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/Xutil.h>
  25 #include <X11/extensions/shape.h>
  26
  27 #include "screen.h"
  28 #include "awesome.h"
  29 #include "layout.h"
  30 #include "tag.h"
  31 #include "util.h"
  32 #include "statusbar.h"
  33
  34 #include "layouts/floating.h"
  35
  36 /* extern */
  37 extern Client *clients, *sel, *stack;   /* global client list and stack */
  38
  39 /** Attach client stack to clients stacks
  40  * \param c the client
  41  */
  42 static inline void
  43 attachstack(Client * c)
  44 {
  45     c->snext = stack;
  46     stack = c;
  47 }
  48
  49 /** Detach client from stack
  50  * \param c the client
  51  */
  52 static inline void
  53 detachstack(Client * c)
  54 {
  55     Client **tc;
  56
  57     for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);
  58     *tc = c->snext;
  59 }
  60
  61 /** Grab or ungrab buttons when a client is focused
  62  * \param c client
  63  * \param focused True if client is focused
  64  * \param modkey Mod key mask
  65  * \param numlockmask Numlock mask
  66  */
  67 static void
  68 grabbuttons(Client * c, Bool focused, KeySym modkey, unsigned int numlockmask)
  69 {
  70     XUngrabButton(c->display, AnyButton, AnyModifier, c->win);
  71
  72     if(focused)
  73     {
  74         XGrabButton(c->display, Button1, modkey, c->win, False, BUTTONMASK,
  75                     GrabModeAsync, GrabModeSync, None, None);
  76         XGrabButton(c->display, Button1, modkey | LockMask, c->win, False,
  77                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  78         XGrabButton(c->display, Button1, modkey | numlockmask, c->win, False,
  79                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  80         XGrabButton(c->display, Button1, modkey | numlockmask | LockMask,
  81                     c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  82
  83         XGrabButton(c->display, Button2, modkey, c->win, False, BUTTONMASK,
  84                     GrabModeAsync, GrabModeSync, None, None);
  85         XGrabButton(c->display, Button2, modkey | LockMask, c->win, False,
  86                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  87         XGrabButton(c->display, Button2, modkey | numlockmask, c->win, False,
  88                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  89         XGrabButton(c->display, Button2, modkey | numlockmask | LockMask,
  90                     c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  91
  92         XGrabButton(c->display, Button3, modkey, c->win, False, BUTTONMASK,
  93                     GrabModeAsync, GrabModeSync, None, None);
  94         XGrabButton(c->display, Button3, modkey | LockMask, c->win, False,
  95                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  96         XGrabButton(c->display, Button3, modkey | numlockmask, c->win, False,
  97                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
  98         XGrabButton(c->display, Button3, modkey | numlockmask | LockMask,
  99                     c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 100
 101         XUngrabButton(c->display, AnyButton, AnyModifier, RootWindow(c->display, c->phys_screen));
 102     }
 103     else
 104     {
 105         XGrabButton(c->display, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
 106                     GrabModeAsync, GrabModeSync, None, None);
 107         XGrabButton(c->display, Button4, NoSymbol, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 108                     GrabModeAsync, GrabModeSync, None, None);
 109         XGrabButton(c->display, Button4, LockMask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 110                     GrabModeAsync, GrabModeSync, None, None);
 111         XGrabButton(c->display, Button4, numlockmask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 112                     GrabModeAsync, GrabModeSync, None, None);
