src/workspace.c

   1 /* workspace.c- Workspace management
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22 #include "wconfig.h"
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/Xutil.h>
  26 #ifdef SHAPE
  27 #include <X11/extensions/shape.h>
  28 #endif
  29
  30 #include <stdlib.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <ctype.h>
  34 #include <string.h>
  35 #include <time.h>
  36 #include <sys/time.h>
  37
  38 #include "WindowMaker.h"
  39 #include "wcore.h"
  40 #include "framewin.h"
  41 #include "window.h"
  42 #include "icon.h"
  43 #include "funcs.h"
  44 #include "menu.h"
  45 #include "application.h"
  46 #include "dock.h"
  47 #include "actions.h"
  48 #include "workspace.h"
  49 #include "appicon.h"
  50 #ifdef NETWM_HINTS
  51 #include "wmspec.h"
  52 #endif
  53
  54 #include "xinerama.h"
  55
  56
  57 extern WPreferences wPreferences;
  58 extern XContext wWinContext;
  59 extern XContext wVEdgeContext;
  60
  61 extern void ProcessPendingEvents();
  62
  63 static WMPropList *dWorkspaces=NULL;
  64 static WMPropList *dClip, *dName;
  65
  66
  67
  68 static void
  69 make_keys()
  70 {
  71     if (dWorkspaces!=NULL)
  72         return;
  73
  74     dWorkspaces = WMCreatePLString("Workspaces");
  75     dName = WMCreatePLString("Name");
  76     dClip = WMCreatePLString("Clip");
  77 }
  78
  79
  80 void
  81 wWorkspaceMake(WScreen *scr, int count)
  82 {
  83     while (count>0) {
  84         wWorkspaceNew(scr);
  85         count--;
  86     }
  87 }
  88
  89
  90 int
  91 wWorkspaceNew(WScreen *scr)
  92 {
  93     WWorkspace *wspace, **list;
  94     int i;
  95
  96     if (scr->workspace_count < MAX_WORKSPACES) {
  97         scr->workspace_count++;
  98
  99         wspace = wmalloc(sizeof(WWorkspace));
 100         wspace->name = NULL;
 101
 102         if (!wspace->name) {
 103             wspace->name = wmalloc(strlen(_("Workspace %i"))+8);
 104             sprintf(wspace->name, _("Workspace %i"), scr->workspace_count);
 105         }
 106
 107
 108         if (!wPreferences.flags.noclip) {
 109             wspace->clip = wDockCreate(scr, WM_CLIP);
 110         } else
 111             wspace->clip = NULL;
 112
 113         list = wmalloc(sizeof(WWorkspace*)*scr->workspace_count);
 114
 115         for (i=0; i<scr->workspace_count-1; i++) {
 116             list[i] = scr->workspaces[i];
 117         }
 118         list[i] = wspace;
 119         if (scr->workspaces)
 120             wfree(scr->workspaces);
 121         scr->workspaces = list;
 122
 123         wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 124         wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 125 #ifdef VIRTUAL_DESKTOP
 126         wspace->view_x = wspace->view_y = 0;
 127         wspace->height = scr->scr_height;
 128         wspace->width = scr->scr_width;
 129 #endif
 130 #ifdef NETWM_HINTS
 131         wNETWMUpdateDesktop(scr);
 132 #endif
 133
 134         WMPostNotificationName(WMNWorkspaceCreated, scr,
 135                                (void*)(scr->workspace_count-1));
 136         XFlush(dpy);
 137
 138         return scr->workspace_count-1;
 139     }
 140
 141     return -1;
 142 }
 143
 144
 145 Bool
 146 wWorkspaceDelete(WScreen *scr, int workspace)
 147 {
 148     WWindow *tmp;
 149     WWorkspace **list;
 150     int i, j;
 151
 152     if (workspace<=0)
 153         return False;
 154
 155     /* verify if workspace is in use by some window */
 156     tmp = scr->focused_window;
 157     while (tmp) {
 158         if (!IS_OMNIPRESENT(tmp) && tmp->frame->workspace==workspace)
 159             return False;
 160         tmp = tmp->prev;
 161     }
 162
 163     if (!wPreferences.flags.noclip) {
 164         wDockDestroy(scr->workspaces[workspace]->clip);
 165         scr->workspaces[workspace]->clip = NULL;
 166     }
 167
 168     list = wmalloc(sizeof(WWorkspace*)*(scr->workspace_count-1));
 169     j = 0;
 170     for (i=0; i<scr->workspace_count; i++) {
 171         if (i!=workspace) {
 172             list[j++] = scr->workspaces[i];
 173         } else {
 174             if (scr->workspaces[i]->name)
 175                 wfree(scr->workspaces[i]->name);
 176             wfree(scr->workspaces[i]);
 177         }
 178     }
 179     wfree(scr->workspaces);
 180     scr->workspaces = list;
 181
 182     scr->workspace_count--;
 183
 184
 185     /* update menu */
 186     wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 187     /* clip workspace menu */
 188     wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 189
 190     /* update also window menu */
 191     if (scr->workspace_submenu) {
 192         WMenu *menu = scr->workspace_submenu;
 193
 194         i = menu->entry_no;
 195         while (i>scr->workspace_count)
 196             wMenuRemoveItem(menu, --i);
 197         wMenuRealize(menu);
 198     }
 199     /* and clip menu */
 200     if (scr->clip_submenu) {
 201         WMenu *menu = scr->clip_submenu;
 202
 203         i = menu->entry_no;
 204         while (i>scr->workspace_count)
 205             wMenuRemoveItem(menu, --i);
 206         wMenuRealize(menu);
 207     }
 208
 209 #ifdef NETWM_HINTS
 210     wNETWMUpdateDesktop(scr);
 211 #endif
 212
 213     WMPostNotificationName(WMNWorkspaceDestroyed, scr,
 214                            (void*)(scr->workspace_count-1));
 215
 216     if (scr->current_workspace >= scr->workspace_count)
 217         wWorkspaceChange(scr, scr->workspace_count-1);
 218
 219     return True;
 220 }
 221
 222
 223 typedef struct WorkspaceNameData {
 224     int count;
 225     RImage *back;
 226     RImage *text;
 227     time_t timeout;
 228 } WorkspaceNameData;
 229
 230
 231 static void
 232 hideWorkspaceName(void *data)
 233 {
 234     WScreen *scr = (WScreen*)data;
 235
 236     if (!scr->workspace_name_data || scr->workspace_name_data->count == 0
 237         || time(NULL) > scr->workspace_name_data->timeout) {
 238         XUnmapWindow(dpy, scr->workspace_name);
 239
 240         if (scr->workspace_name_data) {
 241             RReleaseImage(scr->workspace_name_data->back);
 242             RReleaseImage(scr->workspace_name_data->text);
 243             wfree(scr->workspace_name_data);
 244
 245             scr->workspace_name_data = NULL;
 246         }
 247         scr->workspace_name_timer = NULL;
 248     } else {
 249         RImage *img = RCloneImage(scr->workspace_name_data->back);
