen, drop the reference
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*/
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static void
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display_closed (GdkDisplay *display,
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gboolean is_error,
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GtkIconTheme *icon_theme)
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{
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GtkIconThemePrivate *priv = icon_theme->priv;
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GdkScreen *screen = priv->screen;
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gboolean was_screen_singleton = priv->is_screen_singleton;
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if (was_screen_singleton)
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{
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g_object_set_data (G_OBJECT (screen), I_("gtk-icon-theme"), NULL);
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priv->is_screen_singleton = FALSE;
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}
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gtk_icon_theme_set_screen (icon_theme, NULL);
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if (was_screen_singleton)
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{
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g_object_unref (icon_theme);
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}
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}
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static void
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update_current_theme (GtkIconTheme *icon_theme)
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{
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#define theme_changed(_old, _new) \
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((_old && !_new) || (!_old && _new) || \
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(_old && _new && strcmp (_old, _new) != 0))
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GtkIconThemePrivate *priv = icon_theme->priv;
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if (!priv->custom_theme)
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{
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gchar *theme = NULL;
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gchar *fallback_theme = NULL;
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gboolean changed = FALSE;
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if (priv->screen)
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{
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GtkSettings *settings = gtk_settings_get_for_screen (priv->screen);
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g_object_get (settings,
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"gtk-icon-theme-name", &theme,
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"gtk-fallback-icon-theme", &fallback_theme, NULL);
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}
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/* ensure that the current theme (even when just the default)
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* is searched before any fallback theme
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*/
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if (!theme && fallback_theme)
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theme = g_strdup (DEFAULT_THEME_NAME);
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if (theme_changed (priv->current_theme, theme))
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{
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g_free (priv->current_theme);
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priv->current_theme = theme;
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changed = TRUE;
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}
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else
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g_free (theme);
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if (theme_changed (priv->fallback_theme, fallback_theme))
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{
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g_free (priv->fallback_theme);
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priv->fallback_theme = fallback_theme;
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changed = TRUE;
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}
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else
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g_free (fallback_theme);
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if (changed)
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do_theme_change (icon_theme);
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}
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#undef theme_changed
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}
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/* Callback when the icon theme GtkSetting changes
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*/
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static void
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theme_changed (GtkSettings *settings,
|
|
GParamSpec *pspec,
|
|
GtkIconTheme *icon_theme)
|
|
{
|
|
update_current_theme (icon_theme);
|
|
}
|
|
|
|
static void
|
|
unset_screen (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv = icon_theme->priv;
|
|
GtkSettings *settings;
|
|
GdkDisplay *display;
|
|
|
|
if (priv->screen)
|
|
{
|
|
settings = gtk_settings_get_for_screen (priv->screen);
|
|
display = gdk_screen_get_display (priv->screen);
|
|
|
|
g_signal_handlers_disconnect_by_func (display,
|
|
(gpointer) display_closed,
|
|
icon_theme);
|
|
g_signal_handlers_disconnect_by_func (settings,
|
|
(gpointer) theme_changed,
|
|
icon_theme);
|
|
|
|
priv->screen = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_set_screen:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @screen: a #GdkScreen
|
|
*
|
|
* Sets the screen for an icon theme; the screen is used
|
|
* to track the user's currently configured icon theme,
|
|
* which might be different for different screens.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_set_screen (GtkIconTheme *icon_theme,
|
|
GdkScreen *screen)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GtkSettings *settings;
|
|
GdkDisplay *display;
|
|
|
|
g_return_if_fail (GTK_ICON_THEME (icon_theme));
|
|
g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
unset_screen (icon_theme);
|
|
|
|
if (screen)
|
|
{
|
|
display = gdk_screen_get_display (screen);
|
|
settings = gtk_settings_get_for_screen (screen);
|
|
|
|
priv->screen = screen;
|
|
|
|
g_signal_connect (display, "closed",
|
|
G_CALLBACK (display_closed), icon_theme);
|
|
g_signal_connect (settings, "notify::gtk-icon-theme-name",
|
|
G_CALLBACK (theme_changed), icon_theme);
|
|
g_signal_connect (settings, "notify::gtk-fallback-icon-theme-name",
|
|
G_CALLBACK (theme_changed), icon_theme);
|
|
}
|
|
|
|
update_current_theme (icon_theme);
|
|
}
|
|
|
|
/* Checks whether a loader for SVG files has been registered
|
|
* with GdkPixbuf.
|
|
*/
|
|
static gboolean
|
|
pixbuf_supports_svg (void)
|
|
{
|
|
GSList *formats;
|
|
GSList *tmp_list;
|
|
static gint found_svg = -1;
|
|
|
|
if (found_svg != -1)
|
|
return found_svg;
|
|
|
|
formats = gdk_pixbuf_get_formats ();
|
|
|
|
found_svg = FALSE;
|
|
for (tmp_list = formats; tmp_list && !found_svg; tmp_list = tmp_list->next)
|
|
{
|
|
gchar **mime_types = gdk_pixbuf_format_get_mime_types (tmp_list->data);
|
|
gchar **mime_type;
|
|
|
|
for (mime_type = mime_types; *mime_type && !found_svg; mime_type++)
|
|
{
|
|
if (strcmp (*mime_type, "image/svg") == 0)
|
|
found_svg = TRUE;
|
|
}
|
|
|
|
g_strfreev (mime_types);
|
|
}
|
|
|
|
g_slist_free (formats);
|
|
|
|
return found_svg;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_theme_init (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
const gchar * const *xdg_data_dirs;
|
|
int i, j;
|
|
|
|
priv = G_TYPE_INSTANCE_GET_PRIVATE (icon_theme,
|
|
GTK_TYPE_ICON_THEME,
|
|
GtkIconThemePrivate);
|
|
icon_theme->priv = priv;
|
|
|
|
priv->custom_theme = FALSE;
|
|
|
|
xdg_data_dirs = g_get_system_data_dirs ();
|
|
for (i = 0; xdg_data_dirs[i]; i++) ;
|
|
|
|
priv->search_path_len = 2 * i + 2;
|
|
|
|
priv->search_path = g_new (char *, priv->search_path_len);
|
|
|
|
i = 0;
|
|
priv->search_path[i++] = g_build_filename (g_get_user_data_dir (), "icons", NULL);
|
|
priv->search_path[i++] = g_build_filename (g_get_home_dir (), ".icons", NULL);
|
|
|
|
for (j = 0; xdg_data_dirs[j]; j++)
|
|
priv->search_path[i++] = g_build_filename (xdg_data_dirs[j], "icons", NULL);
|
|
|
|
for (j = 0; xdg_data_dirs[j]; j++)
|
|
priv->search_path[i++] = g_build_filename (xdg_data_dirs[j], "pixmaps", NULL);
|
|
|
|
priv->themes_valid = FALSE;
|
|
priv->themes = NULL;
|
|
priv->unthemed_icons = NULL;
|
|
|
|
priv->pixbuf_supports_svg = pixbuf_supports_svg ();
|
|
}
|
|
|
|
static void
|
|
free_dir_mtime (IconThemeDirMtime *dir_mtime)
|
|
{
|
|
if (dir_mtime->cache)
|
|
_gtk_icon_cache_unref (dir_mtime->cache);
|
|
|
|
g_free (dir_mtime->dir);
|
|
g_slice_free (IconThemeDirMtime, dir_mtime);
|
|
|
|
}
|
|
|
|
static gboolean
|
|
reset_styles_idle (gpointer user_data)
|
|
{
|
|
GtkIconTheme *icon_theme;
|
|
GtkIconThemePrivate *priv;
|
|
|
|
icon_theme = GTK_ICON_THEME (user_data);
|
|
priv = icon_theme->priv;
|
|
|
|
if (priv->screen && priv->is_screen_singleton)
|
|
gtk_style_context_reset_widgets (priv->screen);
|
|
|
|
priv->reset_styles_idle = 0;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
do_theme_change (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv = icon_theme->priv;
|
|
|
|
if (!priv->themes_valid)
|
|
return;
|
|
|
|
GTK_NOTE (ICONTHEME,
|
|
g_print ("change to icon theme \"%s\"\n", priv->current_theme));
|
|
blow_themes (icon_theme);
|
|
g_signal_emit (icon_theme, signal_changed, 0);
|
|
|
|
if (!priv->reset_styles_idle)
|
|
priv->reset_styles_idle =
|
|
gdk_threads_add_idle_full (GTK_PRIORITY_RESIZE - 2,
|
|
reset_styles_idle, icon_theme, NULL);
|
|
}
|
|
|
|
static void
|
|
blow_themes (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv = icon_theme->priv;
|
|
|
|
if (priv->themes_valid)
|
|
{
|
|
g_hash_table_destroy (priv->all_icons);
|
|
g_list_free_full (priv->themes, (GDestroyNotify) theme_destroy);
|
|
g_list_free_full (priv->dir_mtimes, (GDestroyNotify) free_dir_mtime);
|
|
g_hash_table_destroy (priv->unthemed_icons);
|
|
}
|
|
priv->themes = NULL;
|
|
priv->unthemed_icons = NULL;
|
|
priv->dir_mtimes = NULL;
|
|
priv->all_icons = NULL;
|
|
priv->themes_valid = FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_icon_theme_finalize (GObject *object)
|
|
{
|
|
GtkIconTheme *icon_theme;
|
|
GtkIconThemePrivate *priv;
|
|
int i;
|
|
|
|
icon_theme = GTK_ICON_THEME (object);
|
|
priv = icon_theme->priv;
|
|
|
|
if (priv->reset_styles_idle)
|
|
{
|
|
g_source_remove (priv->reset_styles_idle);
|
|
priv->reset_styles_idle = 0;
|
|
}
|
|
|
|
unset_screen (icon_theme);
|
|
|
|
g_free (priv->current_theme);
|
|
priv->current_theme = NULL;
|
|
|
|
for (i = 0; i < priv->search_path_len; i++)
|
|
g_free (priv->search_path[i]);
|
|
|
|
g_free (priv->search_path);
|
|
priv->search_path = NULL;
|
|
|
|
blow_themes (icon_theme);
|
|
|
|
G_OBJECT_CLASS (gtk_icon_theme_parent_class)->finalize (object);
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_set_search_path:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @path: (array length=n_elements) (element-type filename): array of
|
|
* directories that are searched for icon themes
|
|
* @n_elements: number of elements in @path.
|
|
*
|
|
* Sets the search path for the icon theme object. When looking
|
|
* for an icon theme, GTK+ will search for a subdirectory of
|
|
* one or more of the directories in @path with the same name
|
|
* as the icon theme. (Themes from multiple of the path elements
|
|
* are combined to allow themes to be extended by adding icons
|
|
* in the user's home directory.)
|
|
*
|
|
* In addition if an icon found isn't found either in the current
|
|
* icon theme or the default icon theme, and an image file with
|
|
* the right name is found directly in one of the elements of
|
|
* @path, then that image will be used for the icon name.
|
|
* (This is legacy feature, and new icons should be put
|
|
* into the default icon theme, which is called DEFAULT_THEME_NAME,
|
|
* rather than directly on the icon path.)
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_set_search_path (GtkIconTheme *icon_theme,
|
|
const gchar *path[],
|
|
gint n_elements)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
gint i;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
|
|
|
|
priv = icon_theme->priv;
|
|
for (i = 0; i < priv->search_path_len; i++)
|
|
g_free (priv->search_path[i]);
|
|
|
|
g_free (priv->search_path);
|
|
|
|
priv->search_path = g_new (gchar *, n_elements);
|
|
priv->search_path_len = n_elements;
|
|
|
|
for (i = 0; i < priv->search_path_len; i++)
|
|
priv->search_path[i] = g_strdup (path[i]);
|
|
|
|
do_theme_change (icon_theme);
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_icon_theme_get_search_path:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @path: (allow-none) (array length=n_elements) (element-type filename) (out):
|
|
* location to store a list of icon theme path directories or %NULL.
|
|
* The stored value should be freed with g_strfreev().
|
|
* @n_elements: location to store number of elements in @path, or %NULL
|
|
*
|
|
* Gets the current search path. See gtk_icon_theme_set_search_path().
|
|
*
|
|
* Since: 2.4
|
|
*/
|
|
void
|
|
gtk_icon_theme_get_search_path (GtkIconTheme *icon_theme,
|
|
gchar **path[],
|
|
gint *n_elements)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
int i;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
if (n_elements)
|
|
*n_elements = priv->search_path_len;
|
|
|
|
if (path)
|
|
{
|
|
*path = g_new (gchar *, priv->search_path_len + 1);
|
|
for (i = 0; i < priv->search_path_len; i++)
|
|
(*path)[i] = g_strdup (priv->search_path[i]);
|
|
(*path)[i] = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_append_search_path:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @path: (type filename): directory name to append to the icon path
|
|
*
|
|
* Appends a directory to the search path.
|
|
* See gtk_icon_theme_set_search_path().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_append_search_path (GtkIconTheme *icon_theme,
|
|
const gchar *path)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
|
|
g_return_if_fail (path != NULL);
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
priv->search_path_len++;
|
|
|
|
priv->search_path = g_renew (gchar *, priv->search_path, priv->search_path_len);
|
|
priv->search_path[priv->search_path_len-1] = g_strdup (path);
|
|
|
|
do_theme_change (icon_theme);
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_prepend_search_path:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @path: (type filename): directory name to prepend to the icon path
|
|
*
|
|
* Prepends a directory to the search path.
