client.c

   1 /*
   2  * client.c - client management
   3  *
   4  * Copyright © 2007 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <X11/Xatom.h>
  24 #include <X11/extensions/shape.h>
  25
  26 #include "screen.h"
  27 #include "tab.h"
  28 #include "awesome.h"
  29 #include "layout.h"
  30 #include "tag.h"
  31 #include "util.h"
  32 #include "statusbar.h"
  33 #include "window.h"
  34 #include "layouts/floating.h"
  35
  36 /** Get a Client by its window
  37  * \param list Client list to look info
  38  * \param w Client window to find
  39  * \return client
  40  */
  41 Client *
  42 get_client_bywin(Client *list, Window w)
  43 {
  44     Client *c;
  45
  46     for(c = list; c && c->win != w; c = c->next);
  47     return c;
  48 }
  49
  50 /** Check if client supports protocol WM_DELETE_WINDOW
  51  * \param c the client
  52  * \return True if client has WM_DELETE_WINDOW
  53  */
  54 static Bool
  55 isprotodel(Display *disp, Window win)
  56 {
  57     int i, n;
  58     Atom *protocols;
  59     Bool ret = False;
  60
  61     if(XGetWMProtocols(disp, win, &protocols, &n))
  62     {
  63         for(i = 0; !ret && i < n; i++)
  64             if(protocols[i] == XInternAtom(disp, "WM_DELETE_WINDOW", False))
  65                 ret = True;
  66         XFree(protocols);
  67     }
  68     return ret;
  69 }
  70
  71 /** Swap two client in the linked list clients
  72  * \param c1 first client
  73  * \param c2 second client
  74  */
  75 static void
  76 client_swap(Client **head, Client *c1, Client *c2)
  77 {
  78     Client *tmp;
  79
  80     tmp = c1->next;
  81     c1->next = c2->next;
  82     c2->next = (tmp == c2 ? c1 : tmp);
  83
  84     tmp = c2->prev;
  85     c2->prev = c1->prev;
  86     c1->prev = (tmp == c1 ? c2 : tmp );
  87
  88     if(c1->next)
  89         c1->next->prev = c1;
  90
  91     if(c1->prev)
  92         c1->prev->next = c1;
  93
  94     if(c2->next)
  95         c2->next->prev = c2;
  96
  97     if(c2->prev)
  98         c2->prev->next = c2;
  99
 100     if(*head == c1)
 101         *head = c2;
 102 }
 103
 104 void
 105 updatetitle(Client *c)
 106 {
 107     if(!xgettextprop(c->display, c->win, XInternAtom(c->display, "_NET_WM_NAME", False), c->name, sizeof(c->name)))
 108         xgettextprop(c->display, c->win, XInternAtom(c->display, "WM_NAME", False), c->name, sizeof(c->name));
 109 }
 110
 111 /** Ban client and unmapped it
 112  * \param c the client
 113  */
 114 void
 115 client_ban(Client * c)
 116 {
 117     XUnmapWindow(c->display, c->win);
 118     window_setstate(c->display, c->win, IconicState);
 119 }
 120
 121 /** Attach client after another one
 122 * \param client to attach to
 123 * \param c the client
 124 */
 125 void
 126 client_reattach_after(Client *head, Client *c)
 127 {
 128     if(head->next == c)
 129         return;
 130
 131     if(head->next)
 132         head->next->prev = c;
 133
 134     if(c->prev)
 135         c->prev->next = c->next;
 136
 137     c->next = head->next;
 138     head->next = c;
 139     c->prev = head;
 140 }
 141
 142 /** Attach client to the beginning of the clients stack
 143  * \param head client list
 144  * \param c the client
 145  */
 146 void
 147 client_attach(Client **head, Client *c)
 148 {
 149     if(*head)
 150         (*head)->prev = c;
 151     c->next = *head;
 152     *head = c;
 153 }
 154
 155 /** Detach client from clients list
 156  * \param head client list
 157  * \param c client to detach
 158  */
 159 void
 160 client_detach(Client **head, Client *c)
 161 {
 162     if(c->prev)
 163         c->prev->next = c->next;
 164     if(c->next)
 165         c->next->prev = c->prev;
 166     if(c == *head)
 167         *head = c->next;
 168     c->next = c->prev = NULL;
 169 }
 170
 171 /** Give focus to client, or to first client if c is NULL
 172  * \param c client
 173  * \param selscreen True if current screen is selected
 174  * \param awesomeconf awesome config
 175  */
 176 void
 177 focus(Client *c, Bool selscreen, awesome_config *awesomeconf)
 178 {
 179     int i;
