src/switchpanel.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2004 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "WindowMaker.h"
  28 #include "screen.h"
  29 #include "wcore.h"
  30 #include "framewin.h"
  31 #include "window.h"
  32 #include "defaults.h"
  33 #include "switchpanel.h"
  34 #include "funcs.h"
  35 #include "xinerama.h"
  36
  37
  38 static char * tile_xpm[] = {
  39 "64 64 2 1",
  40 "       c None",
  41 ".      c #FFFFFF",
  42 "       .................................................        ",
  43 "     ......................................................     ",
  44 "   .........................................................    ",
  45 "  ...........................................................   ",
  46 "  ............................................................  ",
  47 " .............................................................. ",
  48 " .............................................................. ",
  49 "............................................................... ",
  50 "................................................................",
  51 "................................................................",
  52 "................................................................",
  53 "................................................................",
  54 "................................................................",
  55 "................................................................",
  56 "................................................................",
  57 "................................................................",
  58 "................................................................",
  59 "................................................................",
  60 "................................................................",
  61 "................................................................",
  62 "................................................................",
  63 "................................................................",
  64 "................................................................",
  65 "................................................................",
  66 "................................................................",
  67 "................................................................",
  68 "................................................................",
  69 "................................................................",
  70 "................................................................",
  71 "................................................................",
  72 "................................................................",
  73 "................................................................",
  74 "................................................................",
  75 "................................................................",
  76 "................................................................",
  77 "................................................................",
  78 "................................................................",
  79 "................................................................",
  80 "................................................................",
  81 "................................................................",
  82 "................................................................",
  83 "................................................................",
  84 "................................................................",
  85 "................................................................",
  86 "................................................................",
  87 "................................................................",
  88 "................................................................",
  89 "................................................................",
  90 "................................................................",
  91 "................................................................",
  92 "................................................................",
  93 "................................................................",
  94 "................................................................",
  95 "................................................................",
  96 "................................................................",
  97 "................................................................",
  98 " .............................................................. ",
  99 " .............................................................. ",
 100 " .............................................................. ",
 101 "  ............................................................  ",
 102 "   ..........................................................   ",
 103 "    ........................................................    ",
 104 "     ......................................................     ",
 105 "        ................................................        "};
 106
 107
 108 struct SwitchPanel {
 109   WScreen *scr;
 110   WMWindow *win;
 111   WMBox *hbox;
 112   WMLabel *label;
 113   WMArray *icons;
 114   WMArray *images;
 115   WMArray *windows;
 116   int current;
 117
 118   RImage *defIcon;
 119
 120   RImage *tile;
 121 };
 122
 123
 124
 125
 126
 127 extern WPreferences wPreferences;
 128
 129 #define ICON_IDEAL_SIZE 48
 130 #define ICON_EXTRASPACE 16
 131 #define LABEL_HEIGHT 25
 132
 133
