src/screen.c

   1 /* screen.c - screen management
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997, 1998 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xutil.h>
  31 #include <X11/Xatom.h>
  32 #ifdef SHAPE
  33 #include <X11/extensions/shape.h>
  34 #endif
  35 #ifdef KEEP_XKB_LOCK_STATUS
  36 #include <X11/XKBlib.h>
  37 #endif /* KEEP_XKB_LOCK_STATUS */
  38
  39 #include <wraster.h>
  40
  41 #include "WindowMaker.h"
  42 #include "def_pixmaps.h"
  43 #include "screen.h"
  44 #include "texture.h"
  45 #include "pixmap.h"
  46 #include "menu.h"
  47 #include "funcs.h"
  48 #include "actions.h"
  49 #include "properties.h"
  50 #include "dock.h"
  51 #include "resources.h"
  52 #include "workspace.h"
  53 #include "session.h"
  54 #include "balloon.h"
  55 #ifdef KWM_HINTS
  56 # include "kwm.h"
  57 #endif
  58 #ifdef GNOME_STUFF
  59 # include "gnome.h"
  60 #endif
  61 #ifdef OLWM_HINTS
  62 # include "openlook.h"
  63 #endif
  64
  65 #include <proplist.h>
  66
  67 #include "defaults.h"
  68
  69
  70 #ifdef LITE
  71 #define EVENT_MASK (LeaveWindowMask|EnterWindowMask|PropertyChangeMask\
  72                 |SubstructureNotifyMask|PointerMotionMask \
  73                 |SubstructureRedirectMask|KeyPressMask|KeyReleaseMask)
  74 #else
  75 #define EVENT_MASK (LeaveWindowMask|EnterWindowMask|PropertyChangeMask\
  76                 |SubstructureNotifyMask|PointerMotionMask \
  77                 |SubstructureRedirectMask|ButtonPressMask|ButtonReleaseMask\
  78                 |KeyPressMask|KeyReleaseMask)
  79 #endif
  80
  81 /**** Global variables ****/
  82
  83 extern Cursor wCursor[WCUR_LAST];
  84 extern WPreferences wPreferences;
  85 extern Atom _XA_WINDOWMAKER_STATE;
  86 extern Atom _XA_WINDOWMAKER_NOTICEBOARD;
  87
  88
  89 extern int wScreenCount;
  90
  91 #ifdef KEEP_XKB_LOCK_STATUS
  92 extern int wXkbSupported;
  93 #endif
  94
  95 extern WDDomain *WDWindowMaker;
  96
  97
  98 /**** Local ****/
  99
 100 #define STIPPLE_WIDTH 2
 101 #define STIPPLE_HEIGHT 2
 102 static char STIPPLE_DATA[] = {0x02, 0x01};
 103
 104 static int CantManageScreen = 0;
 105
 106 static proplist_t dApplications = NULL;
 107 static proplist_t dWorkspace;
 108 static proplist_t dDock;
 109 static proplist_t dClip;
 110
 111
 112 static void
 113 make_keys()
 114 {
 115     if (dApplications!=NULL)
 116         return;
 117
 118     dApplications = PLMakeString("Applications");
 119     dWorkspace = PLMakeString("Workspace");
 120     dDock = PLMakeString("Dock");
 121     dClip = PLMakeString("Clip");
 122 }
 123
 124
 125 /*
 126  *----------------------------------------------------------------------
 127  * alreadyRunningError--
 128  *      X error handler used to catch errors when trying to do
 129  * XSelectInput() on the root window. These errors probably mean that
 130  * there already is some other window manager running.
 131  *
 132  * Returns:
 133  *      Nothing, unless something really evil happens...
 134  *
 135  * Side effects:
 136  *      CantManageScreen is set to 1;
 137  *----------------------------------------------------------------------
 138  */
 139 static int
 140 alreadyRunningError(Display *dpy, XErrorEvent *error)
 141 {
 142     CantManageScreen = 1;
 143     return -1;
 144 }
 145
 146
 147 /*
 148  *----------------------------------------------------------------------
 149  * allocButtonPixmaps--
 150  *      Allocate pixmaps used on window operation buttons (those in the
 151  * titlebar). The pixmaps are linked to the program. If XPM is supported
 152  * XPM pixmaps are used otherwise, equivalent bitmaps are used.
 153  *
 154  * Returns:
 155  *      Nothing
 156  *
 157  * Side effects:
 158  *      Allocates shared pixmaps for the screen. These pixmaps should
 159  * not be freed by anybody.
