diff options
Diffstat (limited to 'swaybg')
-rw-r--r-- | swaybg/CMakeLists.txt | 37 | ||||
-rw-r--r-- | swaybg/main.c | 377 | ||||
-rw-r--r-- | swaybg/meson.build | 18 |
3 files changed, 221 insertions, 211 deletions
diff --git a/swaybg/CMakeLists.txt b/swaybg/CMakeLists.txt deleted file mode 100644 index f8cad404..00000000 --- a/swaybg/CMakeLists.txt +++ /dev/null | |||
@@ -1,37 +0,0 @@ | |||
1 | include_directories( | ||
2 | ${PROTOCOLS_INCLUDE_DIRS} | ||
3 | ${WAYLAND_INCLUDE_DIR} | ||
4 | ${CAIRO_INCLUDE_DIRS} | ||
5 | ${PANGO_INCLUDE_DIRS} | ||
6 | ${XKBCOMMON_INCLUDE_DIRS} | ||
7 | ) | ||
8 | |||
9 | add_executable(swaybg | ||
10 | main.c | ||
11 | ) | ||
12 | |||
13 | target_link_libraries(swaybg | ||
14 | sway-common | ||
15 | sway-wayland | ||
16 | ${WAYLAND_CLIENT_LIBRARIES} | ||
17 | ${WAYLAND_CURSOR_LIBRARIES} | ||
18 | ${CAIRO_LIBRARIES} | ||
19 | ${PANGO_LIBRARIES} | ||
20 | m | ||
21 | ) | ||
22 | |||
23 | if (WITH_GDK_PIXBUF) | ||
24 | include_directories( | ||
25 | ${GDK_PIXBUF_INCLUDE_DIRS} | ||
26 | ) | ||
27 | target_link_libraries(swaybg | ||
28 | ${GDK_PIXBUF_LIBRARIES} | ||
29 | ) | ||
30 | endif() | ||
31 | |||
32 | install( | ||
33 | TARGETS swaybg | ||
34 | RUNTIME | ||
35 | DESTINATION bin | ||
36 | COMPONENT runtime | ||
37 | ) | ||
diff --git a/swaybg/main.c b/swaybg/main.c index 2fdd4220..679b8c20 100644 --- a/swaybg/main.c +++ b/swaybg/main.c | |||
@@ -1,44 +1,55 @@ | |||
1 | #include "wayland-desktop-shell-client-protocol.h" | 1 | #include <assert.h> |
2 | #include <ctype.h> | ||
2 | #include <stdbool.h> | 3 | #include <stdbool.h> |
3 | #include <stdio.h> | 4 | #include <stdio.h> |
4 | #include <stdlib.h> | 5 | #include <stdlib.h> |
5 | #include <ctype.h> | ||
6 | #include <wayland-client.h> | ||
7 | #include <time.h> | ||
8 | #include <string.h> | 6 | #include <string.h> |
9 | #include "client/window.h" | 7 | #include <time.h> |
10 | #include "client/registry.h" | 8 | #include <wayland-client.h> |
11 | #include "client/cairo.h" | 9 | #include <wlr/util/log.h> |
12 | #include "log.h" | 10 | #include "background-image.h" |
13 | #include "list.h" | 11 | #include "pool-buffer.h" |
12 | #include "cairo.h" | ||
14 | #include "util.h" | 13 | #include "util.h" |
14 | #include "wlr-layer-shell-unstable-v1-client-protocol.h" | ||
15 | 15 | ||
16 | list_t *surfaces; | 16 | struct swaybg_args { |
17 | struct registry *registry; | 17 | int output_idx; |
18 | const char *path; | ||
19 | enum background_mode mode; | ||
20 | }; | ||
18 | 21 | ||
19 | enum scaling_mode { | 22 | struct swaybg_context { |
20 | SCALING_MODE_STRETCH, | 23 | uint32_t color; |
21 | SCALING_MODE_FILL, | 24 | cairo_surface_t *image; |
22 | SCALING_MODE_FIT, | ||
23 | SCALING_MODE_CENTER, | ||
24 | SCALING_MODE_TILE, | ||
25 | }; | 25 | }; |
26 | 26 | ||
27 | void sway_terminate(int exit_code) { | 27 | struct swaybg_state { |
28 | int i; | 28 | const struct swaybg_args *args; |
29 | for (i = 0; i < surfaces->length; ++i) { | 29 | struct swaybg_context context; |
30 | struct window *window = surfaces->items[i]; | 30 | |
31 | window_teardown(window); | 31 | struct wl_display *display; |
32 | } | 32 | struct wl_compositor *compositor; |
33 | list_free(surfaces); | 33 | struct zwlr_layer_shell_v1 *layer_shell; |
34 | registry_teardown(registry); | 34 | struct wl_shm *shm; |
35 | exit(exit_code); | 35 | |
36 | } | 36 | struct wl_output *output; |
37 | struct wl_surface *surface; | ||
38 | struct wl_region *input_region; | ||
39 | struct zwlr_layer_surface_v1 *layer_surface; | ||
40 | |||
41 | bool run_display; | ||
42 | uint32_t width, height; | ||
43 | int32_t scale; | ||
44 | struct pool_buffer buffers[2]; | ||
45 | struct pool_buffer *current_buffer; | ||
46 | }; | ||