 180     Tag *tag = get_current_tag(awesomeconf->tags, awesomeconf->ntags);
 181
 182     /* if c is NULL or invisible, take next client in the stack */
 183     if((!c && selscreen) || (c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags)))
 184         for(c = *awesomeconf->clients; c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); c = c->next);
 185
 186     /* XXX unfocus other tags clients, this is a bit too much */
 187     for(i = 0; i < awesomeconf->ntags; i++)
 188         if(awesomeconf->tags[i].client_sel)
 189         {
 190             window_grabbuttons(awesomeconf->tags[i].client_sel->display,
 191                                awesomeconf->tags[i].client_sel->phys_screen,
 192                                awesomeconf->tags[i].client_sel->win,
 193                                False, True, awesomeconf->modkey, awesomeconf->numlockmask);
 194             XSetWindowBorder(awesomeconf->tags[i].client_sel->display,
 195                              awesomeconf->tags[i].client_sel->win,
 196                              awesomeconf->colors_normal[ColBorder].pixel);
 197             window_settrans(awesomeconf->tags[i].client_sel->display,
 198                             awesomeconf->tags[i].client_sel->win, awesomeconf->opacity_unfocused);
 199         }
 200     if(c)
 201     {
 202         if(c->tab.next || c->tab.prev)
 203             XSetWindowBorder(awesomeconf->display, c->win, awesomeconf->colors_tab[ColBorder].pixel);
 204         else
 205             XSetWindowBorder(awesomeconf->display, c->win, awesomeconf->colors_selected[ColBorder].pixel);
 206     }
 207     if(c)
 208         window_grabbuttons(c->display, c->phys_screen, c->win,
 209                            True, True, awesomeconf->modkey, awesomeconf->numlockmask);
 210     if(!selscreen)
 211         return;
 212     tag->client_sel = c;
 213     drawstatusbar(awesomeconf);
 214     if(tag->client_sel)
 215     {
 216         XSetInputFocus(tag->client_sel->display, tag->client_sel->win, RevertToPointerRoot, CurrentTime);
 217         for(c = *awesomeconf->clients; c; c = c->next)
 218             if(c != tag->client_sel)
 219                 window_settrans(awesomeconf->display, tag->client_sel->win, awesomeconf->opacity_unfocused);
 220         window_settrans(awesomeconf->display, tag->client_sel->win, -1);
 221     }
 222     else
 223         XSetInputFocus(awesomeconf->display, RootWindow(awesomeconf->display, awesomeconf->phys_screen), RevertToPointerRoot, CurrentTime);
 224 }
 225
 226
 227 /** Load windows properties, restoring client's tag
 228  * and floating state before awesome was restarted if any
 229  * \todo this may bug if number of tags is != than before
 230  * \param c Client ref
 231  * \param ntags tags number
 232  */
 233 Bool
 234 loadprops(Client * c, int ntags)
 235 {
 236     int i;
 237     char *prop;
 238     Bool result = False;
 239
 240     prop = p_new(char, ntags + 2);
 241
 242     if(xgettextprop(c->display, c->win, AWESOMEPROPS_ATOM(c->display), prop, ntags + 2))
 243     {
 244         for(i = 0; i < ntags && prop[i]; i++)
 245             if((c->tags[i] = prop[i] == '1'))
 246                 result = True;
 247         if(i <= ntags && prop[i])
 248             c->isfloating = prop[i] == '1';
 249     }
 250
 251     p_delete(&prop);
 252
 253     return result;
 254 }
 255
 256 /** Manage a new client
 257  * \param w The window
 258  * \param wa Window attributes
 259  * \param awesomeconf awesome config
 260  */
 261 void
 262 client_manage(Window w, XWindowAttributes *wa, awesome_config *awesomeconf)
 263 {
 264     int i;
 265     Client *c, *t = NULL;
 266     Window trans;
 267     Status rettrans;
 268     XWindowChanges wc;
 269     ScreenInfo *screen_info = get_screen_info(awesomeconf->display, awesomeconf->screen, NULL);
 270
 271     c = p_new(Client, 1);
 272
 273     c->win = w;
 274     c->x = c->rx = wa->x;
 275     c->y = c->ry = wa->y;
 276     c->w = c->rw = wa->width;
 277     c->h = c->rh = wa->height;
 278     c->oldborder = wa->border_width;
 279
 280     c->display = awesomeconf->display;
