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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright © 2008 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef _CAIRO_UTIL_H
#define _CAIRO_UTIL_H
#include <stdint.h>
#include <cairo.h>
void
surface_flush_device(cairo_surface_t *surface);
void
tile_mask(cairo_t *cr, cairo_surface_t *surface,
int x, int y, int width, int height, int margin, int top_margin);
void
tile_source(cairo_t *cr, cairo_surface_t *surface,
int x, int y, int width, int height, int margin, int top_margin);
void
rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius);
cairo_surface_t *
load_cairo_surface(const char *filename);
struct theme {
cairo_surface_t *active_frame;
cairo_surface_t *inactive_frame;
cairo_surface_t *shadow;
int frame_radius;
int margin;
int width;
int titlebar_height;
};
struct theme *
theme_create(void);
void
theme_destroy(struct theme *t);
enum {
THEME_FRAME_ACTIVE = 1,
THEME_FRAME_MAXIMIZED,
};
void
theme_render_frame(struct theme *t,
cairo_t *cr, int width, int height,
const char *title, uint32_t flags);
enum theme_location {
THEME_LOCATION_INTERIOR = 0,
THEME_LOCATION_RESIZING_TOP = 1,
THEME_LOCATION_RESIZING_BOTTOM = 2,
THEME_LOCATION_RESIZING_LEFT = 4,
THEME_LOCATION_RESIZING_TOP_LEFT = 5,
THEME_LOCATION_RESIZING_BOTTOM_LEFT = 6,
THEME_LOCATION_RESIZING_RIGHT = 8,
THEME_LOCATION_RESIZING_TOP_RIGHT = 9,
THEME_LOCATION_RESIZING_BOTTOM_RIGHT = 10,
THEME_LOCATION_RESIZING_MASK = 15,
THEME_LOCATION_EXTERIOR = 16,
THEME_LOCATION_TITLEBAR = 17,
THEME_LOCATION_CLIENT_AREA = 18,
};
enum theme_location
theme_get_location(struct theme *t, int x, int y, int width, int height, int flags);
struct frame;
enum frame_status {
FRAME_STATUS_NONE = 0,
FRAME_STATUS_REPAINT = 0x1,
FRAME_STATUS_MINIMIZE = 0x2,
FRAME_STATUS_MAXIMIZE = 0x4,
FRAME_STATUS_CLOSE = 0x8,
FRAME_STATUS_MENU = 0x10,
FRAME_STATUS_RESIZE = 0x20,
FRAME_STATUS_MOVE = 0x40,
FRAME_STATUS_ALL = 0x7f
};
enum frame_flag {
FRAME_FLAG_ACTIVE = 0x1,
FRAME_FLAG_MAXIMIZED = 0x2
};
enum {
FRAME_BUTTON_NONE = 0,
FRAME_BUTTON_CLOSE = 0x1,
FRAME_BUTTON_MAXIMIZE = 0x2,
FRAME_BUTTON_MINIMIZE = 0x4,
FRAME_BUTTON_ALL = 0x7
};
enum frame_button_state {
FRAME_BUTTON_RELEASED = 0,
FRAME_BUTTON_PRESSED = 1
};
struct frame *
frame_create(struct theme *t, int32_t width, int32_t height, uint32_t buttons,
const char *title);
void
frame_destroy(struct frame *frame);
/* May set FRAME_STATUS_REPAINT */
int
frame_set_title(struct frame *frame, const char *title);
/* May set FRAME_STATUS_REPAINT */
void
frame_set_flag(struct frame *frame, enum frame_flag flag);
/* May set FRAME_STATUS_REPAINT */
void
frame_unset_flag(struct frame *frame, enum frame_flag flag);
/* May set FRAME_STATUS_REPAINT */
void
frame_resize(struct frame *frame, int32_t width, int32_t height);
/* May set FRAME_STATUS_REPAINT */
void
frame_resize_inside(struct frame *frame, int32_t width, int32_t height);
int32_t
frame_width(struct frame *frame);
int32_t
frame_height(struct frame *frame);
void
frame_interior(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
void
frame_input_rect(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
void
frame_opaque_rect(struct frame *frame, int32_t *x, int32_t *y,
int32_t *width, int32_t *height);
uint32_t
frame_status(struct frame *frame);
void
frame_status_clear(struct frame *frame, enum frame_status status);
/* May set FRAME_STATUS_REPAINT */
enum theme_location
frame_pointer_enter(struct frame *frame, void *pointer, int x, int y);
/* May set FRAME_STATUS_REPAINT */
enum theme_location
frame_pointer_motion(struct frame *frame, void *pointer, int x, int y);
/* May set FRAME_STATUS_REPAINT */
void
frame_pointer_leave(struct frame *frame, void *pointer);
/* May set:
* FRAME_STATUS_MINIMIZE
* FRAME_STATUS_MAXIMIZE
* FRAME_STATUS_CLOSE
* FRAME_STATUS_MENU
* FRAME_STATUS_RESIZE
* FRAME_STATUS_MOVE
*/
enum theme_location
frame_pointer_button(struct frame *frame, void *pointer,
uint32_t button, enum frame_button_state state);
/* TODO: Add Touch */
void
frame_repaint(struct frame *frame, cairo_t *cr);
#endif
|
