src/appicon.c

   1 /* appicon.c- icon for applications (not mini-window)
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   6  *  Copyright (c) 1998       Dan Pascu
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21  *  USA.
  22  */
  23
  24 #include "wconfig.h"
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xutil.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "WindowMaker.h"
  32 #include "wcore.h"
  33 #include "window.h"
  34 #include "icon.h"
  35 #include "appicon.h"
  36 #include "actions.h"
  37 #include "stacking.h"
  38 #include "dock.h"
  39 #include "funcs.h"
  40 #include "defaults.h"
  41 #include "workspace.h"
  42 #include "superfluous.h"
  43 #include "menu.h"
  44 #include "framewin.h"
  45 #include "dialog.h"
  46 #include "client.h"
  47 #ifdef XDND
  48 #include "xdnd.h"
  49 #endif
  50
  51 /*
  52  * icon_file for the dock is got from the preferences file by
  53  * using the classname/instancename
  54  */
  55
  56 /**** Global variables ****/
  57 extern Cursor wCursor[WCUR_LAST];
  58 extern WPreferences wPreferences;
  59
  60 #define MOD_MASK       wPreferences.modifier_mask
  61
  62 void appIconMouseDown(WObjDescriptor *desc, XEvent *event);
  63 static void iconDblClick(WObjDescriptor *desc, XEvent *event);
  64 static void iconExpose(WObjDescriptor *desc, XEvent *event);
  65
  66
  67
  68 WAppIcon*
  69 wAppIconCreateForDock(WScreen *scr, char *command, char *wm_instance,
  70                       char *wm_class, int tile)
  71 {
  72     WAppIcon *dicon;
  73     char *path;
  74
  75     dicon = wmalloc(sizeof(WAppIcon));
  76     wretain(dicon);
  77     memset(dicon, 0, sizeof(WAppIcon));
  78     dicon->yindex = -1;
  79     dicon->xindex = -1;
  80
  81     dicon->prev = NULL;
  82     dicon->next = scr->app_icon_list;
  83     if (scr->app_icon_list) {
  84         scr->app_icon_list->prev = dicon;
  85     }
  86     scr->app_icon_list = dicon;
  87
  88     if (command) {
  89         dicon->command = wstrdup(command);
  90     }
  91     if (wm_class)
  92       dicon->wm_class = wstrdup(wm_class);
  93     if (wm_instance)
  94       dicon->wm_instance = wstrdup(wm_instance);
  95
  96     path = wDefaultGetIconFile(scr, wm_instance, wm_class, True);
  97     if (!path && command) {
  98         wApplicationExtractDirPackIcon(scr, command, wm_instance, wm_class);
  99
 100         path = wDefaultGetIconFile(scr, wm_instance, wm_class, False);
 101     }
 102
 103     if (path)
 104         path = FindImage(wPreferences.icon_path, path);
 105
 106     dicon->icon = wIconCreateWithIconFile(scr, path, tile);
 107     if (path)
 108         free(path);
 109 #ifdef XDND
 110     wXDNDMakeAwareness(dicon->icon->core->window);
 111 #endif
 112 #ifdef REDUCE_APPICONS
 113     dicon->num_apps = 0;
 114 #endif
 115 #ifdef DEMATERIALIZE_ICON
 116     {
 117         XSetWindowAttributes attribs;
 118         attribs.save_under = True;
 119         XChangeWindowAttributes(dpy, dicon->icon->core->window,
 120                 CWSaveUnder, &attribs);
 121     }
 122 #endif
 123
 124     /* will be overriden by dock */
 125     dicon->icon->core->descriptor.handle_mousedown = appIconMouseDown;
 126     dicon->icon->core->descriptor.handle_expose = iconExpose;
 127     dicon->icon->core->descriptor.parent_type = WCLASS_APPICON;
 128     dicon->icon->core->descriptor.parent = dicon;
 129     AddToStackList(dicon->icon->core);
 130
 131     return dicon;
 132 }
 133
 134
 135
 136 WAppIcon*
 137 wAppIconCreate(WWindow *leader_win)
 138 {
 139     WAppIcon *aicon;
 140 #ifdef REDUCE_APPICONS
 141     WAppIcon *atmp;
 142     WAppIconAppList *applist;
 143     char *tinstance, *tclass;
 144 #endif
 145     WScreen *scr = leader_win->screen_ptr;
 146
