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 };
  65
  66 /* these values will be updated whenever the switch panel
  67  * is created to to match the size defined in switch_panel_icon_size
  68  * and the selected font size */
  69 static short int icon_size;
  70 static short int border_space;
  71 static short int icon_tile_size;
  72 static short int label_height;
  73
  74 #define SCREEN_BORDER_SPACING 2*20
  75
  76 #define ICON_SELECTED (1<<1)
  77 #define ICON_DIM (1<<2)
  78
  79 static int canReceiveFocus(WWindow *wwin)
  80 {
  81         if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
  82                 return 0;
  83
  84         if (wPreferences.cycle_active_head_only &&
  85             wGetHeadForWindow(wwin) != wGetHeadForPointerLocation(wwin->screen_ptr))
  86                 return 0;
  87
  88         if (WFLAGP(wwin, no_focusable))
  89                 return 0;
  90
  91         if (!wwin->flags.mapped) {
  92                 if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
  93                         return 0;
  94                 else
  95                         return -1;
  96         }
  97
  98         return 1;
  99 }
 100
 101 static Bool sameWindowClass(WWindow *wwin, WWindow *curwin)
 102 {
 103         if (!wwin->wm_class || !curwin->wm_class)
 104                 return False;
 105         if (strcmp(wwin->wm_class, curwin->wm_class))
 106                 return False;
 107
 108         return True;
 109 }
 110
 111 static void changeImage(WSwitchPanel *panel, int idecks, int selected, Bool dim, Bool force)
 112 {
 113         WMFrame *icon = NULL;
 114         RImage *image = NULL;
 115         int flags;
 116         int desired = 0;
 117
 118         /* This whole function is a no-op if we aren't drawing the panel */
 119         if (!wPreferences.swtileImage)
 120                 return;
 121
 122         icon = WMGetFromArray(panel->icons, idecks);
 123         image = WMGetFromArray(panel->images, idecks);
 124         flags = (int) (uintptr_t) WMGetFromArray(panel->flags, idecks);
 125
 126         if (selected)
 127                 desired |= ICON_SELECTED;
 128         if (dim)
 129                 desired |= ICON_DIM;
 130
 131         if (flags == desired && !force)
 132                 return;
 133
 134         WMReplaceInArray(panel->flags, idecks, (void *) (uintptr_t) desired);
 135
 136         if (!panel->bg && !panel->tile && !selected)
 137                 WMSetFrameRelief(icon, WRFlat);
 138
 139         if (image && icon) {
 140                 RImage *back;
 141                 int opaq = (dim) ? 75 : 255;
 142                 RImage *tile;
 143                 WMPoint pos;
 144                 Pixmap p;
 145
 146                 if (canReceiveFocus(WMGetFromArray(panel->windows, idecks)) < 0)
 147                         opaq = 50;
 148
 149                 pos = WMGetViewPosition(WMWidgetView(icon));
 150                 back = panel->tileTmp;
 151                 if (panel->bg) {
 152                         RCopyArea(back, panel->bg,
 153                                   border_space + pos.x - panel->firstVisible * icon_tile_size,
 154                                   border_space + pos.y, back->width, back->height, 0, 0);
 155                 } else {
 156                         RColor color;
 157                         WMScreen *wscr = WMWidgetScreen(icon);
 158                         color.red = 255;
 159                         color.red = WMRedComponentOfColor(WMGrayColor(wscr)) >> 8;
 160                         color.green = WMGreenComponentOfColor(WMGrayColor(wscr)) >> 8;
 161                         color.blue = WMBlueComponentOfColor(WMGrayColor(wscr)) >> 8;
 162                         RFillImage(back, &color);
 163                 }
 164
 165                 if (selected) {
 166                         tile = panel->tile;
 167                         RCombineArea(back, tile, 0, 0, tile->width, tile->height,
 168                                      (back->width - tile->width) / 2, (back->height - tile->height) / 2);
 169                 }
 170
 171                 RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
 172                                            (back->width - image->width) / 2, (back->height - image->height) / 2,
 173                                            opaq);
 174
 175                 RConvertImage(panel->scr->rcontext, back, &p);
 176                 XSetWindowBackgroundPixmap(dpy, WMWidgetXID(icon), p);
 177                 XClearWindow(dpy, WMWidgetXID(icon));
 178                 XFreePixmap(dpy, p);
 179         }
 180
 181         if (!panel->bg && !panel->tile && selected)
 182                 WMSetFrameRelief(icon, WRSimple);
 183 }
 184
 185 static void addIconForWindow(WSwitchPanel *panel, WMWidget *parent, WWindow *wwin, int x, int y)
 186 {
 187         WMFrame *icon = WMCreateFrame(parent);
 188         RImage *image = NULL;
 189
 190         WMSetFrameRelief(icon, WRFlat);
 191         WMResizeWidget(icon, icon_tile_size, icon_tile_size);
