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 along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 #ifdef SHAPE
  26 #include <X11/extensions/shape.h>
  27 #endif
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <stdint.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 "framewin.h"
  40 #include "window.h"
  41 #include "icon.h"
  42 #include "funcs.h"
  43 #include "menu.h"
  44 #include "application.h"
  45 #include "dock.h"
  46 #include "actions.h"
  47 #include "workspace.h"
  48 #include "appicon.h"
  49 #include "wmspec.h"
  50 #include "xinerama.h"
  51
  52 #define MC_NEW          0
  53 #define MC_DESTROY_LAST 1
  54 /* index of the first workspace menu entry */
  55 #define MC_WORKSPACE1   2
  56
  57 #define MAX_SHORTCUT_LENGTH 32
  58 #define WORKSPACE_NAME_DISPLAY_PADDING 32
  59
  60 extern int ignore_wks_change;
  61 extern WPreferences wPreferences;
  62 extern XContext wVEdgeContext;
  63 extern void ProcessPendingEvents();
  64
  65 static WMPropList *dWorkspaces = NULL;
  66 static WMPropList *dClip, *dName;
  67
  68 static void make_keys(void)
  69 {
  70         if (dWorkspaces != NULL)
  71                 return;
  72
  73         dWorkspaces = WMCreatePLString("Workspaces");
  74         dName = WMCreatePLString("Name");
  75         dClip = WMCreatePLString("Clip");
  76 }
  77
  78 void wWorkspaceMake(WScreen * scr, int count)
  79 {
  80         while (count > 0) {
  81                 wWorkspaceNew(scr);
  82                 count--;
  83         }
  84 }
  85
  86 int wWorkspaceNew(WScreen *scr)
  87 {
  88         WWorkspace *wspace, **list;
  89         int i;
  90
  91         if (scr->workspace_count < MAX_WORKSPACES) {
  92                 scr->workspace_count++;
  93
  94                 wspace = wmalloc(sizeof(WWorkspace));
  95                 wspace->name = NULL;
  96                 wspace->clip = NULL;
  97
  98                 if (!wspace->name) {
  99                         wspace->name = wmalloc(strlen(_("Workspace %i")) + 8);
 100                         sprintf(wspace->name, _("Workspace %i"), scr->workspace_count);
 101                 }
 102
 103                 if (!wPreferences.flags.noclip)
 104                         wspace->clip = wDockCreate(scr, WM_CLIP);
 105
 106                 list = wmalloc(sizeof(WWorkspace *) * scr->workspace_count);
 107
 108                 for (i = 0; i < scr->workspace_count - 1; i++)
 109                         list[i] = scr->workspaces[i];
 110
 111                 list[i] = wspace;
 112                 if (scr->workspaces)
 113                         wfree(scr->workspaces);
 114
 115                 scr->workspaces = list;
 116
 117                 wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 118                 wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 119                 wNETWMUpdateDesktop(scr);
 120                 WMPostNotificationName(WMNWorkspaceCreated, scr, (void *)(uintptr_t) (scr->workspace_count - 1));
 121                 XFlush(dpy);
 122
 123                 return scr->workspace_count - 1;
 124         }
 125
 126         return -1;
 127 }
 128
 129 Bool wWorkspaceDelete(WScreen * scr, int workspace)
 130 {
 131         WWindow *tmp;
 132         WWorkspace **list;
 133         int i, j;
 134
 135         if (workspace <= 0)
 136                 return False;
 137
 138         /* verify if workspace is in use by some window */
 139         tmp = scr->focused_window;
 140         while (tmp) {
 141                 if (!IS_OMNIPRESENT(tmp) && tmp->frame->workspace == workspace)
 142                         return False;
 143                 tmp = tmp->prev;
 144         }
 145
 146         if (!wPreferences.flags.noclip) {
 147                 wDockDestroy(scr->workspaces[workspace]->clip);
 148                 scr->workspaces[workspace]->clip = NULL;
 149         }
 150
 151         list = wmalloc(sizeof(WWorkspace *) * (scr->workspace_count - 1));
 152         j = 0;
 153         for (i = 0; i < scr->workspace_count; i++) {
 154                 if (i != workspace) {
 155                         list[j++] = scr->workspaces[i];
 156                 } else {
 157                         if (scr->workspaces[i]->name)
 158                                 wfree(scr->workspaces[i]->name);
 159                         wfree(scr->workspaces[i]);
 160                 }
 161         }
 162         wfree(scr->workspaces);
 163         scr->workspaces = list;
 164