 281     c->phys_screen = awesomeconf->phys_screen;
 282
 283     c->tab.isvisible = True;
 284
 285     /* if window request fullscreen mode */
 286     if(c->w == screen_info[awesomeconf->screen].width && c->h == screen_info[awesomeconf->screen].height)
 287     {
 288         c->x = screen_info[awesomeconf->screen].x_org;
 289         c->y = screen_info[awesomeconf->screen].y_org;
 290
 291         c->border = wa->border_width;
 292     }
 293     else
 294     {
 295         ScreenInfo *display_info = get_display_info(c->display, c->phys_screen, &awesomeconf->statusbar);
 296
 297         if(c->x + c->w + 2 * c->border > display_info->x_org + display_info->width)
 298             c->x = c->rx = display_info->x_org + display_info->width - c->w - 2 * c->border;
 299         if(c->y + c->h + 2 * c->border > display_info->y_org + display_info->height)
 300             c->y = c->ry = display_info->y_org + display_info->height - c->h - 2 * c->border;
 301         if(c->x < display_info->x_org)
 302             c->x = c->rx = display_info->x_org;
 303         if(c->y < display_info->y_org)
 304             c->y = c->ry = display_info->y_org;
 305
 306         c->border = awesomeconf->borderpx;
 307
 308         p_delete(&display_info);
 309     }
 310     p_delete(&screen_info);
 311
 312     /* set borders */
 313     wc.border_width = c->border;
 314     XConfigureWindow(c->display, w, CWBorderWidth, &wc);
 315     XSetWindowBorder(c->display, w, awesomeconf->colors_normal[ColBorder].pixel);
 316
 317     /* propagates border_width, if size doesn't change */
 318     window_configure(c->display, c->win, c->x, c->y, c->w, c->h, c->border);
 319
 320     /* update sizehint */
 321     updatesizehints(c);
 322
 323     XSelectInput(c->display, w, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 324
 325     /* handle xshape */
 326     if(awesomeconf->have_shape)
 327     {
 328         XShapeSelectInput(c->display, w, ShapeNotifyMask);
 329         window_setshape(c->display, c->phys_screen, c->win);
 330     }
 331
 332     /* grab buttons */
 333     window_grabbuttons(c->display, c->phys_screen, c->win,
 334                        False, True, awesomeconf->modkey, awesomeconf->numlockmask);
 335
 336     /* update window title */
 337     updatetitle(c);
 338
 339     /* move client to screen: this will set screen and create tags array */
 340     c->screen = get_screen_bycoord(c->display, c->x, c->y);
 341     move_client_to_screen(c, awesomeconf, True);
 342
 343     /* check for transient and set tags like its parent */
 344     if((rettrans = XGetTransientForHint(c->display, w, &trans) == Success)
 345        && (t = get_client_bywin(*awesomeconf->clients, trans)))
 346         for(i = 0; i < awesomeconf->ntags; i++)
 347             c->tags[i] = t->tags[i];
 348
 349     /* loadprops or apply rules if no props */
 350     if(!loadprops(c, awesomeconf->ntags))
 351         applyrules(c, awesomeconf);
 352
 353     /* should be floating if transsient or fixed) */
 354     if(!c->isfloating)
 355         c->isfloating = (rettrans == Success) || c->isfixed;
 356
 357     /* save new props */
 358     saveprops(c, awesomeconf->ntags);
 359
 360     /* attach to the stack */
 361     client_attach(awesomeconf->clients, c);
 362
 363     /* some windows require this */
 364     XMoveResizeWindow(c->display, c->win, c->x, c->y, c->w, c->h);
 365
 366     focus(c, True, awesomeconf);
 367
 368     /* rearrange to display new window */
 369     arrange(awesomeconf);
 370 }
 371
 372 void
 373 client_resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf,
 374               Bool sizehints, Bool volatile_coords)
 375 {
 376     double dx, dy, max, min, ratio;
 377     XWindowChanges wc;
 378     ScreenInfo *si;
 379
 380     if(sizehints)
 381     {
 382         if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0)
 383         {
 384             dx = (double) (w - c->basew);
 385             dy = (double) (h - c->baseh);
 386             min = (double) (c->minax) / (double) (c->minay);
