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
 132 static void changeImage(WSwitchPanel *panel, int index, int selected)
 133 {
 134   WMPixmap *pixmap= NULL;
 135   WMLabel *label = WMGetFromArray(panel->icons, index);
 136   RImage *image= WMGetFromArray(panel->images, index);
 137   WMScreen *wscr = WMWidgetScreen(label);
 138
 139   if (image) {
 140     RColor bgColor;
 141     RImage *back;
 142
 143     if (selected) {
 144       back= RCloneImage(panel->tile);
 145       RCombineArea(back, image, 0, 0, image->width, image->height,
 146                    (back->width - image->width)/2, (back->height - image->height)/2);
 147
 148       pixmap= WMCreatePixmapFromRImage(wscr, back, -1);
 149       RReleaseImage(back);
 150     } else {
 151       bgColor.alpha= 100;
 152       bgColor.red = WMRedComponentOfColor(WMGrayColor(wscr))>>8;
 153       bgColor.green = WMGreenComponentOfColor(WMGrayColor(wscr))>>8;
 154       bgColor.blue = WMBlueComponentOfColor(WMGrayColor(wscr))>>8;
 155
 156       image= RCloneImage(image);
 157       RCombineImageWithColor(image, &bgColor);
 158
 159       pixmap= WMCreatePixmapFromRImage(wscr, image, -1);
 160       RReleaseImage(image);
 161     }
 162   }
 163
 164   if (pixmap) {
 165     WMSetLabelImage(label, pixmap);
 166     WMSetLabelImagePosition(label, WIPImageOnly);
 167     WMReleasePixmap(pixmap);
 168   }
 169 }
 170
 171
 172 static void addIconForWindow(WSwitchPanel *panel, WWindow *wwin, int iconWidth)
 173 {
 174   WMLabel *label= WMCreateLabel(panel->hbox);
 175   WMAddBoxSubviewAtEnd(panel->hbox, WMWidgetView(label), False, True, iconWidth + ICON_EXTRASPACE, 0, 0);
 176   RImage *image = NULL;
 177
 178   if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 179       image = RRetainImage(wwin->net_icon_image);
 180   if (!image)
 181       image = wDefaultGetImage(panel->scr, wwin->wm_instance, wwin->wm_class);
 182
 183   if (!image && !panel->defIcon)
 184   {
 185     char *file = wDefaultGetIconFile(panel->scr, NULL, NULL, False);
 186     if (file) {
 187       char *path = FindImage(wPreferences.icon_path, file);
 188       if (path) {
 189         image = RLoadImage(panel->scr->rcontext, path, 0);
 190         wfree(path);
 191       }
 192     }
 193   }
 194   if (!image && panel->defIcon)
 195     image= RRetainImage(panel->defIcon);
 196
 197   if (image && ((image->width - iconWidth) > 2 || (image->height - iconWidth) > 2)) {
 198     RImage *nimage;
 199     nimage= RScaleImage(image, iconWidth, (image->height * iconWidth / image->width));
 200     RReleaseImage(image);
 201     image= nimage;
 202   }
 203
 204   WMAddToArray(panel->images, image);
 205   WMAddToArray(panel->icons, label);
 206 }
 207
 208
 209 WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, int workspace)
 210 {
 211     WWindow *wwin;
 212     WSwitchPanel *panel= wmalloc(sizeof(WSwitchPanel));
 213     int i;
 214     int width;
 215     int height;
 216     int iconWidth = ICON_IDEAL_SIZE;
 217     WMBox *vbox;
 218
 219     memset(panel, 0, sizeof(WSwitchPanel));
 220
 221     panel->scr= scr;
 222     panel->windows= WMCreateArray(10);
 223
 224     for (wwin= curwin; wwin; wwin= wwin->prev) {
 225         if (wwin->frame->workspace == workspace &&  wWindowCanReceiveFocus(wwin) &&
 226             (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window)) {
 227             WMInsertInArray(panel->windows, 0, wwin);
 228         }
 229     }
 230     wwin = curwin;
 231     /* start over from the beginning of the list */
 232     while (wwin->next)
 233       wwin = wwin->next;
 234
 235     for (wwin= curwin; wwin && wwin != curwin; wwin= wwin->prev) {
 236         if (wwin->frame->workspace == workspace &&  wWindowCanReceiveFocus(wwin) &&
 237             (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window)) {
 238             WMInsertInArray(panel->windows, 0, wwin);
 239         }
 240     }
 241
 242     width= (iconWidth + ICON_EXTRASPACE)*WMGetArrayItemCount(panel->windows);
 243
 244     if (width > WMScreenWidth(scr->wmscreen))
 245     {
 246         width= WMScreenWidth(scr->wmscreen) - 100;
 247         iconWidth = width / WMGetArrayItemCount(panel->windows) - ICON_EXTRASPACE;
 248     }
 249
 250     if (WMGetArrayItemCount(panel->windows) == 0) {
 251         WMFreeArray(panel->windows);
 252         wfree(panel);
 253         return NULL;
 254     }
 255
 256     if (iconWidth < 16) {
 257         /* if there are too many windows, don't bother trying to show the panel */
 258
 259         return panel;
 260     }
 261
 262     height= iconWidth + 20 + 10 + ICON_EXTRASPACE;
 263
 264     panel->icons= WMCreateArray(WMGetArrayItemCount(panel->windows));
 265     panel->images= WMCreateArray(WMGetArrayItemCount(panel->windows));
 266
 267     panel->win = WMCreateWindow(scr->wmscreen, "");