 147     aicon = wmalloc(sizeof(WAppIcon));
 148     wretain(aicon);
 149     memset(aicon, 0, sizeof(WAppIcon));
 150 #ifdef REDUCE_APPICONS
 151     applist = wmalloc(sizeof(WAppIconAppList));
 152     memset(applist, 0, sizeof(WAppIconAppList));
 153     applist->wapp = wApplicationOf(leader_win->main_window);
 154     aicon->applist = applist;
 155     if (applist->wapp == NULL) {
 156         /* Something's wrong. wApplicationOf() should always return a
 157          * valid structure.  Rather than violate assumptions, bail. -cls
 158          */
 159         free(applist);
 160         wrelease(aicon);
 161         return NULL;
 162     }
 163 #endif
 164
 165     aicon->yindex = -1;
 166     aicon->xindex = -1;
 167
 168     aicon->prev = NULL;
 169     aicon->next = scr->app_icon_list;
 170     if (scr->app_icon_list) {
 171 #ifndef REDUCE_APPICONS
 172         scr->app_icon_list->prev = aicon;
 173 #else
 174         /* If we aren't going to have a match, jump straight to new appicon */
 175         if (leader_win->wm_class == NULL || leader_win->wm_class == NULL)
 176             atmp = NULL;
 177         else
 178         atmp = scr->app_icon_list;
 179
 180         while (atmp != NULL) {
 181             if ((tinstance = atmp->wm_instance) == NULL)
 182                 tinstance = "";
 183             if ((tclass = atmp->wm_class) == NULL)
 184                 tclass = "";
 185             if ((strcmp(leader_win->wm_class, tclass) == 0) &&
 186                 (strcmp(leader_win->wm_instance, tinstance) == 0))
 187             {
 188                 /* We have a winner */
 189                 wrelease(aicon);
 190                 atmp->num_apps++;
 191                 applist->next = atmp->applist;
 192                 if (atmp->applist)
 193                     atmp->applist->prev = applist;
 194                 atmp->applist = applist;
 195
 196                 if (atmp->docked) {
 197                     wDockSimulateLaunch(atmp->dock, atmp);
 198                 }
 199
 200                 return atmp;
 201             }
 202             atmp = atmp->next;
 203         }
 204         if (atmp == NULL) {
 205             scr->app_icon_list->prev = aicon;
 206         }
 207 #endif /* REDUCE_APPICONS */
 208     }
 209     scr->app_icon_list = aicon;
 210
 211     if (leader_win->wm_class)
 212         aicon->wm_class = wstrdup(leader_win->wm_class);
 213     if (leader_win->wm_instance)
 214         aicon->wm_instance = wstrdup(leader_win->wm_instance);
 215 #ifdef REDUCE_APPICONS
 216     aicon->num_apps = 1;
 217 #endif
 218
 219     aicon->icon = wIconCreate(leader_win);
 220 #ifdef DEMATERIALIZE_ICON
 221     {
 222         XSetWindowAttributes attribs;
 223         attribs.save_under = True;
 224         XChangeWindowAttributes(dpy, aicon->icon->core->window,
 225                 CWSaveUnder, &attribs);
 226     }
 227 #endif
 228 #ifdef XDND
 229     wXDNDMakeAwareness(aicon->icon->core->window);
 230 #endif
 231
 232     /* will be overriden if docked */
 233     aicon->icon->core->descriptor.handle_mousedown = appIconMouseDown;
 234     aicon->icon->core->descriptor.handle_expose = iconExpose;
 235     aicon->icon->core->descriptor.parent_type = WCLASS_APPICON;
 236     aicon->icon->core->descriptor.parent = aicon;
 237     AddToStackList(aicon->icon->core);
 238     aicon->icon->show_title = 0;
 239     wIconUpdate(aicon->icon);
 240
 241     return aicon;
 242 }
 243
 244
 245 void
 246 wAppIconDestroy(WAppIcon *aicon)
 247 {
 248     WScreen *scr = aicon->icon->core->screen_ptr;
 249 #ifdef REDUCE_APPICONS
 250     WAppIconAppList *aptmp;
 251 #endif
 252
 253     RemoveFromStackList(aicon->icon->core);
 254     wIconDestroy(aicon->icon);
 255     if (aicon->command)
 256         free(aicon->command);
