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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
#include "internal.h"
#include "version.h"
#include "wayland.h"
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/epoll.h>
#include <sys/timerfd.h>
static int efd;
static void
render(const struct bm_menu *menu)
{
struct wayland *wayland = menu->renderer->internal;
wl_display_dispatch_pending(wayland->display);
if (wl_display_flush(wayland->display) < 0 && errno != EAGAIN) {
wayland->input.sym = XKB_KEY_Escape;
return;
}
struct epoll_event ep[16];
uint32_t num = epoll_wait(efd, ep, 16, -1);
for (uint32_t i = 0; i < num; ++i) {
if (ep[i].data.ptr == &wayland->fds.display) {
if (ep[i].events & EPOLLERR || ep[i].events & EPOLLHUP ||
((ep[i].events & EPOLLIN) && wl_display_dispatch(wayland->display) < 0))
wayland->input.sym = XKB_KEY_Escape;
} else if (ep[i].data.ptr == &wayland->fds.repeat) {
bm_wl_repeat(wayland);
}
}
if (wayland->input.code != wayland->input.last_code) {
struct window *window;
wl_list_for_each(window, &wayland->windows, link) {
bm_wl_window_render(window, menu);
}
wayland->input.last_code = wayland->input.code;
}
}
static enum bm_key
poll_key(const struct bm_menu *menu, unsigned int *unicode)
{
struct wayland *wayland = menu->renderer->internal;
assert(wayland && unicode);
*unicode = 0;
if (wayland->input.sym == XKB_KEY_NoSymbol)
return BM_KEY_UNICODE;
xkb_keysym_t sym = wayland->input.sym;
uint32_t mods = wayland->input.modifiers;
*unicode = xkb_state_key_get_utf32(wayland->input.xkb.state, wayland->input.code);
if (!*unicode && wayland->input.code == 23 && (mods & MOD_SHIFT))
return BM_KEY_SHIFT_TAB;
wayland->input.sym = XKB_KEY_NoSymbol;
wayland->input.code = 0;
switch (sym) {
case XKB_KEY_Up:
return BM_KEY_UP;
case XKB_KEY_Down:
return BM_KEY_DOWN;
case XKB_KEY_Left:
return BM_KEY_LEFT;
case XKB_KEY_Right:
return BM_KEY_RIGHT;
case XKB_KEY_Home:
return BM_KEY_HOME;
case XKB_KEY_End:
return BM_KEY_END;
case XKB_KEY_SunPageUp:
return (mods & MOD_SHIFT ? BM_KEY_SHIFT_PAGE_UP : BM_KEY_PAGE_UP);
case XKB_KEY_less:
return (mods & MOD_ALT ? BM_KEY_SHIFT_PAGE_UP : BM_KEY_UNICODE);
case XKB_KEY_SunPageDown:
return (mods & MOD_SHIFT ? BM_KEY_SHIFT_PAGE_DOWN : BM_KEY_PAGE_DOWN);
case XKB_KEY_greater:
return (mods & MOD_ALT ? BM_KEY_SHIFT_PAGE_DOWN : BM_KEY_UNICODE);
case XKB_KEY_v:
return (mods & MOD_CTRL ? BM_KEY_PAGE_DOWN : (mods & MOD_ALT ? BM_KEY_PAGE_UP : BM_KEY_UNICODE));
case XKB_KEY_BackSpace:
return BM_KEY_BACKSPACE;
case XKB_KEY_Delete:
return (mods & MOD_SHIFT ? BM_KEY_LINE_DELETE_LEFT : BM_KEY_DELETE);
case XKB_KEY_Tab:
return (mods & MOD_SHIFT ? BM_KEY_SHIFT_TAB : BM_KEY_TAB);
case XKB_KEY_Insert:
return BM_KEY_SHIFT_RETURN;
case XKB_KEY_Return:
return (mods & MOD_CTRL ? BM_KEY_CONTROL_RETURN : (mods & MOD_SHIFT ? BM_KEY_SHIFT_RETURN : BM_KEY_RETURN));
case XKB_KEY_Escape:
return BM_KEY_ESCAPE;
case XKB_KEY_p:
return (mods & MOD_CTRL ? BM_KEY_UP : BM_KEY_UNICODE);
case XKB_KEY_n:
return (mods & MOD_CTRL ? BM_KEY_DOWN : BM_KEY_UNICODE);
case XKB_KEY_l:
return (mods & MOD_CTRL ? BM_KEY_LEFT : (mods & MOD_ALT ? BM_KEY_DOWN : BM_KEY_UNICODE));
case XKB_KEY_f:
return (mods & MOD_CTRL ? BM_KEY_RIGHT : BM_KEY_UNICODE);
case XKB_KEY_a:
return (mods & MOD_CTRL ? BM_KEY_HOME : BM_KEY_UNICODE);
case XKB_KEY_e:
return (mods & MOD_CTRL ? BM_KEY_END : BM_KEY_UNICODE);
case XKB_KEY_h:
return (mods & MOD_CTRL ? BM_KEY_BACKSPACE : (mods & MOD_ALT ? BM_KEY_UP : BM_KEY_UNICODE));
case XKB_KEY_u:
return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_LEFT : (mods & MOD_ALT ? BM_KEY_PAGE_UP : BM_KEY_UNICODE));