 192         WMMoveWidget(icon, x, y);
 193
 194         if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 195                 image = RRetainImage(wwin->net_icon_image);
 196
 197         /* get_icon_image() includes the default icon image */
 198         if (!image)
 199                 image = get_icon_image(panel->scr, wwin->wm_instance, wwin->wm_class, icon_tile_size);
 200
 201         /* We must resize the icon size (~64) to the switch panel icon size (~48) */
 202         image = wIconValidateIconSize(image, icon_size);
 203
 204         WMAddToArray(panel->images, image);
 205         WMAddToArray(panel->icons, icon);
 206 }
 207
 208 static void scrollIcons(WSwitchPanel *panel, int delta)
 209 {
 210         int nfirst = panel->firstVisible + delta;
 211         int i;
 212         int count = WMGetArrayItemCount(panel->windows);
 213         Bool dim;
 214
 215         if (count <= panel->visibleCount)
 216                 return;
 217
 218         if (nfirst < 0)
 219                 nfirst = 0;
 220         else if (nfirst >= count - panel->visibleCount)
 221                 nfirst = count - panel->visibleCount;
 222
 223         if (nfirst == panel->firstVisible)
 224                 return;
 225
 226         WMMoveWidget(panel->iconBox, -nfirst * icon_tile_size, 0);
 227
 228         panel->firstVisible = nfirst;
 229
 230         for (i = panel->firstVisible; i < panel->firstVisible + panel->visibleCount; i++) {
 231                 if (i == panel->current)
 232                         continue;
 233                 dim = ((int) (uintptr_t) WMGetFromArray(panel->flags, i) & ICON_DIM);
 234                 changeImage(panel, i, 0, dim, True);
 235         }
 236 }
 237
 238 /*
 239  * 0 1 2
 240  * 3 4 5
 241  * 6 7 8
 242  */
 243 static RImage *assemblePuzzleImage(RImage **images, int width, int height)
 244 {
 245         RImage *img;
 246         RImage *tmp;
 247         int tw, th;
 248         RColor color;
 249
 250         tw = width - images[0]->width - images[2]->width;
 251         th = height - images[0]->height - images[6]->height;
 252
 253         if (tw <= 0 || th <= 0)
 254                 return NULL;
 255
 256         img = RCreateImage(width, height, 1);
 257         if (!img)
 258                 return NULL;
 259
 260         color.red   =   0;
 261         color.green =   0;
 262         color.blue  =   0;
 263         color.alpha = 255;
 264         RFillImage(img, &color);
 265
 266         /* top */
 267         tmp = RSmoothScaleImage(images[1], tw, images[1]->height);
 268         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, 0);
 269         RReleaseImage(tmp);
 270
 271         /* bottom */
 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         tmp = RSmoothScaleImage(images[3], images[3]->width, th);
 278         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, 0, images[0]->height);
 279         RReleaseImage(tmp);
 280
 281         /* right */
 282         tmp = RSmoothScaleImage(images[5], images[5]->width, th);
 283         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, width - images[5]->width, images[2]->height);
 284         RReleaseImage(tmp);
 285
 286         /* center */
 287         tmp = RSmoothScaleImage(images[4], tw, th);
 288         RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, images[0]->height);
 289         RReleaseImage(tmp);
 290
 291         /* corners */
 292         RCopyArea(img, images[0], 0, 0, images[0]->width, images[0]->height, 0, 0);
 293         RCopyArea(img, images[2], 0, 0, images[2]->width, images[2]->height, width - images[2]->width, 0);
 294         RCopyArea(img, images[6], 0, 0, images[6]->width, images[6]->height, 0, height - images[6]->height);
 295         RCopyArea(img, images[8], 0, 0, images[8]->width, images[8]->height,
 296                   width - images[8]->width, height - images[8]->height);
 297
 298         return img;
 299 }
 300
 301 static RImage *createBackImage(int width, int height)
 302 {
 303         return assemblePuzzleImage(wPreferences.swbackImage, width, height);
 304 }
 305
 306 static RImage *getTile(void)
 307 {
 308         RImage *stile;
 309
 310         if (!wPreferences.swtileImage)
 311                 return NULL;
 312
 313         stile = RScaleImage(wPreferences.swtileImage, icon_tile_size, icon_tile_size);
 314         if (!stile)
 315                 return wPreferences.swtileImage;
 316
 317         return stile;
 318 }
 319
 320 static void drawTitle(WSwitchPanel *panel, int idecks, const char *title)
 321 {
 322         char *ntitle;
 323         int width = WMWidgetWidth(panel->win);
 324         int x;
 325
 326         if (title)
 327                 ntitle = ShrinkString(panel->font, title, width - 2 * border_space);
 328         else
 329                 ntitle = NULL;
 330
 331         if (panel->bg) {
 332                 if (ntitle) {
 333                         if (strcmp(ntitle, title) != 0) {
 334                                 x = border_space;
 335                         } else {