 113         XGrabButton(c->display, Button4, numlockmask | LockMask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 114                     GrabModeAsync, GrabModeSync, None, None);
 115
 116         XGrabButton(c->display, Button5, NoSymbol, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 117                     GrabModeAsync, GrabModeSync, None, None);
 118         XGrabButton(c->display, Button5, LockMask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 119                     GrabModeAsync, GrabModeSync, None, None);
 120         XGrabButton(c->display, Button5, numlockmask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 121                     GrabModeAsync, GrabModeSync, None, None);
 122         XGrabButton(c->display, Button5, numlockmask | LockMask, RootWindow(c->display, c->phys_screen), False, BUTTONMASK,
 123                     GrabModeAsync, GrabModeSync, None, None);
 124
 125     }
 126 }
 127
 128 /** Check if client supports protocol WM_DELETE_WINDOW
 129  * \param c the client
 130  * \return True if client has WM_DELETE_WINDOW
 131  */
 132 static Bool
 133 isprotodel(Client * c)
 134 {
 135     int i, n;
 136     Atom *protocols;
 137     Bool ret = False;
 138
 139     if(XGetWMProtocols(c->display, c->win, &protocols, &n))
 140     {
 141         for(i = 0; !ret && i < n; i++)
 142             if(protocols[i] == XInternAtom(c->display, "WM_DELETE_WINDOW", False))
 143                 ret = True;
 144         XFree(protocols);
 145     }
 146     return ret;
 147 }
 148
 149 /** Set client WM_STATE property
 150  * \param c the client
 151  * \param state no idea
 152  */
 153 static void
 154 setclientstate(Client * c, long state)
 155 {
 156     long data[] = { state, None };
 157
 158     XChangeProperty(c->display, c->win, XInternAtom(c->display, "WM_STATE", False),
 159                     XInternAtom(c->display, "WM_STATE", False),  32,
 160                     PropModeReplace, (unsigned char *) data, 2);
 161 }
 162
 163 /** Set client transparency using composite
 164  * \param c client
 165  * \param opacity opacity percentage
 166  */
 167 static void
 168 setclienttrans(Client *c, double opacity)
 169 {
 170     unsigned int real_opacity = 0xffffffff;
 171
 172     if(opacity >= 0 && opacity <= 100)
 173     {
 174         real_opacity = ((opacity / 100.0) * 0xffffffff);
 175         XChangeProperty(c->display, c->win,
 176                         XInternAtom(c->display, "_NET_WM_WINDOW_OPACITY", False),
 177                         XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &real_opacity, 1L);
 178     }
 179     else
 180         XDeleteProperty(c->display, c->win, XInternAtom(c->display, "_NET_WM_WINDOW_OPACITY", False));
 181
 182     XSync(c->display, False);
 183 }
 184
 185 /** Swap two client in the linked list clients
 186  * \param c1 first client
 187  * \param c2 second client
 188  */
 189 static void
 190 client_swap(Client *c1, Client *c2)
 191 {
 192     Client *tmp;
 193
 194     tmp = c1->next;
 195     c1->next = c2->next;
 196     c2->next = (tmp == c2 ? c1 : tmp);
 197
 198     tmp = c2->prev;
 199     c2->prev = c1->prev;
 200     c1->prev = (tmp == c1 ? c2 : tmp );
 201
 202     if(c1->next)
 203         c1->next->prev = c1;
 204
 205     if(c1->prev)
 206         c1->prev->next = c1;
 207
 208     if(c2->next)
 209         c2->next->prev = c2;
 210
 211     if(c2->prev)
 212         c2->prev->next = c2;
 213
 214     if(clients == c1)
 215         clients = c2;
 216 }
 217
 218 /** Attach client to the beginning of the clients stack
 219  * \param c the client
 220  */
 221 void
 222 attach(Client * c)
 223 {
 224     if(clients)
 225         clients->prev = c;
 226     c->next = clients;
 227     clients = c;
 228 }
 229
 230 void
 231 updatetitle(Client * c)
 232 {
 233     if(!xgettextprop(c->display, c->win, XInternAtom(c->display, "_NET_WM_NAME", False), c->name, sizeof c->name))
