diff options
Diffstat (limited to 'swaybar/render.c')
-rw-r--r-- | swaybar/render.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/swaybar/render.c b/swaybar/render.c new file mode 100644 index 00000000..1e1554c5 --- /dev/null +++ b/swaybar/render.c | |||
@@ -0,0 +1,311 @@ | |||
1 | #include <stdlib.h> | ||
2 | #include <stdint.h> | ||
3 | #include <string.h> | ||
4 | |||
5 | #include "client/pango.h" | ||
6 | #include "client/window.h" | ||
7 | #include "config.h" | ||
8 | #include "status_line.h" | ||
9 | #include "render.h" | ||
10 | |||
11 | static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { | ||
12 | cairo_set_source_rgba(cairo, | ||
13 | ((color & 0xFF000000) >> 24) / 256.0, | ||
14 | ((color & 0xFF0000) >> 16) / 256.0, | ||
15 | ((color & 0xFF00) >> 8) / 256.0, | ||
16 | (color & 0xFF) / 256.0); | ||
17 | } | ||
18 | |||
19 | /** | ||
20 | * Renders a sharp line of any width and height. | ||
21 | * | ||
22 | * The line is drawn from (x,y) to (x+width,y+height) where width/height is 0 | ||
23 | * if the line has a width/height of one pixel, respectively. | ||
24 | */ | ||
25 | static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) { | ||
26 | cairo_set_source_u32(cairo, color); | ||
27 | |||
28 | if (width > 1 && height > 1) { | ||
29 | cairo_rectangle(cairo, x, y, width, height); | ||
30 | cairo_fill(cairo); | ||
31 | } else { | ||
32 | if (width == 1) { | ||
33 | x += 0.5; | ||
34 | height += y; | ||
35 | width = x; | ||
36 | } | ||
37 | |||
38 | if (height == 1) { | ||
39 | y += 0.5; | ||
40 | width += x; | ||
41 | height = y; | ||
42 | } | ||
43 | |||
44 | cairo_move_to(cairo, x, y); | ||
45 | cairo_set_line_width(cairo, 1.0); | ||
46 | cairo_line_to(cairo, width, height); | ||
47 | cairo_stroke(cairo); | ||
48 | } | ||
49 | } | ||
50 | |||
51 | static void render_block(struct window *window, struct swaybar_config *config, struct status_block *block, double *x, bool edge) { | ||
52 | int width, height, sep_width; | ||
53 | get_text_size(window, &width, &height, "%s", block->full_text); | ||
54 | |||
55 | int textwidth = width; | ||
56 | double block_width = width; | ||
57 | |||
58 | if (width < block->min_width) { | ||
59 | width = block->min_width; | ||
60 | } | ||
61 | |||
62 | *x -= width; | ||
63 | |||
64 | if (block->border != 0 && block->border_left > 0) { | ||
65 | *x -= (block->border_left + config->margin); | ||
66 | block_width += block->border_left + config->margin; | ||
67 | } | ||
68 | |||
69 | if (block->border != 0 && block->border_right > 0) { | ||
70 | *x -= (block->border_right + config->margin); | ||
71 | block_width += block->border_right + config->margin; | ||
72 | } | ||
73 | |||
74 | // Add separator | ||
75 | if (!edge) { | ||
76 | if (config->sep_symbol) { | ||
77 | get_text_size(window, &sep_width, &height, "%s", config->sep_symbol); | ||
78 | if (sep_width > block->separator_block_width) { | ||
79 | block->separator_block_width = sep_width + config->margin * 2; | ||
80 | } | ||
81 | } | ||
82 | |||
83 | *x -= block->separator_block_width; | ||
84 | } else { | ||
85 | *x -= config->margin; | ||
86 | } | ||
87 | |||
88 | double pos = *x; | ||
89 | |||
90 | // render background | ||
91 | if (block->background != 0x0) { | ||
92 | cairo_set_source_u32(window->cairo, block->background); | ||
93 | cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, window->height - 2); | ||
94 | cairo_fill(window->cairo); | ||
95 | } | ||
96 | |||
97 | // render top border | ||
98 | if (block->border != 0 && block->border_top > 0) { | ||
99 | render_sharp_line(window->cairo, block->border, | ||
100 | pos - 0.5, | ||
101 | 1, | ||
102 | block_width, | ||
103 | block->border_top); | ||
104 | } | ||
105 | |||
106 | // render bottom border | ||
107 | if (block->border != 0 && block->border_bottom > 0) { | ||
108 | render_sharp_line(window->cairo, block->border, | ||