 165         scr->workspace_count--;
 166
 167         /* update menu */
 168         wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 169         /* clip workspace menu */
 170         wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 171
 172         /* update also window menu */
 173         if (scr->workspace_submenu) {
 174                 WMenu *menu = scr->workspace_submenu;
 175
 176                 i = menu->entry_no;
 177                 while (i > scr->workspace_count)
 178                         wMenuRemoveItem(menu, --i);
 179                 wMenuRealize(menu);
 180         }
 181         /* and clip menu */
 182         if (scr->clip_submenu) {
 183                 WMenu *menu = scr->clip_submenu;
 184
 185                 i = menu->entry_no;
 186                 while (i > scr->workspace_count)
 187                         wMenuRemoveItem(menu, --i);
 188                 wMenuRealize(menu);
 189         }
 190         wNETWMUpdateDesktop(scr);
 191         WMPostNotificationName(WMNWorkspaceDestroyed, scr, (void *)(uintptr_t) (scr->workspace_count - 1));
 192
 193         if (scr->current_workspace >= scr->workspace_count)
 194                 wWorkspaceChange(scr, scr->workspace_count - 1);
 195
 196         return True;
 197 }
 198
 199 typedef struct WorkspaceNameData {
 200         int count;
 201         RImage *back;
 202         RImage *text;
 203         time_t timeout;
 204 } WorkspaceNameData;
 205
 206 static void hideWorkspaceName(void *data)
 207 {
 208         WScreen *scr = (WScreen *) data;
 209
 210         if (!scr->workspace_name_data || scr->workspace_name_data->count == 0
 211             || time(NULL) > scr->workspace_name_data->timeout) {
 212                 XUnmapWindow(dpy, scr->workspace_name);
 213
 214                 if (scr->workspace_name_data) {
 215                         RReleaseImage(scr->workspace_name_data->back);
 216                         RReleaseImage(scr->workspace_name_data->text);
 217                         wfree(scr->workspace_name_data);
 218
 219                         scr->workspace_name_data = NULL;
 220                 }
 221                 scr->workspace_name_timer = NULL;
 222         } else {
 223                 RImage *img = RCloneImage(scr->workspace_name_data->back);
 224                 Pixmap pix;
 225
 226                 scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_FADE_DELAY, hideWorkspaceName, scr);
 227
 228                 RCombineImagesWithOpaqueness(img, scr->workspace_name_data->text,
 229                                              scr->workspace_name_data->count * 255 / 10);
 230
 231                 RConvertImage(scr->rcontext, img, &pix);
 232
 233                 RReleaseImage(img);
 234
 235                 XSetWindowBackgroundPixmap(dpy, scr->workspace_name, pix);
 236                 XClearWindow(dpy, scr->workspace_name);
 237                 XFreePixmap(dpy, pix);
 238                 XFlush(dpy);
 239
 240                 scr->workspace_name_data->count--;
 241         }
 242 }
 243
 244 static void showWorkspaceName(WScreen * scr, int workspace)
 245 {
 246         WorkspaceNameData *data;
 247         RXImage *ximg;
 248         Pixmap text, mask;
 249         int w, h;
 250         int px, py;
 251         char *name = scr->workspaces[workspace]->name;
 252         int len = strlen(name);
 253         int x, y;
 254 #ifdef XINERAMA
 255         int head;
 256         WMRect rect;
 257         int xx, yy;
 258 #endif
 259
 260         if (wPreferences.workspace_name_display_position == WD_NONE || scr->workspace_count < 2) {
 261                 return;
 262         }
 263
 264         if (scr->workspace_name_timer) {
 265                 WMDeleteTimerHandler(scr->workspace_name_timer);
 266                 XUnmapWindow(dpy, scr->workspace_name);
 267                 XFlush(dpy);
 268         }
 269         scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY, hideWorkspaceName, scr);
 270
 271         if (scr->workspace_name_data) {
 272                 RReleaseImage(scr->workspace_name_data->back);
 273                 RReleaseImage(scr->workspace_name_data->text);
 274                 wfree(scr->workspace_name_data);
 275         }
 276
 277         data = wmalloc(sizeof(WorkspaceNameData));
 278         data->back = NULL;
 279
 280         w = WMWidthOfString(scr->workspace_name_font, name, len);
 281         h = WMFontHeight(scr->workspace_name_font);
 282
 283 #ifdef XINERAMA
