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 #ifdef HAVE_XRANDR
  85 Bool has_randr;
  86 int randr_event_base;
  87 #endif
  88
  89 extern WDDomain *WDWindowMaker;
  90
  91 /**** Local ****/
  92 #define STIPPLE_WIDTH 2
  93 #define STIPPLE_HEIGHT 2
  94 static char STIPPLE_DATA[] = { 0x02, 0x01 };
  95
  96 static int CantManageScreen = 0;
  97
  98 static WMPropList *dApplications = NULL;
  99 static WMPropList *dWorkspace;
 100 static WMPropList *dDock;
 101 static WMPropList *dClip;
 102 static WMPropList *dDrawers = NULL;
 103
 104 static void make_keys(void)
 105 {
 106         if (dApplications != NULL)
 107                 return;
 108
 109         dApplications = WMCreatePLString("Applications");
 110         dWorkspace = WMCreatePLString("Workspace");
 111         dDock = WMCreatePLString("Dock");
 112         dClip = WMCreatePLString("Clip");
 113         dDrawers = WMCreatePLString("Drawers");
 114 }
 115
 116 /*
 117  *----------------------------------------------------------------------
 118  * alreadyRunningError--
 119  *      X error handler used to catch errors when trying to do
 120  * XSelectInput() on the root window. These errors probably mean that
 121  * there already is some other window manager running.
 122  *
 123  * Returns:
 124  *      Nothing, unless something really evil happens...
 125  *
 126  * Side effects:
 127  *      CantManageScreen is set to 1;
 128  *----------------------------------------------------------------------
 129  */
 130 static int alreadyRunningError(Display * dpy, XErrorEvent * error)
 131 {
 132         CantManageScreen = 1;
 133         return -1;
 134 }
 135
 136 /*
 137  *----------------------------------------------------------------------
 138  * allocButtonPixmaps--
 139  *      Allocate pixmaps used on window operation buttons (those in the
 140  * titlebar). The pixmaps are linked to the program. If XPM is supported
 141  * XPM pixmaps are used otherwise, equivalent bitmaps are used.
 142  *
 143  * Returns:
 144  *      Nothing
 145  *
 146  * Side effects:
 147  *      Allocates shared pixmaps for the screen. These pixmaps should
 148  * not be freed by anybody.
 149  *----------------------------------------------------------------------
 150  */
 151 static void allocButtonPixmaps(WScreen * scr)
 152 {
 153         WPixmap *pix;
 154
 155         /* create predefined pixmaps */
 156         if (wPreferences.new_style == TS_NEXT) {
 157                 pix = wPixmapCreateFromXPMData(scr, NEXT_CLOSE_XPM);
 158         } else {
 159                 pix = wPixmapCreateFromXPMData(scr, PRED_CLOSE_XPM);
 160         }
 161         if (pix)
 162                 pix->shared = 1;
 163         scr->b_pixmaps[WBUT_CLOSE] = pix;
 164
 165         if (wPreferences.new_style == TS_NEXT) {
 166                 pix = wPixmapCreateFromXPMData(scr, NEXT_BROKEN_CLOSE_XPM);
 167         } else {
 168                 pix = wPixmapCreateFromXPMData(scr, PRED_BROKEN_CLOSE_XPM);
 169         }
 170         if (pix)
 171                 pix->shared = 1;
 172         scr->b_pixmaps[WBUT_BROKENCLOSE] = pix;
 173
 174         if (wPreferences.new_style == TS_NEXT) {
 175                 pix = wPixmapCreateFromXPMData(scr, NEXT_ICONIFY_XPM);
 176         } else {
 177                 pix = wPixmapCreateFromXPMData(scr, PRED_ICONIFY_XPM);
 178         }
 179         if (pix)
 180                 pix->shared = 1;
 181         scr->b_pixmaps[WBUT_ICONIFY] = pix;
 182 #ifdef XKB_BUTTON_HINT
 183         if (wPreferences.new_style == TS_NEXT) {
 184                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP1_XPM);
 185         } else {
 186                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP1_XPM);
