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 void
 272 detach(Client * c)
 273 {
 274     if(c->prev)
 275         c->prev->next = c->next;
 276     if(c->next)
 277         c->next->prev = c->prev;
 278     if(c == clients)
 279         clients = c->next;
 280     c->next = c->prev = NULL;
 281 }
 282
 283 /** Give focus to client, or to first client if c is NULL
 284  * \param disp Display ref
 285  * \param drawcontext drawcontext ref
 286  * \param c client
 287  * \param selscreen True if current screen is selected
 288  * \param awesomeconf awesome config
 289  */
 290 void
 291 focus(Display *disp, DC *drawcontext, Client * c, Bool selscreen, awesome_config *awesomeconf)
 292 {
 293     /* if c is NULL or invisible, take next client in the stack */
 294     if((!c && selscreen) || (c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags)))
 295         for(c = stack; c && !isvisible(c, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); c = c->snext);
 296
 297     /* if a client was selected but it's not the current client, unfocus it */
 298     if(sel && sel != c)
 299     {
 300         grabbuttons(sel, False, awesomeconf->modkey, awesomeconf->numlockmask);
 301         XSetWindowBorder(sel->display, sel->win, drawcontext->norm[ColBorder]);
 302         setclienttrans(sel, awesomeconf->opacity_unfocused);
 303     }
 304     if(c)
 305     {
 306         detachstack(c);
 307         attachstack(c);
 308         grabbuttons(c, True, awesomeconf->modkey, awesomeconf->numlockmask);
 309     }
 310     if(!selscreen)
 311         return;
 312     sel = c;
 313     drawstatusbar(disp, drawcontext, awesomeconf);
 314     if(sel)
 315     {
 316         XSetWindowBorder(sel->display, sel->win, drawcontext->sel[ColBorder]);
 317         XSetInputFocus(sel->display, sel->win, RevertToPointerRoot, CurrentTime);
 318         for(c = stack; c; c = c->snext)
 319             if(c != sel)
 320                 setclienttrans(c, awesomeconf->opacity_unfocused);
 321         setclienttrans(sel, -1);
 322     }
 323     else
 324         XSetInputFocus(disp, RootWindow(disp, awesomeconf->screen), RevertToPointerRoot, CurrentTime);
 325 }
 326
 327
 328 /** Load windows properties, restoring client's tag
 329  * and floating state before awesome was restarted if any
 330  * \todo this may bug if number of tags is != than before
 331  * \param c Client ref
 332  * \param ntags tags number
 333  */
 334 static Bool
 335 loadprops(Client * c, int ntags)
 336 {
 337     int i;
 338     char *prop;
 339     Bool result = False;
 340
 341     prop = p_new(char, ntags + 2);
 342
 343     if(xgettextprop(c->display, c->win, AWESOMEPROPS_ATOM(c->display), prop, ntags + 2))
 344     {
 345         for(i = 0; i < ntags && prop[i]; i++)
 346             if((c->tags[i] = prop[i] == '1'))
 347                 result = True;
 348         if(i <= ntags && prop[i])
 349             c->isfloating = prop[i] == '1';
 350     }
 351
 352     p_delete(&prop);
 353
 354     return result;
 355 }
 356
 357 /** Manage a new client
 358  * \param disp Display ref
 359  * \param drawcontext Drawcontext ref
 360  * \param w The window
 361  * \param wa Window attributes
 362  * \param awesomeconf awesome config
 363  */
 364 void
 365 manage(Display *disp, DC *drawcontext, Window w, XWindowAttributes *wa, awesome_config *awesomeconf)
 366 {
 367     int i;
 368     Client *c, *t = NULL;
 369     Window trans;
 370     Status rettrans;
 371     XWindowChanges wc;
 372     ScreenInfo *si = get_display_info(disp, awesomeconf->screen, NULL);
 373     ScreenInfo *screen_info;
 374
 375     c = p_new(Client, 1);
 376     c->win = w;
 377     c->ftview = True;
 378     c->x = c->rw = wa->x;
 379     c->y = c->ry = wa->y;