 284         head = wGetHeadForPointerLocation(scr);
 285         rect = wGetRectForHead(scr, head);
 286         if (scr->xine_info.count) {
 287                 xx = rect.pos.x + (scr->xine_info.screens[head].size.width - (w + 4)) / 2;
 288                 yy = rect.pos.y + (scr->xine_info.screens[head].size.height - (h + 4)) / 2;
 289         }
 290         else {
 291                 xx = (scr->scr_width - (w + 4)) / 2;
 292                 yy = (scr->scr_height - (h + 4)) / 2;
 293         }
 294 #endif
 295
 296         switch (wPreferences.workspace_name_display_position) {
 297         case WD_TOP:
 298 #ifdef XINERAMA
 299                 px = xx;
 300 #else
 301                 px = (scr->scr_width - (w + 4)) / 2;
 302 #endif
 303                 py = WORKSPACE_NAME_DISPLAY_PADDING;
 304                 break;
 305         case WD_BOTTOM:
 306 #ifdef XINERAMA
 307                 px = xx;
 308 #else
 309                 px = (scr->scr_width - (w + 4)) / 2;
 310 #endif
 311                 py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
 312                 break;
 313         case WD_TOPLEFT:
 314                 px = WORKSPACE_NAME_DISPLAY_PADDING;
 315                 py = WORKSPACE_NAME_DISPLAY_PADDING;
 316                 break;
 317         case WD_TOPRIGHT:
 318                 px = scr->scr_width - (w + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
 319                 py = WORKSPACE_NAME_DISPLAY_PADDING;
 320                 break;
 321         case WD_BOTTOMLEFT:
 322                 px = WORKSPACE_NAME_DISPLAY_PADDING;
 323                 py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
 324                 break;
 325         case WD_BOTTOMRIGHT:
 326                 px = scr->scr_width - (w + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
 327                 py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
 328                 break;
 329         case WD_CENTER:
 330         default:
 331 #ifdef XINERAMA
 332                 px = xx;
 333                 py = yy;
 334 #else
 335                 px = (scr->scr_width - (w + 4)) / 2;
 336                 py = (scr->scr_height - (h + 4)) / 2;
 337 #endif
 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, scr->workspace_name_font, x, y, name, len);
 354                 }
 355         }
 356
 357         XSetForeground(dpy, scr->mono_gc, 1);
 358         XSetBackground(dpy, scr->mono_gc, 0);
 359
 360         XCopyPlane(dpy, text, mask, scr->mono_gc, 0, 0, w + 4, h + 4, 0, 0, 1 << (scr->w_depth - 1));
 361
 362         /*XSetForeground(dpy, scr->mono_gc, 1); */
 363         XSetBackground(dpy, scr->mono_gc, 1);
 364
 365         XFillRectangle(dpy, text, WMColorGC(scr->black), 0, 0, w + 4, h + 4);
 366
 367         WMDrawString(scr->wmscreen, text, scr->white, scr->workspace_name_font, 2, 2, name, len);
 368
 369 #ifdef SHAPE
 370         XShapeCombineMask(dpy, scr->workspace_name, ShapeBounding, 0, 0, mask, ShapeSet);
 371 #endif
 372         XSetWindowBackgroundPixmap(dpy, scr->workspace_name, text);
 373         XClearWindow(dpy, scr->workspace_name);
 374
 375         data->text = RCreateImageFromDrawable(scr->rcontext, text, None);
 376
 377         XFreePixmap(dpy, text);
 378         XFreePixmap(dpy, mask);
 379
 380         if (!data->text) {
 381                 XMapRaised(dpy, scr->workspace_name);
 382                 XFlush(dpy);
 383
 384                 goto erro;
 385         }
 386
 387         ximg = RGetXImage(scr->rcontext, scr->root_win, px, py, data->text->width, data->text->height);
 388
 389         if (!ximg || !ximg->image) {
 390                 goto erro;
 391         }
 392
 393         XMapRaised(dpy, scr->workspace_name);
 394         XFlush(dpy);
 395
 396         data->back = RCreateImageFromXImage(scr->rcontext, ximg->image, NULL);
 397         RDestroyXImage(scr->rcontext, ximg);
 398
 399         if (!data->back) {
 400                 goto erro;
 401         }
 402
 403         data->count = 10;
 404
 405         /* set a timeout for the effect */
 406         data->timeout = time(NULL) + 2 + (WORKSPACE_NAME_DELAY + WORKSPACE_NAME_FADE_DELAY * data->count) / 1000;
 407
 408         scr->workspace_name_data = data;
 409
 410         return;
 411
 412  erro:
 413         if (scr->workspace_name_timer)
 414                 WMDeleteTimerHandler(scr->workspace_name_timer);
 415
 416         if (data->text)
 417                 RReleaseImage(data->text);
 418         if (data->back)
