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
|
#define _XOPEN_SOURCE 500
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wlr/util/log.h>
#include "swaybar/render.h"
#include "swaybar/config.h"
#include "swaybar/event_loop.h"
#include "swaybar/status_line.h"
#include "swaybar/bar.h"
#include "swaybar/ipc.h"
#include "ipc-client.h"
#include "list.h"
#include "pango.h"
#include "pool-buffer.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
static void bar_init(struct swaybar *bar) {
bar->config = init_config();
wl_list_init(&bar->outputs);
}
struct swaybar_output *new_output(const char *name) {
struct swaybar_output *output = malloc(sizeof(struct swaybar_output));
output->name = strdup(name);
return output;
}
static void layer_surface_configure(void *data,
struct zwlr_layer_surface_v1 *surface,
uint32_t serial, uint32_t width, uint32_t height) {
struct swaybar_output *output = data;
output->width = width;
output->height = height;
zwlr_layer_surface_v1_ack_configure(surface, serial);
render_frame(output->bar, output);
}
static void layer_surface_closed(void *_output,
struct zwlr_layer_surface_v1 *surface) {
// TODO: Deal with hotplugging
struct swaybar_output *output = _output;
zwlr_layer_surface_v1_destroy(output->layer_surface);
wl_surface_destroy(output->surface);
}
struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.configure = layer_surface_configure,
.closed = layer_surface_closed,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct swaybar *bar = data;
if (strcmp(interface, wl_compositor_interface.name) == 0) {
bar->compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
bar->shm = wl_registry_bind(registry, name,
&wl_shm_interface, 1);
} else if (strcmp(interface, wl_output_interface.name) == 0) {
static size_t index = 0;
struct swaybar_output *output =
calloc(1, sizeof(struct swaybar_output));
output->bar = bar;
output->output = wl_registry_bind(registry, name,
&wl_output_interface, 1);
output->index = index++;
wl_list_init(&output->workspaces);
wl_list_insert(&bar->outputs, &output->link);
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
bar->layer_shell = wl_registry_bind(
registry, name, &zwlr_layer_shell_v1_interface, 1);
}
}
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) {
// who cares
}
static const struct wl_registry_listener registry_listener = {
.global = handle_global,
.global_remove = handle_global_remove,
};
static void render_all_frames(struct swaybar *bar) {
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
render_frame(bar, output);
}
}
void bar_setup(struct swaybar *bar,
const char *socket_path, const char *bar_id) {
bar_init(bar);
init_event_loop();
bar->ipc_socketfd = ipc_open_socket(socket_path);
bar->ipc_event_socketfd = ipc_open_socket(socket_path);
ipc_initialize(bar, bar_id);
if (bar->config->status_command) {
bar->status = status_line_init(bar->config->status_command);
}
assert(bar->display = wl_display_connect(NULL));
struct wl_registry *registry = wl_display_get_registry(bar->display);
wl_registry_add_listener(registry, ®istry_listener, bar);
wl_display_roundtrip(bar->display);
assert(bar->compositor && bar->layer_shell && bar->shm);
// TODO: we might not necessarily be meant to do all of the outputs
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
struct config_output *coutput;
wl_list_for_each(coutput, &bar->config->outputs, link) {
if (coutput->index != output->index) {
continue;
}
output->name = strdup(coutput->name);
assert(output->surface = wl_compositor_create_surface(
bar->compositor));
output->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
bar->layer_shell, output->surface, output->output,
ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "panel");
assert(output->layer_surface);
zwlr_layer_surface_v1_add_listener(output->layer_surface,
&layer_surface_listener, output);
zwlr_layer_surface_v1_set_anchor(output->layer_surface,
bar->config->position);
break;
}
}
ipc_get_workspaces(bar);
render_all_frames(bar);
}
static void display_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar;
if (wl_display_dispatch(bar->display) == -1) {
bar_teardown(bar);
exit(0);
}
}
static void ipc_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar;
if (handle_ipc_event(bar)) {
render_all_frames(bar);
}
}
static void status_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar;
if (handle_status_readable(bar->status)) {
render_all_frames(bar);
}
}
void bar_run(struct swaybar *bar) {
add_event(wl_display_get_fd(bar->display), POLLIN, display_in, bar);
add_event(bar->ipc_event_socketfd, POLLIN, ipc_in, bar);
if (bar->status) {
add_event(bar->status->read_fd, POLLIN, status_in, bar);
}
while (1) {
event_loop_poll();
}
}
static void free_outputs(struct wl_list *list) {
struct swaybar_output *output, *tmp;
wl_list_for_each_safe(output, tmp, list, link) {
wl_list_remove(&output->link);
free(output->name);
free(output);
}
}
void bar_teardown(struct swaybar *bar) {
free_outputs(&bar->outputs);
if (bar->config) {
free_config(bar->config);
}
close(bar->ipc_event_socketfd);
close(bar->ipc_socketfd);
if (bar->status) {
status_line_free(bar->status);
}
}
|
