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