37 | 47 | ||
38 | bool is_valid_color(const char *color) { | 48 | bool is_valid_color(const char *color) { |
39 | int len = strlen(color); | 49 | int len = strlen(color); |
40 | if (len != 7 || color[0] != '#') { | 50 | if (len != 7 || color[0] != '#') { |
41 | sway_log(L_ERROR, "%s is not a valid color for swaybg. Color should be specified as #rrggbb (no alpha).", color); | 51 | wlr_log(L_ERROR, "%s is not a valid color for swaybg. " |
52 | "Color should be specified as #rrggbb (no alpha).", color); | ||
42 | return false; | 53 | return false; |
43 | } | 54 | } |
44 | 55 | ||
@@ -52,163 +63,181 @@ bool is_valid_color(const char *color) { | |||
52 | return true; | 63 | return true; |
53 | } | 64 | } |
54 | 65 | ||
55 | int main(int argc, const char **argv) { | 66 | static void render_frame(struct swaybg_state *state) { |
56 | init_log(L_INFO); | 67 | int buffer_width = state->width * state->scale, |
57 | surfaces = create_list(); | 68 | buffer_height = state->height * state->scale; |
58 | registry = registry_poll(); | 69 | state->current_buffer = get_next_buffer(state->shm, |
59 | 70 | state->buffers, buffer_width, buffer_height); | |
60 | if (argc != 4) { | 71 | cairo_t *cairo = state->current_buffer->cairo; |
61 | sway_abort("Do not run this program manually. See man 5 sway and look for output options."); | 72 | if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) { |
73 | cairo_set_source_u32(cairo, state->context.color); | ||
74 | cairo_paint(cairo); | ||
75 | } else { | ||
76 | render_background_image(cairo, state->context.image, | ||
77 | state->args->mode, buffer_width, buffer_height); | ||
62 | } | 78 | } |
63 | 79 | ||
64 | if (!registry->desktop_shell) { | 80 | wl_surface_set_buffer_scale(state->surface, state->scale); |
65 | sway_abort("swaybg requires the compositor to support the desktop-shell extension."); | 81 | wl_surface_attach(state->surface, state->current_buffer->buffer, 0, 0); |
82 | wl_surface_damage(state->surface, 0, 0, state->width, state->height); | ||
83 | wl_surface_commit(state->surface); | ||
84 | } | ||
85 | |||
86 | static bool prepare_context(struct swaybg_state *state) { | ||
87 | if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) { | ||
88 | state->context.color = parse_color(state->args->path); | ||
89 | return is_valid_color(state->args->path); | ||
66 | } | 90 | } |
91 | if (!(state->context.image = load_background_image(state->args->path))) { | ||
92 | return false; | ||
93 | } | ||
94 | return true; | ||
95 | } | ||
67 | 96 | ||
68 | int desired_output = atoi(argv[1]); | 97 | static void layer_surface_configure(void *data, |
69 | sway_log(L_INFO, "Using output %d of %d", desired_output, registry->outputs->length); | 98 | struct zwlr_layer_surface_v1 *surface, |
70 | int i; | 99 | uint32_t serial, uint32_t width, uint32_t height) { |
71 | struct output_state *output = registry->outputs->items[desired_output]; | 100 | struct swaybg_state *state = data; |
72 | struct window *window = window_setup(registry, | 101 | state->width = width; |
73 | output->width, output->height, output->scale, false); | 102 | state->height = height; |
74 | if (!window) { | 103 | zwlr_layer_surface_v1_ack_configure(surface, serial); |
75 | sway_abort("Failed to create surfaces."); | 104 | render_frame(state); |
105 | } | ||
106 | |||
107 | static void layer_surface_closed(void *data, | ||
108 | struct zwlr_layer_surface_v1 *surface) { | ||
109 | struct swaybg_state *state = data; | ||
110 | zwlr_layer_surface_v1_destroy(state->layer_surface); | ||
111 | wl_surface_destroy(state->surface); | ||
112 | wl_region_destroy(state->input_region); | ||
113 | state->run_display = false; | ||
114 | } | ||
115 | |||
