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 along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "wconfig.h"
  22
  23 #include <stdint.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <sys/time.h>
  27
  28 #include "WindowMaker.h"
  29 #include "screen.h"
  30 #include "framewin.h"
  31 #include "icon.h"
  32 #include "window.h"
  33 #include "defaults.h"
  34 #include "switchpanel.h"
  35 #include "misc.h"
  36 #include "xinerama.h"
  37
  38
  39 #ifdef USE_XSHAPE
  40 #include <X11/extensions/shape.h>
  41 #endif
  42
  43 struct SwitchPanel {
  44         WScreen *scr;
  45         WMWindow *win;
  46         WMFrame *iconBox;
  47
  48         WMArray *icons;
  49         WMArray *images;
  50         WMArray *windows;
  51         WMArray *flags;
  52         RImage *bg;
  53         int current;
  54         int firstVisible;
  55         int visibleCount;
  56
  57         WMLabel *label;
  58
  59         RImage *tileTmp;
  60         RImage *tile;
  61
  62         WMFont *font;
  63         WMColor *white;
  64         WMColor *gray;
  65 };
  66
  67 /* these values will be updated whenever the switch panel
  68  * is created to to match the size defined in switch_panel_icon_size
  69  * and the selected font size */
  70 static short int icon_size;
  71 static short int border_space;
  72 static short int icon_tile_size;
  73 static short int label_height;
  74
  75 #define SCREEN_BORDER_SPACING 2*20
  76
  77 #define ICON_SELECTED (1<<1)
  78 #define ICON_DIM (1<<2)
  79
  80 static int canReceiveFocus(WWindow *wwin)
  81 {
  82         if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
  83                 return 0;
  84
  85         if (wPreferences.cycle_active_head_only &&
  86             wGetHeadForWindow(wwin) != wGetHeadForPointerLocation(wwin->screen_ptr))
  87                 return 0;
  88
  89         if (WFLAGP(wwin, no_focusable))
  90                 return 0;
  91
  92         if (!wwin->flags.mapped) {
  93                 if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
  94                         return 0;
  95                 else
  96                         return -1;
  97         }
  98
  99         return 1;
 100 }
 101
 102 static Bool sameWindowClass(WWindow *wwin, WWindow *curwin)
 103 {
 104         if (!wwin->wm_class || !curwin->wm_class)
 105                 return False;
 106         if (strcmp(wwin->wm_class, curwin->wm_class))
 107                 return False;
 108
 109         return True;
 110 }
 111
 112 static void changeImage(WSwitchPanel *panel, int idecks, int selected, Bool dim, Bool force)
 113 {
 114         WMFrame *icon = NULL;
 115         RImage *image = NULL;
 116         int flags;
 117         int desired = 0;
 118
 119         /* This whole function is a no-op if we aren't drawing the panel */
 120         if (!wPreferences.swtileImage)
 121                 return;
 122
 123         icon = WMGetFromArray(panel->icons, idecks);
 124         image = WMGetFromArray(panel->images, idecks);
 125         flags = (int) (uintptr_t) WMGetFromArray(panel->flags, idecks);
 126
 127         if (selected)
 128                 desired |= ICON_SELECTED;
 129         if (dim)
 130                 desired |= ICON_DIM;
 131
 132         if (flags == desired && !force)
 133                 return;
 134
 135         WMReplaceInArray(panel->flags, idecks, (void *) (uintptr_t) desired);
 136
 137         if (!panel->bg && !panel->tile && !selected)
 138                 WMSetFrameRelief(icon, WRFlat);
 139
 140         if (image && icon) {
 141                 RImage *back;
 142                 int opaq = (dim) ? 75 : 255;
 143                 RImage *tile;
 144                 WMPoint pos;
 145                 Pixmap p;
 146
 147                 if (canReceiveFocus(WMGetFromArray(panel->windows, idecks)) < 0)
 148                         opaq = 50;
 149
 150                 pos = WMGetViewPosition(WMWidgetView(icon));
 151                 back = panel->tileTmp;
 152                 if (panel->bg) {
 153                         RCopyArea(back, panel->bg,
 154                                   border_space + pos.x - panel->firstVisible * icon_tile_size,
 155                                   border_space + pos.y, back->width, back->height, 0, 0);
 156                 } else {
 157                         RColor color;