 250         Pixmap pix;
 251
 252         scr->workspace_name_timer =
 253             WMAddTimerHandler(WORKSPACE_NAME_FADE_DELAY, hideWorkspaceName, scr);
 254
 255         RCombineImagesWithOpaqueness(img, scr->workspace_name_data->text,
 256                                      scr->workspace_name_data->count*255/10);
 257
 258         RConvertImage(scr->rcontext, img, &pix);
 259
 260         RReleaseImage(img);
 261
 262         XSetWindowBackgroundPixmap(dpy, scr->workspace_name, pix);
 263         XClearWindow(dpy, scr->workspace_name);
 264         XFreePixmap(dpy, pix);
 265         XFlush(dpy);
 266
 267         scr->workspace_name_data->count--;
 268     }
 269 }
 270
 271
 272 static void
 273 showWorkspaceName(WScreen *scr, int workspace)
 274 {
 275     WorkspaceNameData *data;
 276     RXImage *ximg;
 277     Pixmap text, mask;
 278     int w, h;
 279     int px, py;
 280     char *name = scr->workspaces[workspace]->name;
 281     int len = strlen(name);
 282     int x, y;
 283
 284     if (wPreferences.workspace_name_display_position == WD_NONE ||
 285         scr->workspace_count < 2) {
 286         return;
 287     }
 288
 289     if (scr->workspace_name_timer) {
 290         WMDeleteTimerHandler(scr->workspace_name_timer);
 291         XUnmapWindow(dpy, scr->workspace_name);
 292         XFlush(dpy);
 293     }
 294     scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY,
 295                                                   hideWorkspaceName, scr);
 296
 297     if (scr->workspace_name_data) {
 298         RReleaseImage(scr->workspace_name_data->back);
 299         RReleaseImage(scr->workspace_name_data->text);
 300         wfree(scr->workspace_name_data);
 301     }
 302
 303     data = wmalloc(sizeof(WorkspaceNameData));
 304     data->back = NULL;
 305
 306     w = WMWidthOfString(scr->workspace_name_font, name, len);
 307     h = WMFontHeight(scr->workspace_name_font);
 308
 309     switch (wPreferences.workspace_name_display_position) {
 310     case WD_TOP:
 311         px = (scr->scr_width - (w+4))/2;
 312         py = 0;
 313         break;
 314     case WD_BOTTOM:
 315         px = (scr->scr_width - (w+4))/2;
 316         py = scr->scr_height - (h+4);
 317         break;
 318     case WD_TOPLEFT:
 319         px = 0;
 320         py = 0;
 321         break;
 322     case WD_TOPRIGHT:
 323         px = scr->scr_width - (w+4);
 324         py = 0;
 325         break;
 326     case WD_BOTTOMLEFT:
 327         px = 0;
 328         py = scr->scr_height - (h+4);
 329         break;
 330     case WD_BOTTOMRIGHT:
 331         px = scr->scr_width - (w+4);
 332         py = scr->scr_height - (h+4);
 333         break;
 334     case WD_CENTER:
 335     default:
 336         px = (scr->scr_width - (w+4))/2;
 337         py = (scr->scr_height - (h+4))/2;
 338         break;
 339     }
 340     XResizeWindow(dpy, scr->workspace_name, w+4, h+4);
 341     XMoveWindow(dpy, scr->workspace_name, px, py);
 342
 343     text = XCreatePixmap(dpy, scr->w_win, w+4, h+4, scr->w_depth);
 344     mask = XCreatePixmap(dpy, scr->w_win, w+4, h+4, 1);
 345
 346     /*XSetForeground(dpy, scr->mono_gc, 0);
 347      XFillRectangle(dpy, mask, scr->mono_gc, 0, 0, w+4, h+4);*/
 348
 349     XFillRectangle(dpy, text, WMColorGC(scr->black), 0, 0, w+4, h+4);
 350
 351     for (x = 0; x <= 4; x++) {
 352         for (y = 0; y <= 4; y++) {
 353             WMDrawString(scr->wmscreen, text, scr->white,
 354                          scr->workspace_name_font, x, y, name, len);
 355         }
 356     }
 357
 358     XSetForeground(dpy, scr->mono_gc, 1);
 359     XSetBackground(dpy, scr->mono_gc, 0);
 360
 361     XCopyPlane(dpy, text, mask, scr->mono_gc, 0, 0, w+4, h+4, 0, 0, 1<<(scr->w_depth-1));
 362
 363     /*XSetForeground(dpy, scr->mono_gc, 1);*/
 364     XSetBackground(dpy, scr->mono_gc, 1);
 365
 366     XFillRectangle(dpy, text, WMColorGC(scr->black), 0, 0, w+4, h+4);
 367
 368     WMDrawString(scr->wmscreen, text, scr->white, scr->workspace_name_font,
 369                  2, 2, name, len);
 370
 371 #ifdef SHAPE
 372     XShapeCombineMask(dpy, scr->workspace_name, ShapeBounding, 0, 0, mask,
 373                       ShapeSet);
 374 #endif
 375     XSetWindowBackgroundPixmap(dpy, scr->workspace_name, text);
 376     XClearWindow(dpy, scr->workspace_name);
 377
 378     data->text = RCreateImageFromDrawable(scr->rcontext, text, None);
 379
 380     XFreePixmap(dpy, text);
 381     XFreePixmap(dpy, mask);
 382
 383     if (!data->text) {
 384         XMapRaised(dpy, scr->workspace_name);
 385         XFlush(dpy);
 386
 387         goto erro;
 388     }
 389
 390     ximg = RGetXImage(scr->rcontext, scr->root_win, px, py,
 391                       data->text->width, data->text->height);
 392
 393     if (!ximg || !ximg->image) {
 394         goto erro;
 395     }
 396
 397     XMapRaised(dpy, scr->workspace_name);
 398     XFlush(dpy);
 399
 400     data->back = RCreateImageFromXImage(scr->rcontext, ximg->image, NULL);
 401     RDestroyXImage(scr->rcontext, ximg);
 402
 403     if (!data->back) {
 404         goto erro;
 405     }
 406
 407     data->count = 10;
 408
 409     /* set a timeout for the effect */
 410     data->timeout = time(NULL) + 2 +
 411         (WORKSPACE_NAME_DELAY + WORKSPACE_NAME_FADE_DELAY*data->count)/1000;
 412
 413     scr->workspace_name_data = data;
 414
 415
 416     return;
 417
 418 erro:
 419     if (scr->workspace_name_timer)
 420         WMDeleteTimerHandler(scr->workspace_name_timer);
 421
 422     if (data->text)
 423         RReleaseImage(data->text);
 424     if (data->back)
 425         RReleaseImage(data->back);
 426     wfree(data);
 427
 428     scr->workspace_name_data = NULL;
 429
 430     scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY +
 431                                                   10*WORKSPACE_NAME_FADE_DELAY,
 432                                                   hideWorkspaceName, scr);
 433 }
 434
 435
 436 void
 437 wWorkspaceChange(WScreen *scr, int workspace)
 438 {
 439     if (scr->flags.startup || scr->flags.startup2) {
 440         return;
 441     }
 442
 443     if (workspace != scr->current_workspace) {
 444         wWorkspaceForceChange(scr, workspace);
 445     } /*else {
 446     showWorkspaceName(scr, workspace);
 447     }*/
 448 }
 449
 450
 451 void
