-
-
Notifications
You must be signed in to change notification settings - Fork 692
/
bar.cpp
961 lines (817 loc) · 31.3 KB
/
bar.cpp
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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
#include "components/bar.hpp"
#include <algorithm>
#include "components/config.hpp"
#include "components/renderer.hpp"
#include "components/screen.hpp"
#include "components/types.hpp"
#include "drawtypes/label.hpp"
#include "events/signal.hpp"
#include "events/signal_emitter.hpp"
#include "tags/dispatch.hpp"
#include "utils/bspwm.hpp"
#include "utils/color.hpp"
#include "utils/math.hpp"
#include "utils/restack.hpp"
#include "utils/string.hpp"
#include "utils/units.hpp"
#include "x11/atoms.hpp"
#include "x11/connection.hpp"
#include "x11/ewmh.hpp"
#include "x11/extensions/all.hpp"
#include "x11/icccm.hpp"
#include "x11/legacy_tray_manager.hpp"
#if WITH_XCURSOR
#include "x11/cursor.hpp"
#endif
#if ENABLE_I3
#include "utils/i3.hpp"
#endif
POLYBAR_NS
using namespace signals::ui;
using namespace eventloop;
/**
* Create instance
*/
bar::make_type bar::make(loop& loop, const config& config, bool only_initialize_values) {
auto action_ctxt = make_unique<tags::action_context>();
// clang-format off
return std::make_unique<bar>(
connection::make(),
signal_emitter::make(),
config,
logger::make(),
loop,
screen::make(config),
tags::dispatch::make(*action_ctxt),
std::move(action_ctxt),
only_initialize_values);
// clang-format on
}
/**
* Construct bar instance
*/
bar::bar(connection& conn, signal_emitter& emitter, const config& config, const logger& logger, loop& loop,
unique_ptr<screen>&& screen, unique_ptr<tags::dispatch>&& dispatch, unique_ptr<tags::action_context>&& action_ctxt,
bool only_initialize_values)
: m_connection(conn)
, m_sig(emitter)
, m_conf(config)
, m_log(logger)
, m_loop(loop)
, m_screen(forward<decltype(screen)>(screen))
, m_dispatch(forward<decltype(dispatch)>(dispatch))
, m_action_ctxt(forward<decltype(action_ctxt)>(action_ctxt)) {
string bs{m_conf.section()};
m_tray = legacy_tray::tray_manager::make(m_opts);
// Get available RandR outputs
auto monitor_name = m_conf.get(bs, "monitor", ""s);
auto monitor_name_fallback = m_conf.get(bs, "monitor-fallback", ""s);
m_opts.monitor_strict = m_conf.get(bs, "monitor-strict", m_opts.monitor_strict);
m_opts.monitor_exact = m_conf.get(bs, "monitor-exact", m_opts.monitor_exact);
auto monitors = randr_util::get_monitors(m_connection, m_opts.monitor_strict, false);
if (monitors.empty()) {
throw application_error("No monitors found");
}
// if monitor_name is not defined, first check for primary monitor
if (monitor_name.empty()) {
for (auto&& mon : monitors) {
if (mon->primary) {
monitor_name = mon->name;
break;
}
}
}
// if still not found (and not strict matching), get first connected monitor
if (monitor_name.empty() && !m_opts.monitor_strict) {
auto connected_monitors = randr_util::get_monitors(m_connection, true, false);
if (!connected_monitors.empty()) {
monitor_name = connected_monitors[0]->name;
m_log.warn("No monitor specified, using \"%s\"", monitor_name);
}
}
// if still not found, get first monitor
if (monitor_name.empty()) {
monitor_name = monitors[0]->name;
m_log.warn("No monitor specified, using \"%s\"", monitor_name);
}
// get the monitor data based on the name
m_opts.monitor = randr_util::match_monitor(monitors, monitor_name, m_opts.monitor_exact);
monitor_t fallback{};
if (!monitor_name_fallback.empty()) {
fallback = randr_util::match_monitor(monitors, monitor_name_fallback, m_opts.monitor_exact);
}
if (!m_opts.monitor) {
if (fallback) {
m_opts.monitor = move(fallback);
m_log.warn("Monitor \"%s\" not found, reverting to fallback \"%s\"", monitor_name, m_opts.monitor->name);
} else {
throw application_error("Monitor \"" + monitor_name + "\" not found or disconnected");
}
}
