diff options
Diffstat (limited to 'swaynagbar')
-rw-r--r-- | swaynagbar/main.c | 184 | ||||
-rw-r--r-- | swaynagbar/meson.build | 20 | ||||
-rw-r--r-- | swaynagbar/nagbar.c | 364 | ||||
-rw-r--r-- | swaynagbar/render.c | 152 | ||||
-rw-r--r-- | swaynagbar/swaynagbar.1.scd | 41 |
5 files changed, 761 insertions, 0 deletions
diff --git a/swaynagbar/main.c b/swaynagbar/main.c new file mode 100644 index 00000000..f5ed064e --- /dev/null +++ b/swaynagbar/main.c | |||
@@ -0,0 +1,184 @@ | |||
1 | #define _XOPEN_SOURCE 500 | ||
2 | #include <getopt.h> | ||
3 | #include <signal.h> | ||
4 | #include "log.h" | ||
5 | #include "list.h" | ||
6 | #include "swaynagbar/nagbar.h" | ||
7 | #include "wlr-layer-shell-unstable-v1-client-protocol.h" | ||
8 | |||
9 | static struct sway_nagbar nagbar; | ||
10 | |||
11 | void sig_handler(int signal) { | ||
12 | nagbar_destroy(&nagbar); | ||
13 | exit(EXIT_FAILURE); | ||
14 | } | ||
15 | |||
16 | void sway_terminate(int code) { | ||
17 | nagbar_destroy(&nagbar); | ||
18 | exit(code); | ||
19 | } | ||
20 | |||
21 | static void set_nagbar_colors() { | ||
22 | if (nagbar.type == NAGBAR_ERROR) { | ||
23 | nagbar.colors.button_background = 0x680A0AFF; | ||
24 | nagbar.colors.background = 0x900000FF; | ||
25 | nagbar.colors.text = 0xFFFFFFFF; | ||
26 | nagbar.colors.border = 0xD92424FF; | ||
27 | nagbar.colors.border_bottom = 0x470909FF; | ||
28 | } else if (nagbar.type == NAGBAR_WARNING) { | ||
29 | nagbar.colors.button_background = 0xFFC100FF; | ||
30 | nagbar.colors.background = 0xFFA800FF; | ||
31 | nagbar.colors.text = 0x000000FF; | ||
32 | nagbar.colors.border = 0xAB7100FF; | ||
33 | nagbar.colors.border_bottom = 0xAB7100FF; | ||
34 | } | ||
35 | } | ||
36 | |||
37 | int main(int argc, char **argv) { | ||
38 | int exit_code = EXIT_SUCCESS; | ||
39 | bool debug = false; | ||
40 | |||
41 | memset(&nagbar, 0, sizeof(nagbar)); | ||
42 | nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ||
43 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ||
44 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; | ||
45 | nagbar.type = NAGBAR_ERROR; | ||
46 | set_nagbar_colors(); | ||
47 | nagbar.font = strdup("pango:monospace 8"); | ||
48 | nagbar.buttons = create_list(); | ||
49 | |||
50 | struct sway_nagbar_button *button_close = | ||
51 | calloc(sizeof(struct sway_nagbar_button), 1); | ||
52 | button_close->text = strdup("X"); | ||
53 | button_close->action = NULL; | ||
54 | list_add(nagbar.buttons, button_close); | ||
55 | |||
56 | static struct option long_options[] = { | ||
57 | {"button", required_argument, NULL, 'b'}, | ||
58 | {"debug", no_argument, NULL, 'd'}, | ||
59 | {"edge", required_argument, NULL, 'e'}, | ||
60 | {"font", required_argument, NULL, 'f'}, | ||
61 | {"help", no_argument, NULL, 'h'}, | ||
62 | {"message", required_argument, NULL, 'm'}, | ||
63 | {"output", required_argument, NULL, 'o'}, | ||
64 | {"type", required_argument, NULL, 't'}, | ||
65 | {"version", no_argument, NULL, 'v'}, | ||
66 | {0, 0, 0, 0} | ||
67 | }; | ||
68 | |||
69 | const char *usage = | ||
70 | "Usage: swaynagbar [options...]\n" | ||
71 | "\n" | ||
72 | " -b, --button <text> <action> Create a button with text that " | ||
73 | "executes action when pressed. Multiple buttons can be defined.\n" | ||
74 | " -d, --debug Enable debugging.\n" | ||
75 | " -e, --edge top|bottom Set the edge to use.\n" | ||
76 | " -f, --font <font> Set the font to use.\n" | ||
77 | " -h, --help Show help message and quit.\n" | ||
78 | " -m, --message <msg> Set the message text.\n" | ||
79 | " -o, --output <output> Set the output to use.\n" | ||
80 | " -t, --type error|warning Set the message type.\n" | ||
81 | " -v, --version Show the version number and quit.\n"; | ||
82 | |||
83 | while (1) { | ||
84 | int c = getopt_long(argc, argv, "b:de:f:hm:o:t:v", long_options, NULL); | ||
85 | if (c == -1) { | ||