 160  *----------------------------------------------------------------------
 161  */
 162 static void
 163 allocButtonPixmaps(WScreen *scr)
 164 {
 165     WPixmap *pix;
 166
 167     /* create predefined pixmaps */
 168     pix = wPixmapCreateFromXPMData(scr, PRED_CLOSE_XPM);
 169     if (pix)
 170       pix->shared = 1;
 171     scr->b_pixmaps[WBUT_CLOSE] = pix;
 172
 173     pix = wPixmapCreateFromXPMData(scr, PRED_BROKEN_CLOSE_XPM);
 174     if (pix)
 175       pix->shared = 1;
 176     scr->b_pixmaps[WBUT_BROKENCLOSE] = pix;
 177
 178     pix = wPixmapCreateFromXPMData(scr, PRED_ICONIFY_XPM);
 179     if (pix)
 180       pix->shared = 1;
 181     scr->b_pixmaps[WBUT_ICONIFY] = pix;
 182 #ifdef XKB_BUTTON_HINT
 183     pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP1_XPM);
 184     if (pix)
 185       pix->shared = 1;
 186     scr->b_pixmaps[WBUT_XKBGROUP1] = pix;
 187     pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP2_XPM);
 188     if (pix)
 189       pix->shared = 1;
 190     scr->b_pixmaps[WBUT_XKBGROUP2] = pix;
 191     pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP3_XPM);
 192     if (pix)
 193       pix->shared = 1;
 194     scr->b_pixmaps[WBUT_XKBGROUP3] = pix;
 195     pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP4_XPM);
 196     if (pix)
 197       pix->shared = 1;
 198     scr->b_pixmaps[WBUT_XKBGROUP4] = pix;
 199 #endif
 200
 201
 202     pix = wPixmapCreateFromXPMData(scr, PRED_KILL_XPM);
 203     if (pix)
 204       pix->shared = 1;
 205     scr->b_pixmaps[WBUT_KILL] = pix;
 206 }
 207
 208
 209 static void
 210 draw_dot(WScreen *scr, Drawable d, int x, int y, GC gc)
 211 {
 212     XSetForeground(dpy, gc, scr->black_pixel);
 213     XDrawLine(dpy, d, gc, x, y, x+1, y);
 214     XDrawPoint(dpy, d, gc, x, y+1);
 215     XSetForeground(dpy, gc, scr->white_pixel);
 216     XDrawLine(dpy, d, gc, x+2, y, x+2, y+1);
 217     XDrawPoint(dpy, d, gc, x+1, y+1);
 218 }
 219
 220
 221 static WPixmap*
 222 make3Dots(WScreen *scr)
 223 {
 224     WPixmap *wpix;
 225     GC gc2, gc;
 226     XGCValues gcv;
 227     Pixmap pix, mask;
 228
 229     gc = scr->copy_gc;
 230     pix = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size,
 231                         wPreferences.icon_size, scr->w_depth);
 232     XSetForeground(dpy, gc, scr->black_pixel);
 233     XFillRectangle(dpy, pix, gc, 0, 0, wPreferences.icon_size,
 234                    wPreferences.icon_size);
 235     XSetForeground(dpy, gc, scr->white_pixel);
 236     draw_dot(scr, pix, 4, wPreferences.icon_size-6, gc);
 237     draw_dot(scr, pix, 9, wPreferences.icon_size-6, gc);
 238     draw_dot(scr, pix, 14, wPreferences.icon_size-6, gc);
 239
 240     mask = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size,
 241                          wPreferences.icon_size, 1);
 242     gcv.foreground = 0;
 243     gcv.graphics_exposures = False;
 244     gc2 = XCreateGC(dpy, mask, GCForeground|GCGraphicsExposures, &gcv);
 245     XFillRectangle(dpy, mask, gc2, 0, 0, wPreferences.icon_size,
 246                    wPreferences.icon_size);
 247     XSetForeground(dpy, gc2, 1);
 248     XFillRectangle(dpy, mask, gc2, 4, wPreferences.icon_size-6, 3, 2);
 249     XFillRectangle(dpy, mask, gc2, 9, wPreferences.icon_size-6, 3, 2);
 250     XFillRectangle(dpy, mask, gc2, 14, wPreferences.icon_size-6, 3, 2);
 251
 252     XFreeGC(dpy, gc2);
 253
 254     wpix = wPixmapCreate(scr, pix, mask);
 255     wpix->shared = 1;
 256
 257     return wpix;
 258 }
 259
 260
 261 static void
 262 allocGCs(WScreen *scr)
 263 {
 264     XGCValues gcv;
 265     XColor color;
 266     unsigned long mtextcolor;
 267     int gcm;
 268
 269     scr->stipple_bitmap =
 270       XCreateBitmapFromData(dpy, scr->w_win, STIPPLE_DATA, STIPPLE_WIDTH,
 271                             STIPPLE_HEIGHT);
 272
 273     gcv.stipple = scr->stipple_bitmap;
 274     gcv.foreground = scr->white_pixel;
 275     gcv.fill_style = FillStippled;
 276     gcv.graphics_exposures = False;
 277     gcm = GCForeground|GCStipple|GCFillStyle|GCGraphicsExposures;
 278     scr->stipple_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 279
 280
 281     /* selected icon border GCs */
 282     gcv.function    = GXcopy;
 283     gcv.foreground  = scr->white_pixel;
 284     gcv.background  = scr->black_pixel;
 285     gcv.line_width  = 1;
 286     gcv.line_style  = LineDoubleDash;
 287     gcv.fill_style  = FillSolid;
 288     gcv.dash_offset = 0;
 289     gcv.dashes      = 4;
 290     gcv.graphics_exposures = False;
 291
 292     gcm = GCFunction | GCGraphicsExposures;
 293     gcm |= GCForeground | GCBackground;
 294     gcm |= GCLineWidth | GCLineStyle;
 295     gcm |= GCFillStyle;
 296     gcm |= GCDashOffset | GCDashList;
 297
 298     scr->icon_select_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 299
 300     gcm = GCForeground|GCGraphicsExposures;
 301
 302     scr->menu_title_pixel[0] = scr->white_pixel;
 303     gcv.foreground = scr->white_pixel;
 304     gcv.graphics_exposures = False;
 305     scr->menu_title_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 306
 307     scr->mtext_pixel = scr->black_pixel;
 308     mtextcolor = gcv.foreground = scr->black_pixel;
 309     scr->menu_entry_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 310
 311     /* selected menu entry GC */
 312     gcm = GCForeground|GCBackground|GCGraphicsExposures;
 313     gcv.foreground = scr->white_pixel;
 314     gcv.background = scr->white_pixel;
 315     gcv.graphics_exposures = False;
 316     scr->select_menu_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 317
 318     /* disabled menu entry GC */
 319     scr->dtext_pixel = scr->black_pixel;