 336                                 int w = WMWidthOfString(panel->font, ntitle, strlen(ntitle));
 337
 338                                 x = border_space + (idecks - panel->firstVisible) * icon_tile_size+
 339                                     icon_tile_size/ 2 - w / 2;
 340                                 if (x < border_space)
 341                                         x = border_space;
 342                                 else if (x + w > width - border_space)
 343                                         x = width - border_space - w;
 344                         }
 345                 }
 346
 347                 XClearWindow(dpy, WMWidgetXID(panel->win));
 348                 if (ntitle)
 349                         WMDrawString(panel->scr->wmscreen,
 350                                      WMWidgetXID(panel->win),
 351                                      panel->white, panel->font,
 352                                      x,
 353                                      WMWidgetHeight(panel->win) - border_space - label_height +
 354                                      WMFontHeight(panel->font) / 2, ntitle, strlen(ntitle));
 355         } else {
 356                 if (ntitle)
 357                         WMSetLabelText(panel->label, ntitle);
 358         }
 359
 360         if (ntitle)
 361                 free(ntitle);
 362 }
 363
 364 static WMArray *makeWindowListArray(WScreen *scr, int include_unmapped, Bool class_only)
 365 {
 366         WMArray *windows = WMCreateArray(10);
 367         WWindow *wwin = scr->focused_window;
 368
 369         while (wwin) {
 370                 if ((canReceiveFocus(wwin) != 0) &&
 371                     (wwin->flags.mapped || wwin->flags.shaded || include_unmapped)) {
 372                         if (class_only)
 373                                 if (!sameWindowClass(scr->focused_window, wwin)) {
 374                                         wwin = wwin->prev;
 375                                         continue;
 376                                 }
 377                         if (!WFLAGP(wwin, skip_switchpanel))
 378                                 WMAddToArray(windows, wwin);
 379                 }
 380                 wwin = wwin->prev;
 381         }
 382         return windows;
 383 }
 384
 385 static WMArray *makeWindowFlagsArray(int count)
 386 {
 387         WMArray *flags = WMCreateArray(count);
 388         int i;
 389
 390         for (i = 0; i < count; i++)
 391                 WMAddToArray(flags, (void *) 0);
 392
 393         return flags;
 394 }
 395
 396 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, Bool class_only)
 397 {
 398         int wmScaleWidth, wmScaleHeight;
 399         WMGetScaleBaseFromSystemFont(scr->wmscreen, &wmScaleWidth, &wmScaleHeight);
 400
 401         icon_size = wPreferences.switch_panel_icon_size;
 402         icon_tile_size = (short int)(((float)icon_size * (float)1.2) + 0.5);
 403         border_space = WMScaleY(10);
 404         label_height = WMScaleY(25);
 405
 406         WWindow *wwin;
 407         WSwitchPanel *panel = wmalloc(sizeof(WSwitchPanel));
 408         WMFrame *viewport;
 409         int i, width, height, iconsThatFitCount, count;
 410         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
 411
 412         panel->scr = scr;
 413         panel->windows = makeWindowListArray(scr, wPreferences.swtileImage != NULL, class_only);
 414         count = WMGetArrayItemCount(panel->windows);
 415         if (count)
 416                 panel->flags = makeWindowFlagsArray(count);
 417
 418         if (count == 0) {
 419                 WMFreeArray(panel->windows);
 420                 wfree(panel);
 421                 return NULL;
 422         }
 423
 424         width = icon_tile_size* count;
 425         iconsThatFitCount = count;
 426
 427         if (width > (int)rect.size.width) {
 428                 iconsThatFitCount = (rect.size.width - SCREEN_BORDER_SPACING) / icon_tile_size;
 429                 width = iconsThatFitCount * icon_tile_size;
 430         }
 431
 432         panel->visibleCount = iconsThatFitCount;
 433
 434         if (!wPreferences.swtileImage)
 435                 return panel;
 436
 437         height = label_height + icon_tile_size;
 438
 439         panel->tileTmp = RCreateImage(icon_tile_size, icon_tile_size, 1);
 440         panel->tile = getTile();
 441         if (panel->tile && wPreferences.swbackImage[8])
 442                 panel->bg = createBackImage(width + 2 * border_space, height + 2 * border_space);
 443
 444         if (!panel->tileTmp || !panel->tile) {
 445                 if (panel->bg)
 446                         RReleaseImage(panel->bg);
 447                 panel->bg = NULL;
 448                 if (panel->tile)
 449                         RReleaseImage(panel->tile);
 450                 panel->tile = NULL;
 451                 if (panel->tileTmp)
 452                         RReleaseImage(panel->tileTmp);
 453                 panel->tileTmp = NULL;
 454         }
 455
 456         panel->white = WMWhiteColor(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         wfree(panel);