 257 #ifdef OFFIX_DND
 258     if (aicon->dnd_command)
 259         free(aicon->dnd_command);
 260 #endif
 261     if (aicon->wm_instance)
 262       free(aicon->wm_instance);
 263     if (aicon->wm_class)
 264       free(aicon->wm_class);
 265 #ifdef REDUCE_APPICONS
 266     /* There should never be a list but just in case */
 267     if (aicon->applist != NULL) {
 268         aptmp = aicon->applist;
 269         while (aptmp->next) {
 270             aptmp = aptmp->next;
 271             free(aptmp->prev);
 272         }
 273         free(aptmp);
 274     }
 275 #endif
 276
 277     if (aicon == scr->app_icon_list) {
 278         if (aicon->next)
 279             aicon->next->prev = NULL;
 280         scr->app_icon_list = aicon->next;
 281     }
 282     else {
 283         if (aicon->next)
 284             aicon->next->prev = aicon->prev;
 285         if (aicon->prev)
 286             aicon->prev->next = aicon->next;
 287     }
 288
 289     aicon->destroyed = 1;
 290     wrelease(aicon);
 291 }
 292
 293
 294
 295 #ifdef NEWAPPICON
 296 static void
 297 drawCorner(WIcon *icon, WWindow *wwin, int active)
 298 {
 299     WScreen *scr = wwin->screen_ptr;
 300     XPoint points[3];
 301     GC gc;
 302
 303     points[0].x = 2;
 304     points[0].y = 2;
 305     points[1].x = 12;
 306     points[1].y = 2;
 307     points[2].x = 2;
 308     points[2].y = 12;
 309     if (active) {
 310         gc=scr->focused_texture->any.gc;
 311     } else {
 312         gc=scr->unfocused_texture->any.gc;
 313     }
 314     XFillPolygon(dpy, icon->core->window, gc, points, 3,
 315                  Convex, CoordModeOrigin);
 316 }
 317 #endif /* NEWAPPICON */
 318
 319
 320 void
 321 wAppIconMove(WAppIcon *aicon, int x, int y)
 322 {
 323     XMoveWindow(dpy, aicon->icon->core->window, x, y);
 324     aicon->x_pos = x;
 325     aicon->y_pos = y;
 326 }
 327
 328
 329 #ifdef WS_INDICATOR
 330 static void
 331 updateDockNumbers(WScreen *scr)
 332 {
 333     int length;
 334     char *ws_numbers;
 335     GC numbers_gc;
 336     XGCValues my_gc_values;
 337     unsigned long my_v_mask = (GCForeground);
 338     WAppIcon *dicon = scr->dock->icon_array[0];
 339
 340     my_gc_values.foreground = scr->white_pixel;
 341     numbers_gc = XCreateGC(dpy, dicon->icon->core->window,
 342                            my_v_mask, &my_gc_values);
 343
 344     ws_numbers = malloc(20);
 345     sprintf(ws_numbers, "%i [ %i ]", scr->current_workspace+1,
 346             ((scr->current_workspace/10)+1));
 347     length = strlen(ws_numbers);
 348
 349     XClearArea(dpy, dicon->icon->core->window, 2, 2, 50,
 350                scr->icon_title_font->y+1, False);
 351
 352     XSetForeground(dpy, numbers_gc, scr->black_pixel);
 353     WMDrawString(scr->wmscreen, dicon->icon->core->window, numbers_gc,
 354                  scr->icon_title_font->font, 4, 3, ws_numbers, length);
 355
 356     XSetForeground(dpy, numbers_gc, scr->white_pixel);
 357     WMDrawString(scr->wmscreen, dicon->icon->core->window, numbers_gc,
 358                  scr->icon_title_font->font, 3, 2, ws_numbers, length);
 359
 360     XFreeGC(dpy, numbers_gc);
 361     free(ws_numbers);
 362 }
 363 #endif /* WS_INDICATOR */
 364
 365
 366 void
 367 wAppIconPaint(WAppIcon *aicon)
 368 {
 369     WScreen *scr = aicon->icon->core->screen_ptr;
 370
 371     wIconPaint(aicon->icon);
 372
 373
 374 # ifdef WS_INDICATOR
 375     if (aicon->docked && scr->dock && aicon->yindex==0)
 376         updateDockNumbers(scr);
 377 # endif
 378     if (scr->dock_dots && aicon->docked && !aicon->running
 379         && aicon->command!=NULL) {
 380         XSetClipMask(dpy, scr->copy_gc, scr->dock_dots->mask);
 381         XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