 419                 RReleaseImage(data->back);
 420         wfree(data);
 421
 422         scr->workspace_name_data = NULL;
 423
 424         scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY +
 425                                                       10 * WORKSPACE_NAME_FADE_DELAY, hideWorkspaceName, scr);
 426 }
 427
 428 void wWorkspaceChange(WScreen *scr, int workspace)
 429 {
 430         if (scr->flags.startup || scr->flags.startup2 || scr->flags.ignore_focus_events)
 431                 return;
 432
 433         if (workspace != scr->current_workspace)
 434                 wWorkspaceForceChange(scr, workspace);
 435 }
 436
 437 void wWorkspaceRelativeChange(WScreen * scr, int amount)
 438 {
 439         int w;
 440
 441         /* While the deiconify animation is going on the window is
 442          * still "flying" to its final position and we don't want to
 443          * change workspace before the animation finishes, otherwise
 444          * the window will land in the new workspace */
 445         if (ignore_wks_change)
 446                 return;
 447
 448         w = scr->current_workspace + amount;
 449
 450         if (amount < 0) {
 451                 if (w >= 0) {
 452                         wWorkspaceChange(scr, w);
 453                 } else if (wPreferences.ws_cycle) {
 454                         wWorkspaceChange(scr, scr->workspace_count + w);
 455                 }
 456         } else if (amount > 0) {
 457                 if (w < scr->workspace_count) {
 458                         wWorkspaceChange(scr, w);
 459                 } else if (wPreferences.ws_advance) {
 460                         wWorkspaceChange(scr, WMIN(w, MAX_WORKSPACES - 1));
 461                 } else if (wPreferences.ws_cycle) {
 462                         wWorkspaceChange(scr, w % scr->workspace_count);
 463                 }
 464         }
 465 }
 466
 467 void wWorkspaceForceChange(WScreen * scr, int workspace)
 468 {
 469         WWindow *tmp, *foc = NULL, *foc2 = NULL;
 470
 471         if (workspace >= MAX_WORKSPACES || workspace < 0)
 472                 return;
 473
 474         SendHelperMessage(scr, 'C', workspace + 1, NULL);
 475
 476         if (workspace > scr->workspace_count - 1) {
 477                 wWorkspaceMake(scr, workspace - scr->workspace_count + 1);
 478         }
 479
 480         wClipUpdateForWorkspaceChange(scr, workspace);
 481
 482         scr->current_workspace = workspace;
 483
 484         wWorkspaceMenuUpdate(scr, scr->workspace_menu);
 485
 486         wWorkspaceMenuUpdate(scr, scr->clip_ws_menu);
 487
 488         if ((tmp = scr->focused_window) != NULL) {
 489                 if ((IS_OMNIPRESENT(tmp) && (tmp->flags.mapped || tmp->flags.shaded) &&
 490                      !WFLAGP(tmp, no_focusable)) || tmp->flags.changing_workspace) {
 491                         foc = tmp;
 492                 }
 493
 494                 /* foc2 = tmp; will fix annoyance with gnome panel
 495                  * but will create annoyance for every other application
 496                  */
 497                 while (tmp) {
 498                         if (tmp->frame->workspace != workspace && !tmp->flags.selected) {
 499                                 /* unmap windows not on this workspace */
 500                                 if ((tmp->flags.mapped || tmp->flags.shaded) &&
 501                                     !IS_OMNIPRESENT(tmp) && !tmp->flags.changing_workspace) {
 502                                         wWindowUnmap(tmp);
 503                                 }
 504                                 /* also unmap miniwindows not on this workspace */
 505                                 if (!wPreferences.sticky_icons && tmp->flags.miniaturized &&
 506                                     tmp->icon && !IS_OMNIPRESENT(tmp)) {
 507                                         XUnmapWindow(dpy, tmp->icon->core->window);
 508                                         tmp->icon->mapped = 0;
 509                                 }
 510                                 /* update current workspace of omnipresent windows */
 511                                 if (IS_OMNIPRESENT(tmp)) {
 512                                         WApplication *wapp = wApplicationOf(tmp->main_window);
 513
 514                                         tmp->frame->workspace = workspace;
 515
 516                                         if (wapp) {
 517                                                 wapp->last_workspace = workspace;