86 | break; | ||
87 | } | ||
88 | switch (c) { | ||
89 | case 'b': // Button | ||
90 | if (optind >= argc) { | ||
91 | fprintf(stderr, "Missing action for button %s", optarg); | ||
92 | exit_code = EXIT_FAILURE; | ||
93 | goto cleanup; | ||
94 | } | ||
95 | struct sway_nagbar_button *button; | ||
96 | button = calloc(sizeof(struct sway_nagbar_button), 1); | ||
97 | button->text = strdup(optarg); | ||
98 | button->action = strdup(argv[optind]); | ||
99 | optind++; | ||
100 | list_add(nagbar.buttons, button); | ||
101 | break; | ||
102 | case 'd': // Debug | ||
103 | debug = true; | ||
104 | break; | ||
105 | case 'e': // Edge | ||
106 | if (strcmp(optarg, "top") == 0) { | ||
107 | nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ||
108 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ||
109 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; | ||
110 | } else if (strcmp(optarg, "bottom") == 0) { | ||
111 | nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | ||
112 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ||
113 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; | ||
114 | } else { | ||
115 | fprintf(stderr, "Invalid edge: %s\n", optarg); | ||
116 | exit_code = EXIT_FAILURE; | ||
117 | goto cleanup; | ||
118 | } | ||
119 | break; | ||
120 | case 'f': // Font | ||
121 | free(nagbar.font); | ||
122 | nagbar.font = strdup(optarg); | ||
123 | break; | ||
124 | case 'm': // Message | ||
125 | free(nagbar.message); | ||
126 | nagbar.message = strdup(optarg); | ||
127 | break; | ||
128 | case 'o': // Output | ||
129 | free(nagbar.output.name); | ||
130 | nagbar.output.name = strdup(optarg); | ||
131 | break; | ||
132 | case 't': // Type | ||
133 | if (strcmp(optarg, "error") == 0) { | ||
134 | nagbar.type = NAGBAR_ERROR; | ||
135 | } else if (strcmp(optarg, "warning") == 0) { | ||
136 | nagbar.type = NAGBAR_WARNING; | ||
137 | } else { | ||
138 | fprintf(stderr, "Type must be either 'error' or 'warning'"); | ||
139 | exit_code = EXIT_FAILURE; | ||
140 | goto cleanup; | ||
141 | } | ||
142 | set_nagbar_colors(); | ||
143 | break; | ||
144 | case 'v': // Version | ||
145 | fprintf(stdout, "sway version " SWAY_VERSION "\n"); | ||
146 | exit_code = EXIT_SUCCESS; | ||
147 | goto cleanup; | ||
148 | default: // Help or unknown flag | ||
149 | fprintf(c == 'h' ? stdout : stderr, "%s", usage); | ||
150 | exit_code = c == 'h' ? EXIT_SUCCESS : EXIT_FAILURE; | ||
151 | goto cleanup; | ||
152 | } | ||
153 | } | ||
154 | |||
155 | wlr_log_init(debug ? WLR_DEBUG : WLR_ERROR, NULL); | ||
156 | |||
157 | if (!nagbar.message) { | ||
158 | wlr_log(WLR_ERROR, "No message passed. Please provide --message/-m"); | ||
159 | exit_code = EXIT_FAILURE; | ||
160 | goto cleanup; | ||
161 | } | ||
162 | |||
163 | wlr_log(WLR_DEBUG, "Output: %s", nagbar.output.name); | ||
164 | wlr_log(WLR_DEBUG, "Anchors: %d", nagbar.anchors); | ||
165 | wlr_log(WLR_DEBUG, "Type: %d", nagbar.type); | ||
166 | wlr_log(WLR_DEBUG, "Message: %s", nagbar.message); | ||
167 | wlr_log(WLR_DEBUG, "Font: %s", nagbar.font); | ||
168 | wlr_log(WLR_DEBUG, "Buttons"); | ||
169 | for (int i = 0; i < nagbar.buttons->length; i++) { | ||
170 | struct sway_nagbar_button *button = nagbar.buttons->items[i]; | ||
171 | wlr_log(WLR_DEBUG, "\t[%s] `%s`", button->text, button->action); | ||
172 | } | ||
173 | |||
174 | signal(SIGTERM, sig_handler); | ||
175 | |||
176 | nagbar_setup(&nagbar); | ||
177 | nagbar_run(&nagbar); | ||
178 | return exit_code; | ||
179 | |||
180 | cleanup: | ||
181 | nagbar_destroy(&nagbar); | ||
182 | return exit_code; | ||
183 | } | ||
184 | |||
diff --git a/swaynagbar/meson.build b/swaynagbar/meson.build new file mode 100644 index 00000000..254462f2 --- /dev/null +++ b/swaynagbar/meson.build | |||
@@ -0,0 +1,20 @@ | |||
1 | executable( | ||
2 | 'swaynagbar', [ | ||
3 | 'main.c', | ||
4 | 'nagbar.c', | ||
5 | 'render.c', | ||