 380     c->w = c->rw = wa->width;
 381     c->h = c->rh = wa->height;
 382     c->oldborder = wa->border_width;
 383     c->display = disp;
 384     c->phys_screen = get_phys_screen(c->display, c->screen);
 385     screen_info = get_screen_info(c->display, c->screen, NULL);
 386     if(c->w == screen_info[c->screen].width && c->h == screen_info[c->screen].height)
 387     {
 388         c->x = 0;
 389         c->y = 0;
 390         c->border = wa->border_width;
 391     }
 392     else
 393     {
 394         if(c->x + c->w + 2 * c->border > si->x_org + si->width)
 395             c->x = c->rx = si->x_org + si->width - c->w - 2 * c->border;
 396         if(c->y + c->h + 2 * c->border > si->y_org + si->height)
 397             c->y = c->ry = si->y_org + si->height - c->h - 2 * c->border;
 398         if(c->x < si->x_org)
 399             c->x = c->rx = si->x_org;
 400         if(c->y < si->y_org)
 401             c->y = c->ry = si->y_org;
 402         c->border = awesomeconf->borderpx;
 403     }
 404     XFree(si);
 405     wc.border_width = c->border;
 406     XConfigureWindow(disp, w, CWBorderWidth, &wc);
 407     XSetWindowBorder(disp, w, drawcontext->norm[ColBorder]);
 408     configure(c);               /* propagates border_width, if size doesn't change */
 409     updatesizehints(c);
 410     XSelectInput(disp, w, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 411     if(awesomeconf->have_shape)
 412     {
 413         XShapeSelectInput(disp, w, ShapeNotifyMask);
 414         set_shape(c);
 415     }
 416     grabbuttons(c, False, awesomeconf->modkey, awesomeconf->numlockmask);
 417     updatetitle(c);
 418     move_client_to_screen(c, awesomeconf, False);
 419     if((rettrans = XGetTransientForHint(disp, w, &trans) == Success))
 420         for(t = clients; t && t->win != trans; t = t->next);
 421     if(t)
 422         for(i = 0; i < awesomeconf->ntags; i++)
 423             c->tags[i] = t->tags[i];
 424     if(!loadprops(c, awesomeconf->ntags))
 425         applyrules(c, awesomeconf);
 426     if(!c->isfloating)
 427         c->isfloating = (rettrans == Success) || c->isfixed;
 428     saveprops(c, awesomeconf->ntags);
 429     attach(c);
 430     attachstack(c);
 431     XMoveResizeWindow(disp, c->win, c->x, c->y, c->w, c->h);     /* some windows require this */
 432     c->isbanned = True;
 433     arrange(disp, drawcontext, awesomeconf);
 434 }
 435
 436 void
 437 resize(Client *c, int x, int y, int w, int h, awesome_config *awesomeconf, Bool sizehints)
 438 {
 439     double dx, dy, max, min, ratio;
 440     XWindowChanges wc;
 441     ScreenInfo *si;
 442
 443     if(sizehints)
 444     {
 445         if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0)
 446         {
 447             dx = (double) (w - c->basew);
 448             dy = (double) (h - c->baseh);
 449             min = (double) (c->minax) / (double) (c->minay);
 450             max = (double) (c->maxax) / (double) (c->maxay);
 451             ratio = dx / dy;
 452             if(max > 0 && min > 0 && ratio > 0)
 453             {
 454                 if(ratio < min)
 455                 {
 456                     dy = (dx * min + dy) / (min * min + 1);
 457                     dx = dy * min;
 458                     w = (int) dx + c->basew;
 459                     h = (int) dy + c->baseh;
 460                 }
 461                 else if(ratio > max)
 462                 {
 463                     dy = (dx * min + dy) / (max * max + 1);
 464                     dx = dy * min;
 465                     w = (int) dx + c->basew;
 466                     h = (int) dy + c->baseh;
 467                 }
 468             }
 469         }
 470         if(c->minw && w < c->minw)
 471             w = c->minw;
 472         if(c->minh && h < c->minh)