 382         XCopyArea(dpy, scr->dock_dots->image, aicon->icon->core->window,
 383                   scr->copy_gc, 0, 0, scr->dock_dots->width,
 384                   scr->dock_dots->height, 0, 0);
 385     }
 386
 387 #ifdef HIDDENDOT
 388     {
 389         WApplication *wapp;
 390         wapp = wApplicationOf(aicon->main_window);
 391         if (wapp && wapp->flags.hidden) {
 392             XSetClipMask(dpy, scr->copy_gc, scr->dock_dots->mask);
 393             XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
 394             XCopyArea(dpy, scr->dock_dots->image,
 395                       aicon->icon->core->window,
 396                       scr->copy_gc, 0, 0, 7,
 397                       scr->dock_dots->height, 0, 0);
 398         }
 399     }
 400 #endif /* HIDDENDOT */
 401
 402 #ifdef NEWAPPICON
 403     if (!wPreferences.strict_ns && aicon->icon->owner!=NULL) {
 404         int active=0;
 405         if (aicon->main_window==None) {
 406             active = (aicon->icon->owner->flags.focused ? 1 : 0);
 407         } else {
 408             WApplication *wapp;
 409
 410             wapp = wApplicationOf(aicon->main_window);
 411             if (!wapp) {
 412                 active = aicon->icon->owner->flags.focused;
 413                 wwarning("error in wAppIconPaint(). Please report it");
 414             } else {
 415                 active = wapp->main_window_desc->flags.focused;
 416                 if (wapp->main_window_desc->flags.hidden
 417                     || !wapp->main_window_desc->flags.mapped)
 418                   active = -1;
 419             }
 420         }
 421         if (active>=0)
 422           drawCorner(aicon->icon, aicon->icon->owner, active);
 423     }
 424 #endif /* NEWAPPICON */
 425
 426     XSetClipMask(dpy, scr->copy_gc, None);
 427     if (aicon->launching) {
 428         XFillRectangle(dpy, aicon->icon->core->window, scr->stipple_gc,
 429                        0, 0, wPreferences.icon_size, wPreferences.icon_size);
 430     }
 431 }
 432
 433
 434
 435 #define canBeDocked(wwin)  ((wwin) && ((wwin)->wm_class||(wwin)->wm_instance))
 436
 437 #ifdef REDUCE_APPICONS
 438 unsigned int
 439 wAppIconReduceAppCount(WApplication *wapp)
 440 {
 441     WAppIconAppList *applist;
 442
 443     if (wapp == NULL)
 444         return 0;
 445
 446     if (wapp->app_icon == NULL)
 447         return 0;
 448
 449     /* If given a main window, check the applist
 450      * and remove the if it exists
 451      */
 452         applist = wapp->app_icon->applist;
 453         while (applist != NULL) {
 454                 if (applist->wapp == wapp) {
 455                     /* If this app owns the appicon, change the appicon's
 456                      * owner to the next app in the list or NULL
 457                      */
 458             if (wapp->app_icon->icon->owner == applist->wapp->main_window_desc)
 459 {
 460                         if (applist->next) {
 461                             wapp->app_icon->icon->owner = applist->next->wapp->main_window_desc;
 462                         } else if (applist->prev) {
 463                             wapp->app_icon->icon->owner = applist->prev->wapp->main_window_desc;
 464                         } else {
 465                             wapp->app_icon->icon->owner = NULL;
 466                         }
 467                     }
 468                     if (applist->prev)
 469                         applist->prev->next = applist->next;
 470
 471                     if (applist->next)
 472                         applist->next->prev = applist->prev;
 473
 474             if (applist == wapp->app_icon->applist)
 475                         wapp->app_icon->applist = applist->next;
 476
 477                     free(applist);
 478
