src/switchpanel.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2004 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <sys/time.h>
  27
  28 #include "WindowMaker.h"
  29 #include "screen.h"
  30 #include "wcore.h"
  31 #include "framewin.h"
  32 #include "window.h"
  33 #include "defaults.h"
  34 #include "switchpanel.h"
  35 #include "funcs.h"
  36 #include "xinerama.h"
  37
  38 #ifdef SHAPE
  39 #include <X11/extensions/shape.h>
  40
  41 extern Bool wShapeSupported;
  42 #endif
  43
  44
  45 struct SwitchPanel {
  46     WScreen *scr;
  47     WMWindow *win;
  48     WMFrame *iconBox;
  49
  50     WMArray *icons;
  51     WMArray *images;
  52     WMArray *windows;
  53     RImage *bg;
  54     int current;
  55     int firstVisible;
  56     int visibleCount;
  57
  58     WMLabel *label;
  59
  60     RImage *defIcon;
  61
  62     RImage *tileTmp;
  63     RImage *tile;
  64
  65     WMFont *font;
  66     WMColor *white;
  67 };
  68
  69
  70
  71
  72
  73 extern WPreferences wPreferences;
  74
  75 #define BORDER_SPACE 10
  76 #define ICON_SIZE 48
  77 #define ICON_TILE_SIZE 64
  78 #define LABEL_HEIGHT 25
  79 #define SCREEN_BORDER_SPACING 2*20
  80 #define SCROLL_STEPS (ICON_TILE_SIZE/2)
  81
  82 static int canReceiveFocus(WWindow *wwin)
  83 {
  84   if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
  85     return 0;
  86   if (!wwin->flags.mapped)
  87   {
  88     if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
  89       return 0;
  90     else
  91       return -1;
  92   }
  93   if (WFLAGP(wwin, no_focusable))
  94     return 0;
  95   return 1;
  96 }
  97
  98
  99 static void changeImage(WSwitchPanel *panel, int idecks, int selected)
 100 {
 101     WMFrame *icon = WMGetFromArray(panel->icons, idecks);
 102     RImage *image= WMGetFromArray(panel->images, idecks);
 103
 104     if (!panel->bg && !panel->tile) {
 105         if (!selected)
 106           WMSetFrameRelief(icon, WRFlat);
 107     }
 108
 109     if (image && icon) {
 110         RImage *back;
 111         int opaq= 255;
 112         RImage *tile;
 113         WMPoint pos;
 114         Pixmap p;
 115
 116         if (canReceiveFocus(WMGetFromArray(panel->windows, idecks)) < 0)
 117           opaq= 50;
 118
 119         pos= WMGetViewPosition(WMWidgetView(icon));
 120         back= panel->tileTmp;
 121         if (panel->bg)
 122           RCopyArea(back, panel->bg,
 123                     BORDER_SPACE+pos.x-panel->firstVisible*ICON_TILE_SIZE, BORDER_SPACE+pos.y,
 124                     back->width, back->height,
 125                     0, 0);
 126         else
 127         {
 128             RColor color;
 129             WMScreen *wscr= WMWidgetScreen(icon);
 130             color.red= 255;
 131             color.red = WMRedComponentOfColor(WMGrayColor(wscr))>>8;
 132             color.green = WMGreenComponentOfColor(WMGrayColor(wscr))>>8;
 133             color.blue = WMBlueComponentOfColor(WMGrayColor(wscr))>>8;
 134             RFillImage(back, &color);
 135         }
 136         if (selected)
 137         {
 138             tile= panel->tile;
 139             RCombineArea(back, tile, 0, 0, tile->width, tile->height,
 140                          (back->width - tile->width)/2, (back->height - tile->height)/2);
 141         }
 142         RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
 143                                    (back->width - image->width)/2, (back->height - image->height)/2,
 144                                    opaq);
 145
 146         RConvertImage(panel->scr->rcontext, back, &p);
 147         XSetWindowBackgroundPixmap(dpy, WMWidgetXID(icon), p);
 148         XClearWindow(dpy, WMWidgetXID(icon));
 149         XFreePixmap(dpy, p);