m_log.info("Loaded monitor %s (%ix%i+%i+%i)", m_opts.monitor->name, m_opts.monitor->w, m_opts.monitor->h,
m_opts.monitor->x, m_opts.monitor->y);
m_opts.override_redirect = m_conf.deprecated(bs, "dock", "override-redirect", m_opts.override_redirect);
m_opts.dimvalue = m_conf.get(bs, "dim-value", 1.0);
m_opts.dimvalue = math_util::cap(m_opts.dimvalue, 0.0, 1.0);
#if WITH_XCURSOR
m_opts.cursor_click = m_conf.get(bs, "cursor-click", ""s);
if (!m_opts.cursor_click.empty() && !cursor_util::valid(m_opts.cursor_click)) {
m_log.warn("Ignoring unsupported cursor-click option '%s'", m_opts.cursor_click);
m_opts.cursor_click.clear();
}
m_opts.cursor_scroll = m_conf.get(bs, "cursor-scroll", ""s);
if (!m_opts.cursor_scroll.empty() && !cursor_util::valid(m_opts.cursor_scroll)) {
m_log.warn("Ignoring unsupported cursor-scroll option '%s'", m_opts.cursor_scroll);
m_opts.cursor_scroll.clear();
}
#else
if (m_conf.has(bs, "cursor-click")) {
m_log.warn("Polybar was not compiled with xcursor support, ignoring cursor-click option");
}
if (m_conf.has(bs, "cursor-scroll")) {
m_log.warn("Polybar was not compiled with xcursor support, ignoring cursor-scroll option");
}
#endif
// Build WM_NAME
m_opts.wmname = m_conf.get(bs, "wm-name", "polybar-" + bs.substr(4) + "_" + m_opts.monitor->name);
m_opts.wmname = string_util::replace(m_opts.wmname, " ", "-");
// Configure DPI
{
double dpi_x = 96, dpi_y = 96;
if (m_conf.has(m_conf.section(), "dpi")) {
dpi_x = dpi_y = m_conf.get<double>("dpi");
} else {
if (m_conf.has(m_conf.section(), "dpi-x")) {
dpi_x = m_conf.get<double>("dpi-x");
}
if (m_conf.has(m_conf.section(), "dpi-y")) {
dpi_y = m_conf.get<double>("dpi-y");
}
}
// dpi to be computed
if (dpi_x <= 0 || dpi_y <= 0) {
auto screen = m_connection.screen();
if (dpi_x <= 0) {
dpi_x = screen->width_in_pixels * 25.4 / screen->width_in_millimeters;
}
if (dpi_y <= 0) {
dpi_y = screen->height_in_pixels * 25.4 / screen->height_in_millimeters;
}
}
m_opts.dpi_x = dpi_x;
m_opts.dpi_y = dpi_y;
m_log.info("Configured DPI = %gx%g", dpi_x, dpi_y);
}
// Load configuration values
m_opts.bottom = m_conf.get(bs, "bottom", m_opts.bottom);
m_opts.spacing = m_conf.get(bs, "spacing", m_opts.spacing);
m_opts.separator = drawtypes::load_optional_label(m_conf, bs, "separator", "");
m_opts.locale = m_conf.get(bs, "locale", ""s);
auto radius = m_conf.get<double>(bs, "radius", 0.0);
auto top = m_conf.get(bs, "radius-top", radius);
m_opts.radius.top_left = m_conf.get(bs, "radius-top-left", top);
m_opts.radius.top_right = m_conf.get(bs, "radius-top-right", top);
auto bottom = m_conf.get(bs, "radius-bottom", radius);
m_opts.radius.bottom_left = m_conf.get(bs, "radius-bottom-left", bottom);
m_opts.radius.bottom_right = m_conf.get(bs, "radius-bottom-right", bottom);
auto padding = m_conf.get(bs, "padding", ZERO_SPACE);
m_opts.padding.left = m_conf.get(bs, "padding-left", padding);
m_opts.padding.right = m_conf.get(bs, "padding-right", padding);
auto margin = m_conf.get(bs, "module-margin", ZERO_SPACE);
m_opts.module_margin.left = m_conf.get(bs, "module-margin-left", margin);
m_opts.module_margin.right = m_conf.get(bs, "module-margin-right", margin);
m_opts.double_click_interval = m_conf.get(bs, "double-click-interval", m_opts.double_click_interval);
m_opts.struts = m_conf.get(bs, "enable-struts", m_opts.struts);
if (only_initialize_values) {
return;
}
// Load values used to adjust the struts atom
if (!m_opts.struts) {
if (m_conf.has("global/wm", "margin-bottom")) {
m_log.warn("Struts are disabled, ignoring margin-bottom");
}
if (m_conf.has("global/wm", "margin-top")) {
m_log.warn("Struts are disabled, ignoring margin-top");
}
}
auto margin_top = m_conf.get("global/wm", "margin-top", percentage_with_offset{});
auto margin_bottom = m_conf.get("global/wm", "margin-bottom", percentage_with_offset{});
m_opts.strut.top = units_utils::percentage_with_offset_to_pixel(margin_top, m_opts.monitor->h, m_opts.dpi_y);
