src/screen.c

   1 /* screen.c - screen management
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997-2003 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 along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #include <X11/Xlib.h>
  29 #include <X11/Xutil.h>
  30 #include <X11/Xatom.h>
  31 #ifdef SHAPE
  32 #include <X11/extensions/shape.h>
  33 #endif
  34 #ifdef KEEP_XKB_LOCK_STATUS
  35 #include <X11/XKBlib.h>
  36 #endif                          /* KEEP_XKB_LOCK_STATUS */
  37 #ifdef HAVE_XRANDR
  38 #include <X11/extensions/Xrandr.h>
  39 #endif
  40
  41 #include <wraster.h>
  42 #include "WindowMaker.h"
  43 #include "def_pixmaps.h"
  44 #include "screen.h"
  45 #include "texture.h"
  46 #include "pixmap.h"
  47 #include "menu.h"
  48 #include "funcs.h"
  49 #include "main.h"
  50 #include "actions.h"
  51 #include "properties.h"
  52 #include "dock.h"
  53 #include "resources.h"
  54 #include "workspace.h"
  55 #include "session.h"
  56 #include "balloon.h"
  57 #include "geomview.h"
  58 #include "wmspec.h"
  59 #include "rootmenu.h"
  60
  61 #include "xinerama.h"
  62
  63 #include <WINGs/WUtil.h>
  64
  65 #include "defaults.h"
  66
  67 #define EVENT_MASK (LeaveWindowMask|EnterWindowMask|PropertyChangeMask\
  68     |SubstructureNotifyMask|PointerMotionMask \
  69     |SubstructureRedirectMask|ButtonPressMask|ButtonReleaseMask\
  70     |KeyPressMask|KeyReleaseMask)
  71
  72 /**** Global variables ****/
  73 extern Cursor wCursor[WCUR_LAST];
  74 extern WPreferences wPreferences;
  75 extern Atom _XA_WINDOWMAKER_STATE;
  76 extern Atom _XA_WINDOWMAKER_NOTICEBOARD;
  77
  78 extern int wScreenCount;
  79
  80 #ifdef KEEP_XKB_LOCK_STATUS
  81 extern int wXkbSupported;
  82 #endif
  83
  84 extern WDDomain *WDWindowMaker;
  85
  86 /**** Local ****/
  87 #define STIPPLE_WIDTH 2
  88 #define STIPPLE_HEIGHT 2
  89 static char STIPPLE_DATA[] = { 0x02, 0x01 };
  90
  91 static int CantManageScreen = 0;
  92
  93 static WMPropList *dApplications = NULL;
  94 static WMPropList *dWorkspace;
  95 static WMPropList *dDock;
  96 static WMPropList *dClip;
  97 static WMPropList *dDrawers = NULL;
  98
  99 static void make_keys(void)
 100 {
 101         if (dApplications != NULL)
 102                 return;
 103
 104         dApplications = WMCreatePLString("Applications");
 105         dWorkspace = WMCreatePLString("Workspace");
 106         dDock = WMCreatePLString("Dock");
 107         dClip = WMCreatePLString("Clip");
 108         dDrawers = WMCreatePLString("Drawers");
 109 }
 110
 111 /*
 112  *----------------------------------------------------------------------
 113  * alreadyRunningError--
 114  *      X error handler used to catch errors when trying to do
 115  * XSelectInput() on the root window. These errors probably mean that
 116  * there already is some other window manager running.
 117  *
 118  * Returns:
 119  *      Nothing, unless something really evil happens...
 120  *
 121  * Side effects:
 122  *      CantManageScreen is set to 1;
 123  *----------------------------------------------------------------------
 124  */
 125 static int alreadyRunningError(Display * dpy, XErrorEvent * error)
 126 {
 127         CantManageScreen = 1;
 128         return -1;
 129 }
 130
 131 /*
 132  *----------------------------------------------------------------------
 133  * allocButtonPixmaps--
 134  *      Allocate pixmaps used on window operation buttons (those in the
 135  * titlebar). The pixmaps are linked to the program. If XPM is supported
 136  * XPM pixmaps are used otherwise, equivalent bitmaps are used.
 137  *
 138  * Returns:
 139  *      Nothing
 140  *
 141  * Side effects:
 142  *      Allocates shared pixmaps for the screen. These pixmaps should
 143  * not be freed by anybody.