 518                                         }
 519                                         if (!foc2 && (tmp->flags.mapped || tmp->flags.shaded)) {
 520                                                 foc2 = tmp;
 521                                         }
 522                                 }
 523                         } else {
 524                                 /* change selected windows' workspace */
 525                                 if (tmp->flags.selected) {
 526                                         wWindowChangeWorkspace(tmp, workspace);
 527                                         if (!tmp->flags.miniaturized && !foc) {
 528                                                 foc = tmp;
 529                                         }
 530                                 } else {
 531                                         if (!tmp->flags.hidden) {
 532                                                 if (!(tmp->flags.mapped || tmp->flags.miniaturized)) {
 533                                                         /* remap windows that are on this workspace */
 534                                                         wWindowMap(tmp);
 535                                                         if (!foc && !WFLAGP(tmp, no_focusable)) {
 536                                                                 foc = tmp;
 537                                                         }
 538                                                 }
 539                                                 /* Also map miniwindow if not omnipresent */
 540                                                 if (!wPreferences.sticky_icons &&
 541                                                     tmp->flags.miniaturized && !IS_OMNIPRESENT(tmp) && tmp->icon) {
 542                                                         tmp->icon->mapped = 1;
 543                                                         XMapWindow(dpy, tmp->icon->core->window);
 544                                                 }
 545                                         }
 546                                 }
 547                         }
 548                         tmp = tmp->prev;
 549                 }
 550
 551                 /* Gobble up events unleashed by our mapping & unmapping.
 552                  * These may trigger various grab-initiated focus &
 553                  * crossing events. However, we don't care about them,
 554                  * and ignore their focus implications altogether to avoid
 555                  * flicker.
 556                  */
 557                 scr->flags.ignore_focus_events = 1;
 558                 ProcessPendingEvents();
 559                 scr->flags.ignore_focus_events = 0;
 560
 561                 if (!foc)
 562                         foc = foc2;
 563
 564                 if (scr->focused_window->flags.mapped && !foc) {
 565                         foc = scr->focused_window;
 566                 }
 567                 if (wPreferences.focus_mode == WKF_CLICK) {
 568                         wSetFocusTo(scr, foc);
 569                 } else {
 570                         unsigned int mask;
 571                         int foo;
 572                         Window bar, win;
 573                         WWindow *tmp;
 574
 575                         tmp = NULL;
 576                         if (XQueryPointer(dpy, scr->root_win, &bar, &win, &foo, &foo, &foo, &foo, &mask)) {
 577                                 tmp = wWindowFor(win);
 578                         }
 579
 580                         /* If there's a window under the pointer, focus it.
 581                          * (we ate all other focus events above, so it's
 582                          * certainly not focused). Otherwise focus last
 583                          * focused, or the root (depending on sloppiness)
 584                          */
 585                         if (!tmp && wPreferences.focus_mode == WKF_SLOPPY) {
 586                                 wSetFocusTo(scr, foc);
 587                         } else {
 588                                 wSetFocusTo(scr, tmp);
 589                         }
 590                 }
 591         }
 592
 593         /* We need to always arrange icons when changing workspace, even if
 594          * no autoarrange icons, because else the icons in different workspaces
 595          * can be superposed.
 596          * This can be avoided if appicons are also workspace specific.
