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
|
#include <xkbcommon/xkbcommon.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <wlc/wlc.h>
#include <wlc/wlc-wayland.h>
#include <ctype.h>
#include "handlers.h"
#include "log.h"
#include "layout.h"
#include "config.h"
#include "commands.h"
#include "stringop.h"
#include "workspace.h"
#include "container.h"
#include "output.h"
#include "focus.h"
#include "input_state.h"
#include "resize.h"
#include "extensions.h"
#include "criteria.h"
#include "ipc-server.h"
// Event should be sent to client
#define EVENT_PASSTHROUGH false
// Event handled by sway and should not be sent to client
#define EVENT_HANDLED true
/* Handles */
static bool handle_output_created(wlc_handle output) {
swayc_t *op = new_output(output);
// Visibility mask to be able to make view invisible
wlc_output_set_mask(output, VISIBLE);
if (!op) {
return false;
}
// Switch to workspace if we need to
if (swayc_active_workspace() == NULL) {
swayc_t *ws = op->children->items[0];
workspace_switch(ws);
}
// Fixes issues with backgrounds and wlc
wlc_handle prev = wlc_get_focused_output();
wlc_output_focus(output);
wlc_output_focus(prev);
return true;
}
static void handle_output_destroyed(wlc_handle output) {
int i;
list_t *list = root_container.children;
for (i = 0; i < list->length; ++i) {
if (((swayc_t *)list->items[i])->handle == output) {
break;
}
}
if (i < list->length) {
destroy_output(list->items[i]);
} else {
return;
}
if (list->length > 0) {
// switch to other outputs active workspace
workspace_switch(((swayc_t *)root_container.children->items[0])->focused);
}
}
static void handle_output_pre_render(wlc_handle output) {
struct wlc_size resolution = *wlc_output_get_resolution(output);
int i;
for (i = 0; i < desktop_shell.backgrounds->length; ++i) {
struct background_config *config = desktop_shell.backgrounds->items[i];
if (config->output == output) {
wlc_surface_render(config->surface, &(struct wlc_geometry){ wlc_origin_zero, resolution });
break;
}
}
for (i = 0; i < desktop_shell.panels->length; ++i) {
struct panel_config *config = desktop_shell.panels->items[i];
if (config->output == output) {
struct wlc_size size = *wlc_surface_get_size(config->surface);
struct wlc_geometry geo = {
.size = size
};
switch (config->panel_position) {
case DESKTOP_SHELL_PANEL_POSITION_TOP:
geo.origin = (struct wlc_point){ 0, 0 };
break;
case DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
geo.origin = (struct wlc_point){ 0, resolution.h - size.h };
break;
case DESKTOP_SHELL_PANEL_POSITION_LEFT:
geo.origin = (struct wlc_point){ 0, 0 };
break;
case DESKTOP_SHELL_PANEL_POSITION_RIGHT:
geo.origin = (struct wlc_point){ resolution.w - size.w, 0 };
break;
}
wlc_surface_render(config->surface, &geo);
if (size.w != desktop_shell.panel_size.w || size.h != desktop_shell.panel_size.h) {
desktop_shell.panel_size = size;
arrange_windows(&root_container, -1, -1);
}
break;
}
}
}
static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
sway_log(L_DEBUG, "Output %u resolution changed to %d x %d", (unsigned int)output, to->w, to->h);
swayc_t *c = swayc_by_handle(output);
if (!c) return;
c->width = to->w;
c->height = to->h;
arrange_windows(&root_container, -1, -1);
}
static void handle_output_focused(wlc_handle output, bool focus) {
swayc_t *c = swayc_by_handle(output);
// if for some reason this output doesnt exist, create it.
if (!c) {
handle_output_created(output);
}
if (focus) {
set_focused_container(c);
}
}
static bool handle_view_created(wlc_handle handle) {
// if view is child of another view, the use that as focused container
wlc_handle parent = wlc_view_get_parent(handle);
swayc_t *focused = NULL;
swayc_t *newview = NULL;
// Get parent container, to add view in
if (parent) {
focused = swayc_by_handle(parent);
}
if (!focused || focused->type == C_OUTPUT) {
focused = get_focused_container(&root_container);
// Move focus from floating view
if (focused->is_floating) {
// To workspace if there are no children
if (focused->parent->children->length == 0) {
focused = focused->parent;
}
// TODO find a better way of doing this
// Or to focused container
else {
focused = get_focused_container(focused->parent->children->items[0]);
}
}
}
sway_log(L_DEBUG, "handle:%ld type:%x state:%x parent:%ld "
"mask:%d (x:%d y:%d w:%d h:%d) title:%s "
"class:%s appid:%s",
handle, wlc_view_get_type(handle), wlc_view_get_state(handle), parent,
wlc_view_get_mask(handle), wlc_view_get_geometry(handle)->origin.x,
wlc_view_get_geometry(handle)->origin.y,wlc_view_get_geometry(handle)->size.w,
wlc_view_get_geometry(handle)->size.h, wlc_view_get_title(handle),
wlc_view_get_class(handle), wlc_view_get_app_id(handle));
// TODO properly figure out how each window should be handled.
