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 extern Atom _XA_WM_IGNORE_FOCUS_EVENTS;
  39
  40 #ifdef SHAPE
  41 #include <X11/extensions/shape.h>
  42
  43 extern Bool wShapeSupported;
  44 #endif
  45
  46 struct SwitchPanel {
  47         WScreen *scr;
  48         WMWindow *win;
  49         WMFrame *iconBox;
  50
  51         WMArray *icons;
  52         WMArray *images;
  53         WMArray *windows;
  54         WMArray *flags;
  55         RImage *bg;
  56         int current;
  57         int firstVisible;
  58         int visibleCount;
  59
  60         WMLabel *label;
  61
  62         RImage *tileTmp;
  63         RImage *tile;
  64
  65         WMFont *font;
  66         WMColor *white;
  67 };
  68
  69 extern WPreferences wPreferences;
  70
  71 #define BORDER_SPACE 10
  72 #define ICON_SIZE 48
  73 #define ICON_TILE_SIZE 64
  74 #define LABEL_HEIGHT 25
  75 #define SCREEN_BORDER_SPACING 2*20
  76 #define SCROLL_STEPS (ICON_TILE_SIZE/2)
  77
  78 #define ICON_SELECTED (1<<1)
  79 #define ICON_DIM (1<<2)
  80
  81 static int canReceiveFocus(WWindow *wwin)
  82 {
  83         if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
  84                 return 0;
  85
  86         if (wPreferences.cycle_active_head_only &&
  87             wGetHeadForWindow(wwin) != wGetHeadForPointerLocation(wwin->screen_ptr))
  88                 return 0;
  89
  90         if (WFLAGP(wwin, no_focusable))
  91                 return 0;
  92
  93         if (!wwin->flags.mapped) {
  94                 if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
  95                         return 0;
  96                 else
  97                         return -1;
  98         }
  99
 100         return 1;
 101 }
 102
 103 static Bool sameWindowClass(WWindow *wwin, WWindow *curwin)
 104 {
 105         if (!wwin->wm_class || !curwin->wm_class)
 106                 return False;
 107         if (strcmp(wwin->wm_class, curwin->wm_class))
 108                 return False;
 109
 110         return True;
 111 }
 112
 113 static void changeImage(WSwitchPanel *panel, int idecks, int selected, Bool dim, Bool force)
 114 {
 115         WMFrame *icon = NULL;
 116         RImage *image = NULL;
 117         char flags = 0;
 118         char desired = 0;
 119
 120         /* This whole function is a no-op if we aren't drawing the panel */
 121         if (!wPreferences.swtileImage)
 122                 return;
 123
 124         icon = WMGetFromArray(panel->icons, idecks);
 125         image = WMGetFromArray(panel->images, idecks);
 126         flags = (char) (uintptr_t) WMGetFromArray(panel->flags, idecks);
 127
 128         if (selected)
 129                 desired |= ICON_SELECTED;
 130         if (dim)
 131                 desired |= ICON_DIM;
 132
 133         if (flags == desired && !force)
 134                 return;
 135
 136         WMReplaceInArray(panel->flags, idecks, (void *) (uintptr_t) desired);
 137
 138         if (!panel->bg && !panel->tile && !selected)
 139                 WMSetFrameRelief(icon, WRFlat);
 140
 141         if (image && icon) {
 142                 RImage *back;
 143                 int opaq = (dim) ? 75 : 255;
 144                 RImage *tile;
 145                 WMPoint pos;
 146                 Pixmap p;
 147
 148                 if (canReceiveFocus(WMGetFromArray(panel->windows, idecks)) < 0)
 149                         opaq = 50;
 150
 151                 pos = WMGetViewPosition(WMWidgetView(icon));
 152                 back = panel->tileTmp;
 153                 if (panel->bg) {
 154                         RCopyArea(back, panel->bg,
 155                                   BORDER_SPACE + pos.x - panel->firstVisible * ICON_TILE_SIZE,
 156                                   BORDER_SPACE + pos.y, back->width, back->height, 0, 0);
 157                 } else {
 158                         RColor color;
 159                         WMScreen *wscr = WMWidgetScreen(icon);
 160                         color.red = 255;
 161                         color.red = WMRedComponentOfColor(WMGrayColor(wscr)) >> 8;
 162                         color.green = WMGreenComponentOfColor(WMGrayColor(wscr)) >> 8;
 163                         color.blue = WMBlueComponentOfColor(WMGrayColor(wscr)) >> 8;
 164                         RFillImage(back, &color);
 165                 }
 166
 167                 if (selected) {
 168                         tile = panel->tile;