 320     gcm = GCForeground|GCBackground|GCStipple|GCGraphicsExposures;
 321     gcv.stipple = scr->stipple_bitmap;
 322     gcv.graphics_exposures = False;
 323     scr->disabled_menu_entry_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 324
 325     /* frame GC */
 326     wGetColor(scr, DEF_FRAME_COLOR, &color);
 327     gcv.function = GXxor;
 328     /* this will raise the probability of the XORed color being different
 329      * of the original color in PseudoColor when not all color cells are
 330      * initialized */
 331     if (DefaultVisual(dpy, scr->screen)->class==PseudoColor)
 332         gcv.plane_mask = (1<<(scr->depth-1))|1;
 333     else
 334         gcv.plane_mask = AllPlanes;
 335     gcv.foreground = color.pixel;
 336     if (gcv.foreground == 0)
 337         gcv.foreground = 1;
 338     gcv.line_width = DEF_FRAME_THICKNESS;
 339     gcv.subwindow_mode = IncludeInferiors;
 340     gcv.graphics_exposures = False;
 341     scr->frame_gc = XCreateGC(dpy, scr->root_win, GCForeground|GCGraphicsExposures
 342                               |GCFunction|GCSubwindowMode|GCLineWidth
 343                               |GCPlaneMask, &gcv);
 344
 345     /* line GC */
 346     gcv.foreground = color.pixel;
 347
 348     if (gcv.foreground == 0)
 349         /* XOR:ing with a zero is not going to be of much use, so
 350            in that case, we somewhat arbitrarily xor with 17 instead. */
 351         gcv.foreground = 17;
 352
 353     gcv.function = GXxor;
 354     gcv.subwindow_mode = IncludeInferiors;
 355     gcv.line_width = 1;
 356     gcv.cap_style = CapRound;
 357     gcv.graphics_exposures = False;
 358     gcm = GCForeground|GCFunction|GCSubwindowMode|GCLineWidth|GCCapStyle
 359         |GCGraphicsExposures;
 360     scr->line_gc = XCreateGC(dpy, scr->root_win, gcm, &gcv);
 361
 362     scr->line_pixel = gcv.foreground;
 363
 364     /* copy GC */
 365     gcv.foreground = scr->white_pixel;
 366     gcv.background = scr->black_pixel;
 367     gcv.graphics_exposures = False;
 368     scr->copy_gc = XCreateGC(dpy, scr->w_win, GCForeground|GCBackground
 369                              |GCGraphicsExposures, &gcv);
 370
 371     /* window title text GC */
 372     gcv.graphics_exposures = False;
 373     scr->window_title_gc = XCreateGC(dpy, scr->w_win,GCGraphicsExposures,&gcv);
 374
 375     /* icon title GC */
 376     scr->icon_title_gc = XCreateGC(dpy, scr->w_win, GCGraphicsExposures, &gcv);
 377
 378     /* clip title GC */
 379     scr->clip_title_gc = XCreateGC(dpy, scr->w_win, GCGraphicsExposures, &gcv);
 380
 381     /* move/size display GC */
 382     gcv.graphics_exposures = False;
 383     gcm = GCGraphicsExposures;
 384     scr->info_text_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 385
 386     /* misc drawing GC */
 387     gcv.graphics_exposures = False;
 388     gcm = GCGraphicsExposures;
 389     scr->draw_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 390
 391     assert (scr->stipple_bitmap!=None);
 392
 393
 394     /* mono GC */
 395     scr->mono_gc = XCreateGC(dpy, scr->stipple_bitmap, gcm, &gcv);
 396 }
 397
 398
 399
 400 static void
 401 createPixmaps(WScreen *scr)
 402 {
 403     WPixmap *pix;
 404     WMPixmap *wmpix;
 405     RImage *image;
 406     Pixmap p, m;
 407
 408     /* load pixmaps */
 409     pix = wPixmapCreateFromXBMData(scr, (char*)MENU_RADIO_INDICATOR_XBM_DATA,
 410                                    (char*)MENU_RADIO_INDICATOR_XBM_DATA,
 411                                    MENU_RADIO_INDICATOR_XBM_SIZE,
 412                                    MENU_RADIO_INDICATOR_XBM_SIZE,
 413                                    scr->black_pixel, scr->white_pixel);
 414     if (pix!=NULL)
 415       pix->shared = 1;
 416     scr->menu_radio_indicator = pix;
 417
 418
 419     pix = wPixmapCreateFromXBMData(scr, (char*)MENU_CHECK_INDICATOR_XBM_DATA,
 420                                    (char*)MENU_CHECK_INDICATOR_XBM_DATA,
 421                                    MENU_CHECK_INDICATOR_XBM_SIZE,
 422                                    MENU_CHECK_INDICATOR_XBM_SIZE,
 423                                    scr->black_pixel, scr->white_pixel);
 424     if (pix!=NULL)
 425       pix->shared = 1;
 426     scr->menu_check_indicator = pix;
 427
 428     pix = wPixmapCreateFromXBMData(scr, (char*)MENU_MINI_INDICATOR_XBM_DATA,
 429                                    (char*)MENU_MINI_INDICATOR_XBM_DATA,
 430                                    MENU_MINI_INDICATOR_XBM_SIZE,
 431                                    MENU_MINI_INDICATOR_XBM_SIZE,
 432                                    scr->black_pixel, scr->white_pixel);
 433     if (pix!=NULL)
 434       pix->shared = 1;
 435     scr->menu_mini_indicator = pix;
 436
 437     pix = wPixmapCreateFromXBMData(scr, (char*)MENU_HIDE_INDICATOR_XBM_DATA,
 438                                    (char*)MENU_HIDE_INDICATOR_XBM_DATA,
 439                                    MENU_HIDE_INDICATOR_XBM_SIZE,
 440                                    MENU_HIDE_INDICATOR_XBM_SIZE,
 441                                    scr->black_pixel, scr->white_pixel);
 442     if (pix!=NULL)
 443       pix->shared = 1;
 444     scr->menu_hide_indicator = pix;
 445
 446     pix = wPixmapCreateFromXBMData(scr, (char*)MENU_SHADE_INDICATOR_XBM_DATA,
 447                                   (char*)MENU_SHADE_INDICATOR_XBM_DATA,
 448                                   MENU_SHADE_INDICATOR_XBM_SIZE,
 449                                   MENU_SHADE_INDICATOR_XBM_SIZE,
 450                                   scr->black_pixel, scr->white_pixel);
 451     if (pix!=NULL)
 452       pix->shared = 1;
 453     scr->menu_shade_indicator = pix;
 454