109 | pos - 0.5, | ||
110 | window->height - 1 - block->border_bottom, | ||
111 | block_width, | ||
112 | block->border_bottom); | ||
113 | } | ||
114 | |||
115 | // render left border | ||
116 | if (block->border != 0 && block->border_left > 0) { | ||
117 | render_sharp_line(window->cairo, block->border, | ||
118 | pos - 0.5, | ||
119 | 1, | ||
120 | block->border_left, | ||
121 | window->height - 2); | ||
122 | |||
123 | pos += block->border_left + config->margin; | ||
124 | } | ||
125 | |||
126 | // render text | ||
127 | double offset = 0; | ||
128 | |||
129 | if (strncmp(block->align, "left", 5) == 0) { | ||
130 | offset = pos; | ||
131 | } else if (strncmp(block->align, "right", 5) == 0) { | ||
132 | offset = pos + width - textwidth; | ||
133 | } else if (strncmp(block->align, "center", 6) == 0) { | ||
134 | offset = pos + (width - textwidth) / 2; | ||
135 | } | ||
136 | |||
137 | cairo_move_to(window->cairo, offset, config->margin); | ||
138 | cairo_set_source_u32(window->cairo, block->color); | ||
139 | pango_printf(window, "%s", block->full_text); | ||
140 | |||
141 | pos += width; | ||
142 | |||
143 | // render right border | ||
144 | if (block->border != 0 && block->border_right > 0) { | ||
145 | pos += config->margin; | ||
146 | |||
147 | render_sharp_line(window->cairo, block->border, | ||
148 | pos - 0.5, | ||
149 | 1, | ||
150 | block->border_right, | ||
151 | window->height - 2); | ||
152 | |||
153 | pos += block->border_right; | ||
154 | } | ||
155 | |||
156 | // render separator | ||
157 | if (!edge && block->separator) { | ||
158 | cairo_set_source_u32(window->cairo, config->colors.separator); | ||
159 | if (config->sep_symbol) { | ||
160 | offset = pos + (block->separator_block_width - sep_width) / 2; | ||
161 | cairo_move_to(window->cairo, offset, config->margin); | ||
162 | pango_printf(window, "%s", config->sep_symbol); | ||
163 | } else { | ||
164 | cairo_set_line_width(window->cairo, 1); | ||
165 | cairo_move_to(window->cairo, pos + block->separator_block_width/2, | ||
166 | config->margin); | ||
167 | cairo_line_to(window->cairo, pos + block->separator_block_width/2, | ||
168 | window->height - config->margin); | ||
169 | cairo_stroke(window->cairo); | ||
170 | } | ||
171 | } | ||
172 | |||
173 | } | ||
174 | |||
175 | static char *handle_workspace_number(bool strip_num, const char *ws_name) { | ||
176 | bool strip = false; | ||
177 | int i; | ||
178 | |||
179 | if (strip_num) { | ||
180 | int len = strlen(ws_name); | ||
181 | for (i = 0; i < len; ++i) { | ||
182 | if (!('0' <= ws_name[i] && ws_name[i] <= '9')) { | ||
183 | if (':' == ws_name[i] && i < len-1 && i > 0) { | ||
184 | strip = true; | ||
185 | ++i; | ||
186 | } | ||
187 | break; | ||
188 | } | ||
189 | } | ||
190 | } | ||
191 | |||
192 | if (strip) { | ||
193 | return strdup(ws_name + i); | ||
194 | } | ||
195 | |||
196 | return strdup(ws_name); | ||
197 | } | ||
198 | |||
199 | static void render_workspace_button(struct window *window, struct swaybar_config *config, struct workspace *ws, double *x) { | ||
200 | // strip workspace numbers if required | ||
201 | char *name = handle_workspace_number(config->strip_workspace_numbers, ws->name); | ||
202 | |||
203 | int width, height; | ||
204 | get_text_size(window, &width, &height, "%s", name); | ||
205 | struct box_colors box_colors; | ||
206 | if (ws->urgent) { | ||
207 | box_colors = config->colors.urgent_workspace; | ||
208 | } else if (ws->focused) { | ||
209 | box_colors = config->colors.focused_workspace; | ||
210 | } else if (ws->visible) { | ||
211 | box_colors = config->colors.active_workspace; | ||
212 | } else { | ||
213 | box_colors = config->colors.inactive_workspace; | ||
214 | } | ||
215 | |||
216 | // background | ||
217 | cairo_set_source_u32(window->cairo, box_colors.background); | ||
218 | cairo_rectangle(window->cairo, *x, 1.5, width + config->ws_horizontal_padding * 2 - 1, | ||