m_opts.strut.bottom = units_utils::percentage_with_offset_to_pixel(margin_bottom, m_opts.monitor->h, m_opts.dpi_y);
// Load commands used for fallback click handlers
vector<action> actions;
actions.emplace_back(action{mousebtn::LEFT, m_conf.get(bs, "click-left", ""s)});
actions.emplace_back(action{mousebtn::MIDDLE, m_conf.get(bs, "click-middle", ""s)});
actions.emplace_back(action{mousebtn::RIGHT, m_conf.get(bs, "click-right", ""s)});
actions.emplace_back(action{mousebtn::SCROLL_UP, m_conf.get(bs, "scroll-up", ""s)});
actions.emplace_back(action{mousebtn::SCROLL_DOWN, m_conf.get(bs, "scroll-down", ""s)});
actions.emplace_back(action{mousebtn::DOUBLE_LEFT, m_conf.get(bs, "double-click-left", ""s)});
actions.emplace_back(action{mousebtn::DOUBLE_MIDDLE, m_conf.get(bs, "double-click-middle", ""s)});
actions.emplace_back(action{mousebtn::DOUBLE_RIGHT, m_conf.get(bs, "double-click-right", ""s)});
for (auto&& act : actions) {
if (!act.command.empty()) {
m_opts.actions.emplace_back(action{act.button, act.command});
}
}
const auto parse_or_throw_color = [&](string key, rgba def) -> rgba {
try {
rgba color = m_conf.get(bs, key, def);
/*
* These are the base colors of the bar and cannot be alpha only
* In that case, we just use the alpha channel on the default value.
*/
return color.try_apply_alpha_to(def);
} catch (const exception& err) {
throw application_error(sstream() << "Failed to set " << key << " (reason: " << err.what() << ")");
}
};
// Load background
for (auto&& step : m_conf.get_list<rgba>(bs, "background", {})) {
m_opts.background_steps.emplace_back(step);
}
if (!m_opts.background_steps.empty()) {
m_opts.background = m_opts.background_steps[0];
if (m_conf.has(bs, "background")) {
m_log.warn("Ignoring `%s.background` (overridden by gradient background)", bs);
}
} else {
m_opts.background = parse_or_throw_color("background", m_opts.background);
}
// Load foreground
m_opts.foreground = parse_or_throw_color("foreground", m_opts.foreground);
// Load over-/underline
auto line_color = m_conf.get(bs, "line-color", rgba{0xFFFF0000});
auto line_size = m_conf.get(bs, "line-size", ZERO_PX_EXTENT);
auto overline_size = m_conf.get(bs, "overline-size", line_size);
auto underline_size = m_conf.get(bs, "underline-size", line_size);
m_opts.overline.size = units_utils::extent_to_pixel_nonnegative(overline_size, m_opts.dpi_y);
m_opts.overline.color = parse_or_throw_color("overline-color", line_color);
m_opts.underline.size = units_utils::extent_to_pixel_nonnegative(underline_size, m_opts.dpi_y);
m_opts.underline.color = parse_or_throw_color("underline-color", line_color);
// Load border settings
auto border_color = m_conf.get(bs, "border-color", rgba{0x00000000});
auto border_size = m_conf.get(bs, "border-size", percentage_with_offset{});
auto border_top = m_conf.deprecated(bs, "border-top", "border-top-size", border_size);
auto border_bottom = m_conf.deprecated(bs, "border-bottom", "border-bottom-size", border_size);
auto border_left = m_conf.deprecated(bs, "border-left", "border-left-size", border_size);
auto border_right = m_conf.deprecated(bs, "border-right", "border-right-size", border_size);
m_opts.borders.emplace(edge::TOP, border_settings{});
m_opts.borders[edge::TOP].size =
units_utils::percentage_with_offset_to_pixel_nonnegative(border_top, m_opts.monitor->h, m_opts.dpi_y);
m_opts.borders[edge::TOP].color = parse_or_throw_color("border-top-color", border_color);
m_opts.borders.emplace(edge::BOTTOM, border_settings{});
m_opts.borders[edge::BOTTOM].size =
units_utils::percentage_with_offset_to_pixel_nonnegative(border_bottom, m_opts.monitor->h, m_opts.dpi_y);
m_opts.borders[edge::BOTTOM].color = parse_or_throw_color("border-bottom-color", border_color);
m_opts.borders.emplace(edge::LEFT, border_settings{});
m_opts.borders[edge::LEFT].size =
units_utils::percentage_with_offset_to_pixel_nonnegative(border_left, m_opts.monitor->w, m_opts.dpi_x);