 144  *----------------------------------------------------------------------
 145  */
 146 static void allocButtonPixmaps(WScreen * scr)
 147 {
 148         WPixmap *pix;
 149
 150         /* create predefined pixmaps */
 151         if (wPreferences.new_style == TS_NEXT) {
 152                 pix = wPixmapCreateFromXPMData(scr, NEXT_CLOSE_XPM);
 153         } else {
 154                 pix = wPixmapCreateFromXPMData(scr, PRED_CLOSE_XPM);
 155         }
 156         if (pix)
 157                 pix->shared = 1;
 158         scr->b_pixmaps[WBUT_CLOSE] = pix;
 159
 160         if (wPreferences.new_style == TS_NEXT) {
 161                 pix = wPixmapCreateFromXPMData(scr, NEXT_BROKEN_CLOSE_XPM);
 162         } else {
 163                 pix = wPixmapCreateFromXPMData(scr, PRED_BROKEN_CLOSE_XPM);
 164         }
 165         if (pix)
 166                 pix->shared = 1;
 167         scr->b_pixmaps[WBUT_BROKENCLOSE] = pix;
 168
 169         if (wPreferences.new_style == TS_NEXT) {
 170                 pix = wPixmapCreateFromXPMData(scr, NEXT_ICONIFY_XPM);
 171         } else {
 172                 pix = wPixmapCreateFromXPMData(scr, PRED_ICONIFY_XPM);
 173         }
 174         if (pix)
 175                 pix->shared = 1;
 176         scr->b_pixmaps[WBUT_ICONIFY] = pix;
 177 #ifdef XKB_BUTTON_HINT
 178         if (wPreferences.new_style == TS_NEXT) {
 179                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP1_XPM);
 180         } else {
 181                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP1_XPM);
 182         }
 183         if (pix)
 184                 pix->shared = 1;
 185         scr->b_pixmaps[WBUT_XKBGROUP1] = pix;
 186         if (wPreferences.new_style == TS_NEXT) {
 187                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP2_XPM);
 188         } else {
 189                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP2_XPM);
 190         }
 191         if (pix)
 192                 pix->shared = 1;
 193         scr->b_pixmaps[WBUT_XKBGROUP2] = pix;
 194         if (wPreferences.new_style == TS_NEXT) {
 195                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP3_XPM);
 196         } else {
 197                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP3_XPM);
 198         }
 199         if (pix)
 200                 pix->shared = 1;
 201         scr->b_pixmaps[WBUT_XKBGROUP3] = pix;
 202         if (wPreferences.new_style == TS_NEXT) {
 203                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP4_XPM);
 204         } else {
 205                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP4_XPM);
 206         }
 207         if (pix)
 208                 pix->shared = 1;
 209         scr->b_pixmaps[WBUT_XKBGROUP4] = pix;
 210 #endif
 211
 212         if (wPreferences.new_style == TS_NEXT) {
 213                 pix = wPixmapCreateFromXPMData(scr, NEXT_KILL_XPM);
 214         } else {
 215                 pix = wPixmapCreateFromXPMData(scr, PRED_KILL_XPM);
 216         }
 217         if (pix)
 218                 pix->shared = 1;
 219         scr->b_pixmaps[WBUT_KILL] = pix;
 220 }
 221
 222 static void draw_dot(WScreen * scr, Drawable d, int x, int y, GC gc)
 223 {
 224         XSetForeground(dpy, gc, scr->black_pixel);
 225         XDrawLine(dpy, d, gc, x, y, x + 1, y);
 226         XDrawPoint(dpy, d, gc, x, y + 1);
 227         XSetForeground(dpy, gc, scr->white_pixel);
 228         XDrawLine(dpy, d, gc, x + 2, y, x + 2, y + 1);
 229         XDrawPoint(dpy, d, gc, x + 1, y + 1);
 230 }
 231
 232 static WPixmap *make3Dots(WScreen * scr)
 233 {
 234         WPixmap *wpix;
 235         GC gc2, gc;
 236         XGCValues gcv;
 237         Pixmap pix, mask;
 238
 239         gc = scr->copy_gc;
 240         pix = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size, wPreferences.icon_size, scr->w_depth);
 241         XSetForeground(dpy, gc, scr->black_pixel);
 242         XFillRectangle(dpy, pix, gc, 0, 0, wPreferences.icon_size, wPreferences.icon_size);
 243         XSetForeground(dpy, gc, scr->white_pixel);
 244         draw_dot(scr, pix, 4, wPreferences.icon_size - 6, gc);
 245         draw_dot(scr, pix, 9, wPreferences.icon_size - 6, gc);
 246         draw_dot(scr, pix, 14, wPreferences.icon_size - 6, gc);
 247
 248         mask = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size, wPreferences.icon_size, 1);
 249         gcv.foreground = 0;
 250         gcv.graphics_exposures = False;
 251         gc2 = XCreateGC(dpy, mask, GCForeground | GCGraphicsExposures, &gcv);
 252         XFillRectangle(dpy, mask, gc2, 0, 0, wPreferences.icon_size, wPreferences.icon_size);
 253         XSetForeground(dpy, gc2, 1);
 254         XFillRectangle(dpy, mask, gc2, 4, wPreferences.icon_size - 6, 3, 2);
 255         XFillRectangle(dpy, mask, gc2, 9, wPreferences.icon_size - 6, 3, 2);
 256         XFillRectangle(dpy, mask, gc2, 14, wPreferences.icon_size - 6, 3, 2);
 257
 258         XFreeGC(dpy, gc2);
 259
 260         wpix = wPixmapCreate(scr, pix, mask);
 261         wpix->shared = 1;
 262
 263         return wpix;
 264 }
 265
 266 static void allocGCs(WScreen * scr)
 267 {
 268         XGCValues gcv;
 269         XColor color;
 270         int gcm;
 271
 272         scr->stipple_bitmap = XCreateBitmapFromData(dpy, scr->w_win, STIPPLE_DATA, STIPPLE_WIDTH, STIPPLE_HEIGHT);
 273
 274         gcv.stipple = scr->stipple_bitmap;
 275         gcv.foreground = scr->white_pixel;
 276         gcv.fill_style = FillStippled;
 277         gcv.graphics_exposures = False;
 278         gcm = GCForeground | GCStipple | GCFillStyle | GCGraphicsExposures;
 279         scr->stipple_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 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         scr->menu_title_color[0] = WMRetainColor(scr->white);
 301
 302         /* don't retain scr->black here because we may alter its alpha */
 303         scr->mtext_color = WMCreateRGBColor(scr->wmscreen, 0, 0, 0, True);