|
|
* See gtk_icon_theme_set_search_path().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_prepend_search_path (GtkIconTheme *icon_theme,
|
|
const gchar *path)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
int i;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
|
|
g_return_if_fail (path != NULL);
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
priv->search_path_len++;
|
|
priv->search_path = g_renew (gchar *, priv->search_path, priv->search_path_len);
|
|
|
|
for (i = priv->search_path_len - 1; i > 0; i--)
|
|
priv->search_path[i] = priv->search_path[i - 1];
|
|
|
|
priv->search_path[0] = g_strdup (path);
|
|
|
|
do_theme_change (icon_theme);
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_set_custom_theme:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @theme_name: (allow-none): name of icon theme to use instead of
|
|
* configured theme, or %NULL to unset a previously set custom theme
|
|
*
|
|
* Sets the name of the icon theme that the #GtkIconTheme object uses
|
|
* overriding system configuration. This function cannot be called
|
|
* on the icon theme objects returned from gtk_icon_theme_get_default()
|
|
* and gtk_icon_theme_get_for_screen().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_set_custom_theme (GtkIconTheme *icon_theme,
|
|
const gchar *theme_name)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_ICON_THEME (icon_theme));
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
g_return_if_fail (!priv->is_screen_singleton);
|
|
|
|
if (theme_name != NULL)
|
|
{
|
|
priv->custom_theme = TRUE;
|
|
if (!priv->current_theme || strcmp (theme_name, priv->current_theme) != 0)
|
|
{
|
|
g_free (priv->current_theme);
|
|
priv->current_theme = g_strdup (theme_name);
|
|
|
|
do_theme_change (icon_theme);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (priv->custom_theme)
|
|
{
|
|
priv->custom_theme = FALSE;
|
|
|
|
update_current_theme (icon_theme);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
insert_theme (GtkIconTheme *icon_theme, const char *theme_name)
|
|
{
|
|
int i;
|
|
GList *l;
|
|
char **dirs;
|
|
char **themes;
|
|
GtkIconThemePrivate *priv;
|
|
IconTheme *theme = NULL;
|
|
char *path;
|
|
GKeyFile *theme_file;
|
|
GError *error = NULL;
|
|
IconThemeDirMtime *dir_mtime;
|
|
GStatBuf stat_buf;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
for (l = priv->themes; l != NULL; l = l->next)
|
|
{
|
|
theme = l->data;
|
|
if (strcmp (theme->name, theme_name) == 0)
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < priv->search_path_len; i++)
|
|
{
|
|
path = g_build_filename (priv->search_path[i],
|
|
theme_name,
|
|
NULL);
|
|
dir_mtime = g_slice_new (IconThemeDirMtime);
|
|
dir_mtime->cache = NULL;
|
|
dir_mtime->dir = path;
|
|
if (g_stat (path, &stat_buf) == 0 && S_ISDIR (stat_buf.st_mode))
|
|
dir_mtime->mtime = stat_buf.st_mtime;
|
|
else
|
|
dir_mtime->mtime = 0;
|
|
|
|
priv->dir_mtimes = g_list_prepend (priv->dir_mtimes, dir_mtime);
|
|
}
|
|
priv->dir_mtimes = g_list_reverse (priv->dir_mtimes);
|
|
|
|
theme_file = NULL;
|
|
for (i = 0; i < priv->search_path_len && !theme_file; i++)
|
|
{
|
|
path = g_build_filename (priv->search_path[i],
|
|
theme_name,
|
|
"index.theme",
|
|
NULL);
|
|
if (g_file_test (path, G_FILE_TEST_IS_REGULAR))
|
|
{
|
|
theme_file = g_key_file_new ();
|
|
g_key_file_set_list_separator (theme_file, ',');
|
|
g_key_file_load_from_file (theme_file, path, 0, &error);
|
|
if (error)
|
|
{
|
|
g_key_file_free (theme_file);
|
|
theme_file = NULL;
|
|
g_error_free (error);
|
|
error = NULL;
|
|
}
|
|
}
|
|
g_free (path);
|
|
}
|
|
|
|
if (theme_file || strcmp (theme_name, DEFAULT_THEME_NAME) == 0)
|
|
{
|
|
theme = g_new0 (IconTheme, 1);
|
|
theme->name = g_strdup (theme_name);
|
|
priv->themes = g_list_prepend (priv->themes, theme);
|
|
}
|
|
|
|
if (theme_file == NULL)
|
|
return;
|
|
|
|
theme->display_name =
|
|
g_key_file_get_locale_string (theme_file, "Icon Theme", "Name", NULL, NULL);
|
|
if (!theme->display_name)
|
|
g_warning ("Theme file for %s has no name\n", theme_name);
|
|
|
|
dirs = g_key_file_get_string_list (theme_file, "Icon Theme", "Directories", NULL, NULL);
|
|
if (!dirs)
|
|
{
|
|
g_warning ("Theme file for %s has no directories\n", theme_name);
|
|
priv->themes = g_list_remove (priv->themes, theme);
|
|
g_free (theme->name);
|
|
g_free (theme->display_name);
|
|
g_free (theme);
|
|
g_key_file_free (theme_file);
|
|
return;
|
|
}
|
|
|
|
theme->comment =
|
|
g_key_file_get_locale_string (theme_file,
|
|
"Icon Theme", "Comment",
|
|
NULL, NULL);
|
|
theme->example =
|
|
g_key_file_get_string (theme_file,
|
|
"Icon Theme", "Example",
|
|
NULL);
|
|
|
|
theme->dirs = NULL;
|
|
for (i = 0; dirs[i] != NULL; i++)
|
|
theme_subdir_load (icon_theme, theme, theme_file, dirs[i]);
|
|
|
|
g_strfreev (dirs);
|
|
|
|
theme->dirs = g_list_reverse (theme->dirs);
|
|
|
|
themes = g_key_file_get_string_list (theme_file,
|
|
"Icon Theme",
|
|
"Inherits",
|
|
NULL,
|
|
NULL);
|
|
if (themes)
|
|
{
|
|
for (i = 0; themes[i] != NULL; i++)
|
|
insert_theme (icon_theme, themes[i]);
|
|
|
|
g_strfreev (themes);
|
|
}
|
|
|
|
g_key_file_free (theme_file);
|
|
}
|
|
|
|
static void
|
|
free_unthemed_icon (UnthemedIcon *unthemed_icon)
|
|
{
|
|
g_free (unthemed_icon->svg_filename);
|
|
g_free (unthemed_icon->no_svg_filename);
|
|
g_slice_free (UnthemedIcon, unthemed_icon);
|
|
}
|
|
|
|
static char *
|
|
strip_suffix (const char *filename)
|
|
{
|
|
const char *dot;
|
|
|
|
dot = strrchr (filename, '.');
|
|
|
|
if (dot == NULL)
|
|
return g_strdup (filename);
|
|
|
|
return g_strndup (filename, dot - filename);
|
|
}
|
|
|
|
static void
|
|
load_themes (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GDir *gdir;
|
|
int base;
|
|
char *dir;
|
|
const char *file;
|
|
UnthemedIcon *unthemed_icon;
|
|
IconSuffix old_suffix, new_suffix;
|
|
GTimeVal tv;
|
|
IconThemeDirMtime *dir_mtime;
|
|
GStatBuf stat_buf;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
priv->all_icons = g_hash_table_new (g_str_hash, g_str_equal);
|
|
|
|
if (priv->current_theme)
|
|
insert_theme (icon_theme, priv->current_theme);
|
|
|
|
/* Always look in the "default" icon theme, and in a fallback theme */
|
|
if (priv->fallback_theme)
|
|
insert_theme (icon_theme, priv->fallback_theme);
|
|
insert_theme (icon_theme, DEFAULT_THEME_NAME);
|
|
priv->themes = g_list_reverse (priv->themes);
|
|
|
|
|
|
priv->unthemed_icons = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free, (GDestroyNotify)free_unthemed_icon);
|
|
|
|
for (base = 0; base < icon_theme->priv->search_path_len; base++)
|
|
{
|
|
dir = icon_theme->priv->search_path[base];
|
|
|
|
dir_mtime = g_slice_new (IconThemeDirMtime);
|
|
priv->dir_mtimes = g_list_append (priv->dir_mtimes, dir_mtime);
|
|
|
|
dir_mtime->dir = g_strdup (dir);
|
|
dir_mtime->mtime = 0;
|
|
dir_mtime->cache = NULL;
|
|
|
|
if (g_stat (dir, &stat_buf) != 0 || !S_ISDIR (stat_buf.st_mode))
|
|
continue;
|
|
dir_mtime->mtime = stat_buf.st_mtime;
|
|
|
|
dir_mtime->cache = _gtk_icon_cache_new_for_path (dir);
|
|
if (dir_mtime->cache != NULL)
|
|
continue;
|
|
|
|
gdir = g_dir_open (dir, 0, NULL);
|
|
if (gdir == NULL)
|
|
continue;
|
|
|
|
while ((file = g_dir_read_name (gdir)))
|
|
{
|
|
new_suffix = suffix_from_name (file);
|
|
|
|
if (new_suffix != ICON_SUFFIX_NONE)
|
|
{
|
|
char *abs_file;
|
|
char *base_name;
|
|
|
|
abs_file = g_build_filename (dir, file, NULL);
|
|
base_name = strip_suffix (file);
|
|
|
|
if ((unthemed_icon = g_hash_table_lookup (priv->unthemed_icons,
|
|
base_name)))
|
|
{
|
|
if (new_suffix == ICON_SUFFIX_SVG)
|
|
{
|
|
if (unthemed_icon->svg_filename)
|
|
g_free (abs_file);
|
|
else
|
|
unthemed_icon->svg_filename = abs_file;
|
|
}
|
|
else
|
|
{
|
|
if (unthemed_icon->no_svg_filename)
|
|
{
|
|
old_suffix = suffix_from_name (unthemed_icon->no_svg_filename);
|
|
if (new_suffix > old_suffix)
|
|
{
|
|
g_free (unthemed_icon->no_svg_filename);
|
|
unthemed_icon->no_svg_filename = abs_file;
|
|
}
|
|
else
|
|
g_free (abs_file);
|
|
}
|
|
else
|
|
unthemed_icon->no_svg_filename = abs_file;
|
|
}
|
|
|
|
g_free (base_name);
|
|
}
|
|
else
|
|
{
|
|
unthemed_icon = g_slice_new0 (UnthemedIcon);
|
|
|
|
if (new_suffix == ICON_SUFFIX_SVG)
|
|
unthemed_icon->svg_filename = abs_file;
|
|
else
|
|
unthemed_icon->no_svg_filename = abs_file;
|
|
|
|
/* takes ownership of base_name */
|
|
g_hash_table_replace (priv->unthemed_icons,
|
|
base_name,
|
|
unthemed_icon);
|
|
g_hash_table_insert (priv->all_icons,
|
|
base_name, NULL);
|
|
}
|
|
}
|
|
}
|
|
g_dir_close (gdir);
|
|
}
|
|
|
|
priv->themes_valid = TRUE;
|
|
|
|
g_get_current_time(&tv);
|
|
priv->last_stat_time = tv.tv_sec;
|
|
}
|
|
|
|
void
|
|
_gtk_icon_theme_ensure_builtin_cache (void)
|
|
{
|
|
static gboolean initialized = FALSE;
|
|
IconThemeDir *dir;
|
|
static IconThemeDir dirs[5] =
|
|
{
|
|
{ ICON_THEME_DIR_THRESHOLD, 0, 16, 16, 16, 2, NULL, "16", -1, NULL, NULL, NULL },
|
|
{ ICON_THEME_DIR_THRESHOLD, 0, 20, 20, 20, 2, NULL, "20", -1, NULL, NULL, NULL },
|
|
{ ICON_THEME_DIR_THRESHOLD, 0, 24, 24, 24, 2, NULL, "24", -1, NULL, NULL, NULL },
|
|
{ ICON_THEME_DIR_THRESHOLD, 0, 32, 32, 32, 2, NULL, "32", -1, NULL, NULL, NULL },
|
|
{ ICON_THEME_DIR_THRESHOLD, 0, 48, 48, 48, 2, NULL, "48", -1, NULL, NULL, NULL }
|
|
};
|
|
gint i;
|
|
|
|
if (!initialized)
|
|
{
|
|
initialized = TRUE;
|
|
|
|
_builtin_cache = _gtk_icon_cache_new ((gchar *)builtin_icons);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (dirs); i++)
|
|
{
|
|
dir = &(dirs[i]);
|
|
dir->cache = _gtk_icon_cache_ref (_builtin_cache);
|
|
dir->subdir_index = _gtk_icon_cache_get_directory_index (dir->cache, dir->subdir);
|
|
|
|
builtin_dirs = g_list_append (builtin_dirs, dir);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ensure_valid_themes (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv = icon_theme->priv;
|
|
GTimeVal tv;
|
|
gboolean was_valid = priv->themes_valid;
|
|
|
|
if (priv->loading_themes)
|
|
return;
|
|
priv->loading_themes = TRUE;
|
|
|
|
_gtk_icon_theme_ensure_builtin_cache ();
|
|
|
|
if (priv->themes_valid)
|
|
{
|
|
g_get_current_time (&tv);
|
|
|
|
if (ABS (tv.tv_sec - priv->last_stat_time) > 5 &&
|
|
rescan_themes (icon_theme))
|
|
blow_themes (icon_theme);
|
|
}
|
|
|
|
if (!priv->themes_valid)
|
|
{
|
|
load_themes (icon_theme);
|
|
|
|
if (was_valid)
|
|
{
|
|
g_signal_emit (icon_theme, signal_changed, 0);
|
|
}
|
|
}
|
|
|
|
priv->loading_themes = FALSE;
|
|
}
|
|
|
|
static GtkIconInfo *
|
|
choose_icon (GtkIconTheme *icon_theme,
|
|
const gchar *icon_names[],
|
|
gint size,
|
|
GtkIconLookupFlags flags)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GList *l;
|
|
GtkIconInfo *icon_info = NULL;
|
|
UnthemedIcon *unthemed_icon = NULL;
|
|
gboolean allow_svg;
|
|
gboolean use_builtin;
|
|
gint i;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
if (flags & GTK_ICON_LOOKUP_NO_SVG)
|
|
allow_svg = FALSE;
|
|
else if (flags & GTK_ICON_LOOKUP_FORCE_SVG)
|
|
allow_svg = TRUE;
|
|
else
|
|
allow_svg = priv->pixbuf_supports_svg;
|
|
|
|
use_builtin = flags & GTK_ICON_LOOKUP_USE_BUILTIN;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
/* for symbolic icons, do a search in all registered themes first;
|
|
* a theme that inherits them from a parent theme might provide
|
|
* an alternative highcolor version, but still expect the symbolic icon
|
|
* to show up instead.
