window.c

   1 /* Copyright (c) 2012, Bastien Dejean
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *
   7  * 1. Redistributions of source code must retain the above copyright notice, this
   8  *    list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright notice,
  10  *    this list of conditions and the following disclaimer in the documentation
  11  *    and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include "bspwm.h"
  28 #include "ewmh.h"
  29 #include "monitor.h"
  30 #include "query.h"
  31 #include "rule.h"
  32 #include "settings.h"
  33 #include "stack.h"
  34 #include "tree.h"
  35 #include "subscribe.h"
  36 #include "messages.h"
  37 #include "window.h"
  38
  39 void schedule_window(xcb_window_t win)
  40 {
  41         coordinates_t loc;
  42         uint8_t override_redirect = 0;
  43         xcb_get_window_attributes_reply_t *wa = xcb_get_window_attributes_reply(dpy, xcb_get_window_attributes(dpy, win), NULL);
  44
  45         if (wa != NULL) {
  46                 override_redirect = wa->override_redirect;
  47                 free(wa);
  48         }
  49
  50         if (override_redirect || locate_window(win, &loc))
  51                 return;
  52
  53         /* ignore pending windows */
  54         for (pending_rule_t *pr = pending_rule_head; pr != NULL; pr = pr->next)
  55                 if (pr->win == win)
  56                         return;
  57
  58         rule_consequence_t *csq = make_rule_conquence();
  59         apply_rules(win, csq);
  60         if (!schedule_rules(win, csq)) {
  61                 manage_window(win, csq, -1);
  62                 free(csq);
  63         }
  64 }
  65
  66 void manage_window(xcb_window_t win, rule_consequence_t *csq, int fd)
  67 {
  68         monitor_t *m = mon;
  69         desktop_t *d = mon->desk;
  70         node_t *f = mon->desk->focus;
  71
  72         parse_rule_consequence(fd, csq);
  73
  74         if (!csq->manage) {
  75                 free(csq->layer);
  76                 free(csq->state);
  77                 disable_floating_atom(win);
  78                 window_show(win);
  79                 return;
  80         }
  81
  82         PRINTF("manage %X\n", win);
  83
  84         if (csq->node_desc[0] != '\0') {
  85                 coordinates_t ref = {m, d, f};
  86                 coordinates_t trg = {NULL, NULL, NULL};
  87                 if (node_from_desc(csq->node_desc, &ref, &trg)) {
  88                         m = trg.monitor;
  89                         d = trg.desktop;
  90                         f = trg.node;
  91                 }
  92         } else if (csq->desktop_desc[0] != '\0') {
  93                 coordinates_t ref = {m, d, NULL};
  94                 coordinates_t trg = {NULL, NULL, NULL};
  95                 if (desktop_from_desc(csq->desktop_desc, &ref, &trg)) {
  96                         m = trg.monitor;
  97                         d = trg.desktop;
  98                         f = trg.desktop->focus;
  99                 }
 100         } else if (csq->monitor_desc[0] != '\0') {
 101                 coordinates_t ref = {m, NULL, NULL};
 102                 coordinates_t trg = {NULL, NULL, NULL};
 103                 if (monitor_from_desc(csq->monitor_desc, &ref, &trg)) {
 104                         m = trg.monitor;
 105                         d = trg.monitor->desk;
 106                         f = trg.monitor->desk->focus;
 107                 }
 108         }
 109
 110         if (csq->sticky) {
 111                 m = mon;
 112                 d = mon->desk;
 113                 f = mon->desk->focus;
 114         }
 115
 116         if (csq->split_dir[0] != '\0' && f != NULL) {
 117                 direction_t dir;
 118                 if (parse_direction(csq->split_dir, &dir)) {
 119                         f->split_mode = MODE_MANUAL;
 120                         f->split_dir = dir;
 121                 }
 122         }
 123
 124         if (csq->split_ratio != 0 && f != NULL) {
 125                 f->split_ratio = csq->split_ratio;
 126         }
 127
 128         client_t *c = make_client(win, csq->border ? d->border_width : 0);