 304         scr->dtext_color = WMCreateRGBColor(scr->wmscreen, 0, 0, 0, True);
 305
 306         /* frame GC */
 307         wGetColor(scr, DEF_FRAME_COLOR, &color);
 308         gcv.function = GXxor;
 309         /* this will raise the probability of the XORed color being different
 310          * of the original color in PseudoColor when not all color cells are
 311          * initialized */
 312         if (DefaultVisual(dpy, scr->screen)->class == PseudoColor)
 313                 gcv.plane_mask = (1 << (scr->depth - 1)) | 1;
 314         else
 315                 gcv.plane_mask = AllPlanes;
 316         gcv.foreground = color.pixel;
 317         if (gcv.foreground == 0)
 318                 gcv.foreground = 1;
 319         gcv.line_width = DEF_FRAME_THICKNESS;
 320         gcv.subwindow_mode = IncludeInferiors;
 321         gcv.graphics_exposures = False;
 322         scr->frame_gc = XCreateGC(dpy, scr->root_win, GCForeground | GCGraphicsExposures
 323                                   | GCFunction | GCSubwindowMode | GCLineWidth | GCPlaneMask, &gcv);
 324
 325         /* line GC */
 326         gcv.foreground = color.pixel;
 327
 328         if (gcv.foreground == 0)
 329                 /* XOR:ing with a zero is not going to be of much use, so
 330                    in that case, we somewhat arbitrarily xor with 17 instead. */
 331                 gcv.foreground = 17;
 332
 333         gcv.function = GXxor;
 334         gcv.subwindow_mode = IncludeInferiors;
 335         gcv.line_width = 1;
 336         gcv.cap_style = CapRound;
 337         gcv.graphics_exposures = False;
 338         gcm = GCForeground | GCFunction | GCSubwindowMode | GCLineWidth | GCCapStyle | GCGraphicsExposures;
 339         scr->line_gc = XCreateGC(dpy, scr->root_win, gcm, &gcv);
 340
 341         scr->line_pixel = gcv.foreground;
 342
 343         /* copy GC */
 344         gcv.foreground = scr->white_pixel;
 345         gcv.background = scr->black_pixel;
 346         gcv.graphics_exposures = False;
 347         scr->copy_gc = XCreateGC(dpy, scr->w_win, GCForeground | GCBackground | GCGraphicsExposures, &gcv);
 348
 349         /* misc drawing GC */
 350         gcv.graphics_exposures = False;
 351         gcm = GCGraphicsExposures;
 352         scr->draw_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 353
 354         assert(scr->stipple_bitmap != None);
 355
 356         /* mono GC */
 357         scr->mono_gc = XCreateGC(dpy, scr->stipple_bitmap, gcm, &gcv);
 358 }
 359
 360 static void createPixmaps(WScreen * scr)
 361 {
 362         WPixmap *pix;
 363
 364         /* load pixmaps */
 365         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_RADIO_INDICATOR_XBM_DATA,
 366                                        (char *)MENU_RADIO_INDICATOR_XBM_DATA,
 367                                        MENU_RADIO_INDICATOR_XBM_SIZE,
 368                                        MENU_RADIO_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 369         if (pix != NULL)
 370                 pix->shared = 1;
 371         scr->menu_radio_indicator = pix;
 372
 373         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_CHECK_INDICATOR_XBM_DATA,
 374                                        (char *)MENU_CHECK_INDICATOR_XBM_DATA,
 375                                        MENU_CHECK_INDICATOR_XBM_SIZE,
 376                                        MENU_CHECK_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 377         if (pix != NULL)
 378                 pix->shared = 1;
 379         scr->menu_check_indicator = pix;
 380
 381         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_MINI_INDICATOR_XBM_DATA,
 382                                        (char *)MENU_MINI_INDICATOR_XBM_DATA,
 383                                        MENU_MINI_INDICATOR_XBM_SIZE,
 384                                        MENU_MINI_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 385         if (pix != NULL)
 386                 pix->shared = 1;
 387         scr->menu_mini_indicator = pix;
 388
 389         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_HIDE_INDICATOR_XBM_DATA,
 390                                        (char *)MENU_HIDE_INDICATOR_XBM_DATA,
 391                                        MENU_HIDE_INDICATOR_XBM_SIZE,
 392                                        MENU_HIDE_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 393         if (pix != NULL)
 394                 pix->shared = 1;
 395         scr->menu_hide_indicator = pix;
 396
 397         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_SHADE_INDICATOR_XBM_DATA,
 398                                        (char *)MENU_SHADE_INDICATOR_XBM_DATA,
 399                                        MENU_SHADE_INDICATOR_XBM_SIZE,
 400                                        MENU_SHADE_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 401         if (pix != NULL)
 402                 pix->shared = 1;
 403         scr->menu_shade_indicator = pix;
 404
 405         create_logo_image(scr);
 406
 407         scr->dock_dots = make3Dots(scr);
 408
 409         /* titlebar button pixmaps */
 410         allocButtonPixmaps(scr);
 411 }
 412
 413 void create_logo_image(WScreen *scr)
 414 {
 415         RImage *image = get_icon_image(scr, "Logo", "WMPanel", wPreferences.icon_size);
 416
 417         if (!image) {
 418                 wwarning(_("could not load logo image for panels: %s"), RMessageForError(RErrorCode));
 419         } else {
 420                 WMSetApplicationIconImage(scr->wmscreen, image);
 421                 RReleaseImage(image);
 422         }
 423 }
 424
 425 /*
 426  *----------------------------------------------------------------------
 427  * createInternalWindows--
 428  *      Creates some windows used internally by the program. One to
 429  * receive input focus when no other window can get it and another
 430  * to display window geometry information during window resize/move.