 134 static int canReceiveFocus(WWindow *wwin)
 135 {
 136   if (wwin->frame->workspace != wwin->screen_ptr->current_workspace)
 137     return 0;
 138   if (!wwin->flags.mapped)
 139   {
 140     if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
 141       return 0;
 142     else
 143       return -1;
 144   }
 145   if (WFLAGP(wwin, no_focusable))
 146     return 0;
 147   return 1;
 148 }
 149
 150
 151 static void changeImage(WSwitchPanel *panel, int index, int selected)
 152 {
 153   WMPixmap *pixmap= NULL;
 154   WMLabel *label = WMGetFromArray(panel->icons, index);
 155   RImage *image= WMGetFromArray(panel->images, index);
 156
 157   if (image && label) {
 158     RColor bgColor;
 159     RImage *back;
 160     WMScreen *wscr= WMWidgetScreen(label);
 161     int opaq= 255;
 162
 163     if (canReceiveFocus(WMGetFromArray(panel->windows, index)) < 0)
 164       opaq= 50;
 165
 166     if (selected) {
 167       back= RCloneImage(panel->tile);
 168       RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
 169                                  (back->width - image->width)/2, (back->height - image->height)/2,
 170                                  opaq);
 171
 172       pixmap= WMCreatePixmapFromRImage(wscr, back, -1);
 173       RReleaseImage(back);
 174     } else {
 175       bgColor.alpha= opaq;
 176       bgColor.red = WMRedComponentOfColor(WMGrayColor(wscr))>>8;
 177       bgColor.green = WMGreenComponentOfColor(WMGrayColor(wscr))>>8;
 178       bgColor.blue = WMBlueComponentOfColor(WMGrayColor(wscr))>>8;
 179
 180       back= RCreateImage(image->width, image->height, 1);
 181       RFillImage(back, &bgColor);
 182
 183       RCombineImagesWithOpaqueness(back, image, opaq);
 184
 185       pixmap= WMCreatePixmapFromRImage(wscr, back, -1);
 186       RReleaseImage(back);
 187     }
 188   }
 189
 190   if (pixmap && label) {
 191     WMSetLabelImage(label, pixmap);
 192     WMSetLabelImagePosition(label, WIPImageOnly);
 193     WMReleasePixmap(pixmap);
 194   }
 195 }
 196
 197
 198 static void addIconForWindow(WSwitchPanel *panel, WWindow *wwin, int iconWidth)
 199 {
 200   WMLabel *label= WMCreateLabel(panel->hbox);
 201   WMAddBoxSubviewAtEnd(panel->hbox, WMWidgetView(label), False, True, iconWidth + ICON_EXTRASPACE, 0, 0);
 202   RImage *image = NULL;
 203
 204   if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 205       image = RRetainImage(wwin->net_icon_image);
 206   if (!image)
 207       image = wDefaultGetImage(panel->scr, wwin->wm_instance, wwin->wm_class);
 208
 209   if (!image && !panel->defIcon)
 210   {
 211     char *file = wDefaultGetIconFile(panel->scr, NULL, NULL, False);
 212     if (file) {
 213       char *path = FindImage(wPreferences.icon_path, file);
 214       if (path) {
 215         image = RLoadImage(panel->scr->rcontext, path, 0);
 216         wfree(path);
 217       }
 218     }
 219   }
 220   if (!image && panel->defIcon)
 221     image= RRetainImage(panel->defIcon);
 222
 223   if (image && ((image->width - iconWidth) > 2 || (image->height - iconWidth) > 2)) {
 224     RImage *nimage;
 225     nimage= RScaleImage(image, iconWidth, (image->height * iconWidth / image->width));
 226     RReleaseImage(image);
 227     image= nimage;
 228   }
 229
 230   WMAddToArray(panel->images, image);
 231   WMAddToArray(panel->icons, label);
 232 }
 233
 234
 235 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, int workspace)
 236 {
 237     WWindow *wwin;
 238     WSwitchPanel *panel= wmalloc(sizeof(WSwitchPanel));
 239     int i;
 240     int width;
 241     int height;
 242     int iconWidth = ICON_IDEAL_SIZE;
 243     WMBox *vbox;
 244     int fl;
 245
 246     memset(panel, 0, sizeof(WSwitchPanel));
 247
 248     panel->scr= scr;
 249     panel->windows= WMCreateArray(10);
 250
 251     for (fl= 0; fl < 2; fl++) {
 252         for (wwin= curwin; wwin; wwin= wwin->prev) {
 253             if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 254                 (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window)) {
 255                 WMInsertInArray(panel->windows, 0, wwin);
 256             }
 257         }
 258         wwin = curwin;
 259         /* start over from the beginning of the list */
 260         while (wwin->next)
 261           wwin = wwin->next;
 262
 263         for (wwin= curwin; wwin && wwin != curwin; wwin= wwin->prev) {
 264             if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
 265                 (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window)) {
 266                 WMInsertInArray(panel->windows, 0, wwin);
 267             }
 268         }
 269     }
 270
 271     width= (iconWidth + ICON_EXTRASPACE)*WMGetArrayItemCount(panel->windows);
 272
 273     if (width > WMScreenWidth(scr->wmscreen))
 274     {
 275         width= WMScreenWidth(scr->wmscreen) - 100;
 276         iconWidth = width / WMGetArrayItemCount(panel->windows) - ICON_EXTRASPACE;
 277     }
 278
 279     if (WMGetArrayItemCount(panel->windows) == 0) {
 280         WMFreeArray(panel->windows);
 281         wfree(panel);
 282         return NULL;
 283     }
 284
 285     if (iconWidth < 16) {
 286         /* if there are too many windows, don't bother trying to show the panel */
 287
 288         return panel;
 289     }
 290
 291     height= iconWidth + LABEL_HEIGHT + 10 + ICON_EXTRASPACE + 10;
 292
 293     panel->icons= WMCreateArray(WMGetArrayItemCount(panel->windows));
 294     panel->images= WMCreateArray(WMGetArrayItemCount(panel->windows));
 295
 296     panel->win = WMCreateWindow(scr->wmscreen, "");
