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