 150     }
 151
 152     if (!panel->bg && !panel->tile) {
 153         if (selected)
 154           WMSetFrameRelief(icon, WRSimple);
 155     }
 156 }
 157
 158
 159 static RImage *scaleDownIfNeeded(RImage *image)
 160 {
 161     if (image && ((image->width - ICON_SIZE) > 2 || (image->height - ICON_SIZE) > 2)) {
 162         RImage *nimage;
 163         nimage= RScaleImage(image, ICON_SIZE, (image->height * ICON_SIZE / image->width));
 164         RReleaseImage(image);
 165         image= nimage;
 166     }
 167     return image;
 168 }
 169
 170
 171 static void addIconForWindow(WSwitchPanel *panel, WMWidget *parent, WWindow *wwin,
 172                              int x, int y)
 173 {
 174     WMFrame *icon= WMCreateFrame(parent);
 175     RImage *image = NULL;
 176
 177     WMSetFrameRelief(icon, WRFlat);
 178     WMResizeWidget(icon, ICON_TILE_SIZE, ICON_TILE_SIZE);
 179     WMMoveWidget(icon, x, y);
 180
 181     if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 182       image = RRetainImage(wwin->net_icon_image);
 183
 184     // Make this use a caching thing. When there are many windows,
 185     // it's very likely that most of them are instances of the same thing,
 186     // so caching them should get performance acceptable in these cases.
 187     if (!image)
 188       image = wDefaultGetImage(panel->scr, wwin->wm_instance, wwin->wm_class);
 189
 190     if (!image && !panel->defIcon) {
 191         char *file = wDefaultGetIconFile(panel->scr, NULL, NULL, False);
 192         if (file) {
 193             char *path = FindImage(wPreferences.icon_path, file);
 194             if (path) {
 195                 image = RLoadImage(panel->scr->rcontext, path, 0);
 196                 wfree(path);
 197             }
 198         }
 199         if (image)
 200           panel->defIcon= scaleDownIfNeeded(image);
 201         image= NULL;
 202     }
 203     if (!image && panel->defIcon)
 204       image= RRetainImage(panel->defIcon);
 205
 206     image= scaleDownIfNeeded(image);
 207
 208     WMAddToArray(panel->images, image);
 209     WMAddToArray(panel->icons, icon);
 210 }
 211
 212
 213 static void scrollIcons(WSwitchPanel *panel, int delta)
 214 {
 215     int nfirst= panel->firstVisible + delta;
 216     int i;
 217     int count= WMGetArrayItemCount(panel->windows);
 218 //    int nx, ox;
 219 //    struct timeval tv1, tv2;
 220
 221     if (count <= panel->visibleCount)
 222       return;
 223
 224     if (nfirst < 0)
 225       nfirst= 0;
 226     else if (nfirst >= count-panel->visibleCount)
 227       nfirst= count-panel->visibleCount;
 228
 229     if (nfirst == panel->firstVisible)
 230       return;
 231 /*
 232     ox = -panel->firstVisible * ICON_TILE_SIZE;
 233     nx = -nfirst * ICON_TILE_SIZE;
 234     for (i= 0; i < SCROLL_STEPS; i++) {
 235         unsigned int diff;
 236         gettimeofday(&tv1, NULL);
 237         WMMoveWidget(panel->iconBox, (nx*i + ox*(SCROLL_STEPS-i))/(SCROLL_STEPS-1), 0);
 238         XSync(dpy, False);
 239         gettimeofday(&tv2, NULL);
 240         diff = (tv2.tv_sec-tv1.tv_sec)*10000+(tv2.tv_usec-tv1.tv_usec)/100;
 241         if (diff < 200)
 242           wusleep(300-diff);
 243     }
 244  */
 245     WMMoveWidget(panel->iconBox, -nfirst*ICON_TILE_SIZE, 0);
 246
 247     panel->firstVisible= nfirst;
 248
 249     for (i= panel->firstVisible; i < panel->firstVisible+panel->visibleCount; i++) {
 250         changeImage(panel, i, i == panel->current);
 251     }
 252 }
 253
 254
 255 /*
 256  * 0 1 2
 257  * 3 4 5
 258  * 6 7 8
 259  */
 260 static RImage *assemblePuzzleImage(RImage **images, int width, int height)
 261 {
 262     RImage *img= RCreateImage(width, height, 1);
 263     RImage *tmp;
 264     int tw, th;