 234         xgettextprop(c->display, c->win, XInternAtom(c->display, "WM_NAME", False), c->name, sizeof c->name);
 235 }
 236
 237 /** Ban client and unmapped it
 238  * \param c the client
 239  */
 240 void
 241 ban(Client * c)
 242 {
 243     XUnmapWindow(c->display, c->win);
 244     setclientstate(c, IconicState);
 245     c->isbanned = True;
 246     c->unmapped = True;
 247 }
 248
 249 /** Configure client
 250  * \param c the client
 251  */
 252 void
 253 configure(Client * c)
 254 {
 255     XConfigureEvent ce;
 256
 257     ce.type = ConfigureNotify;
 258     ce.display = c->display;
 259     ce.event = c->win;
 260     ce.window = c->win;
 261     ce.x = c->x;
 262     ce.y = c->y;
 263     ce.width = c->w;
 264     ce.height = c->h;
 265     ce.border_width = c->border;
 266     ce.above = None;
 267     ce.override_redirect = False;
 268     XSendEvent(c->display, c->win, False, StructureNotifyMask, (XEvent *) & ce);
 269 }
 270
 271 /** Detach client from clients list
 272  * \param c client to detach
 273  */
 274 void
 275 detach(Client * c)
 276 {
 277     if(c->prev)
 278         c->prev->next = c->next;
 279     if(c->next)
 280         c->next->prev = c->prev;
 281     if(c == clients)
 282         clients = c->next;
 283     c->next = c->prev = NULL;
 284 }
 285
 286 /** Give focus to client, or to first client if c is NULL
 287  * \param disp Display ref
 288  * \param drawcontext drawcontext ref
 289  * \param c client
 290  * \param selscreen True if current screen is selected
 291  * \param awesomeconf awesome config
 292  */
 293 void
 294 focus(Display *disp, DC *drawcontext, Client * c, Bool selscreen, awesome_config *awesomeconf)
 295 {
 296     /* if c is NULL or invisible, take next client in the stack */
 297     if((!c && selscreen) || (c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags)))
 298         for(c = stack; c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); c = c->snext);
 299
 300     /* if a client was selected but it's not the current client, unfocus it */
 301     if(sel && sel != c)
 302     {
 303         grabbuttons(sel, False, awesomeconf->modkey, awesomeconf->numlockmask);
 304         XSetWindowBorder(sel->display, sel->win, drawcontext->norm[ColBorder]);
 305         setclienttrans(sel, awesomeconf->opacity_unfocused);
 306     }
 307     if(c)
 308     {
 309         detachstack(c);
 310         attachstack(c);
 311         grabbuttons(c, True, awesomeconf->modkey, awesomeconf->numlockmask);
 312     }
 313     if(!selscreen)
 314         return;
 315     sel = c;
 316     drawstatusbar(disp, drawcontext, awesomeconf);
 317     if(sel)
 318     {
 319         XSetWindowBorder(sel->display, sel->win, drawcontext->sel[ColBorder]);
 320         XSetInputFocus(sel->display, sel->win, RevertToPointerRoot, CurrentTime);
 321         for(c = stack; c; c = c->snext)
 322             if(c != sel)
 323                 setclienttrans(c, awesomeconf->opacity_unfocused);
 324         setclienttrans(sel, -1);
 325     }
 326     else
 327         XSetInputFocus(disp, RootWindow(disp, awesomeconf->screen), RevertToPointerRoot, CurrentTime);
 328 }
 329
 330
 331 /** Load windows properties, restoring client's tag
 332  * and floating state before awesome was restarted if any
 333  * \todo this may bug if number of tags is != than before
 334  * \param c Client ref
 335  * \param ntags tags number
 336  */
 337 static Bool
 338 loadprops(Client * c, int ntags)
 339 {
 340     int i;
 341     char *prop;
 342     Bool result = False;
 343
 344     prop = p_new(char, ntags + 2);
 345
 346     if(xgettextprop(c->display, c->win, AWESOMEPROPS_ATOM(c->display), prop, ntags + 2))
 347     {
 348         for(i = 0; i < ntags && prop[i]; i++)
 349             if((c->tags[i] = prop[i] == '1'))
 350                 result = True;
 351         if(i <= ntags && prop[i])
 352             c->isfloating = prop[i] == '1';
 353     }
 354
 355     p_delete(&prop);