 187         }
 188         if (pix)
 189                 pix->shared = 1;
 190         scr->b_pixmaps[WBUT_XKBGROUP1] = pix;
 191         if (wPreferences.new_style == TS_NEXT) {
 192                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP2_XPM);
 193         } else {
 194                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP2_XPM);
 195         }
 196         if (pix)
 197                 pix->shared = 1;
 198         scr->b_pixmaps[WBUT_XKBGROUP2] = pix;
 199         if (wPreferences.new_style == TS_NEXT) {
 200                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP3_XPM);
 201         } else {
 202                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP3_XPM);
 203         }
 204         if (pix)
 205                 pix->shared = 1;
 206         scr->b_pixmaps[WBUT_XKBGROUP3] = pix;
 207         if (wPreferences.new_style == TS_NEXT) {
 208                 pix = wPixmapCreateFromXPMData(scr, NEXT_XKBGROUP4_XPM);
 209         } else {
 210                 pix = wPixmapCreateFromXPMData(scr, PRED_XKBGROUP4_XPM);
 211         }
 212         if (pix)
 213                 pix->shared = 1;
 214         scr->b_pixmaps[WBUT_XKBGROUP4] = pix;
 215 #endif
 216
 217         if (wPreferences.new_style == TS_NEXT) {
 218                 pix = wPixmapCreateFromXPMData(scr, NEXT_KILL_XPM);
 219         } else {
 220                 pix = wPixmapCreateFromXPMData(scr, PRED_KILL_XPM);
 221         }
 222         if (pix)
 223                 pix->shared = 1;
 224         scr->b_pixmaps[WBUT_KILL] = pix;
 225 }
 226
 227 static void draw_dot(WScreen * scr, Drawable d, int x, int y, GC gc)
 228 {
 229         XSetForeground(dpy, gc, scr->black_pixel);
 230         XDrawLine(dpy, d, gc, x, y, x + 1, y);
 231         XDrawPoint(dpy, d, gc, x, y + 1);
 232         XSetForeground(dpy, gc, scr->white_pixel);
 233         XDrawLine(dpy, d, gc, x + 2, y, x + 2, y + 1);
 234         XDrawPoint(dpy, d, gc, x + 1, y + 1);
 235 }
 236
 237 static WPixmap *make3Dots(WScreen * scr)
 238 {
 239         WPixmap *wpix;
 240         GC gc2, gc;
 241         XGCValues gcv;
 242         Pixmap pix, mask;
 243
 244         gc = scr->copy_gc;
 245         pix = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size, wPreferences.icon_size, scr->w_depth);
 246         XSetForeground(dpy, gc, scr->black_pixel);
 247         XFillRectangle(dpy, pix, gc, 0, 0, wPreferences.icon_size, wPreferences.icon_size);
 248         XSetForeground(dpy, gc, scr->white_pixel);
 249         draw_dot(scr, pix, 4, wPreferences.icon_size - 6, gc);
 250         draw_dot(scr, pix, 9, wPreferences.icon_size - 6, gc);
 251         draw_dot(scr, pix, 14, wPreferences.icon_size - 6, gc);
 252
 253         mask = XCreatePixmap(dpy, scr->w_win, wPreferences.icon_size, wPreferences.icon_size, 1);
 254         gcv.foreground = 0;
 255         gcv.graphics_exposures = False;
 256         gc2 = XCreateGC(dpy, mask, GCForeground | GCGraphicsExposures, &gcv);
 257         XFillRectangle(dpy, mask, gc2, 0, 0, wPreferences.icon_size, wPreferences.icon_size);
 258         XSetForeground(dpy, gc2, 1);
 259         XFillRectangle(dpy, mask, gc2, 4, wPreferences.icon_size - 6, 3, 2);
 260         XFillRectangle(dpy, mask, gc2, 9, wPreferences.icon_size - 6, 3, 2);
 261         XFillRectangle(dpy, mask, gc2, 14, wPreferences.icon_size - 6, 3, 2);
 262
 263         XFreeGC(dpy, gc2);
 264
 265         wpix = wPixmapCreate(scr, pix, mask);
 266         wpix->shared = 1;
 267
 268         return wpix;
 269 }
 270
 271 static void allocGCs(WScreen * scr)
 272 {
 273         XGCValues gcv;
 274         XColor color;
 275         int gcm;
