gtk2/gtk/gtkicontheme.h
Alexander Larsson 1d0bb3e010 GtkIconTheme: Add helpers to load to cairo_surface_t
Right now this just uses the pixbuf load code and converts
it to a surface. In the future we could cache the pattern
to allow reusing the surface.
2013-07-03 14:39:26 +02:00

349 lines
16 KiB
C

/* GtkIconTheme - a loader for icon themes
* gtk-icon-loader.h Copyright (C) 2002, 2003 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_ICON_THEME_H__
#define __GTK_ICON_THEME_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk/gdk.h>
#include <gtk/gtkstylecontext.h>
G_BEGIN_DECLS
#define GTK_TYPE_ICON_INFO (gtk_icon_info_get_type ())
#define GTK_ICON_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ICON_INFO, GtkIconInfo))
#define GTK_ICON_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ICON_INFO, GtkIconInfoClass))
#define GTK_IS_ICON_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ICON_INFO))
#define GTK_IS_ICON_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ICON_INFO))
#define GTK_ICON_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ICON_INFO, GtkIconInfoClass))
#define GTK_TYPE_ICON_THEME (gtk_icon_theme_get_type ())
#define GTK_ICON_THEME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ICON_THEME, GtkIconTheme))
#define GTK_ICON_THEME_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ICON_THEME, GtkIconThemeClass))
#define GTK_IS_ICON_THEME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ICON_THEME))
#define GTK_IS_ICON_THEME_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ICON_THEME))
#define GTK_ICON_THEME_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ICON_THEME, GtkIconThemeClass))
/**
* GtkIconInfo:
*
* Contains information found when looking up an icon in
* an icon theme.
*/
typedef struct _GtkIconInfo GtkIconInfo;
typedef struct _GtkIconInfoClass GtkIconInfoClass;
typedef struct _GtkIconTheme GtkIconTheme;
typedef struct _GtkIconThemeClass GtkIconThemeClass;
typedef struct _GtkIconThemePrivate GtkIconThemePrivate;
/**
* GtkIconTheme:
*
* Acts as a database of information about an icon theme.
* Normally, you retrieve the icon theme for a particular
* screen using gtk_icon_theme_get_for_screen() and it
* will contain information about current icon theme for
* that screen, but you can also create a new #GtkIconTheme
* object and set the icon theme name explicitely using
* gtk_icon_theme_set_custom_theme().
*/
struct _GtkIconTheme
{
/*< private >*/
GObject parent_instance;
GtkIconThemePrivate *priv;
};
struct _GtkIconThemeClass
{
GObjectClass parent_class;
void (* changed) (GtkIconTheme *icon_theme);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
/**
* GtkIconLookupFlags:
* @GTK_ICON_LOOKUP_NO_SVG: Never return SVG icons, even if gdk-pixbuf
* supports them. Cannot be used together with %GTK_ICON_LOOKUP_FORCE_SVG.
* @GTK_ICON_LOOKUP_FORCE_SVG: Return SVG icons, even if gdk-pixbuf
* doesn't support them.
* Cannot be used together with %GTK_ICON_LOOKUP_NO_SVG.
* @GTK_ICON_LOOKUP_USE_BUILTIN: When passed to
* gtk_icon_theme_lookup_icon() includes builtin icons
* 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. For more general
* fallback, see gtk_icon_theme_choose_icon(). Since 2.12.
* @GTK_ICON_LOOKUP_FORCE_SIZE: Always return the icon scaled to the
* requested size. Since 2.14.
*
* Used to specify options for gtk_icon_theme_lookup_icon()
**/
typedef enum
{
GTK_ICON_LOOKUP_NO_SVG = 1 << 0,
GTK_ICON_LOOKUP_FORCE_SVG = 1 << 1,
GTK_ICON_LOOKUP_USE_BUILTIN = 1 << 2,
GTK_ICON_LOOKUP_GENERIC_FALLBACK = 1 << 3,
GTK_ICON_LOOKUP_FORCE_SIZE = 1 << 4
} GtkIconLookupFlags;
/**
* GTK_ICON_THEME_ERROR:
*
* The #GQuark used for #GtkIconThemeError errors.