219 | height + config->ws_vertical_padding * 2); | ||
220 | cairo_fill(window->cairo); | ||
221 | |||
222 | // border | ||
223 | cairo_set_source_u32(window->cairo, box_colors.border); | ||
224 | cairo_rectangle(window->cairo, *x, 1.5, width + config->ws_horizontal_padding * 2 - 1, | ||
225 | height + config->ws_vertical_padding * 2); | ||
226 | cairo_stroke(window->cairo); | ||
227 | |||
228 | // text | ||
229 | cairo_set_source_u32(window->cairo, box_colors.text); | ||
230 | cairo_move_to(window->cairo, (int)*x + config->ws_horizontal_padding, config->margin); | ||
231 | pango_printf(window, "%s", name); | ||
232 | |||
233 | *x += width + config->ws_horizontal_padding * 2 + config->ws_spacing; | ||
234 | |||
235 | free(name); | ||
236 | } | ||
237 | |||
238 | static void render_binding_mode_indicator(struct window *window, struct swaybar_config *config, double pos) { | ||
239 | int width, height; | ||
240 | get_text_size(window, &width, &height, "%s", config->mode); | ||
241 | |||
242 | // background | ||
243 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.background); | ||
244 | cairo_rectangle(window->cairo, pos, 1.5, width + config->ws_horizontal_padding * 2 - 1, | ||
245 | height + config->ws_vertical_padding * 2); | ||
246 | cairo_fill(window->cairo); | ||
247 | |||
248 | // border | ||
249 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.border); | ||
250 | cairo_rectangle(window->cairo, pos, 1.5, width + config->ws_horizontal_padding * 2 - 1, | ||
251 | height + config->ws_vertical_padding * 2); | ||
252 | cairo_stroke(window->cairo); | ||
253 | |||
254 | // text | ||
255 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.text); | ||
256 | cairo_move_to(window->cairo, (int)pos + config->ws_horizontal_padding, config->margin); | ||
257 | pango_printf(window, "%s", config->mode); | ||
258 | } | ||
259 | |||
260 | void render(struct output *output, struct swaybar_config *config, struct status_line *line) { | ||
261 | int i; | ||
262 | |||
263 | struct window *window = output->window; | ||
264 | cairo_t *cairo = window->cairo; | ||
265 | |||
266 | // Clear | ||
267 | cairo_save(cairo); | ||
268 | cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR); | ||
269 | cairo_paint(cairo); | ||
270 | cairo_restore(cairo); | ||
271 | |||
272 | // Background | ||
273 | cairo_set_source_u32(cairo, config->colors.background); | ||
274 | cairo_paint(cairo); | ||
275 | |||
276 | // Command output | ||
277 | cairo_set_source_u32(cairo, config->colors.statusline); | ||
278 | int width, height; | ||
279 | |||
280 | if (line->protocol == TEXT) { | ||
281 | get_text_size(window, &width, &height, "%s", line->text_line); | ||
282 | cairo_move_to(cairo, window->width - config->margin - width, config->margin); | ||
283 | pango_printf(window, "%s", line); | ||
284 | } else if (line->protocol == I3BAR && line->block_line) { | ||
285 | double pos = window->width - 0.5; | ||
286 | bool edge = true; | ||
287 | for (i = line->block_line->length - 1; i >= 0; --i) { | ||
288 | struct status_block *block = line->block_line->items[i]; | ||
289 | if (block->full_text && block->full_text[0]) { | ||
290 | render_block(window, config, block, &pos, edge); | ||
291 | edge = false; | ||
292 | } | ||
293 | } | ||
294 | } | ||
295 | |||
296 | cairo_set_line_width(cairo, 1.0); | ||
297 | double x = 0.5; | ||
298 | |||
299 | // Workspaces | ||
300 | if (config->workspace_buttons) { | ||
301 | for (i = 0; i < output->workspaces->length; ++i) { | ||
302 | struct workspace *ws = output->workspaces->items[i]; | ||
303 | render_workspace_button(window, config, ws, &x); | ||
304 | } | ||
305 | } | ||
306 | |||
307 | // binding mode indicator | ||
308 | if (config->mode && config->binding_mode_indicator) { | ||
309 | render_binding_mode_indicator(window, config, x); | ||
310 | } | ||
311 | } | ||