#ifndef S_ISDIR
#define S_ISDIR(mode) ((mode)&_S_IFDIR)
#endif
+#define WIN32_MEAN_AND_LEAN
+#include <windows.h>
+#include "win32/gdkwin32.h"
#endif /* G_OS_WIN32 */
#include "gtkicontheme.h"
*/
gchar *cp_filename;
#endif
+ GLoadableIcon *loadable;
+
/* Cache pixbuf (if there is any) */
GdkPixbuf *cache_pixbuf;
/* Parameters influencing the scaled icon
*/
gint desired_size;
- gboolean raw_coordinates;
+ guint raw_coordinates : 1;
+ guint forced_size : 1;
/* Cached information if we go ahead and try to load
* the icon.
GdkPixbuf *pixbuf;
GError *load_error;
gdouble scale;
+
+ guint ref_count;
};
typedef struct
char *dir;
char *subdir;
+ int subdir_index;
GtkIconCache *cache;
IconThemeDir *dir;
static IconThemeDir dirs[5] =
{
- { ICON_THEME_DIR_THRESHOLD, 0, 16, 16, 16, 2, NULL, "16", NULL, NULL, NULL },
- { ICON_THEME_DIR_THRESHOLD, 0, 20, 20, 20, 2, NULL, "20", NULL, NULL, NULL },
- { ICON_THEME_DIR_THRESHOLD, 0, 24, 24, 24, 2, NULL, "24", NULL, NULL, NULL },
- { ICON_THEME_DIR_THRESHOLD, 0, 32, 32, 32, 2, NULL, "32", NULL, NULL, NULL },
- { ICON_THEME_DIR_THRESHOLD, 0, 48, 48, 48, 2, NULL, "48", NULL, NULL, NULL }
+ { 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;
{
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);
}
priv->loading_themes = FALSE;
}
-/**
- * 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)
+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;
+ UnthemedIcon *unthemed_icon = NULL;
gboolean allow_svg;
gboolean use_builtin;
- gboolean generic_fallback;
-
- 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);
+ gint i;
priv = icon_theme->priv;
- GTK_NOTE (ICONTHEME,
- g_print ("gtk_icon_theme_lookup_icon %s\n", icon_name));
if (flags & GTK_ICON_LOOKUP_NO_SVG)
allow_svg = FALSE;
else if (flags & GTK_ICON_LOOKUP_FORCE_SVG)
allow_svg = priv->pixbuf_supports_svg;
use_builtin = flags & GTK_ICON_LOOKUP_USE_BUILTIN;
- generic_fallback = flags & GTK_ICON_LOOKUP_GENERIC_FALLBACK;
ensure_valid_themes (icon_theme);
{
IconTheme *theme = l->data;
- gchar *name = g_strdup (icon_name);
- gchar *s;
-
- while (TRUE)
+ for (i = 0; icon_names[i]; i++)
{
- icon_info = theme_lookup_icon (theme, name, size, allow_svg, use_builtin);
- if (icon_info || !generic_fallback)
- break;
-
- s = strrchr (name, '-');
- if (!s)
- break;
-
- *s = '\0';
+ icon_info = theme_lookup_icon (theme, icon_names[i], size, allow_svg, use_builtin);
+ if (icon_info)
+ goto out;
}
+ }
- g_free (name);
-
- 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
- unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_name);
if (unthemed_icon)
{
icon_info = icon_info_new ();
#endif
icon_info->dir_type = ICON_THEME_DIR_UNTHEMED;
+ icon_info->dir_size = size;
}
out:
- if (icon_info)
- icon_info->desired_size = size;
+ 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;
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_name, DEFAULT_THEME_NAME, "http://icon-theme.freedesktop.org/releases");
+ 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: %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)
(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);
+ 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,
{
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)
{
{
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)
{
{
suffix = (IconSuffix)_gtk_icon_cache_get_icon_flags (dir->cache,
icon_name,
- dir->subdir);
+ dir->subdir_index);
if (has_icon_file)
*has_icon_file = suffix & HAS_ICON_FILE;
/* Builtin icons are logically part of the default theme and
* are searched before other subdirectories of the default theme.