 169                         RCombineArea(back, tile, 0, 0, tile->width, tile->height,
 170                                      (back->width - tile->width) / 2, (back->height - tile->height) / 2);
 171                 }
 172
 173                 RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
 174                                            (back->width - image->width) / 2, (back->height - image->height) / 2,
 175                                            opaq);
 176
 177                 RConvertImage(panel->scr->rcontext, back, &p);
 178                 XSetWindowBackgroundPixmap(dpy, WMWidgetXID(icon), p);
 179                 XClearWindow(dpy, WMWidgetXID(icon));
 180                 XFreePixmap(dpy, p);
 181         }
 182
 183         if (!panel->bg && !panel->tile && selected)
 184                 WMSetFrameRelief(icon, WRSimple);
 185 }
 186
 187 static void addIconForWindow(WSwitchPanel *panel, WMWidget *parent, WWindow *wwin, int x, int y)
 188 {
 189         WMFrame *icon = WMCreateFrame(parent);
 190         RImage *image = NULL;
 191
 192         WMSetFrameRelief(icon, WRFlat);
 193         WMResizeWidget(icon, ICON_TILE_SIZE, ICON_TILE_SIZE);
 194         WMMoveWidget(icon, x, y);
 195
 196         if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 197                 image = RRetainImage(wwin->net_icon_image);
 198
 199         /* get_icon_image() includes the default icon image */
 200         if (!image)
 201                 image = get_icon_image(panel->scr, wwin->wm_instance, wwin->wm_class, ICON_TILE_SIZE);
 202
 203         /* We must resize the icon size (~64) to the switchpanel icon size (~48) */
 204         image = wIconValidateIconSize(image, ICON_SIZE);
 205
 206         WMAddToArray(panel->images, image);
 207         WMAddToArray(panel->icons, icon);
 208 }
 209
 210 static void scrollIcons(WSwitchPanel *panel, int delta)
 211 {
 212         int nfirst = panel->firstVisible + delta;
 213         int i;
 214         int count = WMGetArrayItemCount(panel->windows);
 215         Bool dim;
 216
 217         if (count <= panel->visibleCount)
 218                 return;
 219
 220         if (nfirst < 0)
 221                 nfirst = 0;
 222         else if (nfirst >= count - panel->visibleCount)
 223                 nfirst = count - panel->visibleCount;
 224
 225         if (nfirst == panel->firstVisible)
 226                 return;
 227
 228         WMMoveWidget(panel->iconBox, -nfirst * ICON_TILE_SIZE, 0);
 229
 230         panel->firstVisible = nfirst;
 231
 232         for (i = panel->firstVisible; i < panel->firstVisible + panel->visibleCount; i++) {
 233                 if (i == panel->current)
 234                         continue;
 235                 dim = ((char) (uintptr_t) WMGetFromArray(panel->flags, i) & ICON_DIM);
 236                 changeImage(panel, i, 0, dim, True);
 237         }
 238 }
 239
 240 /*
 241  * 0 1 2
 242  * 3 4 5
 243  * 6 7 8
 244  */
 245 static RImage *assemblePuzzleImage(RImage **images, int width, int height)
 246 {
 247         RImage *img = RCreateImage(width, height, 1);
 248         RImage *tmp;
 249         int tw, th;
 250         RColor color;
 251         if (!img)
 252                 return NULL;
 253
 254         color.red = 0;
 255         color.green = 0;
 256         color.blue = 0;
 257         color.alpha = 255;
 258
 259         RFillImage(img, &color);
 260
 261         tw = width - images[0]->width - images[2]->width;
 262         th = height - images[0]->height - images[6]->height;
 263
 264         if (tw <= 0 || th <= 0)
 265                 return NULL;
 266
 267         /* top */
 268         if (tw > 0) {
 269                 tmp = RSmoothScaleImage(images[1], tw, images[1]->height);
 270                 RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, 0);
 271                 RReleaseImage(tmp);
 272         }
 273         /* bottom */
 274         if (tw > 0) {
 275                 tmp = RSmoothScaleImage(images[7], tw, images[7]->height);
 276                 RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[6]->width, height - images[6]->height);
 277                 RReleaseImage(tmp);
 278         }
 279         /* left */
 280         if (th > 0) {
 281                 tmp = RSmoothScaleImage(images[3], images[3]->width, th);
 282                 RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, 0, images[0]->height);
 283                 RReleaseImage(tmp);
 284         }
 285         /* right */
 286         if (th > 0) {
