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
962
963
964
965
966
967
|
#define _POSIX_C_SOURCE 200809L
#include <stdlib.h>
#include <wayland-server.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_output_layout.h>
#include "list.h"
#include "log.h"
#include "sway/criteria.h"
#include "sway/commands.h"
#include "sway/ipc-server.h"
#include "sway/output.h"
#include "sway/input/seat.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/layout.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "sway/config.h"
#include "pango.h"
#include "stringop.h"
void view_init(struct sway_view *view, enum sway_view_type type,
const struct sway_view_impl *impl) {
view->type = type;
view->impl = impl;
view->executed_criteria = create_list();
view->marks = create_list();
wl_signal_init(&view->events.unmap);
}
void view_destroy(struct sway_view *view) {
if (view == NULL) {
return;
}
if (view->surface != NULL) {
view_unmap(view);
}
list_free(view->executed_criteria);
for (int i = 0; i < view->marks->length; ++i) {
free(view->marks->items[i]);
}
list_free(view->marks);
wlr_texture_destroy(view->marks_focused);
wlr_texture_destroy(view->marks_focused_inactive);
wlr_texture_destroy(view->marks_unfocused);
wlr_texture_destroy(view->marks_urgent);
container_destroy(view->swayc);
if (view->impl->destroy) {
view->impl->destroy(view);
} else {
free(view);
}
}
const char *view_get_title(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_TITLE);
}
return NULL;
}
const char *view_get_app_id(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_APP_ID);
}
return NULL;
}
const char *view_get_class(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_CLASS);
}
return NULL;
}
const char *view_get_instance(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_INSTANCE);
}
return NULL;
}
uint32_t view_get_x11_window_id(struct sway_view *view) {
if (view->impl->get_int_prop) {
return view->impl->get_int_prop(view, VIEW_PROP_X11_WINDOW_ID);
}
return 0;
}
const char *view_get_window_role(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_WINDOW_ROLE);
}
return NULL;
}
uint32_t view_get_window_type(struct sway_view *view) {
if (view->impl->get_int_prop) {
return view->impl->get_int_prop(view, VIEW_PROP_WINDOW_TYPE);
}
return 0;
}
const char *view_get_shell(struct sway_view *view) {
switch(view->type) {
case SWAY_VIEW_XDG_SHELL_V6:
return "xdg_shell_v6";
case SWAY_VIEW_XDG_SHELL:
return "xdg_shell";
case SWAY_VIEW_XWAYLAND:
return "xwayland";
}
return "unknown";
}
void view_configure(struct sway_view *view, double lx, double ly, int width,
int height) {
if (view->impl->configure) {
view->impl->configure(view, lx, ly, width, height);
}
}
static void view_autoconfigure_floating(struct sway_view *view) {
struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
int max_width = ws->width * 0.6666;
int max_height = ws->height * 0.6666;
int width =
view->natural_width > max_width ? max_width : view->natural_width;
int height =
view->natural_height > max_height ? max_height : view->natural_height;
int lx = ws->x + (ws->width - width) / 2;
int ly = ws->y + (ws->height - height) / 2;
view->border_left = view->border_right = view->border_bottom = true;
view_set_tiled(view, false);
view_configure(view, lx, ly, width, height);
}
void view_autoconfigure(struct sway_view *view) {
if (!sway_assert(view->swayc,
"Called view_autoconfigure() on a view without a swayc")) {
return;
}
struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
if (view->is_fullscreen) {
view_configure(view, output->x, output->y, output->width, output->height);
return;
}
if (container_is_floating(view->swayc)) {
view_autoconfigure_floating(view);
return;
}
struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
int other_views = 0;
if (config->hide_edge_borders == E_SMART) {
struct sway_container *con = view->swayc;
while (con != output) {
if (con->layout != L_TABBED && con->layout != L_STACKED) {
other_views += con->children ? con->children->length - 1 : 0;
if (other_views > 0) {
break;
}
}
con = con->parent;
}
}
view->border_top = view->border_bottom = true;
view->border_left = view->border_right = true;
if (config->hide_edge_borders == E_BOTH
|| config->hide_edge_borders == E_VERTICAL
|| (config->hide_edge_borders == E_SMART && !other_views)) {
view->border_left = view->swayc->x != ws->x;
int right_x = view->swayc->x + view->swayc->width;
view->border_right = right_x != ws->x + ws->width;
}
if (config->hide_edge_borders == E_BOTH
|| config->hide_edge_borders == E_HORIZONTAL
|| (config->hide_edge_borders == E_SMART && !other_views)) {
view->border_top = view->swayc->y != ws->y;
int bottom_y = view->swayc->y + view->swayc->height;
view->border_bottom = bottom_y != ws->y + ws->height;
}
double x, y, width, height;
x = y = width = height = 0;
double y_offset = 0;
// In a tabbed or stacked container, the swayc's y is the top of the title
// area. We have to offset the surface y by the height of the title bar, and
// disable any top border because we'll always have the title bar.