 265     RColor color;
 266     if (!img)
 267       return NULL;
 268
 269     color.red= 0;
 270     color.green= 0;
 271     color.blue= 0;
 272     color.alpha= 255;
 273
 274     RFillImage(img, &color);
 275
 276     tw= width-images[0]->width-images[2]->width;
 277     th= height-images[0]->height-images[6]->height;
 278
 279     if (tw <= 0 || th <= 0) {
 280         //XXX
 281         return NULL;
 282     }
 283
 284     /* top */
 285     if (tw > 0) {
 286         tmp= RSmoothScaleImage(images[1], tw, images[1]->height);
 287         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height,
 288                   images[0]->width, 0);
 289         RReleaseImage(tmp);
 290     }
 291     /* bottom */
 292     if (tw > 0) {
 293         tmp= RSmoothScaleImage(images[7], tw, images[7]->height);
 294         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height,
 295                   images[6]->width, height-images[6]->height);
 296         RReleaseImage(tmp);
 297     }
 298     /* left */
 299     if (th > 0) {
 300         tmp= RSmoothScaleImage(images[3], images[3]->width, th);
 301         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height,
 302                   0, images[0]->height);
 303         RReleaseImage(tmp);
 304     }
 305     /* right */
 306     if (th > 0) {
 307         tmp= RSmoothScaleImage(images[5], images[5]->width, th);
 308         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height,
 309                   width-images[5]->width, images[2]->height);
 310         RReleaseImage(tmp);
 311     }
 312     /* center */
 313     if (tw > 0 && th > 0) {
 314         tmp= RSmoothScaleImage(images[4], tw, th);
 315         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height,
 316                   images[0]->width, images[0]->height);
 317         RReleaseImage(tmp);
 318     }
 319
 320     /* corners */
 321     RCopyArea(img, images[0], 0, 0, images[0]->width, images[0]->height,
 322               0, 0);
 323
 324     RCopyArea(img, images[2], 0, 0, images[2]->width, images[2]->height,
 325               width-images[2]->width, 0);
 326
 327     RCopyArea(img, images[6], 0, 0, images[6]->width, images[6]->height,
 328               0, height-images[6]->height);
 329
 330     RCopyArea(img, images[8], 0, 0, images[8]->width, images[8]->height,
 331               width-images[8]->width, height-images[8]->height);
 332
 333     return img;
 334 }
 335
 336 static RImage *createBackImage(WScreen *scr, int width, int height)
 337 {
 338     return assemblePuzzleImage(wPreferences.swbackImage, width, height);
 339 }
 340
 341
 342 static RImage *getTile(WSwitchPanel *panel)
 343 {
 344     RImage *stile;
 345
 346     if (!wPreferences.swtileImage)
 347         return NULL;
 348
 349     stile = RScaleImage(wPreferences.swtileImage, ICON_TILE_SIZE, ICON_TILE_SIZE);
 350     if (!stile)
 351         return wPreferences.swtileImage;
 352
 353     return stile;
 354 }
 355
 356
 357 static void
 358 drawTitle(WSwitchPanel *panel, int idecks, char *title)
 359 {
 360     char *ntitle;
 361     int width= WMWidgetWidth(panel->win);
 362     int x;
 363
 364     if (title)
 365         ntitle= ShrinkString(panel->font, title, width-2*BORDER_SPACE);
 366     else
 367         ntitle= NULL;
 368
 369     if (panel->bg) {
 370         if (ntitle) {
 371             if (strcmp(ntitle, title)!=0)
 372               x= BORDER_SPACE;
 373             else
 374             {
 375                 int w= WMWidthOfString(panel->font, ntitle, strlen(ntitle));
 376
 377                 x= BORDER_SPACE+(idecks-panel->firstVisible)*ICON_TILE_SIZE + ICON_TILE_SIZE/2 - w/2;
 378                 if (x < BORDER_SPACE)