 276
 277         scr->stipple_bitmap = XCreateBitmapFromData(dpy, scr->w_win, STIPPLE_DATA, STIPPLE_WIDTH, STIPPLE_HEIGHT);
 278
 279         gcv.stipple = scr->stipple_bitmap;
 280         gcv.foreground = scr->white_pixel;
 281         gcv.fill_style = FillStippled;
 282         gcv.graphics_exposures = False;
 283         gcm = GCForeground | GCStipple | GCFillStyle | GCGraphicsExposures;
 284         scr->stipple_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 285
 286         /* selected icon border GCs */
 287         gcv.function = GXcopy;
 288         gcv.foreground = scr->white_pixel;
 289         gcv.background = scr->black_pixel;
 290         gcv.line_width = 1;
 291         gcv.line_style = LineDoubleDash;
 292         gcv.fill_style = FillSolid;
 293         gcv.dash_offset = 0;
 294         gcv.dashes = 4;
 295         gcv.graphics_exposures = False;
 296
 297         gcm = GCFunction | GCGraphicsExposures;
 298         gcm |= GCForeground | GCBackground;
 299         gcm |= GCLineWidth | GCLineStyle;
 300         gcm |= GCFillStyle;
 301         gcm |= GCDashOffset | GCDashList;
 302
 303         scr->icon_select_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 304
 305         scr->menu_title_color[0] = WMRetainColor(scr->white);
 306
 307         /* don't retain scr->black here because we may alter its alpha */
 308         scr->mtext_color = WMCreateRGBColor(scr->wmscreen, 0, 0, 0, True);
 309         scr->dtext_color = WMCreateRGBColor(scr->wmscreen, 0, 0, 0, True);
 310
 311         /* frame GC */
 312         wGetColor(scr, DEF_FRAME_COLOR, &color);
 313         gcv.function = GXxor;
 314         /* this will raise the probability of the XORed color being different
 315          * of the original color in PseudoColor when not all color cells are
 316          * initialized */
 317         if (DefaultVisual(dpy, scr->screen)->class == PseudoColor)
 318                 gcv.plane_mask = (1 << (scr->depth - 1)) | 1;
 319         else
 320                 gcv.plane_mask = AllPlanes;
 321         gcv.foreground = color.pixel;
 322         if (gcv.foreground == 0)
 323                 gcv.foreground = 1;
 324         gcv.line_width = DEF_FRAME_THICKNESS;
 325         gcv.subwindow_mode = IncludeInferiors;
 326         gcv.graphics_exposures = False;
 327         scr->frame_gc = XCreateGC(dpy, scr->root_win, GCForeground | GCGraphicsExposures
 328                                   | GCFunction | GCSubwindowMode | GCLineWidth | GCPlaneMask, &gcv);
 329
 330         /* line GC */
 331         gcv.foreground = color.pixel;
 332
 333         if (gcv.foreground == 0)
 334                 /* XOR:ing with a zero is not going to be of much use, so
 335                    in that case, we somewhat arbitrarily xor with 17 instead. */
 336                 gcv.foreground = 17;
 337
 338         gcv.function = GXxor;
 339         gcv.subwindow_mode = IncludeInferiors;
 340         gcv.line_width = 1;
 341         gcv.cap_style = CapRound;
 342         gcv.graphics_exposures = False;
 343         gcm = GCForeground | GCFunction | GCSubwindowMode | GCLineWidth | GCCapStyle | GCGraphicsExposures;
 344         scr->line_gc = XCreateGC(dpy, scr->root_win, gcm, &gcv);
 345
 346         scr->line_pixel = gcv.foreground;
 347
 348         /* copy GC */
 349         gcv.foreground = scr->white_pixel;
 350         gcv.background = scr->black_pixel;
 351         gcv.graphics_exposures = False;
 352         scr->copy_gc = XCreateGC(dpy, scr->w_win, GCForeground | GCBackground | GCGraphicsExposures, &gcv);
 353
 354         /* misc drawing GC */
 355         gcv.graphics_exposures = False;
 356         gcm = GCGraphicsExposures;