if (view->swayc->parent->layout == L_TABBED) {
y_offset = container_titlebar_height();
view->border_top = false;
} else if (view->swayc->parent->layout == L_STACKED) {
y_offset = container_titlebar_height()
* view->swayc->parent->children->length;
view->border_top = false;
}
switch (view->border) {
case B_NONE:
x = view->swayc->x;
y = view->swayc->y + y_offset;
width = view->swayc->width;
height = view->swayc->height - y_offset;
break;
case B_PIXEL:
x = view->swayc->x + view->border_thickness * view->border_left;
y = view->swayc->y + view->border_thickness * view->border_top + y_offset;
width = view->swayc->width
- view->border_thickness * view->border_left
- view->border_thickness * view->border_right;
height = view->swayc->height - y_offset
- view->border_thickness * view->border_top
- view->border_thickness * view->border_bottom;
break;
case B_NORMAL:
// Height is: 1px border + 3px pad + title height + 3px pad + 1px border
x = view->swayc->x + view->border_thickness * view->border_left;
width = view->swayc->width
- view->border_thickness * view->border_left
- view->border_thickness * view->border_right;
if (y_offset) {
y = view->swayc->y + y_offset;
height = view->swayc->height - y_offset
- view->border_thickness * view->border_bottom;
} else {
y = view->swayc->y + container_titlebar_height();
height = view->swayc->height - container_titlebar_height()
- view->border_thickness * view->border_bottom;
}
break;
}
view->x = x;
view->y = y;
view_configure(view, x, y, width, height);
}
void view_set_activated(struct sway_view *view, bool activated) {
if (view->impl->set_activated) {
view->impl->set_activated(view, activated);
}
}
void view_set_tiled(struct sway_view *view, bool tiled) {
if (view->impl->set_tiled) {
view->impl->set_tiled(view, tiled);
}
}
// Set fullscreen, but without IPC events or arranging windows.
