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/* mate-bg.h -
Copyright (C) 2007 Red Hat, Inc.
Copyright (C) 2012 Jasmine Hassan <jasmine.aura@gmail.com>
This file is part of the Mate Library.
The Mate Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Mate 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Mate Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
Authors: Soren Sandmann <sandmann@redhat.com>
Jasmine Hassan <jasmine.aura@gmail.com>
*/
#ifndef __MATE_BG_H__
#define __MATE_BG_H__
#ifndef MATE_DESKTOP_USE_UNSTABLE_API
#error MateBG is unstable API. You must define MATE_DESKTOP_USE_UNSTABLE_API before including mate-bg.h
#endif
#include <glib.h>
#include <gdk/gdk.h>
#include <gio/gio.h>
#include "mate-desktop-thumbnail.h"
#include "mate-bg-crossfade.h"
G_BEGIN_DECLS
#define MATE_TYPE_BG (mate_bg_get_type ())
#define MATE_BG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATE_TYPE_BG, MateBG))
#define MATE_BG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MATE_TYPE_BG, MateBGClass))
#define MATE_IS_BG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATE_TYPE_BG))
#define MATE_IS_BG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MATE_TYPE_BG))
#define MATE_BG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MATE_TYPE_BG, MateBGClass))
#define MATE_BG_SCHEMA "org.mate.background"
/* whether to draw the desktop bg */
#define MATE_BG_KEY_DRAW_BACKGROUND "draw-background"
/* whether Caja or mate-settings-daemon draw the desktop */
#define MATE_BG_KEY_SHOW_DESKTOP "show-desktop-icons"
/* whether to fade when changing background (By Caja/m-s-d) */
#define MATE_BG_KEY_BACKGROUND_FADE "background-fade"
#define MATE_BG_KEY_PRIMARY_COLOR "primary-color"
#define MATE_BG_KEY_SECONDARY_COLOR "secondary-color"
#define MATE_BG_KEY_COLOR_TYPE "color-shading-type"
#define MATE_BG_KEY_PICTURE_PLACEMENT "picture-options"
#define MATE_BG_KEY_PICTURE_OPACITY "picture-opacity"
#define MATE_BG_KEY_PICTURE_FILENAME "picture-filename"
typedef struct _MateBG MateBG;
typedef struct _MateBGClass MateBGClass;
typedef enum {
MATE_BG_COLOR_SOLID,
MATE_BG_COLOR_H_GRADIENT,
MATE_BG_COLOR_V_GRADIENT
} MateBGColorType;
typedef enum {
MATE_BG_PLACEMENT_TILED,
MATE_BG_PLACEMENT_ZOOMED,
MATE_BG_PLACEMENT_CENTERED,
MATE_BG_PLACEMENT_SCALED,
MATE_BG_PLACEMENT_FILL_SCREEN,
MATE_BG_PLACEMENT_SPANNED
} MateBGPlacement;
GType mate_bg_get_type (void);
MateBG * mate_bg_new (void);
void mate_bg_load_from_preferences (MateBG *bg);
void mate_bg_load_from_system_preferences (MateBG *bg);
void mate_bg_load_from_system_gsettings (MateBG *bg,
GSettings *settings,
gboolean reset_apply);
void mate_bg_load_from_gsettings (MateBG *bg,
GSettings *settings);
void mate_bg_save_to_preferences (MateBG *bg);
void mate_bg_save_to_gsettings (MateBG *bg,
GSettings *settings);
/* Setters */
void mate_bg_set_filename (MateBG *bg,
const char *filename);
void mate_bg_set_placement (MateBG *bg,
MateBGPlacement placement);
void mate_bg_set_color (MateBG *bg,
MateBGColorType type,
GdkRGBA *primary,
GdkRGBA *secondary);
void mate_bg_set_draw_background (MateBG *bg,
gboolean draw_background);
/* Getters */
gboolean mate_bg_get_draw_background (MateBG *bg);
MateBGPlacement mate_bg_get_placement (MateBG *bg);
void mate_bg_get_color (MateBG *bg,
MateBGColorType *type,
GdkRGBA *primary,
GdkRGBA *secondary);
const gchar * mate_bg_get_filename (MateBG *bg);
/* Drawing and thumbnailing */
void mate_bg_draw (MateBG *bg,
GdkPixbuf *dest,
GdkScreen *screen,
gboolean is_root);
cairo_surface_t *mate_bg_create_surface (MateBG *bg,
GdkWindow *window,
int width,
int height,
gboolean root);
cairo_surface_t *mate_bg_create_surface_scale (MateBG *bg,
GdkWindow *window,
int width,
int height,
int scale,
gboolean root);
gboolean mate_bg_get_image_size (MateBG *bg,
MateDesktopThumbnailFactory *factory,
int best_width,
int best_height,
int *width,
int *height);
GdkPixbuf * mate_bg_create_thumbnail (MateBG *bg,
MateDesktopThumbnailFactory *factory,
GdkScreen *screen,
int dest_width,
int dest_height);
gboolean mate_bg_is_dark (MateBG *bg,
int dest_width,
int dest_height);
gboolean mate_bg_has_multiple_sizes (MateBG *bg);
gboolean mate_bg_changes_with_time (MateBG *bg);
GdkPixbuf * mate_bg_create_frame_thumbnail (MateBG *bg,
MateDesktopThumbnailFactory *factory,
GdkScreen *screen,
int dest_width,
int dest_height,
int frame_num);
/* Set a surface as root - not a MateBG method. At some point
* if we decide to stabilize the API then we may want to make
* these object methods, drop mate_bg_create_surface, etc.
*/
void mate_bg_set_surface_as_root (GdkScreen *screen,
cairo_surface_t *surface);
MateBGCrossfade *mate_bg_set_surface_as_root_with_crossfade (GdkScreen *screen,
cairo_surface_t *surface);
cairo_surface_t *mate_bg_get_surface_from_root (GdkScreen *screen);
G_END_DECLS
#endif
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