 129         update_floating_rectangle(c);
 130         if (c->floating_rectangle.x == 0 && c->floating_rectangle.y == 0)
 131                 csq->center = true;
 132         c->min_width = csq->min_width;
 133         c->max_width = csq->max_width;
 134         c->min_height = csq->min_height;
 135         c->max_height = csq->max_height;
 136         monitor_t *mm = monitor_from_client(c);
 137         embrace_client(mm, c);
 138         translate_client(mm, m, c);
 139
 140         if (csq->center) {
 141                 window_center(m, c);
 142         }
 143
 144         snprintf(c->class_name, sizeof(c->class_name), "%s", csq->class_name);
 145         snprintf(c->instance_name, sizeof(c->instance_name), "%s", csq->instance_name);
 146
 147         node_t *n = make_node();
 148         n->client = c;
 149
 150         put_status(SBSC_MASK_WINDOW_MANAGE, "window_manage %s %s 0x%X 0x%X\n", m->name, d->name, f!=NULL?f->client->window:0, win);
 151         insert_node(m, d, n, f);
 152
 153         if (f != NULL && f->client != NULL && csq->state != NULL && *(csq->state) == STATE_FLOATING) {
 154                 c->layer = f->client->layer;
 155         }
 156
 157         if (csq->layer != NULL) {
 158                 c->layer = *(csq->layer);
 159         }
 160
 161         disable_floating_atom(c->window);
 162         set_state(m, d, n, csq->state != NULL ? *(csq->state) : c->state);
 163         set_locked(m, d, n, csq->locked);
 164         set_sticky(m, d, n, csq->sticky);
 165         set_private(m, d, n, csq->private);
 166
 167         arrange(m, d);
 168
 169         bool give_focus = (csq->focus && (d == mon->desk || csq->follow));
 170
 171         if (give_focus) {
 172                 focus_node(m, d, n);
 173         } else if (csq->focus) {
 174                 pseudo_focus(m, d, n);
 175         } else {
 176                 stack(n, false);
 177         }
 178
 179         uint32_t values[] = {CLIENT_EVENT_MASK | (focus_follows_pointer ? XCB_EVENT_MASK_ENTER_WINDOW : 0)};
 180         xcb_change_window_attributes(dpy, c->window, XCB_CW_EVENT_MASK, values);
 181
 182         if (visible) {
 183                 if (d == m->desk)
 184                         window_show(n->client->window);
 185                 else
 186                         window_hide(n->client->window);
 187         }
 188
 189         /* the same function is already called in `focus_node` but has no effects on unmapped windows */
 190         if (give_focus) {
 191                 xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
 192         }
 193
 194         num_clients++;
 195         ewmh_set_wm_desktop(n, d);
 196         ewmh_update_client_list();
 197         free(csq->layer);
 198         free(csq->state);
 199 }
 200
 201 void unmanage_window(xcb_window_t win)
 202 {
 203         coordinates_t loc;
 204         if (locate_window(win, &loc)) {
 205                 PRINTF("unmanage %X\n", win);
 206                 put_status(SBSC_MASK_WINDOW_UNMANAGE, "window_unmanage 0x%X\n", win);
 207                 remove_node(loc.monitor, loc.desktop, loc.node);
 208                 if (frozen_pointer->window == win)
 209                         frozen_pointer->action = ACTION_NONE;
 210                 arrange(loc.monitor, loc.desktop);
 211         } else {
 212                 for (pending_rule_t *pr = pending_rule_head; pr != NULL; pr = pr->next) {
 213                         if (pr->win == win) {
 214                                 remove_pending_rule(pr);
 215                                 return;
 216                         }
 217                 }
 218         }
 219 }
 220
 221 void window_draw_border(node_t *n, bool focused_window, bool focused_monitor)
 222 {
 223         if (n == NULL || n->client->border_width < 1) {
 224                 return;
 225         }
 226
 227         xcb_window_t win = n->client->window;
 228         uint32_t border_color_pxl = get_border_color(n->client, focused_window, focused_monitor);
 229
 230         if (n->split_mode == MODE_AUTOMATIC) {
 231                 xcb_change_window_attributes(dpy, win, XCB_CW_BORDER_PIXEL, &border_color_pxl);