 387             max = (double) (c->maxax) / (double) (c->maxay);
 388             ratio = dx / dy;
 389             if(max > 0 && min > 0 && ratio > 0)
 390             {
 391                 if(ratio < min)
 392                 {
 393                     dy = (dx * min + dy) / (min * min + 1);
 394                     dx = dy * min;
 395                     w = (int) dx + c->basew;
 396                     h = (int) dy + c->baseh;
 397                 }
 398                 else if(ratio > max)
 399                 {
 400                     dy = (dx * min + dy) / (max * max + 1);
 401                     dx = dy * min;
 402                     w = (int) dx + c->basew;
 403                     h = (int) dy + c->baseh;
 404                 }
 405             }
 406         }
 407         if(c->minw && w < c->minw)
 408             w = c->minw;
 409         if(c->minh && h < c->minh)
 410             h = c->minh;
 411         if(c->maxw && w > c->maxw)
 412             w = c->maxw;
 413         if(c->maxh && h > c->maxh)
 414             h = c->maxh;
 415         if(c->incw)
 416             w -= (w - c->basew) % c->incw;
 417         if(c->inch)
 418             h -= (h - c->baseh) % c->inch;
 419     }
 420     if(w <= 0 || h <= 0)
 421         return;
 422     /* offscreen appearance fixes */
 423     si = get_display_info(c->display, c->phys_screen, NULL);
 424     if(x > si->width)
 425         x = si->width - w - 2 * c->border;
 426     if(y > si->height)
 427         y = si->height - h - 2 * c->border;
 428     p_delete(&si);
 429     if(x + w + 2 * c->border < 0)
 430         x = 0;
 431     if(y + h + 2 * c->border < 0)
 432         y = 0;
 433     if(c->x != x || c->y != y || c->w != w || c->h != h)
 434     {
 435         c->x = wc.x = x;
 436         c->y = wc.y = y;
 437         c->w = wc.width = w;
 438         c->h = wc.height = h;
 439         if(!volatile_coords
 440            && (c->isfloating
 441                || get_current_layout(awesomeconf->tags, awesomeconf->ntags)->arrange == layout_floating))
 442         {
 443             c->rx = c->x;
 444             c->ry = c->y;
 445             c->rw = c->w;
 446             c->rh = c->h;
 447         }
 448         wc.border_width = c->border;
 449         XConfigureWindow(c->display, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
 450         window_configure(c->display, c->win, c->x, c->y, c->w, c->h, c->border);
 451         XSync(c->display, False);
 452         if(c->x >=0 && c->y >= 0 && XineramaIsActive(c->display))
 453         {
 454             int new_screen = get_screen_bycoord(c->display, c->x, c->y);
 455             if(new_screen >= 0 && c->screen != new_screen)
 456                 move_client_to_screen(c, &awesomeconf[new_screen - awesomeconf->screen], False);
 457         }
 458     }
 459 }
 460
 461 void
 462 saveprops(Client * c, int ntags)
 463 {
 464     int i;
 465     char *prop;
 466
 467     prop = p_new(char, ntags + 2);
 468
 469     for(i = 0; i < ntags; i++)
 470         prop[i] = c->tags[i] ? '1' : '0';
 471
 472     if(i <= ntags)
 473         prop[i] = c->isfloating ? '1' : '0';
 474
 475     prop[++i] = '\0';
 476
 477     XChangeProperty(c->display, c->win, AWESOMEPROPS_ATOM(c->display), XA_STRING, 8,
 478                     PropModeReplace, (unsigned char *) prop, i);
 479
 480     p_delete(&prop);
 481 }
 482
 483 void
 484 client_unban(Client *c)
 485 {
 486     XMapWindow(c->display, c->win);
 487     window_setstate(c->display, c->win, NormalState);
 488 }
 489
 490 void
 491 client_unmanage(Client *c, long state, awesome_config *awesomeconf)
 492 {
 493     XWindowChanges wc;
 494     int tag;
 495
 496     client_untab(c);
 497     wc.border_width = c->oldborder;
 498     /* The server grab construct avoids race conditions. */
 499     XGrabServer(c->display);
 500     XConfigureWindow(c->display, c->win, CWBorderWidth, &wc);  /* restore border */
 501     client_detach(awesomeconf->clients, c);
 502     if(get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel == c)
 503         focus(NULL, True, awesomeconf);