 479                     if (wapp->app_icon->applist != NULL)
 480                         wapp->app_icon->main_window = wapp->app_icon->applist->wapp->main_window;
 481
 482                     return (--wapp->app_icon->num_apps);
 483                 }
 484             applist = applist->next;
 485         }
 486     return (--wapp->app_icon->num_apps);
 487 }
 488 #endif
 489
 490
 491 static void
 492 hideCallback(WMenu *menu, WMenuEntry *entry)
 493 {
 494     WApplication *wapp = (WApplication*)entry->clientdata;
 495
 496     if (wapp->flags.hidden) {
 497         wWorkspaceChange(menu->menu->screen_ptr, wapp->last_workspace);
 498         wUnhideApplication(wapp, False, False);
 499     } else {
 500         wHideApplication(wapp);
 501     }
 502 }
 503
 504
 505 static void
 506 unhideHereCallback(WMenu *menu, WMenuEntry *entry)
 507 {
 508     WApplication *wapp = (WApplication*)entry->clientdata;
 509
 510     wUnhideApplication(wapp, False, True);
 511 }
 512
 513
 514 static void
 515 setIconCallback(WMenu *menu, WMenuEntry *entry)
 516 {
 517     WAppIcon *icon = ((WApplication*)entry->clientdata)->app_icon;
 518     char *file=NULL;
 519     WScreen *scr;
 520     int result;
 521
 522     assert(icon!=NULL);
 523
 524     if (icon->editing)
 525         return;
 526     icon->editing = 1;
 527     scr = icon->icon->core->screen_ptr;
 528
 529     wretain(icon);
 530
 531     result = wIconChooserDialog(scr, &file, icon->wm_instance, icon->wm_class);
 532
 533     if (result && !icon->destroyed) {
 534         if (file[0]==0) {
 535             free(file);
 536             file = NULL;
 537         }
 538         if (!wIconChangeImageFile(icon->icon, file)) {
 539             wMessageDialog(scr, _("Error"),
 540                            _("Could not open specified icon file"),
 541                            _("OK"), NULL, NULL);
 542         } else {
 543             wDefaultChangeIcon(scr, icon->wm_instance, icon->wm_class, file);
 544             wAppIconPaint(icon);
 545         }
 546         if (file)
 547             free(file);
 548     }
 549     icon->editing = 0;
 550     wrelease(icon);
 551 }
 552
 553
 554 static void
 555 killCallback(WMenu *menu, WMenuEntry *entry)
 556 {
 557     WApplication *wapp = (WApplication*)entry->clientdata;
 558     char *buffer;
 559
 560     if (!WCHECK_STATE(WSTATE_NORMAL))
 561         return;
 562
 563     WCHANGE_STATE(WSTATE_MODAL);
 564
 565     assert(entry->clientdata!=NULL);
 566
 567     buffer = wstrappend(wapp->app_icon ? wapp->app_icon->wm_class : NULL,
 568                         _(" will be forcibly closed.\n"
 569                           "Any unsaved changes will be lost.\n"
 570                           "Please confirm."));
 571
 572     wretain(wapp->main_window_desc);
 573     if (wPreferences.dont_confirm_kill
 574         || wMessageDialog(menu->frame->screen_ptr, _("Kill Application"),
 575                           buffer, _("Yes"), _("No"), NULL)==WAPRDefault) {
 576         if (!wapp->main_window_desc->flags.destroyed)
 577             wClientKill(wapp->main_window_desc);
 578     }
 579     wrelease(wapp->main_window_desc);
 580
 581     free(buffer);
 582
 583     WCHANGE_STATE(WSTATE_NORMAL);
 584 }
 585
 586
 587 static WMenu*
 588 createApplicationMenu(WScreen *scr)
 589 {
 590     WMenu *menu;
 591
 592     menu = wMenuCreate(scr, NULL, False);
 593     wMenuAddCallback(menu, _("Unhide Here"), unhideHereCallback, NULL);
 594     wMenuAddCallback(menu, _("Hide"), hideCallback, NULL);
 595     wMenuAddCallback(menu, _("Set Icon..."), setIconCallback, NULL);
 596     wMenuAddCallback(menu, _("Kill"), killCallback, NULL);
 597
 598     return menu;
 599 }
 600
 601
 602 static void
 603 openApplicationMenu(WApplication *wapp, int x, int y)