 379                     x= BORDER_SPACE;
 380                 else if (x + w > width-BORDER_SPACE)
 381                     x= width-BORDER_SPACE-w;
 382             }
 383         }
 384         XClearWindow(dpy, WMWidgetXID(panel->win));
 385         if (ntitle)
 386             WMDrawString(panel->scr->wmscreen,
 387                          WMWidgetXID(panel->win),
 388                          panel->white, panel->font,
 389                          x, WMWidgetHeight(panel->win) - BORDER_SPACE - LABEL_HEIGHT + WMFontHeight(panel->font)/2,
 390                          ntitle, strlen(ntitle));
 391     } else {
 392         if (ntitle)
 393             WMSetLabelText(panel->label, ntitle);
 394     }
 395     if (ntitle)
 396         free(ntitle);
 397 }
 398
 399
 400
 401 static WMArray *makeWindowListArray(WScreen *scr, WWindow *curwin, int workspace,
 402                                     int include_unmapped)
 403 {
 404     WMArray *windows= WMCreateArray(10);
 405     int fl;
 406     WWindow *wwin;
 407
 408     for (fl= 0; fl < 2; fl++) {
 409         for (wwin= curwin; wwin; wwin= wwin->prev) {
 410             if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 411                 (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window) &&
 412                 (wwin->flags.mapped || include_unmapped)) {
 413                 WMAddToArray(windows, wwin);
 414             }
 415         }
 416         wwin = curwin;
 417         /* start over from the beginning of the list */
 418         while (wwin->next)
 419           wwin = wwin->next;
 420
 421         for (wwin= curwin; wwin && wwin != curwin; wwin= wwin->prev) {
 422             if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 423                 (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window) &&
 424                 (wwin->flags.mapped || include_unmapped)) {
 425                 WMAddToArray(windows, wwin);
 426             }
 427         }
 428     }
 429
 430     return windows;
 431 }
 432
 433
 434
 435
 436
 437 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, int workspace)
 438 {
 439     WWindow *wwin;
 440     WSwitchPanel *panel= wmalloc(sizeof(WSwitchPanel));
 441     WMFrame *viewport;
 442     int i;
 443     int width, height;
 444     int iconsThatFitCount;
 445     int count;
 446     WMRect rect;
 447     rect= wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
 448
 449     memset(panel, 0, sizeof(WSwitchPanel));
 450
 451     panel->scr= scr;
 452
 453     panel->windows= makeWindowListArray(scr, curwin, workspace,
 454                                         wPreferences.swtileImage!=0);
 455     count= WMGetArrayItemCount(panel->windows);
 456
 457     if (count == 0) {
 458         WMFreeArray(panel->windows);
 459         wfree(panel);
 460         return NULL;
 461     }
 462
 463     width= ICON_TILE_SIZE*count;
 464     iconsThatFitCount= count;
 465
 466     if (width > rect.size.width) {
 467         iconsThatFitCount = (rect.size.width - SCREEN_BORDER_SPACING)/ICON_TILE_SIZE;
 468         width= iconsThatFitCount*ICON_TILE_SIZE;
 469     }
 470
 471     panel->visibleCount= iconsThatFitCount;
 472
 473     if (!wPreferences.swtileImage)
 474         return panel;
 475
 476     height= LABEL_HEIGHT + ICON_TILE_SIZE;
 477
 478     panel->tileTmp= RCreateImage(ICON_TILE_SIZE, ICON_TILE_SIZE, 1);
 479     panel->tile= getTile(panel);
 480     if (panel->tile && wPreferences.swbackImage[8]) {
 481         panel->bg= createBackImage(scr, width+2*BORDER_SPACE, height+2*BORDER_SPACE);
 482     }
 483     if (!panel->tileTmp || !panel->tile) {
 484         if (panel->bg)
 485           RReleaseImage(panel->bg);
 486         panel->bg= NULL;
 487         if (panel->tile)