 504     for(tag = 0; tag < awesomeconf->ntags; tag++)
 505         if(awesomeconf->tags[tag].client_sel == c)
 506             awesomeconf->tags[tag].client_sel = NULL;
 507     XUngrabButton(c->display, AnyButton, AnyModifier, c->win);
 508     window_setstate(c->display, c->win, state);
 509     XSync(c->display, False);
 510     XSetErrorHandler(xerror);
 511     XUngrabServer(c->display);
 512     if(state != NormalState)
 513         arrange(awesomeconf);
 514     p_delete(&c->tags);
 515     p_delete(&c);
 516 }
 517
 518 void
 519 updatesizehints(Client *c)
 520 {
 521     long msize;
 522     XSizeHints size;
 523
 524     if(!XGetWMNormalHints(c->display, c->win, &size, &msize) || !size.flags)
 525         size.flags = PSize;
 526     c->flags = size.flags;
 527     if(c->flags & PBaseSize)
 528     {
 529         c->basew = size.base_width;
 530         c->baseh = size.base_height;
 531     }
 532     else if(c->flags & PMinSize)
 533     {
 534         c->basew = size.min_width;
 535         c->baseh = size.min_height;
 536     }
 537     else
 538         c->basew = c->baseh = 0;
 539     if(c->flags & PResizeInc)
 540     {
 541         c->incw = size.width_inc;
 542         c->inch = size.height_inc;
 543     }
 544     else
 545         c->incw = c->inch = 0;
 546
 547     if(c->flags & PMaxSize)
 548     {
 549         c->maxw = size.max_width;
 550         c->maxh = size.max_height;
 551     }
 552     else
 553         c->maxw = c->maxh = 0;
 554
 555     if(c->flags & PMinSize)
 556     {
 557         c->minw = size.min_width;
 558         c->minh = size.min_height;
 559     }
 560     else if(c->flags & PBaseSize)
 561     {
 562         c->minw = size.base_width;
 563         c->minh = size.base_height;
 564     }
 565     else
 566         c->minw = c->minh = 0;
 567
 568     if(c->flags & PAspect)
 569     {
 570         c->minax = size.min_aspect.x;
 571         c->maxax = size.max_aspect.x;
 572         c->minay = size.min_aspect.y;
 573         c->maxay = size.max_aspect.y;
 574     }
 575     else
 576         c->minax = c->maxax = c->minay = c->maxay = 0;
 577
 578     c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
 579                   && c->maxw == c->minw && c->maxh == c->minh);
 580 }
 581
 582 /** Set selected client transparency
 583  * \param awesomeconf awesome config
 584  * \param arg unused arg
 585  * \ingroup ui_callback
 586  */
 587 void
 588 uicb_settrans(awesome_config *awesomeconf,
 589               const char *arg)
 590 {
 591     double delta = 100.0, current_opacity = 100.0;
 592     unsigned char *data;
 593     Atom actual;
 594     int format;
 595     unsigned long n, left;
 596     unsigned int current_opacity_raw = 0;
 597     int set_prop = 0;
 598     Client *sel = get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel;
 599
 600     if(!sel)
 601         return;
 602
 603     XGetWindowProperty(awesomeconf->display, sel->win,
 604                        XInternAtom(sel->display, "_NET_WM_WINDOW_OPACITY", False),
 605                        0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left,
 606                        (unsigned char **) &data);
 607     if(data)
 608     {
 609         memcpy(&current_opacity_raw, data, sizeof(unsigned int));
 610         XFree(data);
 611         current_opacity = (current_opacity_raw * 100.0) / 0xffffffff;
 612     }
 613     else
 614         set_prop = 1;
 615
 616     delta = compute_new_value_from_arg(arg, current_opacity);
 617
 618     if(delta <= 0.0)
 619         delta = 0.0;
 620     else if(delta > 100.0)
 621     {
 622         delta = 100.0;
 623         set_prop = 1;
 624     }
 625
 626     if(delta == 100.0 && !set_prop)
 627         window_settrans(sel->display, sel->win, -1);
 628     else
 629         window_settrans(sel->display, sel->win, delta);
 630 }
 631
 632
 633 /** Set borrder size
 634  * \param awesomeconf awesome config
 635  * \param arg X, +X or -X
 636  * \ingroup ui_callback
 637  */
 638 void
 639 uicb_setborder(awesome_config *awesomeconf,
 640                const char *arg)