 357         scr->draw_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
 358
 359         assert(scr->stipple_bitmap != None);
 360
 361         /* mono GC */
 362         scr->mono_gc = XCreateGC(dpy, scr->stipple_bitmap, gcm, &gcv);
 363 }
 364
 365 static void createPixmaps(WScreen * scr)
 366 {
 367         WPixmap *pix;
 368
 369         /* load pixmaps */
 370         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_RADIO_INDICATOR_XBM_DATA,
 371                                        (char *)MENU_RADIO_INDICATOR_XBM_DATA,
 372                                        MENU_RADIO_INDICATOR_XBM_SIZE,
 373                                        MENU_RADIO_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 374         if (pix != NULL)
 375                 pix->shared = 1;
 376         scr->menu_radio_indicator = pix;
 377
 378         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_CHECK_INDICATOR_XBM_DATA,
 379                                        (char *)MENU_CHECK_INDICATOR_XBM_DATA,
 380                                        MENU_CHECK_INDICATOR_XBM_SIZE,
 381                                        MENU_CHECK_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 382         if (pix != NULL)
 383                 pix->shared = 1;
 384         scr->menu_check_indicator = pix;
 385
 386         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_MINI_INDICATOR_XBM_DATA,
 387                                        (char *)MENU_MINI_INDICATOR_XBM_DATA,
 388                                        MENU_MINI_INDICATOR_XBM_SIZE,
 389                                        MENU_MINI_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 390         if (pix != NULL)
 391                 pix->shared = 1;
 392         scr->menu_mini_indicator = pix;
 393
 394         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_HIDE_INDICATOR_XBM_DATA,
 395                                        (char *)MENU_HIDE_INDICATOR_XBM_DATA,
 396                                        MENU_HIDE_INDICATOR_XBM_SIZE,
 397                                        MENU_HIDE_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 398         if (pix != NULL)
 399                 pix->shared = 1;
 400         scr->menu_hide_indicator = pix;
 401
 402         pix = wPixmapCreateFromXBMData(scr, (char *)MENU_SHADE_INDICATOR_XBM_DATA,
 403                                        (char *)MENU_SHADE_INDICATOR_XBM_DATA,
 404                                        MENU_SHADE_INDICATOR_XBM_SIZE,
 405                                        MENU_SHADE_INDICATOR_XBM_SIZE, scr->black_pixel, scr->white_pixel);
 406         if (pix != NULL)
 407                 pix->shared = 1;
 408         scr->menu_shade_indicator = pix;
 409
 410         create_logo_image(scr);
 411
 412         scr->dock_dots = make3Dots(scr);
 413
 414         /* titlebar button pixmaps */
 415         allocButtonPixmaps(scr);
 416 }
 417
 418 void create_logo_image(WScreen *scr)
 419 {
 420         RImage *image = get_icon_image(scr, "Logo", "WMPanel", wPreferences.icon_size);
 421
 422         if (!image) {
 423                 wwarning(_("could not load logo image for panels: %s"), RMessageForError(RErrorCode));
 424         } else {
 425                 WMSetApplicationIconImage(scr->wmscreen, image);
 426                 RReleaseImage(image);
 427         }
 428 }
 429
 430 /*
 431  *----------------------------------------------------------------------
 432  * createInternalWindows--
 433  *      Creates some windows used internally by the program. One to
 434  * receive input focus when no other window can get it and another
 435  * to display window geometry information during window resize/move.