116 | struct zwlr_layer_surface_v1_listener layer_surface_listener = { | ||
117 | .configure = layer_surface_configure, | ||
118 | .closed = layer_surface_closed, | ||
119 | }; | ||
120 | |||
121 | static void output_geometry(void *data, struct wl_output *output, int32_t x, | ||
122 | int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel, | ||
123 | const char *make, const char *model, int32_t transform) { | ||
124 | // Who cares | ||
125 | } | ||
126 | |||
127 | static void output_mode(void *data, struct wl_output *output, uint32_t flags, | ||
128 | int32_t width, int32_t height, int32_t refresh) { | ||
129 | // Who cares | ||
130 | } | ||
131 | |||
132 | static void output_done(void *data, struct wl_output *output) { | ||
133 | // Who cares | ||
134 | } | ||
135 | |||
136 | static void output_scale(void *data, struct wl_output *output, int32_t factor) { | ||
137 | struct swaybg_state *state = data; | ||
138 | state->scale = factor; | ||
139 | if (state->run_display) { | ||
140 | render_frame(state); | ||
76 | } | 141 | } |
77 | desktop_shell_set_background(registry->desktop_shell, output->output, window->surface); | 142 | } |
78 | window_make_shell(window); | ||
79 | list_add(surfaces, window); | ||
80 | |||
81 | if (strcmp(argv[3], "solid_color") == 0 && is_valid_color(argv[2])) { | ||
82 | cairo_set_source_u32(window->cairo, parse_color(argv[2])); | ||
83 | cairo_paint(window->cairo); | ||
84 | window_render(window); | ||
85 | } else { | ||
86 | #ifdef WITH_GDK_PIXBUF | ||
87 | GError *err = NULL; | ||
88 | GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(argv[2], &err); | ||
89 | if (!pixbuf) { | ||
90 | sway_abort("Failed to load background image."); | ||
91 | } | ||
92 | cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf); | ||
93 | g_object_unref(pixbuf); | ||
94 | #else | ||
95 | cairo_surface_t *image = cairo_image_surface_create_from_png(argv[2]); | ||
96 | #endif //WITH_GDK_PIXBUF | ||
97 | if (!image) { | ||
98 | sway_abort("Failed to read background image."); | ||
99 | } | ||
100 | if (cairo_surface_status(image) != CAIRO_STATUS_SUCCESS) { | ||
101 | sway_abort("Failed to read background image: %s." | ||
102 | #ifndef WITH_GDK_PIXBUF | ||
103 | "\nSway was compiled without gdk_pixbuf support, so only" | ||
104 | "\nPNG images can be loaded. This is the likely cause." | ||
105 | #endif //WITH_GDK_PIXBUF | ||
106 | , cairo_status_to_string(cairo_surface_status(image))); | ||
107 | } | ||
108 | double width = cairo_image_surface_get_width(image); | ||
109 | double height = cairo_image_surface_get_height(image); | ||
110 | |||
111 | const char *scaling_mode_str = argv[3]; | ||
112 | enum scaling_mode scaling_mode = SCALING_MODE_STRETCH; | ||
113 | if (strcmp(scaling_mode_str, "stretch") == 0) { | ||
114 | scaling_mode = SCALING_MODE_STRETCH; | ||
115 | } else if (strcmp(scaling_mode_str, "fill") == 0) { | ||
116 | scaling_mode = SCALING_MODE_FILL; | ||
117 | } else if (strcmp(scaling_mode_str, "fit") == 0) { | ||
118 | scaling_mode = SCALING_MODE_FIT; | ||
119 | } else if (strcmp(scaling_mode_str, "center") == 0) { | ||
120 | scaling_mode = SCALING_MODE_CENTER; | ||
121 | } else if (strcmp(scaling_mode_str, "tile") == 0) { | ||
122 | scaling_mode = SCALING_MODE_TILE; | ||
123 | } else { | ||
124 | sway_abort("Unsupported scaling mode: %s", scaling_mode_str); | ||
125 | } | ||
126 | 143 | ||
127 | int wwidth = window->width * window->scale; | 144 | struct wl_output_listener output_listener = { |
128 | int wheight = window->height * window->scale; | 145 | .geometry = output_geometry, |
129 | 146 | .mode = output_mode, | |
130 | for (i = 0; i < surfaces->length; ++i) { | 147 | .done = output_done, |
131 | struct window *window = surfaces->items[i]; | 148 | .scale = output_scale, |