case XKB_KEY_k:
return (mods & MOD_CTRL ? BM_KEY_LINE_DELETE_RIGHT : (mods & MOD_ALT ? BM_KEY_UP : BM_KEY_UNICODE));
case XKB_KEY_w:
return (mods & MOD_CTRL ? BM_KEY_WORD_DELETE : BM_KEY_UNICODE);
case XKB_KEY_j:
return (mods & MOD_ALT ? BM_KEY_DOWN : BM_KEY_UNICODE);
case XKB_KEY_d:
return (mods & MOD_ALT ? BM_KEY_PAGE_DOWN : BM_KEY_UNICODE);
case XKB_KEY_m:
return (mods & MOD_CTRL ? BM_KEY_RETURN : BM_KEY_UNICODE);
default: break;
}
return BM_KEY_UNICODE;
}
static uint32_t
get_displayed_count(const struct bm_menu *menu)
{
struct wayland *wayland = menu->renderer->internal;
assert(wayland);
uint32_t max = 0;
struct window *window;
wl_list_for_each(window, &wayland->windows, link) {
if (window->displayed > max)
max = window->displayed;
}
return max;
}
static void
set_bottom(const struct bm_menu *menu, bool bottom)
{
struct wayland *wayland = menu->renderer->internal;
assert(wayland);
struct window *window;
wl_list_for_each(window, &wayland->windows, link) {
bm_wl_window_set_bottom(window, wayland->display, bottom);
}
}
static void
destructor(struct bm_menu *menu)
{
struct wayland *wayland = menu->renderer->internal;
if (!wayland)
return;
struct window *window;
wl_list_for_each(window, &wayland->windows, link) {
bm_wl_window_destroy(window);
}
bm_wl_registry_destroy(wayland);
xkb_context_unref(wayland->input.xkb.context);
if (wayland->display) {
epoll_ctl(efd, EPOLL_CTL_DEL, wayland->fds.repeat, NULL);
epoll_ctl(efd, EPOLL_CTL_DEL, wayland->fds.display, NULL);
close(wayland->fds.repeat);
wl_display_flush(wayland->display);
wl_display_disconnect(wayland->display);
}
free(wayland);
menu->renderer->internal = NULL;
}
static bool
constructor(struct bm_menu *menu)
{
if (!getenv("WAYLAND_DISPLAY") && !getenv("WAYLAND_SOCKET"))
return false;
struct wayland *wayland;
if (!(menu->renderer->internal = wayland = calloc(1, sizeof(struct wayland))))
goto fail;
if (!(wayland->display = wl_display_connect(NULL)))
goto fail;
if (!(wayland->input.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS)))
goto fail;
if (!bm_wl_registry_register(wayland))
goto fail;
wayland->fds.display = wl_display_get_fd(wayland->display);
wayland->fds.repeat = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK);
wayland->input.repeat_fd = &wayland->fds.repeat;
struct output *output;
wl_list_for_each(output, &wayland->outputs, link) {
struct wl_surface *surface;
if (!(surface = wl_compositor_create_surface(wayland->compositor)))
goto fail;
struct window *window = calloc(1, sizeof(struct window));
window->bottom = menu->bottom;
if (!bm_wl_window_create(window, wayland->display, wayland->shm, output->output, wayland->layer_shell, surface))
goto fail;
window->notify.render = bm_cairo_paint;
window->max_height = output->height;
wl_list_insert(&wayland->windows, &window->link);
}
if (!efd && (efd = epoll_create(EPOLL_CLOEXEC)) < 0)
goto fail;
struct epoll_event ep;
ep.events = EPOLLIN | EPOLLERR | EPOLLHUP;
ep.data.ptr = &wayland->fds.display;
epoll_ctl(efd, EPOLL_CTL_ADD, wayland->fds.display, &ep);
struct epoll_event ep2;
ep2.events = EPOLLIN;
ep2.data.ptr = &wayland->fds.repeat;
epoll_ctl(efd, EPOLL_CTL_ADD, wayland->fds.repeat, &ep2);
return true;
fail:
destructor(menu);
return false;
}
extern const char*
register_renderer(struct render_api *api)
{
api->constructor = constructor;
api->destructor = destructor;
api->get_displayed_count = get_displayed_count;
api->poll_key = poll_key;
api->render = render;
api->set_bottom = set_bottom;
api->priorty = BM_PRIO_GUI;
api->version = BM_PLUGIN_VERSION;
return "wayland";
}
/* vim: set ts=8 sw=4 tw=0 :*/
|