 593 }
 594
 595 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back, int ignore_minimized, Bool class_only)
 596 {
 597         WWindow *wwin, *curwin, *tmpwin;
 598         int count = WMGetArrayItemCount(panel->windows);
 599         int orig = panel->current;
 600         int i;
 601         Bool dim = False;
 602
 603         if (count == 0)
 604                 return NULL;
 605
 606         if (!wPreferences.cycle_ignore_minimized)
 607                 ignore_minimized = False;
 608
 609         if (ignore_minimized && canReceiveFocus(WMGetFromArray(panel->windows, (count + panel->current) % count)) < 0)
 610                 ignore_minimized = False;
 611
 612         curwin = WMGetFromArray(panel->windows, orig);
 613         do {
 614                 do {
 615                         if (back)
 616                                 panel->current--;
 617                         else
 618                                 panel->current++;
 619
 620                         panel->current = (count + panel->current) % count;
 621                         wwin = WMGetFromArray(panel->windows, panel->current);
 622
 623                         if (!class_only)
 624                                 break;
 625                         if (panel->current == orig)
 626                                 break;
 627                 } while (!sameWindowClass(wwin, curwin));
 628         } while (ignore_minimized && panel->current != orig && canReceiveFocus(wwin) < 0);
 629
 630         WM_ITERATE_ARRAY(panel->windows, tmpwin, i) {
 631                 if (i == panel->current)
 632                         continue;
 633                 if (!class_only || sameWindowClass(tmpwin, curwin))
 634                         changeImage(panel, i, 0, False, False);
 635                 else {
 636                         if (i == orig)
 637                                 dim = True;
 638                         changeImage(panel, i, 0, True, False);
 639                 }
 640
 641         }
 642
 643         if (panel->current < panel->firstVisible)
 644                 scrollIcons(panel, panel->current - panel->firstVisible);
 645         else if (panel->current - panel->firstVisible >= panel->visibleCount)
 646                 scrollIcons(panel, panel->current - panel->firstVisible - panel->visibleCount + 1);
 647
 648         if (panel->win) {
 649                 drawTitle(panel, panel->current, wwin->frame->title);
 650                 if (panel->current != orig)
 651                         changeImage(panel, orig, 0, dim, False);
 652                 changeImage(panel, panel->current, 1, False, False);
 653         }
 654
 655         return wwin;
 656 }
 657
 658 WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 659 {
 660         WWindow *wwin;
 661         int count = WMGetArrayItemCount(panel->windows);
 662         char *title;
 663         int i;
 664
 665         if (count == 0)
 666                 return NULL;
 667
 668         if (back) {
 669                 panel->current = count - 1;
 670                 scrollIcons(panel, count);
 671         } else {
 672                 panel->current = 0;
 673                 scrollIcons(panel, -count);
 674         }
 675
 676         wwin = WMGetFromArray(panel->windows, panel->current);
 677         title = wwin->frame->title;
 678
 679         if (panel->win) {
 680                 for (WMArrayFirst(panel->windows, &(i)); (i) != WANotFound; WMArrayNext(panel->windows, &(i)))
 681                         changeImage(panel, i, i == panel->current, False, False);
 682
 683                 drawTitle(panel, panel->current, title);
 684         }
 685
 686         return wwin;
 687 }
 688
 689 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 690 {
 691         WMFrame *icon;
 692         int i;
 693         int focus = -1;
 694
 695         if (!panel->win)
 696                 return NULL;
 697
 698         if (event->type == MotionNotify) {
 699                 WM_ITERATE_ARRAY(panel->icons, icon, i) {
 700                         if (WMWidgetXID(icon) == event->xmotion.window) {
 701                                 focus = i;
 702                                 break;
 703                         }
 704                 }
 705         }
 706
 707         if (focus >= 0 && panel->current != focus) {
 708                 WWindow *wwin;
 709
 710                 WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 711                         changeImage(panel, i, i == focus, False, False);
 712                 }
 713                 panel->current = focus;
 714
 715                 wwin = WMGetFromArray(panel->windows, focus);
 716
 717                 drawTitle(panel, panel->current, wwin->frame->title);
 718
 719                 return wwin;
 720         }
 721
 722         return NULL;
 723 }
 724
 725 Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
 726 {
 727         if (!swpanel->win)
 728                 return None;
 729
 730         return WMWidgetXID(swpanel->win);
 731 }