|
|
*/
|
|
if (icon_names[0] &&
|
|
g_str_has_suffix (icon_names[0], "-symbolic"))
|
|
{
|
|
for (l = priv->themes; l; l = l->next)
|
|
{
|
|
IconTheme *theme = l->data;
|
|
icon_info = theme_lookup_icon (theme, icon_names[0], size, allow_svg, use_builtin);
|
|
if (icon_info)
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
for (l = priv->themes; l; l = l->next)
|
|
{
|
|
IconTheme *theme = l->data;
|
|
|
|
for (i = 0; icon_names[i]; i++)
|
|
{
|
|
icon_info = theme_lookup_icon (theme, icon_names[i], size, allow_svg, use_builtin);
|
|
if (icon_info)
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
for (i = 0; icon_names[i]; i++)
|
|
{
|
|
unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_names[i]);
|
|
if (unthemed_icon)
|
|
break;
|
|
}
|
|
#ifdef G_OS_WIN32
|
|
/* Still not found an icon, check if reference to a Win32 resource */
|
|
if (!unthemed_icon)
|
|
{
|
|
gchar **resources;
|
|
HICON hIcon = NULL;
|
|
|
|
resources = g_strsplit (icon_names[0], ",", 0);
|
|
if (resources[0])
|
|
{
|
|
wchar_t *wfile = g_utf8_to_utf16 (resources[0], -1, NULL, NULL, NULL);
|
|
ExtractIconExW (wfile, resources[1] ? atoi (resources[1]) : 0, &hIcon, NULL, 1);
|
|
g_free (wfile);
|
|
}
|
|
|
|
if (hIcon)
|
|
{
|
|
icon_info = icon_info_new ();
|
|
icon_info->cache_pixbuf = gdk_win32_icon_to_pixbuf_libgtk_only (hIcon);
|
|
DestroyIcon (hIcon);
|
|
icon_info->dir_type = ICON_THEME_DIR_UNTHEMED;
|
|
icon_info->dir_size = size;
|
|
}
|
|
g_strfreev (resources);
|
|
}
|
|
#endif
|
|
|
|
if (unthemed_icon)
|
|
{
|
|
icon_info = icon_info_new ();
|
|
|
|
/* A SVG icon, when allowed, beats out a XPM icon, but not
|
|
* a PNG icon
|
|
*/
|
|
if (allow_svg &&
|
|
unthemed_icon->svg_filename &&
|
|
(!unthemed_icon->no_svg_filename ||
|
|
suffix_from_name (unthemed_icon->no_svg_filename) != ICON_SUFFIX_PNG))
|
|
icon_info->filename = g_strdup (unthemed_icon->svg_filename);
|
|
else if (unthemed_icon->no_svg_filename)
|
|
icon_info->filename = g_strdup (unthemed_icon->no_svg_filename);
|
|
|
|
icon_info->dir_type = ICON_THEME_DIR_UNTHEMED;
|
|
icon_info->dir_size = size;
|
|
}
|
|
|
|
out:
|
|
if (icon_info)
|
|
{
|
|
icon_info->desired_size = size;
|
|
icon_info->forced_size = (flags & GTK_ICON_LOOKUP_FORCE_SIZE) != 0;
|
|
}
|
|
else
|
|
{
|
|
static gboolean check_for_default_theme = TRUE;
|
|
char *default_theme_path;
|
|
gboolean found = FALSE;
|
|
unsigned i;
|
|
|
|
if (check_for_default_theme)
|
|
{
|
|
check_for_default_theme = FALSE;
|
|
|
|
for (i = 0; !found && i < priv->search_path_len; i++)
|
|
{
|
|
default_theme_path = g_build_filename (priv->search_path[i],
|
|
DEFAULT_THEME_NAME,
|
|
"index.theme",
|
|
NULL);
|
|
found = g_file_test (default_theme_path, G_FILE_TEST_IS_REGULAR);
|
|
g_free (default_theme_path);
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
g_warning ("Could not find the icon '%s'. The '%s' theme\n"
|
|
"was not found either, perhaps you need to install it.\n"
|
|
"You can get a copy from:\n"
|
|
"\t%s",
|
|
icon_names[0], DEFAULT_THEME_NAME, "http://icon-theme.freedesktop.org/releases");
|
|
}
|
|
}
|
|
}
|
|
|
|
return icon_info;
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_icon_theme_lookup_icon:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon_name: the name of the icon to lookup
|
|
* @size: desired icon size
|
|
* @flags: flags modifying the behavior of the icon lookup
|
|
*
|
|
* Looks up a named icon and returns a structure containing
|
|
* information such as the filename of the icon. The icon
|
|
* can then be rendered into a pixbuf using
|
|
* gtk_icon_info_load_icon(). (gtk_icon_theme_load_icon()
|
|
* combines these two steps if all you need is the pixbuf.)
|
|
*
|
|
* Return value: a #GtkIconInfo structure containing information
|
|
* about the icon, or %NULL if the icon wasn't found. Free with
|
|
* gtk_icon_info_free()
|
|
*
|
|
* Since: 2.4
|
|
*/
|
|
GtkIconInfo *
|
|
gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
|
|
const gchar *icon_name,
|
|
gint size,
|
|
GtkIconLookupFlags flags)
|
|
{
|
|
GtkIconInfo *info;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
g_return_val_if_fail (icon_name != NULL, NULL);
|
|
g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
|
|
(flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
|
|
|
|
GTK_NOTE (ICONTHEME,
|
|
g_print ("gtk_icon_theme_lookup_icon %s\n", icon_name));
|
|
|
|
if (flags & GTK_ICON_LOOKUP_GENERIC_FALLBACK)
|
|
{
|
|
gchar **names;
|
|
gint dashes, i;
|
|
gchar *p;
|
|
|
|
dashes = 0;
|
|
for (p = (gchar *) icon_name; *p; p++)
|
|
if (*p == '-')
|
|
dashes++;
|
|
|
|
names = g_new (gchar *, dashes + 2);
|
|
names[0] = g_strdup (icon_name);
|
|
for (i = 1; i <= dashes; i++)
|
|
{
|
|
names[i] = g_strdup (names[i - 1]);
|
|
p = strrchr (names[i], '-');
|
|
*p = '\0';
|
|
}
|
|
names[dashes + 1] = NULL;
|
|
|
|
info = choose_icon (icon_theme, (const gchar **) names, size, flags);
|
|
|
|
g_strfreev (names);
|
|
}
|
|
else
|
|
{
|
|
const gchar *names[2];
|
|
|
|
names[0] = icon_name;
|
|
names[1] = NULL;
|
|
|
|
info = choose_icon (icon_theme, names, size, flags);
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_choose_icon:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon_names: (array zero-terminated=1): %NULL-terminated array of
|
|
* icon names to lookup
|
|
* @size: desired icon size
|
|
* @flags: flags modifying the behavior of the icon lookup
|
|
*
|
|
* Looks up a named icon and returns a structure containing
|
|
* information such as the filename of the icon. The icon
|
|
* can then be rendered into a pixbuf using
|
|
* gtk_icon_info_load_icon(). (gtk_icon_theme_load_icon()
|
|
* combines these two steps if all you need is the pixbuf.)
|
|
*
|
|
* If @icon_names contains more than one name, this function
|
|
* tries them all in the given order before falling back to
|
|
* inherited icon themes.
|
|
*
|
|
* Return value: a #GtkIconInfo structure containing information
|
|
* about the icon, or %NULL if the icon wasn't found. Free with
|
|
* gtk_icon_info_free()
|
|
*
|
|
* Since: 2.12
|
|
*/
|
|
GtkIconInfo *
|
|
gtk_icon_theme_choose_icon (GtkIconTheme *icon_theme,
|
|
const gchar *icon_names[],
|
|
gint size,
|
|
GtkIconLookupFlags flags)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
g_return_val_if_fail (icon_names != NULL, NULL);
|
|
g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
|
|
(flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
|
|
|
|
return choose_icon (icon_theme, icon_names, size, flags);
|
|
}
|
|
|
|
/* Error quark */
|
|
GQuark
|
|
gtk_icon_theme_error_quark (void)
|
|
{
|
|
return g_quark_from_static_string ("gtk-icon-theme-error-quark");
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_load_icon:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon_name: the name of the icon to lookup
|
|
* @size: the desired icon size. The resulting icon may not be
|
|
* exactly this size; see gtk_icon_info_load_icon().
|
|
* @flags: flags modifying the behavior of the icon lookup
|
|
* @error: (allow-none): Location to store error information on failure,
|
|
* or %NULL.
|
|
*
|
|
* Looks up an icon in an icon theme, scales it to the given size
|
|
* and renders it into a pixbuf. This is a convenience function;
|
|
* if more details about the icon are needed, use
|
|
* gtk_icon_theme_lookup_icon() followed by gtk_icon_info_load_icon().
|
|
*
|
|
* Note that you probably want to listen for icon theme changes and
|
|
* update the icon. This is usually done by connecting to the
|
|
* GtkWidget::style-set signal. If for some reason you do not want to
|
|
* update the icon when the icon theme changes, you should consider
|
|
* using gdk_pixbuf_copy() to make a private copy of the pixbuf
|
|
* returned by this function. Otherwise GTK+ may need to keep the old
|
|
* icon theme loaded, which would be a waste of memory.
|
|
*
|
|
* Return value: (transfer full): the rendered icon; this may be a
|
|
* newly created icon or a new reference to an internal icon, so
|
|
* you must not modify the icon. Use g_object_unref() to release
|
|
* your reference to the icon. %NULL if the icon isn't found.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_theme_load_icon (GtkIconTheme *icon_theme,
|
|
const gchar *icon_name,
|
|
gint size,
|
|
GtkIconLookupFlags flags,
|
|
GError **error)
|
|
{
|
|
GtkIconInfo *icon_info;
|
|
GdkPixbuf *pixbuf = NULL;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
g_return_val_if_fail (icon_name != NULL, NULL);
|
|
g_return_val_if_fail ((flags & GTK_ICON_LOOKUP_NO_SVG) == 0 ||
|
|
(flags & GTK_ICON_LOOKUP_FORCE_SVG) == 0, NULL);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
|
|
|
|
icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size,
|
|
flags | GTK_ICON_LOOKUP_USE_BUILTIN);
|
|
if (!icon_info)
|
|
{
|
|
g_set_error (error, GTK_ICON_THEME_ERROR, GTK_ICON_THEME_NOT_FOUND,
|
|
_("Icon '%s' not present in theme"), icon_name);
|
|
return NULL;
|
|
}
|
|
|
|
pixbuf = gtk_icon_info_load_icon (icon_info, error);
|
|
gtk_icon_info_free (icon_info);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_has_icon:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon_name: the name of an icon
|
|
*
|
|
* Checks whether an icon theme includes an icon
|
|
* for a particular name.
|
|
*
|
|
* Return value: %TRUE if @icon_theme includes an
|
|
* icon for @icon_name.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
gboolean
|
|
gtk_icon_theme_has_icon (GtkIconTheme *icon_theme,
|
|
const char *icon_name)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GList *l;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), FALSE);
|
|
g_return_val_if_fail (icon_name != NULL, FALSE);
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
for (l = priv->dir_mtimes; l; l = l->next)
|
|
{
|
|
IconThemeDirMtime *dir_mtime = l->data;
|
|
GtkIconCache *cache = dir_mtime->cache;
|
|
|
|
if (cache && _gtk_icon_cache_has_icon (cache, icon_name))
|
|
return TRUE;
|
|
}
|
|
|
|
if (g_hash_table_lookup_extended (priv->all_icons,
|
|
icon_name, NULL, NULL))
|
|
return TRUE;
|
|
|
|
if (_builtin_cache &&
|
|
_gtk_icon_cache_has_icon (_builtin_cache, icon_name))
|
|
return TRUE;
|
|
|
|
if (icon_theme_builtin_icons &&
|
|
g_hash_table_lookup_extended (icon_theme_builtin_icons,
|
|
icon_name, NULL, NULL))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
add_size (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
gint **res_p = user_data;
|
|
|
|
**res_p = GPOINTER_TO_INT (key);
|
|
|
|
(*res_p)++;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_get_icon_sizes:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon_name: the name of an icon
|
|
*
|
|
* Returns an array of integers describing the sizes at which
|
|
* the icon is available without scaling. A size of -1 means
|
|
* that the icon is available in a scalable format. The array
|
|
* is zero-terminated.
|
|
*
|
|
* Return value: (array zero-terminated=1): An newly allocated array
|
|
* describing the sizes at which the icon is available. The array
|
|
* should be freed with g_free() when it is no longer needed.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
gint *
|
|
gtk_icon_theme_get_icon_sizes (GtkIconTheme *icon_theme,
|
|
const char *icon_name)
|
|
{
|
|
GList *l, *d, *icons;
|
|
GHashTable *sizes;
|
|
gint *result, *r;
|
|
guint suffix;
|
|
GtkIconThemePrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
sizes = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
|
|
for (l = priv->themes; l; l = l->next)
|
|
{
|
|
IconTheme *theme = l->data;
|
|
for (d = theme->dirs; d; d = d->next)
|
|
{
|
|
IconThemeDir *dir = d->data;
|
|
|
|
if (dir->type != ICON_THEME_DIR_SCALABLE && g_hash_table_lookup_extended (sizes, GINT_TO_POINTER (dir->size), NULL, NULL))
|
|
continue;
|
|
|
|
suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);
|
|
if (suffix != ICON_SUFFIX_NONE)
|
|
{
|
|
if (suffix == ICON_SUFFIX_SVG)
|
|
g_hash_table_insert (sizes, GINT_TO_POINTER (-1), NULL);
|
|
else
|
|
g_hash_table_insert (sizes, GINT_TO_POINTER (dir->size), NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (d = builtin_dirs; d; d = d->next)
|
|
{
|
|
IconThemeDir *dir = d->data;
|
|
|
|
if (dir->type != ICON_THEME_DIR_SCALABLE && g_hash_table_lookup_extended (sizes, GINT_TO_POINTER (dir->size), NULL, NULL))
|
|
continue;
|
|
|
|
suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);
|
|
if (suffix != ICON_SUFFIX_NONE)
|
|
{
|
|
if (suffix == ICON_SUFFIX_SVG)
|
|
g_hash_table_insert (sizes, GINT_TO_POINTER (-1), NULL);
|
|
else
|
|
g_hash_table_insert (sizes, GINT_TO_POINTER (dir->size), NULL);
|
|
}
|
|
}
|
|
|
|
if (icon_theme_builtin_icons)
|
|
{
|
|
icons = g_hash_table_lookup (icon_theme_builtin_icons, icon_name);
|
|
|
|
while (icons)
|
|
{
|
|
BuiltinIcon *icon = icons->data;
|
|
|
|
g_hash_table_insert (sizes, GINT_TO_POINTER (icon->size), NULL);
|
|
icons = icons->next;
|
|
}
|
|
}
|
|
|
|
r = result = g_new0 (gint, g_hash_table_size (sizes) + 1);
|
|
|
|
g_hash_table_foreach (sizes, add_size, &r);
|
|
g_hash_table_destroy (sizes);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
add_key_to_hash (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
GHashTable *hash = user_data;
|
|
|
|
g_hash_table_insert (hash, key, NULL);
|
|
}
|
|
|
|
static void
|
|
add_key_to_list (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
GList **list = user_data;
|
|
|
|
*list = g_list_prepend (*list, g_strdup (key));
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_list_icons:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @context: (allow-none): a string identifying a particular type of
|
|
* icon, or %NULL to list all icons.
