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Add a function to look up an icon from a list of icon names. (#396901,

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2007-05-18  Matthias Clasen  <mclasen@redhat.com>

        * gtk/gtk.symbols:
        * gtk/gtkicontheme.h:
        * gtk/gtkicontheme.c: Add a function to look up an icon from
        a list of icon names.  (#396901, Luca Ferretti)



svn path=/trunk/; revision=17868
This commit is contained in:
Matthias Clasen 2007-05-18 20:19:12 +00:00 committed by Matthias Clasen
parent 52119349f6
commit b82c9dc589
6 changed files with 175 additions and 54 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2007-05-18 Matthias Clasen <mclasen@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkicontheme.h:
* gtk/gtkicontheme.c: Add a function to look up an icon from
a list of icon names. (#396901, Luca Ferretti)
2007-05-18 Emmanuele Bassi <ebassi@gnome.org>
* gtk/gtkrecentchooserdefault.c:

4
docs/reference/ChangeLog
View File

@ -1,3 +1,7 @@
2007-05-18 Matthias Clasen <mclasen@redhat.com>
* gtk/gtk-sections.txt: Add generic icon lookup function
2007-04-29 Dan Winship <danw@novell.com>
* gdk/gdk-sections.txt: Add

18
docs/reference/gtk/gtk-sections.txt
View File

@ -3012,6 +3012,23 @@ GTK_SCALE_GET_CLASS
gtk_scale_get_type
</SECTION>
<SECTION>
<FILE>gtkscalebutton</FILE>
<TITLE>GtkScaleButton</TITLE>
GtkScaleButton
gtk_scale_button_new
gtk_scale_button_set_value
gtk_scale_button_get_value
gtk_scale_button_set_icons
<SUBSECTION Standard>
GTK_SCALE_BUTTON
GTK_SCALE_IS_BUTTON
GTK_TYPE_SCALE_BUTTON
GTK_SCALE_BUTTON_GET_CLASS
<SUBSECTION Private>
gtk_scale_button_get_type
</SECTION>
<SECTION>
<FILE>gtkscrollbar</FILE>
<TITLE>GtkScrollbar</TITLE>
@ -6003,6 +6020,7 @@ gtk_icon_theme_prepend_search_path
gtk_icon_theme_set_custom_theme
gtk_icon_theme_has_icon
gtk_icon_theme_lookup_icon
gtk_icon_theme_choose_icon
gtk_icon_theme_load_icon
gtk_icon_theme_list_contexts
gtk_icon_theme_list_icons

11
gtk/gtk.symbols
View File

@ -1768,6 +1768,7 @@ gtk_icon_theme_list_contexts
gtk_icon_theme_list_icons
gtk_icon_theme_load_icon
gtk_icon_theme_lookup_icon
gtk_icon_theme_choose_icon
gtk_icon_theme_new
gtk_icon_theme_prepend_search_path PRIVATE
#ifdef G_OS_WIN32
@ -4455,6 +4456,16 @@ gtk_viewport_set_vadjustment
#endif
#endif
#if IN_HEADER(__GTK_SCALE_BUTTON_H__)
#if IN_FILE(__GTK_SCALE_BUTTON_C__)
gtk_scale_button_get_type G_GNUC_CONST
gtk_scale_button_get_value
gtk_scale_button_new
gtk_scale_button_set_icons
gtk_scale_button_set_value
#endif
#endif
#if IN_HEADER(__GTK_VPANED_H__)
#if IN_FILE(__GTK_VPANED_C__)
gtk_vpaned_get_type G_GNUC_CONST

182
gtk/gtkicontheme.c
View File

@ -1225,30 +1225,11 @@ ensure_valid_themes (GtkIconTheme *icon_theme)
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;
@ -1256,17 +1237,10 @@ gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
UnthemedIcon *unthemed_icon;
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)
@ -1275,7 +1249,6 @@ gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
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);
@ -1283,29 +1256,21 @@ gtk_icon_theme_lookup_icon (GtkIconTheme *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;
}
unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_name);
for (i = 0; icon_names[i]; i++)
{
unthemed_icon = g_hash_table_lookup (priv->unthemed_icons, icon_names[i]);
if (unthemed_icon)
break;
}
if (unthemed_icon)
{
icon_info = icon_info_new ();
@ -1357,7 +1322,7 @@ gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
"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");
}
}
}
@ -1365,6 +1330,117 @@ gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
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 = 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, names, size, flags);
g_strfreev (names);
}
else
{
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)

7
gtk/gtkicontheme.h
View File

@ -67,7 +67,8 @@ struct _GtkIconThemeClass
* as well as files. For a builtin icon, gtk_icon_info_get_filename()
* returns %NULL and you need to call gtk_icon_info_get_builtin_pixbuf().
* @GTK_ICON_LOOKUP_GENERIC_FALLBACK: Try to shorten icon name at '-'
* characters before looking at inherited themes.
* characters before looking at inherited themes. For more general
* fallback, see gtk_icon_theme_choose_icon(). Since 2.12.
*
* Used to specify options for gtk_icon_theme_lookup_icon()
**/
@ -134,6 +135,10 @@ GtkIconInfo * gtk_icon_theme_lookup_icon (GtkIconTheme
const gchar *icon_name,
gint size,
GtkIconLookupFlags flags);
GtkIconInfo * gtk_icon_theme_choose_icon (GtkIconTheme *icon_theme,
const gchar *icon_names[],
gint size,
GtkIconLookupFlags flags);
GdkPixbuf * gtk_icon_theme_load_icon (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,