 158                         color.red = WMRedComponentOfColor(panel->gray) >> 8;
 159                         color.green = WMGreenComponentOfColor(panel->gray) >> 8;
 160                         color.blue = WMBlueComponentOfColor(panel->gray) >> 8;
 161                         RFillImage(back, &color);
 162                 }
 163
 164                 if (selected) {
 165                         tile = panel->tile;
 166                         RCombineArea(back, tile, 0, 0, tile->width, tile->height,
 167                                      (back->width - tile->width) / 2, (back->height - tile->height) / 2);
 168                 }
 169
 170                 RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
 171                                            (back->width - image->width) / 2, (back->height - image->height) / 2,
 172                                            opaq);
 173
 174                 RConvertImage(panel->scr->rcontext, back, &p);
 175                 XSetWindowBackgroundPixmap(dpy, WMWidgetXID(icon), p);
 176                 XClearWindow(dpy, WMWidgetXID(icon));
 177                 XFreePixmap(dpy, p);
 178         }
 179
 180         if (!panel->bg && !panel->tile && selected)
 181                 WMSetFrameRelief(icon, WRSimple);
 182 }
 183
 184 static void addIconForWindow(WSwitchPanel *panel, WMWidget *parent, WWindow *wwin, int x, int y)
 185 {
 186         WMFrame *icon = WMCreateFrame(parent);
 187         RImage *image = NULL;
 188
 189         WMSetFrameRelief(icon, WRFlat);
 190         WMResizeWidget(icon, icon_tile_size, icon_tile_size);
 191         WMMoveWidget(icon, x, y);
 192
 193         if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 194                 image = RRetainImage(wwin->net_icon_image);
 195
 196         /* get_icon_image() includes the default icon image */
 197         if (!image)
 198                 image = get_icon_image(panel->scr, wwin->wm_instance, wwin->wm_class, icon_tile_size);
 199
 200         /* We must resize the icon size (~64) to the switch panel icon size (~48) */
 201         image = wIconValidateIconSize(image, icon_size);
 202
 203         WMAddToArray(panel->images, image);
 204         WMAddToArray(panel->icons, icon);
 205 }
 206
 207 static void scrollIcons(WSwitchPanel *panel, int delta)
 208 {
 209         int nfirst = panel->firstVisible + delta;
 210         int i;
 211         int count = WMGetArrayItemCount(panel->windows);
 212         Bool dim;
 213
 214         if (count <= panel->visibleCount)
 215                 return;
 216
 217         if (nfirst < 0)
 218                 nfirst = 0;
 219         else if (nfirst >= count - panel->visibleCount)
 220                 nfirst = count - panel->visibleCount;
 221
 222         if (nfirst == panel->firstVisible)
 223                 return;
 224
 225         WMMoveWidget(panel->iconBox, -nfirst * icon_tile_size, 0);
 226
 227         panel->firstVisible = nfirst;
 228
 229         for (i = panel->firstVisible; i < panel->firstVisible + panel->visibleCount; i++) {
 230                 if (i == panel->current)
 231                         continue;
 232                 dim = ((int) (uintptr_t) WMGetFromArray(panel->flags, i) & ICON_DIM);
 233                 changeImage(panel, i, 0, dim, True);
 234         }
 235 }
 236
 237 /*
 238  * 0 1 2
 239  * 3 4 5
 240  * 6 7 8
 241  */
 242 static RImage *assemblePuzzleImage(RImage **images, int width, int height)
 243 {
 244         RImage *img;
 245         RImage *tmp;
 246         int tw, th;
 247         RColor color;
 248
 249         tw = width - images[0]->width - images[2]->width;
 250         th = height - images[0]->height - images[6]->height;
 251
 252         if (tw <= 0 || th <= 0)
 253                 return NULL;
 254
 255         img = RCreateImage(width, height, 1);
 256         if (!img)
 257                 return NULL;
 258
 259         color.red   =   0;
 260         color.green =   0;
 261         color.blue  =   0;
 262         color.alpha = 255;
 263         RFillImage(img, &color);
 264
 265         /* top */
 266         tmp = RSmoothScaleImage(images[1], tw, images[1]->height);
 267         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, 0);
 268         RReleaseImage(tmp);
 269
 270         /* bottom */
 271         tmp = RSmoothScaleImage(images[7], tw, images[7]->height);