 455
 456     image = wDefaultGetImage(scr, "Logo", "WMPanel");
 457
 458     if (!image) {
 459         wwarning(_("could not load logo image for panels: %s"),
 460                  RMessageForError(RErrorCode));
 461     } else {
 462         if (!RConvertImageMask(scr->rcontext, image, &p, &m, 128)) {
 463             wwarning(_("error making logo image for panel:%s"), RMessageForError(RErrorCode));
 464         } else {
 465             wmpix = WMCreatePixmapFromXPixmaps(scr->wmscreen, p, m,
 466                                                image->width, image->height,
 467                                                scr->depth);
 468             WMSetApplicationIconImage(scr->wmscreen, wmpix);
 469             WMReleasePixmap(wmpix);
 470         }
 471         RDestroyImage(image);
 472     }
 473
 474     scr->dock_dots = make3Dots(scr);
 475
 476     /* titlebar button pixmaps */
 477     allocButtonPixmaps(scr);
 478 }
 479
 480
 481 /*
 482  *----------------------------------------------------------------------
 483  * createInternalWindows--
 484  *      Creates some windows used internally by the program. One to
 485  * receive input focus when no other window can get it and another
 486  * to display window geometry information during window resize/move.
 487  *
 488  * Returns:
 489  *      Nothing
 490  *
 491  * Side effects:
 492  *      Windows are created and some colors are allocated for the
 493  * window background.
 494  *----------------------------------------------------------------------
 495  */
 496 static void
 497 createInternalWindows(WScreen *scr)
 498 {
 499     int vmask;
 500     XSetWindowAttributes attribs;
 501
 502     /* window for displaying geometry information during resizes and moves */
 503     vmask = CWBorderPixel|CWBackPixmap|CWBackPixel|CWCursor|CWSaveUnder|CWOverrideRedirect;
 504     attribs.border_pixel = scr->black_pixel;
 505     attribs.save_under = True;
 506     attribs.override_redirect = True;
 507     attribs.cursor = wCursor[WCUR_DEFAULT];
 508     attribs.background_pixmap = None;
 509     if (scr->widget_texture)
 510         attribs.background_pixel = scr->widget_texture->normal.pixel;
 511     else
 512         attribs.background_pixel = scr->light_pixel;
 513     vmask |= CWColormap;
 514     attribs.colormap = scr->w_colormap;
 515
 516     wGetGeometryWindowSize(scr, &scr->geometry_display_width,
 517                            &scr->geometry_display_height);
 518     scr->geometry_display =
 519       XCreateWindow(dpy, scr->root_win, 1, 1,
 520                     scr->geometry_display_width,
 521                     scr->geometry_display_height,
 522                     1, scr->w_depth, CopyFromParent, scr->w_visual,
 523                     vmask, &attribs);
 524
 525     /* InputOnly window to get the focus when no other window can get it */
 526     vmask = CWEventMask|CWOverrideRedirect;
 527     attribs.event_mask = KeyPressMask|FocusChangeMask;
 528     attribs.override_redirect = True;
 529     scr->no_focus_win=XCreateWindow(dpy,scr->root_win,-10, -10, 4, 4, 0, 0,
 530                                     InputOnly,CopyFromParent, vmask, &attribs);
 531     XSelectInput(dpy, scr->no_focus_win, KeyPressMask|KeyReleaseMask);
 532     XMapWindow(dpy, scr->no_focus_win);
 533
 534     XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
 535
 536     /* shadow window for dock buttons */
 537     vmask = CWBorderPixel|CWBackPixmap|CWBackPixel|CWCursor|CWSaveUnder|CWOverrideRedirect;
 538     attribs.border_pixel = scr->black_pixel;
 539     attribs.save_under = True;
 540     attribs.override_redirect = True;
 541     attribs.background_pixmap = None;
 542     attribs.background_pixel = scr->white_pixel;
 543     vmask |= CWColormap;
 544     attribs.colormap = scr->w_colormap;
 545     scr->dock_shadow =
 546       XCreateWindow(dpy, scr->root_win, 0, 0, wPreferences.icon_size,
 547                     wPreferences.icon_size, 0, scr->w_depth, CopyFromParent,
 548                     scr->w_visual, vmask, &attribs);
 549
 550     /* workspace name balloon for clip */
 551     vmask = CWBackPixel|CWSaveUnder|CWOverrideRedirect|CWColormap
 552         |CWBorderPixel;
 553     attribs.save_under = True;
 554     attribs.override_redirect = True;
 555     attribs.colormap = scr->w_colormap;
 556     attribs.background_pixel = scr->icon_back_texture->normal.pixel;
 557     attribs.border_pixel = 0; /* do not care */
 558     scr->clip_balloon =
 559       XCreateWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, scr->w_depth,
 560                     CopyFromParent, scr->w_visual, vmask, &attribs);
 561
 562
 563     /* workspace name */
 564     vmask = CWBackPixel|CWSaveUnder|CWOverrideRedirect|CWColormap
 565         |CWBorderPixel;
 566     attribs.save_under = True;
 567     attribs.override_redirect = True;
 568     attribs.colormap = scr->w_colormap;
 569     attribs.background_pixel = scr->icon_back_texture->normal.pixel;
 570     attribs.border_pixel = 0; /* do not care */
 571     scr->workspace_name =
 572       XCreateWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, scr->w_depth,
 573                     CopyFromParent, scr->w_visual, vmask, &attribs);
 574
 575
 576     /* for our window manager info notice board */
 577     scr->info_window =
 578       XCreateWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, CopyFromParent,
 579                     CopyFromParent, CopyFromParent, CWOverrideRedirect,
 580                     &attribs);
 581
 582     /*
 583      * If the window is clicked without having ButtonPress selected, the
 584      * resulting event will have event.xbutton.window == root.