 488           RReleaseImage(panel->tile);
 489         panel->tile= NULL;
 490         if (panel->tileTmp)
 491           RReleaseImage(panel->tileTmp);
 492         panel->tileTmp= NULL;
 493     }
 494
 495     panel->white= WMWhiteColor(scr->wmscreen);
 496     panel->font= WMBoldSystemFontOfSize(scr->wmscreen, 12);
 497     panel->icons= WMCreateArray(count);
 498     panel->images= WMCreateArray(count);
 499
 500     panel->win = WMCreateWindow(scr->wmscreen, "");
 501
 502     if (!panel->bg) {
 503         WMFrame *frame = WMCreateFrame(panel->win);
 504         WMColor *darkGray = WMDarkGrayColor(scr->wmscreen);
 505         WMSetFrameRelief(frame, WRSimple);
 506         WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 507
 508         panel->label = WMCreateLabel(panel->win);
 509         WMResizeWidget(panel->label, width, LABEL_HEIGHT);
 510         WMMoveWidget(panel->label, BORDER_SPACE, BORDER_SPACE+ICON_TILE_SIZE+5);
 511         WMSetLabelRelief(panel->label, WRSimple);
 512         WMSetWidgetBackgroundColor(panel->label, darkGray);
 513         WMSetLabelFont(panel->label, panel->font);
 514         WMSetLabelTextColor(panel->label, panel->white);
 515
 516         WMReleaseColor(darkGray);
 517         height+= 5;
 518     }
 519
 520     WMResizeWidget(panel->win, width + 2*BORDER_SPACE, height + 2*BORDER_SPACE);
 521
 522     viewport= WMCreateFrame(panel->win);
 523     WMResizeWidget(viewport, width, ICON_TILE_SIZE);
 524     WMMoveWidget(viewport, BORDER_SPACE, BORDER_SPACE);
 525     WMSetFrameRelief(viewport, WRFlat);
 526
 527     panel->iconBox= WMCreateFrame(viewport);
 528     WMMoveWidget(panel->iconBox, 0, 0);
 529     WMResizeWidget(panel->iconBox, ICON_TILE_SIZE*count, ICON_TILE_SIZE);
 530     WMSetFrameRelief(panel->iconBox, WRFlat);
 531
 532     WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 533         addIconForWindow(panel, panel->iconBox, wwin, i*ICON_TILE_SIZE, 0);
 534     }
 535
 536     WMMapSubwidgets(panel->win);
 537     WMRealizeWidget(panel->win);
 538
 539     WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 540         changeImage(panel, i, 0);
 541     }
 542
 543     if (panel->bg) {
 544         Pixmap pixmap, mask;
 545
 546         RConvertImageMask(scr->rcontext, panel->bg, &pixmap, &mask, 250);
 547
 548         XSetWindowBackgroundPixmap(dpy, WMWidgetXID(panel->win), pixmap);
 549
 550 #ifdef SHAPE
 551         if (mask && wShapeSupported)
 552           XShapeCombineMask(dpy, WMWidgetXID(panel->win),
 553                             ShapeBounding, 0, 0, mask, ShapeSet);
 554 #endif
 555
 556         if (pixmap)
 557           XFreePixmap(dpy, pixmap);
 558         if (mask)
 559           XFreePixmap(dpy, mask);
 560     }
 561
 562     {
 563         WMPoint center;
 564         center= wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 565                                             width+2*BORDER_SPACE, height+2*BORDER_SPACE);
 566         WMMoveWidget(panel->win, center.x, center.y);
 567     }
 568
 569     panel->current= WMGetFirstInArray(panel->windows, curwin);
 570     if (panel->current >= 0)
 571         changeImage(panel, panel->current, 1);
 572
 573     WMMapWidget(panel->win);
 574
 575     return panel;
 576 }
 577
 578
 579 void wSwitchPanelDestroy(WSwitchPanel *panel)
 580 {
 581     int i;
 582     RImage *image;
 583
 584     if (panel->win)
 585       WMUnmapWidget(panel->win);
 586
 587     if (panel->images) {
 588         WM_ITERATE_ARRAY(panel->images, image, i) {
 589             if (image)
 590               RReleaseImage(image);
 591         }
 592         WMFreeArray(panel->images);
 593     }
 594     if (panel->win)
 595       WMDestroyWidget(panel->win);