 268     WMResizeWidget(panel->win, width + 10, height);
 269
 270     {
 271         WMFrame *frame = WMCreateFrame(panel->win);
 272         WMSetFrameRelief(frame, WRSimple);
 273         WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 274
 275         vbox = WMCreateBox(panel->win);
 276     }
 277     WMSetViewExpandsToParent(WMWidgetView(vbox), 5, 5, 5, 5);
 278     WMSetBoxHorizontal(vbox, False);
 279
 280     panel->label = WMCreateLabel(vbox);
 281     WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->label), False, True, 20, 0, 0);
 282     if (scr->focused_window && scr->focused_window->frame->title)
 283       WMSetLabelText(panel->label, scr->focused_window->frame->title);
 284     else
 285       WMSetLabelText(panel->label, "");
 286
 287     {
 288         WMColor *color;
 289         WMFont *boldFont= WMBoldSystemFontOfSize(scr->wmscreen, 12);
 290
 291         WMSetLabelRelief(panel->label, WRSimple);
 292         WMSetLabelFont(panel->label, boldFont);
 293         color = WMDarkGrayColor(scr->wmscreen);
 294         WMSetWidgetBackgroundColor(panel->label, color);
 295         WMReleaseColor(color);
 296         color = WMWhiteColor(scr->wmscreen);
 297         WMSetLabelTextColor(panel->label, color);
 298         WMReleaseColor(color);
 299
 300         WMReleaseFont(boldFont);
 301     }
 302
 303     {
 304         RImage *tmp= NULL;
 305         RColor bgColor;
 306         char *path = FindImage(wPreferences.pixmap_path, "swtile.png");
 307         if (path) {
 308             tmp = RLoadImage(panel->scr->rcontext, path, 0);
 309             wfree(path);
 310         }
 311
 312         if (!tmp)
 313           tmp= RGetImageFromXPMData(scr->rcontext, tile_xpm);
 314
 315         panel->tile = RScaleImage(tmp, iconWidth+ICON_EXTRASPACE, iconWidth+ICON_EXTRASPACE);
 316
 317         bgColor.alpha = 255;
 318         bgColor.red = WMRedComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 319         bgColor.green = WMGreenComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 320         bgColor.blue = WMBlueComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 321
 322         RCombineImageWithColor(panel->tile, &bgColor);
 323
 324         RReleaseImage(tmp);
 325     }
 326
 327     panel->hbox = WMCreateBox(vbox);
 328     WMSetBoxHorizontal(panel->hbox, True);
 329     WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->hbox), True, True, 20, 0, 4);
 330
 331     WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 332         addIconForWindow(panel, wwin, iconWidth);
 333         changeImage(panel, i, 0);
 334     }
 335
 336     WMMapSubwidgets(panel->win);
 337     WMRealizeWidget(panel->win);
 338     WMMapWidget(panel->win);
 339     {
 340         WMPoint center;
 341
 342         center= wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 343                                             width+10, height);
 344         WMMoveWidget(panel->win, center.x, center.y);
 345     }
 346
 347     panel->current= WMGetFirstInArray(panel->windows, curwin);
 348     if (panel->current >= 0)
 349         changeImage(panel, panel->current, 1);
 350
 351     return panel;
 352 }
 353
 354
 355 void wSwitchPanelDestroy(WSwitchPanel *panel)
 356 {
 357   int i;
 358   RImage *image;
 359
 360   if (panel->images) {
 361     WM_ITERATE_ARRAY(panel->images, image, i) {
 362       if (image)
 363         RReleaseImage(image);
 364     }
 365     WMFreeArray(panel->images);
 366   }
 367   if (panel->win)
 368     WMDestroyWidget(panel->win);
 369   if (panel->icons)
 370     WMFreeArray(panel->icons);
 371   WMFreeArray(panel->windows);
 372   if (panel->defIcon)
 373     RReleaseImage(panel->defIcon);
 374   if (panel->tile)
 375     RReleaseImage(panel->tile);
 376   wfree(panel);
 377 }
 378
 379
 380 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back)
 381 {
 382   WWindow *wwin;
 383   int count = WMGetArrayItemCount(panel->windows);
 384
 385   if (count == 0)
 386     return NULL;
 387
 388   if (panel->win)
 389     changeImage(panel, panel->current, 0);
 390
 391   if (!back)
 392     panel->current = (count + panel->current - 1) % count;
 393   else
 394     panel->current = (panel->current + 1) % count;
 395
 396   wwin = WMGetFromArray(panel->windows, panel->current);
 397
 398   if (panel->win) {
 399     WMSetLabelText(panel->label, wwin->frame->title);
 400
 401     changeImage(panel, panel->current, 1);
 402   }
 403   return wwin;
 404 }
 405
 406
 407
 408 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 409 {
 410   WMLabel *label;
 411   int i;
 412
 413   printf("%i %i\n", event->xmotion.x, event->xmotion.y);
 414
 415   WM_ITERATE_ARRAY(panel->icons, label, i) {
 416     if (WMWidgetXID(label) == event->xmotion.subwindow)
 417       puts("HOORAY");
 418   }
 419
 420   return NULL;
 421 }
 422
 423