 585      */
 586     XSelectInput(dpy, scr->clip_balloon, ButtonPressMask);
 587 }
 588
 589
 590 #if 0
 591 static Bool
 592 aquireManagerSelection(WScreen *scr)
 593 {
 594     char buffer[32];
 595     XEvent ev;
 596     Time timestamp;
 597
 598     sprintf(buffer, "WM_S%i", scr->screen);
 599     scr->managerAtom = XInternAtom(dpy, buffer, False);
 600
 601     /* for race-conditions... */
 602     XGrabServer(dpy);
 603
 604     /* if there is another manager running, don't try to replace it
 605      * (for now, at least) */
 606     if (XGetSelectionOwner(dpy, scr->managerAtom) != None) {
 607         XUngrabServer(dpy);
 608         return False;
 609     }
 610
 611     /* become the manager for this screen */
 612
 613     scr->managerWindow = XCreateSimpleWindow(dpy, scr->root_win, 0, 0, 1, 1,
 614                                              0, 0, 0);
 615
 616     XSelectInput(dpy, scr->managerWindow, PropertyChangeMask);
 617     /* get a timestamp */
 618     XChangeProperty(dpy, scr->managerWindow, scr->managerAtom,
 619                     XA_INTEGER, 32, PropModeAppend, NULL, 0);
 620     while (1) {
 621         XWindowEvent(dpy, scr->managerWindow, &ev);
 622         if (ev.type == PropertyNotify) {
 623             timestamp = ev.xproperty.time;
 624             break;
 625         }
 626     }
 627     XSelectInput(dpy, scr->managerWindow, NoEvents);
 628     XDeleteProperty(dpy, scr->managerWindow, scr->managerAtom);
 629
 630     XSetSelectionOwner(dpy, scr->managerAtom, scr->managerWindow, CurrentTime);
 631
 632     XUngrabServer(dpy);
 633
 634     /* announce our arrival */
 635
 636     ev.xclient.type = ClientMessage;
 637     ev.xclient.message_type = XInternAtom(dpy, "MANAGER", False);
 638     ev.xclient.destination = scr->root_win;
 639     ev.xclient.format = 32;
 640     ev.xclient.data.l[0] = timestamp;
 641     ev.xclient.data.l[1] = scr->managerAtom;
 642     ev.xclient.data.l[2] = scr->managerWindow;
 643     ev.xclient.data.l[3] = 0;
 644     ev.xclient.data.l[4] = 0;
 645
 646     XSendEvent(dpy, scr->root_win, False, StructureNotify, &ev);
 647     XSync(dpy, False);
 648
 649     return True;
 650 }
 651 #endif
 652
 653 /*
 654  *----------------------------------------------------------------------
 655  * wScreenInit--
 656  *      Initializes the window manager for the given screen and
 657  * allocates a WScreen descriptor for it. Many resources are allocated
 658  * for the screen and the root window is setup appropriately.
 659  *
 660  * Returns:
 661  *      The WScreen descriptor for the screen.
 662  *
 663  * Side effects:
 664  *      Many resources are allocated and the IconSize property is
 665  * set on the root window.
 666  *      The program can be aborted if some fatal error occurs.
 667  *
 668  * TODO: User specifiable visual.