 232         } else {
 233                 unsigned int border_width = n->client->border_width;
 234                 uint32_t presel_border_color_pxl;
 235                 get_color(presel_border_color, win, &presel_border_color_pxl);
 236
 237                 xcb_rectangle_t actual_rectangle = get_rectangle(NULL, n->client);
 238
 239                 uint16_t width = actual_rectangle.width;
 240                 uint16_t height = actual_rectangle.height;
 241
 242                 uint16_t full_width = width + 2 * border_width;
 243                 uint16_t full_height = height + 2 * border_width;
 244
 245                 xcb_rectangle_t border_rectangles[] =
 246                 {
 247                         { width, 0, 2 * border_width, height + 2 * border_width },
 248                         { 0, height, width + 2 * border_width, 2 * border_width }
 249                 };
 250
 251                 xcb_rectangle_t *presel_rectangles;
 252
 253                 uint8_t win_depth = root_depth;
 254                 xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply(dpy, xcb_get_geometry(dpy, win), NULL);
 255                 if (geo != NULL)
 256                         win_depth = geo->depth;
 257                 free(geo);
 258
 259                 xcb_pixmap_t pixmap = xcb_generate_id(dpy);
 260                 xcb_create_pixmap(dpy, win_depth, pixmap, win, full_width, full_height);
 261
 262                 xcb_gcontext_t gc = xcb_generate_id(dpy);
 263                 xcb_create_gc(dpy, gc, pixmap, 0, NULL);
 264
 265                 xcb_change_gc(dpy, gc, XCB_GC_FOREGROUND, &border_color_pxl);
 266                 xcb_poly_fill_rectangle(dpy, pixmap, gc, LENGTH(border_rectangles), border_rectangles);
 267
 268                 uint16_t fence = (int16_t) (n->split_ratio * ((n->split_dir == DIR_UP || n->split_dir == DIR_DOWN) ? height : width));
 269                 presel_rectangles = malloc(2 * sizeof(xcb_rectangle_t));
 270                 switch (n->split_dir) {
 271                         case DIR_UP:
 272                                 presel_rectangles[0] = (xcb_rectangle_t) {width, 0, 2 * border_width, fence};
 273                                 presel_rectangles[1] = (xcb_rectangle_t) {0, height + border_width, full_width, border_width};
 274                                 break;
 275                         case DIR_DOWN:
 276                                 presel_rectangles[0] = (xcb_rectangle_t) {width, fence + 1, 2 * border_width, height + border_width - (fence + 1)};
 277                                 presel_rectangles[1] = (xcb_rectangle_t) {0, height, full_width, border_width};
 278                                 break;
 279                         case DIR_LEFT:
 280                                 presel_rectangles[0] = (xcb_rectangle_t) {0, height, fence, 2 * border_width};
 281                                 presel_rectangles[1] = (xcb_rectangle_t) {width + border_width, 0, border_width, full_height};
 282                                 break;
 283                         case DIR_RIGHT:
 284                                 presel_rectangles[0] = (xcb_rectangle_t) {fence + 1, height, width + border_width - (fence + 1), 2 * border_width};
 285                                 presel_rectangles[1] = (xcb_rectangle_t) {width, 0, border_width, full_height};
 286                                 break;
 287                 }
 288                 xcb_change_gc(dpy, gc, XCB_GC_FOREGROUND, &presel_border_color_pxl);
 289                 xcb_poly_fill_rectangle(dpy, pixmap, gc, 2, presel_rectangles);
 290                 xcb_change_window_attributes(dpy, win, XCB_CW_BORDER_PIXMAP, &pixmap);
 291                 free(presel_rectangles);
 292                 xcb_free_gc(dpy, gc);
 293                 xcb_free_pixmap(dpy, pixmap);
 294         }
 295 }
 296
 297 pointer_state_t *make_pointer_state(void)
 298 {
 299         pointer_state_t *p = malloc(sizeof(pointer_state_t));
 300         p->monitor = NULL;
 301         p->desktop = NULL;
 302         p->node = p->vertical_fence = p->horizontal_fence = NULL;
 303         p->client = NULL;
 304         p->window = XCB_NONE;
