diff options
author | Drew DeVault <sir@cmpwn.com> | 2016-01-24 09:46:28 -0500 |
---|---|---|
committer | Drew DeVault <sir@cmpwn.com> | 2016-01-24 09:46:28 -0500 |
commit | 4b48a8399a33f3bb5f5d55f87213bb4692a5f1f9 (patch) | |
tree | 1d820cd07f6ba693a89d43caf01b3c8b01390609 /swaybar/render.c | |
parent | numlen(0) == 1 (diff) | |
parent | swaybar: cleanup CmakeLists.txt (diff) | |
download | sway-4b48a8399a33f3bb5f5d55f87213bb4692a5f1f9.tar.gz sway-4b48a8399a33f3bb5f5d55f87213bb4692a5f1f9.tar.zst sway-4b48a8399a33f3bb5f5d55f87213bb4692a5f1f9.zip |
Merge pull request #467 from mikkeloscar/swaybar-refactor
[WIP] Swaybar refactor
Diffstat (limited to 'swaybar/render.c')
-rw-r--r-- | swaybar/render.c | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/swaybar/render.c b/swaybar/render.c new file mode 100644 index 00000000..f3ce6010 --- /dev/null +++ b/swaybar/render.c | |||
@@ -0,0 +1,328 @@ | |||
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 | |||
12 | /* internal spacing */ | ||
13 | static int margin = 3; | ||
14 | static int ws_horizontal_padding = 5; | ||
15 | static double ws_vertical_padding = 1.5; | ||
16 | static int ws_spacing = 1; | ||
17 | |||
18 | static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { | ||
19 | cairo_set_source_rgba(cairo, | ||
20 | ((color & 0xFF000000) >> 24) / 256.0, | ||
21 | ((color & 0xFF0000) >> 16) / 256.0, | ||
22 | ((color & 0xFF00) >> 8) / 256.0, | ||
23 | (color & 0xFF) / 256.0); | ||
24 | } | ||
25 | |||
26 | /** | ||
27 | * Renders a sharp line of any width and height. | ||
28 | * | ||
29 | * The line is drawn from (x,y) to (x+width,y+height) where width/height is 0 | ||
30 | * if the line has a width/height of one pixel, respectively. | ||
31 | */ | ||
32 | static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) { | ||
33 | cairo_set_source_u32(cairo, color); | ||
34 | |||
35 | if (width > 1 && height > 1) { | ||
36 | cairo_rectangle(cairo, x, y, width, height); | ||
37 | cairo_fill(cairo); | ||
38 | } else { | ||
39 | if (width == 1) { | ||
40 | x += 0.5; | ||
41 | height += y; | ||
42 | width = x; | ||
43 | } | ||
44 | |||
45 | if (height == 1) { | ||
46 | y += 0.5; | ||
47 | width += x; | ||
48 | height = y; | ||
49 | } | ||
50 | |||
51 | cairo_move_to(cairo, x, y); | ||
52 | cairo_set_line_width(cairo, 1.0); | ||
53 | cairo_line_to(cairo, width, height); | ||
54 | cairo_stroke(cairo); | ||
55 | } | ||
56 | } | ||
57 | |||
58 | static void render_block(struct window *window, struct config *config, struct status_block *block, double *x, bool edge) { | ||
59 | int width, height, sep_width; | ||
60 | get_text_size(window, &width, &height, "%s", block->full_text); | ||
61 | |||
62 | int textwidth = width; | ||
63 | double block_width = width; | ||
64 | |||
65 | if (width < block->min_width) { | ||
66 | width = block->min_width; | ||
67 | } | ||
68 | |||
69 | *x -= width; | ||
70 | |||
71 | if (block->border != 0 && block->border_left > 0) { | ||
72 | *x -= (block->border_left + margin); | ||
73 | block_width += block->border_left + margin; | ||
74 | } | ||
75 | |||
76 | if (block->border != 0 && block->border_right > 0) { | ||
77 | *x -= (block->border_right + margin); | ||
78 | block_width += block->border_right + margin; | ||
79 | } | ||
80 | |||
81 | // Add separator | ||
82 | if (!edge) { | ||
83 | if (config->sep_symbol) { | ||
84 | get_text_size(window, &sep_width, &height, "%s", config->sep_symbol); | ||
85 | if (sep_width > block->separator_block_width) { | ||
86 | block->separator_block_width = sep_width + margin * 2; | ||
87 | } | ||
88 | } | ||
89 | |||
90 | *x -= block->separator_block_width; | ||
91 | } else { | ||
92 | *x -= margin; | ||
93 | } | ||
94 | |||
95 | double pos = *x; | ||
96 | |||
97 | // render background | ||
98 | if (block->background != 0x0) { | ||
99 | cairo_set_source_u32(window->cairo, block->background); | ||
100 | cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, window->height - 2); | ||
101 | cairo_fill(window->cairo); | ||
102 | } | ||
103 | |||
104 | // render top border | ||
105 | if (block->border != 0 && block->border_top > 0) { | ||
