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
  26 #include "WindowMaker.h"
  27 #include "screen.h"
  28 #include "wcore.h"
  29 #include "framewin.h"
  30 #include "window.h"
  31 #include "defaults.h"
  32 #include "switchpanel.h"
  33 #include "funcs.h"
  34 #include "xinerama.h"
  35
  36
  37 static char * tile_xpm[] = {
  38 "64 64 2 1",
  39 "       c None",
  40 ".      c #FFFFFF",
  41 "       .................................................        ",
  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 struct SwitchPanel {
 108   WScreen *scr;
 109   WMWindow *win;
 110   WMBox *hbox;
 111   WMLabel *label;
 112   WMArray *icons;
 113   WMArray *images;
 114   WMArray *windows;
 115   int current;
 116
 117   WMColor *normalColor;
 118   WMColor *selectColor;
 119
 120   RImage *defIcon;
 121
 122   RImage *tile;
 123 };
 124
 125
 126
 127
 128
 129 extern WPreferences wPreferences;
 130
 131 #define ICON_IDEAL_SIZE 48
 132 #define ICON_EXTRASPACE 16
 133
 134 static void changeImage(WSwitchPanel *panel, int index, int selected)
 135 {
 136   WMPixmap *pixmap= NULL;
 137   WMLabel *label = WMGetFromArray(panel->icons, index);
 138   RImage *image= WMGetFromArray(panel->images, index);
 139   WMScreen *wscr = WMWidgetScreen(label);
 140
 141   if (image) {
 142     RColor bgColor;
 143     RImage *back;
 144
 145     if (selected) {
 146       back= RCloneImage(panel->tile);
 147       RCombineArea(back, image, 0, 0, image->width, image->height,
 148                    (back->width - image->width)/2, (back->height - image->height)/2);
 149
 150       pixmap= WMCreatePixmapFromRImage(wscr, back, -1);
 151       RReleaseImage(back);
 152     } else {
 153       bgColor.alpha= 100;
 154       bgColor.red = WMRedComponentOfColor(WMGrayColor(wscr))>>8;
 155       bgColor.green = WMGreenComponentOfColor(WMGrayColor(wscr))>>8;
 156       bgColor.blue = WMBlueComponentOfColor(WMGrayColor(wscr))>>8;
 157
 158       image= RCloneImage(image);
 159       RCombineImageWithColor(image, &bgColor);
 160
 161       pixmap= WMCreatePixmapFromRImage(wscr, image, -1);
 162       RReleaseImage(image);
 163     }
 164   }
 165
 166   if (pixmap) {
 167     WMSetLabelImage(label, pixmap);
 168     WMSetLabelImagePosition(label, WIPImageOnly);
 169     WMReleasePixmap(pixmap);
 170   }
 171 }
 172
 173
 174 static void addIconForWindow(WSwitchPanel *panel, WWindow *wwin, int iconWidth)
 175 {
 176   WMLabel *label= WMCreateLabel(panel->hbox);
 177   WMAddBoxSubviewAtEnd(panel->hbox, WMWidgetView(label), False, True, iconWidth + ICON_EXTRASPACE, 0, 0);
 178   RImage *image = NULL;
 179
 180   if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
 181       image = RRetainImage(wwin->net_icon_image);
 182   if (!image)
 183       image = wDefaultGetImage(panel->scr, wwin->wm_instance, wwin->wm_class);
 184
 185   if (!image && !panel->defIcon)
 186   {
 187     char *file = wDefaultGetIconFile(panel->scr, NULL, NULL, False);
 188     if (file) {
 189       char *path = FindImage(wPreferences.icon_path, file);
 190       if (path) {
 191         image = RLoadImage(panel->scr->rcontext, path, 0);
 192         wfree(path);
 193       }
 194     }
 195   }
 196   if (!image && panel->defIcon)
 197     image= RRetainImage(panel->defIcon);
 198
 199   if (image && (abs(image->width - iconWidth) > 2 || abs(image->height - iconWidth) > 2)) {
 200     RImage *nimage;
 201     nimage= RScaleImage(image, iconWidth, (image->height * iconWidth / image->width));
 202     RReleaseImage(image);
 203     image= nimage;
 204   }
 205
 206   WMAddToArray(panel->images, image);
 207   WMAddToArray(panel->icons, label);
 208 }
 209
 210
 211 WSwitchPanel *wInitSwitchPanel(WScreen *scr, int workspace)
 212 {
 213   WWindow *wwin;
 214   WSwitchPanel *panel= wmalloc(sizeof(WSwitchPanel));
 215   int i;
 216   int width;
 217   int height;
 218   int iconWidth = ICON_IDEAL_SIZE;
 219   WMBox *vbox;
 220
 221   panel->current= 0;
 222   panel->defIcon= NULL;
 223
 224   panel->normalColor = WMGrayColor(scr->wmscreen);
 225   panel->selectColor = WMWhiteColor(scr->wmscreen);
 226
 227   panel->scr= scr;
 228   panel->windows= WMCreateArray(10);
 229
 230   for (wwin= scr->focused_window; wwin; wwin= wwin->prev) {
 231       if (wwin->frame->workspace == workspace &&  wWindowCanReceiveFocus(wwin) &&
 232           (!WFLAGP(wwin, skip_window_list) || wwin->flags.internal_window)) {
 233           WMInsertInArray(panel->windows, 0, wwin);
 234       }
 235   }
 236
 237   width= (iconWidth + ICON_EXTRASPACE)*WMGetArrayItemCount(panel->windows);
 238
 239   if (width > WMScreenWidth(scr->wmscreen))
 240   {
 241     width= WMScreenWidth(scr->wmscreen) - 100;
 242     iconWidth = width / WMGetArrayItemCount(panel->windows) - ICON_EXTRASPACE;
 243   }
 244
 245   if (iconWidth < 16 || WMGetArrayItemCount(panel->windows) == 0)