void view_set_fullscreen_raw(struct sway_view *view, bool fullscreen) {
if (view->is_fullscreen == fullscreen) {
return;
}
struct sway_container *workspace =
container_parent(view->swayc, C_WORKSPACE);
if (view->impl->set_fullscreen) {
view->impl->set_fullscreen(view, fullscreen);
}
view->is_fullscreen = fullscreen;
if (fullscreen) {
if (workspace->sway_workspace->fullscreen) {
view_set_fullscreen(workspace->sway_workspace->fullscreen, false);
}
workspace->sway_workspace->fullscreen = view;
view->swayc->saved_x = view->swayc->x;
view->swayc->saved_y = view->swayc->y;
view->swayc->saved_width = view->swayc->width;
view->swayc->saved_height = view->swayc->height;
struct sway_seat *seat;
struct sway_container *focus, *focus_ws;
wl_list_for_each(seat, &input_manager->seats, link) {
focus = seat_get_focus(seat);
if (focus) {
focus_ws = focus;
if (focus && focus_ws->type != C_WORKSPACE) {
focus_ws = container_parent(focus_ws, C_WORKSPACE);
}
seat_set_focus(seat, view->swayc);
if (focus_ws != workspace) {
seat_set_focus(seat, focus);
}
}
}
} else {
workspace->sway_workspace->fullscreen = NULL;
view->swayc->width = view->swayc->saved_width;
view->swayc->height = view->swayc->saved_height;
if (container_is_floating(view->swayc)) {
view->swayc->x = view->swayc->saved_x;
view->swayc->y = view->swayc->saved_y;
view_autoconfigure(view);
}
}
}
void view_set_fullscreen(struct sway_view *view, bool fullscreen) {
if (view->is_fullscreen == fullscreen) {
return;
}
view_set_fullscreen_raw(view, fullscreen);
struct sway_container *workspace =
container_parent(view->swayc, C_WORKSPACE);
arrange_workspace(workspace);
output_damage_whole(workspace->parent->sway_output);
ipc_event_window(view->swayc, "fullscreen_mode");
}
void view_close(struct sway_view *view) {
if (view->impl->close) {
view->impl->close(view);
}
}
void view_damage_from(struct sway_view *view) {
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *cont = root_container.children->items[i];
if (cont->type == C_OUTPUT) {
output_damage_from_view(cont->sway_output, view);
}
}
}
static void view_get_layout_box(struct sway_view *view, struct wlr_box *box) {
struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
box->x = output->x + view->swayc->x;
box->y = output->y + view->swayc->y;
box->width = view->width;
box->height = view->height;
}
void view_for_each_surface(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
if (view->impl->for_each_surface) {
view->impl->for_each_surface(view, iterator, user_data);
} else {
wlr_surface_for_each_surface(view->surface, iterator, user_data);
}
}
static void view_subsurface_create(struct sway_view *view,
struct wlr_subsurface *subsurface);
static void view_init_subsurfaces(struct sway_view *view,
struct wlr_surface *surface);
static void view_handle_surface_new_subsurface(struct wl_listener *listener,
void *data) {
struct sway_view *view =
wl_container_of(listener, view, surface_new_subsurface);
struct wlr_subsurface *subsurface = data;
view_subsurface_create(view, subsurface);
}
static void surface_send_enter_iterator(struct wlr_surface *surface,
int x, int y, void *data) {
struct wlr_output *wlr_output = data;
wlr_surface_send_enter(surface, wlr_output);
}
static void surface_send_leave_iterator(struct wlr_surface *surface,
int x, int y, void *data) {
struct wlr_output *wlr_output = data;
wlr_surface_send_leave(surface, wlr_output);
}
static void view_handle_container_reparent(struct wl_listener *listener,
void *data) {
struct sway_view *view =
wl_container_of(listener, view, container_reparent);
struct sway_container *old_parent = data;
struct sway_container *old_output = old_parent;
if (old_output != NULL && old_output->type != C_OUTPUT) {
old_output = container_parent(old_output, C_OUTPUT);
}
struct sway_container *new_output = view->swayc->parent;
if (new_output != NULL && new_output->type != C_OUTPUT) {
new_output = container_parent(new_output, C_OUTPUT);
}
if (old_output == new_output) {
return;
}
if (old_output != NULL) {