*/
#define GTK_ICON_THEME_ERROR gtk_icon_theme_error_quark ()
/**
* GtkIconThemeError:
* @GTK_ICON_THEME_NOT_FOUND: The icon specified does not exist in the theme
* @GTK_ICON_THEME_FAILED: An unspecified error occurred.
*
* Error codes for GtkIconTheme operations.
**/
typedef enum {
GTK_ICON_THEME_NOT_FOUND,
GTK_ICON_THEME_FAILED
} GtkIconThemeError;
GDK_AVAILABLE_IN_ALL
GQuark gtk_icon_theme_error_quark (void);
GDK_AVAILABLE_IN_ALL
GType gtk_icon_theme_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkIconTheme *gtk_icon_theme_new (void);
GDK_AVAILABLE_IN_ALL
GtkIconTheme *gtk_icon_theme_get_default (void);
GDK_AVAILABLE_IN_ALL
GtkIconTheme *gtk_icon_theme_get_for_screen (GdkScreen *screen);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_set_screen (GtkIconTheme *icon_theme,
GdkScreen *screen);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_set_search_path (GtkIconTheme *icon_theme,
const gchar *path[],
gint n_elements);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_get_search_path (GtkIconTheme *icon_theme,
gchar **path[],
gint *n_elements);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_append_search_path (GtkIconTheme *icon_theme,
const gchar *path);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_prepend_search_path (GtkIconTheme *icon_theme,
const gchar *path);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_set_custom_theme (GtkIconTheme *icon_theme,
const gchar *theme_name);
GDK_AVAILABLE_IN_ALL
gboolean gtk_icon_theme_has_icon (GtkIconTheme *icon_theme,
const gchar *icon_name);
GDK_AVAILABLE_IN_ALL
gint *gtk_icon_theme_get_icon_sizes (GtkIconTheme *icon_theme,
const gchar *icon_name);
GDK_AVAILABLE_IN_ALL
GtkIconInfo * gtk_icon_theme_lookup_icon (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,
GtkIconLookupFlags flags);
GDK_AVAILABLE_IN_3_10
GtkIconInfo * gtk_icon_theme_lookup_icon_for_scale (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,
gint scale,
GtkIconLookupFlags flags);
GDK_AVAILABLE_IN_ALL
GtkIconInfo * gtk_icon_theme_choose_icon (GtkIconTheme *icon_theme,
const gchar *icon_names[],
gint size,
GtkIconLookupFlags flags);
GDK_AVAILABLE_IN_3_10
GtkIconInfo * gtk_icon_theme_choose_icon_for_scale (GtkIconTheme *icon_theme,
const gchar *icon_names[],
gint size,
gint scale,
GtkIconLookupFlags flags);
GDK_AVAILABLE_IN_ALL
GdkPixbuf * gtk_icon_theme_load_icon (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,
GtkIconLookupFlags flags,
GError **error);
GDK_AVAILABLE_IN_3_10
GdkPixbuf * gtk_icon_theme_load_icon_for_scale (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,
gint scale,
GtkIconLookupFlags flags,
GError **error);
GDK_AVAILABLE_IN_3_10
cairo_surface_t * gtk_icon_theme_load_surface (GtkIconTheme *icon_theme,
const gchar *icon_name,
gint size,
gint scale,
GdkWindow *for_window,
GtkIconLookupFlags flags,
GError **error);
GDK_AVAILABLE_IN_ALL
GtkIconInfo * gtk_icon_theme_lookup_by_gicon (GtkIconTheme *icon_theme,
GIcon *icon,
gint size,
GtkIconLookupFlags flags);
GtkIconInfo * gtk_icon_theme_lookup_by_gicon_for_scale (GtkIconTheme *icon_theme,
GIcon *icon,
gint size,
gint scale,
GtkIconLookupFlags flags);
GDK_AVAILABLE_IN_ALL
GList * gtk_icon_theme_list_icons (GtkIconTheme *icon_theme,
const gchar *context);
GDK_AVAILABLE_IN_ALL
GList * gtk_icon_theme_list_contexts (GtkIconTheme *icon_theme);