106 | render_sharp_line(window->cairo, block->border, | ||
107 | pos - 0.5, | ||
108 | 1, | ||
109 | block_width, | ||
110 | block->border_top); | ||
111 | } | ||
112 | |||
113 | // render bottom border | ||
114 | if (block->border != 0 && block->border_bottom > 0) { | ||
115 | render_sharp_line(window->cairo, block->border, | ||
116 | pos - 0.5, | ||
117 | window->height - 1 - block->border_bottom, | ||
118 | block_width, | ||
119 | block->border_bottom); | ||
120 | } | ||
121 | |||
122 | // render left border | ||
123 | if (block->border != 0 && block->border_left > 0) { | ||
124 | render_sharp_line(window->cairo, block->border, | ||
125 | pos - 0.5, | ||
126 | 1, | ||
127 | block->border_left, | ||
128 | window->height - 2); | ||
129 | |||
130 | pos += block->border_left + margin; | ||
131 | } | ||
132 | |||
133 | // render text | ||
134 | double offset = 0; | ||
135 | |||
136 | if (strncmp(block->align, "left", 5) == 0) { | ||
137 | offset = pos; | ||
138 | } else if (strncmp(block->align, "right", 5) == 0) { | ||
139 | offset = pos + width - textwidth; | ||
140 | } else if (strncmp(block->align, "center", 6) == 0) { | ||
141 | offset = pos + (width - textwidth) / 2; | ||
142 | } | ||
143 | |||
144 | cairo_move_to(window->cairo, offset, margin); | ||
145 | cairo_set_source_u32(window->cairo, block->color); | ||
146 | pango_printf(window, "%s", block->full_text); | ||
147 | |||
148 | pos += width; | ||
149 | |||
150 | // render right border | ||
151 | if (block->border != 0 && block->border_right > 0) { | ||
152 | pos += margin; | ||
153 | |||
154 | render_sharp_line(window->cairo, block->border, | ||
155 | pos - 0.5, | ||
156 | 1, | ||
157 | block->border_right, | ||
158 | window->height - 2); | ||
159 | |||
160 | pos += block->border_right; | ||
161 | } | ||
162 | |||
163 | // render separator | ||
164 | if (!edge && block->separator) { | ||
165 | cairo_set_source_u32(window->cairo, config->colors.separator); | ||
166 | if (config->sep_symbol) { | ||
167 | offset = pos + (block->separator_block_width - sep_width) / 2; | ||
168 | cairo_move_to(window->cairo, offset, margin); | ||
169 | pango_printf(window, "%s", config->sep_symbol); | ||
170 | } else { | ||
171 | cairo_set_line_width(window->cairo, 1); | ||
172 | cairo_move_to(window->cairo, pos + block->separator_block_width/2, | ||
173 | margin); | ||
174 | cairo_line_to(window->cairo, pos + block->separator_block_width/2, | ||
175 | window->height - margin); | ||
176 | cairo_stroke(window->cairo); | ||
177 | } | ||
178 | } | ||
179 | |||
180 | } | ||
181 | |||
182 | static char *handle_workspace_number(bool strip_num, const char *ws_name) { | ||
183 | bool strip = false; | ||
184 | int i; | ||
185 | |||
186 | if (strip_num) { | ||
187 | int len = strlen(ws_name); | ||
188 | for (i = 0; i < len; ++i) { | ||
189 | if (!('0' <= ws_name[i] && ws_name[i] <= '9')) { | ||
190 | if (':' == ws_name[i] && i < len-1 && i > 0) { | ||
191 | strip = true; | ||
192 | ++i; | ||
193 | } | ||
194 | break; | ||
195 | } | ||
196 | } | ||
197 | } | ||
198 | |||
199 | if (strip) { | ||
200 | return strdup(ws_name + i); | ||
201 | } | ||
202 | |||
203 | return strdup(ws_name); | ||
204 | } | ||
205 | |||
206 | static void render_workspace_button(struct window *window, struct config *config, struct workspace *ws, double *x) { | ||
207 | // strip workspace numbers if required | ||
208 | char *name = handle_workspace_number(config->strip_workspace_numbers, ws->name); | ||
209 | |||
210 | int width, height; | ||
211 | get_text_size(window, &width, &height, "%s", name); | ||
212 | struct box_colors box_colors; | ||
213 | if (ws->urgent) { | ||
214 | box_colors = config->colors.urgent_workspace; | ||
215 | } else if (ws->focused) { | ||
216 | box_colors = config->colors.focused_workspace; | ||
217 | } else if (ws->visible) { | ||
218 | box_colors = config->colors.active_workspace; | ||
219 | } else { | ||
220 | box_colors = config->colors.inactive_workspace; | ||
221 | } | ||
222 | |||
223 | // background | ||
224 | cairo_set_source_u32(window->cairo, box_colors.background); | ||
225 | cairo_rectangle(window->cairo, *x, 1.5, width + ws_horizontal_padding * 2 - 1, | ||