view_for_each_surface(view, surface_send_leave_iterator,
old_output->sway_output->wlr_output);
}
if (new_output != NULL) {
view_for_each_surface(view, surface_send_enter_iterator,
new_output->sway_output->wlr_output);
}
}
static bool view_has_executed_criteria(struct sway_view *view,
struct criteria *criteria) {
for (int i = 0; i < view->executed_criteria->length; ++i) {
struct criteria *item = view->executed_criteria->items[i];
if (item == criteria) {
return true;
}
}
return false;
}
void view_execute_criteria(struct sway_view *view) {
if (!view->swayc) {
return;
}
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *prior_focus = seat_get_focus(seat);
list_t *criterias = criteria_for_view(view, CT_COMMAND);
for (int i = 0; i < criterias->length; i++) {
struct criteria *criteria = criterias->items[i];
wlr_log(L_DEBUG, "Checking criteria %s", criteria->raw);
if (view_has_executed_criteria(view, criteria)) {
wlr_log(L_DEBUG, "Criteria already executed");
continue;
}
wlr_log(L_DEBUG, "for_window '%s' matches view %p, cmd: '%s'",
criteria->raw, view, criteria->cmdlist);
list_add(view->executed_criteria, criteria);
struct cmd_results *res = execute_command(criteria->cmdlist, NULL);
if (res->status != CMD_SUCCESS) {
wlr_log(L_ERROR, "Command '%s' failed: %s", res->input, res->error);
}
free_cmd_results(res);
// view must be focused for commands to affect it,
// so always refocus in-between command lists
seat_set_focus(seat, view->swayc);
}
list_free(criterias);
seat_set_focus(seat, prior_focus);
}
void view_map(struct sway_view *view, struct wlr_surface *wlr_surface) {
if (!sway_assert(view->surface == NULL, "cannot map mapped view")) {
return;
}
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus =
seat_get_focus_inactive(seat, &root_container);
struct sway_container *cont = NULL;
// Check if there's any `assign` criteria for the view
list_t *criterias = criteria_for_view(view,
CT_ASSIGN_WORKSPACE | CT_ASSIGN_OUTPUT);
struct sway_container *workspace = NULL;
if (criterias->length) {
struct criteria *criteria = criterias->items[0];
if (criteria->type == CT_ASSIGN_WORKSPACE) {
workspace = workspace_by_name(criteria->target);
if (!workspace) {
workspace = workspace_create(NULL, criteria->target);
}
focus = seat_get_focus_inactive(seat, workspace);
} else {
// TODO: CT_ASSIGN_OUTPUT
}
}
// If we're about to launch the view into the floating container, then
// launch it as a tiled view in the root of the workspace instead.
if (container_is_floating(focus)) {
focus = focus->parent->parent;
}
free(criterias);
cont = container_view_create(focus, view);
view->surface = wlr_surface;
view->swayc = cont;
view->border = config->border;
view->border_thickness = config->border_thickness;
view_init_subsurfaces(view, wlr_surface);
wl_signal_add(&wlr_surface->events.new_subsurface,
&view->surface_new_subsurface);
view->surface_new_subsurface.notify = view_handle_surface_new_subsurface;
wl_signal_add(&view->swayc->events.reparent, &view->container_reparent);
view->container_reparent.notify = view_handle_container_reparent;
if (view->impl->wants_floating && view->impl->wants_floating(view)) {
container_set_floating(view->swayc, true);
} else {
arrange_children_of(cont->parent);
}
input_manager_set_focus(input_manager, cont);
if (workspace) {
workspace_switch(workspace);
}
view_update_title(view, false);
container_notify_subtree_changed(view->swayc->parent);
view_execute_criteria(view);
container_damage_whole(cont);
view_handle_container_reparent(&view->container_reparent, NULL);
}
void view_unmap(struct sway_view *view) {
if (!sway_assert(view->surface != NULL, "cannot unmap unmapped view")) {
return;
}
wl_signal_emit(&view->events.unmap, view);
if (view->is_fullscreen) {
struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
ws->sway_workspace->fullscreen = NULL;
}
container_damage_whole(view->swayc);
wl_list_remove(&view->surface_new_subsurface.link);
wl_list_remove(&view->container_reparent.link);