m_opts.borders[edge::LEFT].color = parse_or_throw_color("border-left-color", border_color);
m_opts.borders.emplace(edge::RIGHT, border_settings{});
m_opts.borders[edge::RIGHT].size =
units_utils::percentage_with_offset_to_pixel_nonnegative(border_right, m_opts.monitor->w, m_opts.dpi_x);
m_opts.borders[edge::RIGHT].color = parse_or_throw_color("border-right-color", border_color);
// Load geometry values
auto w = m_conf.get(m_conf.section(), "width", percentage_with_offset{100.});
auto h = m_conf.get(m_conf.section(), "height", percentage_with_offset{0., {extent_type::PIXEL, 24}});
auto offsetx = m_conf.get(m_conf.section(), "offset-x", percentage_with_offset{});
auto offsety = m_conf.get(m_conf.section(), "offset-y", percentage_with_offset{});
m_opts.size.w = units_utils::percentage_with_offset_to_pixel_nonnegative(w, m_opts.monitor->w, m_opts.dpi_x);
m_opts.size.h = units_utils::percentage_with_offset_to_pixel_nonnegative(h, m_opts.monitor->h, m_opts.dpi_y);
m_opts.offset.x = units_utils::percentage_with_offset_to_pixel(offsetx, m_opts.monitor->w, m_opts.dpi_x);
m_opts.offset.y = units_utils::percentage_with_offset_to_pixel(offsety, m_opts.monitor->h, m_opts.dpi_y);
// Apply offsets
m_opts.pos.x = m_opts.offset.x + m_opts.monitor->x;
m_opts.pos.y = m_opts.offset.y + m_opts.monitor->y;
m_opts.size.h += m_opts.borders[edge::TOP].size;
m_opts.size.h += m_opts.borders[edge::BOTTOM].size;
if (m_opts.bottom) {
m_opts.pos.y = m_opts.monitor->y + m_opts.monitor->h - m_opts.size.h - m_opts.offset.y;
}
if (m_opts.size.w <= 0 || m_opts.size.w > m_opts.monitor->w) {
throw application_error("Resulting bar width is out of bounds (" + to_string(m_opts.size.w) + ")");
} else if (m_opts.size.h <= 0 || m_opts.size.h > m_opts.monitor->h) {
throw application_error("Resulting bar height is out of bounds (" + to_string(m_opts.size.h) + ")");
}
m_log.info("Bar geometry: %ix%i+%i+%i; Borders: %d,%d,%d,%d", m_opts.size.w, m_opts.size.h, m_opts.pos.x,
m_opts.pos.y, m_opts.borders[edge::TOP].size, m_opts.borders[edge::RIGHT].size, m_opts.borders[edge::BOTTOM].size,
m_opts.borders[edge::LEFT].size);
m_log.trace("bar: Attach X event sink");
m_connection.attach_sink(this, SINK_PRIORITY_BAR);
m_log.trace("bar: Attach signal receiver");
m_sig.attach(this);
}
/**
* Cleanup signal handlers and destroy the bar window
*/
bar::~bar() {
m_connection.detach_sink(this, SINK_PRIORITY_BAR);
m_sig.detach(this);
}
/**
* Get the bar settings container
*/
const bar_settings& bar::settings() const {
return m_opts;
}
/**
* Parse input string and redraw the bar window
*
* @param data Input string
* @param force Unless true, do not parse unchanged data
*/
void bar::parse(string&& data, bool force) {
bool unchanged = data == m_lastinput;
m_lastinput = data;
if (force) {
m_log.trace("bar: Force update");
} else if (!m_visible) {
return m_log.trace("bar: Ignoring update (invisible)");
} else if (unchanged) {
return m_log.trace("bar: Ignoring update (unchanged)");
}
auto rect = m_opts.inner_area();
if (m_tray && !m_tray->settings().detached && m_tray->settings().configured_slots) {
auto tray_pos = m_tray->settings().tray_position;
auto traywidth = m_tray->settings().configured_w;
if (tray_pos == legacy_tray::tray_postition::LEFT) {
rect.x += traywidth;
rect.width -= traywidth;
} else if (tray_pos == legacy_tray::tray_postition::RIGHT) {
rect.width -= traywidth;
}
}
m_log.info("Redrawing bar window");
m_renderer->begin(rect);
try {
m_dispatch->parse(settings(), *m_renderer, std::move(data));
} catch (const exception& err) {
m_log.err("Failed to parse contents (reason: %s)", err.what());
}
m_renderer->end();
m_dblclicks.clear();
for (auto&& action : m_opts.actions) {
if (static_cast<int>(action.button) >= static_cast<int>(mousebtn::DOUBLE_LEFT)) {
m_dblclicks.insert(action.button);
}
}
}
/**
* Hide the bar by unmapping its X window
