1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* mate-bg.h -
Copyright (C) 2007 Red Hat, Inc.
Copyright (C) 2012 Jasmine Hassan <jasmine.aura@gmail.com>
Copyright (C) 2012-2021 MATE Developers
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
|