GDK_AVAILABLE_IN_ALL
char * gtk_icon_theme_get_example_icon_name (GtkIconTheme *icon_theme);
GDK_AVAILABLE_IN_ALL
gboolean gtk_icon_theme_rescan_if_needed (GtkIconTheme *icon_theme);
GDK_AVAILABLE_IN_ALL
void gtk_icon_theme_add_builtin_icon (const gchar *icon_name,
gint size,
GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_ALL
GType gtk_icon_info_get_type (void) G_GNUC_CONST;
GDK_DEPRECATED_IN_3_8_FOR(g_object_ref)
GtkIconInfo * gtk_icon_info_copy (GtkIconInfo *icon_info);
GDK_DEPRECATED_IN_3_8_FOR(g_object_unref)
void gtk_icon_info_free (GtkIconInfo *icon_info);
GDK_AVAILABLE_IN_ALL
GtkIconInfo * gtk_icon_info_new_for_pixbuf (GtkIconTheme *icon_theme,
GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_ALL
gint gtk_icon_info_get_base_size (GtkIconInfo *icon_info);
GDK_AVAILABLE_IN_3_10
gint gtk_icon_info_get_base_scale (GtkIconInfo *icon_info);
GDK_AVAILABLE_IN_ALL
const gchar * gtk_icon_info_get_filename (GtkIconInfo *icon_info);
GDK_AVAILABLE_IN_ALL
GdkPixbuf * gtk_icon_info_get_builtin_pixbuf (GtkIconInfo *icon_info);
GDK_AVAILABLE_IN_ALL
GdkPixbuf * gtk_icon_info_load_icon (GtkIconInfo *icon_info,
GError **error);
GDK_AVAILABLE_IN_3_10
cairo_surface_t * gtk_icon_info_load_surface (GtkIconInfo *icon_info,
GdkWindow *for_window,
GError **error);
GDK_AVAILABLE_IN_3_8
void gtk_icon_info_load_icon_async (GtkIconInfo *icon_info,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDK_AVAILABLE_IN_3_8
GdkPixbuf * gtk_icon_info_load_icon_finish (GtkIconInfo *icon_info,
GAsyncResult *res,
GError **error);
GDK_AVAILABLE_IN_ALL
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);
GDK_AVAILABLE_IN_3_8
void gtk_icon_info_load_symbolic_async (GtkIconInfo *icon_info,
const GdkRGBA *fg,
const GdkRGBA *success_color,
const GdkRGBA *warning_color,
const GdkRGBA *error_color,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDK_AVAILABLE_IN_3_8
GdkPixbuf * gtk_icon_info_load_symbolic_finish (GtkIconInfo *icon_info,
GAsyncResult *res,
gboolean *was_symbolic,
GError **error);
GDK_AVAILABLE_IN_ALL
GdkPixbuf * gtk_icon_info_load_symbolic_for_context (GtkIconInfo *icon_info,
GtkStyleContext *context,
gboolean *was_symbolic,
GError **error);
GDK_AVAILABLE_IN_3_8
void gtk_icon_info_load_symbolic_for_context_async (GtkIconInfo *icon_info,
GtkStyleContext *context,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDK_AVAILABLE_IN_3_8
GdkPixbuf * gtk_icon_info_load_symbolic_for_context_finish (GtkIconInfo *icon_info,
GAsyncResult *res,
gboolean *was_symbolic,
GError **error);
GDK_DEPRECATED_IN_3_0_FOR(gtk_icon_info_load_symbol_for_context)
GdkPixbuf * gtk_icon_info_load_symbolic_for_style (GtkIconInfo *icon_info,
GtkStyle *style,
GtkStateType state,
gboolean *was_symbolic,
GError **error);
GDK_AVAILABLE_IN_ALL
void gtk_icon_info_set_raw_coordinates (GtkIconInfo *icon_info,
gboolean raw_coordinates);
GDK_AVAILABLE_IN_ALL
gboolean gtk_icon_info_get_embedded_rect (GtkIconInfo *icon_info,
GdkRectangle *rectangle);
GDK_AVAILABLE_IN_ALL
gboolean gtk_icon_info_get_attach_points (GtkIconInfo *icon_info,
GdkPoint **points,
gint *n_points);
GDK_AVAILABLE_IN_ALL
const gchar * gtk_icon_info_get_display_name (GtkIconInfo *icon_info);
/* Non-public methods */
void _gtk_icon_theme_ensure_builtin_cache (void);
G_END_DECLS
#endif /* __GTK_ICON_THEME_H__ */