 272         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[6]->width, height - images[6]->height);
 273         RReleaseImage(tmp);
 274
 275         /* left */
 276         tmp = RSmoothScaleImage(images[3], images[3]->width, th);
 277         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, 0, images[0]->height);
 278         RReleaseImage(tmp);
 279
 280         /* right */
 281         tmp = RSmoothScaleImage(images[5], images[5]->width, th);
 282         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, width - images[5]->width, images[2]->height);
 283         RReleaseImage(tmp);
 284
 285         /* center */
 286         tmp = RSmoothScaleImage(images[4], tw, th);
 287         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, images[0]->height);
 288         RReleaseImage(tmp);
 289
 290         /* corners */
 291         RCopyArea(img, images[0], 0, 0, images[0]->width, images[0]->height, 0, 0);
 292         RCopyArea(img, images[2], 0, 0, images[2]->width, images[2]->height, width - images[2]->width, 0);
 293         RCopyArea(img, images[6], 0, 0, images[6]->width, images[6]->height, 0, height - images[6]->height);
 294         RCopyArea(img, images[8], 0, 0, images[8]->width, images[8]->height,
 295                   width - images[8]->width, height - images[8]->height);
 296
 297         return img;
 298 }
 299
 300 static RImage *createBackImage(int width, int height)
 301 {
 302         return assemblePuzzleImage(wPreferences.swbackImage, width, height);
 303 }
 304
 305 static RImage *getTile(void)
 306 {
 307         RImage *stile;
 308
 309         if (!wPreferences.swtileImage)
 310                 return NULL;
 311
 312         stile = RScaleImage(wPreferences.swtileImage, icon_tile_size, icon_tile_size);
 313         if (!stile)
 314                 return wPreferences.swtileImage;
 315
 316         return stile;
 317 }
 318
 319 static void drawTitle(WSwitchPanel *panel, int idecks, const char *title)
 320 {
 321         char *ntitle;
 322         int width = WMWidgetWidth(panel->win);
 323         int x;
 324
 325         if (title)
 326                 ntitle = ShrinkString(panel->font, title, width - 2 * border_space);
 327         else
 328                 ntitle = NULL;
 329
 330         if (panel->bg) {
 331                 if (ntitle) {
 332                         if (strcmp(ntitle, title) != 0) {
 333                                 x = border_space;
 334                         } else {
 335                                 int w = WMWidthOfString(panel->font, ntitle, strlen(ntitle));
 336
 337                                 x = border_space + (idecks - panel->firstVisible) * icon_tile_size+
 338                                     icon_tile_size/ 2 - w / 2;
 339                                 if (x < border_space)
 340                                         x = border_space;
 341                                 else if (x + w > width - border_space)
 342                                         x = width - border_space - w;
 343                         }
 344                 }
 345
 346                 XClearWindow(dpy, WMWidgetXID(panel->win));
 347                 if (ntitle)
 348                         WMDrawString(panel->scr->wmscreen,
 349                                      WMWidgetXID(panel->win),
 350                                      panel->white, panel->font,
 351                                      x,
 352                                      WMWidgetHeight(panel->win) - border_space - label_height +
 353                                      WMFontHeight(panel->font) / 2, ntitle, strlen(ntitle));
 354         } else {
 355                 if (ntitle)
 356                         WMSetLabelText(panel->label, ntitle);
 357         }
 358
 359         if (ntitle)
 360                 free(ntitle);
 361 }
 362
 363 static WMArray *makeWindowListArray(WScreen *scr, int include_unmapped, Bool class_only)
 364 {
 365         WMArray *windows = WMCreateArray(10);
 366         WWindow *wwin = scr->focused_window;
 367
 368         while (wwin) {
 369                 if ((canReceiveFocus(wwin) != 0) &&
 370                     (wwin->flags.mapped || wwin->flags.shaded || include_unmapped)) {
 371                         if (class_only)
 372                                 if (!sameWindowClass(scr->focused_window, wwin)) {