 356
 357     return result;
 358 }
 359
 360 /** Manage a new client
 361  * \param disp Display ref
 362  * \param drawcontext Drawcontext ref
 363  * \param w The window
 364  * \param wa Window attributes
 365  * \param awesomeconf awesome config
 366  */
 367 void
 368 manage(Display *disp, DC *drawcontext, Window w, XWindowAttributes *wa, awesome_config *awesomeconf)
 369 {
 370     int i;
 371     Client *c, *t = NULL;
 372     Window trans;
 373     Status rettrans;
 374     XWindowChanges wc;
 375     ScreenInfo *si = get_display_info(disp, awesomeconf->screen, NULL);
 376     ScreenInfo *screen_info;
 377
 378     c = p_new(Client, 1);
 379     c->win = w;
 380     c->ftview = True;
 381     c->x = c->rw = wa->x;
 382     c->y = c->ry = wa->y;
 383     c->w = c->rw = wa->width;
 384     c->h = c->rh = wa->height;
 385     c->oldborder = wa->border_width;
 386     c->display = disp;
 387     c->phys_screen = get_phys_screen(c->display, c->screen);
 388     screen_info = get_screen_info(c->display, c->screen, NULL);
 389     if(c->w == screen_info[c->screen].width && c->h == screen_info[c->screen].height)
 390     {
 391         c->x = 0;
 392         c->y = 0;
 393         c->border = wa->border_width;
 394     }
 395     else
 396     {
 397         if(c->x + c->w + 2 * c->border > si->x_org + si->width)
 398             c->x = c->rx = si->x_org + si->width - c->w - 2 * c->border;
 399         if(c->y + c->h + 2 * c->border > si->y_org + si->height)
 400             c->y = c->ry = si->y_org + si->height - c->h - 2 * c->border;
 401         if(c->x < si->x_org)
 402             c->x = c->rx = si->x_org;
 403         if(c->y < si->y_org)
 404             c->y = c->ry = si->y_org;
 405         c->border = awesomeconf->borderpx;
 406     }
 407     XFree(si);
 408     wc.border_width = c->border;
 409     XConfigureWindow(disp, w, CWBorderWidth, &wc);
 410     XSetWindowBorder(disp, w, drawcontext->norm[ColBorder]);
 411     configure(c);               /* propagates border_width, if size doesn't change */
 412     updatesizehints(c);
 413     XSelectInput(disp, w, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 414     if(awesomeconf->have_shape)
 415     {
 416         XShapeSelectInput(disp, w, ShapeNotifyMask);
 417         set_shape(c);
 418     }
 419     grabbuttons(c, False, awesomeconf->modkey, awesomeconf->numlockmask);
 420     updatetitle(c);
 421     move_client_to_screen(c, awesomeconf, False);
 422     if((rettrans = XGetTransientForHint(disp, w, &trans) == Success))
 423         for(t = clients; t && t->win != trans; t = t->next);
 424     if(t)
 425         for(i = 0; i < awesomeconf->ntags; i++)
 426             c->tags[i] = t->tags[i];
 427     if(!loadprops(c, awesomeconf->ntags))
 428         applyrules(c, awesomeconf);
 429     if(!c->isfloating)
 430         c->isfloating = (rettrans == Success) || c->isfixed;
 431     saveprops(c, awesomeconf->ntags);
 432     attach(c);
 433     attachstack(c);
 434     XMoveResizeWindow(disp, c->win, c->x, c->y, c->w, c->h);     /* some windows require this */
 435     c->isbanned = True;
 436     arrange(disp, drawcontext, awesomeconf);
 437 }
 438
 439 void
 440 resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf, Bool sizehints)
 441 {
 442     double dx, dy, max, min, ratio;
 443     XWindowChanges wc;
 444     ScreenInfo *si;
 445
 446     if(sizehints)
 447     {
 448         if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0)
 449         {
 450             dx = (double) (w - c->basew);
 451             dy = (double) (h - c->baseh);
 452             min = (double) (c->minax) / (double) (c->minay);
 453             max = (double) (c->maxax) / (double) (c->maxay);
 454             ratio = dx / dy;
 455             if(max > 0 && min > 0 && ratio > 0)
 456             {
 457                 if(ratio < min)
 458                 {
 459                     dy = (dx * min + dy) / (min * min + 1);
 460                     dx = dy * min;