|
|
*
|
|
* Lists the icons in the current icon theme. Only a subset
|
|
* of the icons can be listed by providing a context string.
|
|
* The set of values for the context string is system dependent,
|
|
* but will typically include such values as "Applications" and
|
|
* "MimeTypes".
|
|
*
|
|
* Return value: (element-type utf8) (transfer full): a #GList list
|
|
* holding the names of all the icons in the theme. You must first
|
|
* free each element in the list with g_free(), then free the list
|
|
* itself with g_list_free().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GList *
|
|
gtk_icon_theme_list_icons (GtkIconTheme *icon_theme,
|
|
const char *context)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GHashTable *icons;
|
|
GList *list, *l;
|
|
GQuark context_quark;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
if (context)
|
|
{
|
|
context_quark = g_quark_try_string (context);
|
|
|
|
if (!context_quark)
|
|
return NULL;
|
|
}
|
|
else
|
|
context_quark = 0;
|
|
|
|
icons = g_hash_table_new (g_str_hash, g_str_equal);
|
|
|
|
l = priv->themes;
|
|
while (l != NULL)
|
|
{
|
|
theme_list_icons (l->data, icons, context_quark);
|
|
l = l->next;
|
|
}
|
|
|
|
if (context_quark == 0)
|
|
g_hash_table_foreach (priv->unthemed_icons,
|
|
add_key_to_hash,
|
|
icons);
|
|
|
|
list = NULL;
|
|
|
|
g_hash_table_foreach (icons,
|
|
add_key_to_list,
|
|
&list);
|
|
|
|
g_hash_table_destroy (icons);
|
|
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_list_contexts:
|
|
* @icon_theme: a #GtkIconTheme
|
|
*
|
|
* Gets the list of contexts available within the current
|
|
* hierarchy of icon themes
|
|
*
|
|
* Return value: (element-type utf8) (transfer full): a #GList list
|
|
* holding the names of all the contexts in the theme. You must first
|
|
* free each element in the list with g_free(), then free the list
|
|
* itself with g_list_free().
|
|
*
|
|
* Since: 2.12
|
|
**/
|
|
GList *
|
|
gtk_icon_theme_list_contexts (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GHashTable *contexts;
|
|
GList *list, *l;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
contexts = g_hash_table_new (g_str_hash, g_str_equal);
|
|
|
|
l = priv->themes;
|
|
while (l != NULL)
|
|
{
|
|
theme_list_contexts (l->data, contexts);
|
|
l = l->next;
|
|
}
|
|
|
|
list = NULL;
|
|
|
|
g_hash_table_foreach (contexts,
|
|
add_key_to_list,
|
|
&list);
|
|
|
|
g_hash_table_destroy (contexts);
|
|
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_get_example_icon_name:
|
|
* @icon_theme: a #GtkIconTheme
|
|
*
|
|
* Gets the name of an icon that is representative of the
|
|
* current theme (for instance, to use when presenting
|
|
* a list of themes to the user.)
|
|
*
|
|
* Return value: the name of an example icon or %NULL.
|
|
* Free with g_free().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
char *
|
|
gtk_icon_theme_get_example_icon_name (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
GList *l;
|
|
IconTheme *theme;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
ensure_valid_themes (icon_theme);
|
|
|
|
l = priv->themes;
|
|
while (l != NULL)
|
|
{
|
|
theme = l->data;
|
|
if (theme->example)
|
|
return g_strdup (theme->example);
|
|
|
|
l = l->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
rescan_themes (GtkIconTheme *icon_theme)
|
|
{
|
|
GtkIconThemePrivate *priv;
|
|
IconThemeDirMtime *dir_mtime;
|
|
GList *d;
|
|
int stat_res;
|
|
GStatBuf stat_buf;
|
|
GTimeVal tv;
|
|
|
|
priv = icon_theme->priv;
|
|
|
|
for (d = priv->dir_mtimes; d != NULL; d = d->next)
|
|
{
|
|
dir_mtime = d->data;
|
|
|
|
stat_res = g_stat (dir_mtime->dir, &stat_buf);
|
|
|
|
/* dir mtime didn't change */
|
|
if (stat_res == 0 &&
|
|
S_ISDIR (stat_buf.st_mode) &&
|
|
dir_mtime->mtime == stat_buf.st_mtime)
|
|
continue;
|
|
/* didn't exist before, and still doesn't */
|
|
if (dir_mtime->mtime == 0 &&
|
|
(stat_res != 0 || !S_ISDIR (stat_buf.st_mode)))
|
|
continue;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
g_get_current_time (&tv);
|
|
priv->last_stat_time = tv.tv_sec;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_theme_rescan_if_needed:
|
|
* @icon_theme: a #GtkIconTheme
|
|
*
|
|
* Checks to see if the icon theme has changed; if it has, any
|
|
* currently cached information is discarded and will be reloaded
|
|
* next time @icon_theme is accessed.
|
|
*
|
|
* Return value: %TRUE if the icon theme has changed and needed
|
|
* to be reloaded.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
gboolean
|
|
gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme)
|
|
{
|
|
gboolean retval;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), FALSE);
|
|
|
|
retval = rescan_themes (icon_theme);
|
|
if (retval)
|
|
do_theme_change (icon_theme);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
theme_destroy (IconTheme *theme)
|
|
{
|
|
g_free (theme->display_name);
|
|
g_free (theme->comment);
|
|
g_free (theme->name);
|
|
g_free (theme->example);
|
|
|
|
g_list_free_full (theme->dirs, (GDestroyNotify) theme_dir_destroy);
|
|
|
|
g_free (theme);
|
|
}
|
|
|
|
static void
|
|
theme_dir_destroy (IconThemeDir *dir)
|
|
{
|
|
if (dir->cache)
|
|
_gtk_icon_cache_unref (dir->cache);
|
|
else
|
|
g_hash_table_destroy (dir->icons);
|
|
|
|
if (dir->icon_data)
|
|
g_hash_table_destroy (dir->icon_data);
|
|
g_free (dir->dir);
|
|
g_free (dir->subdir);
|
|
g_free (dir);
|
|
}
|
|
|
|
static int
|
|
theme_dir_size_difference (IconThemeDir *dir, int size, gboolean *smaller)
|
|
{
|
|
int min, max;
|
|
switch (dir->type)
|
|
{
|
|
case ICON_THEME_DIR_FIXED:
|
|
*smaller = size < dir->size;
|
|
return abs (size - dir->size);
|
|
break;
|
|
case ICON_THEME_DIR_SCALABLE:
|
|
*smaller = size < dir->min_size;
|
|
if (size < dir->min_size)
|
|
return dir->min_size - size;
|
|
if (size > dir->max_size)
|
|
return size - dir->max_size;
|
|
return 0;
|
|
break;
|
|
case ICON_THEME_DIR_THRESHOLD:
|
|
min = dir->size - dir->threshold;
|
|
max = dir->size + dir->threshold;
|
|
*smaller = size < min;
|
|
if (size < min)
|
|
return min - size;
|
|
if (size > max)
|
|
return size - max;
|
|
return 0;
|
|
break;
|
|
case ICON_THEME_DIR_UNTHEMED:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
g_assert_not_reached ();
|
|
return 1000;
|
|
}
|
|
|
|
static const char *
|
|
string_from_suffix (IconSuffix suffix)
|
|
{
|
|
switch (suffix)
|
|
{
|
|
case ICON_SUFFIX_XPM:
|
|
return ".xpm";
|
|
case ICON_SUFFIX_SVG:
|
|
return ".svg";
|
|
case ICON_SUFFIX_PNG:
|
|
return ".png";
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static IconSuffix
|
|
suffix_from_name (const char *name)
|
|
{
|
|
IconSuffix retval;
|
|
|
|
if (g_str_has_suffix (name, ".png"))
|
|
retval = ICON_SUFFIX_PNG;
|
|
else if (g_str_has_suffix (name, ".svg"))
|
|
retval = ICON_SUFFIX_SVG;
|
|
else if (g_str_has_suffix (name, ".xpm"))
|
|
retval = ICON_SUFFIX_XPM;
|
|
else
|
|
retval = ICON_SUFFIX_NONE;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static IconSuffix
|
|
best_suffix (IconSuffix suffix,
|
|
gboolean allow_svg)
|
|
{
|
|
if ((suffix & ICON_SUFFIX_PNG) != 0)
|
|
return ICON_SUFFIX_PNG;
|
|
else if (allow_svg && ((suffix & ICON_SUFFIX_SVG) != 0))
|
|
return ICON_SUFFIX_SVG;
|
|
else if ((suffix & ICON_SUFFIX_XPM) != 0)
|
|
return ICON_SUFFIX_XPM;
|
|
else
|
|
return ICON_SUFFIX_NONE;
|
|
}
|
|
|
|
|
|
static IconSuffix
|
|
theme_dir_get_icon_suffix (IconThemeDir *dir,
|
|
const gchar *icon_name,
|
|
gboolean *has_icon_file)
|
|
{
|
|
IconSuffix suffix;
|
|
|
|
if (dir->cache)
|
|
{
|
|
suffix = (IconSuffix)_gtk_icon_cache_get_icon_flags (dir->cache,
|
|
icon_name,
|
|
dir->subdir_index);
|
|
|
|
if (has_icon_file)
|
|
*has_icon_file = suffix & HAS_ICON_FILE;
|
|
|
|
suffix = suffix & ~HAS_ICON_FILE;
|
|
}
|
|
else
|
|
suffix = GPOINTER_TO_UINT (g_hash_table_lookup (dir->icons, icon_name));
|
|
|
|
GTK_NOTE (ICONTHEME,
|
|
g_print ("get_icon_suffix%s %u\n", dir->cache ? " (cached)" : "", suffix));
|
|
|
|
return suffix;
|
|
}
|
|
|
|
static GtkIconInfo *
|
|
theme_lookup_icon (IconTheme *theme,
|
|
const char *icon_name,
|
|
int size,
|
|
gboolean allow_svg,
|
|
gboolean use_builtin)
|
|
{
|
|
GList *dirs, *l;
|
|
IconThemeDir *dir, *min_dir;
|
|
char *file;
|
|
int min_difference, difference;
|
|
BuiltinIcon *closest_builtin = NULL;
|
|
gboolean smaller, has_larger, match;
|
|
IconSuffix suffix;
|
|
|
|
min_difference = G_MAXINT;
|
|
min_dir = NULL;
|
|
has_larger = FALSE;
|
|
match = FALSE;
|
|
|
|
/* Builtin icons are logically part of the default theme and
|
|
* are searched before other subdirectories of the default theme.