 431  *
 432  * Returns:
 433  *      Nothing
 434  *
 435  * Side effects:
 436  *      Windows are created and some colors are allocated for the
 437  * window background.
 438  *----------------------------------------------------------------------
 439  */
 440 static void createInternalWindows(WScreen * scr)
 441 {
 442         int vmask;
 443         XSetWindowAttributes attribs;
 444
 445         /* InputOnly window to get the focus when no other window can get it */
 446         vmask = CWEventMask | CWOverrideRedirect;
 447         attribs.event_mask = KeyPressMask | FocusChangeMask;
 448         attribs.override_redirect = True;
 449         scr->no_focus_win = XCreateWindow(dpy, scr->root_win, -10, -10, 4, 4, 0, 0,
 450                                           InputOnly, CopyFromParent, vmask, &attribs);
 451         XSelectInput(dpy, scr->no_focus_win, KeyPressMask | KeyReleaseMask);
 452         XMapWindow(dpy, scr->no_focus_win);
 453
 454         XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
 455
 456         /* shadow window for dock buttons */
 457         vmask = CWBorderPixel | CWBackPixmap | CWBackPixel | CWCursor | CWSaveUnder | CWOverrideRedirect;
 458         attribs.border_pixel = scr->black_pixel;
 459         attribs.save_under = True;
 460         attribs.override_redirect = True;
 461         attribs.background_pixmap = None;
 462         attribs.background_pixel = scr->white_pixel;
 463         attribs.cursor = wCursor[WCUR_DEFAULT];
 464         vmask |= CWColormap;
 465         attribs.colormap = scr->w_colormap;
 466         scr->dock_shadow =
 467             XCreateWindow(dpy, scr->root_win, 0, 0, wPreferences.icon_size,
 468                           wPreferences.icon_size, 0, scr->w_depth, CopyFromParent, scr->w_visual, vmask, &attribs);
 469
 470         /* workspace name */
 471         vmask = CWBackPixel | CWSaveUnder | CWOverrideRedirect | CWColormap | CWBorderPixel;
 472         attribs.save_under = True;
 473         attribs.override_redirect = True;
 474         attribs.colormap = scr->w_colormap;
 475         attribs.background_pixel = scr->icon_back_texture->normal.pixel;
 476         attribs.border_pixel = 0;       /* do not care */
 477         scr->workspace_name =
 478             XCreateWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, scr->w_depth,
 479                           CopyFromParent, scr->w_visual, vmask, &attribs);
 480 }
 481
 482 /*
 483  *----------------------------------------------------------------------
 484  * wScreenInit--
 485  *      Initializes the window manager for the given screen and
 486  * allocates a WScreen descriptor for it. Many resources are allocated
 487  * for the screen and the root window is setup appropriately.
 488  *
 489  * Returns:
 490  *      The WScreen descriptor for the screen.
 491  *
 492  * Side effects:
 493  *      Many resources are allocated and the IconSize property is
 494  * set on the root window.
 495  *      The program can be aborted if some fatal error occurs.
 496  *
 497  * TODO: User specifiable visual.