226 | height + ws_vertical_padding * 2); | ||
227 | cairo_fill(window->cairo); | ||
228 | |||
229 | // border | ||
230 | cairo_set_source_u32(window->cairo, box_colors.border); | ||
231 | cairo_rectangle(window->cairo, *x, 1.5, width + ws_horizontal_padding * 2 - 1, | ||
232 | height + ws_vertical_padding * 2); | ||
233 | cairo_stroke(window->cairo); | ||
234 | |||
235 | // text | ||
236 | cairo_set_source_u32(window->cairo, box_colors.text); | ||
237 | cairo_move_to(window->cairo, (int)*x + ws_horizontal_padding, margin); | ||
238 | pango_printf(window, "%s", name); | ||
239 | |||
240 | *x += width + ws_horizontal_padding * 2 + ws_spacing; | ||
241 | |||
242 | free(name); | ||
243 | } | ||
244 | |||
245 | static void render_binding_mode_indicator(struct window *window, struct config *config, double pos) { | ||
246 | int width, height; | ||
247 | get_text_size(window, &width, &height, "%s", config->mode); | ||
248 | |||
249 | // background | ||
250 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.background); | ||
251 | cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1, | ||
252 | height + ws_vertical_padding * 2); | ||
253 | cairo_fill(window->cairo); | ||
254 | |||
255 | // border | ||
256 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.border); | ||
257 | cairo_rectangle(window->cairo, pos, 1.5, width + ws_horizontal_padding * 2 - 1, | ||
258 | height + ws_vertical_padding * 2); | ||
259 | cairo_stroke(window->cairo); | ||
260 | |||
261 | // text | ||
262 | cairo_set_source_u32(window->cairo, config->colors.binding_mode.text); | ||
263 | cairo_move_to(window->cairo, (int)pos + ws_horizontal_padding, margin); | ||
264 | pango_printf(window, "%s", config->mode); | ||
265 | } | ||
266 | |||
267 | void render(struct output *output, struct config *config, struct status_line *line) { | ||
268 | int i; | ||
269 | |||
270 | struct window *window = output->window; | ||
271 | cairo_t *cairo = window->cairo; | ||
272 | |||
273 | // Clear | ||
274 | cairo_save(cairo); | ||
275 | cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR); | ||
276 | cairo_paint(cairo); | ||
277 | cairo_restore(cairo); | ||
278 | |||
279 | // Background | ||
280 | cairo_set_source_u32(cairo, config->colors.background); | ||
281 | cairo_paint(cairo); | ||
282 | |||
283 | // Command output | ||
284 | cairo_set_source_u32(cairo, config->colors.statusline); | ||
285 | int width, height; | ||
286 | |||
287 | if (line->protocol == TEXT) { | ||
288 | get_text_size(window, &width, &height, "%s", line->text_line); | ||
289 | cairo_move_to(cairo, window->width - margin - width, margin); | ||
290 | pango_printf(window, "%s", line); | ||
291 | } else if (line->protocol == I3BAR && line->block_line) { | ||
292 | double pos = window->width - 0.5; | ||
293 | bool edge = true; | ||
294 | for (i = line->block_line->length - 1; i >= 0; --i) { | ||
295 | struct status_block *block = line->block_line->items[i]; | ||
296 | if (block->full_text && block->full_text[0]) { | ||
297 | render_block(window, config, block, &pos, edge); | ||
298 | edge = false; | ||
299 | } | ||
300 | } | ||
301 | } | ||
302 | |||
303 | cairo_set_line_width(cairo, 1.0); | ||
304 | double x = 0.5; | ||
305 | |||
306 | // Workspaces | ||
307 | if (config->workspace_buttons) { | ||
308 | for (i = 0; i < output->workspaces->length; ++i) { | ||
309 | struct workspace *ws = output->workspaces->items[i]; | ||
310 | render_workspace_button(window, config, ws, &x); | ||
311 | } | ||
312 | } | ||
313 | |||
314 | // binding mode indicator | ||
315 | if (config->mode && config->binding_mode_indicator) { | ||
316 | render_binding_mode_indicator(window, config, x); | ||
317 | } | ||
318 | } | ||
319 | |||
320 | void set_window_height(struct window *window, int height) { | ||
321 | int text_width, text_height; | ||
322 | get_text_size(window, &text_width, &text_height, "Test string for measuring purposes"); | ||
323 | if (height > 0) { | ||
324 | margin = (height - text_height) / 2; | ||
325 | ws_vertical_padding = margin - 1.5; | ||
326 | } | ||
327 | window->height = text_height + margin * 2; | ||
328 | } | ||