6 | ], | ||
7 | include_directories: [sway_inc], | ||
8 | dependencies: [ | ||
9 | cairo, | ||
10 | client_protos, | ||
11 | gdk_pixbuf, | ||
12 | pango, | ||
13 | pangocairo, | ||
14 | wayland_client, | ||
15 | wayland_cursor, | ||
16 | wlroots, | ||
17 | ], | ||
18 | link_with: [lib_sway_common, lib_sway_client], | ||
19 | install: true | ||
20 | ) | ||
diff --git a/swaynagbar/nagbar.c b/swaynagbar/nagbar.c new file mode 100644 index 00000000..22e5aff4 --- /dev/null +++ b/swaynagbar/nagbar.c | |||
@@ -0,0 +1,364 @@ | |||
1 | #define _XOPEN_SOURCE 500 | ||
2 | #include <assert.h> | ||
3 | #include <sys/stat.h> | ||
4 | #include <sys/wait.h> | ||
5 | #include <wayland-client.h> | ||
6 | #include <wayland-cursor.h> | ||
7 | #include "log.h" | ||
8 | #include "list.h" | ||
9 | #include "swaynagbar/nagbar.h" | ||
10 | #include "swaynagbar/render.h" | ||
11 | #include "wlr-layer-shell-unstable-v1-client-protocol.h" | ||
12 | |||
13 | static void nop() { | ||
14 | // Intentionally left blank | ||
15 | } | ||
16 | |||
17 | static bool terminal_execute(char *terminal, char *command) { | ||
18 | char fname[] = "/tmp/swaynagbarXXXXXX"; | ||
19 | FILE *tmp= fdopen(mkstemp(fname), "w"); | ||
20 | if (!tmp) { | ||
21 | wlr_log(WLR_ERROR, "Failed to create temp script"); | ||
22 | return false; | ||
23 | } | ||
24 | wlr_log(WLR_DEBUG, "Created temp script: %s", fname); | ||
25 | fprintf(tmp, "#!/bin/sh\nrm %s\n%s", fname, command); | ||
26 | fclose(tmp); | ||
27 | chmod(fname, S_IRUSR | S_IWUSR | S_IXUSR); | ||
28 | char cmd[strlen(terminal) + strlen(" -e ") + strlen(fname) + 1]; | ||
29 | sprintf(cmd, "%s -e %s", terminal, fname); | ||
30 | execl("/bin/sh", "/bin/sh", "-c", cmd, NULL); | ||
31 | return true; | ||
32 | } | ||
33 | |||
34 | static void nagbar_button_execute(struct sway_nagbar *nagbar, | ||
35 | struct sway_nagbar_button *button) { | ||
36 | wlr_log(WLR_DEBUG, "Executing [%s]: %s", button->text, button->action); | ||
37 | if (!button->action) { | ||
38 | nagbar->run_display = false; | ||
39 | } else { | ||
40 | if (fork() == 0) { | ||
41 | // Child process. Will be used to prevent zombie processes | ||
42 | setsid(); | ||
43 | if (fork() == 0) { | ||
44 | // Child of the child. Will be reparented to the init process | ||
45 | char *terminal = getenv("TERMINAL"); | ||
46 | if (terminal && strlen(terminal)) { | ||
47 | wlr_log(WLR_DEBUG, "Found $TERMINAL: %s", terminal); | ||
48 | if (!terminal_execute(terminal, button->action)) { | ||
49 | nagbar_destroy(nagbar); | ||
50 | exit(EXIT_FAILURE); | ||
51 | } | ||
52 | } else { | ||
53 | wlr_log(WLR_DEBUG, "$TERMINAL not found. Running directly"); | ||
54 | execl("/bin/sh", "/bin/sh", "-c", button->action, NULL); | ||
55 | } | ||
56 | } | ||
57 | exit(EXIT_SUCCESS); | ||
58 | } | ||
59 | } | ||
60 | wait(0); | ||
61 | } | ||
62 | |||
63 | static void layer_surface_configure(void *data, | ||
64 | struct zwlr_layer_surface_v1 *surface, | ||
65 | uint32_t serial, uint32_t width, uint32_t height) { | ||
66 | struct sway_nagbar *nagbar = data; | ||
67 | nagbar->width = width; | ||
68 | nagbar->height = height; | ||
69 | zwlr_layer_surface_v1_ack_configure(surface, serial); | ||
70 | render_frame(nagbar); | ||
71 | } | ||
72 | |||
73 | static void layer_surface_closed(void *data, | ||
74 | struct zwlr_layer_surface_v1 *surface) { | ||
75 | struct sway_nagbar *nagbar = data; | ||
76 | nagbar_destroy(nagbar); | ||
77 | } | ||
78 | |||
79 | static struct zwlr_layer_surface_v1_listener layer_surface_listener = { | ||
80 | .configure = layer_surface_configure, | ||
81 | .closed = layer_surface_closed, | ||
82 | }; | ||
83 | |||
84 | static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer, | ||
85 | uint32_t serial, struct wl_surface *surface, | ||
86 | wl_fixed_t surface_x, wl_fixed_t surface_y) { | ||
87 | struct sway_nagbar *nagbar = data; | ||
