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
|
/*
* Copyright © 2008 Bart Massey <bart@cs.pdx.edu>
* Copyright © 2008 Julien Danjou <julien@danjou.info>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the names of the authors or
* their institutions shall not be used in advertising or otherwise to
* promote the sale, use or other dealings in this Software without
* prior written authorization from the authors.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <xcb/xcb.h>
#include "../aux/xcb_aux.h"
#include "../event/xcb_event.h"
#include "xcb_image.h"
#include "test.xbm"
static xcb_window_t make_window(xcb_connection_t *c,
xcb_screen_t *s,
uint32_t bg,
uint32_t fg,
uint32_t width,
uint32_t height) {
uint32_t mask = 0;
xcb_params_cw_t cwa;
xcb_window_t w;
xcb_void_cookie_t check_cookie;
xcb_generic_error_t *error;
xcb_visualtype_t *v = xcb_aux_find_visual_by_id(s, s->root_visual);
assert(v);
XCB_AUX_ADD_PARAM(&mask, &cwa, back_pixel, bg);
XCB_AUX_ADD_PARAM(&mask, &cwa, border_pixel, fg);
XCB_AUX_ADD_PARAM(&mask, &cwa, override_redirect, 1);
XCB_AUX_ADD_PARAM(&mask, &cwa, event_mask,
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_EXPOSURE);
w = xcb_generate_id(c);
check_cookie = xcb_aux_create_window_checked(c,
s->root_depth, w, s->root, 0, 0, width, height, 1,
XCB_WINDOW_CLASS_INPUT_OUTPUT, v->visual_id, mask, &cwa);
error = xcb_request_check(c, check_cookie);
assert(!error);
check_cookie = xcb_map_window_checked(c, w);
error = xcb_request_check(c, check_cookie);
assert(!error);
return w;
}
void process_events(xcb_connection_t *c,
xcb_gcontext_t g,
xcb_window_t w,
xcb_pixmap_t p,
uint32_t width,
uint32_t height) {
xcb_generic_event_t *e;
xcb_void_cookie_t cookie;
while ((e = xcb_wait_for_event(c))) {
uint32_t r = XCB_EVENT_RESPONSE_TYPE(e);
xcb_generic_error_t *err;
fprintf(stderr, "event %d\n", r);
switch (r) {
case XCB_EXPOSE:
case XCB_MAP_NOTIFY:
cookie = xcb_copy_area_checked(c, p, w, g,
0, 0, 0, 0,
width, height);
assert(!xcb_request_check(c, cookie));
break;
case XCB_BUTTON_PRESS:
exit(0);
break;
case 0:
err = (xcb_generic_error_t *) e;
printf("error: %d (sequence %d)\n",
err->error_code, (unsigned int) err->full_sequence);
exit(1);
default:
break;
}
free(e);
}
}
#define INSET_X 31
#define INSET_Y 32
int main(int argc, char **argv) {
uint32_t width = test_width - 2 * INSET_X;
uint32_t height = test_height - 2 * INSET_Y;
int snum;
xcb_void_cookie_t check_cookie;
xcb_window_t w;
xcb_gcontext_t gc;
xcb_pixmap_t pix;
xcb_connection_t *c = xcb_connect(0, &snum);
xcb_screen_t *s = xcb_aux_get_screen(c, snum);
xcb_alloc_named_color_cookie_t bg_cookie =
xcb_alloc_named_color(c, s->default_colormap,
strlen("white"), "white");
xcb_alloc_named_color_cookie_t fg_cookie =
xcb_alloc_named_color(c, s->default_colormap,
strlen("black"), "black");
xcb_alloc_named_color_reply_t *bg_reply =
xcb_alloc_named_color_reply(c, bg_cookie, 0);
xcb_alloc_named_color_reply_t *fg_reply =
xcb_alloc_named_color_reply(c, fg_cookie, 0);
uint32_t fg, bg;
xcb_image_t *image, *native_image, *subimage;
uint32_t mask = 0;
xcb_params_gc_t gcv;
assert(bg_reply && fg_reply);
bg = bg_reply->pixel;
fg = fg_reply->pixel;
free(bg_reply);
free(fg_reply);
w = make_window(c, s, bg, fg, width, height);
gc = xcb_generate_id(c);
check_cookie = xcb_create_gc_checked(c, gc, w, 0, 0);
assert(!xcb_request_check(c, check_cookie));
image = xcb_image_create_from_bitmap_data((uint8_t *)test_bits,
test_width, test_height);
native_image = xcb_image_native(c, image, 1);
assert(native_image);
if (native_image != image)
xcb_image_destroy(image);
subimage = xcb_image_subimage(native_image, INSET_X, INSET_Y,
width, height,
0, 0, 0);
assert(subimage);
xcb_image_destroy(native_image);
subimage->format = XCB_IMAGE_FORMAT_XY_BITMAP;
pix = xcb_generate_id(c);
xcb_create_pixmap(c, s->root_depth, pix, w,
subimage->width, subimage->height);
gc = xcb_generate_id(c);
XCB_AUX_ADD_PARAM(&mask, &gcv, foreground, fg);
XCB_AUX_ADD_PARAM(&mask, &gcv, background, bg);
xcb_aux_create_gc(c, gc, pix, mask, &gcv);
xcb_image_put(c, pix, gc, subimage, 0, 0, 0);
process_events(c, gc, w, pix, width, height);
xcb_disconnect(c);
return 1;
}
|