 597          */
 598         if (!wPreferences.sticky_icons)
 599                 wArrangeIcons(scr, False);
 600
 601         if (scr->dock)
 602                 wAppIconPaint(scr->dock->icon_array[0]);
 603
 604         if (scr->clip_icon) {
 605                 if (scr->workspaces[workspace]->clip->auto_collapse ||
 606                     scr->workspaces[workspace]->clip->auto_raise_lower) {
 607                         /* to handle enter notify. This will also */
 608                         XUnmapWindow(dpy, scr->clip_icon->icon->core->window);
 609                         XMapWindow(dpy, scr->clip_icon->icon->core->window);
 610                 } else {
 611                         wClipIconPaint(scr->clip_icon);
 612                 }
 613         }
 614         wScreenUpdateUsableArea(scr);
 615         wNETWMUpdateDesktop(scr);
 616         showWorkspaceName(scr, workspace);
 617
 618         WMPostNotificationName(WMNWorkspaceChanged, scr, (void *)(uintptr_t) workspace);
 619
 620         /*   XSync(dpy, False); */
 621 }
 622
 623 static void switchWSCommand(WMenu * menu, WMenuEntry * entry)
 624 {
 625         wWorkspaceChange(menu->frame->screen_ptr, (long)entry->clientdata);
 626 }
 627
 628 static void deleteWSCommand(WMenu * menu, WMenuEntry * entry)
 629 {
 630         wWorkspaceDelete(menu->frame->screen_ptr, menu->frame->screen_ptr->workspace_count - 1);
 631 }
 632
 633 static void newWSCommand(WMenu *menu, WMenuEntry *foo)
 634 {
 635         int ws;
 636
 637         ws = wWorkspaceNew(menu->frame->screen_ptr);
 638
 639         /* autochange workspace */
 640         if (ws >= 0)
 641                 wWorkspaceChange(menu->frame->screen_ptr, ws);
 642 }
 643
 644 void wWorkspaceRename(WScreen * scr, int workspace, char *name)
 645 {
 646         char buf[MAX_WORKSPACENAME_WIDTH + 1];
 647         char *tmp;
 648
 649         if (workspace >= scr->workspace_count)
 650                 return;
 651
 652         /* trim white spaces */
 653         tmp = wtrimspace(name);
 654
 655         if (strlen(tmp) == 0) {
 656                 snprintf(buf, sizeof(buf), _("Workspace %i"), workspace + 1);
 657         } else {
 658                 strncpy(buf, tmp, MAX_WORKSPACENAME_WIDTH);
 659         }
 660         buf[MAX_WORKSPACENAME_WIDTH] = 0;
 661         wfree(tmp);
 662
 663         /* update workspace */
 664         wfree(scr->workspaces[workspace]->name);
 665         scr->workspaces[workspace]->name = wstrdup(buf);
 666
 667         if (scr->clip_ws_menu) {
 668                 if (strcmp(scr->clip_ws_menu->entries[workspace + MC_WORKSPACE1]->text, buf) != 0) {
 669                         wfree(scr->clip_ws_menu->entries[workspace + MC_WORKSPACE1]->text);
 670                         scr->clip_ws_menu->entries[workspace + MC_WORKSPACE1]->text = wstrdup(buf);
 671                         wMenuRealize(scr->clip_ws_menu);
 672                 }
 673         }
 674         if (scr->workspace_menu) {
 675                 if (strcmp(scr->workspace_menu->entries[workspace + MC_WORKSPACE1]->text, buf) != 0) {
 676                         wfree(scr->workspace_menu->entries[workspace + MC_WORKSPACE1]->text);
 677                         scr->workspace_menu->entries[workspace + MC_WORKSPACE1]->text = wstrdup(buf);
 678                         wMenuRealize(scr->workspace_menu);
 679                 }
 680         }
 681
 682         if (scr->clip_icon)
 683                 wClipIconPaint(scr->clip_icon);
 684
 685         WMPostNotificationName(WMNWorkspaceNameChanged, scr, (void *)(uintptr_t) workspace);
 686 }
 687
 688 /* callback for when menu entry is edited */
 689 static void onMenuEntryEdited(WMenu * menu, WMenuEntry * entry)
 690 {
 691         char *tmp;
 692
 693         tmp = entry->text;
 694         wWorkspaceRename(menu->frame->screen_ptr, (long)entry->clientdata, tmp);
 695 }
 696
 697 WMenu *wWorkspaceMenuMake(WScreen * scr, Bool titled)
 698 {
 699         WMenu *wsmenu;
 700
 701         wsmenu = wMenuCreate(scr, titled ? _("Workspaces") : NULL, False);
 702         if (!wsmenu) {
 703                 wwarning(_("could not create Workspace menu"));
 704                 return NULL;
 705         }
 706
 707         /* callback to be called when an entry is edited */
 708         wsmenu->on_edit = onMenuEntryEdited;
 709
 710         wMenuAddCallback(wsmenu, _("New"), newWSCommand, NULL);