 452 wWorkspaceRelativeChange(WScreen *scr, int amount)
 453 {
 454     int w;
 455
 456     w = scr->current_workspace + amount;
 457
 458     if (amount < 0) {
 459         if (w >= 0) {
 460             wWorkspaceChange(scr, w);
 461         } else if (wPreferences.ws_cycle) {
 462             wWorkspaceChange(scr, scr->workspace_count + w);
 463         }
 464     } else if (amount > 0) {
 465         if (w < scr->workspace_count) {
 466             wWorkspaceChange(scr, w);
 467         } else if (wPreferences.ws_advance) {
 468             wWorkspaceChange(scr, WMIN(w, MAX_WORKSPACES-1));
 469         } else if (wPreferences.ws_cycle) {
 470             wWorkspaceChange(scr, w % scr->workspace_count);
 471         }
 472     }
 473 }
 474
 475
 476 void
 477 wWorkspaceForceChange(WScreen *scr, int workspace)
 478 {
 479     WWindow *tmp, *foc=NULL, *foc2=NULL;
 480
 481     if (workspace >= MAX_WORKSPACES || workspace < 0)
 482         return;
 483
 484     SendHelperMessage(scr, 'C', workspace+1, NULL);
 485
 486     if (workspace > scr->workspace_count-1) {
 487         wWorkspaceMake(scr, workspace - scr->workspace_count + 1);
 488     }
 489
 490     wClipUpdateForWorkspaceChange(scr, workspace);
 491
 492     scr->current_workspace = workspace;
 493
 494     wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 495
 496     wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 497
 498     if ((tmp = scr->focused_window)!= NULL) {
 499         if ((IS_OMNIPRESENT(tmp) && (tmp->flags.mapped || tmp->flags.shaded) &&
 500              !WFLAGP(tmp, no_focusable)) || tmp->flags.changing_workspace) {
 501             foc = tmp;
 502         }
 503
 504         /* foc2 = tmp; will fix annoyance with gnome panel
 505          * but will create annoyance for every other application
 506          */
 507         while (tmp) {
 508             if (tmp->frame->workspace!=workspace && !tmp->flags.selected) {
 509                 /* unmap windows not on this workspace */
 510                 if ((tmp->flags.mapped||tmp->flags.shaded) &&
 511                     !IS_OMNIPRESENT(tmp) && !tmp->flags.changing_workspace) {
 512                     wWindowUnmap(tmp);
 513                 }
 514                 /* also unmap miniwindows not on this workspace */
 515                 if (!wPreferences.sticky_icons && tmp->flags.miniaturized &&
 516                     tmp->icon && !IS_OMNIPRESENT(tmp)) {
 517                     XUnmapWindow(dpy, tmp->icon->core->window);
 518                     tmp->icon->mapped = 0;
 519                 }
 520                 /* update current workspace of omnipresent windows */
 521                 if (IS_OMNIPRESENT(tmp)) {
 522                     WApplication *wapp = wApplicationOf(tmp->main_window);
 523
 524                     tmp->frame->workspace = workspace;
 525
 526                     if (wapp) {
 527                         wapp->last_workspace = workspace;
 528                     }
 529                     if (!foc2 && (tmp->flags.mapped || tmp->flags.shaded)) {
 530                         foc2 = tmp;
 531                     }
 532                 }
 533             } else {
 534                 /* change selected windows' workspace */
 535                 if (tmp->flags.selected) {
 536                     wWindowChangeWorkspace(tmp, workspace);
 537                     if (!tmp->flags.miniaturized && !foc) {
 538                         foc = tmp;
 539                     }
 540                 } else {
 541                     if (!tmp->flags.hidden) {
 542                         if (!(tmp->flags.mapped || tmp->flags.miniaturized)) {
 543                             /* remap windows that are on this workspace */
 544                             wWindowMap(tmp);
 545                             if (!foc && !WFLAGP(tmp, no_focusable)) {
 546                                 foc = tmp;
 547                             }
 548                         }
 549                         /* Also map miniwindow if not omnipresent */
 550                         if (!wPreferences.sticky_icons &&
 551                             tmp->flags.miniaturized &&
 552                             !IS_OMNIPRESENT(tmp) && tmp->icon) {
 553                             tmp->icon->mapped = 1;
 554                             XMapWindow(dpy, tmp->icon->core->window);
 555                         }
 556                     }
 557                 }
 558             }
 559             tmp = tmp->prev;
 560         }
 561
 562         /* Gobble up events unleashed by our mapping & unmapping.
 563          * These may trigger various grab-initiated focus &
 564          * crossing events. However, we don't care about them,
 565          * and ignore their focus implications altogether to avoid
 566          * flicker.
 567          */
 568         scr->flags.ignore_focus_events = 1;
 569         ProcessPendingEvents();
 570         scr->flags.ignore_focus_events = 0;
 571
 572         if (!foc)
 573             foc = foc2;
 574
 575         if (scr->focused_window->flags.mapped && !foc) {
 576             foc = scr->focused_window;
 577         }
 578         if (wPreferences.focus_mode == WKF_CLICK) {
 579             wSetFocusTo(scr, foc);
 580         } else {
 581             unsigned int mask;
 582             int foo;
 583             Window bar, win;
 584             WWindow *tmp;
 585
 586             tmp = NULL;
 587             if (XQueryPointer(dpy, scr->root_win, &bar, &win,
 588                               &foo, &foo, &foo, &foo, &mask)) {
 589                 tmp = wWindowFor(win);
 590             }
 591
 592             /* If there's a window under the pointer, focus it.
 593              * (we ate all other focus events above, so it's
 594              * certainly not focused). Otherwise focus last
 595              * focused, or the root (depending on sloppiness)
 596              */
 597             if (!tmp && wPreferences.focus_mode == WKF_SLOPPY) {
 598                 wSetFocusTo(scr, foc);
 599             } else {
 600                 wSetFocusTo(scr, tmp);
 601             }
 602         }
 603     }
 604
 605     /* We need to always arrange icons when changing workspace, even if
 606      * no autoarrange icons, because else the icons in different workspaces
 607      * can be superposed.
 608      * This can be avoided if appicons are also workspace specific.