switch (wlc_view_get_type(handle)) {
// regular view created regularly
case 0:
newview = new_view(focused, handle);
wlc_view_set_state(handle, WLC_BIT_MAXIMIZED, true);
break;
// Dmenu keeps viewfocus, but others with this flag dont, for now simulate
// dmenu
case WLC_BIT_OVERRIDE_REDIRECT:
// locked_view_focus = true;
wlc_view_focus(handle);
wlc_view_set_state(handle, WLC_BIT_ACTIVATED, true);
wlc_view_bring_to_front(handle);
break;
// Firefox popups have this flag set.
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
wlc_view_bring_to_front(handle);
locked_container_focus = true;
break;
// Modals, get focus, popups do not
case WLC_BIT_MODAL:
wlc_view_focus(handle);
wlc_view_bring_to_front(handle);
newview = new_floating_view(handle);
case WLC_BIT_POPUP:
wlc_view_bring_to_front(handle);
break;
}
if (newview) {
set_focused_container(newview);
swayc_t *output = swayc_parent_by_type(newview, C_OUTPUT);
arrange_windows(output, -1, -1);
// check if it matches for_window in config and execute if so
list_t *criteria = criteria_for(newview);
for (int i = 0; i < criteria->length; i++) {
struct criteria *crit = criteria->items[i];
sway_log(L_DEBUG, "for_window '%s' matches new view %p, cmd: '%s'",
crit->crit_raw, newview, crit->cmdlist);
struct cmd_results *res = handle_command(crit->cmdlist);
if (res->status != CMD_SUCCESS) {
sway_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
set_focused_container(newview);
}
swayc_t *workspace = swayc_parent_by_type(focused, C_WORKSPACE);
if (workspace && workspace->fullscreen) {
set_focused_container(workspace->fullscreen);
}
} else {
swayc_t *output = swayc_parent_by_type(focused, C_OUTPUT);
wlc_handle *h = malloc(sizeof(wlc_handle));
*h = handle;
sway_log(L_DEBUG, "Adding unmanaged window %p to %p", h, output->unmanaged);
list_add(output->unmanaged, h);
}
return true;
}
static void handle_view_destroyed(wlc_handle handle) {
sway_log(L_DEBUG, "Destroying window %lu", handle);
swayc_t *view = swayc_by_handle(handle);
// destroy views by type
switch (wlc_view_get_type(handle)) {
// regular view created regularly
case 0:
case WLC_BIT_MODAL:
case WLC_BIT_POPUP:
break;
// DMENU has this flag, and takes view_focus, but other things with this
// flag dont
case WLC_BIT_OVERRIDE_REDIRECT:
// locked_view_focus = false;
break;
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
locked_container_focus = false;
break;
}
if (view) {
bool fullscreen = swayc_is_fullscreen(view);
remove_view_from_scratchpad(view);
swayc_t *parent = destroy_view(view);
if (fullscreen) {
parent->fullscreen = NULL;
}
arrange_windows(parent, -1, -1);
} else {
// Is it unmanaged?
int i;
for (i = 0; i < root_container.children->length; ++i) {
swayc_t *output = root_container.children->items[i];
int j;
for (j = 0; j < output->unmanaged->length; ++j) {
wlc_handle *_handle = output->unmanaged->items[j];
if (*_handle == handle) {
list_del(output->unmanaged, j);
free(_handle);
break;
}
}
}
}
set_focused_container(get_focused_view(&root_container));
}
static void handle_view_focus(wlc_handle view, bool focus) {
return;
}
static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geometry *geometry) {
sway_log(L_DEBUG, "geometry request for %ld %dx%d @ %d,%d", handle,
geometry->size.w, geometry->size.h, geometry->origin.x, geometry->origin.y);
// If the view is floating, then apply the geometry.
// Otherwise save the desired width/height for the view.