 711         wMenuAddCallback(wsmenu, _("Destroy Last"), deleteWSCommand, NULL);
 712
 713         return wsmenu;
 714 }
 715
 716 void wWorkspaceMenuUpdate(WScreen * scr, WMenu * menu)
 717 {
 718         int i;
 719         long ws;
 720         char title[MAX_WORKSPACENAME_WIDTH + 1];
 721         WMenuEntry *entry;
 722         int tmp;
 723
 724         if (!menu)
 725                 return;
 726
 727         if (menu->entry_no < scr->workspace_count + MC_WORKSPACE1) {
 728                 /* new workspace(s) added */
 729                 i = scr->workspace_count - (menu->entry_no - MC_WORKSPACE1);
 730                 ws = menu->entry_no - MC_WORKSPACE1;
 731                 while (i > 0) {
 732                         wstrlcpy(title, scr->workspaces[ws]->name, MAX_WORKSPACENAME_WIDTH);
 733
 734                         entry = wMenuAddCallback(menu, title, switchWSCommand, (void *)ws);
 735                         entry->flags.indicator = 1;
 736                         entry->flags.editable = 1;
 737
 738                         i--;
 739                         ws++;
 740                 }
 741         } else if (menu->entry_no > scr->workspace_count + MC_WORKSPACE1) {
 742                 /* removed workspace(s) */
 743                 for (i = menu->entry_no - 1; i >= scr->workspace_count + MC_WORKSPACE1; i--) {
 744                         wMenuRemoveItem(menu, i);
 745                 }
 746         }
 747         wMenuRealize(menu);
 748
 749         for (i = 0; i < scr->workspace_count; i++) {
 750                 menu->entries[i + MC_WORKSPACE1]->flags.indicator_on = 0;
 751         }
 752         menu->entries[scr->current_workspace + MC_WORKSPACE1]->flags.indicator_on = 1;
 753
 754         /* don't let user destroy current workspace */
 755         if (scr->current_workspace == scr->workspace_count - 1) {
 756                 wMenuSetEnabled(menu, MC_DESTROY_LAST, False);
 757         } else {
 758                 wMenuSetEnabled(menu, MC_DESTROY_LAST, True);
 759         }
 760
 761         tmp = menu->frame->top_width + 5;
 762         /* if menu got unreachable, bring it to a visible place */
 763         if (menu->frame_x < tmp - (int)menu->frame->core->width)
 764                 wMenuMove(menu, tmp - (int)menu->frame->core->width, menu->frame_y, False);
 765
 766         wMenuPaint(menu);
 767 }
 768
 769 void wWorkspaceSaveState(WScreen * scr, WMPropList * old_state)
 770 {
 771         WMPropList *parr, *pstr, *wks_state, *old_wks_state, *foo, *bar;
 772         int i;
 773
 774         make_keys();
 775
 776         old_wks_state = WMGetFromPLDictionary(old_state, dWorkspaces);
 777         parr = WMCreatePLArray(NULL);
 778         for (i = 0; i < scr->workspace_count; i++) {
 779                 pstr = WMCreatePLString(scr->workspaces[i]->name);
 780                 wks_state = WMCreatePLDictionary(dName, pstr, NULL);
 781                 WMReleasePropList(pstr);
 782                 if (!wPreferences.flags.noclip) {
 783                         pstr = wClipSaveWorkspaceState(scr, i);
 784                         WMPutInPLDictionary(wks_state, dClip, pstr);
 785                         WMReleasePropList(pstr);
 786                 } else if (old_wks_state != NULL) {
 787                         if ((foo = WMGetFromPLArray(old_wks_state, i)) != NULL) {
 788                                 if ((bar = WMGetFromPLDictionary(foo, dClip)) != NULL) {
 789                                         WMPutInPLDictionary(wks_state, dClip, bar);
 790                                 }
 791                         }
 792                 }
 793                 WMAddToPLArray(parr, wks_state);
 794                 WMReleasePropList(wks_state);
 795         }
 796         WMPutInPLDictionary(scr->session_state, dWorkspaces, parr);
 797         WMReleasePropList(parr);
 798 }
 799
 800 void wWorkspaceRestoreState(WScreen *scr)
 801 {
 802         WMPropList *parr, *pstr, *wks_state, *clip_state;
 803         int i, j;
 804
 805         make_keys();
 806
 807         if (scr->session_state == NULL)
 808                 return;
 809
 810         parr = WMGetFromPLDictionary(scr->session_state, dWorkspaces);
 811
 812         if (!parr)
 813                 return;
 814
 815         for (i = 0; i < WMIN(WMGetPropListItemCount(parr), MAX_WORKSPACES); i++) {
 816                 wks_state = WMGetFromPLArray(parr, i);
