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