 305         p->action = ACTION_NONE;
 306         return p;
 307 }
 308
 309 /* Returns true if a contains b */
 310 bool contains(xcb_rectangle_t a, xcb_rectangle_t b)
 311 {
 312         return (a.x <= b.x && (a.x + a.width) >= (b.x + b.width) &&
 313                 a.y <= b.y && (a.y + a.height) >= (b.y + b.height));
 314 }
 315
 316 xcb_rectangle_t get_rectangle(monitor_t *m, client_t *c)
 317 {
 318         switch (c->state) {
 319                 case STATE_TILED:
 320                         return c->tiled_rectangle;
 321                         break;
 322                 case STATE_PSEUDO_TILED:
 323                 case STATE_FLOATING:
 324                         return c->floating_rectangle;
 325                         break;
 326                 case STATE_FULLSCREEN:
 327                         return m->rectangle;
 328                         break;
 329          }
 330 }
 331
 332 void get_side_handle(client_t *c, direction_t dir, xcb_point_t *pt)
 333 {
 334         xcb_rectangle_t rect = get_rectangle(NULL, c);
 335
 336         switch (dir) {
 337                 case DIR_RIGHT:
 338                         pt->x = rect.x + rect.width;
 339                         pt->y = rect.y + (rect.height / 2);
 340                         break;
 341                 case DIR_DOWN:
 342                         pt->x = rect.x + (rect.width / 2);
 343                         pt->y = rect.y + rect.height;
 344                         break;
 345                 case DIR_LEFT:
 346                         pt->x = rect.x;
 347                         pt->y = rect.y + (rect.height / 2);
 348                         break;
 349                 case DIR_UP:
 350                         pt->x = rect.x + (rect.width / 2);
 351                         pt->y = rect.y;
 352                         break;
 353         }
 354 }
 355
 356 void adopt_orphans(void)
 357 {
 358         xcb_query_tree_reply_t *qtr = xcb_query_tree_reply(dpy, xcb_query_tree(dpy, root), NULL);
 359         if (qtr == NULL)
 360                 return;
 361
 362         PUTS("adopt orphans");
 363
 364         int len = xcb_query_tree_children_length(qtr);
 365         xcb_window_t *wins = xcb_query_tree_children(qtr);
 366         for (int i = 0; i < len; i++) {
 367                 uint32_t idx;
 368                 xcb_window_t win = wins[i];
 369                 if (xcb_ewmh_get_wm_desktop_reply(ewmh, xcb_ewmh_get_wm_desktop(ewmh, win), &idx, NULL) == 1)
 370                         schedule_window(win);
 371         }
 372
 373         free(qtr);
 374 }
 375
 376 void window_close(node_t *n)
 377 {
 378         if (n == NULL || n->client->locked)
 379                 return;
 380
 381         PRINTF("close window %X\n", n->client->window);
 382
 383         send_client_message(n->client->window, ewmh->WM_PROTOCOLS, WM_DELETE_WINDOW);
 384 }
 385
 386 void window_kill(monitor_t *m, desktop_t *d, node_t *n)
 387 {
 388         if (n == NULL)
 389                 return;
 390
 391         xcb_window_t win = n->client->window;
 392         PRINTF("kill window %X\n", win);
 393
 394         xcb_kill_client(dpy, win);
 395         remove_node(m, d, n);
 396 }
 397
 398 void set_layer(monitor_t *m, desktop_t *d, node_t *n, stack_layer_t l)
 399 {
 400         if (n == NULL || n->client->layer == l) {
 401                 return;
 402         }
 403
 404         client_t *c = n->client;
 405
 406         c->layer = l;
 407
 408         put_status(SBSC_MASK_WINDOW_LAYER, "window_layer %s 0x%X\n", LAYERSTR(l), c->window);
 409
 410         if (d->focus == n) {
 411                 neutralize_obscuring_windows(m, d, n);
 412         }
 413
 414         stack(n, (d->focus == n));
 415 }
 416
 417 void set_state(monitor_t *m, desktop_t *d, node_t *n, client_state_t s)
 418 {
 419         if (n == NULL || n->client->state == s) {
 420                 return;
 421         }
 422
 423         client_t *c = n->client;
 424
 425         c->last_state = c->state;
 426         c->state = s;
 427
 428         switch (c->last_state) {
 429                 case STATE_TILED:
 430                 case STATE_PSEUDO_TILED:
 431                         break;
 432                 case STATE_FLOATING:
 433                         set_floating(m, d, n, false);
 434                         break;
 435                 case STATE_FULLSCREEN:
 436                         set_fullscreen(m, d, n, false);
 437                         break;
 438         }
 439
 440         put_status(SBSC_MASK_WINDOW_STATE, "window_state %s off 0x%X\n", STATESTR(c->last_state), c->window);
 441
 442         switch (c->state) {
 443                 case STATE_TILED:
 444                 case STATE_PSEUDO_TILED:
 445                         break;
 446                 case STATE_FLOATING:
 447                         set_floating(m, d, n, true);
 448                         break;
 449                 case STATE_FULLSCREEN:
 450                         set_fullscreen(m, d, n, true);
 451                         break;
 452         }
 453
 454         put_status(SBSC_MASK_WINDOW_STATE, "window_state %s on 0x%X\n", STATESTR(c->state), c->window);
 455 }
 456
 457 void set_floating(monitor_t *m, desktop_t *d, node_t *n, bool value)
 458 {
 459         if (n == NULL) {
 460                 return;
 461         }
 462
 463         client_t *c = n->client;
 464
 465         n->split_mode = MODE_AUTOMATIC;
 466         n->vacant = value;
 467         update_vacant_state(n->parent);
 468
 469         if (value) {
 470                 enable_floating_atom(c->window);
 471                 unrotate_brother(n);
 472         } else {
 473                 disable_floating_atom(c->window);
 474                 rotate_brother(n);
 475                 if (d->focus == n) {
 476                         neutralize_obscuring_windows(m, d, n);
 477                 }
 478         }
 479
 480         stack(n, (d->focus == n));
 481 }
 482
 483 void set_fullscreen(monitor_t *m, desktop_t *d, node_t *n, bool value)
 484 {
 485         if (n == NULL) {
 486                 return;
 487         }
 488
 489         client_t *c = n->client;
 490
 491         n->split_mode = MODE_AUTOMATIC;
 492         n->vacant = value;
 493         update_vacant_state(n->parent);
 494
 495         if (value) {
 496                 ewmh_wm_state_add(c, ewmh->_NET_WM_STATE_FULLSCREEN);
 497                 c->last_layer = c->layer;
 498                 c->layer = LAYER_ABOVE;
 499         } else {
 500                 ewmh_wm_state_remove(c, ewmh->_NET_WM_STATE_FULLSCREEN);
 501                 c->layer = c->last_layer;
 502                 if (d->focus == n) {
 503                         neutralize_obscuring_windows(m, d, n);
 504                 }
 505         }
 506
 507         stack(n, (d->focus == n));
 508 }
 509
 510 void neutralize_obscuring_windows(monitor_t *m, desktop_t *d, node_t *n)
 511 {
 512         bool dirty = false;
 513         for (node_t *a = first_extrema(d->root); a != NULL; a = next_leaf(a, d->root)) {
 514                 if (a != n) {
 515                         if (IS_FULLSCREEN(a->client) && stack_cmp(n->client, a->client) < 0) {
 516                                 set_state(m, d, a, a->client->last_state);
 517                                 dirty = true;
 518                         }
 519                 }
 520         }
 521         if (dirty) {
 522                 arrange(m, d);
 523         }
 524 }
 525
 526 void set_locked(monitor_t *m, desktop_t *d, node_t *n, bool value)
 527 {
 528         if (n == NULL || n->client->locked == value)
 529                 return;
 530
 531         client_t *c = n->client;
 532
 533         put_status(SBSC_MASK_WINDOW_FLAG, "window_flag locked %s 0x%X\n", ONOFFSTR(value), c->window);
 534
 535         c->locked = value;
 536         window_draw_border(n, d->focus == n, m == mon);
 537 }
 538
 539 void set_sticky(monitor_t *m, desktop_t *d, node_t *n, bool value)
 540 {
 541         if (n == NULL || n->client->sticky == value)
 542                 return;
 543
 544         client_t *c = n->client;
 545
 546         put_status(SBSC_MASK_WINDOW_FLAG, "window_flag sticky %s 0x%X\n", ONOFFSTR(value), c->window);
 547
 548         if (d != m->desk)
 549                 transfer_node(m, d, n, m, m->desk, m->desk->focus);