 669  *----------------------------------------------------------------------
 670  */
 671 WScreen*
 672 wScreenInit(int screen_number)
 673 {
 674     WScreen *scr;
 675     XIconSize icon_size[1];
 676     RContextAttributes rattr;
 677     extern int wVisualID;
 678     long event_mask;
 679     WMColor *color;
 680     XErrorHandler oldHandler;
 681
 682     scr = wmalloc(sizeof(WScreen));
 683     memset(scr, 0, sizeof(WScreen));
 684
 685     /* initialize globals */
 686     scr->screen = screen_number;
 687     scr->root_win = RootWindow(dpy, screen_number);
 688     scr->depth = DefaultDepth(dpy, screen_number);
 689     scr->colormap = DefaultColormap(dpy, screen_number);
 690
 691     scr->scr_width = WidthOfScreen(ScreenOfDisplay(dpy, screen_number));
 692     scr->scr_height = HeightOfScreen(ScreenOfDisplay(dpy, screen_number));
 693
 694     scr->usableArea.x2 = scr->scr_width;
 695     scr->usableArea.y2 = scr->scr_height;
 696     scr->totalUsableArea.x2 = scr->scr_width;
 697     scr->totalUsableArea.y2 = scr->scr_height;
 698
 699 #if 0
 700     if (!aquireManagerSelection(scr)) {
 701         free(scr);
 702
 703         return NULL;
 704     }
 705 #endif
 706     CantManageScreen = 0;
 707     oldHandler = XSetErrorHandler((XErrorHandler)alreadyRunningError);
 708
 709     event_mask = EVENT_MASK;
 710
 711     if (wPreferences.disable_root_mouse) {
 712         event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
 713     }
 714
 715     XSelectInput(dpy, scr->root_win, event_mask);
 716
 717 #ifdef KEEP_XKB_LOCK_STATUS
 718     /* Only GroupLock doesn't work correctly in my system since right-alt
 719      * can change mode while holding it too - ]d
 720      */
 721     if (wXkbSupported) {
 722         XkbSelectEvents(dpy,XkbUseCoreKbd,
 723                 XkbStateNotifyMask,
 724                 XkbStateNotifyMask);
 725     }
 726 #endif /* KEEP_XKB_LOCK_STATUS */
 727
 728     XSync(dpy, False);
 729     XSetErrorHandler(oldHandler);
 730
 731     if (CantManageScreen) {
 732         free(scr);
 733         return NULL;
 734     }
 735
 736     XDefineCursor(dpy, scr->root_win, wCursor[WCUR_DEFAULT]);
 737
 738     /* screen descriptor for raster graphic library */
 739     rattr.flags = RC_RenderMode | RC_ColorsPerChannel;
 740     rattr.render_mode = wPreferences.no_dithering
 741                                 ? RBestMatchRendering
 742                                 : RDitheredRendering;
 743
 744     rattr.colors_per_channel = wPreferences.cmap_size;
 745     if (rattr.colors_per_channel<2)
 746         rattr.colors_per_channel = 2;
 747
 748     if (wVisualID>=0) {
 749         rattr.flags |= RC_VisualID;
 750         rattr.visualid = wVisualID;
 751     }
 752     scr->rcontext = RCreateContext(dpy, screen_number, &rattr);
 753     if (!scr->rcontext) {
 754         wwarning(_("could not initialize graphics library context: %s"),
 755                  RMessageForError(RErrorCode));
 756         wAbort(False);
 757     } else {
 758         char **formats;
 759         int i = 0;
 760
 761         formats = RSupportedFileFormats();
 762         if (formats) {
 763             for (i=0; formats[i]!=NULL; i++) {
 764                 if (strcmp(formats[i], "TIFF")==0) {
 765                     scr->flags.supports_tiff = 1;
 766                     break;
 767                 }
 768             }
 769         }
 770     }
 771
 772     scr->w_win = scr->rcontext->drawable;
 773     scr->w_visual = scr->rcontext->visual;
 774     scr->w_depth = scr->rcontext->depth;
 775     scr->w_colormap = scr->rcontext->cmap;
 776
 777     scr->black_pixel = scr->rcontext->black;
 778     scr->white_pixel = scr->rcontext->white;
 779
 780     /* create screen descriptor for WINGs */
 781     scr->wmscreen = WMCreateScreenWithRContext(dpy, screen_number,
 782                                                scr->rcontext);
 783
 784     if (!scr->wmscreen) {
 785         wfatal(_("could not do initialization of WINGs widget set"));
 786
 787         return NULL;
 788     }
 789
 790     color = WMGrayColor(scr->wmscreen);
 791     scr->light_pixel = WMColorPixel(color);
 792     WMReleaseColor(color);
 793
 794     color = WMDarkGrayColor(scr->wmscreen);
 795     scr->dark_pixel = WMColorPixel(color);
 796     WMReleaseColor(color);
 797
 798     {
 799         XColor xcol;
 800         /* frame boder color */
 801         wGetColor(scr, FRAME_BORDER_COLOR, &xcol);
 802         scr->frame_border_pixel = xcol.pixel;
 803     }
 804
 805     /* create GCs with default values */
 806     allocGCs(scr);
 807
 808     /* read defaults for this screen */
 809     wReadDefaults(scr, WDWindowMaker->dictionary);
 810
 811     createInternalWindows(scr);
 812
 813 #ifdef KWM_HINTS
 814     wKWMInitStuff(scr);
 815 #endif
 816
 817 #ifdef GNOME_STUFF
 818     wGNOMEInitStuff(scr);
 819 #endif
 820
 821 #ifdef OLWM_HINTS
 822     wOLWMInitStuff(scr);
 823 #endif
 824
 825     /* create initial workspace */
 826     wWorkspaceNew(scr);
 827
 828     /* create shared pixmaps */