132 | if (window_prerender(window) && window->cairo) { | 149 | }; |
133 | switch (scaling_mode) { | 150 | |
134 | case SCALING_MODE_STRETCH: | 151 | static void handle_global(void *data, struct wl_registry *registry, |
135 | cairo_scale(window->cairo, | 152 | uint32_t name, const char *interface, uint32_t version) { |
136 | (double) wwidth / width, | 153 | struct swaybg_state *state = data; |
137 | (double) wheight / height); | 154 | if (strcmp(interface, wl_compositor_interface.name) == 0) { |
138 | cairo_set_source_surface(window->cairo, image, 0, 0); | 155 | state->compositor = wl_registry_bind(registry, name, |
139 | break; | 156 | &wl_compositor_interface, 3); |
140 | case SCALING_MODE_FILL: | 157 | } else if (strcmp(interface, wl_shm_interface.name) == 0) { |
141 | { | 158 | state->shm = wl_registry_bind(registry, name, |
142 | double window_ratio = (double) wwidth / wheight; | 159 | &wl_shm_interface, 1); |
143 | double bg_ratio = width / height; | 160 | } else if (strcmp(interface, wl_output_interface.name) == 0) { |
144 | 161 | static int output_idx = 0; | |
145 | if (window_ratio > bg_ratio) { | 162 | if (output_idx == state->args->output_idx) { |
146 | double scale = (double) wwidth / width; | 163 | state->output = wl_registry_bind(registry, name, |
147 | cairo_scale(window->cairo, scale, scale); | 164 | &wl_output_interface, 3); |
148 | cairo_set_source_surface(window->cairo, image, | 165 | wl_output_add_listener(state->output, &output_listener, state); |
149 | 0, | ||
150 | (double) wheight/2 / scale - height/2); | ||
151 | } else { | ||
152 | double scale = (double) wheight / height; | ||
153 | cairo_scale(window->cairo, scale, scale); | ||
154 | cairo_set_source_surface(window->cairo, image, | ||
155 | (double) wwidth/2 / scale - width/2, | ||
156 | 0); | ||
157 | } | ||
158 | break; | ||
159 | } | ||
160 | case SCALING_MODE_FIT: | ||
161 | { | ||
162 | double window_ratio = (double) wwidth / wheight; | ||
163 | double bg_ratio = width / height; | ||
164 | |||
165 | if (window_ratio > bg_ratio) { | ||
166 | double scale = (double) wheight / height; | ||
167 | cairo_scale(window->cairo, scale, scale); | ||
168 | cairo_set_source_surface(window->cairo, image, | ||
169 | (double) wwidth/2 / scale - width/2, | ||
170 | 0); | ||
171 | } else { | ||
172 | double scale = (double) wwidth / width; | ||
173 | cairo_scale(window->cairo, scale, scale); | ||
174 | cairo_set_source_surface(window->cairo, image, | ||
175 | 0, | ||
176 | (double) wheight/2 / scale - height/2); | ||
177 | } | ||
178 | break; | ||
179 | } | ||
180 | case SCALING_MODE_CENTER: | ||
181 | cairo_set_source_surface(window->cairo, image, | ||
182 | (double) wwidth/2 - width/2, | ||
183 | (double) wheight/2 - height/2); | ||
184 | break; | ||
185 | case SCALING_MODE_TILE: | ||
186 | { | ||
187 | cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image); | ||
188 | cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT); | ||
189 | cairo_set_source(window->cairo, pattern); | ||
190 | break; | ||
191 | } | ||
192 | default: | ||
193 | sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str); | ||
194 | } | ||
195 | |||
196 | cairo_paint(window->cairo); | ||
197 | |||
198 | window_render(window); | ||
199 | } | ||
200 | } | 166 | } |
167 | output_idx++; | ||
168 | } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) { | ||
169 | state->layer_shell = wl_registry_bind( | ||
170 | registry, name, &zwlr_layer_shell_v1_interface, 1); | ||
171 | } | ||
172 | } | ||
201 | 173 | ||
202 | cairo_surface_destroy(image); | 174 | static void handle_global_remove(void *data, struct wl_registry *registry, |
175 | uint32_t name) { | ||
176 | // who cares | ||