 604 {
 605     WMenu *menu;
 606     WScreen *scr = wapp->main_window_desc->screen_ptr;
 607     int i;
 608
 609     if (!scr->icon_menu) {
 610         scr->icon_menu = createApplicationMenu(scr);
 611         free(scr->icon_menu->entries[1]->text);
 612     }
 613
 614     menu = scr->icon_menu;
 615
 616     if (wapp->flags.hidden) {
 617         menu->entries[1]->text = _("Unhide");
 618     } else {
 619         menu->entries[1]->text = _("Hide");
 620     }
 621
 622     menu->flags.realized = 0;
 623     wMenuRealize(menu);
 624
 625     x -= menu->frame->core->width/2;
 626     if (x + menu->frame->core->width > scr->scr_width)
 627         x = scr->scr_width - menu->frame->core->width;
 628     if (x < 0)
 629         x = 0;
 630
 631     /* set client data */
 632     for (i = 0; i < menu->entry_no; i++) {
 633         menu->entries[i]->clientdata = wapp;
 634     }
 635     wMenuMapAt(menu, x, y, False);
 636 }
 637
 638
 639 /******************************************************************/
 640
 641 static void
 642 iconExpose(WObjDescriptor *desc, XEvent *event)
 643 {
 644     wAppIconPaint(desc->parent);
 645 }
 646
 647
 648 static void
 649 iconDblClick(WObjDescriptor *desc, XEvent *event)
 650 {
 651     WAppIcon *aicon = desc->parent;
 652     WApplication *wapp;
 653     WScreen *scr = aicon->icon->core->screen_ptr;
 654     int unhideHere;
 655
 656 #ifndef REDUCE_APPICONS
 657     assert(aicon->icon->owner!=NULL);
 658 #else
 659     if (aicon->icon->owner == NULL) {
 660        fprintf(stderr, "Double-click disabled: missing main window.\n");
 661        return;
 662     }
 663 #endif
 664
 665     wapp = wApplicationOf(aicon->icon->owner->main_window);
 666 #ifdef DEBUG0
 667     if (!wapp) {
 668         wwarning("could not find application descriptor for app icon!!");
 669         return;
 670     }
 671 #endif
 672 #ifdef REDUCE_APPICONS
 673     if (!wapp) {
 674        fprintf(stderr, "Double-click disabled: missing wapp.\n");
 675        return;
 676     }
 677 #endif /* REDUCE_APPICONS */
 678
 679     unhideHere = (event->xbutton.state & ShiftMask);
 680
 681     /* go to the last workspace that the user worked on the app */
 682     if (!unhideHere && wapp->last_workspace != scr->current_workspace)
 683         wWorkspaceChange(scr, wapp->last_workspace);
 684
 685     wUnhideApplication(wapp, event->xbutton.button==Button2, unhideHere);
 686
 687     if (event->xbutton.state & MOD_MASK) {
 688         wHideOtherApplications(aicon->icon->owner);
 689     }
 690 }
 691
 692
 693 void
 694 appIconMouseDown(WObjDescriptor *desc, XEvent *event)
 695 {
 696     WAppIcon *aicon = desc->parent;
 697     WIcon *icon = aicon->icon;
 698     XEvent ev;
 699     int x=aicon->x_pos, y=aicon->y_pos;
 700     int dx=event->xbutton.x, dy=event->xbutton.y;
 701     int grabbed=0;
 702     int done=0;
 703     int superfluous = wPreferences.superfluous; /* we catch it to avoid problems */
 704     WScreen *scr = icon->core->screen_ptr;
 705     WWorkspace *workspace = scr->workspaces[scr->current_workspace];
 706     int shad_x = 0, shad_y = 0, docking=0, dockable, collapsed = 0;
 707     int ix, iy;
 708     int clickButton = event->xbutton.button;
 709     Pixmap ghost = None;
 710     Window wins[2];
 711
 712     if (aicon->editing || WCHECK_STATE(WSTATE_MODAL))
 713         return;
 714
 715     if (IsDoubleClick(scr, event)) {
 716         iconDblClick(desc, event);
 717         return;
 718     }
 719
 720     if (event->xbutton.button == Button3) {
 721         WObjDescriptor *desc;
 722         WApplication *wapp = wApplicationOf(aicon->icon->owner->main_window);
 723
 724         if (!wapp)
 725             return;
 726
 727         openApplicationMenu(wapp, event->xbutton.x_root,