 461                     w = (int) dx + c->basew;
 462                     h = (int) dy + c->baseh;
 463                 }
 464                 else if(ratio > max)
 465                 {
 466                     dy = (dx * min + dy) / (max * max + 1);
 467                     dx = dy * min;
 468                     w = (int) dx + c->basew;
 469                     h = (int) dy + c->baseh;
 470                 }
 471             }
 472         }
 473         if(c->minw && w < c->minw)
 474             w = c->minw;
 475         if(c->minh && h < c->minh)
 476             h = c->minh;
 477         if(c->maxw && w > c->maxw)
 478             w = c->maxw;
 479         if(c->maxh && h > c->maxh)
 480             h = c->maxh;
 481         if(c->incw)
 482             w -= (w - c->basew) % c->incw;
 483         if(c->inch)
 484             h -= (h - c->baseh) % c->inch;
 485     }
 486     if(w <= 0 || h <= 0)
 487         return;
 488     /* offscreen appearance fixes */
 489     si = get_display_info(c->display, c->phys_screen, NULL);
 490     if(x > si->width)
 491         x = si->width - w - 2 * c->border;
 492     if(y > si->height)
 493         y = si->height - h - 2 * c->border;
 494     XFree(si);
 495     if(x + w + 2 * c->border < 0)
 496         x = 0;
 497     if(y + h + 2 * c->border < 0)
 498         y = 0;
 499     if(c->x != x || c->y != y || c->w != w || c->h != h)
 500     {
 501         c->x = wc.x = x;
 502         c->y = wc.y = y;
 503         c->w = wc.width = w;
 504         c->h = wc.height = h;
 505         wc.border_width = c->border;
 506         XConfigureWindow(c->display, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
 507         configure(c);
 508         XSync(c->display, False);
 509         if(XineramaIsActive(c->display))
 510         {
 511             int new_screen = get_screen_bycoord(c->display, c->x, c->y);
 512             if(c->screen != new_screen)
 513                 move_client_to_screen(c, &awesomeconf[new_screen - awesomeconf->screen], False);
 514         }
 515     }
 516 }
 517
 518 void
 519 saveprops(Client * c, int ntags)
 520 {
 521     int i;
 522     char *prop;
 523
 524     prop = p_new(char, ntags + 2);
 525
 526     for(i = 0; i < ntags; i++)
 527         prop[i] = c->tags[i] ? '1' : '0';
 528
 529     if(i <= ntags)
 530         prop[i] = c->isfloating ? '1' : '0';
 531
 532     prop[++i] = '\0';
 533
 534     XChangeProperty(c->display, c->win, AWESOMEPROPS_ATOM(c->display), XA_STRING, 8,
 535                     PropModeReplace, (unsigned char *) prop, i);
 536
 537     p_delete(&prop);
 538 }
 539
 540 void
 541 unban(Client * c)
 542 {
 543     XMapWindow(c->display, c->win);
 544     setclientstate(c, NormalState);
 545     c->isbanned = False;
 546     c->unmapped = False;
 547 }
 548
 549 void
 550 unmanage(Client * c, DC *drawcontext, long state, awesome_config *awesomeconf)
 551 {
 552     XWindowChanges wc;
 553
 554     c->unmapped = True;
 555     wc.border_width = c->oldborder;
 556     /* The server grab construct avoids race conditions. */
 557     XGrabServer(c->display);
 558     XConfigureWindow(c->display, c->win, CWBorderWidth, &wc);  /* restore border */
 559     detach(c);
 560     detachstack(c);
 561     if(sel == c)
 562         focus(c->display, drawcontext, NULL, True, awesomeconf);
 563     XUngrabButton(c->display, AnyButton, AnyModifier, c->win);
 564     setclientstate(c, state);
 565     XSync(c->display, False);
 566     XSetErrorHandler(xerror);
 567     XUngrabServer(c->display);
 568     if(state != NormalState)
 569         arrange(c->display, drawcontext, awesomeconf);
 570     p_delete(&c->tags);
 571     p_delete(&c);
 572 }
 573
 574 void
 575 updatesizehints(Client * c)
 576 {
 577     long msize;
 578     XSizeHints size;
 579
 580     if(!XGetWMNormalHints(c->display, c->win, &size, &msize) || !size.flags)
 581         size.flags = PSize;
 582     c->flags = size.flags;