 498  *----------------------------------------------------------------------
 499  */
 500 WScreen *wScreenInit(int screen_number)
 501 {
 502         WScreen *scr;
 503         XIconSize icon_size[1];
 504         RContextAttributes rattr;
 505         long event_mask;
 506         XErrorHandler oldHandler;
 507         int i;
 508
 509         scr = wmalloc(sizeof(WScreen));
 510
 511         scr->stacking_list = WMCreateTreeBag();
 512
 513         /* initialize globals */
 514         scr->screen = screen_number;
 515         scr->root_win = RootWindow(dpy, screen_number);
 516         scr->depth = DefaultDepth(dpy, screen_number);
 517         scr->colormap = DefaultColormap(dpy, screen_number);
 518
 519         scr->scr_width = WidthOfScreen(ScreenOfDisplay(dpy, screen_number));
 520         scr->scr_height = HeightOfScreen(ScreenOfDisplay(dpy, screen_number));
 521
 522         wInitXinerama(scr);
 523
 524         scr->usableArea = (WArea *) wmalloc(sizeof(WArea) * wXineramaHeads(scr));
 525         scr->totalUsableArea = (WArea *) wmalloc(sizeof(WArea) * wXineramaHeads(scr));
 526
 527         for (i = 0; i < wXineramaHeads(scr); ++i) {
 528                 WMRect rect = wGetRectForHead(scr, i);
 529                 scr->usableArea[i].x1 = scr->totalUsableArea[i].x1 = rect.pos.x;
 530                 scr->usableArea[i].y1 = scr->totalUsableArea[i].y1 = rect.pos.y;
 531                 scr->usableArea[i].x2 = scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 532                 scr->usableArea[i].y2 = scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 533         }
 534
 535         scr->fakeGroupLeaders = WMCreateArray(16);
 536
 537         CantManageScreen = 0;
 538         oldHandler = XSetErrorHandler((XErrorHandler) alreadyRunningError);
 539
 540         event_mask = EVENT_MASK;
 541
 542         if (wPreferences.disable_root_mouse) {
 543                 event_mask &= ~(ButtonPressMask | ButtonReleaseMask);
 544         }
 545
 546         XSelectInput(dpy, scr->root_win, event_mask);
 547
 548 #ifdef KEEP_XKB_LOCK_STATUS
 549         /* Only GroupLock doesn't work correctly in my system since right-alt
 550          * can change mode while holding it too - ]d
 551          */
 552         if (wXkbSupported) {
 553                 XkbSelectEvents(dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask);
 554         }
 555 #endif                          /* KEEP_XKB_LOCK_STATUS */
 556
 557 #ifdef HAVE_XRANDR
 558         if (has_randr)
 559                 XRRSelectInput(dpy, scr->root_win, RRScreenChangeNotifyMask);
 560 #endif
 561
 562         XSync(dpy, False);
 563         XSetErrorHandler(oldHandler);
 564
 565         if (CantManageScreen) {
 566                 wfree(scr);
 567                 return NULL;
 568         }
 569
 570         XDefineCursor(dpy, scr->root_win, wCursor[WCUR_ROOT]);
 571
 572         /* screen descriptor for raster graphic library */
 573         rattr.flags = RC_RenderMode | RC_ColorsPerChannel | RC_StandardColormap;
 574         rattr.render_mode = wPreferences.no_dithering ? RBestMatchRendering : RDitheredRendering;
 575
 576         /* if the std colormap stuff works ok, this will be ignored */
 577         rattr.colors_per_channel = wPreferences.cmap_size;
 578         if (rattr.colors_per_channel < 2)
 579                 rattr.colors_per_channel = 2;
 580
 581         /* Use standard colormap */
 582         rattr.standard_colormap_mode = RUseStdColormap;
 583
 584         if (getWVisualID(screen_number) >= 0) {
 585                 rattr.flags |= RC_VisualID;
 586                 rattr.visualid = getWVisualID(screen_number);
 587         }
 588
 589         scr->rcontext = RCreateContext(dpy, screen_number, &rattr);
 590
 591         if (!scr->rcontext && RErrorCode == RERR_STDCMAPFAIL) {
 592                 wwarning("%s", RMessageForError(RErrorCode));
 593
 594                 rattr.flags &= ~RC_StandardColormap;
 595                 rattr.standard_colormap_mode = RUseStdColormap;
 596
 597                 scr->rcontext = RCreateContext(dpy, screen_number, &rattr);
 598         }
 599
 600         if (!scr->rcontext) {
 601                 wwarning(_("could not initialize graphics library context: %s"), RMessageForError(RErrorCode));
 602                 wAbort(False);
 603         } else {
 604                 char **formats;
 605                 int i = 0;
 606
 607                 formats = RSupportedFileFormats();
 608                 if (formats) {
 609                         for (i = 0; formats[i] != NULL; i++) {
 610                                 if (strcmp(formats[i], "TIFF") == 0) {
 611                                         scr->flags.supports_tiff = 1;
 612                                         break;
 613                                 }
 614                         }
 615                 }
 616         }
 617
 618         scr->w_win = scr->rcontext->drawable;
 619         scr->w_visual = scr->rcontext->visual;
 620         scr->w_depth = scr->rcontext->depth;
 621         scr->w_colormap = scr->rcontext->cmap;
 622
 623         /* create screen descriptor for WINGs */
 624         scr->wmscreen = WMCreateScreenWithRContext(dpy, screen_number, scr->rcontext);
 625
 626         if (!scr->wmscreen) {
 627                 wfatal(_("could not initialize WINGs widget set"));
 628                 return NULL;
 629         }
 630
 631         scr->black = WMBlackColor(scr->wmscreen);
 632         scr->white = WMWhiteColor(scr->wmscreen);
 633         scr->gray = WMGrayColor(scr->wmscreen);
 634         scr->darkGray = WMDarkGrayColor(scr->wmscreen);
 635
 636         scr->black_pixel = WMColorPixel(scr->black);    /*scr->rcontext->black; */
 637         scr->white_pixel = WMColorPixel(scr->white);    /*scr->rcontext->white; */
 638         scr->light_pixel = WMColorPixel(scr->gray);
 639         scr->dark_pixel = WMColorPixel(scr->darkGray);
 640
 641         /* create GCs with default values */
 642         allocGCs(scr);
 643
 644         /* for our window manager info notice board. Need to
 645          * create before reading the defaults, because it will be used there.
