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 "window.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 int wScreenCount;
  74
  75 #ifdef KEEP_XKB_LOCK_STATUS
  76 extern int wXkbSupported;
  77 #endif
  78
  79 #ifdef HAVE_XRANDR
  80 Bool has_randr;
  81 int randr_event_base;
  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 = wPreferences.cursor[WCUR_NORMAL];
 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, wPreferences.cursor[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         scr->w_win = scr->rcontext->drawable;
 601         scr->w_visual = scr->rcontext->visual;
 602         scr->w_depth = scr->rcontext->depth;
 603         scr->w_colormap = scr->rcontext->cmap;
 604
 605         /* create screen descriptor for WINGs */
 606         scr->wmscreen = WMCreateScreenWithRContext(dpy, screen_number, scr->rcontext);
 607
 608         if (!scr->wmscreen) {
 609                 wfatal(_("could not initialize WINGs widget set"));
 610                 return NULL;
 611         }
 612
 613         scr->black = WMBlackColor(scr->wmscreen);
 614         scr->white = WMWhiteColor(scr->wmscreen);
 615         scr->gray = WMGrayColor(scr->wmscreen);
 616         scr->darkGray = WMDarkGrayColor(scr->wmscreen);
 617
 618         scr->black_pixel = WMColorPixel(scr->black);    /*scr->rcontext->black; */
 619         scr->white_pixel = WMColorPixel(scr->white);    /*scr->rcontext->white; */
 620         scr->light_pixel = WMColorPixel(scr->gray);
 621         scr->dark_pixel = WMColorPixel(scr->darkGray);
 622
 623         /* create GCs with default values */
 624         allocGCs(scr);
 625
 626         /* for our window manager info notice board. Need to
 627          * create before reading the defaults, because it will be used there.
 628          */
 629         scr->info_window = XCreateSimpleWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, 0, 0);
 630
 631         /* read defaults for this screen */
 632         wReadDefaults(scr, WDWindowMaker->dictionary);
 633
 634         {
 635                 XColor xcol;
 636                 /* frame boder color */
 637                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_border_color), &xcol);
 638                 scr->frame_border_pixel = xcol.pixel;
 639                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_selected_border_color), &xcol);
 640                 scr->frame_selected_border_pixel = xcol.pixel;
 641         }
 642
 643         createInternalWindows(scr);
 644
 645         wNETWMInitStuff(scr);
 646
 647         /* create initial workspace */
 648         wWorkspaceNew(scr);
 649
 650         /* create shared pixmaps */
 651         createPixmaps(scr);
 652
 653         /* set icon sizes we can accept from clients */
 654         icon_size[0].min_width = 8;
 655         icon_size[0].min_height = 8;
 656         icon_size[0].max_width = wPreferences.icon_size - 4;
 657         icon_size[0].max_height = wPreferences.icon_size - 4;
 658         icon_size[0].width_inc = 1;
 659         icon_size[0].height_inc = 1;
 660         XSetIconSizes(dpy, scr->root_win, icon_size, 1);
 661
 662         /* setup WindowMaker protocols property in the root window */
 663         PropSetWMakerProtocols(scr->root_win);
 664
 665         /* setup our noticeboard */
 666         XChangeProperty(dpy, scr->info_window, w_global.atom.wmaker.noticeboard,
 667                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 668         XChangeProperty(dpy, scr->root_win, w_global.atom.wmaker.noticeboard,
 669                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 670
 671 #ifdef BALLOON_TEXT
 672         /* initialize balloon text stuff */
 673         wBalloonInitialize(scr);
 674 #endif
 675
 676         scr->info_text_font = WMBoldSystemFontOfSize(scr->wmscreen, 12);
 677
 678         scr->tech_draw_font = XLoadQueryFont(dpy, "-adobe-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*");
 679         if (!scr->tech_draw_font)
 680                 scr->tech_draw_font = XLoadQueryFont(dpy, "fixed");
 681
 682         scr->gview = WCreateGeometryView(scr->wmscreen);
 683         WMRealizeWidget(scr->gview);
 684
 685         wScreenUpdateUsableArea(scr);
 686
 687         return scr;
 688 }
 689
 690 void wScreenUpdateUsableArea(WScreen * scr)
 691 {
 692         /*
 693          * scr->totalUsableArea[] will become the usableArea used for Windowplacement,
 694          * scr->usableArea[] will be used for iconplacement, hence no iconyard nor
 695          * border.