 297     WMResizeWidget(panel->win, width + 10, height);
 298
 299     {
 300         WMFrame *frame = WMCreateFrame(panel->win);
 301         WMSetFrameRelief(frame, WRSimple);
 302         WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 303
 304         vbox = WMCreateBox(panel->win);
 305     }
 306     WMSetViewExpandsToParent(WMWidgetView(vbox), 5, 5, 5, 5);
 307     WMSetBoxHorizontal(vbox, False);
 308
 309     panel->label = WMCreateLabel(vbox);
 310     WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->label), False, True, LABEL_HEIGHT, 0, 0);
 311     if (scr->focused_window && scr->focused_window->frame->title)
 312       WMSetLabelText(panel->label, scr->focused_window->frame->title);
 313     else
 314       WMSetLabelText(panel->label, "");
 315
 316     {
 317         WMColor *color;
 318         WMFont *boldFont= WMBoldSystemFontOfSize(scr->wmscreen, 12);
 319
 320         WMSetLabelRelief(panel->label, WRSunken);
 321         WMSetLabelFont(panel->label, boldFont);
 322         color = WMDarkGrayColor(scr->wmscreen);
 323         WMSetWidgetBackgroundColor(panel->label, color);
 324         WMReleaseColor(color);
 325         color = WMWhiteColor(scr->wmscreen);
 326         WMSetLabelTextColor(panel->label, color);
 327         WMReleaseColor(color);
 328
 329         WMReleaseFont(boldFont);
 330     }
 331
 332     {
 333         RImage *tmp= NULL;
 334         RColor bgColor;
 335         char *path = FindImage(wPreferences.pixmap_path, "swtile.png");
 336         if (path) {
 337             tmp = RLoadImage(panel->scr->rcontext, path, 0);
 338             wfree(path);
 339         }
 340
 341         if (!tmp)
 342           tmp= RGetImageFromXPMData(scr->rcontext, tile_xpm);
 343
 344         panel->tile = RScaleImage(tmp, iconWidth+ICON_EXTRASPACE, iconWidth+ICON_EXTRASPACE);
 345
 346         bgColor.alpha = 255;
 347         bgColor.red = WMRedComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 348         bgColor.green = WMGreenComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 349         bgColor.blue = WMBlueComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 350
 351         RCombineImageWithColor(panel->tile, &bgColor);
 352
 353         RReleaseImage(tmp);
 354     }
 355
 356     panel->hbox = WMCreateBox(vbox);
 357     WMSetBoxHorizontal(panel->hbox, True);
 358     WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->hbox), True, True, 20, 0, 4);
 359
 360     WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 361         addIconForWindow(panel, wwin, iconWidth);
 362         changeImage(panel, i, 0);
 363     }
 364
 365     WMMapSubwidgets(panel->win);
 366     WMRealizeWidget(panel->win);
 367     {
 368         WMPoint center;
 369
 370         center= wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 371                                             width+10, height);
 372         WMMoveWidget(panel->win, center.x, center.y);
 373     }
 374
 375     panel->current= WMGetFirstInArray(panel->windows, curwin);
 376     if (panel->current >= 0)
 377         changeImage(panel, panel->current, 1);
 378
 379     WMMapWidget(panel->win);
 380
 381     return panel;
 382 }
 383
 384
 385 void wSwitchPanelDestroy(WSwitchPanel *panel)
 386 {
 387   int i;
 388   RImage *image;
 389
 390   if (panel->images) {
 391     WM_ITERATE_ARRAY(panel->images, image, i) {
 392       if (image)
 393         RReleaseImage(image);
 394     }
 395     WMFreeArray(panel->images);
 396   }
 397   if (panel->win)
 398     WMDestroyWidget(panel->win);
 399   if (panel->icons)
 400     WMFreeArray(panel->icons);
 401   WMFreeArray(panel->windows);
 402   if (panel->defIcon)
 403     RReleaseImage(panel->defIcon);
 404   if (panel->tile)
 405     RReleaseImage(panel->tile);
 406   wfree(panel);
 407 }
 408
 409
 410 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back)
 411 {
 412   WWindow *wwin;
 413   int count = WMGetArrayItemCount(panel->windows);
 414
 415   if (count == 0)
 416     return NULL;
 417
 418   if (panel->win)
 419     changeImage(panel, panel->current, 0);
 420
 421   if (!back)
 422     panel->current = (count + panel->current - 1) % count;
 423   else
 424     panel->current = (panel->current + 1) % count;
 425
 426   wwin = WMGetFromArray(panel->windows, panel->current);
 427
 428   if (panel->win) {
 429     WMSetLabelText(panel->label, wwin->frame->title);
 430
 431     changeImage(panel, panel->current, 1);
 432   }
 433   return wwin;
 434 }
 435
 436
 437 WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 438 {
 439   WWindow *wwin;
 440   int count = WMGetArrayItemCount(panel->windows);
 441
 442   if (count == 0)
 443     return NULL;
 444
 445   if (panel->win)
 446     changeImage(panel, panel->current, 0);
 447
 448   if (!back)
 449     panel->current = count-1;
 450   else
 451     panel->current = 0;
 452
 453   wwin = WMGetFromArray(panel->windows, panel->current);
 454
 455   if (panel->win) {
 456     WMSetLabelText(panel->label, wwin->frame->title);
 457
 458     changeImage(panel, panel->current, 1);
 459   }
 460   return wwin;
 461 }
 462
 463
 464 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 465 {
 466   WMLabel *label;
 467   int i;
 468
 469   printf("%i %i\n", event->xmotion.x, event->xmotion.y);
 470
 471   WM_ITERATE_ARRAY(panel->icons, label, i) {
 472     if (WMWidgetXID(label) == event->xmotion.subwindow)
 473       puts("HOORAY");
 474   }
 475
 476   return NULL;
 477 }
 478
 479
 480 Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
 481 {
 482     return WMWidgetXID(swpanel->win);
 483 }