 646          */
 647         scr->info_window = XCreateSimpleWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, 0, 0);
 648
 649         /* read defaults for this screen */
 650         wReadDefaults(scr, WDWindowMaker->dictionary);
 651
 652         {
 653                 XColor xcol;
 654                 /* frame boder color */
 655                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_border_color), &xcol);
 656                 scr->frame_border_pixel = xcol.pixel;
 657                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_selected_border_color), &xcol);
 658                 scr->frame_selected_border_pixel = xcol.pixel;
 659         }
 660
 661         createInternalWindows(scr);
 662
 663         wNETWMInitStuff(scr);
 664
 665         /* create initial workspace */
 666         wWorkspaceNew(scr);
 667
 668         /* create shared pixmaps */
 669         createPixmaps(scr);
 670
 671         /* set icon sizes we can accept from clients */
 672         icon_size[0].min_width = 8;
 673         icon_size[0].min_height = 8;
 674         icon_size[0].max_width = wPreferences.icon_size - 4;
 675         icon_size[0].max_height = wPreferences.icon_size - 4;
 676         icon_size[0].width_inc = 1;
 677         icon_size[0].height_inc = 1;
 678         XSetIconSizes(dpy, scr->root_win, icon_size, 1);
 679
 680         /* setup WindowMaker protocols property in the root window */
 681         PropSetWMakerProtocols(scr->root_win);
 682
 683         /* setup our noticeboard */
 684         XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_NOTICEBOARD,
 685                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 686         XChangeProperty(dpy, scr->root_win, _XA_WINDOWMAKER_NOTICEBOARD,
 687                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 688
 689 #ifdef BALLOON_TEXT
 690         /* initialize balloon text stuff */
 691         wBalloonInitialize(scr);
 692 #endif
 693
 694         scr->info_text_font = WMBoldSystemFontOfSize(scr->wmscreen, 12);
 695
 696         scr->tech_draw_font = XLoadQueryFont(dpy, "-adobe-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*");
 697         if (!scr->tech_draw_font)
 698                 scr->tech_draw_font = XLoadQueryFont(dpy, "fixed");
 699
 700         scr->gview = WCreateGeometryView(scr->wmscreen);
 701         WMRealizeWidget(scr->gview);
 702
 703         wScreenUpdateUsableArea(scr);
 704
 705         return scr;
 706 }
 707
 708 void wScreenUpdateUsableArea(WScreen * scr)
 709 {
 710         /*
 711          * scr->totalUsableArea[] will become the usableArea used for Windowplacement,
 712          * scr->usableArea[] will be used for iconplacement, hence no iconyard nor
 713          * border.
 714          */
 715
 716         WArea area;
 717         int i, dock_head;
 718         unsigned long best_area, tmp_area;
 719         unsigned int size, position;
 720
 721         dock_head = scr->xine_info.primary_head;
 722         best_area = 0;
 723         size = wPreferences.workspace_border_size;
 724         position = wPreferences.workspace_border_position;
 725
 726         if (scr->dock) {
 727                 WMRect rect;
 728                 rect.pos.x = scr->dock->x_pos;
 729                 rect.pos.y = scr->dock->y_pos;
 730                 rect.size.width = wPreferences.icon_size;
 731                 rect.size.height = wPreferences.icon_size;
 732                 dock_head = wGetHeadForRect(scr, rect);
 733         }
 734
 735         for (i = 0; i < wXineramaHeads(scr); ++i) {
 736                 WMRect rect = wGetRectForHead(scr, i);
 737                 scr->totalUsableArea[i].x1 = rect.pos.x;
 738                 scr->totalUsableArea[i].y1 = rect.pos.y;
 739                 scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 740                 scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 741
 742                 if (scr->dock && dock_head == i && (!scr->dock->lowered || wPreferences.no_window_over_dock)) {
 743                         int offset = wPreferences.icon_size + DOCK_EXTRA_SPACE;
 744
 745                         if (scr->dock->on_right_side) {
 746                                 scr->totalUsableArea[i].x2 -= offset;
 747                         } else {
 748                                 scr->totalUsableArea[i].x1 += offset;
 749                         }
 750                 }
 751
 752                 if (wNETWMGetUsableArea(scr, i, &area)) {
 753                         scr->totalUsableArea[i].x1 = WMAX(scr->totalUsableArea[i].x1, area.x1);
 754                         scr->totalUsableArea[i].y1 = WMAX(scr->totalUsableArea[i].y1, area.y1);
 755                         scr->totalUsableArea[i].x2 = WMIN(scr->totalUsableArea[i].x2, area.x2);
 756                         scr->totalUsableArea[i].y2 = WMIN(scr->totalUsableArea[i].y2, area.y2);
 757                 }
 758
 759                 scr->usableArea[i] = scr->totalUsableArea[i];
 760
 761 #if 0
 762                 printf("usableArea[%d]: %d %d %d %d\n", i,
 763                        scr->usableArea[i].x1, scr->usableArea[i].x2, scr->usableArea[i].y1, scr->usableArea[i].y2);
 764 #endif