 696          */
 697
 698         WArea area;
 699         int i, dock_head;
 700         unsigned long best_area, tmp_area;
 701         unsigned int size, position;
 702
 703         dock_head = scr->xine_info.primary_head;
 704         best_area = 0;
 705         size = wPreferences.workspace_border_size;
 706         position = wPreferences.workspace_border_position;
 707
 708         if (scr->dock) {
 709                 WMRect rect;
 710                 rect.pos.x = scr->dock->x_pos;
 711                 rect.pos.y = scr->dock->y_pos;
 712                 rect.size.width = wPreferences.icon_size;
 713                 rect.size.height = wPreferences.icon_size;
 714                 dock_head = wGetHeadForRect(scr, rect);
 715         }
 716
 717         for (i = 0; i < wXineramaHeads(scr); ++i) {
 718                 WMRect rect = wGetRectForHead(scr, i);
 719                 scr->totalUsableArea[i].x1 = rect.pos.x;
 720                 scr->totalUsableArea[i].y1 = rect.pos.y;
 721                 scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 722                 scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 723
 724                 if (scr->dock && dock_head == i && (!scr->dock->lowered || wPreferences.no_window_over_dock)) {
 725                         int offset = wPreferences.icon_size + DOCK_EXTRA_SPACE;
 726
 727                         if (scr->dock->on_right_side) {
 728                                 scr->totalUsableArea[i].x2 -= offset;
 729                         } else {
 730                                 scr->totalUsableArea[i].x1 += offset;
 731                         }
 732                 }
 733
 734                 if (wNETWMGetUsableArea(scr, i, &area)) {
 735                         scr->totalUsableArea[i].x1 = WMAX(scr->totalUsableArea[i].x1, area.x1);
 736                         scr->totalUsableArea[i].y1 = WMAX(scr->totalUsableArea[i].y1, area.y1);
 737                         scr->totalUsableArea[i].x2 = WMIN(scr->totalUsableArea[i].x2, area.x2);
 738                         scr->totalUsableArea[i].y2 = WMIN(scr->totalUsableArea[i].y2, area.y2);
 739                 }
 740
 741                 scr->usableArea[i] = scr->totalUsableArea[i];
 742
 743 #if 0
 744                 printf("usableArea[%d]: %d %d %d %d\n", i,
 745                        scr->usableArea[i].x1, scr->usableArea[i].x2, scr->usableArea[i].y1, scr->usableArea[i].y2);
 746 #endif
 747                 if (wPreferences.no_window_over_icons) {
 748                         if (wPreferences.icon_yard & IY_VERT) {
 749                                 if (wPreferences.icon_yard & IY_RIGHT) {
 750                                         scr->totalUsableArea[i].x2 -= wPreferences.icon_size;
 751                                 } else {
 752                                         scr->totalUsableArea[i].x1 += wPreferences.icon_size;
 753                                 }
 754                         } else {
 755                                 if (wPreferences.icon_yard & IY_TOP) {
 756                                         scr->totalUsableArea[i].y1 += wPreferences.icon_size;
 757                                 } else {
 758                                         scr->totalUsableArea[i].y2 -= wPreferences.icon_size;
 759                                 }
 760                         }
 761                 }
 762
 763                 if (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1 < rect.size.width / 2) {
 764                         scr->totalUsableArea[i].x1 = rect.pos.x;
 765                         scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 766                 }
 767
 768                 if (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1 < rect.size.height / 2) {
 769                         scr->totalUsableArea[i].y1 = rect.pos.y;
 770                         scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 771                 }
 772
 773                 tmp_area = (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1) *
 774                     (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1);
 775
 776                 if (tmp_area > best_area) {
 777                         best_area = tmp_area;
 778                         area = scr->totalUsableArea[i];
 779                 }
 780
 781                 if (size > 0 && position != WB_NONE) {
 782                         if (position & WB_LEFTRIGHT) {
 783                                 scr->totalUsableArea[i].x1 += size;
 784                                 scr->totalUsableArea[i].x2 -= size;
 785                         }
 786                         if (position & WB_TOPBOTTOM) {
 787                                 scr->totalUsableArea[i].y1 += size;
 788                                 scr->totalUsableArea[i].y2 -= size;
 789                         }
 790                 }
 791         }
 792
 793         if (wPreferences.auto_arrange_icons)
 794                 wArrangeIcons(scr, True);