 609      */
 610     if (!wPreferences.sticky_icons)
 611         wArrangeIcons(scr, False);
 612
 613     if (scr->dock)
 614         wAppIconPaint(scr->dock->icon_array[0]);
 615
 616     if (scr->clip_icon) {
 617         if (scr->workspaces[workspace]->clip->auto_collapse ||
 618             scr->workspaces[workspace]->clip->auto_raise_lower) {
 619             /* to handle enter notify. This will also */
 620             XUnmapWindow(dpy, scr->clip_icon->icon->core->window);
 621             XMapWindow(dpy, scr->clip_icon->icon->core->window);
 622         } else {
 623             wClipIconPaint(scr->clip_icon);
 624         }
 625     }
 626
 627 #ifdef NETWM_HINTS
 628     wScreenUpdateUsableArea(scr);
 629     wNETWMUpdateDesktop(scr);
 630 #endif
 631
 632     showWorkspaceName(scr, workspace);
 633
 634     WMPostNotificationName(WMNWorkspaceChanged, scr, (void*)workspace);
 635
 636     /*   XSync(dpy, False); */
 637 }
 638
 639
 640 #ifdef VIRTUAL_DESKTOP
 641
 642 /* TODO:
 643  *
 644  * 1) Allow border around each window so the scrolling
 645  *    won't just stop at the border.
 646  * 2) Make pager.
 647  *
 648  */
 649
 650 #define vec_sub(a, b) wmkpoint((a).x-(b).x, (a).y-(b).y)
 651 #define vec_add(a, b) wmkpoint((a).x+(b).x, (a).y+(b).y)
 652 #define vec_inc(a, b) do { (a).x+=(b).x; (a).y+=(b).y; } while(0)
 653 #define vec_dot(a, b) ((a).x*(b).x + (a).y*(b).y)
 654 #define vec_scale(a, s) wmkpoint((a).x*s, (a).y*s)
 655 #define vec_scale2(a, s, t) wmkpoint((a).x*s, (a).y*t)
 656
 657 #ifndef HAS_BORDER
 658 #define HAS_BORDER(w) (!(WFLAGP((w), no_border)))
 659 #endif
 660
 661 #ifndef IS_VSTUCK
 662 #define IS_VSTUCK(w) (WFLAGP((w), virtual_stick))
 663 #endif
 664
 665 #define updateMinimum(l,p,ml,mp) do { if (cmp(l) && (l)<(ml)) { (ml)=(l); (mp)=(p); }; } while(0)
 666
 667 static Bool cmp_gez(int i) { return (i >= 0); }
 668
 669 static Bool cmp_gz(int i)  { return (i > 0); }
 670
 671
 672 static WMPoint
 673 getClosestEdge(WScreen * scr, WMPoint direction, Bool (*cmp)(int))
 674 {
 675     WMPoint closest = wmkpoint(0, 0);
 676     int closest_len = INT_MAX;
 677     WWindow * wwin;
 678
 679     for (wwin=scr->focused_window; wwin; wwin=wwin->prev) {
 680         if (wwin->frame->workspace == scr->current_workspace) {
 681             if (!wwin->flags.miniaturized &&
 682                 !IS_VSTUCK(wwin) &&
 683                 !wwin->flags.hidden) {
 684                 int border = 2*HAS_BORDER(wwin);
 685                 int len;
 686                 int x1,x2,y1,y2;
 687                 int head = wGetHeadForWindow(wwin);
 688                 WArea area = wGetUsableAreaForHead(scr, head, NULL, False);
 689                 WMPoint p;
 690
 691                 x1 = wwin->frame_x - area.x1;
 692                 y1 = wwin->frame_y - area.y1;
 693                 x2 = wwin->frame_x + wwin->frame->core->width + border - area.x2;
 694                 y2 = wwin->frame_y + wwin->frame->core->height + border - area.y2;
 695
 696                 p = wmkpoint(x1,y1);
 697                 len = vec_dot(direction, p);
 698                 updateMinimum(len, p, closest_len, closest);
 699
 700                 p = wmkpoint(x1,y2);
 701                 len = vec_dot(direction, p);
 702                 updateMinimum(len, p, closest_len, closest);
 703
 704                 p = wmkpoint(x2,y1);
 705                 len = vec_dot(direction, p);
 706                 updateMinimum(len, p, closest_len, closest);
 707
 708                 p = wmkpoint(x2,y2);
 709                 len = vec_dot(direction, p);
 710                 updateMinimum(len, p, closest_len, closest);
 711             }
 712         }
 713     }
 714
 715     return closest;
 716 }
 717
 718
 719 static void
 720 getViewPosition(WScreen *scr, int workspace, int *x, int *y)
 721 {
 722     *x = scr->workspaces[workspace]->view_x;
 723     *y = scr->workspaces[workspace]->view_y;
 724 }
 725
 726
 727 void
 728 wWorkspaceKeyboardMoveDesktop(WScreen *scr, WMPoint direction)
 729 {
 730     int x, y;
 731     WMPoint edge = getClosestEdge(scr, direction, cmp_gz);
 732     int len = vec_dot(edge, direction);
 733     WMPoint step = vec_scale(direction, len);
 734     getViewPosition(scr, scr->current_workspace, &x, &y);
 735     wWorkspaceSetViewport(scr, scr->current_workspace, x+step.x, y+step.y);
 736 }
 737
 738
 739 extern Cursor wCursor[WCUR_LAST];
 740
 741
 742 static void
 743 vdMouseMoveDesktop(XEvent *event, WMPoint direction)
 744 {
 745     static int lock = False;
 746     if (lock) return;
 747     lock = True;
 748
 749     Bool done = False;
 750     Bool moved = True;
 751     WScreen *scr = wScreenForRootWindow(event->xcrossing.root);
 752     WMPoint old_pos = wmkpoint(event->xcrossing.x_root, event->xcrossing.y_root);
 753     WMPoint step;
 754     int x, y;
 755     int resisted = 0;
 756
 757     if (XGrabPointer(dpy, event->xcrossing.window, False,
 758                      PointerMotionMask, GrabModeAsync, GrabModeAsync,
 759                      scr->root_win, wCursor[WCUR_EMPTY],
 760                      CurrentTime) != GrabSuccess) {
 761
 762         /* if the grab fails, do it the old fashioned way */
 763         step = vec_scale2(direction, wPreferences.vedge_hscrollspeed,
 764                           wPreferences.vedge_vscrollspeed);
 765         getViewPosition(scr, scr->current_workspace, &x, &y);
 766         if (wWorkspaceSetViewport(scr, scr->current_workspace,
 767                                   x+step.x, y+step.y)) {
 768             step = vec_scale(direction, 2);
 769             XWarpPointer(dpy, None, scr->root_win, 0,0,0,0,
 770                          event->xcrossing.x_root - step.x,
 771                          event->xcrossing.y_root - step.y);
 772         }
 773         goto exit;
 774     }
 775     XSync(dpy, True);
 776
 777     if (old_pos.x < 0)
 778         old_pos.x = 0;
 779     if (old_pos.y < 0)
 780         old_pos.y = 0;
 781     if (old_pos.x > scr->scr_width)
 782         old_pos.x = scr->scr_width;
 783     if (old_pos.y > scr->scr_height)
 784         old_pos.y = scr->scr_height;
 785
 786     while (!done) {
 787         XEvent ev;
 788         if (moved) {