 287                 tmp = RSmoothScaleImage(images[5], images[5]->width, th);
 288                 RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, width - images[5]->width, images[2]->height);
 289                 RReleaseImage(tmp);
 290         }
 291         /* center */
 292         if (tw > 0 && th > 0) {
 293                 tmp = RSmoothScaleImage(images[4], tw, th);
 294                 RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, images[0]->height);
 295                 RReleaseImage(tmp);
 296         }
 297
 298         /* corners */
 299         RCopyArea(img, images[0], 0, 0, images[0]->width, images[0]->height, 0, 0);
 300         RCopyArea(img, images[2], 0, 0, images[2]->width, images[2]->height, width - images[2]->width, 0);
 301         RCopyArea(img, images[6], 0, 0, images[6]->width, images[6]->height, 0, height - images[6]->height);
 302         RCopyArea(img, images[8], 0, 0, images[8]->width, images[8]->height,
 303                   width - images[8]->width, height - images[8]->height);
 304
 305         return img;
 306 }
 307
 308 static RImage *createBackImage(int width, int height)
 309 {
 310         return assemblePuzzleImage(wPreferences.swbackImage, width, height);
 311 }
 312
 313 static RImage *getTile(void)
 314 {
 315         RImage *stile;
 316
 317         if (!wPreferences.swtileImage)
 318                 return NULL;
 319
 320         stile = RScaleImage(wPreferences.swtileImage, ICON_TILE_SIZE, ICON_TILE_SIZE);
 321         if (!stile)
 322                 return wPreferences.swtileImage;
 323
 324         return stile;
 325 }
 326
 327 static void drawTitle(WSwitchPanel *panel, int idecks, const char *title)
 328 {
 329         char *ntitle;
 330         int width = WMWidgetWidth(panel->win);
 331         int x;
 332
 333         if (title)
 334                 ntitle = ShrinkString(panel->font, title, width - 2 * BORDER_SPACE);
 335         else
 336                 ntitle = NULL;
 337
 338         if (panel->bg) {
 339                 if (ntitle) {
 340                         if (strcmp(ntitle, title) != 0) {
 341                                 x = BORDER_SPACE;
 342                         } else {
 343                                 int w = WMWidthOfString(panel->font, ntitle, strlen(ntitle));
 344
 345                                 x = BORDER_SPACE + (idecks - panel->firstVisible) * ICON_TILE_SIZE +
 346                                     ICON_TILE_SIZE / 2 - w / 2;
 347                                 if (x < BORDER_SPACE)
 348                                         x = BORDER_SPACE;
 349                                 else if (x + w > width - BORDER_SPACE)
 350                                         x = width - BORDER_SPACE - w;
 351                         }
 352                 }
 353
 354                 XClearWindow(dpy, WMWidgetXID(panel->win));
 355                 if (ntitle)
 356                         WMDrawString(panel->scr->wmscreen,
 357                                      WMWidgetXID(panel->win),
 358                                      panel->white, panel->font,
 359                                      x,
 360                                      WMWidgetHeight(panel->win) - BORDER_SPACE - LABEL_HEIGHT +
 361                                      WMFontHeight(panel->font) / 2, ntitle, strlen(ntitle));
 362         } else {
 363                 if (ntitle)
 364                         WMSetLabelText(panel->label, ntitle);
 365         }
 366
 367         if (ntitle)
 368                 free(ntitle);
 369 }
 370
 371 static WMArray *makeWindowListArray(WWindow *curwin, int include_unmapped, Bool class_only)
 372 {
 373         WMArray *windows = WMCreateArray(10);
 374         int fl;
 375         WWindow *wwin;
 376
 377         for (fl = 0; fl < 2; fl++) {
 378                 for (wwin = curwin; wwin; wwin = wwin->prev) {
 379                         if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 380                             (wwin->flags.mapped || include_unmapped)) {
 381                                 if (class_only)
 382                                         if (!sameWindowClass(wwin, curwin))
 383                                                 continue;
 384
 385                                 if (!WFLAGP(wwin, skip_switchpanel))
 386                                         WMAddToArray(windows, wwin);
 387                         }
 388                 }
 389                 wwin = curwin;