 550
 551         c->sticky = value;
 552         if (value) {
 553                 ewmh_wm_state_add(c, ewmh->_NET_WM_STATE_STICKY);
 554                 m->num_sticky++;
 555         } else {
 556                 ewmh_wm_state_remove(c, ewmh->_NET_WM_STATE_STICKY);
 557                 m->num_sticky--;
 558         }
 559
 560         window_draw_border(n, d->focus == n, m == mon);
 561 }
 562
 563 void set_private(monitor_t *m, desktop_t *d, node_t *n, bool value)
 564 {
 565         if (n == NULL || n->client->private == value)
 566                 return;
 567
 568         client_t *c = n->client;
 569
 570         put_status(SBSC_MASK_WINDOW_FLAG, "window_flag private %s 0x%X\n", ONOFFSTR(value), c->window);
 571
 572         c->private = value;
 573         update_privacy_level(n, value);
 574         window_draw_border(n, d->focus == n, m == mon);
 575 }
 576
 577 void set_urgency(monitor_t *m, desktop_t *d, node_t *n, bool value)
 578 {
 579         if (value && mon->desk->focus == n)
 580                 return;
 581         n->client->urgent = value;
 582         window_draw_border(n, d->focus == n, m == mon);
 583
 584         put_status(SBSC_MASK_WINDOW_FLAG, "window_flag urgent %s 0x%X\n", ONOFFSTR(value), n->client->window);
 585         put_status(SBSC_MASK_REPORT);
 586 }
 587
 588 void set_floating_atom(xcb_window_t win, uint32_t value)
 589 {
 590         if (!apply_floating_atom)
 591                 return;
 592         set_atom(win, _BSPWM_FLOATING_WINDOW, value);
 593 }
 594
 595 void enable_floating_atom(xcb_window_t win)
 596 {
 597         set_floating_atom(win, 1);
 598 }
 599
 600 void disable_floating_atom(xcb_window_t win)
 601 {
 602         set_floating_atom(win, 0);
 603 }
 604
 605 uint32_t get_border_color(client_t *c, bool focused_window, bool focused_monitor)
 606 {
 607         if (c == NULL)
 608                 return 0;
 609
 610         uint32_t pxl = 0;
 611
 612         if (focused_monitor && focused_window) {
 613                 if (c->locked)
 614                         get_color(focused_locked_border_color, c->window, &pxl);
 615                 else if (c->sticky)
 616                         get_color(focused_sticky_border_color, c->window, &pxl);
 617                 else if (c->private)
 618                         get_color(focused_private_border_color, c->window, &pxl);
 619                 else
 620                         get_color(focused_border_color, c->window, &pxl);
 621         } else if (focused_window) {
 622                 if (c->urgent)
 623                         get_color(urgent_border_color, c->window, &pxl);
 624                 else if (c->locked)
 625                         get_color(active_locked_border_color, c->window, &pxl);
 626                 else if (c->sticky)
 627                         get_color(active_sticky_border_color, c->window, &pxl);
 628                 else if (c->private)
 629                         get_color(active_private_border_color, c->window, &pxl);
 630                 else
 631                         get_color(active_border_color, c->window, &pxl);
 632         } else {
 633                 if (c->urgent)
 634                         get_color(urgent_border_color, c->window, &pxl);
 635                 else if (c->locked)
 636                         get_color(normal_locked_border_color, c->window, &pxl);
 637                 else if (c->sticky)
 638                         get_color(normal_sticky_border_color, c->window, &pxl);
 639                 else if (c->private)
 640                         get_color(normal_private_border_color, c->window, &pxl);
 641                 else
 642                         get_color(normal_border_color, c->window, &pxl);
 643         }
 644
 645         return pxl;
 646 }
 647
 648 void update_floating_rectangle(client_t *c)
 649 {
 650         xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply(dpy, xcb_get_geometry(dpy, c->window), NULL);
 651
 652         if (geo != NULL)
 653                 c->floating_rectangle = (xcb_rectangle_t) {geo->x, geo->y, geo->width, geo->height};
 654
 655         free(geo);
 656 }
 657