88 | struct sway_nagbar_pointer *pointer = &nagbar->pointer; | ||
89 | wl_surface_set_buffer_scale(pointer->cursor_surface, nagbar->scale); | ||
90 | wl_surface_attach(pointer->cursor_surface, | ||
91 | wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0); | ||
92 | wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface, | ||
93 | pointer->cursor_image->hotspot_x / nagbar->scale, | ||
94 | pointer->cursor_image->hotspot_y / nagbar->scale); | ||
95 | wl_surface_commit(pointer->cursor_surface); | ||
96 | } | ||
97 | |||
98 | static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, | ||
99 | uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) { | ||
100 | struct sway_nagbar *nagbar = data; | ||
101 | nagbar->pointer.x = wl_fixed_to_int(surface_x); | ||
102 | nagbar->pointer.y = wl_fixed_to_int(surface_y); | ||
103 | } | ||
104 | |||
105 | static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer, | ||
106 | uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { | ||
107 | struct sway_nagbar *nagbar = data; | ||
108 | |||
109 | if (state != WL_POINTER_BUTTON_STATE_PRESSED) { | ||
110 | return; | ||
111 | } | ||
112 | |||
113 | double x = nagbar->pointer.x * nagbar->scale; | ||
114 | double y = nagbar->pointer.y * nagbar->scale; | ||
115 | for (int i = 0; i < nagbar->buttons->length; i++) { | ||
116 | struct sway_nagbar_button *nagbutton = nagbar->buttons->items[i]; | ||
117 | if (x >= nagbutton->x | ||
118 | && y >= nagbutton->y | ||
119 | && x < nagbutton->x + nagbutton->width | ||
120 | && y < nagbutton->y + nagbutton->height) { | ||
121 | nagbar_button_execute(nagbar, nagbutton); | ||
122 | } | ||
123 | } | ||
124 | } | ||
125 | |||
126 | static struct wl_pointer_listener pointer_listener = { | ||
127 | .enter = wl_pointer_enter, | ||
128 | .leave = nop, | ||
129 | .motion = wl_pointer_motion, | ||
130 | .button = wl_pointer_button, | ||
131 | .axis = nop, | ||
132 | .frame = nop, | ||
133 | .axis_source = nop, | ||
134 | .axis_stop = nop, | ||
135 | .axis_discrete = nop, | ||
136 | }; | ||
137 | |||
138 | static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat, | ||
139 | enum wl_seat_capability caps) { | ||
140 | struct sway_nagbar *nagbar = data; | ||
141 | if ((caps & WL_SEAT_CAPABILITY_POINTER)) { | ||
142 | nagbar->pointer.pointer = wl_seat_get_pointer(wl_seat); | ||
143 | wl_pointer_add_listener(nagbar->pointer.pointer, &pointer_listener, | ||
144 | nagbar); | ||
145 | } | ||
146 | } | ||
147 | |||
148 | const struct wl_seat_listener seat_listener = { | ||
149 | .capabilities = seat_handle_capabilities, | ||
150 | .name = nop, | ||
151 | }; | ||
152 | |||
153 | static void output_scale(void *data, struct wl_output *output, | ||
154 | int32_t factor) { | ||
155 | struct sway_nagbar *nagbar = data; | ||
156 | nagbar->scale = factor; | ||
157 | render_frame(nagbar); | ||
158 | } | ||
159 | |||
160 | static struct wl_output_listener output_listener = { | ||
161 | .geometry = nop, | ||
162 | .mode = nop, | ||
163 | .done = nop, | ||
164 | .scale = output_scale, | ||
165 | }; | ||
166 | |||
167 | struct output_state { | ||
168 | struct wl_output *wl_output; | ||
169 | uint32_t wl_name; | ||
170 | struct zxdg_output_v1 *xdg_output; | ||
171 | struct sway_nagbar *nagbar; | ||
172 | }; | ||
173 | |||
174 | static void xdg_output_handle_name(void *data, | ||
175 | struct zxdg_output_v1 *xdg_output, const char *name) { | ||
176 | struct output_state *state = data; | ||
177 | char *outname = state->nagbar->output.name; | ||
178 | wlr_log(WLR_DEBUG, "Checking against output %s for %s", name, outname); | ||
179 | if ((!outname && !state->nagbar->output.wl_output) | ||
180 | || (name && outname && strcmp(name, outname) == 0)) { | ||
181 | wlr_log(WLR_DEBUG, "Using output %s", name); | ||
182 | state->nagbar->output.wl_output = state->wl_output; | ||
183 | state->nagbar->output.wl_name = state->wl_name; | ||