 390                 /* start over from the beginning of the list */
 391                 while (wwin->next)
 392                         wwin = wwin->next;
 393
 394                 for (wwin = curwin; wwin && wwin != curwin; wwin = wwin->prev) {
 395                         if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 396                             (wwin->flags.mapped || include_unmapped)) {
 397                                 if (class_only)
 398                                     if (!sameWindowClass(wwin, curwin))
 399                                         continue;
 400                                 if (!WFLAGP(wwin, skip_switchpanel))
 401                                 WMAddToArray(windows, wwin);
 402                         }
 403                 }
 404         }
 405
 406         return windows;
 407 }
 408
 409 static WMArray *makeWindowFlagsArray(int count)
 410 {
 411         WMArray *flags = WMCreateArray(1);
 412         int i;
 413
 414         for (i = 0; i < count; i++)
 415                 WMAddToArray(flags, (char) 0);
 416
 417         return flags;
 418 }
 419
 420 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, Bool class_only)
 421 {
 422         WWindow *wwin;
 423         WSwitchPanel *panel = wmalloc(sizeof(WSwitchPanel));
 424         WMFrame *viewport;
 425         int i, width, height, iconsThatFitCount, count;
 426         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
 427
 428         panel->scr = scr;
 429         panel->windows = makeWindowListArray(curwin, wPreferences.swtileImage != NULL, class_only);
 430         count = WMGetArrayItemCount(panel->windows);
 431         if (count)
 432                 panel->flags = makeWindowFlagsArray(count);
 433
 434         if (count == 0) {
 435                 WMFreeArray(panel->windows);
 436                 wfree(panel);
 437                 return NULL;
 438         }
 439
 440         width = ICON_TILE_SIZE * count;
 441         iconsThatFitCount = count;
 442
 443         if (width > rect.size.width) {
 444                 iconsThatFitCount = (rect.size.width - SCREEN_BORDER_SPACING) / ICON_TILE_SIZE;
 445                 width = iconsThatFitCount * ICON_TILE_SIZE;
 446         }
 447
 448         panel->visibleCount = iconsThatFitCount;
 449
 450         if (!wPreferences.swtileImage)
 451                 return panel;
 452
 453         height = LABEL_HEIGHT + ICON_TILE_SIZE;
 454
 455         panel->tileTmp = RCreateImage(ICON_TILE_SIZE, ICON_TILE_SIZE, 1);
 456         panel->tile = getTile();
 457         if (panel->tile && wPreferences.swbackImage[8])
 458                 panel->bg = createBackImage(width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
 459
 460         if (!panel->tileTmp || !panel->tile) {
 461                 if (panel->bg)
 462                         RReleaseImage(panel->bg);
 463                 panel->bg = NULL;
 464                 if (panel->tile)
 465                         RReleaseImage(panel->tile);
 466                 panel->tile = NULL;
 467                 if (panel->tileTmp)
 468                         RReleaseImage(panel->tileTmp);
 469                 panel->tileTmp = NULL;
 470         }
 471
 472         panel->white = WMWhiteColor(scr->wmscreen);
 473         panel->font = WMBoldSystemFontOfSize(scr->wmscreen, 12);
 474         panel->icons = WMCreateArray(count);
 475         panel->images = WMCreateArray(count);
 476
 477         panel->win = WMCreateWindow(scr->wmscreen, "");
 478
 479         if (!panel->bg) {
 480                 WMFrame *frame = WMCreateFrame(panel->win);
 481                 WMColor *darkGray = WMDarkGrayColor(scr->wmscreen);
 482                 WMSetFrameRelief(frame, WRSimple);
 483                 WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 484
 485                 panel->label = WMCreateLabel(panel->win);
 486                 WMResizeWidget(panel->label, width, LABEL_HEIGHT);
 487                 WMMoveWidget(panel->label, BORDER_SPACE, BORDER_SPACE + ICON_TILE_SIZE + 5);
 488                 WMSetLabelRelief(panel->label, WRSimple);
 489                 WMSetWidgetBackgroundColor(panel->label, darkGray);
 490                 WMSetLabelFont(panel->label, panel->font);
 491                 WMSetLabelTextColor(panel->label, panel->white);
 492
 493                 WMReleaseColor(darkGray);
 494                 height += 5;
 495         }
 496
 497         WMResizeWidget(panel->win, width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