*/
void bar::hide() {
if (!m_visible) {
return;
}
try {
m_log.info("Hiding bar window");
m_visible = false;
reconfigure_struts();
m_sig.emit(visibility_change{false});
m_connection.unmap_window_checked(m_opts.x_data.window);
m_connection.flush();
} catch (const exception& err) {
m_log.err("Failed to unmap bar window (err=%s", err.what());
}
}
/**
* Show the bar by mapping its X window and
* trigger a redraw of previous content
*/
void bar::show() {
if (m_visible) {
return;
}
try {
m_log.info("Showing bar window");
m_sig.emit(visibility_change{true});
map_window();
m_connection.flush();
parse(string{m_lastinput}, true);
} catch (const exception& err) {
m_log.err("Failed to map bar window (err=%s", err.what());
}
}
/**
* Toggle the bar's visibility state
*/
void bar::toggle() {
if (m_visible) {
hide();
} else {
show();
}
}
/**
* Move the bar window above/below defined sibling in the X window stack.
*
* How the sibling is determined depends on the wm-restack setting.
*
* This is meant to resolve polybar appearing above other windows (especially in fullscreen).
*/
void bar::restack_window() {
string wm_restack;
try {
wm_restack = m_conf.get(m_conf.section(), "wm-restack");
} catch (const key_error& err) {
return;
}
xcb_window_t bar_window = m_opts.x_data.window;
restack_util::params restack_params;
if (wm_restack == "generic") {
restack_params = restack_util::get_generic_params(m_connection, bar_window);
} else if (wm_restack == "ewmh") {
restack_params = restack_util::get_ewmh_params(m_connection);
} else if (wm_restack == "bottom") {
restack_params = restack_util::get_bottom_params(m_connection, bar_window);
} else if (wm_restack == "bspwm") {
restack_params = bspwm_util::get_restack_params(m_connection);
#if ENABLE_I3
} else if (wm_restack == "i3" && m_opts.override_redirect) {
restack_params = i3_util::get_restack_params(m_connection);
} else if (wm_restack == "i3" && !m_opts.override_redirect) {
m_log.warn("Ignoring restack of i3 window (not needed when `override-redirect = false`)");
wm_restack.clear();
#endif
} else {
m_log.warn("Ignoring unsupported wm-restack option '%s'", wm_restack);
wm_restack.clear();
}
auto [restack_sibling, stack_mode] = restack_params;
if (restack_sibling != XCB_NONE) {
try {
m_log.info("bar: Restacking bar window relative to %s with stacking mode %s", m_connection.id(restack_sibling),
restack_util::stack_mode_to_string(stack_mode));
restack_util::restack_relative(m_connection, bar_window, restack_sibling, stack_mode);
m_log.info("Successfully restacked bar window");
} catch (const exception& err) {
m_log.err("Failed to restack bar window (err=%s)", err.what());
}
} else if (!wm_restack.empty()) {
m_log.err("Failed to restack bar window: No suitable sibling window for restacking was found");
}
}
void bar::reconfigure_window() {
m_log.trace("bar: Reconfigure window");
restack_window();
reconfigure_geom();
reconfigure_struts();
reconfigure_wm_hints();
}
/**
* Reconfigure window geometry
*/
void bar::reconfigure_geom() {
window win{m_connection, m_opts.x_data.window};
win.reconfigure_geom(m_opts.size.w, m_opts.size.h, m_opts.pos.x, m_opts.pos.y);
}
/**
* Reconfigure window position
*/
void bar::reconfigure_pos() {
window win{m_connection, m_opts.x_data.window};
win.reconfigure_pos(m_opts.pos.x, m_opts.pos.y);
}
/**
* Reconfigure window strut values
*/
void bar::reconfigure_struts() {
if (!m_opts.struts) {
return;
}
window win{m_connection, m_opts.x_data.window};
if (m_visible) {
auto geom = m_connection.get_geometry(m_connection.root());
int h = m_opts.size.h + m_opts.offset.y;
// Apply user-defined margins
if (m_opts.bottom) {
h += m_opts.strut.top;
} else {
h += m_opts.strut.bottom;
}
h = std::max(h, 0);
int correction = 0;
// Only apply correction if any space is requested
if (h > 0) {
/*
* Strut coordinates have to be relative to root window and not any monitor.