 795 }
 796
 797 void wScreenRestoreState(WScreen * scr)
 798 {
 799         WMPropList *state;
 800         char *path;
 801
 802         OpenRootMenu(scr, -10000, -10000, False);
 803         wMenuUnmap(scr->root_menu);
 804
 805         make_keys();
 806
 807         if (wScreenCount == 1) {
 808                 path = wdefaultspathfordomain("WMState");
 809         } else {
 810                 char buf[16];
 811                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 812                 path = wdefaultspathfordomain(buf);
 813         }
 814         scr->session_state = WMReadPropListFromFile(path);
 815         wfree(path);
 816         if (!scr->session_state && wScreenCount > 1) {
 817                 path = wdefaultspathfordomain("WMState");
 818                 scr->session_state = WMReadPropListFromFile(path);
 819                 wfree(path);
 820         }
 821
 822         if (!scr->session_state) {
 823                 scr->session_state = WMCreatePLDictionary(NULL, NULL);
 824         }
 825
 826         if (!wPreferences.flags.nodock) {
 827                 state = WMGetFromPLDictionary(scr->session_state, dDock);
 828                 scr->dock = wDockRestoreState(scr, state, WM_DOCK);
 829                 /* If clip_merged_in_dock, setting scr->clip_icon is done by
 830                  * wDockRestoreState()->wDockCreate()->mainIconCreate() */
 831         }
 832
 833         if (!wPreferences.flags.noclip) {
 834                 state = WMGetFromPLDictionary(scr->session_state, dClip);
 835                 scr->clip_icon = wClipRestoreState(scr, state);
 836         }
 837
 838         if (!wPreferences.flags.nodrawer) {
 839                 wDrawersRestoreState(scr);
 840         }
 841
 842         wWorkspaceRestoreState(scr);
 843
 844         wScreenUpdateUsableArea(scr);
 845 }
 846
 847 void wScreenSaveState(WScreen * scr)
 848 {
 849         WWindow *wwin;
 850         char *str;
 851         WMPropList *old_state, *foo;
 852
 853         make_keys();
 854
 855         /* save state of windows */
 856         wwin = scr->focused_window;
 857         while (wwin) {
 858                 wWindowSaveState(wwin);
 859                 wwin = wwin->prev;
 860         }
 861
 862         if (wPreferences.flags.noupdates)
 863                 return;
 864
 865         old_state = scr->session_state;
 866         scr->session_state = WMCreatePLDictionary(NULL, NULL);
 867
 868         WMPLSetCaseSensitive(True);
 869
 870         /* save dock state to file */
 871         if (!wPreferences.flags.nodock) {
 872                 wDockSaveState(scr, old_state);
 873         } else {
 874                 if ((foo = WMGetFromPLDictionary(old_state, dDock)) != NULL) {
 875                         WMPutInPLDictionary(scr->session_state, dDock, foo);
 876                 }
 877         }
 878         if (!wPreferences.flags.noclip) {
 879                 wClipSaveState(scr);
 880         } else {
 881                 if ((foo = WMGetFromPLDictionary(old_state, dClip)) != NULL) {
 882                         WMPutInPLDictionary(scr->session_state, dClip, foo);
 883                 }
 884         }
 885
 886         wWorkspaceSaveState(scr, old_state);
 887
 888         if (!wPreferences.flags.nodrawer) {
 889                 wDrawersSaveState(scr);
 890         } else {
 891                 if ((foo = WMGetFromPLDictionary(old_state, dDrawers)) != NULL) {
 892                         WMPutInPLDictionary(scr->session_state, dDrawers, foo);
 893                 }
 894         }
 895
 896
 897         if (wPreferences.save_session_on_exit) {
 898                 wSessionSaveState(scr);
 899         } else {
 900                 if ((foo = WMGetFromPLDictionary(old_state, dApplications)) != NULL) {
 901                         WMPutInPLDictionary(scr->session_state, dApplications, foo);
 902                 }
 903                 if ((foo = WMGetFromPLDictionary(old_state, dWorkspace)) != NULL) {
 904                         WMPutInPLDictionary(scr->session_state, dWorkspace, foo);
 905                 }
 906         }
 907
 908         /* clean up */
 909         WMPLSetCaseSensitive(False);
 910
 911         wMenuSaveState(scr);
 912
 913         if (wScreenCount == 1) {
 914                 str = wdefaultspathfordomain("WMState");
 915         } else {
 916                 char buf[16];
 917                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 918                 str = wdefaultspathfordomain(buf);
 919         }
 920         if (!WMWritePropListToFile(scr->session_state, str)) {
 921                 werror(_("could not save session state in %s"), str);
 922         }
 923         wfree(str);
 924         WMReleasePropList(old_state);
 925 }
 926
 927 int wScreenBringInside(WScreen * scr, int *x, int *y, int width, int height)
 928 {
 929         int moved = 0;
 930         int tol_w, tol_h;
 931         /*
 932          * With respect to the head that contains most of the window.