184 | wl_output_add_listener(state->nagbar->output.wl_output, | ||
185 | &output_listener, state->nagbar); | ||
186 | wl_display_roundtrip(state->nagbar->display); | ||
187 | zxdg_output_v1_destroy(state->xdg_output); | ||
188 | } else { | ||
189 | zxdg_output_v1_destroy(state->xdg_output); | ||
190 | wl_output_destroy(state->wl_output); | ||
191 | } | ||
192 | state->nagbar->querying_outputs--; | ||
193 | free(state); | ||
194 | } | ||
195 | |||
196 | static struct zxdg_output_v1_listener xdg_output_listener = { | ||
197 | .logical_position = nop, | ||
198 | .logical_size = nop, | ||
199 | .done = nop, | ||
200 | .name = xdg_output_handle_name, | ||
201 | .description = nop, | ||
202 | }; | ||
203 | |||
204 | static void handle_global(void *data, struct wl_registry *registry, | ||
205 | uint32_t name, const char *interface, uint32_t version) { | ||
206 | struct sway_nagbar *nagbar = data; | ||
207 | if (strcmp(interface, wl_compositor_interface.name) == 0) { | ||
208 | nagbar->compositor = wl_registry_bind(registry, name, | ||
209 | &wl_compositor_interface, 3); | ||
210 | } else if (strcmp(interface, wl_seat_interface.name) == 0) { | ||
211 | nagbar->seat = wl_registry_bind(registry, name, &wl_seat_interface, 1); | ||
212 | wl_seat_add_listener(nagbar->seat, &seat_listener, nagbar); | ||
213 | } else if (strcmp(interface, wl_shm_interface.name) == 0) { | ||
214 | nagbar->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1); | ||
215 | } else if (strcmp(interface, wl_output_interface.name) == 0) { | ||
216 | if (!nagbar->output.wl_output && nagbar->xdg_output_manager) { | ||
217 | nagbar->querying_outputs++; | ||
218 | struct output_state *state = | ||
219 | calloc(1, sizeof(struct output_state)); | ||
220 | state->nagbar = nagbar; | ||
221 | state->wl_output = wl_registry_bind(registry, name, | ||
222 | &wl_output_interface, 3); | ||
223 | state->wl_name = name; | ||
224 | state->xdg_output = zxdg_output_manager_v1_get_xdg_output( | ||
225 | nagbar->xdg_output_manager, state->wl_output); | ||
226 | zxdg_output_v1_add_listener(state->xdg_output, | ||
227 | &xdg_output_listener, state); | ||
228 | } else if (!nagbar->output.wl_output && !nagbar->xdg_output_manager) { | ||
229 | wlr_log(WLR_ERROR, "Warning: zxdg_output_manager_v1 not supported." | ||
230 | " Falling back to first detected output"); | ||
231 | nagbar->output.wl_output = wl_registry_bind(registry, name, | ||
232 | &wl_output_interface, 3); | ||
233 | nagbar->output.wl_name = name; | ||
234 | wl_output_add_listener(nagbar->output.wl_output, | ||
235 | &output_listener, nagbar); | ||
236 | } | ||
237 | } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) { | ||
238 | nagbar->layer_shell = wl_registry_bind( | ||
239 | registry, name, &zwlr_layer_shell_v1_interface, 1); | ||
240 | } else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0 | ||
241 | && version >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION) { | ||
242 | nagbar->xdg_output_manager = wl_registry_bind(registry, name, | ||
243 | &zxdg_output_manager_v1_interface, | ||
244 | ZXDG_OUTPUT_V1_NAME_SINCE_VERSION); | ||
245 | } | ||
246 | } | ||
247 | |||
248 | static void handle_global_remove(void *data, struct wl_registry *registry, | ||
249 | uint32_t name) { | ||
250 | struct sway_nagbar *nagbar = data; | ||
251 | if (nagbar->output.wl_name == name) { | ||
252 | nagbar->run_display = false; | ||
253 | } | ||
254 | } | ||
255 | |||
256 | static const struct wl_registry_listener registry_listener = { | ||
257 | .global = handle_global, | ||
258 | .global_remove = handle_global_remove, | ||
259 | }; | ||
260 | |||
261 | void nagbar_setup(struct sway_nagbar *nagbar) { | ||
262 | nagbar->display = wl_display_connect(NULL); | ||
263 | assert(nagbar->display); | ||
264 | |||
265 | nagbar->scale = 1; | ||
266 | |||