 473             h = c->minh;
 474         if(c->maxw && w > c->maxw)
 475             w = c->maxw;
 476         if(c->maxh && h > c->maxh)
 477             h = c->maxh;
 478         if(c->incw)
 479             w -= (w - c->basew) % c->incw;
 480         if(c->inch)
 481             h -= (h - c->baseh) % c->inch;
 482     }
 483     if(w <= 0 || h <= 0)
 484         return;
 485     /* offscreen appearance fixes */
 486     si = get_display_info(c->display, c->phys_screen, NULL);
 487     if(x > si->width)
 488         x = si->width - w - 2 * c->border;
 489     if(y > si->height)
 490         y = si->height - h - 2 * c->border;
 491     XFree(si);
 492     if(x + w + 2 * c->border < 0)
 493         x = 0;
 494     if(y + h + 2 * c->border < 0)
 495         y = 0;
 496     if(c->x != x || c->y != y || c->w != w || c->h != h)
 497     {
 498         c->x = wc.x = x;
 499         c->y = wc.y = y;
 500         c->w = wc.width = w;
 501         c->h = wc.height = h;
 502         wc.border_width = c->border;
 503         XConfigureWindow(c->display, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
 504         configure(c);
 505         XSync(c->display, False);
 506         if(XineramaIsActive(c->display))
 507         {
 508             int new_screen = get_screen_bycoord(c->display, c->x, c->y);
 509             if(c->screen != new_screen)
 510                 move_client_to_screen(c, &awesomeconf[new_screen - awesomeconf->screen], False);
 511         }
 512     }
 513 }
 514
 515 void
 516 saveprops(Client * c, int ntags)
 517 {
 518     int i;
 519     char *prop;
 520
 521     prop = p_new(char, ntags + 2);
 522
 523     for(i = 0; i < ntags; i++)
 524         prop[i] = c->tags[i] ? '1' : '0';
 525
 526     if(i <= ntags)
 527         prop[i] = c->isfloating ? '1' : '0';
 528
 529     prop[++i] = '\0';
 530
 531     XChangeProperty(c->display, c->win, AWESOMEPROPS_ATOM(c->display), XA_STRING, 8,
 532                     PropModeReplace, (unsigned char *) prop, i);
 533
 534     p_delete(&prop);
 535 }
 536
 537 void
 538 unban(Client * c)
 539 {
 540     XMapWindow(c->display, c->win);
 541     setclientstate(c, NormalState);
 542     c->isbanned = False;
 543     c->unmapped = False;
 544 }
 545
 546 void
 547 unmanage(Client * c, DC *drawcontext, long state, awesome_config *awesomeconf)
 548 {
 549     XWindowChanges wc;
 550
 551     c->unmapped = True;
 552     wc.border_width = c->oldborder;
 553     /* The server grab construct avoids race conditions. */
 554     XGrabServer(c->display);
 555     XConfigureWindow(c->display, c->win, CWBorderWidth, &wc);  /* restore border */
 556     detach(c);
 557     detachstack(c);
 558     if(sel == c)
 559         focus(c->display, drawcontext, NULL, True, awesomeconf);
 560     XUngrabButton(c->display, AnyButton, AnyModifier, c->win);
 561     setclientstate(c, state);
 562     XSync(c->display, False);
 563     XSetErrorHandler(xerror);
 564     XUngrabServer(c->display);
 565     if(state != NormalState)
 566         arrange(c->display, drawcontext, awesomeconf);
 567     p_delete(&c->tags);
 568     p_delete(&c);
 569 }
 570
 571 void
 572 updatesizehints(Client * c)
 573 {
 574     long msize;
 575     XSizeHints size;
 576
 577     if(!XGetWMNormalHints(c->display, c->win, &size, &msize) || !size.flags)
 578         size.flags = PSize;
 579     c->flags = size.flags;
 580     if(c->flags & PBaseSize)
 581     {
 582         c->basew = size.base_width;
 583         c->baseh = size.base_height;
 584     }
 585     else if(c->flags & PMinSize)
 586     {
 587         c->basew = size.min_width;
 588         c->baseh = size.min_height;
 589     }
 590     else
 591         c->basew = c->baseh = 0;
 592     if(c->flags & PResizeInc)
 593     {