|
|
*/
|
|
if (use_builtin && strcmp (theme->name, DEFAULT_THEME_NAME) == 0)
|
|
{
|
|
closest_builtin = find_builtin_icon (icon_name,
|
|
size,
|
|
&min_difference,
|
|
&has_larger);
|
|
|
|
if (min_difference == 0)
|
|
return icon_info_new_builtin (closest_builtin);
|
|
|
|
dirs = builtin_dirs;
|
|
}
|
|
else
|
|
dirs = theme->dirs;
|
|
|
|
l = dirs;
|
|
while (l != NULL)
|
|
{
|
|
dir = l->data;
|
|
|
|
GTK_NOTE (ICONTHEME,
|
|
g_print ("theme_lookup_icon dir %s\n", dir->dir));
|
|
suffix = theme_dir_get_icon_suffix (dir, icon_name, NULL);
|
|
if (best_suffix (suffix, allow_svg) != ICON_SUFFIX_NONE)
|
|
{
|
|
difference = theme_dir_size_difference (dir, size, &smaller);
|
|
|
|
if (difference == 0)
|
|
{
|
|
if (dir->type == ICON_THEME_DIR_SCALABLE)
|
|
{
|
|
/* don't pick scalable if we already found
|
|
* a matching non-scalable dir
|
|
*/
|
|
if (!match)
|
|
{
|
|
min_dir = dir;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* for a matching non-scalable dir keep
|
|
* going and look for a closer match
|
|
*/
|
|
difference = abs (size - dir->size);
|
|
if (!match || difference < min_difference)
|
|
{
|
|
match = TRUE;
|
|
min_difference = difference;
|
|
min_dir = dir;
|
|
}
|
|
if (difference == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!match)
|
|
{
|
|
if (!has_larger)
|
|
{
|
|
if (difference < min_difference || smaller)
|
|
{
|
|
min_difference = difference;
|
|
min_dir = dir;
|
|
has_larger = smaller;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (difference < min_difference && smaller)
|
|
{
|
|
min_difference = difference;
|
|
min_dir = dir;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
l = l->next;
|
|
|
|
if (l == NULL && dirs == builtin_dirs)
|
|
{
|
|
dirs = theme->dirs;
|
|
l = dirs;
|
|
}
|
|
}
|
|
|
|
if (min_dir)
|
|
{
|
|
GtkIconInfo *icon_info = icon_info_new ();
|
|
gboolean has_icon_file = FALSE;
|
|
|
|
suffix = theme_dir_get_icon_suffix (min_dir, icon_name, &has_icon_file);
|
|
suffix = best_suffix (suffix, allow_svg);
|
|
g_assert (suffix != ICON_SUFFIX_NONE);
|
|
|
|
if (min_dir->dir)
|
|
{
|
|
file = g_strconcat (icon_name, string_from_suffix (suffix), NULL);
|
|
icon_info->filename = g_build_filename (min_dir->dir, file, NULL);
|
|
g_free (file);
|
|
}
|
|
else
|
|
{
|
|
icon_info->filename = NULL;
|
|
}
|
|
|
|
if (min_dir->icon_data != NULL)
|
|
icon_info->data = g_hash_table_lookup (min_dir->icon_data, icon_name);
|
|
|
|
if (icon_info->data == NULL && min_dir->cache != NULL)
|
|
{
|
|
icon_info->data = _gtk_icon_cache_get_icon_data (min_dir->cache, icon_name, min_dir->subdir_index);
|
|
if (icon_info->data)
|
|
{
|
|
if (min_dir->icon_data == NULL)
|
|
min_dir->icon_data = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free, (GDestroyNotify)icon_data_free);
|
|
|
|
g_hash_table_replace (min_dir->icon_data, g_strdup (icon_name), icon_info->data);
|
|
}
|
|
}
|
|
|
|
if (icon_info->data == NULL && has_icon_file)
|
|
{
|
|
gchar *icon_file_name, *icon_file_path;
|
|
|
|
icon_file_name = g_strconcat (icon_name, ".icon", NULL);
|
|
icon_file_path = g_build_filename (min_dir->dir, icon_file_name, NULL);
|
|
|
|
if (g_file_test (icon_file_path, G_FILE_TEST_IS_REGULAR))
|
|
{
|
|
if (min_dir->icon_data == NULL)
|
|
min_dir->icon_data = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free, (GDestroyNotify)icon_data_free);
|
|
load_icon_data (min_dir, icon_file_path, icon_file_name);
|
|
|
|
icon_info->data = g_hash_table_lookup (min_dir->icon_data, icon_name);
|
|
}
|
|
g_free (icon_file_name);
|
|
g_free (icon_file_path);
|
|
}
|
|
|
|
if (min_dir->cache)
|
|
{
|
|
icon_info->cache_pixbuf = _gtk_icon_cache_get_icon (min_dir->cache, icon_name,
|
|
min_dir->subdir_index);
|
|
}
|
|
|
|
icon_info->dir_type = min_dir->type;
|
|
icon_info->dir_size = min_dir->size;
|
|
icon_info->threshold = min_dir->threshold;
|
|
|
|
return icon_info;
|
|
}
|
|
|
|
if (closest_builtin)
|
|
return icon_info_new_builtin (closest_builtin);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
theme_list_icons (IconTheme *theme,
|
|
GHashTable *icons,
|
|
GQuark context)
|
|
{
|
|
GList *l = theme->dirs;
|
|
IconThemeDir *dir;
|
|
|
|
while (l != NULL)
|
|
{
|
|
dir = l->data;
|
|
|
|
if (context == dir->context ||
|
|
context == 0)
|
|
{
|
|
if (dir->cache)
|
|
{
|
|
_gtk_icon_cache_add_icons (dir->cache,
|
|
dir->subdir,
|
|
icons);
|
|
|
|
}
|
|
else
|
|
{
|
|
g_hash_table_foreach (dir->icons,
|
|
add_key_to_hash,
|
|
icons);
|
|
}
|
|
}
|
|
l = l->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
theme_list_contexts (IconTheme *theme,
|
|
GHashTable *contexts)
|
|
{
|
|
GList *l = theme->dirs;
|
|
IconThemeDir *dir;
|
|
const char *context;
|
|
|
|
while (l != NULL)
|
|
{
|
|
dir = l->data;
|
|
|
|
context = g_quark_to_string (dir->context);
|
|
g_hash_table_replace (contexts, (gpointer) context, NULL);
|
|
|
|
l = l->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
load_icon_data (IconThemeDir *dir, const char *path, const char *name)
|
|
{
|
|
GKeyFile *icon_file;
|
|
char *base_name;
|
|
char **split;
|
|
gsize length;
|
|
char *str;
|
|
char *split_point;
|
|
int i;
|
|
gint *ivalues;
|
|
GError *error = NULL;
|
|
|
|
GtkIconData *data;
|
|
|
|
icon_file = g_key_file_new ();
|
|
g_key_file_set_list_separator (icon_file, ',');
|
|
g_key_file_load_from_file (icon_file, path, 0, &error);
|
|
if (error)
|
|
{
|
|
g_error_free (error);
|
|
g_key_file_free (icon_file);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
base_name = strip_suffix (name);
|
|
|
|
data = g_slice_new0 (GtkIconData);
|
|
/* takes ownership of base_name */
|
|
g_hash_table_replace (dir->icon_data, base_name, data);
|
|
|
|
ivalues = g_key_file_get_integer_list (icon_file,
|
|
"Icon Data", "EmbeddedTextRectangle",
|
|
&length, NULL);
|
|
if (ivalues)
|
|
{
|
|
if (length == 4)
|
|
{
|
|
data->has_embedded_rect = TRUE;
|
|
data->x0 = ivalues[0];
|
|
data->y0 = ivalues[1];
|
|
data->x1 = ivalues[2];
|
|
data->y1 = ivalues[3];
|
|
}
|
|
|
|
g_free (ivalues);
|
|
}
|
|
|
|
str = g_key_file_get_string (icon_file, "Icon Data", "AttachPoints", NULL);
|
|
if (str)
|
|
{
|
|
split = g_strsplit (str, "|", -1);
|
|
|
|
data->n_attach_points = g_strv_length (split);
|
|
data->attach_points = g_new (GdkPoint, data->n_attach_points);
|
|
|
|
i = 0;
|
|
while (split[i] != NULL && i < data->n_attach_points)
|
|
{
|
|
split_point = strchr (split[i], ',');
|
|
if (split_point)
|
|
{
|
|
*split_point = 0;
|
|
split_point++;
|
|
data->attach_points[i].x = atoi (split[i]);
|
|
data->attach_points[i].y = atoi (split_point);
|
|
}
|
|
i++;
|
|
}
|
|
|
|
g_strfreev (split);
|
|
g_free (str);
|
|
}
|
|
|
|
data->display_name = g_key_file_get_locale_string (icon_file,
|
|
"Icon Data", "DisplayName",
|
|
NULL, NULL);
|
|
g_key_file_free (icon_file);
|
|
}
|
|
}
|
|
|
|
static void
|
|
scan_directory (GtkIconThemePrivate *icon_theme,
|
|
IconThemeDir *dir, char *full_dir)
|
|
{
|
|
GDir *gdir;
|
|
const char *name;
|
|
|
|
GTK_NOTE (ICONTHEME,
|
|
g_print ("scanning directory %s\n", full_dir));
|
|
dir->icons = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free, NULL);
|
|
|
|
gdir = g_dir_open (full_dir, 0, NULL);
|
|
|
|
if (gdir == NULL)
|
|
return;
|
|
|
|
while ((name = g_dir_read_name (gdir)))
|
|
{
|
|
char *path;
|
|
char *base_name;
|
|
IconSuffix suffix, hash_suffix;
|
|
|
|
if (g_str_has_suffix (name, ".icon"))
|
|
{
|
|
if (dir->icon_data == NULL)
|
|
dir->icon_data = g_hash_table_new_full (g_str_hash, g_str_equal,
|
|
g_free, (GDestroyNotify)icon_data_free);
|
|
|
|
path = g_build_filename (full_dir, name, NULL);
|
|
if (g_file_test (path, G_FILE_TEST_IS_REGULAR))
|
|
load_icon_data (dir, path, name);
|
|
|
|
g_free (path);
|
|
|
|
continue;
|
|
}
|
|
|
|
suffix = suffix_from_name (name);
|
|
if (suffix == ICON_SUFFIX_NONE)
|
|
continue;
|
|
|
|
base_name = strip_suffix (name);
|
|
|
|
hash_suffix = GPOINTER_TO_INT (g_hash_table_lookup (dir->icons, base_name));
|
|
g_hash_table_replace (icon_theme->all_icons, base_name, NULL);
|
|
/* takes ownership of base_name */
|
|
g_hash_table_replace (dir->icons, base_name, GUINT_TO_POINTER (hash_suffix| suffix));
|
|
}
|
|
|
|
g_dir_close (gdir);
|
|
}
|
|
|
|
static void
|
|
theme_subdir_load (GtkIconTheme *icon_theme,
|
|
IconTheme *theme,
|
|
GKeyFile *theme_file,
|
|
char *subdir)
|
|
{
|
|
GList *d;
|
|
char *type_string;
|
|
IconThemeDir *dir;
|
|
IconThemeDirType type;
|
|
char *context_string;
|
|
GQuark context;
|
|
int size;
|
|
int min_size;
|
|
int max_size;
|
|
int threshold;
|
|
char *full_dir;
|
|
GError *error = NULL;
|
|
IconThemeDirMtime *dir_mtime;
|
|
|
|
size = g_key_file_get_integer (theme_file, subdir, "Size", &error);
|
|
if (error)
|
|
{
|
|
g_error_free (error);
|
|
g_warning ("Theme directory %s of theme %s has no size field\n",
|
|
subdir, theme->name);
|
|
return;
|
|
}
|
|
|
|
type = ICON_THEME_DIR_THRESHOLD;
|
|
type_string = g_key_file_get_string (theme_file, subdir, "Type", NULL);
|
|
if (type_string)
|
|
{
|
|
if (strcmp (type_string, "Fixed") == 0)
|
|
type = ICON_THEME_DIR_FIXED;
|
|
else if (strcmp (type_string, "Scalable") == 0)
|
|
type = ICON_THEME_DIR_SCALABLE;
|
|
else if (strcmp (type_string, "Threshold") == 0)
|
|
type = ICON_THEME_DIR_THRESHOLD;
|
|
|
|
g_free (type_string);
|
|
}
|
|
|
|
context = 0;
|
|
context_string = g_key_file_get_string (theme_file, subdir, "Context", NULL);
|
|
if (context_string)
|
|
{
|
|
context = g_quark_from_string (context_string);
|
|
g_free (context_string);
|
|
}
|
|
|
|
if (g_key_file_has_key (theme_file, subdir, "MaxSize", NULL))
|
|
max_size = g_key_file_get_integer (theme_file, subdir, "MaxSize", NULL);
|
|
else
|
|
max_size = size;
|
|
|
|
if (g_key_file_has_key (theme_file, subdir, "MinSize", NULL))
|
|
min_size = g_key_file_get_integer (theme_file, subdir, "MinSize", NULL);
|
|
else
|
|
min_size = size;
|
|
|
|
if (g_key_file_has_key (theme_file, subdir, "Threshold", NULL))
|
|
threshold = g_key_file_get_integer (theme_file, subdir, "Threshold", NULL);
|
|
else
|
|
threshold = 2;
|
|
|
|
for (d = icon_theme->priv->dir_mtimes; d; d = d->next)
|
|
{
|
|
dir_mtime = (IconThemeDirMtime *)d->data;
|
|
|
|
if (dir_mtime->mtime == 0)
|
|
continue; /* directory doesn't exist */
|
|
|
|
full_dir = g_build_filename (dir_mtime->dir, subdir, NULL);
|
|
|
|
/* First, see if we have a cache for the directory */
|
|
if (dir_mtime->cache != NULL || g_file_test (full_dir, G_FILE_TEST_IS_DIR))
|
|
{
|
|
if (dir_mtime->cache == NULL)
|
|
{
|
|
/* This will return NULL if the cache doesn't exist or is outdated */
|
|
dir_mtime->cache = _gtk_icon_cache_new_for_path (dir_mtime->dir);
|
|
}
|
|
|
|
dir = g_new (IconThemeDir, 1);
|
|
dir->type = type;
|
|
dir->context = context;
|
|
dir->size = size;
|
|
dir->min_size = min_size;
|
|
dir->max_size = max_size;
|
|
dir->threshold = threshold;
|
|
dir->dir = full_dir;
|
|
dir->icon_data = NULL;
|
|
dir->subdir = g_strdup (subdir);
|
|
if (dir_mtime->cache != NULL)
|
|
{
|
|
dir->cache = _gtk_icon_cache_ref (dir_mtime->cache);
|
|
dir->subdir_index = _gtk_icon_cache_get_directory_index (dir->cache, dir->subdir);
|
|
}
|
|
else
|
|
{
|
|
dir->cache = NULL;
|
|
dir->subdir_index = -1;
|
|
scan_directory (icon_theme->priv, dir, full_dir);
|
|
}
|
|
|
|
theme->dirs = g_list_prepend (theme->dirs, dir);
|
|
}
|
|
else
|
|
g_free (full_dir);
|
|
}
|
|
}
|
|
|
|
static void
|
|
icon_data_free (GtkIconData *icon_data)
|
|
{
|
|
g_free (icon_data->attach_points);
|
|
g_free (icon_data->display_name);
|
|
g_slice_free (GtkIconData, icon_data);
|
|
}
|
|
|
|
/*
|
|
* GtkIconInfo
|
|
*/
|
|
|
|
G_DEFINE_BOXED_TYPE (GtkIconInfo, gtk_icon_info,
|
|
gtk_icon_info_copy,
|
|
gtk_icon_info_free)
|
|
|
|
static GtkIconInfo *
|
|
icon_info_new (void)
|
|
{
|
|
GtkIconInfo *icon_info = g_slice_new0 (GtkIconInfo);
|
|
|
|
icon_info->scale = -1.;
|
|
icon_info->ref_count = 1;
|
|
|
|
return icon_info;
|
|
}
|
|
|
|
static GtkIconInfo *
|
|
icon_info_new_builtin (BuiltinIcon *icon)
|
|
{
|
|
GtkIconInfo *icon_info = icon_info_new ();
|
|
|
|
icon_info->cache_pixbuf = g_object_ref (icon->pixbuf);
|
|
icon_info->dir_type = ICON_THEME_DIR_THRESHOLD;
|
|
icon_info->dir_size = icon->size;
|
|
icon_info->threshold = 2;
|
|
|
|
return icon_info;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_copy:
|
|
* @icon_info: a #GtkIconInfo
|
|
*
|
|
* Make a copy of a #GtkIconInfo.
|
|
*
|
|
* Return value: the new GtkIconInfo
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GtkIconInfo *
|
|
gtk_icon_info_copy (GtkIconInfo *icon_info)
|
|
{
|
|
|
|
g_return_val_if_fail (icon_info != NULL, NULL);
|
|
|
|
icon_info->ref_count++;
|
|
|
|
return icon_info;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_free:
|
|
* @icon_info: a #GtkIconInfo
|
|
*
|
|
* Free a #GtkIconInfo and associated information
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_info_free (GtkIconInfo *icon_info)
|
|
{
|
|
g_return_if_fail (icon_info != NULL);
|
|
|
|
icon_info->ref_count--;
|
|
if (icon_info->ref_count > 0)
|
|
return;
|
|
|
|
g_free (icon_info->filename);
|
|
if (icon_info->loadable)
|
|
g_object_unref (icon_info->loadable);
|
|
g_slist_free_full (icon_info->emblem_infos, (GDestroyNotify) gtk_icon_info_free);
|
|
if (icon_info->pixbuf)
|
|
g_object_unref (icon_info->pixbuf);
|
|
if (icon_info->cache_pixbuf)
|
|
g_object_unref (icon_info->cache_pixbuf);
|
|
|
|
g_slice_free (GtkIconInfo, icon_info);
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_base_size:
|
|
* @icon_info: a #GtkIconInfo
|
|
*
|
|
* Gets the base size for the icon. The base size
|
|
* is a size for the icon that was specified by
|
|
* the icon theme creator. This may be different
|
|
* than the actual size of image; an example of
|
|
* this is small emblem icons that can be attached
|
|
* to a larger icon. These icons will be given
|
|
* the same base size as the larger icons to which
|
|
* they are attached.