267 | struct wl_registry *registry = wl_display_get_registry(nagbar->display); | ||
268 | wl_registry_add_listener(registry, ®istry_listener, nagbar); | ||
269 | wl_display_roundtrip(nagbar->display); | ||
270 | assert(nagbar->compositor && nagbar->layer_shell && nagbar->shm); | ||
271 | |||
272 | while (nagbar->querying_outputs > 0) { | ||
273 | wl_display_roundtrip(nagbar->display); | ||
274 | } | ||
275 | |||
276 | if (!nagbar->output.wl_output) { | ||
277 | if (nagbar->output.name) { | ||
278 | wlr_log(WLR_ERROR, "Output '%s' not found", nagbar->output.name); | ||
279 | } else { | ||
280 | wlr_log(WLR_ERROR, "No outputs detected"); | ||
281 | } | ||
282 | nagbar_destroy(nagbar); | ||
283 | exit(EXIT_FAILURE); | ||
284 | } | ||
285 | |||
286 | struct sway_nagbar_pointer *pointer = &nagbar->pointer; | ||
287 | int scale = nagbar->scale < 1 ? 1 : nagbar->scale; | ||
288 | pointer->cursor_theme = wl_cursor_theme_load( | ||
289 | NULL, 24 * scale, nagbar->shm); | ||
290 | assert(pointer->cursor_theme); | ||
291 | struct wl_cursor *cursor = | ||
292 | wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr"); | ||
293 | assert(cursor); | ||
294 | pointer->cursor_image = cursor->images[0]; | ||
295 | pointer->cursor_surface = wl_compositor_create_surface(nagbar->compositor); | ||
296 | assert(pointer->cursor_surface); | ||
297 | |||
298 | nagbar->surface = wl_compositor_create_surface(nagbar->compositor); | ||
299 | assert(nagbar->surface); | ||
300 | nagbar->layer_surface = zwlr_layer_shell_v1_get_layer_surface( | ||
301 | nagbar->layer_shell, nagbar->surface, nagbar->output.wl_output, | ||
302 | ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "nagbar"); | ||
303 | assert(nagbar->layer_surface); | ||
304 | zwlr_layer_surface_v1_add_listener(nagbar->layer_surface, | ||
305 | &layer_surface_listener, nagbar); | ||
306 | zwlr_layer_surface_v1_set_anchor(nagbar->layer_surface, nagbar->anchors); | ||
307 | |||
308 | wl_registry_destroy(registry); | ||
309 | } | ||
310 | |||
311 | void nagbar_run(struct sway_nagbar *nagbar) { | ||
312 | nagbar->run_display = true; | ||
313 | render_frame(nagbar); | ||
314 | while (nagbar->run_display && wl_display_dispatch(nagbar->display) != -1) { | ||
315 | // This is intentionally left blank | ||
316 | } | ||
317 | } | ||
318 | |||
319 | void nagbar_destroy(struct sway_nagbar *nagbar) { | ||
320 | nagbar->run_display = false; | ||
321 | |||
322 | free(nagbar->message); | ||
323 | free(nagbar->font); | ||
324 | while (nagbar->buttons->length) { | ||
325 | struct sway_nagbar_button *button = nagbar->buttons->items[0]; | ||
326 | list_del(nagbar->buttons, 0); | ||
327 | free(button->text); | ||
328 | free(button->action); | ||
329 | free(button); | ||
330 | } | ||
331 | list_free(nagbar->buttons); | ||
332 | |||
333 | if (nagbar->layer_surface) { | ||
334 | zwlr_layer_surface_v1_destroy(nagbar->layer_surface); | ||
335 | } | ||
336 | |||
337 | if (nagbar->surface) { | ||
338 | wl_surface_destroy(nagbar->surface); | ||
339 | } | ||
340 | |||
341 | if (nagbar->output.wl_output) { | ||
342 | wl_output_destroy(nagbar->output.wl_output); | ||
343 | } | ||
344 | |||
345 | if (&nagbar->buffers[0]) { | ||
346 | destroy_buffer(&nagbar->buffers[0]); | ||
347 | } | ||
348 | |||
349 | if (&nagbar->buffers[1]) { | ||
350 | destroy_buffer(&nagbar->buffers[1]); | ||
351 | } | ||
352 | |||
353 | if (nagbar->compositor) { | ||
354 | wl_compositor_destroy(nagbar->compositor); | ||
355 | } | ||
356 | |||
357 | if (nagbar->shm) { | ||
358 | wl_shm_destroy(nagbar->shm); | ||
359 | } | ||
360 | |||
361 | if (nagbar->display) { | ||
362 | wl_display_disconnect(nagbar->display); | ||
363 | } | ||
364 | } | ||
diff --git a/swaynagbar/render.c b/swaynagbar/render.c new file mode 100644 index 00000000..c0f59298 --- /dev/null +++ b/swaynagbar/render.c | |||
@@ -0,0 +1,152 @@ | |||
1 | #include <stdint.h> | ||