* If any monitor is not aligned at the top or bottom
*/
if (m_opts.bottom) {
/*
* For bottom-algined bars, the correction is the number of pixels between
* the root window's bottom edge and the monitor's bottom edge
*/
correction = geom->height - (m_opts.monitor->y + m_opts.monitor->h);
} else {
// For top-aligned bars, we simply add the monitor's y-position
correction = m_opts.monitor->y;
}
correction = std::max(correction, 0);
}
win.reconfigure_struts(m_opts.size.w, h + correction, m_opts.pos.x, m_opts.bottom);
} else {
// Set struts to 0 for invisible bars
win.reconfigure_struts(0, 0, 0, m_opts.bottom);
}
}
/**
* Reconfigure window wm hint values
*/
void bar::reconfigure_wm_hints() {
const auto& win = m_opts.x_data.window;
m_log.trace("bar: Set window WM_NAME");
icccm_util::set_wm_name(m_connection, win, m_opts.wmname.c_str(), m_opts.wmname.size(), "polybar\0Polybar", 15_z);
m_log.trace("bar: Set window _NET_WM_WINDOW_TYPE");
ewmh_util::set_wm_window_type(win, {_NET_WM_WINDOW_TYPE_DOCK});
m_log.trace("bar: Set window _NET_WM_STATE");
ewmh_util::set_wm_state(win, {_NET_WM_STATE_STICKY, _NET_WM_STATE_ABOVE});
m_log.trace("bar: Set window _NET_WM_DESKTOP");
ewmh_util::set_wm_desktop(win, 0xFFFFFFFF);
m_log.trace("bar: Set window _NET_WM_PID");
ewmh_util::set_wm_pid(win);
icccm_util::set_wm_size_hints(m_connection, win, m_opts.pos.x, m_opts.pos.y, m_opts.size.w, m_opts.size.h);
}
/**
* Broadcast current map state
*/
void bar::broadcast_visibility() {
auto attr = m_connection.get_window_attributes(m_opts.x_data.window);
if (attr->map_state == XCB_MAP_STATE_UNVIEWABLE) {
m_sig.emit(visibility_change{false});
} else if (attr->map_state == XCB_MAP_STATE_UNMAPPED) {
m_sig.emit(visibility_change{false});
} else {
m_sig.emit(visibility_change{true});
}
}
void bar::map_window() {
m_visible = true;
/**
* First reconfigures the window so that WMs that discard some information
* when unmapping have the correct window properties (geometry etc).
*/
reconfigure_window();
m_log.trace("bar: Map window");
m_connection.map_window_checked(m_opts.x_data.window);
/*
* Required by AwesomeWM. AwesomeWM does not seem to respect polybar's position if WM_NORMAL_HINTS are set before
* mapping. Additionally updating the window position after mapping seems to fix that.