 594         c->incw = size.width_inc;
 595         c->inch = size.height_inc;
 596     }
 597     else
 598         c->incw = c->inch = 0;
 599
 600     if(c->flags & PMaxSize)
 601     {
 602         c->maxw = size.max_width;
 603         c->maxh = size.max_height;
 604     }
 605     else
 606         c->maxw = c->maxh = 0;
 607
 608     if(c->flags & PMinSize)
 609     {
 610         c->minw = size.min_width;
 611         c->minh = size.min_height;
 612     }
 613     else if(c->flags & PBaseSize)
 614     {
 615         c->minw = size.base_width;
 616         c->minh = size.base_height;
 617     }
 618     else
 619         c->minw = c->minh = 0;
 620
 621     if(c->flags & PAspect)
 622     {
 623         c->minax = size.min_aspect.x;
 624         c->maxax = size.max_aspect.x;
 625         c->minay = size.min_aspect.y;
 626         c->maxay = size.max_aspect.y;
 627     }
 628     else
 629         c->minax = c->maxax = c->minay = c->maxay = 0;
 630
 631     c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
 632                   && c->maxw == c->minw && c->maxh == c->minh);
 633 }
 634
 635 void
 636 set_shape(Client *c)
 637 {
 638     int bounding_shaped;
 639     int i, b;  unsigned int u;  /* dummies */
 640     /* Logic to decide if we have a shaped window cribbed from fvwm-2.5.10. */
 641     if (XShapeQueryExtents(c->display, c->win, &bounding_shaped, &i, &i,
 642                            &u, &u, &b, &i, &i, &u, &u) && bounding_shaped)
 643         XShapeCombineShape(c->display, RootWindow(c->display, c->screen), ShapeBounding, 0, 0, c->win, ShapeBounding, ShapeSet);
 644 }
 645
 646 /** Set selected client transparency
 647  * \param disp Display ref
 648  * \param drawcontext Drawcontext ref
 649  * \param awesomeconf awesome config
 650  * \param arg unused arg
 651  * \ingroup ui_callback
 652  */
 653 void
 654 uicb_settrans(Display *disp __attribute__ ((unused)),
 655               DC *drawcontext __attribute__ ((unused)),
 656               awesome_config *awesomeconf __attribute__ ((unused)),
 657               const char *arg)
 658 {
 659     double delta = 100.0, current_opacity = 0.0;
 660     unsigned char *data;
 661     Atom actual;
 662     int format;
 663     unsigned long n, left;
 664     unsigned int current_opacity_raw = 0;
 665     int set_prop = 0;
 666
 667     if(!sel)
 668         return;
 669
 670     XGetWindowProperty(sel->display, sel->win, XInternAtom(sel->display, "_NET_WM_WINDOW_OPACITY", False),
 671                        0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left,
 672                        (unsigned char **) &data);
 673     if(data)
 674     {
 675         memcpy(&current_opacity_raw, data, sizeof(unsigned int));
 676         XFree(data);
 677         current_opacity = (current_opacity_raw * 100.0) / 0xffffffff;
 678     }
 679     else
 680         set_prop = 1;
 681
 682     delta = compute_new_value_from_arg(arg, current_opacity);
 683
 684     if(delta <= 0.0)
 685         delta = 0.0;
 686     else if(delta > 100.0)
 687     {
 688         delta = 100.0;
 689         set_prop = 1;
 690     }
 691
 692     if(delta == 100.0 && !set_prop)
 693         setclienttrans(sel, -1);
 694     else
 695         setclienttrans(sel, delta);
 696 }
 697
 698
 699 /** Set borrder size
 700  * \param disp Display ref
 701  * \param drawcontext Drawcontext ref
 702  * \param awesomeconf awesome config
 703  * \param arg X, +X or -X
 704  * \ingroup ui_callback
 705  */
 706 void
 707 uicb_setborder(Display *disp __attribute__ ((unused)),
 708                DC *drawcontext __attribute__ ((unused)),
 709                awesome_config *awesomeconf,
 710                const char *arg)
 711 {
 712     if(!arg)
 713         return;
 714