 373                                         wwin = wwin->prev;
 374                                         continue;
 375                                 }
 376                         if (!WFLAGP(wwin, skip_switchpanel))
 377                                 WMAddToArray(windows, wwin);
 378                 }
 379                 wwin = wwin->prev;
 380         }
 381         return windows;
 382 }
 383
 384 static WMArray *makeWindowFlagsArray(int count)
 385 {
 386         WMArray *flags = WMCreateArray(count);
 387         int i;
 388
 389         for (i = 0; i < count; i++)
 390                 WMAddToArray(flags, (void *) 0);
 391
 392         return flags;
 393 }
 394
 395 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, Bool class_only)
 396 {
 397         int wmScaleWidth, wmScaleHeight;
 398         WMGetScaleBaseFromSystemFont(scr->wmscreen, &wmScaleWidth, &wmScaleHeight);
 399
 400         icon_size = wPreferences.switch_panel_icon_size;
 401         icon_tile_size = (short int)(((float)icon_size * 1.2F) + 0.5F);
 402         border_space = WMScaleY(10);
 403         label_height = WMScaleY(25);
 404
 405         WWindow *wwin;
 406         WSwitchPanel *panel = wmalloc(sizeof(WSwitchPanel));
 407         WMFrame *viewport;
 408         int i, width, height, iconsThatFitCount, count;
 409         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
 410
 411         panel->scr = scr;
 412         panel->windows = makeWindowListArray(scr, wPreferences.swtileImage != NULL, class_only);
 413         count = WMGetArrayItemCount(panel->windows);
 414         if (count)
 415                 panel->flags = makeWindowFlagsArray(count);
 416
 417         if (count == 0) {
 418                 WMFreeArray(panel->windows);
 419                 wfree(panel);
 420                 return NULL;
 421         }
 422
 423         width = icon_tile_size* count;
 424         iconsThatFitCount = count;
 425
 426         if (width > (int)rect.size.width) {
 427                 iconsThatFitCount = (rect.size.width - SCREEN_BORDER_SPACING) / icon_tile_size;
 428                 width = iconsThatFitCount * icon_tile_size;
 429         }
 430
 431         panel->visibleCount = iconsThatFitCount;
 432
 433         if (!wPreferences.swtileImage)
 434                 return panel;
 435
 436         height = label_height + icon_tile_size;
 437
 438         panel->tileTmp = RCreateImage(icon_tile_size, icon_tile_size, 1);
 439         panel->tile = getTile();
 440         if (panel->tile && wPreferences.swbackImage[8])
 441                 panel->bg = createBackImage(width + 2 * border_space, height + 2 * border_space);
 442
 443         if (!panel->tileTmp || !panel->tile) {
 444                 if (panel->bg)
 445                         RReleaseImage(panel->bg);
 446                 panel->bg = NULL;
 447                 if (panel->tile)
 448                         RReleaseImage(panel->tile);
 449                 panel->tile = NULL;
 450                 if (panel->tileTmp)
 451                         RReleaseImage(panel->tileTmp);
 452                 panel->tileTmp = NULL;
 453         }
 454
 455         panel->white = WMWhiteColor(scr->wmscreen);
 456         panel->gray = WMGrayColor(scr->wmscreen);
 457         panel->font = WMBoldSystemFontOfSize(scr->wmscreen, WMScaleY(12));
 458         panel->icons = WMCreateArray(count);
 459         panel->images = WMCreateArray(count);
 460
 461         panel->win = WMCreateWindow(scr->wmscreen, "");
 462
 463         if (!panel->bg) {
 464                 WMFrame *frame = WMCreateFrame(panel->win);
 465                 WMColor *darkGray = WMDarkGrayColor(scr->wmscreen);
 466                 WMSetFrameRelief(frame, WRSimple);
 467                 WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 468
 469                 panel->label = WMCreateLabel(panel->win);
 470                 WMResizeWidget(panel->label, width, label_height);
 471                 WMMoveWidget(panel->label, border_space, border_space + icon_tile_size+ 5);
 472                 WMSetLabelRelief(panel->label, WRSimple);
 473                 WMSetWidgetBackgroundColor(panel->label, darkGray);
 474                 WMSetLabelFont(panel->label, panel->font);
 475                 WMSetLabelTextColor(panel->label, panel->white);
 476
 477                 WMReleaseColor(darkGray);