 498
 499         viewport = WMCreateFrame(panel->win);
 500         WMResizeWidget(viewport, width, ICON_TILE_SIZE);
 501         WMMoveWidget(viewport, BORDER_SPACE, BORDER_SPACE);
 502         WMSetFrameRelief(viewport, WRFlat);
 503
 504         panel->iconBox = WMCreateFrame(viewport);
 505         WMMoveWidget(panel->iconBox, 0, 0);
 506         WMResizeWidget(panel->iconBox, ICON_TILE_SIZE * count, ICON_TILE_SIZE);
 507         WMSetFrameRelief(panel->iconBox, WRFlat);
 508
 509         WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 510                 addIconForWindow(panel, panel->iconBox, wwin, i * ICON_TILE_SIZE, 0);
 511         }
 512
 513         WMMapSubwidgets(panel->win);
 514         WMRealizeWidget(panel->win);
 515
 516         WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 517                 changeImage(panel, i, 0, False, True);
 518         }
 519
 520         if (panel->bg) {
 521                 Pixmap pixmap, mask;
 522
 523                 RConvertImageMask(scr->rcontext, panel->bg, &pixmap, &mask, 250);
 524
 525                 XSetWindowBackgroundPixmap(dpy, WMWidgetXID(panel->win), pixmap);
 526
 527 #ifdef SHAPE
 528                 if (mask && wShapeSupported)
 529                         XShapeCombineMask(dpy, WMWidgetXID(panel->win), ShapeBounding, 0, 0, mask, ShapeSet);
 530 #endif
 531                 if (pixmap)
 532                         XFreePixmap(dpy, pixmap);
 533
 534                 if (mask)
 535                         XFreePixmap(dpy, mask);
 536         }
 537
 538         {
 539                 WMPoint center;
 540                 center = wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 541                                                      width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
 542                 WMMoveWidget(panel->win, center.x, center.y);
 543         }
 544
 545         panel->current = WMGetFirstInArray(panel->windows, curwin);
 546         if (panel->current >= 0)
 547                 changeImage(panel, panel->current, 1, False, False);
 548
 549         WMMapWidget(panel->win);
 550
 551         return panel;
 552 }
 553
 554 void wSwitchPanelDestroy(WSwitchPanel *panel)
 555 {
 556         int i;
 557         RImage *image;
 558
 559         if (panel->win) {
 560                 Window info_win = panel->scr->info_window;
 561                 XEvent ev;
 562                 ev.xclient.type = ClientMessage;
 563                 ev.xclient.message_type = _XA_WM_IGNORE_FOCUS_EVENTS;
 564                 ev.xclient.format = 32;
 565                 ev.xclient.data.l[0] = True;
 566
 567                 XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
 568                 WMUnmapWidget(panel->win);
 569
 570                 ev.xclient.data.l[0] = False;
 571                 XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
 572         }
 573
 574         if (panel->images) {
 575                 WM_ITERATE_ARRAY(panel->images, image, i) {
 576                         if (image)
 577                                 RReleaseImage(image);
 578                 }
 579                 WMFreeArray(panel->images);
 580         }
 581
 582         if (panel->win)
 583                 WMDestroyWidget(panel->win);
 584
 585         if (panel->icons)
 586                 WMFreeArray(panel->icons);
 587
 588         if (panel->flags)
 589                 WMFreeArray(panel->flags);
 590
 591         WMFreeArray(panel->windows);
 592
 593         if (panel->tile)
 594                 RReleaseImage(panel->tile);
 595
 596         if (panel->tileTmp)
 597                 RReleaseImage(panel->tileTmp);
 598
 599         if (panel->bg)
 600                 RReleaseImage(panel->bg);
 601
 602         if (panel->font)
 603                 WMReleaseFont(panel->font);
 604
 605         if (panel->white)
 606                 WMReleaseColor(panel->white);
 607
 608         wfree(panel);
 609 }
 610
 611 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back, int ignore_minimized, Bool class_only)
 612 {
 613         WWindow *wwin, *curwin, *tmpwin;
 614         int count = WMGetArrayItemCount(panel->windows);
 615         int orig = panel->current;
 616         int i;
 617         Bool dim = False;
 618
 619         if (count == 0)
 620                 return NULL;
 621
 622         if (!wPreferences.cycle_ignore_minimized)
 623                 ignore_minimized = False;
 624