// This will not do anything for the time being as WLC improperly sends geometry requests
swayc_t *view = swayc_by_handle(handle);
if (view) {
view->desired_width = geometry->size.w;
view->desired_height = geometry->size.h;
if (view->is_floating) {
view->width = view->desired_width;
view->height = view->desired_height;
view->x = geometry->origin.x;
view->y = geometry->origin.y;
arrange_windows(view->parent, -1, -1);
}
}
}
static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit state, bool toggle) {
swayc_t *c = swayc_by_handle(view);
switch (state) {
case WLC_BIT_FULLSCREEN:
// i3 just lets it become fullscreen
wlc_view_set_state(view, state, toggle);
if (c) {
sway_log(L_DEBUG, "setting view %ld %s, fullscreen %d", view, c->name, toggle);
arrange_windows(c->parent, -1, -1);
// Set it as focused window for that workspace if its going fullscreen
if (toggle) {
swayc_t *ws = swayc_parent_by_type(c, C_WORKSPACE);
// Set ws focus to c
set_focused_container_for(ws, c);
}
}
break;
case WLC_BIT_MAXIMIZED:
case WLC_BIT_RESIZING:
case WLC_BIT_MOVING:
break;
case WLC_BIT_ACTIVATED:
sway_log(L_DEBUG, "View %p requested to be activated", c);
break;
}
return;
}
static void handle_binding_command(struct sway_binding *binding) {
struct sway_binding *binding_copy = sway_binding_dup(binding);
struct cmd_results *res = handle_command(binding->command);
if (res->status != CMD_SUCCESS) {
sway_log(L_ERROR, "Command '%s' failed: %s", res->input, res->error);
}
ipc_event_binding_keyboard(binding_copy);
free_cmd_results(res);
free_sway_binding(binding_copy);
}
static bool handle_bindsym(struct sway_binding *binding) {
bool match = false;
int i;
for (i = 0; i < binding->keys->length; ++i) {
xkb_keysym_t *key = binding->keys->items[i];
if ((match = check_key(*key, 0)) == false) {
break;
}
}
if (match) {
handle_binding_command(binding);
return true;
}
return false;
}
static bool handle_bindsym_release(struct sway_binding *binding) {
if (binding->keys->length == 1) {
xkb_keysym_t *key = binding->keys->items[0];
if (check_released_key(*key)) {
handle_binding_command(binding);
return true;
}
}
return false;
}
static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
uint32_t key, enum wlc_key_state state) {
if (desktop_shell.is_locked) {
return EVENT_PASSTHROUGH;
}
if (locked_view_focus && state == WLC_KEY_STATE_PRESSED) {
return EVENT_PASSTHROUGH;
}
// reset pointer mode on keypress
if (state == WLC_KEY_STATE_PRESSED && pointer_state.mode) {
pointer_mode_reset();
}
struct sway_mode *mode = config->current_mode;
struct wlc_modifiers no_mods = { 0, 0 };
uint32_t sym = tolower(wlc_keyboard_get_keysym_for_key(key, &no_mods));
int i;
if (state == WLC_KEY_STATE_PRESSED) {
press_key(sym, key);
} else { // WLC_KEY_STATE_RELEASED
release_key(sym, key);
}
// handle bar modifiers pressed/released
uint32_t modifier;
for (i = 0; i < config->active_bar_modifiers->length; ++i) {
modifier = *(uint32_t *)config->active_bar_modifiers->items[i];
switch (modifier_state_changed(modifiers->mods, modifier)) {
case MOD_STATE_PRESSED:
ipc_event_modifier(modifier, "pressed");
break;
case MOD_STATE_RELEASED:
ipc_event_modifier(modifier, "released");
break;
}
}
// update modifiers state
modifiers_state_update(modifiers->mods);
// handle bindings
for (i = 0; i < mode->bindings->length; ++i) {
struct sway_binding *binding = mode->bindings->items[i];
if ((modifiers->mods ^ binding->modifiers) == 0) {
switch (state) {
case WLC_KEY_STATE_PRESSED: {
if (!binding->release && handle_bindsym(binding)) {
return EVENT_HANDLED;
}
break;
}
case WLC_KEY_STATE_RELEASED:
if (binding->release && handle_bindsym_release(binding)) {
return EVENT_HANDLED;
}
break;
}
}
}
return EVENT_PASSTHROUGH;
}
static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct wlc_point *origin) {
if (desktop_shell.is_locked) {
return EVENT_PASSTHROUGH;
}
struct wlc_point new_origin = *origin;
// Switch to adjacent output if touching output edge.
//
// Since this doesn't currently support moving windows between outputs we
// don't do the switch if the pointer is in a mode.