|
|
*
|
|
* Return value: the base size, or 0, if no base
|
|
* size is known for the icon.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
gint
|
|
gtk_icon_info_get_base_size (GtkIconInfo *icon_info)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, 0);
|
|
|
|
return icon_info->dir_size;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_filename:
|
|
* @icon_info: a #GtkIconInfo
|
|
*
|
|
* Gets the filename for the icon. If the
|
|
* %GTK_ICON_LOOKUP_USE_BUILTIN flag was passed
|
|
* to gtk_icon_theme_lookup_icon(), there may be
|
|
* no filename if a builtin icon is returned; in this
|
|
* case, you should use gtk_icon_info_get_builtin_pixbuf().
|
|
*
|
|
* Return value: (type filename): the filename for the icon, or %NULL
|
|
* if gtk_icon_info_get_builtin_pixbuf() should be used instead. The
|
|
* return value is owned by GTK+ and should not be modified or freed.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
const gchar *
|
|
gtk_icon_info_get_filename (GtkIconInfo *icon_info)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, NULL);
|
|
|
|
return icon_info->filename;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_builtin_pixbuf:
|
|
* @icon_info: a #GtkIconInfo structure
|
|
*
|
|
* Gets the built-in image for this icon, if any. To allow
|
|
* GTK+ to use built in icon images, you must pass the
|
|
* %GTK_ICON_LOOKUP_USE_BUILTIN to
|
|
* gtk_icon_theme_lookup_icon().
|
|
*
|
|
* Return value: (transfer none): the built-in image pixbuf, or %NULL. No
|
|
* extra reference is added to the returned pixbuf, so if
|
|
* you want to keep it around, you must use g_object_ref().
|
|
* The returned image must not be modified.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_info_get_builtin_pixbuf (GtkIconInfo *icon_info)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, NULL);
|
|
|
|
if (icon_info->filename)
|
|
return NULL;
|
|
|
|
return icon_info->cache_pixbuf;
|
|
}
|
|
|
|
static gboolean icon_info_ensure_scale_and_pixbuf (GtkIconInfo*, gboolean);
|
|
|
|
/* Combine the icon with all emblems, the first emblem is placed
|
|
* in the southeast corner. Scale emblems to be at most 3/4 of the
|
|
* size of the icon itself.
|
|
*/
|
|
static void
|
|
apply_emblems (GtkIconInfo *info)
|
|
{
|
|
GdkPixbuf *icon = NULL;
|
|
gint w, h, pos;
|
|
GSList *l;
|
|
|
|
if (info->emblem_infos == NULL)
|
|
return;
|
|
|
|
if (info->emblems_applied)
|
|
return;
|
|
|
|
w = gdk_pixbuf_get_width (info->pixbuf);
|
|
h = gdk_pixbuf_get_height (info->pixbuf);
|
|
|
|
for (l = info->emblem_infos, pos = 0; l; l = l->next, pos++)
|
|
{
|
|
GtkIconInfo *emblem_info = l->data;
|
|
|
|
if (icon_info_ensure_scale_and_pixbuf (emblem_info, FALSE))
|
|
{
|
|
GdkPixbuf *emblem = emblem_info->pixbuf;
|
|
gint ew, eh;
|
|
gint x = 0, y = 0; /* silence compiler */
|
|
gdouble scale;
|
|
|
|
ew = gdk_pixbuf_get_width (emblem);
|
|
eh = gdk_pixbuf_get_height (emblem);
|
|
if (ew >= w)
|
|
{
|
|
scale = 0.75;
|
|
ew = ew * 0.75;
|
|
eh = eh * 0.75;
|
|
}
|
|
else
|
|
scale = 1.0;
|
|
|
|
switch (pos % 4)
|
|
{
|
|
case 0:
|
|
x = w - ew;
|
|
y = h - eh;
|
|
break;
|
|
case 1:
|
|
x = w - ew;
|
|
y = 0;
|
|
break;
|
|
case 2:
|
|
x = 0;
|
|
y = h - eh;
|
|
break;
|
|
case 3:
|
|
x = 0;
|
|
y = 0;
|
|
break;
|
|
}
|
|
|
|
if (icon == NULL)
|
|
{
|
|
icon = gdk_pixbuf_copy (info->pixbuf);
|
|
if (icon == NULL)
|
|
break;
|
|
}
|
|
|
|
gdk_pixbuf_composite (emblem, icon, x, y, ew, eh, x, y,
|
|
scale, scale, GDK_INTERP_BILINEAR, 255);
|
|
}
|
|
}
|
|
|
|
if (icon)
|
|
{
|
|
g_object_unref (info->pixbuf);
|
|
info->pixbuf = icon;
|
|
}
|
|
|
|
info->emblems_applied = TRUE;
|
|
}
|
|
|
|
/* This function contains the complicated logic for deciding
|
|
* on the size at which to load the icon and loading it at
|
|
* that size.
|
|
*/
|
|
static gboolean
|
|
icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info,
|
|
gboolean scale_only)
|
|
{
|
|
int image_width, image_height;
|
|
GdkPixbuf *source_pixbuf;
|
|
gboolean is_svg;
|
|
|
|
/* First check if we already succeeded have the necessary
|
|
* information (or failed earlier)
|
|
*/
|
|
if (scale_only && icon_info->scale >= 0)
|
|
return TRUE;
|
|
|
|
if (icon_info->pixbuf)
|
|
{
|
|
apply_emblems (icon_info);
|
|
return TRUE;
|
|
}
|
|
|
|
if (icon_info->load_error)
|
|
return FALSE;
|
|
|
|
/* SVG icons are a special case - we just immediately scale them
|
|
* to the desired size
|
|
*/
|
|
if (icon_info->filename && !icon_info->loadable)
|
|
{
|
|
GFile *file;
|
|
|
|
file = g_file_new_for_path (icon_info->filename);
|
|
icon_info->loadable = G_LOADABLE_ICON (g_file_icon_new (file));
|
|
g_object_unref (file);
|
|
}
|
|
|
|
is_svg = FALSE;
|
|
if (G_IS_FILE_ICON (icon_info->loadable))
|
|
{
|
|
GFile *file;
|
|
GFileInfo *file_info;
|
|
const gchar *content_type;
|
|
|
|
file = g_file_icon_get_file (G_FILE_ICON (icon_info->loadable));
|
|
file_info = g_file_query_info (file,
|
|
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
|
|
G_FILE_QUERY_INFO_NONE,
|
|
NULL, NULL);
|
|
if (file_info)
|
|
{
|
|
content_type = g_file_info_get_content_type (file_info);
|
|
|
|
if (content_type && strcmp (content_type, "image/svg+xml") == 0)
|
|
is_svg = TRUE;
|
|
|
|
g_object_unref (file_info);
|
|
}
|
|
}
|
|
|
|
if (is_svg)
|
|
{
|
|
GInputStream *stream;
|
|
|
|
icon_info->scale = icon_info->desired_size / 1000.;
|
|
|
|
if (scale_only)
|
|
return TRUE;
|
|
|
|
stream = g_loadable_icon_load (icon_info->loadable,
|
|
icon_info->desired_size,
|
|
NULL, NULL,
|
|
&icon_info->load_error);
|
|
if (stream)
|
|
{
|
|
icon_info->pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
|
|
icon_info->desired_size,
|
|
icon_info->desired_size,
|
|
TRUE,
|
|
NULL,
|
|
&icon_info->load_error);
|
|
g_object_unref (stream);
|
|
}
|
|
|
|
if (!icon_info->pixbuf)
|
|
return FALSE;
|
|
|
|
apply_emblems (icon_info);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* In many cases, the scale can be determined without actual access
|
|
* to the icon file. This is generally true when we have a size
|
|
* for the directory where the icon is; the image size doesn't
|
|
* matter in that case.
|
|
*/
|
|
if (icon_info->forced_size)
|
|
icon_info->scale = -1;
|
|
else if (icon_info->dir_type == ICON_THEME_DIR_FIXED)
|
|
icon_info->scale = 1.0;
|
|
else if (icon_info->dir_type == ICON_THEME_DIR_THRESHOLD)
|
|
{
|
|
if (icon_info->desired_size >= icon_info->dir_size - icon_info->threshold &&
|
|
icon_info->desired_size <= icon_info->dir_size + icon_info->threshold)
|
|
icon_info->scale = 1.0;
|
|
else if (icon_info->dir_size > 0)
|
|
icon_info->scale =(gdouble) icon_info->desired_size / icon_info->dir_size;
|
|
}
|
|
else if (icon_info->dir_type == ICON_THEME_DIR_SCALABLE)
|
|
{
|
|
if (icon_info->dir_size > 0)
|
|
icon_info->scale = (gdouble) icon_info->desired_size / icon_info->dir_size;
|
|
}
|
|
|
|
if (icon_info->scale >= 0. && scale_only)
|
|
return TRUE;
|
|
|
|
/* At this point, we need to actually get the icon; either from the
|
|
* builtin image or by loading the file
|
|
*/
|
|
source_pixbuf = NULL;
|
|
if (icon_info->cache_pixbuf)
|
|
source_pixbuf = g_object_ref (icon_info->cache_pixbuf);
|
|
else
|
|
{
|
|
GInputStream *stream;
|
|
|
|
stream = g_loadable_icon_load (icon_info->loadable,
|
|
icon_info->desired_size,
|
|
NULL, NULL,
|
|
&icon_info->load_error);
|
|
if (stream)
|
|
{
|
|
source_pixbuf = gdk_pixbuf_new_from_stream (stream,
|
|
NULL,
|
|
&icon_info->load_error);
|
|
g_object_unref (stream);
|
|
}
|
|
}
|
|
|
|
if (!source_pixbuf)
|
|
return FALSE;
|
|
|
|
/* Do scale calculations that depend on the image size
|
|
*/
|
|
image_width = gdk_pixbuf_get_width (source_pixbuf);
|
|
image_height = gdk_pixbuf_get_height (source_pixbuf);
|
|
|
|
if (icon_info->scale < 0.0)
|
|
{
|
|
gint image_size = MAX (image_width, image_height);
|
|
if (image_size > 0)
|
|
icon_info->scale = (gdouble)icon_info->desired_size / (gdouble)image_size;
|
|
else
|
|
icon_info->scale = 1.0;
|
|
|
|
if (icon_info->dir_type == ICON_THEME_DIR_UNTHEMED &&
|
|
!icon_info->forced_size)
|
|
icon_info->scale = MIN (icon_info->scale, 1.0);
|
|
}
|
|
|
|
/* We don't short-circuit out here for scale_only, since, now
|
|
* we've loaded the icon, we might as well go ahead and finish
|
|
* the job. This is a bit of a waste when we scale here
|
|
* and never get the final pixbuf; at the cost of a bit of
|
|
* extra complexity, we could keep the source pixbuf around
|
|
* but not actually scale it until needed.
|
|
*/
|
|
if (icon_info->scale == 1.0)
|
|
icon_info->pixbuf = source_pixbuf;
|
|
else
|
|
{
|
|
icon_info->pixbuf = gdk_pixbuf_scale_simple (source_pixbuf,
|
|
0.5 + image_width * icon_info->scale,
|
|
0.5 + image_height * icon_info->scale,
|
|
GDK_INTERP_BILINEAR);
|
|
g_object_unref (source_pixbuf);
|
|
}
|
|
|
|
apply_emblems (icon_info);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_load_icon:
|
|
* @icon_info: a #GtkIconInfo structure from gtk_icon_theme_lookup_icon()
|
|
* @error: (allow-none): location to store error information on failure,
|
|
* or %NULL.
|
|
*
|
|
* Renders an icon previously looked up in an icon theme using
|
|
* gtk_icon_theme_lookup_icon(); the size will be based on the size
|
|
* passed to gtk_icon_theme_lookup_icon(). Note that the resulting
|
|
* pixbuf may not be exactly this size; an icon theme may have icons
|
|
* that differ slightly from their nominal sizes, and in addition GTK+
|
|
* will avoid scaling icons that it considers sufficiently close to the
|
|
* requested size or for which the source image would have to be scaled
|
|
* up too far. (This maintains sharpness.). This behaviour can be changed
|
|
* by passing the %GTK_ICON_LOOKUP_FORCE_SIZE flag when obtaining
|
|
* the #GtkIconInfo. If this flag has been specified, the pixbuf
|
|
* returned by this function will be scaled to the exact size.