struct sway_container *parent = container_destroy(view->swayc);
view->swayc = NULL;
view->surface = NULL;
if (view->title_format) {
free(view->title_format);
view->title_format = NULL;
}
if (parent->type == C_OUTPUT) {
arrange_output(parent);
} else {
arrange_children_of(parent);
}
}
void view_update_position(struct sway_view *view, double lx, double ly) {
if (view->x == lx && view->y == ly) {
return;
}
if (!container_is_floating(view->swayc)) {
return;
}
container_damage_whole(view->swayc);
view->x = lx;
view->y = ly;
container_set_geometry_from_floating_view(view->swayc);
container_damage_whole(view->swayc);
}
void view_update_size(struct sway_view *view, int width, int height) {
if (view->width == width && view->height == height) {
return;
}
container_damage_whole(view->swayc);
view->width = width;
view->height = height;
if (container_is_floating(view->swayc)) {
container_set_geometry_from_floating_view(view->swayc);
}
container_damage_whole(view->swayc);
}
static void view_subsurface_create(struct sway_view *view,
struct wlr_subsurface *subsurface) {
struct sway_view_child *child = calloc(1, sizeof(struct sway_view_child));
if (child == NULL) {
wlr_log(L_ERROR, "Allocation failed");
return;
}
view_child_init(child, NULL, view, subsurface->surface);
}
static void view_child_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_commit);
// TODO: only accumulate damage from the child
view_damage_from(child->view);
}
static void view_child_handle_surface_new_subsurface(
struct wl_listener *listener, void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_new_subsurface);
struct wlr_subsurface *subsurface = data;
view_subsurface_create(child->view, subsurface);
}
static void view_child_handle_surface_destroy(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_destroy);
view_child_destroy(child);
}
static void view_child_handle_view_unmap(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, view_unmap);
view_child_destroy(child);
}
static void view_init_subsurfaces(struct sway_view *view,
struct wlr_surface *surface) {
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &surface->subsurfaces, parent_link) {
view_subsurface_create(view, subsurface);
}
}
void view_child_init(struct sway_view_child *child,
const struct sway_view_child_impl *impl, struct sway_view *view,
struct wlr_surface *surface) {
child->impl = impl;
child->view = view;
child->surface = surface;
wl_signal_add(&surface->events.commit, &child->surface_commit);
child->surface_commit.notify = view_child_handle_surface_commit;
wl_signal_add(&surface->events.new_subsurface,
&child->surface_new_subsurface);
child->surface_new_subsurface.notify =
view_child_handle_surface_new_subsurface;
wl_signal_add(&surface->events.destroy, &child->surface_destroy);
child->surface_destroy.notify = view_child_handle_surface_destroy;
wl_signal_add(&view->events.unmap, &child->view_unmap);
child->view_unmap.notify = view_child_handle_view_unmap;
struct sway_container *output = child->view->swayc->parent;
if (output != NULL) {
if (output->type != C_OUTPUT) {
output = container_parent(output, C_OUTPUT);
}
wlr_surface_send_enter(child->surface, output->sway_output->wlr_output);
}
view_init_subsurfaces(child->view, surface);
// TODO: only damage the whole child
if (child->view->swayc) {
container_damage_whole(child->view->swayc);
}
}
void view_child_destroy(struct sway_view_child *child) {
// TODO: only damage the whole child
if (child->view->swayc) {
container_damage_whole(child->view->swayc);
}
wl_list_remove(&child->surface_commit.link);
wl_list_remove(&child->surface_destroy.link);
wl_list_remove(&child->view_unmap.link);
if (child->impl && child->impl->destroy) {
child->impl->destroy(child);
} else {
free(child);
}
}
static size_t append_prop(char *buffer, const char *value) {
if (!value) {
return 0;
}
lenient_strcat(buffer, value);
return strlen(value);
}
/**
* Calculate and return the length of the formatted title.
* If buffer is not NULL, also populate the buffer with the formatted title.