 715     if((awesomeconf->borderpx = (int) compute_new_value_from_arg(arg, (double) awesomeconf->borderpx)) < 0)
 716         awesomeconf->borderpx = 0;
 717 }
 718
 719 void
 720 uicb_swapnext(Display *disp,
 721               DC *drawcontext,
 722               awesome_config *awesomeconf,
 723               const char *arg __attribute__ ((unused)))
 724 {
 725     Client *next;
 726
 727     if(!sel)
 728         return;
 729
 730     for(next = sel->next; next && !isvisible(next, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); next = next->next);
 731     if(next)
 732     {
 733         client_swap(sel, next);
 734         arrange(disp, drawcontext, awesomeconf);
 735     }
 736 }
 737
 738 void
 739 uicb_swapprev(Display *disp,
 740               DC *drawcontext,
 741               awesome_config *awesomeconf,
 742               const char *arg __attribute__ ((unused)))
 743 {
 744     Client *prev;
 745
 746     if(!sel)
 747         return;
 748
 749     for(prev = sel->prev; prev && !isvisible(prev, awesomeconf->screen, awesomeconf->tags, awesomeconf->ntags); prev = prev->prev);
 750     if(prev)
 751     {
 752         client_swap(prev, sel);
 753         arrange(disp, drawcontext, awesomeconf);
 754     }
 755 }
 756
 757 void
 758 uicb_moveresize(Display *disp __attribute__ ((unused)),
 759                 DC *drawcontext __attribute__ ((unused)),
 760                 awesome_config *awesomeconf,
 761                 const char *arg)
 762 {
 763     int nx, ny, nw, nh, ox, oy, ow, oh;
 764     char x[8], y[8], w[8], h[8];
 765     int mx, my, dx, dy, nmx, nmy;
 766     unsigned int dui;
 767     Window dummy;
 768
 769     if(!IS_ARRANGE(layout_floating))
 770         if(!sel || !sel->isfloating || sel->isfixed || !arg)
 771             return;
 772     if(sscanf(arg, "%s %s %s %s", x, y, w, h) != 4)
 773         return;
 774     nx = (int) compute_new_value_from_arg(x, sel->x);
 775     ny = (int) compute_new_value_from_arg(y, sel->y);
 776     nw = (int) compute_new_value_from_arg(w, sel->w);
 777     nh = (int) compute_new_value_from_arg(h, sel->h);
 778
 779     ox = sel->x;
 780     oy = sel->y;
 781     ow = sel->w;
 782     oh = sel->h;
 783
 784     Bool xqp = XQueryPointer(sel->display, RootWindow(sel->display, sel->screen), &dummy, &dummy, &mx, &my, &dx, &dy, &dui);
 785     resize(sel, nx, ny, nw, nh, awesomeconf, True);
 786     if (xqp && ox <= mx && (ox + ow) >= mx && oy <= my && (oy + oh) >= my)
 787     {
 788         nmx = mx-ox+sel->w-ow-1 < 0 ? 0 : mx-ox+sel->w-ow-1;
 789         nmy = my-oy+sel->h-oh-1 < 0 ? 0 : my-oy+sel->h-oh-1;
 790         XWarpPointer(sel->display, None, sel->win, 0, 0, 0, 0, nmx, nmy);
 791     }
 792 }
 793
 794 /** Kill selected client
 795  * \param disp Display ref
 796  * \param drawcontext Drawcontext ref
 797  * \param awesomeconf awesome config
 798  * \param arg unused
 799  * \ingroup ui_callback
 800  */
 801 void
 802 uicb_killclient(Display *disp __attribute__ ((unused)),
 803                 DC *drawcontext __attribute__ ((unused)),
 804                 awesome_config *awesomeconf __attribute__ ((unused)),
 805                 const char *arg __attribute__ ((unused)))
 806 {
 807     XEvent ev;
 808
 809     if(!sel)
 810         return;
 811     if(isprotodel(sel))
 812     {
 813         ev.type = ClientMessage;
 814         ev.xclient.window = sel->win;
 815         ev.xclient.message_type = XInternAtom(disp, "WM_PROTOCOLS", False);
 816         ev.xclient.format = 32;
 817         ev.xclient.data.l[0] = XInternAtom(disp, "WM_DELETE_WINDOW", False);
 818         ev.xclient.data.l[1] = CurrentTime;
 819         XSendEvent(sel->display, sel->win, False, NoEventMask, &ev);
 820     }
 821     else
 822         XKillClient(sel->display, sel->win);
 823 }