 789             XWarpPointer(dpy, None, scr->root_win, 0, 0, 0, 0,
 790                          scr->scr_width/2, scr->scr_height/2);
 791             moved = False;
 792         }
 793         WMMaskEvent(dpy, PointerMotionMask, &ev);
 794
 795         switch (ev.type) {
 796         case MotionNotify:
 797             {
 798                 int step_len;
 799                 step = wmkpoint(ev.xmotion.x_root-scr->scr_width/2,
 800                                 ev.xmotion.y_root-scr->scr_height/2);
 801                 step_len = vec_dot(step, direction);
 802                 if (step_len < 0) {
 803                     done = True;
 804                     break;
 805                 }
 806
 807                 if (step_len > 0) {
 808                     Bool do_move = True;
 809                     int resist = wPreferences.vedge_resistance;
 810                     WMPoint closest;
 811                     int closest_len = INT_MAX;
 812                     if (resist) {
 813                         closest = getClosestEdge(scr, direction, cmp_gez);
 814                         closest_len = vec_dot(direction, closest);
 815                     }
 816
 817                     if (!closest_len) {
 818                         resisted += step_len;
 819                         do_move = resisted >= resist;
 820                         if (do_move) {
 821                             closest_len = INT_MAX;
 822                             step_len = resisted - resist;
 823                             resisted = 0;
 824                         }
 825                     }
 826                     if (do_move) {
 827                         if (closest_len <= wPreferences.vedge_attraction) {
 828                             step = vec_scale(direction, closest_len);
 829                         } else {
 830                             step = vec_scale(direction, step_len);
 831                         }
 832
 833                         getViewPosition(scr, scr->current_workspace, &x, &y);
 834                         wWorkspaceSetViewport(scr, scr->current_workspace,
 835                                               x+step.x, y+step.y);
 836                         moved = True;
 837                     }
 838                 }
 839             }
 840             break;
 841         }
 842     }
 843
 844     step = vec_add(old_pos, vec_scale(direction, -1));
 845     XWarpPointer(dpy, None, scr->root_win, 0,0,0,0, step.x, step.y);
 846     XUngrabPointer(dpy, CurrentTime);
 847
 848 exit:
 849     lock = False;
 850 }
 851
 852
 853 static void
 854 vdHandleEnter_u(XEvent *event) {
 855     vdMouseMoveDesktop(event, VEC_UP);
 856 }
 857
 858
 859 static void
 860 vdHandleEnter_d(XEvent *event) {
 861     vdMouseMoveDesktop(event, VEC_DOWN);
 862 }
 863
 864
 865 static void
 866 vdHandleEnter_l(XEvent *event) {
 867     vdMouseMoveDesktop(event, VEC_LEFT);
 868 }
 869
 870
 871 static void
 872 vdHandleEnter_r(XEvent *event) {
 873     vdMouseMoveDesktop(event, VEC_RIGHT);
 874 }
 875
 876
 877 #define LEFT_EDGE   0x01
 878 #define RIGHT_EDGE  0x02
 879 #define TOP_EDGE    0x04
 880 #define BOTTOM_EDGE 0x08
 881 #define ALL_EDGES   0x0F
 882
 883 static void
 884 createEdges(WScreen *scr)
 885 {
 886     if (!scr->virtual_edges) {
 887         int i, j, w;
 888         int vmask;
 889         XSetWindowAttributes attribs;
 890
 891         int heads = wXineramaHeads(scr);
 892         int *hasEdges = (int*)wmalloc(sizeof(int)*heads);
 893
 894         int thickness = 1;
 895         int nr_edges = 0;
 896         int max_edges = 4*heads;
 897         int head;
 898         Window *edges = (Window *)wmalloc(sizeof(Window)*max_edges);
 899
 900         for (i=0; i<heads; ++i)
 901             hasEdges[i] = ALL_EDGES;
 902         for (i=0; i<heads; ++i) {
 903             WMRect i_rect = wGetRectForHead(scr, i);
 904             for (j=i+1; j<heads; ++j) {
 905                 WMRect j_rect = wGetRectForHead(scr, j);
 906
 907                 int vlen = (WMIN(i_rect.pos.y + i_rect.size.height,
 908                                  j_rect.pos.y + j_rect.size.height) -
 909                             WMAX(i_rect.pos.y, j_rect.pos.y));
 910
 911                 int hlen = (WMIN(i_rect.pos.x + i_rect.size.width,
 912                                  j_rect.pos.x + j_rect.size.width) -
 913                             WMAX( i_rect.pos.x, j_rect.pos.x));
 914
 915                 if (vlen > 0 && hlen == 0) { /* horz alignment, vert edges touch */
 916                     if (i_rect.pos.x < j_rect.pos.x) { /* i left of j */
 917                         hasEdges[i] &= ~RIGHT_EDGE;
 918                         hasEdges[j] &= ~LEFT_EDGE;
 919                     } else { /* j left of i */
 920                         hasEdges[j] &= ~RIGHT_EDGE;
 921                         hasEdges[i] &= ~LEFT_EDGE;
 922                     }
 923                 } else if (vlen == 0 && hlen > 0) { /* vert alignment, horz edges touch */
 924                     if (i_rect.pos.y < j_rect.pos.y) { /* i top of j */
 925                         hasEdges[i] &= ~BOTTOM_EDGE;
 926                         hasEdges[j] &= ~TOP_EDGE;
 927                     } else { /* j top of i */
 928                         hasEdges[j] &= ~BOTTOM_EDGE;
 929                         hasEdges[i] &= ~TOP_EDGE;
 930                     }
 931                 }
 932             }
 933         }
 934
 935         for (w = 0; w < scr->workspace_count; w++) {
 936             /* puts("reset workspace"); */
 937             wWorkspaceSetViewport(scr, w, 0, 0);
 938         }
 939
 940         vmask = CWEventMask|CWOverrideRedirect;
 941         attribs.event_mask = (EnterWindowMask | LeaveWindowMask | VisibilityChangeMask);
 942         attribs.override_redirect = True;
 943
 944         for (head=0; head<wXineramaHeads(scr); ++head) {
 945             WMRect rect = wGetRectForHead(scr, head);
 946
 947             if (hasEdges[head] & TOP_EDGE) {
 948                 edges[nr_edges] =
 949                     XCreateWindow(dpy, scr->root_win, rect.pos.x, rect.pos.y,
 950                                   rect.size.width, thickness, 0,
 951                                   CopyFromParent, InputOnly, CopyFromParent,