 625         if (ignore_minimized && canReceiveFocus(WMGetFromArray(panel->windows, (count + panel->current) % count)) < 0)
 626                 ignore_minimized = False;
 627
 628         curwin = WMGetFromArray(panel->windows, orig);
 629         do {
 630                 do {
 631                         if (back)
 632                                 panel->current--;
 633                         else
 634                                 panel->current++;
 635
 636                         panel->current= (count + panel->current) % count;
 637                         wwin = WMGetFromArray(panel->windows, panel->current);
 638
 639                         if (!class_only)
 640                                 break;
 641                         if (panel->current == orig)
 642                                 break;
 643                 } while (!sameWindowClass(wwin, curwin));
 644         } while (ignore_minimized && panel->current != orig && canReceiveFocus(wwin) < 0);
 645
 646         WM_ITERATE_ARRAY(panel->windows, tmpwin, i) {
 647                 if (i == panel->current)
 648                         continue;
 649                 if (!class_only || sameWindowClass(tmpwin, curwin))
 650                         changeImage(panel, i, 0, False, False);
 651                 else {
 652                         if (i == orig)
 653                                 dim = True;
 654                         changeImage(panel, i, 0, True, False);
 655                 }
 656
 657         }
 658
 659         if (panel->current < panel->firstVisible)
 660                 scrollIcons(panel, panel->current - panel->firstVisible);
 661         else if (panel->current - panel->firstVisible >= panel->visibleCount)
 662                 scrollIcons(panel, panel->current - panel->firstVisible - panel->visibleCount + 1);
 663
 664         if (panel->win) {
 665                 drawTitle(panel, panel->current, wwin->frame->title);
 666                 if (panel->current != orig)
 667                         changeImage(panel, orig, 0, dim, False);
 668                 changeImage(panel, panel->current, 1, False, False);
 669         }
 670
 671         return wwin;
 672 }
 673
 674 WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 675 {
 676         WWindow *wwin;
 677         int count = WMGetArrayItemCount(panel->windows);
 678         char *title;
 679         int i;
 680
 681         if (count == 0)
 682                 return NULL;
 683
 684         if (back) {
 685                 panel->current = count - 1;
 686                 scrollIcons(panel, count);
 687         } else {
 688                 panel->current = 0;
 689                 scrollIcons(panel, -count);
 690         }
 691
 692         wwin = WMGetFromArray(panel->windows, panel->current);
 693         title = wwin->frame->title;
 694
 695         if (panel->win) {
 696                 WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 697                         changeImage(panel, i, i == panel->current, False, False);
 698                 }
 699                 drawTitle(panel, panel->current, title);
 700         }
 701
 702         return wwin;
 703 }
 704
 705 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 706 {
 707         WMFrame *icon;
 708         int i;
 709         int focus = -1;
 710
 711         if (!panel->win)
 712                 return NULL;
 713
 714         if (event->type == MotionNotify) {
 715                 WM_ITERATE_ARRAY(panel->icons, icon, i) {
 716                         if (WMWidgetXID(icon) == event->xmotion.window) {
 717                                 focus = i;
 718                                 break;
 719                         }
 720                 }
 721         }
 722
 723         if (focus >= 0 && panel->current != focus) {
 724                 WWindow *wwin;
 725
 726                 WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 727                         changeImage(panel, i, i == focus, False, False);
 728                 }
 729                 panel->current = focus;
 730
 731                 wwin = WMGetFromArray(panel->windows, focus);
 732
 733                 drawTitle(panel, panel->current, wwin->frame->title);
 734
 735                 return wwin;
 736         }
 737
 738         return NULL;
 739 }
 740
 741 Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
 742 {
 743         if (!swpanel->win)
 744                 return None;
 745
 746         return WMWidgetXID(swpanel->win);
 747 }