 478                 height += 5;
 479         }
 480
 481         WMResizeWidget(panel->win, width + 2 * border_space, height + 2 * border_space);
 482
 483         viewport = WMCreateFrame(panel->win);
 484         WMResizeWidget(viewport, width, icon_tile_size);
 485         WMMoveWidget(viewport, border_space, border_space);
 486         WMSetFrameRelief(viewport, WRFlat);
 487
 488         panel->iconBox = WMCreateFrame(viewport);
 489         WMMoveWidget(panel->iconBox, 0, 0);
 490         WMResizeWidget(panel->iconBox, icon_tile_size* count, icon_tile_size);
 491         WMSetFrameRelief(panel->iconBox, WRFlat);
 492
 493         WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 494                 addIconForWindow(panel, panel->iconBox, wwin, i * icon_tile_size, 0);
 495         }
 496
 497         WMMapSubwidgets(panel->win);
 498         WMRealizeWidget(panel->win);
 499
 500         WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 501                 changeImage(panel, i, 0, False, True);
 502         }
 503
 504         if (panel->bg) {
 505                 Pixmap pixmap, mask;
 506
 507                 RConvertImageMask(scr->rcontext, panel->bg, &pixmap, &mask, 250);
 508
 509                 XSetWindowBackgroundPixmap(dpy, WMWidgetXID(panel->win), pixmap);
 510
 511 #ifdef USE_XSHAPE
 512                 if (mask && w_global.xext.shape.supported)
 513                         XShapeCombineMask(dpy, WMWidgetXID(panel->win), ShapeBounding, 0, 0, mask, ShapeSet);
 514 #endif
 515                 if (pixmap)
 516                         XFreePixmap(dpy, pixmap);
 517
 518                 if (mask)
 519                         XFreePixmap(dpy, mask);
 520         }
 521
 522         {
 523                 WMPoint center;
 524                 center = wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 525                                                      width + 2 * border_space, height + 2 * border_space);
 526                 WMMoveWidget(panel->win, center.x, center.y);
 527         }
 528
 529         panel->current = WMGetFirstInArray(panel->windows, curwin);
 530         if (panel->current >= 0)
 531                 changeImage(panel, panel->current, 1, False, False);
 532
 533         WMMapWidget(panel->win);
 534
 535         return panel;
 536 }
 537
 538 void wSwitchPanelDestroy(WSwitchPanel *panel)
 539 {
 540         int i;
 541         RImage *image;
 542
 543         if (panel->win) {
 544                 Window info_win = panel->scr->info_window;
 545                 XEvent ev;
 546                 ev.xclient.type = ClientMessage;
 547                 ev.xclient.message_type = w_global.atom.wm.ignore_focus_events;
 548                 ev.xclient.format = 32;
 549                 ev.xclient.data.l[0] = True;
 550
 551                 XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
 552                 WMUnmapWidget(panel->win);
 553
 554                 ev.xclient.data.l[0] = False;
 555                 XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
 556         }
 557
 558         if (panel->images) {
 559                 WM_ITERATE_ARRAY(panel->images, image, i) {
 560                         if (image)
 561                                 RReleaseImage(image);
 562                 }
 563                 WMFreeArray(panel->images);
 564         }
 565
 566         if (panel->win)
 567                 WMDestroyWidget(panel->win);
 568
 569         if (panel->icons)
 570                 WMFreeArray(panel->icons);
 571
 572         if (panel->flags)
 573                 WMFreeArray(panel->flags);
 574
 575         WMFreeArray(panel->windows);
 576
 577         if (panel->tile)
 578                 RReleaseImage(panel->tile);
 579
 580         if (panel->tileTmp)
 581                 RReleaseImage(panel->tileTmp);
 582
 583         if (panel->bg)
 584                 RReleaseImage(panel->bg);
 585
 586         if (panel->font)
 587                 WMReleaseFont(panel->font);
 588
 589         if (panel->white)
 590                 WMReleaseColor(panel->white);
 591
 592         if (panel->gray)
 593                 WMReleaseColor(panel->gray);
 594
 595         wfree(panel);
 596 }
 597
 598 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back, int ignore_minimized, Bool class_only)
 599 {
 600         WWindow *wwin, *curwin, *tmpwin;