*/
static size_t parse_title_format(struct sway_view *view, char *buffer) {
if (!view->title_format || strcmp(view->title_format, "%title") == 0) {
const char *title = view_get_title(view);
if (buffer && title) {
strcpy(buffer, title);
}
return title ? strlen(title) : 0;
}
size_t len = 0;
char *format = view->title_format;
char *next = strchr(format, '%');
while (next) {
// Copy everything up to the %
lenient_strncat(buffer, format, next - format);
len += next - format;
format = next;
if (strncmp(next, "%title", 6) == 0) {
len += append_prop(buffer, view_get_title(view));
format += 6;
} else if (strncmp(next, "%app_id", 7) == 0) {
len += append_prop(buffer, view_get_app_id(view));
format += 7;
} else if (strncmp(next, "%class", 6) == 0) {
len += append_prop(buffer, view_get_class(view));
format += 6;
} else if (strncmp(next, "%instance", 9) == 0) {
len += append_prop(buffer, view_get_instance(view));
format += 9;
} else if (strncmp(next, "%shell", 6) == 0) {
len += append_prop(buffer, view_get_shell(view));
format += 6;
} else {
lenient_strcat(buffer, "%");
++format;
++len;
}
next = strchr(format, '%');
}
lenient_strcat(buffer, format);
len += strlen(format);
return len;
}
static char *escape_title(char *buffer) {
int length = escape_markup_text(buffer, NULL, 0);
char *escaped_title = calloc(length + 1, sizeof(char));
int result = escape_markup_text(buffer, escaped_title, length);
if (result != length) {
wlr_log(L_ERROR, "Could not escape title: %s", buffer);
free(escaped_title);
return buffer;
}
free(buffer);
return escaped_title;
}
void view_update_title(struct sway_view *view, bool force) {
if (!view->swayc) {
return;
}
const char *title = view_get_title(view);
if (!force) {
if (title && view->swayc->name && strcmp(title, view->swayc->name) == 0) {
return;
}
if (!title && !view->swayc->name) {
return;
}
}
free(view->swayc->name);
free(view->swayc->formatted_title);
if (title) {
size_t len = parse_title_format(view, NULL);
char *buffer = calloc(len + 1, sizeof(char));
if (!sway_assert(buffer, "Unable to allocate title string")) {
return;
}
parse_title_format(view, buffer);
// now we have the title, but needs to be escaped when using pango markup
if (config->pango_markup) {
buffer = escape_title(buffer);
}
view->swayc->name = strdup(title);
view->swayc->formatted_title = buffer;
} else {
view->swayc->name = NULL;
view->swayc->formatted_title = NULL;
}
container_calculate_title_height(view->swayc);
container_update_title_textures(view->swayc);
config_update_font_height(false);
}
static bool find_by_mark_iterator(struct sway_container *con,
void *data) {
char *mark = data;
return con->type == C_VIEW && view_has_mark(con->sway_view, mark);
}
bool view_find_and_unmark(char *mark) {
struct sway_container *container = container_find(&root_container,
find_by_mark_iterator, mark);
if (!container) {
return false;
}
struct sway_view *view = container->sway_view;
for (int i = 0; i < view->marks->length; ++i) {
char *view_mark = view->marks->items[i];
if (strcmp(view_mark, mark) == 0) {
free(view_mark);
list_del(view->marks, i);
view_update_marks_textures(view);
return true;
}
}
return false;
}
void view_clear_marks(struct sway_view *view) {
for (int i = 0; i < view->marks->length; ++i) {
free(view->marks->items[i]);
}
list_free(view->marks);
view->marks = create_list();
}
bool view_has_mark(struct sway_view *view, char *mark) {
for (int i = 0; i < view->marks->length; ++i) {
char *item = view->marks->items[i];
if (strcmp(item, mark) == 0) {
return true;
}
}
return false;
}
static void update_marks_texture(struct sway_view *view,
struct wlr_texture **texture, struct border_colors *class) {
struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
if (!output) {
return;
}
if (*texture) {
wlr_texture_destroy(*texture);
*texture = NULL;
}
if (!view->marks->length) {
return;
}
size_t len = 0;
for (int i = 0; i < view->marks->length; ++i) {
char *mark = view->marks->items[i];
if (mark[0] != '_') {
len += strlen(mark) + 2;
}
}
char *buffer = calloc(len + 1, 1);
char *part = malloc(len + 1);
if (!sway_assert(buffer && part, "Unable to allocate memory")) {
free(buffer);
return;
}
for (int i = 0; i < view->marks->length; ++i) {
char *mark = view->marks->items[i];
if (mark[0] != '_') {
sprintf(part, "[%s]", mark);
strcat(buffer, part);
}
}
free(part);
double scale = output->sway_output->wlr_output->scale;
int width = 0;
int height = config->font_height * scale;
cairo_t *c = cairo_create(NULL);
get_text_size(c, config->font, &width, NULL, scale, false, "%s", buffer);
cairo_destroy(c);
cairo_surface_t *surface = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cairo = cairo_create(surface);
cairo_set_source_rgba(cairo, class->background[0], class->background[1],
class->background[2], class->background[3]);
cairo_paint(cairo);
PangoContext *pango = pango_cairo_create_context(cairo);
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
cairo_set_source_rgba(cairo, class->text[0], class->text[1],
class->text[2], class->text[3]);
cairo_move_to(cairo, 0, 0);
pango_printf(cairo, config->font, scale, false, "%s", buffer);
cairo_surface_flush(surface);
unsigned char *data = cairo_image_surface_get_data(surface);
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
struct wlr_renderer *renderer = wlr_backend_get_renderer(
output->sway_output->wlr_output->backend);
*texture = wlr_texture_from_pixels(
renderer, WL_SHM_FORMAT_ARGB8888, stride, width, height, data);
cairo_surface_destroy(surface);
g_object_unref(pango);
cairo_destroy(cairo);
free(buffer);
}
void view_update_marks_textures(struct sway_view *view) {
if (!config->show_marks) {
return;
}
update_marks_texture(view, &view->marks_focused,
&config->border_colors.focused);
update_marks_texture(view, &view->marks_focused_inactive,
&config->border_colors.focused_inactive);
update_marks_texture(view, &view->marks_unfocused,
&config->border_colors.unfocused);
update_marks_texture(view, &view->marks_urgent,
&config->border_colors.urgent);
container_damage_whole(view->swayc);
}
bool view_is_visible(struct sway_view *view) {
if (!view->swayc) {
return false;
}
struct sway_container *workspace =
container_parent(view->swayc, C_WORKSPACE);
// Determine if view is nested inside a floating container which is sticky.
// A simple floating view will have this ancestry:
// C_VIEW -> floating -> workspace
// A more complex ancestry could be:
// C_VIEW -> C_CONTAINER (tabbed) -> floating -> workspace
struct sway_container *floater = view->swayc;
while (floater->parent->type != C_WORKSPACE
&& floater->parent->parent->type != C_WORKSPACE) {
floater = floater->parent;
}
bool is_sticky = container_is_floating(floater) && floater->is_sticky;
// Check view isn't in a tabbed or stacked container on an inactive tab
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *container = view->swayc;
while (container->type != C_WORKSPACE) {
if (container->parent->layout == L_TABBED ||
container->parent->layout == L_STACKED) {
if (seat_get_active_child(seat, container->parent) != container) {
return false;
}
}
container = container->parent;
}
// Check view isn't hidden by another fullscreen view
if (workspace->sway_workspace->fullscreen && !view->is_fullscreen) {
return false;
}
// Check the workspace is visible
if (!is_sticky) {
return workspace_is_visible(workspace);
}
return true;
}
|