|
|
*
|
|
* Return value: (transfer full): the rendered icon; this may be a newly
|
|
* created icon or a new reference to an internal icon, so you must
|
|
* not modify the icon. Use g_object_unref() to release your reference
|
|
* to the icon.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_info_load_icon (GtkIconInfo *icon_info,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, NULL);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
|
|
|
|
if (!icon_info_ensure_scale_and_pixbuf (icon_info, FALSE))
|
|
{
|
|
if (icon_info->load_error)
|
|
g_propagate_error (error, icon_info->load_error);
|
|
else
|
|
g_set_error_literal (error,
|
|
GTK_ICON_THEME_ERROR,
|
|
GTK_ICON_THEME_NOT_FOUND,
|
|
_("Failed to load icon"));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
return g_object_ref (icon_info->pixbuf);
|
|
}
|
|
|
|
static gchar *
|
|
gdk_color_to_css (GdkColor *color)
|
|
{
|
|
return g_strdup_printf ("rgb(%d,%d,%d)",
|
|
color->red >> 8,
|
|
color->green >> 8,
|
|
color->blue >> 8);
|
|
}
|
|
|
|
static gchar *
|
|
gdk_rgba_to_css (const GdkRGBA *color)
|
|
{
|
|
/* drop alpha for now, since librsvg does not understand rgba() */
|
|
return g_strdup_printf ("rgb(%d,%d,%d)",
|
|
(gint)(color->red * 255),
|
|
(gint)(color->green * 255),
|
|
(gint)(color->blue * 255));
|
|
}
|
|
|
|
static GdkPixbuf *
|
|
_gtk_icon_info_load_symbolic_internal (GtkIconInfo *icon_info,
|
|
const gchar *css_fg,
|
|
const gchar *css_success,
|
|
const gchar *css_warning,
|
|
const gchar *css_error,
|
|
GError **error)
|
|
{
|
|
GInputStream *stream;
|
|
GdkPixbuf *pixbuf;
|
|
gchar *data;
|
|
gchar *success, *warning, *err;
|
|
|
|
/* css_fg can't possibly have failed, otherwise
|
|
* that would mean we have a broken style */
|
|
g_return_val_if_fail (css_fg != NULL, NULL);
|
|
|
|
success = warning = err = NULL;
|
|
|
|
if (!css_success)
|
|
{
|
|
GdkColor success_default_color = { 0, 0x4e00, 0x9a00, 0x0600 };
|
|
success = gdk_color_to_css (&success_default_color);
|
|
}
|
|
if (!css_warning)
|
|
{
|
|
GdkColor warning_default_color = { 0, 0xf500, 0x7900, 0x3e00 };
|
|
warning = gdk_color_to_css (&warning_default_color);
|
|
}
|
|
if (!css_error)
|
|
{
|
|
GdkColor error_default_color = { 0, 0xcc00, 0x0000, 0x0000 };
|
|
err = gdk_color_to_css (&error_default_color);
|
|
}
|
|
|
|
|
|
data = g_strconcat ("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
|
|
"<svg version=\"1.1\"\n"
|
|
" xmlns=\"http://www.w3.org/2000/svg\"\n"
|
|
" xmlns:xi=\"http://www.w3.org/2001/XInclude\"\n"
|
|
" width=\"16\"\n"
|
|
" height=\"16\">\n"
|
|
" <style type=\"text/css\">\n"
|
|
" rect,path {\n"
|
|
" fill: ", css_fg," !important;\n"
|
|
" }\n"
|
|
" .warning {\n"
|
|
" fill: ", css_warning ? css_warning : warning," !important;\n"
|
|
" }\n"
|
|
" .error {\n"
|
|
" fill: ", css_error ? css_error : err," !important;\n"
|
|
" }\n"
|
|
" .success {\n"
|
|
" fill: ", css_success ? css_success : success," !important;\n"
|
|
" }\n"
|
|
" </style>\n"
|
|
" <xi:include href=\"", icon_info->filename, "\"/>\n"
|
|
"</svg>",
|
|
NULL);
|
|
g_free (warning);
|
|
g_free (err);
|
|
g_free (success);
|
|
|
|
stream = g_memory_input_stream_new_from_data (data, -1, g_free);
|
|
pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
|
|
icon_info->desired_size,
|
|
icon_info->desired_size,
|
|
TRUE,
|
|
NULL,
|
|
error);
|
|
g_object_unref (stream);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_load_symbolic:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @fg: a #GdkRGBA representing the foreground color of the icon
|
|
* @success_color: (allow-none): a #GdkRGBA representing the warning color
|
|
* of the icon or %NULL to use the default color
|
|
* @warning_color: (allow-none): a #GdkRGBA representing the warning color
|
|
* of the icon or %NULL to use the default color
|
|
* @error_color: (allow-none): a #GdkRGBA representing the error color
|
|
* of the icon or %NULL to use the default color (allow-none)
|
|
* @was_symbolic: (out) (allow-none): a #gboolean, returns whether the
|
|
* loaded icon was a symbolic one and whether the @fg color was
|
|
* applied to it.
|
|
* @error: (allow-none): location to store error information on failure,
|
|
* or %NULL.
|
|
*
|
|
* Loads an icon, modifying it to match the system colours for the foreground,
|
|
* success, warning and error colors provided. If the icon is not a symbolic
|
|
* one, the function will return the result from gtk_icon_info_load_icon().
|
|
*
|
|
* This allows loading symbolic icons that will match the system theme.
|
|
*
|
|
* Unless you are implementing a widget, you will want to use
|
|
* g_themed_icon_new_with_default_fallbacks() to load the icon.
|
|
*
|
|
* As implementation details, the icon loaded needs to be of SVG type,
|
|
* contain the "symbolic" term as the last component of the icon name,
|
|
* and use the 'fg', 'success', 'warning' and 'error' CSS styles in the
|
|
* SVG file itself.
|
|
*
|
|
* See the <ulink url="http://www.freedesktop.org/wiki/SymbolicIcons">Symbolic Icons spec</ulink>
|
|
* for more information about symbolic icons.
|
|
*
|
|
* Return value: (transfer full): a #GdkPixbuf representing the loaded icon
|
|
*
|
|
* Since: 3.0
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_info_load_symbolic (GtkIconInfo *icon_info,
|
|
const GdkRGBA *fg,
|
|
const GdkRGBA *success_color,
|
|
const GdkRGBA *warning_color,
|
|
const GdkRGBA *error_color,
|
|
gboolean *was_symbolic,
|
|
GError **error)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
gchar *css_fg;
|
|
gchar *css_success;
|
|
gchar *css_warning;
|
|
gchar *css_error;
|
|
|
|
g_return_val_if_fail (fg != NULL, NULL);
|
|
|
|
if (!icon_info->filename ||
|
|
!g_str_has_suffix (icon_info->filename, "-symbolic.svg"))
|
|
{
|
|
if (was_symbolic)
|
|
*was_symbolic = FALSE;
|
|
return gtk_icon_info_load_icon (icon_info, error);
|
|
}
|
|
|
|
if (was_symbolic)
|
|
*was_symbolic = TRUE;
|
|
|
|
css_fg = gdk_rgba_to_css (fg);
|
|
|
|
css_success = css_warning = css_error = NULL;
|
|
|
|
if (warning_color)
|
|
css_warning = gdk_rgba_to_css (warning_color);
|
|
|
|
if (error_color)
|
|
css_error = gdk_rgba_to_css (error_color);
|
|
|
|
if (success_color)
|
|
css_success = gdk_rgba_to_css (success_color);
|
|
|
|
pixbuf = _gtk_icon_info_load_symbolic_internal (icon_info,
|
|
css_fg, css_success,
|
|
css_warning, css_error,
|
|
error);
|
|
g_free (css_fg);
|
|
g_free (css_warning);
|
|
g_free (css_success);
|
|
g_free (css_error);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_load_symbolic_for_context:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @context: a #GtkStyleContext
|
|
* @was_symbolic: (out) (allow-none): a #gboolean, returns whether the
|
|
* loaded icon was a symbolic one and whether the @fg color was
|
|
* applied to it.
|
|
* @error: (allow-none): location to store error information on failure,
|
|
* or %NULL.
|
|
*
|
|
* Loads an icon, modifying it to match the system colors for the foreground,
|
|
* success, warning and error colors provided. If the icon is not a symbolic
|
|
* one, the function will return the result from gtk_icon_info_load_icon().
|
|
* This function uses the regular foreground color and the symbolic colors
|
|
* with the names "success_color", "warning_color" and "error_color" from
|
|
* the context.
|
|
*
|
|
* This allows loading symbolic icons that will match the system theme.
|
|
*
|
|
* See gtk_icon_info_load_symbolic() for more details.
|
|
*
|
|
* Return value: (transfer full): a #GdkPixbuf representing the loaded icon
|
|
*
|
|
* Since: 3.0
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_info_load_symbolic_for_context (GtkIconInfo *icon_info,
|
|
GtkStyleContext *context,
|
|
gboolean *was_symbolic,
|
|
GError **error)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
GdkRGBA *color = NULL;
|
|
GdkRGBA rgba;
|
|
gchar *css_fg = NULL, *css_success;
|
|
gchar *css_warning, *css_error;
|
|
GtkStateFlags state;
|
|
|
|
if (!icon_info->filename ||
|
|
!g_str_has_suffix (icon_info->filename, "-symbolic.svg"))
|
|
{
|
|
if (was_symbolic)
|
|
*was_symbolic = FALSE;
|
|
return gtk_icon_info_load_icon (icon_info, error);
|
|
}
|
|
|
|
if (was_symbolic)
|
|
*was_symbolic = TRUE;
|
|
|
|
state = gtk_style_context_get_state (context);
|
|
gtk_style_context_get (context, state, "color", &color, NULL);
|
|
if (color)
|
|
{
|
|
css_fg = gdk_rgba_to_css (color);
|
|
gdk_rgba_free (color);
|
|
}
|
|
|
|
css_success = css_warning = css_error = NULL;
|
|
|
|
if (gtk_style_context_lookup_color (context, "success_color", &rgba))
|
|
css_success = gdk_rgba_to_css (&rgba);
|
|
|
|
if (gtk_style_context_lookup_color (context, "warning_color", &rgba))
|
|
css_warning = gdk_rgba_to_css (&rgba);
|
|
|
|
if (gtk_style_context_lookup_color (context, "error_color", &rgba))
|
|
css_error = gdk_rgba_to_css (&rgba);
|
|
|
|
pixbuf = _gtk_icon_info_load_symbolic_internal (icon_info,
|
|
css_fg, css_success,
|
|
css_warning, css_error,
|
|
error);
|
|
|
|
g_free (css_fg);
|
|
g_free (css_success);
|
|
g_free (css_warning);
|
|
g_free (css_error);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_load_symbolic_for_style:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @style: a #GtkStyle to take the colors from
|
|
* @state: the widget state to use for colors
|
|
* @was_symbolic: (out) (allow-none): a #gboolean, returns whether the
|
|
* loaded icon was a symbolic one and whether the @fg color was
|
|
* applied to it.
|
|
* @error: (allow-none): location to store error information on failure,
|
|
* or %NULL.
|
|
*
|
|
* Loads an icon, modifying it to match the system colours for the foreground,
|
|
* success, warning and error colors provided. If the icon is not a symbolic
|
|
* one, the function will return the result from gtk_icon_info_load_icon().
|
|
*
|
|
* This allows loading symbolic icons that will match the system theme.
|
|
*
|
|
* See gtk_icon_info_load_symbolic() for more details.
|
|
*
|
|
* Return value: (transfer full): a #GdkPixbuf representing the loaded icon
|
|
*
|
|
* Since: 3.0
|
|
*
|
|
* Deprecated: 3.0: Use gtk_icon_info_load_symbolic_for_context() instead
|
|
**/
|
|
GdkPixbuf *
|
|
gtk_icon_info_load_symbolic_for_style (GtkIconInfo *icon_info,
|
|
GtkStyle *style,
|
|
GtkStateType state,
|
|
gboolean *was_symbolic,
|
|
GError **error)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
GdkColor success_color;
|
|
GdkColor warning_color;
|
|
GdkColor error_color;
|
|
GdkColor *fg;
|
|
gchar *css_fg, *css_success;
|
|
gchar *css_warning, *css_error;
|
|
|
|
if (!icon_info->filename ||
|
|
!g_str_has_suffix (icon_info->filename, "-symbolic.svg"))
|
|
{
|
|
if (was_symbolic)
|
|
*was_symbolic = FALSE;
|
|
return gtk_icon_info_load_icon (icon_info, error);
|
|
}
|
|
|
|
if (was_symbolic)
|
|
*was_symbolic = TRUE;
|
|
|
|
fg = &style->fg[state];
|
|
css_fg = gdk_color_to_css (fg);
|
|
|
|
css_success = css_warning = css_error = NULL;
|
|
|
|
if (gtk_style_lookup_color (style, "success_color", &success_color))
|
|
css_success = gdk_color_to_css (&success_color);
|
|
|
|
if (gtk_style_lookup_color (style, "warning_color", &warning_color))
|
|
css_warning = gdk_color_to_css (&warning_color);
|
|
|
|
if (gtk_style_lookup_color (style, "error_color", &error_color))
|
|
css_error = gdk_color_to_css (&error_color);
|
|
|
|
pixbuf = _gtk_icon_info_load_symbolic_internal (icon_info,
|
|
css_fg, css_success,
|
|
css_warning, css_error,
|
|
error);
|
|
|
|
g_free (css_fg);
|
|
g_free (css_success);
|
|
g_free (css_warning);
|
|
g_free (css_error);
|
|
|
|
return pixbuf;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_set_raw_coordinates:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @raw_coordinates: whether the coordinates of embedded rectangles
|
|
* and attached points should be returned in their original
|
|
* (unscaled) form.
|
|
*
|
|
* Sets whether the coordinates returned by gtk_icon_info_get_embedded_rect()
|
|
* and gtk_icon_info_get_attach_points() should be returned in their
|
|
* original form as specified in the icon theme, instead of scaled
|
|
* appropriately for the pixbuf returned by gtk_icon_info_load_icon().
|
|
*
|
|
* Raw coordinates are somewhat strange; they are specified to be with
|
|
* respect to the unscaled pixmap for PNG and XPM icons, but for SVG
|
|
* icons, they are in a 1000x1000 coordinate space that is scaled
|
|
* to the final size of the icon. You can determine if the icon is an SVG
|
|
* icon by using gtk_icon_info_get_filename(), and seeing if it is non-%NULL
|
|
* and ends in '.svg'.
|
|
*
|
|
* This function is provided primarily to allow compatibility wrappers
|
|
* for older API's, and is not expected to be useful for applications.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_info_set_raw_coordinates (GtkIconInfo *icon_info,
|
|
gboolean raw_coordinates)
|
|
{
|
|
g_return_if_fail (icon_info != NULL);
|
|
|
|
icon_info->raw_coordinates = raw_coordinates != FALSE;
|
|
}
|
|
|
|
/* Scale coordinates from the icon data prior to returning
|
|
* them to the user.
|
|
*/
|
|
static gboolean
|
|
icon_info_scale_point (GtkIconInfo *icon_info,
|
|
gint x,
|
|
gint y,
|
|
gint *x_out,
|
|
gint *y_out)
|
|
{
|
|
if (icon_info->raw_coordinates)
|
|
{
|
|
*x_out = x;
|
|
*y_out = y;
|
|
}
|
|
else
|
|
{
|
|
if (!icon_info_ensure_scale_and_pixbuf (icon_info, TRUE))
|
|
return FALSE;
|
|
|
|
*x_out = 0.5 + x * icon_info->scale;
|
|
*y_out = 0.5 + y * icon_info->scale;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_embedded_rect:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @rectangle: (out): #GdkRectangle in which to store embedded
|
|
* rectangle coordinates; coordinates are only stored
|
|
* when this function returns %TRUE.