2 | #include "cairo.h" | ||
3 | #include "log.h" | ||
4 | #include "pango.h" | ||
5 | #include "pool-buffer.h" | ||
6 | #include "swaynagbar/nagbar.h" | ||
7 | #include "wlr-layer-shell-unstable-v1-client-protocol.h" | ||
8 | |||
9 | static uint32_t render_message(cairo_t *cairo, struct sway_nagbar *nagbar) { | ||
10 | uint32_t height = nagbar->height * nagbar->scale; | ||
11 | height -= NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale; | ||
12 | |||
13 | int text_width, text_height; | ||
14 | get_text_size(cairo, nagbar->font, &text_width, &text_height, | ||
15 | nagbar->scale, true, "%s", nagbar->message); | ||
16 | |||
17 | int padding = NAGBAR_MESSAGE_PADDING * nagbar->scale; | ||
18 | |||
19 | uint32_t ideal_height = text_height + padding * 2; | ||
20 | uint32_t ideal_surface_height = ideal_height / nagbar->scale; | ||
21 | if (nagbar->height < ideal_surface_height) { | ||
22 | return ideal_surface_height; | ||
23 | } | ||
24 | |||
25 | cairo_set_source_u32(cairo, nagbar->colors.text); | ||
26 | cairo_move_to(cairo, padding, (int)(height / 2.0 - text_height / 2.0)); | ||
27 | pango_printf(cairo, nagbar->font, nagbar->scale, true, "%s", | ||
28 | nagbar->message); | ||
29 | |||
30 | return nagbar->height; | ||
31 | } | ||
32 | |||
33 | static uint32_t render_button(cairo_t *cairo, struct sway_nagbar *nagbar, | ||
34 | int button_index, int *x) { | ||
35 | uint32_t height = nagbar->height * nagbar->scale; | ||
36 | height -= NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale; | ||
37 | struct sway_nagbar_button *button = nagbar->buttons->items[button_index]; | ||
38 | |||
39 | int text_width, text_height; | ||
40 | get_text_size(cairo, nagbar->font, &text_width, &text_height, | ||
41 | nagbar->scale, true, "%s", button->text); | ||
42 | |||
43 | int border = NAGBAR_BUTTON_BORDER_THICKNESS * nagbar->scale; | ||
44 | int padding = NAGBAR_BUTTON_PADDING * nagbar->scale; | ||
45 | |||
46 | uint32_t ideal_height = text_height + padding * 2 + border * 2; | ||
47 | uint32_t ideal_surface_height = ideal_height / nagbar->scale; | ||
48 | if (nagbar->height < ideal_surface_height) { | ||
49 | return ideal_surface_height; | ||
50 | } | ||
51 | |||
52 | button->x = *x - border - text_width - padding * 2; | ||
53 | button->y = (int)(height / 2.0 - text_height / 2.0) - padding; | ||
54 | button->width = text_width + padding * 2; | ||
55 | button->height = text_height + padding * 2; | ||
56 | |||
57 | cairo_set_source_u32(cairo, nagbar->colors.border); | ||
58 | cairo_rectangle(cairo, button->x - border, button->y - border, | ||
59 | button->width + border * 2, button->height + border * 2); | ||
60 | cairo_fill(cairo); | ||
61 | |||
62 | cairo_set_source_u32(cairo, nagbar->colors.button_background); | ||
63 | cairo_rectangle(cairo, button->x, button->y, | ||
64 | button->width, button->height); | ||
65 | cairo_fill(cairo); | ||
66 | |||
67 | cairo_set_source_u32(cairo, nagbar->colors.text); | ||
68 | cairo_move_to(cairo, button->x + padding, button->y + padding); | ||
69 | pango_printf(cairo, nagbar->font, nagbar->scale, true, "%s", button->text); | ||
70 | |||
71 | *x = button->x - border; | ||
72 | |||
73 | return nagbar->height; | ||
74 | } | ||
75 | |||
76 | static uint32_t render_to_cairo(cairo_t *cairo, struct sway_nagbar *nagbar) { | ||
77 | uint32_t max_height = 0; | ||
78 | |||
79 | cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE); | ||
80 | cairo_set_source_u32(cairo, nagbar->colors.background); | ||
81 | cairo_paint(cairo); | ||
82 | |||
83 | uint32_t h = render_message(cairo, nagbar); | ||
84 | max_height = h > max_height ? h : max_height; | ||
85 | |||
86 | int x = (nagbar->width - NAGBAR_BUTTON_MARGIN_RIGHT) * nagbar->scale; | ||
87 | for (int i = 0; i < nagbar->buttons->length; i++) { | ||
88 | h = render_button(cairo, nagbar, i, &x); | ||
89 | max_height = h > max_height ? h : max_height; | ||