if (config->seamless_mouse && !pointer_state.mode &&
!pointer_state.left.held && !pointer_state.right.held && !pointer_state.scroll.held) {
swayc_t *output = swayc_active_output(), *adjacent = NULL;
struct wlc_point abs_pos = *origin;
abs_pos.x += output->x;
abs_pos.y += output->y;
if (origin->x == 0) { // Left edge
if ((adjacent = swayc_adjacent_output(output, MOVE_LEFT, &abs_pos, false))) {
if (workspace_switch(swayc_active_workspace_for(adjacent))) {
new_origin.x = adjacent->width;
// adjust for differently aligned outputs (well, this is
// only correct when the two outputs have the same
// resolution or the same dpi I guess, it should take
// physical attributes into account)
new_origin.y += (output->y - adjacent->y);
}
}
} else if ((double)origin->x == output->width) { // Right edge
if ((adjacent = swayc_adjacent_output(output, MOVE_RIGHT, &abs_pos, false))) {
if (workspace_switch(swayc_active_workspace_for(adjacent))) {
new_origin.x = 0;
new_origin.y += (output->y - adjacent->y);
}
}
} else if (origin->y == 0) { // Top edge
if ((adjacent = swayc_adjacent_output(output, MOVE_UP, &abs_pos, false))) {
if (workspace_switch(swayc_active_workspace_for(adjacent))) {
new_origin.y = adjacent->height;
new_origin.x += (output->x - adjacent->x);
}
}
} else if ((double)origin->y == output->height) { // Bottom edge
if ((adjacent = swayc_adjacent_output(output, MOVE_DOWN, &abs_pos, false))) {
if (workspace_switch(swayc_active_workspace_for(adjacent))) {
new_origin.y = 0;
new_origin.x += (output->x - adjacent->x);
}
}
}
}
pointer_position_set(&new_origin, false);
return EVENT_PASSTHROUGH;
}
static bool handle_pointer_button(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
uint32_t button, enum wlc_button_state state, const struct wlc_point *origin) {
// Update view pointer is on
pointer_state.view = container_under_pointer();
// Update pointer_state
switch (button) {
case M_LEFT_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.left.held = true;
pointer_state.left.x = origin->x;
pointer_state.left.y = origin->y;
pointer_state.left.view = pointer_state.view;
} else {
pointer_state.left.held = false;
}
break;
case M_RIGHT_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.right.held = true;
pointer_state.right.x = origin->x;
pointer_state.right.y = origin->y;
pointer_state.right.view = pointer_state.view;
} else {
pointer_state.right.held = false;
}
break;
case M_SCROLL_CLICK:
if (state == WLC_BUTTON_STATE_PRESSED) {
pointer_state.scroll.held = true;
pointer_state.scroll.x = origin->x;
pointer_state.scroll.y = origin->y;
pointer_state.scroll.view = pointer_state.view;
} else {
pointer_state.scroll.held = false;
}
break;
//TODO scrolling behavior
case M_SCROLL_UP:
case M_SCROLL_DOWN:
break;
}
// get focused window and check if to change focus on mouse click
swayc_t *focused = get_focused_container(&root_container);
// dont change focus or mode if fullscreen
if (swayc_is_fullscreen(focused)) {
return EVENT_PASSTHROUGH;
}
// set pointer mode only if floating mod has been set
if (config->floating_mod) {
pointer_mode_set(button, !(modifiers->mods ^ config->floating_mod));
}
// Check whether to change focus
swayc_t *pointer = pointer_state.view;
if (pointer) {
if (focused != pointer) {
set_focused_container(pointer_state.view);
}
// Send to front if floating
if (pointer->is_floating) {
int i;
for (i = 0; i < pointer->parent->floating->length; i++) {
if (pointer->parent->floating->items[i] == pointer) {
list_del(pointer->parent->floating, i);
list_add(pointer->parent->floating, pointer);
break;
}
}
wlc_view_bring_to_front(pointer->handle);
}
}
// Return if mode has been set
if (pointer_state.mode) {
return EVENT_HANDLED;
}
// Always send mouse release
if (state == WLC_BUTTON_STATE_RELEASED) {
return EVENT_PASSTHROUGH;
}
// Finally send click
return EVENT_PASSTHROUGH;
}
static void handle_wlc_ready(void) {
sway_log(L_DEBUG, "Compositor is ready, executing cmds in queue");
// Execute commands until there are none left
config->active = true;
while (config->cmd_queue->length) {
char *line = config->cmd_queue->items[0];
struct cmd_results *res = handle_command(line);
if (res->status != CMD_SUCCESS) {
sway_log(L_ERROR, "Error on line '%s': %s", line, res->error);
}
free_cmd_results(res);
free(line);
list_del(config->cmd_queue, 0);
}
}
struct wlc_interface interface = {
.output = {
.created = handle_output_created,
.destroyed = handle_output_destroyed,
.resolution = handle_output_resolution_change,
.focus = handle_output_focused,
.render = {
.pre = handle_output_pre_render
}
},
.view = {
.created = handle_view_created,
.destroyed = handle_view_destroyed,
.focus = handle_view_focus,
.request = {
.geometry = handle_view_geometry_request,
.state = handle_view_state_request
}
},
.keyboard = {
.key = handle_key
},
.pointer = {
.motion = handle_pointer_motion,
.button = handle_pointer_button
},
.compositor = {
.ready = handle_wlc_ready
}
};
|