 583     if(c->flags & PBaseSize)
 584     {
 585         c->basew = size.base_width;
 586         c->baseh = size.base_height;
 587     }
 588     else if(c->flags & PMinSize)
 589     {
 590         c->basew = size.min_width;
 591         c->baseh = size.min_height;
 592     }
 593     else
 594         c->basew = c->baseh = 0;
 595     if(c->flags & PResizeInc)
 596     {
 597         c->incw = size.width_inc;
 598         c->inch = size.height_inc;
 599     }
 600     else
 601         c->incw = c->inch = 0;
 602
 603     if(c->flags & PMaxSize)
 604     {
 605         c->maxw = size.max_width;
 606         c->maxh = size.max_height;
 607     }
 608     else
 609         c->maxw = c->maxh = 0;
 610
 611     if(c->flags & PMinSize)
 612     {
 613         c->minw = size.min_width;
 614         c->minh = size.min_height;
 615     }
 616     else if(c->flags & PBaseSize)
 617     {
 618         c->minw = size.base_width;
 619         c->minh = size.base_height;
 620     }
 621     else
 622         c->minw = c->minh = 0;
 623
 624     if(c->flags & PAspect)
 625     {
 626         c->minax = size.min_aspect.x;
 627         c->maxax = size.max_aspect.x;
 628         c->minay = size.min_aspect.y;
 629         c->maxay = size.max_aspect.y;
 630     }
 631     else
 632         c->minax = c->maxax = c->minay = c->maxay = 0;
 633
 634     c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
 635                   && c->maxw == c->minw && c->maxh == c->minh);
 636 }
 637
 638 void
 639 set_shape(Client *c)
 640 {
 641     int bounding_shaped;
 642     int i, b;  unsigned int u;  /* dummies */
 643     /* Logic to decide if we have a shaped window cribbed from fvwm-2.5.10. */
 644     if (XShapeQueryExtents(c->display, c->win, &bounding_shaped, &i, &i,
 645                            &u, &u, &b, &i, &i, &u, &u) && bounding_shaped)
 646         XShapeCombineShape(c->display, RootWindow(c->display, c->screen), ShapeBounding, 0, 0, c->win, ShapeBounding, ShapeSet);
 647 }
 648
 649 /** Set selected client transparency
 650  * \param disp Display ref
 651  * \param drawcontext Drawcontext ref
 652  * \param awesomeconf awesome config
 653  * \param arg unused arg
 654  * \ingroup ui_callback
 655  */
 656 void
 657 uicb_settrans(Display *disp __attribute__ ((unused)),
 658               DC *drawcontext __attribute__ ((unused)),
 659               awesome_config *awesomeconf __attribute__ ((unused)),
 660               const char *arg)
 661 {
 662     double delta = 100.0, current_opacity = 0.0;
 663     unsigned char *data;
 664     Atom actual;
 665     int format;
 666     unsigned long n, left;
 667     unsigned int current_opacity_raw = 0;
 668     int set_prop = 0;
 669
 670     if(!sel)
 671         return;
 672
 673     XGetWindowProperty(sel->display, sel->win, XInternAtom(sel->display, "_NET_WM_WINDOW_OPACITY", False),
 674                        0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left,
 675                        (unsigned char **) &data);
 676     if(data)
 677     {
 678         memcpy(&current_opacity_raw, data, sizeof(unsigned int));
 679         XFree(data);
 680         current_opacity = (current_opacity_raw * 100.0) / 0xffffffff;
 681     }
 682     else
 683         set_prop = 1;
 684
 685     delta = compute_new_value_from_arg(arg, current_opacity);
 686
 687     if(delta <= 0.0)
 688         delta = 0.0;
 689     else if(delta > 100.0)
 690     {
 691         delta = 100.0;
 692         set_prop = 1;
 693     }
 694
 695     if(delta == 100.0 && !set_prop)
 696         setclienttrans(sel, -1);
 697     else
 698         setclienttrans(sel, delta);
 699 }
 700
 701
 702 /** Set borrder size
 703  * \param disp Display ref
 704  * \param drawcontext Drawcontext ref
 705  * \param awesomeconf awesome config
 706  * \param arg X, +X or -X
 707  * \ingroup ui_callback
 708  */
 709 void
 710 uicb_setborder(Display *disp __attribute__ ((unused)),