 952                                   vmask, &attribs);
 953                 XSaveContext(dpy, edges[nr_edges], wVEdgeContext,
 954                              (XPointer)vdHandleEnter_u);
 955                 ++nr_edges;
 956             }
 957
 958             if (hasEdges[head] & BOTTOM_EDGE) {
 959                 edges[nr_edges] =
 960                     XCreateWindow(dpy, scr->root_win, rect.pos.x,
 961                                   rect.pos.y+rect.size.height-thickness,
 962                                   rect.size.width, thickness, 0,
 963                                   CopyFromParent, InputOnly, CopyFromParent,
 964                                   vmask, &attribs);
 965                 XSaveContext(dpy, edges[nr_edges], wVEdgeContext,
 966                              (XPointer)vdHandleEnter_d);
 967                 ++nr_edges;
 968             }
 969
 970             if (hasEdges[head] & LEFT_EDGE) {
 971                 edges[nr_edges] =
 972                     XCreateWindow(dpy, scr->root_win, rect.pos.x, rect.pos.y,
 973                                   thickness, rect.pos.y+rect.size.height, 0,
 974                                   CopyFromParent, InputOnly, CopyFromParent,
 975                                   vmask, &attribs);
 976                 XSaveContext(dpy, edges[nr_edges], wVEdgeContext,
 977                              (XPointer)vdHandleEnter_l);
 978                 ++nr_edges;
 979             }
 980
 981             if (hasEdges[head] & RIGHT_EDGE) {
 982                 edges[nr_edges] =
 983                     XCreateWindow(dpy, scr->root_win,
 984                                   rect.pos.x + rect.size.width - thickness, rect.pos.y,
 985                                   thickness, rect.size.height, 0,
 986                                   CopyFromParent, InputOnly, CopyFromParent, vmask,
 987                                   &attribs);
 988                 XSaveContext(dpy, edges[nr_edges], wVEdgeContext,
 989                              (XPointer)vdHandleEnter_r);
 990                 ++nr_edges;
 991             }
 992         }
 993
 994         scr->virtual_nr_edges = nr_edges;
 995         scr->virtual_edges = edges;
 996
 997         for (i=0; i<scr->virtual_nr_edges; ++i) {
 998             XMapWindow(dpy, scr->virtual_edges[i]);
 999         }
1000         wWorkspaceRaiseEdge(scr);
1001
1002         wfree(hasEdges);
1003     }
1004 }
1005
1006
1007 static void
1008 destroyEdges(WScreen *scr)
1009 {
1010     if (scr->virtual_edges) {
1011         int i;
1012
1013         for (i=0; i<scr->virtual_nr_edges; ++i) {
1014             XDeleteContext(dpy, scr->virtual_edges[i], wVEdgeContext);
1015             XUnmapWindow(dpy, scr->virtual_edges[i]);
1016             XDestroyWindow(dpy, scr->virtual_edges[i]);
1017         }
1018
1019         wfree(scr->virtual_edges);
1020         scr->virtual_edges = NULL;
1021         scr->virtual_nr_edges = 0;
1022     }
1023 }
1024
1025
1026 void
1027 wWorkspaceUpdateEdge(WScreen *scr)
1028 {
1029     if (wPreferences.vdesk_enable) {
1030         createEdges(scr);
1031     } else {
1032         destroyEdges(scr);
1033     }
1034 }
1035
1036
1037 void
1038 wWorkspaceRaiseEdge(WScreen *scr)
1039 {
1040     static int toggle = 0;
1041     int i;
1042
1043     if (!scr->virtual_edges)
1044         return;
1045
1046     if (toggle) {
1047         for (i=0; i<scr->virtual_nr_edges; ++i) {
1048             XRaiseWindow(dpy, scr->virtual_edges[i]);
1049         }
1050     } else {
1051         for (i=scr->virtual_nr_edges-1; i>=0; --i) {
1052             XRaiseWindow(dpy, scr->virtual_edges[i]);
1053         }
1054     }
1055
1056     toggle ^= 1;
1057 }
1058
1059
1060 void
1061 wWorkspaceLowerEdge(WScreen *scr)
1062 {
1063     int i;
1064     for (i=0; i<scr->virtual_nr_edges; ++i) {
1065         XLowerWindow(dpy, scr->virtual_edges[i]);
1066     }
1067 }
1068
1069
1070 void
1071 wWorkspaceResizeViewport(WScreen *scr, int workspace)
1072 {
1073     int x, y;
1074     getViewPosition(scr, scr->current_workspace, &x, &y);
1075     wWorkspaceSetViewport(scr, scr->current_workspace, x, y);
1076 }
1077
1078
1079 void
1080 updateWorkspaceGeometry(WScreen *scr, int workspace, int *view_x, int *view_y)
1081 {
1082     int most_left, most_right, most_top, most_bottom;
1083     WWindow *wwin;
1084
1085     int heads = wXineramaHeads(scr);
1086     typedef int strut_t[4];
1087     strut_t * strut = (strut_t*)wmalloc(heads*sizeof(strut_t));
1088     int head, i;
1089
1090     for (head=0; head<heads; ++head) {
1091         WMRect rect = wGetRectForHead(scr, head);
1092         WArea area = wGetUsableAreaForHead(scr, head, NULL, False);
1093         strut[head][0] = area.x1 - rect.pos.x;
1094         strut[head][1] = rect.pos.x + rect.size.width - area.x2;
1095         strut[head][2] = area.y1 - rect.pos.y;
1096         strut[head][3] = rect.pos.y + rect.size.height - area.y2;
1097     }
1098
1099     /* adjust workspace layout */
1100     wwin = scr->focused_window;
1101     most_right = 0;
1102     most_bottom = 0;
1103     most_left = scr->scr_width;
1104     most_top = scr->scr_height;
1105     for(;wwin; wwin = wwin->prev) {
1106         if (wwin->frame->workspace == workspace) {
1107             if (!wwin->flags.miniaturized && !IS_VSTUCK(wwin) &&
1108                 !wwin->flags.hidden) {
1109
1110                 head = wGetHeadForWindow(wwin);
1111
1112                 i = wwin->frame_x - strut[head][0];
1113                 if (i < most_left) /* record positions, should this be cached? */
1114                     most_left = i;
1115                 i = wwin->frame_x + wwin->frame->core->width + strut[head][1];
1116                 if (HAS_BORDER(wwin))
1117                     i+=2;
1118                 if (i > most_right)
1119                     most_right = i;
1120                 i = wwin->frame_y - strut[head][2];
1121                 if (i < most_top)
1122                     most_top = i;
1123                 i = wwin->frame_y + wwin->frame->core->height + strut[head][3];
1124                 if (HAS_BORDER(wwin))
1125                     i+=2;
1126                 if (i > most_bottom) {