 641 {
 642     if(!arg)
 643         return;
 644
 645     if((awesomeconf->borderpx = (int) compute_new_value_from_arg(arg, (double) awesomeconf->borderpx)) < 0)
 646         awesomeconf->borderpx = 0;
 647 }
 648
 649 void
 650 uicb_swapnext(awesome_config *awesomeconf,
 651               const char *arg __attribute__ ((unused)))
 652 {
 653     Client *next, *sel = get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel;
 654
 655     if(!sel)
 656         return;
 657
 658     for(next = sel->next; next && !isvisible(next, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); next = next->next);
 659     if(next)
 660     {
 661         client_swap(awesomeconf->clients, sel, next);
 662         arrange(awesomeconf);
 663         /* restore focus */
 664         focus(sel, True, awesomeconf);
 665     }
 666 }
 667
 668 void
 669 uicb_swapprev(awesome_config *awesomeconf,
 670               const char *arg __attribute__ ((unused)))
 671 {
 672     Client *prev, *sel = get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel;
 673
 674     if(!sel)
 675         return;
 676
 677     for(prev = sel->prev; prev && !isvisible(prev, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); prev = prev->prev);
 678     if(prev)
 679     {
 680         client_swap(awesomeconf->clients, prev, sel);
 681         arrange(awesomeconf);
 682         /* restore focus */
 683         focus(sel, True, awesomeconf);
 684     }
 685 }
 686
 687 void
 688 uicb_moveresize(awesome_config *awesomeconf,
 689                 const char *arg)
 690 {
 691     int nx, ny, nw, nh, ox, oy, ow, oh;
 692     char x[8], y[8], w[8], h[8];
 693     int mx, my, dx, dy, nmx, nmy;
 694     unsigned int dui;
 695     Window dummy;
 696     Client *sel = get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel;
 697
 698     if(get_current_layout(awesomeconf->tags, awesomeconf->ntags)->arrange != layout_floating)
 699         if(!sel || !sel->isfloating || sel->isfixed || !arg)
 700             return;
 701     if(sscanf(arg, "%s %s %s %s", x, y, w, h) != 4)
 702         return;
 703     nx = (int) compute_new_value_from_arg(x, sel->x);
 704     ny = (int) compute_new_value_from_arg(y, sel->y);
 705     nw = (int) compute_new_value_from_arg(w, sel->w);
 706     nh = (int) compute_new_value_from_arg(h, sel->h);
 707
 708     ox = sel->x;
 709     oy = sel->y;
 710     ow = sel->w;
 711     oh = sel->h;
 712
 713     Bool xqp = XQueryPointer(awesomeconf->display, RootWindow(awesomeconf->display, awesomeconf->phys_screen), &dummy, &dummy, &mx, &my, &dx, &dy, &dui);
 714     client_resize(sel, nx, ny, nw, nh, awesomeconf, True, False);
 715     if (xqp && ox <= mx && (ox + ow) >= mx && oy <= my && (oy + oh) >= my)
 716     {
 717         nmx = mx - ox + sel->w - ow - 1 < 0 ? 0 : mx - ox + sel->w - ow - 1;
 718         nmy = my - oy + sel->h - oh - 1 < 0 ? 0 : my - oy + sel->h - oh - 1;
 719         XWarpPointer(awesomeconf->display, None, sel->win, 0, 0, 0, 0, nmx, nmy);
 720     }
 721 }
 722
 723 /** Kill selected client
 724  * \param awesomeconf awesome config
 725  * \param arg unused
 726  * \ingroup ui_callback
 727  */
 728 void
 729 uicb_killclient(awesome_config *awesomeconf,
 730                 const char *arg __attribute__ ((unused)))
 731 {
 732     XEvent ev;
 733     Client *sel = get_current_tag(awesomeconf->tags, awesomeconf->ntags)->client_sel;
 734
 735     if(!sel)
 736         return;
 737     if(isprotodel(sel->display, sel->win))
 738     {
 739         ev.type = ClientMessage;
 740         ev.xclient.window = sel->win;
 741         ev.xclient.message_type = XInternAtom(awesomeconf->display, "WM_PROTOCOLS", False);
 742         ev.xclient.format = 32;
 743         ev.xclient.data.l[0] = XInternAtom(awesomeconf->display, "WM_DELETE_WINDOW", False);
 744         ev.xclient.data.l[1] = CurrentTime;
 745         XSendEvent(awesomeconf->display, sel->win, False, NoEventMask, &ev);
 746     }
 747     else
 748         XKillClient(awesomeconf->display, sel->win);
 749 }
 750 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99