 596     if (panel->icons)
 597       WMFreeArray(panel->icons);
 598     WMFreeArray(panel->windows);
 599     if (panel->defIcon)
 600       RReleaseImage(panel->defIcon);
 601     if (panel->tile)
 602       RReleaseImage(panel->tile);
 603     if (panel->tileTmp)
 604       RReleaseImage(panel->tileTmp);
 605     if (panel->bg)
 606       RReleaseImage(panel->bg);
 607     if (panel->font)
 608       WMReleaseFont(panel->font);
 609     if (panel->white)
 610       WMReleaseColor(panel->white);
 611     wfree(panel);
 612 }
 613
 614
 615 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back)
 616 {
 617     WWindow *wwin;
 618     int count = WMGetArrayItemCount(panel->windows);
 619
 620     if (count == 0)
 621       return NULL;
 622
 623     if (panel->win)
 624       changeImage(panel, panel->current, 0);
 625
 626     if (back)
 627       panel->current--;
 628     else
 629       panel->current++;
 630
 631     wwin = WMGetFromArray(panel->windows, (count+panel->current)%count);
 632
 633     if (back)
 634     {
 635         if (panel->current < 0)
 636           scrollIcons(panel, count);
 637         else if (panel->current < panel->firstVisible)
 638           scrollIcons(panel, -1);
 639     }
 640     else
 641     {
 642         if (panel->current >= count)
 643           scrollIcons(panel, -count);
 644         else if (panel->current - panel->firstVisible >= panel->visibleCount)
 645           scrollIcons(panel, 1);
 646     }
 647
 648     panel->current= (count+panel->current)%count;
 649
 650     if (panel->win) {
 651         drawTitle(panel, panel->current, wwin->frame->title);
 652
 653         changeImage(panel, panel->current, 1);
 654     }
 655
 656     return wwin;
 657 }
 658
 659
 660 WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 661 {
 662     WWindow *wwin;
 663     int count = WMGetArrayItemCount(panel->windows);
 664
 665     if (count == 0)
 666       return NULL;
 667
 668     if (panel->win)
 669       changeImage(panel, panel->current, 0);
 670
 671     if (back) {
 672         panel->current = count-1;
 673         scrollIcons(panel, count);
 674     } else {
 675         panel->current = 0;
 676         scrollIcons(panel, -count);
 677     }
 678
 679     wwin = WMGetFromArray(panel->windows, panel->current);
 680
 681     if (panel->win) {
 682         drawTitle(panel, panel->current, wwin->frame->title);
 683
 684         changeImage(panel, panel->current, 1);
 685     }
 686     return wwin;
 687 }
 688
 689
 690 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 691 {
 692     WMFrame *icon;
 693     int i;
 694     int focus= -1;
 695
 696     if (!panel->win)
 697       return NULL;
 698
 699  /*   if (event->type == LeaveNotify) {
 700         if (event->xcrossing.window == WMWidgetXID(panel->win))
 701             focus= 0;
 702     } else*/ if (event->type == MotionNotify) {
 703
 704         WM_ITERATE_ARRAY(panel->icons, icon, i) {
 705             if (WMWidgetXID(icon) == event->xmotion.window) {
 706                 focus= i;
 707                 break;
 708             }
 709         }
 710     }
 711     if (focus >= 0 && panel->current != focus) {
 712         WWindow *wwin;
 713
 714         changeImage(panel, panel->current, 0);
 715         changeImage(panel, focus, 1);
 716         panel->current= focus;
 717
 718         wwin= WMGetFromArray(panel->windows, focus);
 719
 720         drawTitle(panel, panel->current, wwin->frame->title);
 721
 722         return wwin;
 723     }
 724
 725     return NULL;
 726 }
 727
 728
 729 Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
 730 {
 731     if (!swpanel->win)
 732       return None;
 733     return WMWidgetXID(swpanel->win);
 734 }