1127                     most_bottom = i;
1128                 }
1129             }
1130         }
1131     }
1132
1133     if (most_left > 0) most_left = 0;
1134     if (most_top > 0) most_top = 0;
1135
1136     scr->workspaces[workspace]->width = WMAX(most_right, scr->scr_width) - WMIN(most_left, 0);
1137     scr->workspaces[workspace]->height = WMAX(most_bottom, scr->scr_height) - WMIN(most_top, 0);
1138
1139     *view_x += -most_left - scr->workspaces[workspace]->view_x;
1140     scr->workspaces[workspace]->view_x = -most_left;
1141
1142     *view_y += -most_top - scr->workspaces[workspace]->view_y;
1143     scr->workspaces[workspace]->view_y = -most_top;
1144
1145     wfree(strut);
1146 }
1147
1148
1149 typedef struct _delay_configure {
1150     WWindow *wwin;
1151     int delay_count;
1152 } _delay_configure;
1153
1154
1155 void
1156 sendConfigureNotify (_delay_configure *delay)
1157 {
1158     WWindow *wwin;
1159
1160     delay->delay_count--;
1161     if (!delay->delay_count) {
1162         for (wwin = delay->wwin; wwin; wwin = wwin->prev) {
1163             wWindowSynthConfigureNotify(wwin);
1164         }
1165     }
1166 }
1167
1168
1169 Bool
1170 wWorkspaceSetViewport(WScreen *scr, int workspace, int view_x, int view_y)
1171 {
1172     Bool adjust_flag = False;
1173     int diff_x, diff_y;
1174     static _delay_configure delay_configure = {NULL, 0};
1175     WWorkspace *wptr;
1176     WWindow *wwin;
1177
1178     wptr = scr->workspaces[workspace];
1179
1180     /*printf("wWorkspaceSetViewport %d %d\n", view_x, view_y);*/
1181
1182     updateWorkspaceGeometry(scr, workspace, &view_x, &view_y);
1183
1184     if (view_x + scr->scr_width > wptr->width) {
1185         /* puts("right edge of vdesk"); */
1186         view_x = wptr->width - scr->scr_width;
1187     }
1188     if (view_x < 0) {
1189         /* puts("left edge of vdesk"); */
1190         view_x = 0;
1191     }
1192     if (view_y + scr->scr_height > wptr->height) {
1193         /* puts("right edge of vdesk"); */
1194         view_y = wptr->height - scr->scr_height;
1195     }
1196     if (view_y < 0) {
1197         /* puts("left edge of vdesk"); */
1198         view_y = 0;
1199     }
1200
1201     diff_x = wptr->view_x - view_x;
1202     diff_y = wptr->view_y - view_y;
1203     if (!diff_x && !diff_y)
1204         return False;
1205
1206     wptr->view_x = view_x;
1207     wptr->view_y = view_y;
1208
1209 #ifdef NETWM_HINTS
1210     wNETWMUpdateDesktop(scr);
1211 #endif
1212
1213     for (wwin = scr->focused_window; wwin; wwin = wwin->prev) {
1214         if (wwin->frame->workspace == workspace && !IS_VSTUCK(wwin)) {
1215             wWindowMove(wwin, wwin->frame_x + diff_x, wwin->frame_y + diff_y);
1216             adjust_flag = True;
1217         }
1218     }
1219     if (1) { /* if delay*/
1220         delay_configure.delay_count++;
1221         delay_configure.wwin = scr->focused_window;
1222         WMAddTimerHandler(200, (WMCallback *)sendConfigureNotify, &delay_configure);
1223     }
1224
1225     return adjust_flag;
1226 }
1227
1228
1229 #endif
1230
1231
1232 static void
1233 switchWSCommand(WMenu *menu, WMenuEntry *entry)
1234 {
1235     wWorkspaceChange(menu->frame->screen_ptr, (long)entry->clientdata);
1236 }
1237
1238
1239 static void
1240 deleteWSCommand(WMenu *menu, WMenuEntry *entry)
1241 {
1242     wWorkspaceDelete(menu->frame->screen_ptr,
1243                      menu->frame->screen_ptr->workspace_count-1);
1244 }
1245
1246
1247 static void
1248 newWSCommand(WMenu *menu, WMenuEntry *foo)
1249 {
1250     int ws;
1251
1252     ws = wWorkspaceNew(menu->frame->screen_ptr);
1253     /* autochange workspace*/
1254     if (ws>=0)
1255         wWorkspaceChange(menu->frame->screen_ptr, ws);
1256
1257
1258     /*
1259      if (ws<9) {
1260      int kcode;
1261      if (wKeyBindings[WKBD_WORKSPACE1+ws]) {
1262      kcode = wKeyBindings[WKBD_WORKSPACE1+ws]->keycode;
1263      entry->rtext =
1264      wstrdup(XKeysymToString(XKeycodeToKeysym(dpy, kcode, 0)));
1265      }
1266      }*/
1267 }
1268
1269
1270 static char*
1271 cropline(char *line)
1272 {
1273     char *start, *end;
1274
1275     if (strlen(line)==0)
1276         return line;
1277
1278     start = line;
1279     end = &(line[strlen(line)])-1;
1280     while (isspace(*line) && *line!=0) line++;
1281     while (isspace(*end) && end!=line) {
1282         *end=0;
1283         end--;
1284     }
1285     return line;
1286 }
1287
1288
1289 void
1290 wWorkspaceRename(WScreen *scr, int workspace, char *name)
1291 {
1292     char buf[MAX_WORKSPACENAME_WIDTH+1];
1293     char *tmp;
1294
1295     if (workspace >= scr->workspace_count)
1296         return;
1297
1298     /* trim white spaces */
1299     tmp = cropline(name);
1300
1301     if (strlen(tmp)==0) {
1302         snprintf(buf, sizeof(buf), _("Workspace %i"), workspace+1);
1303     } else {
1304         strncpy(buf, tmp, MAX_WORKSPACENAME_WIDTH);
1305     }
1306     buf[MAX_WORKSPACENAME_WIDTH] = 0;
1307
1308     /* update workspace */
1309     wfree(scr->workspaces[workspace]->name);
1310     scr->workspaces[workspace]->name = wstrdup(buf);
1311
1312     if (scr->clip_ws_menu) {
1313         if (strcmp(scr->clip_ws_menu->entries[workspace+2]->text, buf)!=0) {
1314             wfree(scr->clip_ws_menu->entries[workspace+2]->text);
1315             scr->clip_ws_menu->entries[workspace+2]->text = wstrdup(buf);
1316             wMenuRealize(scr->clip_ws_menu);
1317         }
1318     }
1319     if (scr->workspace_menu) {
1320         if (strcmp(scr->workspace_menu->entries[workspace+2]->text, buf)!=0) {
1321             wfree(scr->workspace_menu->entries[workspace+2]->text);
1322             scr->workspace_menu->entries[workspace+2]->text = wstrdup(buf);
1323             wMenuRealize(scr->workspace_menu);
1324         }
1325     }
1326
1327     if (scr->clip_icon)
1328         wClipIconPaint(scr->clip_icon);
1329
1330     WMPostNotificationName(WMNWorkspaceNameChanged, scr, (void*)workspace);
1331 }
1332
1333
1334
1335
1336 /* callback for when menu entry is edited */
1337 static void
1338 onMenuEntryEdited(WMenu *menu, WMenuEntry *entry)
1339 {
1340     char *tmp;
1341
1342     tmp = entry->text;
1343     wWorkspaceRename(menu->frame->screen_ptr, (long)entry->clientdata, tmp);