 829     createPixmaps(scr);
 830
 831     /* set icon sizes we can accept from clients */
 832     icon_size[0].min_width = 8;
 833     icon_size[0].min_height = 8;
 834     icon_size[0].max_width = wPreferences.icon_size-4;
 835     icon_size[0].max_height = wPreferences.icon_size-4;
 836     icon_size[0].width_inc = 1;
 837     icon_size[0].height_inc = 1;
 838     XSetIconSizes(dpy, scr->root_win, icon_size, 1);
 839
 840     /* setup WindowMaker protocols property in the root window*/
 841     PropSetWMakerProtocols(scr->root_win);
 842
 843     /* setup our noticeboard */
 844     XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_NOTICEBOARD,
 845                     XA_WINDOW, 32, PropModeReplace,
 846                     (unsigned char*)&scr->info_window, 1);
 847     XChangeProperty(dpy, scr->root_win, _XA_WINDOWMAKER_NOTICEBOARD,
 848                     XA_WINDOW, 32, PropModeReplace,
 849                     (unsigned char*)&scr->info_window, 1);
 850
 851
 852 #ifdef BALLOON_TEXT
 853     /* initialize balloon text stuff */
 854     wBalloonInitialize(scr);
 855 #endif
 856
 857     wScreenUpdateUsableArea(scr);
 858
 859
 860     return scr;
 861 }
 862
 863
 864 void
 865 wScreenUpdateUsableArea(WScreen *scr)
 866 {
 867 #ifdef GNOME_STUFF
 868     WReservedArea *area;
 869 #endif
 870
 871     scr->totalUsableArea = scr->usableArea;
 872
 873
 874     if (scr->dock && (!scr->dock->lowered
 875                       || wPreferences.no_window_over_dock)) {
 876
 877         int offset = wPreferences.icon_size + DOCK_EXTRA_SPACE;
 878
 879         if (scr->dock->on_right_side) {
 880             scr->totalUsableArea.x2 = WMIN(scr->totalUsableArea.x2,
 881                                           scr->scr_width - offset);
 882         } else {
 883             scr->totalUsableArea.x1 = WMAX(scr->totalUsableArea.x1, offset);
 884         }
 885     }
 886
 887     if (wPreferences.no_window_over_icons) {
 888         if (wPreferences.icon_yard & IY_VERT) {
 889
 890             if (!(wPreferences.icon_yard & IY_RIGHT)) {
 891                 scr->totalUsableArea.x1 += wPreferences.icon_size;
 892             } else {
 893                 scr->totalUsableArea.x2 -= wPreferences.icon_size;
 894             }
 895         } else {
 896
 897             if (wPreferences.icon_yard & IY_TOP) {
 898                 scr->totalUsableArea.y1 += wPreferences.icon_size;
 899             } else {
 900                 scr->totalUsableArea.y2 -= wPreferences.icon_size;
 901             }
 902         }
 903     }
 904
 905 #ifdef KWM_HINTS
 906     {
 907         WArea area;
 908
 909         if (wKWMGetUsableArea(scr, &area)) {
 910             scr->totalUsableArea.x1 = WMAX(scr->totalUsableArea.x1, area.x1);
 911             scr->totalUsableArea.y1 = WMAX(scr->totalUsableArea.y1, area.y1);
 912             scr->totalUsableArea.x2 = WMIN(scr->totalUsableArea.x2, area.x2);
 913             scr->totalUsableArea.y2 = WMIN(scr->totalUsableArea.y2, area.y2);
 914         }
 915     }
 916 #endif
 917
 918 #ifdef GNOME_STUFF
 919     area = scr->reservedAreas;
 920
 921     while (area) {
 922         int th, bh;
 923         int lw, rw;
 924         int w, h;
 925
 926         w = area->area.x2 - area->area.x1;
 927         h = area->area.y2 - area->area.y1;
 928
 929         th = area->area.y1;
 930         bh = scr->scr_height - area->area.y2;
 931         lw = area->area.x1;
 932         rw = scr->scr_width - area->area.x2;
 933
 934         if (WMIN(th, bh) < WMIN(lw, rw)) {
 935             /* horizontal */
 936             if (th < bh) {
 937                 /* on top */
 938                 if (scr->totalUsableArea.y1 < area->area.y2)
 939                     scr->totalUsableArea.y1 = area->area.y2;
 940             } else {
 941                 /* on bottom */
 942                 if (scr->totalUsableArea.y2 > area->area.y1)
 943                     scr->totalUsableArea.y2 = area->area.y1;
 944             }
 945         } else {
 946             /* vertical */
 947             if (lw < rw) {
 948                 /* on left */
 949                 if (scr->totalUsableArea.x1 < area->area.x2)
 950                     scr->totalUsableArea.x1 = area->area.x2;
 951             } else {
 952                 /* on right */
 953                 if (scr->totalUsableArea.x2 > area->area.x1)
 954                     scr->totalUsableArea.x2 = area->area.x1;
 955             }
 956         }
 957
 958         area = area->next;
 959     }
 960 #endif /* GNOME_STUFF */
 961
 962     if (scr->totalUsableArea.x2 - scr->totalUsableArea.x1 < scr->scr_width/2) {
 963         scr->totalUsableArea.x2 = scr->usableArea.x2;
 964         scr->totalUsableArea.x1 = scr->usableArea.x1;
 965     }
 966     if (scr->totalUsableArea.y2 - scr->totalUsableArea.y1 < scr->scr_height/2) {
 967         scr->totalUsableArea.y2 = scr->usableArea.y2;
 968         scr->totalUsableArea.y1 = scr->usableArea.y1;
 969     }
 970
 971 #ifdef not_used
 972 #ifdef KWM_HINTS
 973     {
 974         int i;
 975
 976         for (i = 0; i < scr->workspace_count; i++) {