 817                 if (WMIsPLDictionary(wks_state))
 818                         pstr = WMGetFromPLDictionary(wks_state, dName);
 819                 else
 820                         pstr = wks_state;
 821
 822                 if (i >= scr->workspace_count)
 823                         wWorkspaceNew(scr);
 824
 825                 if (scr->workspace_menu) {
 826                         wfree(scr->workspace_menu->entries[i + MC_WORKSPACE1]->text);
 827                         scr->workspace_menu->entries[i + MC_WORKSPACE1]->text = wstrdup(WMGetFromPLString(pstr));
 828                         scr->workspace_menu->flags.realized = 0;
 829                 }
 830
 831                 wfree(scr->workspaces[i]->name);
 832                 scr->workspaces[i]->name = wstrdup(WMGetFromPLString(pstr));
 833                 if (!wPreferences.flags.noclip) {
 834                         int added_omnipresent_icons = 0;
 835
 836                         clip_state = WMGetFromPLDictionary(wks_state, dClip);
 837                         if (scr->workspaces[i]->clip)
 838                                 wDockDestroy(scr->workspaces[i]->clip);
 839
 840                         scr->workspaces[i]->clip = wDockRestoreState(scr, clip_state, WM_CLIP);
 841                         if (i > 0)
 842                                 wDockHideIcons(scr->workspaces[i]->clip);
 843
 844                         /* We set the global icons here, because scr->workspaces[i]->clip
 845                          * was not valid in wDockRestoreState().
 846                          * There we only set icon->omnipresent to know which icons we
 847                          * need to set here.
 848                          */
 849                         for (j = 0; j < scr->workspaces[i]->clip->max_icons; j++) {
 850                                 WAppIcon *aicon = scr->workspaces[i]->clip->icon_array[j];
 851                                 int k;
 852
 853                                 if (!aicon || !aicon->omnipresent)
 854                                         continue;
 855                                 aicon->omnipresent = 0;
 856                                 if (wClipMakeIconOmnipresent(aicon, True) != WO_SUCCESS)
 857                                         continue;
 858                                 if (i == 0)
 859                                         continue;
 860
 861                                 /* Move this appicon from workspace i to workspace 0 */
 862                                 scr->workspaces[i]->clip->icon_array[j] = NULL;
 863                                 scr->workspaces[i]->clip->icon_count--;
 864
 865                                 added_omnipresent_icons++;
 866                                 /* If there are too many omnipresent appicons, we are in trouble */
 867                                 assert(scr->workspaces[0]->clip->icon_count + added_omnipresent_icons
 868                                        <= scr->workspaces[0]->clip->max_icons);
 869                                 /* Find first free spot on workspace 0 */
 870                                 for (k = 0; k < scr->workspaces[0]->clip->max_icons; k++)
 871                                         if (scr->workspaces[0]->clip->icon_array[k] == NULL)
 872                                                 break;
 873                                 scr->workspaces[0]->clip->icon_array[k] = aicon;
 874                                 aicon->dock = scr->workspaces[0]->clip;
 875                         }
 876                         scr->workspaces[0]->clip->icon_count += added_omnipresent_icons;
 877                 }
 878
 879                 WMPostNotificationName(WMNWorkspaceNameChanged, scr, (void *)(uintptr_t) i);
 880         }
 881 }
 882
 883 /* Returns the workspace number for a given workspace name */
 884 int wGetWorkspaceNumber(WScreen * scr, char * value)
 885 {
 886         int w, i;
 887
 888         if (sscanf(value, "%i", &w) != 1) {
 889                 w = -1;
 890                 for (i = 0; i < scr->workspace_count; i++) {
 891                         if (strcmp(scr->workspaces[i]->name, value) == 0) {
 892                                 w = i;
 893                                 break;
 894                         }
 895                 }
 896         } else {
 897                 w--;
 898         }
 899
 900         return w;
 901 }