 765                 if (wPreferences.no_window_over_icons) {
 766                         if (wPreferences.icon_yard & IY_VERT) {
 767                                 if (wPreferences.icon_yard & IY_RIGHT) {
 768                                         scr->totalUsableArea[i].x2 -= wPreferences.icon_size;
 769                                 } else {
 770                                         scr->totalUsableArea[i].x1 += wPreferences.icon_size;
 771                                 }
 772                         } else {
 773                                 if (wPreferences.icon_yard & IY_TOP) {
 774                                         scr->totalUsableArea[i].y1 += wPreferences.icon_size;
 775                                 } else {
 776                                         scr->totalUsableArea[i].y2 -= wPreferences.icon_size;
 777                                 }
 778                         }
 779                 }
 780
 781                 if (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1 < rect.size.width / 2) {
 782                         scr->totalUsableArea[i].x1 = rect.pos.x;
 783                         scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 784                 }
 785
 786                 if (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1 < rect.size.height / 2) {
 787                         scr->totalUsableArea[i].y1 = rect.pos.y;
 788                         scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 789                 }
 790
 791                 tmp_area = (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1) *
 792                     (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1);
 793
 794                 if (tmp_area > best_area) {
 795                         best_area = tmp_area;
 796                         area = scr->totalUsableArea[i];
 797                 }
 798
 799                 if (size > 0 && position != WB_NONE) {
 800                         if (position & WB_LEFTRIGHT) {
 801                                 scr->totalUsableArea[i].x1 += size;
 802                                 scr->totalUsableArea[i].x2 -= size;
 803                         }
 804                         if (position & WB_TOPBOTTOM) {
 805                                 scr->totalUsableArea[i].y1 += size;
 806                                 scr->totalUsableArea[i].y2 -= size;
 807                         }
 808                 }
 809         }
 810
 811         if (wPreferences.auto_arrange_icons)
 812                 wArrangeIcons(scr, True);
 813 }
 814
 815 void wScreenRestoreState(WScreen * scr)
 816 {
 817         WMPropList *state;
 818         char *path;
 819
 820         OpenRootMenu(scr, -10000, -10000, False);
 821         wMenuUnmap(scr->root_menu);
 822
 823         make_keys();
 824
 825         if (wScreenCount == 1) {
 826                 path = wdefaultspathfordomain("WMState");
 827         } else {
 828                 char buf[16];
 829                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 830                 path = wdefaultspathfordomain(buf);
 831         }
 832         scr->session_state = WMReadPropListFromFile(path);
 833         wfree(path);
 834         if (!scr->session_state && wScreenCount > 1) {
 835                 path = wdefaultspathfordomain("WMState");
 836                 scr->session_state = WMReadPropListFromFile(path);
 837                 wfree(path);
 838         }
 839
 840         if (!scr->session_state) {
 841                 scr->session_state = WMCreatePLDictionary(NULL, NULL);
 842         }
 843
 844         if (!wPreferences.flags.nodock) {
 845                 state = WMGetFromPLDictionary(scr->session_state, dDock);
 846                 scr->dock = wDockRestoreState(scr, state, WM_DOCK);
 847                 /* If clip_merged_in_dock, setting scr->clip_icon is done by
 848                  * wDockRestoreState()->wDockCreate()->mainIconCreate() */
 849         }
 850
 851         if (!wPreferences.flags.noclip) {
 852                 state = WMGetFromPLDictionary(scr->session_state, dClip);
 853                 scr->clip_icon = wClipRestoreState(scr, state);
 854         }
 855
 856         if (!wPreferences.flags.nodrawer) {
 857                 wDrawersRestoreState(scr);
 858         }
 859
 860         wWorkspaceRestoreState(scr);
 861
 862         wScreenUpdateUsableArea(scr);
 863 }
 864
 865 void wScreenSaveState(WScreen * scr)
 866 {
 867         WWindow *wwin;
 868         char *str;
 869         WMPropList *old_state, *foo;
 870
 871         make_keys();
 872
 873         /* save state of windows */
 874         wwin = scr->focused_window;
 875         while (wwin) {
 876                 wWindowSaveState(wwin);
 877                 wwin = wwin->prev;
 878         }
 879
 880         if (wPreferences.flags.noupdates)
 881                 return;
 882
 883         old_state = scr->session_state;
 884         scr->session_state = WMCreatePLDictionary(NULL, NULL);
 885
 886         WMPLSetCaseSensitive(True);
 887
 888         /* save dock state to file */
 889         if (!wPreferences.flags.nodock) {
 890                 wDockSaveState(scr, old_state);
 891         } else {