*/
reconfigure_pos();
}
void bar::trigger_click(mousebtn btn, int pos) {
tags::action_t action = m_action_ctxt->has_action(btn, pos);
if (action != tags::NO_ACTION) {
m_log.trace("Found matching input area");
m_sig.emit(button_press{m_action_ctxt->get_action(action)});
return;
}
for (auto&& action : m_opts.actions) {
if (action.button == btn && !action.command.empty()) {
m_log.trace("Found matching fallback handler");
m_sig.emit(button_press{string{action.command}});
return;
}
}
m_log.info("No matching input area found (btn=%i)", static_cast<int>(btn));
}
/**
* Event handler for XCB_DESTROY_NOTIFY events
*/
void bar::handle(const evt::client_message& evt) {
if (evt->type == WM_PROTOCOLS && evt->data.data32[0] == WM_DELETE_WINDOW && evt->window == m_opts.x_data.window) {
m_log.err("Bar window has been destroyed, shutting down...");
m_connection.disconnect();
}
}
/**
* Event handler for XCB_DESTROY_NOTIFY events
*/
void bar::handle(const evt::destroy_notify& evt) {
if (evt->window == m_opts.x_data.window) {
m_connection.disconnect();
}
}
/**
* Event handler for XCB_ENTER_NOTIFY events
*
* Used to brighten the window by setting the
* _NET_WM_WINDOW_OPACITY atom value
*/
void bar::handle(const evt::enter_notify&) {
if (m_opts.dimmed) {
m_dim_timer->start(25, 0, [this]() {
m_opts.dimmed = false;
m_sig.emit(dim_window{1.0});
});
} else if (m_dim_timer->is_active()) {
m_dim_timer->stop();
}
}
/**
* Event handler for XCB_LEAVE_NOTIFY events
*
* Used to dim the window by setting the
* _NET_WM_WINDOW_OPACITY atom value
*/
void bar::handle(const evt::leave_notify&) {
// Only trigger dimming, if the dim-value is not fully opaque.
if (m_opts.dimvalue < 1.0) {
if (!m_opts.dimmed) {
m_dim_timer->start(3000, 0, [this]() {
m_opts.dimmed = true;
m_sig.emit(dim_window{double(m_opts.dimvalue)});
});
}
}
}
/**
* Event handler for XCB_MOTION_NOTIFY events
*
* Used to change the cursor depending on the module
*/
void bar::handle(const evt::motion_notify& evt) {
m_log.trace("bar: Detected motion: %i at pos(%i, %i)", evt->detail, evt->event_x, evt->event_y);
#if WITH_XCURSOR
int motion_pos = evt->event_x;
// scroll cursor is less important than click cursor, so we shouldn't return until we are sure there is no click
// action
bool found_scroll = false;
const auto has_action = [&](const vector<mousebtn>& buttons) -> bool {
for (auto btn : buttons) {
if (m_action_ctxt->has_action(btn, motion_pos) != tags::NO_ACTION) {
return true;
}
}
return false;
};
if (!m_opts.cursor_click.empty() && has_action({mousebtn::LEFT, mousebtn::MIDDLE, mousebtn::RIGHT,
mousebtn::DOUBLE_LEFT, mousebtn::DOUBLE_MIDDLE, mousebtn::DOUBLE_RIGHT})) {
change_cursor(m_opts.cursor_click);
return;
}
if (!m_opts.cursor_scroll.empty() && has_action({mousebtn::SCROLL_DOWN, mousebtn::SCROLL_UP})) {
change_cursor(m_opts.cursor_scroll);
return;
}
const auto find_click_area = [&](const action& action) {
if (!m_opts.cursor_click.empty() &&
!(action.button == mousebtn::SCROLL_UP || action.button == mousebtn::SCROLL_DOWN ||
action.button == mousebtn::NONE)) {
change_cursor(m_opts.cursor_click);
return true;
} else if (!m_opts.cursor_scroll.empty() &&
(action.button == mousebtn::SCROLL_UP || action.button == mousebtn::SCROLL_DOWN)) {
if (!found_scroll) {
found_scroll = true;
}
}
return false;
};
for (auto&& action : m_opts.actions) {
if (!action.command.empty()) {
m_log.trace("Found matching fallback handler");
if (find_click_area(action)) {
return;
}
}
}
if (found_scroll) {
change_cursor(m_opts.cursor_scroll);
return;
}
m_log.trace("No matching cursor area found");
change_cursor("default");
return;
#endif
}
/**
* Event handler for XCB_BUTTON_PRESS events
*
* Used to map mouse clicks to bar actions
*/
void bar::handle(const evt::button_press& evt) {
m_log.trace("bar: Received button press: %i at pos(%i, %i)", evt->detail, evt->event_x, evt->event_y);
mousebtn btn = static_cast<mousebtn>(evt->detail);
int pos = evt->event_x;
/*
* For possible double-clicks we need to delay the triggering of the click by
* the configured interval and if in that time another click arrives, we
* need to trigger a double click.