 977             wKWMSetUsableAreaHint(scr, i);
 978         }
 979     }
 980 #endif
 981 #endif
 982 }
 983
 984
 985 void
 986 wScreenRestoreState(WScreen *scr)
 987 {
 988     proplist_t state;
 989     char *path;
 990
 991
 992 #ifndef LITE
 993     OpenRootMenu(scr, -10000, -10000, False);
 994     wMenuUnmap(scr->root_menu);
 995 #endif
 996
 997     make_keys();
 998
 999     if (wScreenCount == 1)
1000         path = wdefaultspathfordomain("WMState");
1001     else {
1002         char buf[16];
1003         sprintf(buf, "WMState.%i", scr->screen);
1004         path = wdefaultspathfordomain(buf);
1005     }
1006     scr->session_state = PLGetProplistWithPath(path);
1007     free(path);
1008     if (!scr->session_state && wScreenCount>1) {
1009         char buf[16];
1010         sprintf(buf, "WMState.%i", scr->screen);
1011         path = wdefaultspathfordomain(buf);
1012         scr->session_state = PLGetProplistWithPath(path);
1013         free(path);
1014     }
1015
1016     if (!wPreferences.flags.noclip) {
1017         state = PLGetDictionaryEntry(scr->session_state, dClip);
1018         scr->clip_icon = wClipRestoreState(scr, state);
1019     }
1020
1021     wWorkspaceRestoreState(scr);
1022
1023     if (!wPreferences.flags.nodock) {
1024         state = PLGetDictionaryEntry(scr->session_state, dDock);
1025         scr->dock = wDockRestoreState(scr, state, WM_DOCK);
1026     }
1027
1028     wScreenUpdateUsableArea(scr);
1029 }
1030
1031
1032 void
1033 wScreenSaveState(WScreen *scr)
1034 {
1035     WWorkspaceState wstate;
1036     WWindow *wwin;
1037     char *str;
1038     proplist_t path, old_state, foo;
1039     CARD32 data[2];
1040
1041
1042     make_keys();
1043
1044 /*
1045  * Save current workspace, so can go back to it upon restart.
1046  */
1047     wstate.workspace = scr->current_workspace;
1048
1049     data[0] = wstate.flags;
1050     data[1] = wstate.workspace;
1051
1052     XChangeProperty(dpy, scr->root_win, _XA_WINDOWMAKER_STATE,
1053                     _XA_WINDOWMAKER_STATE, 32, PropModeReplace,
1054                     (unsigned char *) data, 2);
1055
1056     /* save state of windows */
1057     wwin = scr->focused_window;
1058     while (wwin) {
1059         wWindowSaveState(wwin);
1060         wwin = wwin->prev;
1061     }
1062
1063
1064     if (wPreferences.flags.noupdates)
1065         return;
1066
1067
1068     old_state = scr->session_state;
1069     scr->session_state = PLMakeDictionaryFromEntries(NULL, NULL, NULL);
1070
1071     PLSetStringCmpHook(NULL);
1072
1073     /* save dock state to file */
1074     if (!wPreferences.flags.nodock) {
1075         wDockSaveState(scr, old_state);
1076     } else {
1077         if ((foo = PLGetDictionaryEntry(old_state, dDock))!=NULL) {
1078             PLInsertDictionaryEntry(scr->session_state, dDock, foo);
1079         }
1080     }
1081     if (!wPreferences.flags.noclip) {
1082         wClipSaveState(scr);
1083     } else {
1084         if ((foo = PLGetDictionaryEntry(old_state, dClip))!=NULL) {
1085             PLInsertDictionaryEntry(scr->session_state, dClip, foo);
1086         }
1087     }
1088
1089     wWorkspaceSaveState(scr, old_state);
1090
1091     if (wPreferences.save_session_on_exit) {
1092         wSessionSaveState(scr);
1093     } else {
1094         if ((foo = PLGetDictionaryEntry(old_state, dApplications))!=NULL) {
1095             PLInsertDictionaryEntry(scr->session_state, dApplications, foo);
1096         }
1097         if ((foo = PLGetDictionaryEntry(old_state, dWorkspace))!=NULL) {
1098             PLInsertDictionaryEntry(scr->session_state, dWorkspace, foo);
1099         }
1100     }
1101
1102     /* clean up */
1103     PLSetStringCmpHook(StringCompareHook);
1104
1105     wMenuSaveState(scr);
1106
1107     if (wScreenCount == 1)
1108         str = wdefaultspathfordomain("WMState");
1109     else {
1110         char buf[16];
1111         sprintf(buf, "WMState.%i", scr->screen);
1112         str = wdefaultspathfordomain(buf);
1113     }
1114     path = PLMakeString(str);
1115     free(str);
1116     PLSetFilename(scr->session_state, path);
1117     if (!PLSave(scr->session_state, YES)) {
1118         wsyserror(_("could not save session state in %s"), PLGetString(path));
1119     }
1120     PLRelease(path);
1121     PLRelease(old_state);
1122 }
1123
1124
1125
1126 int
1127 wScreenBringInside(WScreen *scr, int *x, int *y, int width, int height)
1128 {
1129     int moved = 0;
1130     int tol_w, tol_h;
1131
1132     if (width > 20)
1133         tol_w = width/2;
1134     else
1135         tol_w = 20;
1136
1137     if (height > 20)
1138         tol_h = height/2;
1139     else
1140         tol_h = 20;
1141
1142     if (*x+width < 10)
1143         *x = -tol_w, moved = 1;
1144     else if (*x >= scr->scr_width - 10)
1145         *x = scr->scr_width - tol_w - 1, moved = 1;
1146
1147     if (*y < -height + 10)
1148         *y = -tol_h, moved = 1;
1149     else if (*y >= scr->scr_height - 10)
1150         *y = scr->scr_height - tol_h - 1, moved = 1;
1151
1152     return moved;
1153 }
1154
1155