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