1344 }
1345
1346
1347 WMenu*
1348 wWorkspaceMenuMake(WScreen *scr, Bool titled)
1349 {
1350     WMenu *wsmenu;
1351
1352     wsmenu = wMenuCreate(scr, titled ? _("Workspaces") : NULL, False);
1353     if (!wsmenu) {
1354         wwarning(_("could not create Workspace menu"));
1355         return NULL;
1356     }
1357
1358     /* callback to be called when an entry is edited */
1359     wsmenu->on_edit = onMenuEntryEdited;
1360
1361     wMenuAddCallback(wsmenu, _("New"), newWSCommand, NULL);
1362     wMenuAddCallback(wsmenu, _("Destroy Last"), deleteWSCommand, NULL);
1363
1364     return wsmenu;
1365 }
1366
1367
1368
1369 void
1370 wWorkspaceMenuUpdate(WScreen *scr, WMenu *menu)
1371 {
1372     int i;
1373     long ws;
1374     char title[MAX_WORKSPACENAME_WIDTH+1];
1375     WMenuEntry *entry;
1376     int tmp;
1377
1378     if (!menu)
1379         return;
1380
1381     if (menu->entry_no < scr->workspace_count+2) {
1382         /* new workspace(s) added */
1383         i = scr->workspace_count-(menu->entry_no-2);
1384         ws = menu->entry_no - 2;
1385         while (i>0) {
1386             strcpy(title, scr->workspaces[ws]->name);
1387
1388             entry = wMenuAddCallback(menu, title, switchWSCommand, (void*)ws);
1389             entry->flags.indicator = 1;
1390             entry->flags.editable = 1;
1391
1392             i--;
1393             ws++;
1394         }
1395     } else if (menu->entry_no > scr->workspace_count+2) {
1396         /* removed workspace(s) */
1397         for (i = menu->entry_no-1; i >= scr->workspace_count+2; i--) {
1398             wMenuRemoveItem(menu, i);
1399         }
1400     }
1401     wMenuRealize(menu);
1402
1403     for (i=0; i<scr->workspace_count; i++) {
1404         menu->entries[i+2]->flags.indicator_on = 0;
1405     }
1406     menu->entries[scr->current_workspace+2]->flags.indicator_on = 1;
1407
1408     /* don't let user destroy current workspace */
1409     if (scr->current_workspace == scr->workspace_count-1) {
1410         wMenuSetEnabled(menu, 1, False);
1411     } else {
1412         wMenuSetEnabled(menu, 1, True);
1413     }
1414
1415     tmp = menu->frame->top_width + 5;
1416     /* if menu got unreachable, bring it to a visible place */
1417     if (menu->frame_x < tmp - (int)menu->frame->core->width)
1418         wMenuMove(menu, tmp - (int)menu->frame->core->width, menu->frame_y, False);
1419
1420     wMenuPaint(menu);
1421 }
1422
1423
1424 void
1425 wWorkspaceSaveState(WScreen *scr, WMPropList *old_state)
1426 {
1427     WMPropList *parr, *pstr, *wks_state, *old_wks_state, *foo, *bar;
1428     int i;
1429
1430     make_keys();
1431
1432     old_wks_state = WMGetFromPLDictionary(old_state, dWorkspaces);
1433     parr = WMCreatePLArray(NULL);
1434     for (i=0; i < scr->workspace_count; i++) {
1435         pstr = WMCreatePLString(scr->workspaces[i]->name);
1436         wks_state = WMCreatePLDictionary(dName, pstr, NULL);
1437         WMReleasePropList(pstr);
1438         if (!wPreferences.flags.noclip) {
1439             pstr = wClipSaveWorkspaceState(scr, i);
1440             WMPutInPLDictionary(wks_state, dClip, pstr);
1441             WMReleasePropList(pstr);
1442         } else if (old_wks_state!=NULL) {
1443             if ((foo = WMGetFromPLArray(old_wks_state, i))!=NULL) {
1444                 if ((bar = WMGetFromPLDictionary(foo, dClip))!=NULL) {
1445                     WMPutInPLDictionary(wks_state, dClip, bar);
1446                 }
1447             }
1448         }
1449         WMAddToPLArray(parr, wks_state);
1450         WMReleasePropList(wks_state);
1451     }
1452     WMPutInPLDictionary(scr->session_state, dWorkspaces, parr);
1453     WMReleasePropList(parr);
1454 }
1455
1456
1457 void
1458 wWorkspaceRestoreState(WScreen *scr)
1459 {
1460     WMPropList *parr, *pstr, *wks_state, *clip_state;
1461     int i, j, wscount;
1462
1463     make_keys();
1464
1465     if (scr->session_state == NULL)
1466         return;
1467
1468     parr = WMGetFromPLDictionary(scr->session_state, dWorkspaces);
1469
1470     if (!parr)
1471         return;
1472
1473     wscount = scr->workspace_count;
1474     for (i=0; i < WMIN(WMGetPropListItemCount(parr), MAX_WORKSPACES); i++) {
1475         wks_state = WMGetFromPLArray(parr, i);
1476         if (WMIsPLDictionary(wks_state))
1477             pstr = WMGetFromPLDictionary(wks_state, dName);
1478         else
1479             pstr = wks_state;
1480         if (i >= scr->workspace_count)
1481             wWorkspaceNew(scr);
1482         if (scr->workspace_menu) {
1483             wfree(scr->workspace_menu->entries[i+2]->text);
1484             scr->workspace_menu->entries[i+2]->text = wstrdup(WMGetFromPLString(pstr));
1485             scr->workspace_menu->flags.realized = 0;
1486         }
1487         wfree(scr->workspaces[i]->name);
1488         scr->workspaces[i]->name = wstrdup(WMGetFromPLString(pstr));
1489         if (!wPreferences.flags.noclip) {
1490             clip_state = WMGetFromPLDictionary(wks_state, dClip);
1491             if (scr->workspaces[i]->clip)
1492                 wDockDestroy(scr->workspaces[i]->clip);
1493             scr->workspaces[i]->clip = wDockRestoreState(scr, clip_state,
1494                                                          WM_CLIP);
1495             if (i>0)
1496                 wDockHideIcons(scr->workspaces[i]->clip);
1497
1498             /* We set the global icons here, because scr->workspaces[i]->clip
1499              * was not valid in wDockRestoreState().
1500              * There we only set icon->omnipresent to know which icons we
1501              * need to set here.
1502              */
1503             for (j=0; j<scr->workspaces[i]->clip->max_icons; j++) {
1504                 WAppIcon *aicon = scr->workspaces[i]->clip->icon_array[j];
1505
1506                 if (aicon && aicon->omnipresent) {
1507                     aicon->omnipresent = 0;
1508                     wClipMakeIconOmnipresent(aicon, True);
1509                     XMapWindow(dpy, aicon->icon->core->window);
1510                 }
1511             }
1512         }
1513
1514         WMPostNotificationName(WMNWorkspaceNameChanged, scr, (void*)i);
1515     }
1516 }
1517
1518