 658 void restrain_floating_width(client_t *c, int *width)
 659 {
 660         if (*width < 1)
 661                 *width = 1;
 662         if (c->min_width > 0 && *width < c->min_width)
 663                 *width = c->min_width;
 664         else if (c->max_width > 0 && *width > c->max_width)
 665                 *width = c->max_width;
 666 }
 667
 668 void restrain_floating_height(client_t *c, int *height)
 669 {
 670         if (*height < 1)
 671                 *height = 1;
 672         if (c->min_height > 0 && *height < c->min_height)
 673                 *height = c->min_height;
 674         else if (c->max_height > 0 && *height > c->max_height)
 675                 *height = c->max_height;
 676 }
 677
 678 void restrain_floating_size(client_t *c, int *width, int *height)
 679 {
 680         restrain_floating_width(c, width);
 681         restrain_floating_height(c, height);
 682 }
 683
 684 void query_pointer(xcb_window_t *win, xcb_point_t *pt)
 685 {
 686         window_lower(motion_recorder);
 687
 688         xcb_query_pointer_reply_t *qpr = xcb_query_pointer_reply(dpy, xcb_query_pointer(dpy, root), NULL);
 689
 690         if (qpr != NULL) {
 691                 if (win != NULL)
 692                         *win = qpr->child;
 693                 if (pt != NULL)
 694                         *pt = (xcb_point_t) {qpr->root_x, qpr->root_y};
 695                 free(qpr);
 696         }
 697
 698         window_raise(motion_recorder);
 699 }
 700
 701 void window_border_width(xcb_window_t win, uint32_t bw)
 702 {
 703         uint32_t values[] = {bw};
 704         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_BORDER_WIDTH, values);
 705 }
 706
 707 void window_move(xcb_window_t win, int16_t x, int16_t y)
 708 {
 709         uint32_t values[] = {x, y};
 710         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_X_Y, values);
 711 }
 712
 713 void window_resize(xcb_window_t win, uint16_t w, uint16_t h)
 714 {
 715         uint32_t values[] = {w, h};
 716         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_WIDTH_HEIGHT, values);
 717 }
 718
 719 void window_move_resize(xcb_window_t win, int16_t x, int16_t y, uint16_t w, uint16_t h)
 720 {
 721         uint32_t values[] = {x, y, w, h};
 722         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_X_Y_WIDTH_HEIGHT, values);
 723 }
 724
 725 void window_raise(xcb_window_t win)
 726 {
 727         uint32_t values[] = {XCB_STACK_MODE_ABOVE};
 728         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_STACK_MODE, values);
 729 }
 730
 731 void window_center(monitor_t *m, client_t *c)
 732 {
 733         xcb_rectangle_t *r = &c->floating_rectangle;
 734         xcb_rectangle_t a = m->rectangle;
 735         if (r->width >= a.width)
 736                 r->x = a.x;
 737         else
 738                 r->x = a.x + (a.width - r->width) / 2;
 739         if (r->height >= a.height)
 740                 r->y = a.y;
 741         else
 742                 r->y = a.y + (a.height - r->height) / 2;
 743         r->x -= c->border_width;
 744         r->y -= c->border_width;
 745 }
 746
 747 void window_stack(xcb_window_t w1, xcb_window_t w2, uint32_t mode)
 748 {
 749         if (w2 == XCB_NONE)
 750                 return;
 751         uint16_t mask = XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE;
 752         uint32_t values[] = {w2, mode};
 753         xcb_configure_window(dpy, w1, mask, values);
 754 }
 755
 756 void window_above(xcb_window_t w1, xcb_window_t w2)
 757 {
 758         window_stack(w1, w2, XCB_STACK_MODE_ABOVE);
 759 }
 760
 761 void window_below(xcb_window_t w1, xcb_window_t w2)
 762 {
 763         window_stack(w1, w2, XCB_STACK_MODE_BELOW);
 764 }
 765
 766 void window_lower(xcb_window_t win)
 767 {
 768         uint32_t values[] = {XCB_STACK_MODE_BELOW};
 769         xcb_configure_window(dpy, win, XCB_CONFIG_WINDOW_STACK_MODE, values);
 770 }
 771
 772 void window_set_visibility(xcb_window_t win, bool visible)
 773 {
 774         uint32_t values_off[] = {ROOT_EVENT_MASK & ~XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY};
 775         uint32_t values_on[] = {ROOT_EVENT_MASK};