 728                             event->xbutton.y_root);
 729
 730         /* allow drag select of menu */
 731         desc = &scr->icon_menu->menu->descriptor;
 732         event->xbutton.send_event = True;
 733         (*desc->handle_mousedown)(desc, event);
 734         return;
 735     }
 736
 737 #ifdef DEBUG
 738     puts("Moving icon");
 739 #endif
 740     if (event->xbutton.state & MOD_MASK)
 741         wLowerFrame(icon->core);
 742     else
 743         wRaiseFrame(icon->core);
 744
 745
 746     if (XGrabPointer(dpy, icon->core->window, True, ButtonMotionMask
 747                      |ButtonReleaseMask|ButtonPressMask, GrabModeAsync,
 748                      GrabModeAsync, None, None, CurrentTime) !=GrabSuccess) {
 749         wwarning("pointer grab failed for appicon move");
 750     }
 751
 752     if (wPreferences.flags.nodock && wPreferences.flags.noclip)
 753       dockable = 0;
 754     else
 755       dockable = canBeDocked(icon->owner);
 756
 757     wins[0] = icon->core->window;
 758     wins[1] = scr->dock_shadow;
 759     XRestackWindows(dpy, wins, 2);
 760     if (superfluous) {
 761         if (icon->pixmap!=None)
 762             ghost = MakeGhostIcon(scr, icon->pixmap);
 763         else
 764             ghost = MakeGhostIcon(scr, icon->core->window);
 765         XSetWindowBackgroundPixmap(dpy, scr->dock_shadow,
 766                                    ghost);
 767         XClearWindow(dpy, scr->dock_shadow);
 768     }
 769
 770     while (!done) {
 771         WMMaskEvent(dpy, PointerMotionMask|ButtonReleaseMask|ButtonPressMask
 772                     |ButtonMotionMask|ExposureMask, &ev);
 773         switch (ev.type) {
 774          case Expose:
 775             WMHandleEvent(&ev);
 776             break;
 777
 778          case MotionNotify:
 779             if (!grabbed) {
 780                 if (abs(dx-ev.xmotion.x)>=MOVE_THRESHOLD
 781                     || abs(dy-ev.xmotion.y)>=MOVE_THRESHOLD) {
 782                     XChangeActivePointerGrab(dpy, ButtonMotionMask
 783                                             |ButtonReleaseMask|ButtonPressMask,
 784                                              wCursor[WCUR_MOVE], CurrentTime);
 785                     grabbed=1;
 786                 } else {
 787                     break;
 788                 }
 789             }
 790             x = ev.xmotion.x_root - dx;
 791             y = ev.xmotion.y_root - dy;
 792             XMoveWindow(dpy, icon->core->window, x, y);
 793
 794             if (dockable) {
 795                 if (scr->dock && wDockSnapIcon(scr->dock, aicon, x, y,
 796                                                &ix, &iy, False)) {
 797                     shad_x = scr->dock->x_pos + ix*wPreferences.icon_size;
 798                     shad_y = scr->dock->y_pos + iy*wPreferences.icon_size;
 799
 800                     if (scr->last_dock != scr->dock && collapsed) {
 801                         scr->last_dock->collapsed = 1;
 802                         wDockHideIcons(scr->last_dock);
 803                         collapsed = 0;
 804                     }
 805                     if (!collapsed && (collapsed = scr->dock->collapsed)) {
 806                         scr->dock->collapsed = 0;
 807                         wDockShowIcons(scr->dock);
 808                     }
 809
 810                     if (scr->dock->auto_raise_lower)
 811                         wDockRaise(scr->dock);
 812
 813                     scr->last_dock = scr->dock;
 814
 815                     XMoveWindow(dpy, scr->dock_shadow, shad_x, shad_y);
 816                     if (!docking) {
 817                         XMapWindow(dpy, scr->dock_shadow);
 818                     }
 819                     docking = 1;