 892                 if ((foo = WMGetFromPLDictionary(old_state, dDock)) != NULL) {
 893                         WMPutInPLDictionary(scr->session_state, dDock, foo);
 894                 }
 895         }
 896         if (!wPreferences.flags.noclip) {
 897                 wClipSaveState(scr);
 898         } else {
 899                 if ((foo = WMGetFromPLDictionary(old_state, dClip)) != NULL) {
 900                         WMPutInPLDictionary(scr->session_state, dClip, foo);
 901                 }
 902         }
 903
 904         wWorkspaceSaveState(scr, old_state);
 905
 906         if (!wPreferences.flags.nodrawer) {
 907                 wDrawersSaveState(scr);
 908         } else {
 909                 if ((foo = WMGetFromPLDictionary(old_state, dDrawers)) != NULL) {
 910                         WMPutInPLDictionary(scr->session_state, dDrawers, foo);
 911                 }
 912         }
 913
 914
 915         if (wPreferences.save_session_on_exit) {
 916                 wSessionSaveState(scr);
 917         } else {
 918                 if ((foo = WMGetFromPLDictionary(old_state, dApplications)) != NULL) {
 919                         WMPutInPLDictionary(scr->session_state, dApplications, foo);
 920                 }
 921                 if ((foo = WMGetFromPLDictionary(old_state, dWorkspace)) != NULL) {
 922                         WMPutInPLDictionary(scr->session_state, dWorkspace, foo);
 923                 }
 924         }
 925
 926         /* clean up */
 927         WMPLSetCaseSensitive(False);
 928
 929         wMenuSaveState(scr);
 930
 931         if (wScreenCount == 1) {
 932                 str = wdefaultspathfordomain("WMState");
 933         } else {
 934                 char buf[16];
 935                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 936                 str = wdefaultspathfordomain(buf);
 937         }
 938         if (!WMWritePropListToFile(scr->session_state, str)) {
 939                 werror(_("could not save session state in %s"), str);
 940         }
 941         wfree(str);
 942         WMReleasePropList(old_state);
 943 }
 944
 945 int wScreenBringInside(WScreen * scr, int *x, int *y, int width, int height)
 946 {
 947         int moved = 0;
 948         int tol_w, tol_h;
 949         /*
 950          * With respect to the head that contains most of the window.
 951          */
 952         int sx1, sy1, sx2, sy2;
 953
 954         WMRect rect;
 955         int head, flags;
 956
 957         rect.pos.x = *x;
 958         rect.pos.y = *y;
 959         rect.size.width = width;
 960         rect.size.height = height;
 961
 962         head = wGetRectPlacementInfo(scr, rect, &flags);
 963         rect = wGetRectForHead(scr, head);
 964
 965         sx1 = rect.pos.x;
 966         sy1 = rect.pos.y;
 967         sx2 = sx1 + rect.size.width;
 968         sy2 = sy1 + rect.size.height;
 969
 970 #if 0                           /* NOTE: gives funky group movement */
 971         if (flags & XFLAG_MULTIPLE) {
 972                 /*
 973                  * since we span multiple heads, pull window totaly inside
 974                  */
 975                 if (*x < sx1)
 976                         *x = sx1, moved = 1;
 977                 else if (*x + width > sx2)
 978                         *x = sx2 - width, moved = 1;
 979
 980                 if (*y < sy1)
 981                         *y = sy1, moved = 1;
 982                 else if (*y + height > sy2)
 983                         *y = sy2 - height, moved = 1;
 984
 985                 return moved;
 986         }
 987 #endif
 988
 989         if (width > 20)
 990                 tol_w = width / 2;
 991         else
 992                 tol_w = 20;
 993
 994         if (height > 20)
 995                 tol_h = height / 2;
 996         else
 997                 tol_h = 20;
 998
 999         if (*x + width < sx1 + 10)
1000                 *x = sx1 - tol_w, moved = 1;
1001         else if (*x >= sx2 - 10)
1002                 *x = sx2 - tol_w - 1, moved = 1;
1003
1004         if (*y < sy1 - height + 10)
1005                 *y = sy1 - tol_h, moved = 1;
1006         else if (*y >= sy2 - 10)
1007                 *y = sy2 - tol_h - 1, moved = 1;
1008
1009         return moved;
1010 }
1011
1012 int wScreenKeepInside(WScreen * scr, int *x, int *y, int width, int height)
1013 {
1014         int moved = 0;
1015         int sx1, sy1, sx2, sy2;
1016         WMRect rect;
1017         int head;
1018
1019         rect.pos.x = *x;
1020         rect.pos.y = *y;
1021         rect.size.width = width;
1022         rect.size.height = height;
1023
1024         head = wGetHeadForRect(scr, rect);
1025         rect = wGetRectForHead(scr, head);
1026
1027         sx1 = rect.pos.x;
1028         sy1 = rect.pos.y;
1029         sx2 = sx1 + rect.size.width;
1030         sy2 = sy1 + rect.size.height;
1031
1032         if (*x < sx1)
1033                 *x = sx1, moved = 1;
1034         else if (*x + width > sx2)
1035                 *x = sx2 - width, moved = 1;
1036
1037         if (*y < sy1)
1038                 *y = sy1, moved = 1;
1039         else if (*y + height > sy2)
1040                 *y = sy2 - height, moved = 1;
1041
1042         return moved;
1043 }