90 | x -= NAGBAR_BUTTON_GAP * nagbar->scale; | ||
91 | if (i == 0) { | ||
92 | x -= NAGBAR_BUTTON_GAP_CLOSE * nagbar->scale; | ||
93 | } | ||
94 | } | ||
95 | |||
96 | int border = NAGBAR_BAR_BORDER_THICKNESS * nagbar->scale; | ||
97 | if (max_height > nagbar->height) { | ||
98 | max_height += border; | ||
99 | } | ||
100 | cairo_set_source_u32(cairo, nagbar->colors.border_bottom); | ||
101 | cairo_rectangle(cairo, 0, nagbar->height * nagbar->scale - border, | ||
102 | nagbar->width * nagbar->scale, border); | ||
103 | cairo_fill(cairo); | ||
104 | |||
105 | return max_height > nagbar->height ? max_height : nagbar->height; | ||
106 | } | ||
107 | |||
108 | void render_frame(struct sway_nagbar *nagbar) { | ||
109 | if (!nagbar->run_display) { | ||
110 | return; | ||
111 | } | ||
112 | |||
113 | cairo_surface_t *recorder = cairo_recording_surface_create( | ||
114 | CAIRO_CONTENT_COLOR_ALPHA, NULL); | ||
115 | cairo_t *cairo = cairo_create(recorder); | ||
116 | cairo_save(cairo); | ||
117 | cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR); | ||
118 | cairo_paint(cairo); | ||
119 | cairo_restore(cairo); | ||
120 | uint32_t height = render_to_cairo(cairo, nagbar); | ||
121 | if (height != nagbar->height) { | ||
122 | zwlr_layer_surface_v1_set_size(nagbar->layer_surface, 0, height); | ||
123 | zwlr_layer_surface_v1_set_exclusive_zone(nagbar->layer_surface, | ||
124 | height); | ||
125 | wl_surface_commit(nagbar->surface); | ||
126 | wl_display_roundtrip(nagbar->display); | ||
127 | } else { | ||
128 | nagbar->current_buffer = get_next_buffer(nagbar->shm, | ||
129 | nagbar->buffers, | ||
130 | nagbar->width * nagbar->scale, | ||
131 | nagbar->height * nagbar->scale); | ||
132 | cairo_t *shm = nagbar->current_buffer->cairo; | ||
133 | |||
134 | cairo_save(shm); | ||
135 | cairo_set_operator(shm, CAIRO_OPERATOR_CLEAR); | ||
136 | cairo_paint(shm); | ||
137 | cairo_restore(shm); | ||
138 | |||
139 | cairo_set_source_surface(shm, recorder, 0.0, 0.0); | ||
140 | cairo_paint(shm); | ||
141 | |||
142 | wl_surface_set_buffer_scale(nagbar->surface, nagbar->scale); | ||
143 | wl_surface_attach(nagbar->surface, | ||
144 | nagbar->current_buffer->buffer, 0, 0); | ||
145 | wl_surface_damage(nagbar->surface, 0, 0, | ||
146 | nagbar->width, nagbar->height); | ||
147 | wl_surface_commit(nagbar->surface); | ||
148 | wl_display_roundtrip(nagbar->display); | ||
149 | } | ||
150 | cairo_surface_destroy(recorder); | ||
151 | cairo_destroy(cairo); | ||
152 | } | ||
diff --git a/swaynagbar/swaynagbar.1.scd b/swaynagbar/swaynagbar.1.scd new file mode 100644 index 00000000..4235e2ea --- /dev/null +++ b/swaynagbar/swaynagbar.1.scd | |||
@@ -0,0 +1,41 @@ | |||
1 | swaynagbar(1) | ||
2 | |||
3 | # NAME | ||
4 | |||
5 | swaynagbar - Show a warning or error message with buttons | ||
6 | |||
7 | # SYNOPSIS | ||
8 | |||
9 | _swaynagbar_ [options...] | ||
10 | |||
11 | # OPTIONS | ||
12 | *-b, --button* <text> <action> | ||
13 | Create a button with the text _text_ that executes _action_ when pressed. | ||
14 | Multiple buttons can be defined by providing the flag multiple times. | ||
15 | |||
16 | *-d, --debug* | ||
17 | Enable debugging. | ||
18 | |||
19 | *-e, --edge top|bottom* | ||
20 | Set the edge to use. | ||
21 | |||
22 | *-f, --font <font>* | ||
23 | Set the font to use. | ||
24 | |||
25 | *-h, --help* | ||
26 | Show help message and quit. | ||
27 | |||
28 | *-m, --message <msg>* | ||
29 | Set the message text. | ||
30 | |||
31 | *-o, --output <output>* | ||
32 | Set the output to use. This should be the name of a _xdg\_output_. If | ||
33 | _xdg\_output\_manager_ is not supported, then the first detected output | ||
34 | will be used | ||
35 | |||
36 | *-t, --type error|warning* | ||
37 | Set the message type. | ||
38 | |||
39 | *-v, --version | ||
40 | Show the version number and quit. | ||
41 | |||