 820                 } else if (workspace->clip &&
 821                            wDockSnapIcon(workspace->clip, aicon, x, y,
 822                                          &ix, &iy, False)) {
 823                     shad_x = workspace->clip->x_pos + ix*wPreferences.icon_size;
 824                     shad_y = workspace->clip->y_pos + iy*wPreferences.icon_size;
 825
 826                     if (scr->last_dock != workspace->clip && collapsed) {
 827                         scr->last_dock->collapsed = 1;
 828                         wDockHideIcons(scr->last_dock);
 829                         collapsed = 0;
 830                     }
 831                     if (!collapsed && (collapsed = workspace->clip->collapsed)) {
 832                         workspace->clip->collapsed = 0;
 833                         wDockShowIcons(workspace->clip);
 834                     }
 835
 836                     if (workspace->clip->auto_raise_lower)
 837                         wDockRaise(workspace->clip);
 838
 839                     scr->last_dock = workspace->clip;
 840
 841                     XMoveWindow(dpy, scr->dock_shadow, shad_x, shad_y);
 842                     if (!docking) {
 843                         XMapWindow(dpy, scr->dock_shadow);
 844                     }
 845                     docking = 1;
 846                 } else if (docking) {
 847                     XUnmapWindow(dpy, scr->dock_shadow);
 848                     docking = 0;
 849                 }
 850             }
 851
 852             break;
 853
 854          case ButtonPress:
 855             break;
 856
 857          case ButtonRelease:
 858             if (ev.xbutton.button != clickButton)
 859                 break;
 860             XUngrabPointer(dpy, CurrentTime);
 861
 862             if (docking) {
 863                 Bool docked;
 864
 865                 /* icon is trying to be docked */
 866                 SlideWindow(icon->core->window, x, y, shad_x, shad_y);
 867                 XUnmapWindow(dpy, scr->dock_shadow);
 868                 docked = wDockAttachIcon(scr->last_dock, aicon, ix, iy);
 869                 if (scr->last_dock->auto_collapse) {
 870                     collapsed = 0;
 871                 }
 872                 if (workspace->clip &&
 873                     workspace->clip != scr->last_dock &&
 874                     workspace->clip->auto_raise_lower)
 875                     wDockLower(workspace->clip);
 876
 877                 if (!docked) {
 878                     /* If icon could not be docked, slide it back to the old
 879                      * position */
 880                     SlideWindow(icon->core->window, x, y, aicon->x_pos,
 881                                 aicon->y_pos);
 882                 }
 883             } else {
 884                 XMoveWindow(dpy, icon->core->window, x, y);
 885                 aicon->x_pos = x;
 886                 aicon->y_pos = y;
 887                 if (workspace->clip && workspace->clip->auto_raise_lower)
 888                     wDockLower(workspace->clip);
 889             }
 890             if (collapsed) {
 891                 scr->last_dock->collapsed = 1;
 892                 wDockHideIcons(scr->last_dock);
 893                 collapsed = 0;
 894             }
 895             if (superfluous) {
 896                 if (ghost!=None)
 897                     XFreePixmap(dpy, ghost);
 898                 XSetWindowBackground(dpy, scr->dock_shadow, scr->white_pixel);
 899             }
 900
 901             if (wPreferences.auto_arrange_icons)
 902                 wArrangeIcons(scr, True);
 903
 904             done = 1;
 905             break;
 906         }
 907     }
 908 #ifdef DEBUG
 909     puts("End icon move");
 910 #endif
 911
 912 }