*/
const auto check_double = [this](TimerHandle& handle, mousebtn btn, int pos) {
if (!handle.is_active()) {
handle.start(m_opts.double_click_interval, 0, [=]() { trigger_click(btn, pos); });
} else {
handle.stop();
trigger_click(mousebtn_get_double(btn), pos);
}
};
mousebtn double_btn = mousebtn_get_double(btn);
bool has_dblclick = m_dblclicks.count(double_btn) || m_action_ctxt->has_action(double_btn, pos) != tags::NO_ACTION;
// If there are no double click handlers defined we can
// just by-pass the click timer handling
if (!has_dblclick) {
trigger_click(btn, pos);
} else if (btn == mousebtn::LEFT) {
check_double(*m_leftclick_timer, btn, pos);
} else if (btn == mousebtn::MIDDLE) {
check_double(*m_middleclick_timer, btn, pos);
} else if (btn == mousebtn::RIGHT) {
check_double(*m_rightclick_timer, btn, pos);
} else {
trigger_click(btn, pos);
}
}
/**
* Event handler for XCB_EXPOSE events
*
* Used to redraw the bar
*/
void bar::handle(const evt::expose& evt) {
if (evt->window == m_opts.x_data.window && evt->count == 0) {
if (m_tray && m_tray->settings().running) {
broadcast_visibility();
}
m_log.trace("bar: Received expose event");
m_renderer->flush();
}
}
/**
* Event handler for XCB_PROPERTY_NOTIFY events
*
* - Emit events whenever the bar window's
* visibility gets changed. This allows us to toggle the
* state of the tray container even though the tray
* window restacking failed. Used as a fallback for
* tedious WM's, like i3.
*/
void bar::handle(const evt::property_notify& evt) {
#ifdef DEBUG_LOGGER_VERBOSE
string atom_name = m_connection.get_atom_name(evt->atom).name();
m_log.trace_x("bar: property_notify(%s)", atom_name);
#endif
if (evt->window == m_opts.x_data.window && evt->atom == WM_STATE) {
broadcast_visibility();
}
}
void bar::handle(const evt::configure_notify& evt) {
if (evt->window != m_opts.x_data.window) {
return;
}
// The absolute position of the window in the root may be different after configuration is done
// (for example, because the parent is not positioned at 0/0 in the root window).
// Notify components that the geometry may have changed (used by the background manager for example).
m_sig.emit(signals::ui::update_geometry{});
}
void bar::start(const string& tray_module_name) {
m_log.trace("bar: Create renderer");
m_renderer = renderer::make(m_opts, *m_action_ctxt, m_conf);
m_opts.x_data.window = m_renderer->window();
m_opts.x_data.visual = m_renderer->visual();
m_opts.x_data.depth = m_renderer->depth();
// Subscribe to window enter and leave events
// if we should dim the window
if (m_opts.dimvalue != 1.0) {
m_connection.ensure_event_mask(m_opts.x_data.window, XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW);
}
if (!m_opts.cursor_click.empty() || !m_opts.cursor_scroll.empty()) {
m_connection.ensure_event_mask(m_opts.x_data.window, XCB_EVENT_MASK_POINTER_MOTION);
}
m_connection.ensure_event_mask(m_opts.x_data.window, XCB_EVENT_MASK_STRUCTURE_NOTIFY);
m_log.info("Bar window: %s", m_connection.id(m_opts.x_data.window));
map_window();
// With the mapping, the absolute position of our window may have changed (due to re-parenting for example).
// Notify all components that depend on the absolute bar position (such as the background manager).
m_sig.emit(signals::ui::update_geometry{});
m_log.trace("bar: Draw empty bar");
m_renderer->begin(m_opts.inner_area());
m_renderer->end();
m_log.trace("bar: Setup tray manager");
m_tray->setup(m_conf, tray_module_name);
if (m_tray->settings().tray_position == legacy_tray::tray_postition::MODULE ||
m_tray->settings().tray_position == legacy_tray::tray_postition::NONE) {
m_tray.reset();
}
broadcast_visibility();
}
bool bar::on(const signals::ui::dim_window& sig) {
m_opts.dimmed = sig.cast() != 1.0;
ewmh_util::set_wm_window_opacity(m_opts.x_data.window, sig.cast() * 0xFFFFFFFF);
return false;
}
#if WITH_XCURSOR
void bar::change_cursor(const string& name) {
// This is already the same cursor, no need to update
if (m_cursor == name) {
return;
}
m_cursor = name;
if (!cursor_util::set_cursor(m_connection, m_connection.screen(), m_opts.x_data.window, name)) {
m_log.warn("Failed to create cursor context for cursor name '%s'", name);
}
m_connection.flush();
}
#endif
POLYBAR_NS_END