 933          */
 934         int sx1, sy1, sx2, sy2;
 935
 936         WMRect rect;
 937         int head, flags;
 938
 939         rect.pos.x = *x;
 940         rect.pos.y = *y;
 941         rect.size.width = width;
 942         rect.size.height = height;
 943
 944         head = wGetRectPlacementInfo(scr, rect, &flags);
 945         rect = wGetRectForHead(scr, head);
 946
 947         sx1 = rect.pos.x;
 948         sy1 = rect.pos.y;
 949         sx2 = sx1 + rect.size.width;
 950         sy2 = sy1 + rect.size.height;
 951
 952 #if 0                           /* NOTE: gives funky group movement */
 953         if (flags & XFLAG_MULTIPLE) {
 954                 /*
 955                  * since we span multiple heads, pull window totaly inside
 956                  */
 957                 if (*x < sx1)
 958                         *x = sx1, moved = 1;
 959                 else if (*x + width > sx2)
 960                         *x = sx2 - width, moved = 1;
 961
 962                 if (*y < sy1)
 963                         *y = sy1, moved = 1;
 964                 else if (*y + height > sy2)
 965                         *y = sy2 - height, moved = 1;
 966
 967                 return moved;
 968         }
 969 #endif
 970
 971         if (width > 20)
 972                 tol_w = width / 2;
 973         else
 974                 tol_w = 20;
 975
 976         if (height > 20)
 977                 tol_h = height / 2;
 978         else
 979                 tol_h = 20;
 980
 981         if (*x + width < sx1 + 10)
 982                 *x = sx1 - tol_w, moved = 1;
 983         else if (*x >= sx2 - 10)
 984                 *x = sx2 - tol_w - 1, moved = 1;
 985
 986         if (*y < sy1 - height + 10)
 987                 *y = sy1 - tol_h, moved = 1;
 988         else if (*y >= sy2 - 10)
 989                 *y = sy2 - tol_h - 1, moved = 1;
 990
 991         return moved;
 992 }
 993
 994 int wScreenKeepInside(WScreen * scr, int *x, int *y, int width, int height)
 995 {
 996         int moved = 0;
 997         int sx1, sy1, sx2, sy2;
 998         WMRect rect;
 999         int head;
1000
1001         rect.pos.x = *x;
1002         rect.pos.y = *y;
1003         rect.size.width = width;
1004         rect.size.height = height;
1005
1006         head = wGetHeadForRect(scr, rect);
1007         rect = wGetRectForHead(scr, head);
1008
1009         sx1 = rect.pos.x;
1010         sy1 = rect.pos.y;
1011         sx2 = sx1 + rect.size.width;
1012         sy2 = sy1 + rect.size.height;
1013
1014         if (*x < sx1)
1015                 *x = sx1, moved = 1;
1016         else if (*x + width > sx2)
1017                 *x = sx2 - width, moved = 1;
1018
1019         if (*y < sy1)
1020                 *y = sy1, moved = 1;
1021         else if (*y + height > sy2)
1022                 *y = sy2 - height, moved = 1;
1023
1024         return moved;
1025 }