 711                DC *drawcontext __attribute__ ((unused)),
 712                awesome_config *awesomeconf,
 713                const char *arg)
 714 {
 715     if(!arg)
 716         return;
 717
 718     if((awesomeconf->borderpx = (int) compute_new_value_from_arg(arg, (double) awesomeconf->borderpx)) < 0)
 719         awesomeconf->borderpx = 0;
 720 }
 721
 722 void
 723 uicb_swapnext(Display *disp,
 724               DC *drawcontext,
 725               awesome_config *awesomeconf,
 726               const char *arg __attribute__ ((unused)))
 727 {
 728     Client *next;
 729
 730     if(!sel)
 731         return;
 732
 733     for(next = sel->next; next && !isvisible(next, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); next = next->next);
 734     if(next)
 735     {
 736         client_swap(sel, next);
 737         arrange(disp, drawcontext, awesomeconf);
 738     }
 739 }
 740
 741 void
 742 uicb_swapprev(Display *disp,
 743               DC *drawcontext,
 744               awesome_config *awesomeconf,
 745               const char *arg __attribute__ ((unused)))
 746 {
 747     Client *prev;
 748
 749     if(!sel)
 750         return;
 751
 752     for(prev = sel->prev; prev && !isvisible(prev, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); prev = prev->prev);
 753     if(prev)
 754     {
 755         client_swap(prev, sel);
 756         arrange(disp, drawcontext, awesomeconf);
 757     }
 758 }
 759
 760 void
 761 uicb_moveresize(Display *disp __attribute__ ((unused)),
 762                 DC *drawcontext __attribute__ ((unused)),
 763                 awesome_config *awesomeconf,
 764                 const char *arg)
 765 {
 766     int nx, ny, nw, nh, ox, oy, ow, oh;
 767     char x[8], y[8], w[8], h[8];
 768     int mx, my, dx, dy, nmx, nmy;
 769     unsigned int dui;
 770     Window dummy;
 771
 772     if(!IS_ARRANGE(layout_floating))
 773         if(!sel || !sel->isfloating || sel->isfixed || !arg)
 774             return;
 775     if(sscanf(arg, "%s %s %s %s", x, y, w, h) != 4)
 776         return;
 777     nx = (int) compute_new_value_from_arg(x, sel->x);
 778     ny = (int) compute_new_value_from_arg(y, sel->y);
 779     nw = (int) compute_new_value_from_arg(w, sel->w);
 780     nh = (int) compute_new_value_from_arg(h, sel->h);
 781
 782     ox = sel->x;
 783     oy = sel->y;
 784     ow = sel->w;
 785     oh = sel->h;
 786
 787     Bool xqp = XQueryPointer(sel->display, RootWindow(sel->display, sel->screen), &dummy, &dummy, &mx, &my, &dx, &dy, &dui);
 788     resize(sel, nx, ny, nw, nh, awesomeconf, True);
 789     if (xqp && ox <= mx && (ox + ow) >= mx && oy <= my && (oy + oh) >= my)
 790     {
 791         nmx = mx-ox+sel->w-ow-1 < 0 ? 0 : mx-ox+sel->w-ow-1;
 792         nmy = my-oy+sel->h-oh-1 < 0 ? 0 : my-oy+sel->h-oh-1;
 793         XWarpPointer(sel->display, None, sel->win, 0, 0, 0, 0, nmx, nmy);
 794     }
 795 }
 796
 797 /** Kill selected client
 798  * \param disp Display ref
 799  * \param drawcontext Drawcontext ref
 800  * \param awesomeconf awesome config
 801  * \param arg unused
 802  * \ingroup ui_callback
 803  */
 804 void
 805 uicb_killclient(Display *disp __attribute__ ((unused)),
 806                 DC *drawcontext __attribute__ ((unused)),
 807                 awesome_config *awesomeconf __attribute__ ((unused)),
 808                 const char *arg __attribute__ ((unused)))
 809 {
 810     XEvent ev;
 811
 812     if(!sel)
 813         return;
 814     if(isprotodel(sel))
 815     {
 816         ev.type = ClientMessage;
 817         ev.xclient.window = sel->win;
 818         ev.xclient.message_type = XInternAtom(disp, "WM_PROTOCOLS", False);
 819         ev.xclient.format = 32;
 820         ev.xclient.data.l[0] = XInternAtom(disp, "WM_DELETE_WINDOW", False);
 821         ev.xclient.data.l[1] = CurrentTime;
 822         XSendEvent(sel->display, sel->win, False, NoEventMask, &ev);
 823     }
 824     else
 825         XKillClient(sel->display, sel->win);
 826 }