 601         int count = WMGetArrayItemCount(panel->windows);
 602         int orig = panel->current;
 603         int i;
 604         Bool dim = False;
 605
 606         if (count == 0)
 607                 return NULL;
 608
 609         if (!wPreferences.cycle_ignore_minimized)
 610                 ignore_minimized = False;
 611
 612         if (ignore_minimized && canReceiveFocus(WMGetFromArray(panel->windows, (count + panel->current) % count)) < 0)
 613                 ignore_minimized = False;
 614
 615         curwin = WMGetFromArray(panel->windows, orig);
 616         do {
 617                 do {
 618                         if (back)
 619                                 panel->current--;
 620                         else
 621                                 panel->current++;
 622
 623                         panel->current = (count + panel->current) % count;
 624                         wwin = WMGetFromArray(panel->windows, panel->current);
 625
 626                         if (!class_only)
 627                                 break;
 628                         if (panel->current == orig)
 629                                 break;
 630                 } while (!sameWindowClass(wwin, curwin));
 631         } while (ignore_minimized && panel->current != orig && canReceiveFocus(wwin) < 0);
 632
 633         WM_ITERATE_ARRAY(panel->windows, tmpwin, i) {
 634                 if (i == panel->current)
 635                         continue;
 636                 if (!class_only || sameWindowClass(tmpwin, curwin))
 637                         changeImage(panel, i, 0, False, False);
 638                 else {
 639                         if (i == orig)
 640                                 dim = True;
 641                         changeImage(panel, i, 0, True, False);
 642                 }
 643
 644         }
 645
 646         if (panel->current < panel->firstVisible)
 647                 scrollIcons(panel, panel->current - panel->firstVisible);
 648         else if (panel->current - panel->firstVisible >= panel->visibleCount)
 649                 scrollIcons(panel, panel->current - panel->firstVisible - panel->visibleCount + 1);
 650
 651         if (panel->win) {
 652                 drawTitle(panel, panel->current, wwin->frame->title);
 653                 if (panel->current != orig)
 654                         changeImage(panel, orig, 0, dim, False);
 655                 changeImage(panel, panel->current, 1, False, False);
 656         }
 657
 658         return wwin;
 659 }
 660
 661 WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 662 {
 663         WWindow *wwin;
 664         int count = WMGetArrayItemCount(panel->windows);
 665         char *title;
 666         int i;
 667
 668         if (count == 0)
 669                 return NULL;
 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         title = wwin->frame->title;
 681
 682         if (panel->win) {
 683                 for (WMArrayFirst(panel->windows, &(i)); (i) != WANotFound; WMArrayNext(panel->windows, &(i)))
 684                         changeImage(panel, i, i == panel->current, False, False);
 685
 686                 drawTitle(panel, panel->current, title);
 687         }
 688
 689         return wwin;
 690 }
 691
 692 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 693 {
 694         WMFrame *icon;
 695         int i;
 696         int focus = -1;
 697
 698         if (!panel->win)
 699                 return NULL;
 700
 701         if (event->type == MotionNotify) {
 702                 WM_ITERATE_ARRAY(panel->icons, icon, i) {
 703                         if (WMWidgetXID(icon) == event->xmotion.window) {
 704                                 focus = i;
 705                                 break;
 706                         }
 707                 }
 708         }
 709
 710         if (focus >= 0 && panel->current != focus) {
 711                 WWindow *wwin;
 712
 713                 WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 714                         changeImage(panel, i, i == focus, False, False);
 715                 }
 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 Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
 729 {
 730         if (!swpanel->win)
 731                 return None;
 732
 733         return WMWidgetXID(swpanel->win);
 734 }