177 | } | ||
178 | |||
179 | static const struct wl_registry_listener registry_listener = { | ||
180 | .global = handle_global, | ||
181 | .global_remove = handle_global_remove, | ||
182 | }; | ||
183 | |||
184 | int main(int argc, const char **argv) { | ||
185 | struct swaybg_args args = {0}; | ||
186 | struct swaybg_state state = {0}; | ||
187 | state.args = &args; | ||
188 | wlr_log_init(L_DEBUG, NULL); | ||
189 | |||
190 | if (argc != 4) { | ||
191 | wlr_log(L_ERROR, "Do not run this program manually. " | ||
192 | "See man 5 sway and look for output options."); | ||
193 | return 1; | ||
203 | } | 194 | } |
195 | args.output_idx = atoi(argv[1]); | ||
196 | args.path = argv[2]; | ||
204 | 197 | ||
205 | while (wl_display_dispatch(registry->display) != -1); | 198 | args.mode = parse_background_mode(argv[3]); |
199 | if (args.mode == BACKGROUND_MODE_INVALID) { | ||
200 | return 1; | ||
201 | } | ||
202 | if (!prepare_context(&state)) { | ||
203 | return 1; | ||
204 | } | ||
206 | 205 | ||
207 | for (i = 0; i < surfaces->length; ++i) { | 206 | assert(state.display = wl_display_connect(NULL)); |
208 | struct window *window = surfaces->items[i]; | 207 | |
209 | window_teardown(window); | 208 | struct wl_registry *registry = wl_display_get_registry(state.display); |
209 | wl_registry_add_listener(registry, ®istry_listener, &state); | ||
210 | wl_display_roundtrip(state.display); | ||
211 | assert(state.compositor && state.layer_shell && state.output && state.shm); | ||
212 | |||
213 | // Second roundtrip to get output properties | ||
214 | wl_display_roundtrip(state.display); | ||
215 | |||
216 | assert(state.surface = wl_compositor_create_surface(state.compositor)); | ||
217 | |||
218 | assert(state.input_region = wl_compositor_create_region(state.compositor)); | ||
219 | wl_surface_set_input_region(state.surface, state.input_region); | ||
220 | |||
221 | state.layer_surface = zwlr_layer_shell_v1_get_layer_surface( | ||
222 | state.layer_shell, state.surface, state.output, | ||
223 | ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "wallpaper"); | ||
224 | assert(state.layer_surface); | ||
225 | |||
226 | zwlr_layer_surface_v1_set_size(state.layer_surface, 0, 0); | ||
227 | zwlr_layer_surface_v1_set_anchor(state.layer_surface, | ||
228 | ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | | ||
229 | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | | ||
230 | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | | ||
231 | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT); | ||
232 | zwlr_layer_surface_v1_set_exclusive_zone(state.layer_surface, -1); | ||
233 | zwlr_layer_surface_v1_add_listener(state.layer_surface, | ||
234 | &layer_surface_listener, &state); | ||
235 | wl_surface_commit(state.surface); | ||
236 | wl_display_roundtrip(state.display); | ||
237 | |||
238 | state.run_display = true; | ||
239 | while (wl_display_dispatch(state.display) != -1 && state.run_display) { | ||
240 | // This space intentionally left blank | ||
210 | } | 241 | } |
211 | list_free(surfaces); | ||
212 | registry_teardown(registry); | ||
213 | return 0; | 242 | return 0; |
214 | } | 243 | } |
diff --git a/swaybg/meson.build b/swaybg/meson.build new file mode 100644 index 00000000..8704de6d --- /dev/null +++ b/swaybg/meson.build | |||
@@ -0,0 +1,18 @@ | |||
1 | executable( | ||
2 | 'swaybg', | ||
3 | 'main.c', | ||
4 | include_directories: [sway_inc], | ||
5 | dependencies: [ | ||
6 | cairo, | ||
7 | client_protos, | ||
8 | gdk_pixbuf, | ||
9 | jsonc, | ||
10 | math, | ||
11 | pango, | ||
12 | pangocairo, | ||
13 | wayland_client, | ||
14 | wlroots, | ||
15 | ], | ||
16 | link_with: [lib_sway_common, lib_sway_client], | ||
17 | install: true | ||
18 | ) | ||