 776         xcb_change_window_attributes(dpy, root, XCB_CW_EVENT_MASK, values_off);
 777         if (visible)
 778                 xcb_map_window(dpy, win);
 779         else
 780                 xcb_unmap_window(dpy, win);
 781         xcb_change_window_attributes(dpy, root, XCB_CW_EVENT_MASK, values_on);
 782 }
 783
 784 void window_hide(xcb_window_t win)
 785 {
 786         PRINTF("window hide %X\n", win);
 787         window_set_visibility(win, false);
 788 }
 789
 790 void window_show(xcb_window_t win)
 791 {
 792         PRINTF("window show %X\n", win);
 793         window_set_visibility(win, true);
 794 }
 795
 796 void toggle_visibility(void)
 797 {
 798         visible = !visible;
 799         if (!visible)
 800                 clear_input_focus();
 801         for (monitor_t *m = mon_head; m != NULL; m = m->next)
 802                 for (node_t *n = first_extrema(m->desk->root); n != NULL; n = next_leaf(n, m->desk->root))
 803                         window_set_visibility(n->client->window, visible);
 804         if (visible)
 805                 update_input_focus();
 806 }
 807
 808 void enable_motion_recorder(void)
 809 {
 810         PUTS("motion recorder on");
 811         window_raise(motion_recorder);
 812         window_show(motion_recorder);
 813 }
 814
 815 void disable_motion_recorder(void)
 816 {
 817         PUTS("motion recorder off");
 818         window_hide(motion_recorder);
 819 }
 820
 821 void update_motion_recorder(void)
 822 {
 823         xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply(dpy, xcb_get_geometry(dpy, root), NULL);
 824
 825         if (geo != NULL) {
 826                 window_resize(motion_recorder, geo->width, geo->height);
 827                 PRINTF("update motion recorder size: %ux%u\n", geo->width, geo->height);
 828         }
 829
 830         free(geo);
 831 }
 832
 833 void update_input_focus(void)
 834 {
 835         set_input_focus(mon->desk->focus);
 836 }
 837
 838 void set_input_focus(node_t *n)
 839 {
 840         if (n == NULL) {
 841                 clear_input_focus();
 842         } else {
 843                 if (n->client->icccm_focus)
 844                         send_client_message(n->client->window, ewmh->WM_PROTOCOLS, WM_TAKE_FOCUS);
 845                 xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, n->client->window, XCB_CURRENT_TIME);
 846         }
 847 }
 848
 849 void clear_input_focus(void)
 850 {
 851         xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
 852 }
 853
 854 void center_pointer(xcb_rectangle_t r)
 855 {
 856         int16_t cx = r.x + r.width / 2;
 857         int16_t cy = r.y + r.height / 2;
 858         window_lower(motion_recorder);
 859         xcb_warp_pointer(dpy, XCB_NONE, root, 0, 0, 0, 0, cx, cy);
 860         window_raise(motion_recorder);
 861 }
 862
 863 void get_atom(char *name, xcb_atom_t *atom)
 864 {
 865         xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(dpy, xcb_intern_atom(dpy, 0, strlen(name), name), NULL);
 866         if (reply != NULL)
 867                 *atom = reply->atom;
 868         else
 869                 *atom = XCB_NONE;
 870         free(reply);
 871 }
 872
 873 void set_atom(xcb_window_t win, xcb_atom_t atom, uint32_t value)
 874 {
 875         xcb_change_property(dpy, XCB_PROP_MODE_REPLACE, win, atom, XCB_ATOM_CARDINAL, 32, 1, &value);
 876 }
 877
 878 bool has_proto(xcb_atom_t atom, xcb_icccm_get_wm_protocols_reply_t *protocols)
 879 {
 880         for (uint32_t i = 0; i < protocols->atoms_len; i++)
 881                 if (protocols->atoms[i] == atom)
 882                         return true;
 883         return false;
 884 }
 885
 886 void send_client_message(xcb_window_t win, xcb_atom_t property, xcb_atom_t value)
 887 {
 888         xcb_client_message_event_t e;
 889
 890         e.response_type = XCB_CLIENT_MESSAGE;
 891         e.window = win;
 892         e.format = 32;
 893         e.sequence = 0;
 894         e.type = property;
 895         e.data.data32[0] = value;
 896         e.data.data32[1] = XCB_CURRENT_TIME;
 897
 898         xcb_send_event(dpy, false, win, XCB_EVENT_MASK_NO_EVENT, (char *) &e);
 899 }