|
|
*
|
|
* Gets the coordinates of a rectangle within the icon
|
|
* that can be used for display of information such
|
|
* as a preview of the contents of a text file.
|
|
* See gtk_icon_info_set_raw_coordinates() for further
|
|
* information about the coordinate system.
|
|
*
|
|
* Return value: %TRUE if the icon has an embedded rectangle
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
gboolean
|
|
gtk_icon_info_get_embedded_rect (GtkIconInfo *icon_info,
|
|
GdkRectangle *rectangle)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, FALSE);
|
|
|
|
if (icon_info->data && icon_info->data->has_embedded_rect &&
|
|
icon_info_ensure_scale_and_pixbuf (icon_info, TRUE))
|
|
{
|
|
gint scaled_x0, scaled_y0;
|
|
gint scaled_x1, scaled_y1;
|
|
|
|
if (rectangle)
|
|
{
|
|
icon_info_scale_point (icon_info,
|
|
icon_info->data->x0, icon_info->data->y0,
|
|
&scaled_x0, &scaled_y0);
|
|
icon_info_scale_point (icon_info,
|
|
icon_info->data->x1, icon_info->data->y1,
|
|
&scaled_x1, &scaled_y1);
|
|
|
|
rectangle->x = scaled_x0;
|
|
rectangle->y = scaled_y0;
|
|
rectangle->width = scaled_x1 - rectangle->x;
|
|
rectangle->height = scaled_y1 - rectangle->y;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_attach_points:
|
|
* @icon_info: a #GtkIconInfo
|
|
* @points: (allow-none) (array length=n_points) (out): location to store pointer to an array of points, or %NULL
|
|
* free the array of points with g_free().
|
|
* @n_points: (allow-none): location to store the number of points in @points, or %NULL
|
|
*
|
|
* Fetches the set of attach points for an icon. An attach point
|
|
* is a location in the icon that can be used as anchor points for attaching
|
|
* emblems or overlays to the icon.
|
|
*
|
|
* Return value: %TRUE if there are any attach points for the icon.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
gboolean
|
|
gtk_icon_info_get_attach_points (GtkIconInfo *icon_info,
|
|
GdkPoint **points,
|
|
gint *n_points)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, FALSE);
|
|
|
|
if (icon_info->data && icon_info->data->n_attach_points &&
|
|
icon_info_ensure_scale_and_pixbuf (icon_info, TRUE))
|
|
{
|
|
if (points)
|
|
{
|
|
gint i;
|
|
|
|
*points = g_new (GdkPoint, icon_info->data->n_attach_points);
|
|
for (i = 0; i < icon_info->data->n_attach_points; i++)
|
|
icon_info_scale_point (icon_info,
|
|
icon_info->data->attach_points[i].x,
|
|
icon_info->data->attach_points[i].y,
|
|
&(*points)[i].x,
|
|
&(*points)[i].y);
|
|
}
|
|
|
|
if (n_points)
|
|
*n_points = icon_info->data->n_attach_points;
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
if (points)
|
|
*points = NULL;
|
|
if (n_points)
|
|
*n_points = 0;
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_get_display_name:
|
|
* @icon_info: a #GtkIconInfo
|
|
*
|
|
* Gets the display name for an icon. A display name is a
|
|
* string to be used in place of the icon name in a user
|
|
* visible context like a list of icons.
|
|
*
|
|
* Return value: the display name for the icon or %NULL, if
|
|
* the icon doesn't have a specified display name. This value
|
|
* is owned @icon_info and must not be modified or free.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
const gchar *
|
|
gtk_icon_info_get_display_name (GtkIconInfo *icon_info)
|
|
{
|
|
g_return_val_if_fail (icon_info != NULL, NULL);
|
|
|
|
if (icon_info->data)
|
|
return icon_info->data->display_name;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Builtin icons
|
|
*/
|
|
|
|
|
|
/**
|
|
* gtk_icon_theme_add_builtin_icon:
|
|
* @icon_name: the name of the icon to register
|
|
* @size: the size at which to register the icon (different
|
|
* images can be registered for the same icon name
|
|
* at different sizes.)
|
|
* @pixbuf: #GdkPixbuf that contains the image to use
|
|
* for @icon_name.
|
|
*
|
|
* Registers a built-in icon for icon theme lookups. The idea
|
|
* of built-in icons is to allow an application or library
|
|
* that uses themed icons to function requiring files to
|
|
* be present in the file system. For instance, the default
|
|
* images for all of GTK+'s stock icons are registered
|
|
* as built-icons.
|
|
*
|
|
* In general, if you use gtk_icon_theme_add_builtin_icon()
|
|
* you should also install the icon in the icon theme, so
|
|
* that the icon is generally available.
|
|
*
|
|
* This function will generally be used with pixbufs loaded
|
|
* via gdk_pixbuf_new_from_inline().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_icon_theme_add_builtin_icon (const gchar *icon_name,
|
|
gint size,
|
|
GdkPixbuf *pixbuf)
|
|
{
|
|
BuiltinIcon *default_icon;
|
|
GSList *icons;
|
|
gpointer key;
|
|
|
|
g_return_if_fail (icon_name != NULL);
|
|
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
|
|
|
|
if (!icon_theme_builtin_icons)
|
|
icon_theme_builtin_icons = g_hash_table_new (g_str_hash, g_str_equal);
|
|
|
|
icons = g_hash_table_lookup (icon_theme_builtin_icons, icon_name);
|
|
if (!icons)
|
|
key = g_strdup (icon_name);
|
|
else
|
|
key = (gpointer)icon_name; /* Won't get stored */
|
|
|
|
default_icon = g_new (BuiltinIcon, 1);
|
|
default_icon->size = size;
|
|
default_icon->pixbuf = g_object_ref (pixbuf);
|
|
icons = g_slist_prepend (icons, default_icon);
|
|
|
|
/* Replaces value, leaves key untouched
|
|
*/
|
|
g_hash_table_insert (icon_theme_builtin_icons, key, icons);
|
|
}
|
|
|
|
/* Look up a builtin icon; the min_difference_p and
|
|
* has_larger_p out parameters allow us to combine
|
|
* this lookup with searching through the actual directories
|
|
* of the "hicolor" icon theme. See theme_lookup_icon()
|
|
* for how they are used.
|
|
*/
|
|
static BuiltinIcon *
|
|
find_builtin_icon (const gchar *icon_name,
|
|
gint size,
|
|
gint *min_difference_p,
|
|
gboolean *has_larger_p)
|
|
{
|
|
GSList *icons = NULL;
|
|
gint min_difference = G_MAXINT;
|
|
gboolean has_larger = FALSE;
|
|
BuiltinIcon *min_icon = NULL;
|
|
|
|
if (!icon_theme_builtin_icons)
|
|
return NULL;
|
|
|
|
icons = g_hash_table_lookup (icon_theme_builtin_icons, icon_name);
|
|
|
|
while (icons)
|
|
{
|
|
BuiltinIcon *default_icon = icons->data;
|
|
int min, max, difference;
|
|
gboolean smaller;
|
|
|
|
min = default_icon->size - 2;
|
|
max = default_icon->size + 2;
|
|
smaller = size < min;
|
|
if (size < min)
|
|
difference = min - size;
|
|
else if (size > max)
|
|
difference = size - max;
|
|
else
|
|
difference = 0;
|
|
|
|
if (difference == 0)
|
|
{
|
|
min_icon = default_icon;
|
|
break;
|
|
}
|
|
|
|
if (!has_larger)
|
|
{
|
|
if (difference < min_difference || smaller)
|
|
{
|
|
min_difference = difference;
|
|
min_icon = default_icon;
|
|
has_larger = smaller;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (difference < min_difference && smaller)
|
|
{
|
|
min_difference = difference;
|
|
min_icon = default_icon;
|
|
}
|
|
}
|
|
|
|
icons = icons->next;
|
|
}
|
|
|
|
if (min_difference_p)
|
|
*min_difference_p = min_difference;
|
|
if (has_larger_p)
|
|
*has_larger_p = has_larger;
|
|
|
|
return min_icon;
|
|
}
|
|
|
|
void
|
|
_gtk_icon_theme_check_reload (GdkDisplay *display)
|
|
{
|
|
gint n_screens, i;
|
|
GdkScreen *screen;
|
|
GtkIconTheme *icon_theme;
|
|
|
|
n_screens = gdk_display_get_n_screens (display);
|
|
|
|
for (i = 0; i < n_screens; i++)
|
|
{
|
|
screen = gdk_display_get_screen (display, i);
|
|
|
|
icon_theme = g_object_get_data (G_OBJECT (screen), "gtk-icon-theme");
|
|
if (icon_theme)
|
|
{
|
|
icon_theme->priv->check_reload = TRUE;
|
|
ensure_valid_themes (icon_theme);
|
|
icon_theme->priv->check_reload = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_icon_theme_lookup_by_gicon:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @icon: the #GIcon to look up
|
|
* @size: desired icon size
|
|
* @flags: flags modifying the behavior of the icon lookup
|
|
*
|
|
* Looks up an icon and returns a structure containing
|
|
* information such as the filename of the icon.
|
|
* The icon can then be rendered into a pixbuf using
|
|
* gtk_icon_info_load_icon().
|
|
*
|
|
* Return value: a #GtkIconInfo structure containing
|
|
* information about the icon, or %NULL if the icon
|
|
* wasn't found. Free with gtk_icon_info_free()
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
GtkIconInfo *
|
|
gtk_icon_theme_lookup_by_gicon (GtkIconTheme *icon_theme,
|
|
GIcon *icon,
|
|
gint size,
|
|
GtkIconLookupFlags flags)
|
|
{
|
|
GtkIconInfo *info;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
g_return_val_if_fail (G_IS_ICON (icon), NULL);
|
|
|
|
if (G_IS_LOADABLE_ICON (icon))
|
|
{
|
|
info = icon_info_new ();
|
|
info->loadable = G_LOADABLE_ICON (g_object_ref (icon));
|
|
|
|
if (G_IS_FILE_ICON (icon))
|
|
{
|
|
GFile *file = g_file_icon_get_file (G_FILE_ICON (icon));
|
|
if (file != NULL)
|
|
info->filename = g_file_get_path (file);
|
|
}
|
|
|
|
info->dir_type = ICON_THEME_DIR_UNTHEMED;
|
|
info->dir_size = size;
|
|
info->desired_size = size;
|
|
info->threshold = 2;
|
|
info->forced_size = (flags & GTK_ICON_LOOKUP_FORCE_SIZE) != 0;
|
|
|
|
return info;
|
|
}
|
|
else if (G_IS_THEMED_ICON (icon))
|
|
{
|
|
const gchar **names;
|
|
|
|
names = (const gchar **)g_themed_icon_get_names (G_THEMED_ICON (icon));
|
|
info = gtk_icon_theme_choose_icon (icon_theme, names, size, flags);
|
|
|
|
return info;
|
|
}
|
|
else if (G_IS_EMBLEMED_ICON (icon))
|
|
{
|
|
GIcon *base, *emblem;
|
|
GList *list, *l;
|
|
GtkIconInfo *emblem_info;
|
|
|
|
if (GTK_IS_NUMERABLE_ICON (icon))
|
|
_gtk_numerable_icon_set_background_icon_size (GTK_NUMERABLE_ICON (icon), size / 2);
|
|
|
|
base = g_emblemed_icon_get_icon (G_EMBLEMED_ICON (icon));
|
|
info = gtk_icon_theme_lookup_by_gicon (icon_theme, base, size, flags);
|
|
if (info)
|
|
{
|
|
list = g_emblemed_icon_get_emblems (G_EMBLEMED_ICON (icon));
|
|
for (l = list; l; l = l->next)
|
|
{
|
|
emblem = g_emblem_get_icon (G_EMBLEM (l->data));
|
|
/* always force size for emblems */
|
|
emblem_info = gtk_icon_theme_lookup_by_gicon (icon_theme, emblem, size / 2, flags | GTK_ICON_LOOKUP_FORCE_SIZE);
|
|
if (emblem_info)
|
|
info->emblem_infos = g_slist_prepend (info->emblem_infos, emblem_info);
|
|
}
|
|
}
|
|
|
|
return info;
|
|
}
|
|
else if (GDK_IS_PIXBUF (icon))
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
|
|
pixbuf = GDK_PIXBUF (icon);
|
|
|
|
if ((flags & GTK_ICON_LOOKUP_FORCE_SIZE) != 0)
|
|
{
|
|
gint width, height, max;
|
|
gdouble scale;
|
|
GdkPixbuf *scaled;
|
|
|
|
width = gdk_pixbuf_get_width (pixbuf);
|
|
height = gdk_pixbuf_get_height (pixbuf);
|
|
max = MAX (width, height);
|
|
scale = (gdouble) size / (gdouble) max;
|
|
|
|
scaled = gdk_pixbuf_scale_simple (pixbuf,
|
|
0.5 + width * scale,
|
|
0.5 + height * scale,
|
|
GDK_INTERP_BILINEAR);
|
|
|
|
info = gtk_icon_info_new_for_pixbuf (icon_theme, scaled);
|
|
|
|
g_object_unref (scaled);
|
|
}
|
|
else
|
|
{
|
|
info = gtk_icon_info_new_for_pixbuf (icon_theme, pixbuf);
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* gtk_icon_info_new_for_pixbuf:
|
|
* @icon_theme: a #GtkIconTheme
|
|
* @pixbuf: the pixbuf to wrap in a #GtkIconInfo
|
|
*
|
|
* Creates a #GtkIconInfo for a #GdkPixbuf.
|
|
*
|
|
* Returns: a #GtkIconInfo
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
GtkIconInfo *
|
|
gtk_icon_info_new_for_pixbuf (GtkIconTheme *icon_theme,
|
|
GdkPixbuf *pixbuf)
|
|
{
|
|
GtkIconInfo *info;
|
|
|
|
g_return_val_if_fail (GTK_IS_ICON_THEME (icon_theme), NULL);
|
|
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
|
|
|
|
info = icon_info_new ();
|
|
info->pixbuf = g_object_ref (pixbuf);
|
|
info->scale = 1.0;
|
|
info->dir_type = ICON_THEME_DIR_UNTHEMED;
|
|
|
|
return info;
|
|
}
|