*/
- if (strcmp (theme->name, DEFAULT_THEME_NAME) == 0 && use_builtin)
+ if (use_builtin && strcmp (theme->name, DEFAULT_THEME_NAME) == 0)
{
closest_builtin = find_builtin_icon (icon_name,
size,
{
dir = l->data;
- GTK_NOTE (ICONTHEME,
+ 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)
suffix = best_suffix (suffix, allow_svg);
g_assert (suffix != ICON_SUFFIX_NONE);
- file = g_strconcat (icon_name, string_from_suffix (suffix), NULL);
- icon_info->filename = g_build_filename (min_dir->dir, file, NULL);
- g_free (file);
+ 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);
#ifdef G_OS_WIN32
- icon_info->cp_filename = g_locale_from_utf8 (icon_info->filename,
+ icon_info->cp_filename = g_locale_from_utf8 (icon_info->filename,
-1, NULL, NULL, NULL);
#endif
+ }
+ else
+ {
+ icon_info->filename = NULL;
+#ifdef G_OS_WIN32
+ icon_info->cp_filename = NULL;
+#endif
+ }
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);
+ 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)
if (min_dir->cache)
{
icon_info->cache_pixbuf = _gtk_icon_cache_get_icon (min_dir->cache, icon_name,
- min_dir->subdir);
+ min_dir->subdir_index);
}
icon_info->dir_type = min_dir->type;
dir = l->data;
context = g_quark_to_string (dir->context);
- g_hash_table_replace (contexts, context, NULL);
+ g_hash_table_replace (contexts, (gpointer) context, NULL);
l = l->next;
}
base_name = strip_suffix (name);
hash_suffix = GPOINTER_TO_INT (g_hash_table_lookup (dir->icons, base_name));
- g_hash_table_insert (icon_theme->all_icons, base_name, NULL);
+ g_hash_table_replace (icon_theme->all_icons, base_name, NULL);
g_hash_table_replace (dir->icons, base_name, GUINT_TO_POINTER (hash_suffix| suffix));
}
dir->icon_data = NULL;
dir->subdir = g_strdup (subdir);
if (dir_mtime->cache != NULL)
- dir->cache = _gtk_icon_cache_ref (dir_mtime->cache);
+ {
+ 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);
}
GtkIconInfo *icon_info = g_slice_new0 (GtkIconInfo);
icon_info->scale = -1.;
+ icon_info->ref_count = 1;
return icon_info;
}
icon_info->dir_type = ICON_THEME_DIR_THRESHOLD;
icon_info->dir_size = icon->size;
icon_info->threshold = 2;
-
+
return icon_info;
}
GtkIconInfo *
gtk_icon_info_copy (GtkIconInfo *icon_info)
{
- GtkIconInfo *copy;
g_return_val_if_fail (icon_info != NULL, NULL);
- copy = memcpy (g_slice_new (GtkIconInfo), icon_info, sizeof (GtkIconInfo));
- if (copy->cache_pixbuf)
- g_object_ref (copy->cache_pixbuf);
- if (copy->pixbuf)
- g_object_ref (copy->pixbuf);
- if (copy->load_error)
- copy->load_error = g_error_copy (copy->load_error);
- if (copy->filename)
- copy->filename = g_strdup (copy->filename);
-#ifdef G_OS_WIN32
- if (copy->cp_filename)
- copy->cp_filename = g_strdup (copy->cp_filename);
-#endif
+ icon_info->ref_count++;
- return copy;
+ return 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);
#ifdef G_OS_WIN32
g_free (icon_info->cp_filename);
#endif
+ if (icon_info->loadable)
+ g_object_unref (icon_info->loadable);
if (icon_info->pixbuf)
g_object_unref (icon_info->pixbuf);
if (icon_info->cache_pixbuf)
return icon_info->cache_pixbuf;
}
-static GdkPixbuf *
-load_svg_at_size (const gchar *filename,
- gint size,
- GError **error)
-{
- GdkPixbuf *pixbuf = NULL;
- GdkPixbufLoader *loader = NULL;
- gchar *contents = NULL;
- gsize length;
-
- if (!g_file_get_contents (filename,
- &contents, &length, error))
- goto bail;
-
- loader = gdk_pixbuf_loader_new_with_type ("svg", error);
- if (loader == NULL)
- goto bail;
-
- gdk_pixbuf_loader_set_size (loader, size, size);
-
- if (!gdk_pixbuf_loader_write (loader, contents, length, error))
- {
- gdk_pixbuf_loader_close (loader, NULL);
- goto bail;
- }
-
- if (!gdk_pixbuf_loader_close (loader, error))
- goto bail;
-
- pixbuf = g_object_ref (gdk_pixbuf_loader_get_pixbuf (loader));
-
- bail:
- if (loader)
- g_object_unref (loader);
- g_free (contents);
-
- return pixbuf;
-}
-
-/* This function contains the complicatd logic for deciding
+/* 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)
+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)
/* SVG icons are a special case - we just immediately scale them
* to the desired size
*/
- if (icon_info->filename && g_str_has_suffix (icon_info->filename, ".svg"))
+ 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;
- icon_info->pixbuf = load_svg_at_size (icon_info->filename,
- icon_info->desired_size,
- &icon_info->load_error);
+ 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);
+ }
return icon_info->pixbuf != NULL;
}
* for the directory where the icon is; the image size doesn't
* matter in that case.
*/
- if (icon_info->dir_type == ICON_THEME_DIR_FIXED)
+ 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)
{
/* 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;
- source_pixbuf = gdk_pixbuf_new_from_file (icon_info->filename,
- &icon_info->load_error);
- if (!source_pixbuf)
- return FALSE;
+ 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);
{
gint image_size = MAX (image_width, image_height);
if (image_size > 0)
- icon_info->scale = icon_info->desired_size / (gdouble)image_size;
+ 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)
+ if (icon_info->dir_type == ICON_THEME_DIR_UNTHEMED &&
+ !icon_info->forced_size)
icon_info->scale = MIN (icon_info->scale, 1.0);
}
* 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
* 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.)
+ * 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: the rendered icon; this may be a newly created icon
* or a new reference to an internal icon, so you must not modify
gtk_icon_info_load_icon (GtkIconInfo *icon_info,
GError **error)
{
- g_return_val_if_fail (icon_info != NULL, NULL);
-
g_return_val_if_fail (icon_info != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
- icon_info_ensure_scale_and_pixbuf (icon_info, FALSE);
-
- if (icon_info->load_error)
+ if (!icon_info_ensure_scale_and_pixbuf (icon_info, FALSE))
{
- g_propagate_error (error, icon_info->load_error);
+ if (icon_info->load_error)
+ g_propagate_error (error, icon_info->load_error);
+ else
+ g_set_error (error,
+ GTK_ICON_THEME_ERROR,
+ GTK_ICON_THEME_NOT_FOUND,
+ _("Failed to load icon"));
+
return NULL;
}
}
}
+/**
+ * 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));
+
+ 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;
+ }
+
+ 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 #GtkPixbuf.
+ *
+ * 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;
+}
+
#ifdef G_OS_WIN32
/* DLL ABI stability backward compatibility versions */
projects / ~andy / gtk / blobdiff