 246   {
 247     /* if there are too many windows, don't bother trying to show the panel */
 248     WMFreeArray(panel->windows);
 249     wfree(panel);
 250     return NULL;
 251   }
 252
 253   height= iconWidth + 20 + 10 + ICON_EXTRASPACE;
 254
 255   panel->icons= WMCreateArray(WMGetArrayItemCount(panel->windows));
 256   panel->images= WMCreateArray(WMGetArrayItemCount(panel->windows));
 257
 258   panel->win = WMCreateWindow(scr->wmscreen, "");
 259   WMResizeWidget(panel->win, width + 10, height);
 260
 261   {
 262     WMFrame *frame = WMCreateFrame(panel->win);
 263     WMSetFrameRelief(frame, WRSimple);
 264     WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
 265
 266     vbox = WMCreateBox(panel->win);
 267   }
 268   WMSetViewExpandsToParent(WMWidgetView(vbox), 5, 5, 5, 5);
 269   WMSetBoxHorizontal(vbox, False);
 270
 271   panel->label = WMCreateLabel(vbox);
 272   WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->label), False, True, 20, 0, 0);
 273   if (scr->focused_window && scr->focused_window->frame->title)
 274       WMSetLabelText(panel->label, scr->focused_window->frame->title);
 275   else
 276       WMSetLabelText(panel->label, "");
 277   {
 278     WMColor *color;
 279     WMFont *boldFont= WMBoldSystemFontOfSize(scr->wmscreen, 12);
 280
 281     WMSetLabelRelief(panel->label, WRSimple);
 282     WMSetLabelFont(panel->label, boldFont);
 283     color = WMDarkGrayColor(scr->wmscreen);
 284     WMSetWidgetBackgroundColor(panel->label, color);
 285     WMReleaseColor(color);
 286     color = WMWhiteColor(scr->wmscreen);
 287     WMSetLabelTextColor(panel->label, color);
 288     WMReleaseColor(color);
 289
 290     WMReleaseFont(boldFont);
 291   }
 292
 293   {
 294     RImage *tmp= NULL;
 295     RColor bgColor;
 296     char *path = FindImage(wPreferences.pixmap_path, "swtile.png");
 297     if (path) {
 298       tmp = RLoadImage(panel->scr->rcontext, path, 0);
 299       wfree(path);
 300     }
 301
 302     if (!tmp)
 303       tmp= RGetImageFromXPMData(scr->rcontext, tile_xpm);
 304
 305     panel->tile = RScaleImage(tmp, iconWidth+ICON_EXTRASPACE, iconWidth+ICON_EXTRASPACE);
 306
 307     bgColor.alpha = 255;
 308     bgColor.red = WMRedComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 309     bgColor.green = WMGreenComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 310     bgColor.blue = WMBlueComponentOfColor(WMGrayColor(scr->wmscreen))>>8;
 311
 312     RCombineImageWithColor(panel->tile, &bgColor);
 313
 314     RReleaseImage(tmp);
 315   }
 316
 317   panel->hbox = WMCreateBox(vbox);
 318   WMSetBoxHorizontal(panel->hbox, True);
 319   WMAddBoxSubviewAtEnd(vbox, WMWidgetView(panel->hbox), True, True, 20, 0, 2);
 320
 321   WM_ITERATE_ARRAY(panel->windows, wwin, i) {
 322       addIconForWindow(panel, wwin, iconWidth);
 323       changeImage(panel, i, 0);
 324   }
 325
 326   WMMapSubwidgets(panel->win);
 327   WMRealizeWidget(panel->win);
 328   WMMapWidget(panel->win);
 329   {
 330       WMPoint center;
 331
 332       center= wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
 333                                            width+10, height);
 334       WMMoveWidget(panel->win, center.x, center.y);
 335   }
 336
 337   changeImage(panel, 0, 1);
 338
 339   return panel;
 340 }
 341
 342
 343 void wSwitchPanelDestroy(WSwitchPanel *panel)
 344 {
 345   int i;
 346   RImage *image;
 347   WM_ITERATE_ARRAY(panel->images, image, i) {
 348     if (image)
 349       RReleaseImage(image);
 350   }
 351   WMDestroyWidget(panel->win);
 352   WMFreeArray(panel->icons);
 353   WMFreeArray(panel->windows);
 354   WMFreeArray(panel->images);
 355   WMReleaseColor(panel->selectColor);
 356   WMReleaseColor(panel->normalColor);
 357   if (panel->defIcon)
 358     RReleaseImage(panel->defIcon);
 359   RReleaseImage(panel->tile);
 360   wfree(panel);
 361 }
 362
 363
 364 WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back)
 365 {
 366   WWindow *wwin;
 367   int count = WMGetArrayItemCount(panel->windows);
 368
 369   changeImage(panel, panel->current, 0);
 370
 371   if (!back)
 372     panel->current = (count + panel->current - 1) % count;
 373   else
 374     panel->current = (panel->current + 1) % count;
 375
 376   wwin = WMGetFromArray(panel->windows, panel->current);
 377
 378   WMSetLabelText(panel->label, wwin->frame->title);
 379
 380   changeImage(panel, panel->current, 1);
 381
 382   return wwin;
 383 }
 384
 385
 386
 387 WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 388 {
 389   WMLabel *label;
 390   int i;
 391
 392   printf("%i %i\n", event->xmotion.x, event->xmotion.y);
 393
 394   WM_ITERATE_ARRAY(panel->icons, label, i) {
 395     if (WMWidgetXID(label) == event->xmotion.subwindow)
 396       puts("HOORAY");
 397   }
 398
 399   return NULL;
 400 }
 401
 402