 436  *
 437  * Returns:
 438  *      Nothing
 439  *
 440  * Side effects:
 441  *      Windows are created and some colors are allocated for the
 442  * window background.
 443  *----------------------------------------------------------------------
 444  */
 445 static void createInternalWindows(WScreen * scr)
 446 {
 447         int vmask;
 448         XSetWindowAttributes attribs;
 449
 450         /* InputOnly window to get the focus when no other window can get it */
 451         vmask = CWEventMask | CWOverrideRedirect;
 452         attribs.event_mask = KeyPressMask | FocusChangeMask;
 453         attribs.override_redirect = True;
 454         scr->no_focus_win = XCreateWindow(dpy, scr->root_win, -10, -10, 4, 4, 0, 0,
 455                                           InputOnly, CopyFromParent, vmask, &attribs);
 456         XSelectInput(dpy, scr->no_focus_win, KeyPressMask | KeyReleaseMask);
 457         XMapWindow(dpy, scr->no_focus_win);
 458
 459         XSetInputFocus(dpy, scr->no_focus_win, RevertToParent, CurrentTime);
 460
 461         /* shadow window for dock buttons */
 462         vmask = CWBorderPixel | CWBackPixmap | CWBackPixel | CWCursor | CWSaveUnder | CWOverrideRedirect;
 463         attribs.border_pixel = scr->black_pixel;
 464         attribs.save_under = True;
 465         attribs.override_redirect = True;
 466         attribs.background_pixmap = None;
 467         attribs.background_pixel = scr->white_pixel;
 468         attribs.cursor = wCursor[WCUR_DEFAULT];
 469         vmask |= CWColormap;
 470         attribs.colormap = scr->w_colormap;
 471         scr->dock_shadow =
 472             XCreateWindow(dpy, scr->root_win, 0, 0, wPreferences.icon_size,
 473                           wPreferences.icon_size, 0, scr->w_depth, CopyFromParent, scr->w_visual, vmask, &attribs);
 474
 475         /* workspace name */
 476         vmask = CWBackPixel | CWSaveUnder | CWOverrideRedirect | CWColormap | CWBorderPixel;
 477         attribs.save_under = True;
 478         attribs.override_redirect = True;
 479         attribs.colormap = scr->w_colormap;
 480         attribs.background_pixel = scr->icon_back_texture->normal.pixel;
 481         attribs.border_pixel = 0;       /* do not care */
 482         scr->workspace_name =
 483             XCreateWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, scr->w_depth,
 484                           CopyFromParent, scr->w_visual, vmask, &attribs);
 485 }
 486
 487 /*
 488  *----------------------------------------------------------------------
 489  * wScreenInit--
 490  *      Initializes the window manager for the given screen and
 491  * allocates a WScreen descriptor for it. Many resources are allocated
 492  * for the screen and the root window is setup appropriately.
 493  *
 494  * Returns:
 495  *      The WScreen descriptor for the screen.
 496  *
 497  * Side effects:
 498  *      Many resources are allocated and the IconSize property is
 499  * set on the root window.
 500  *      The program can be aborted if some fatal error occurs.
 501  *
 502  * TODO: User specifiable visual.
 503  *----------------------------------------------------------------------
 504  */
 505 WScreen *wScreenInit(int screen_number)
 506 {
 507         WScreen *scr;
 508         XIconSize icon_size[1];
 509         RContextAttributes rattr;
 510         long event_mask;
 511         XErrorHandler oldHandler;
 512         int i;
 513
 514         scr = wmalloc(sizeof(WScreen));
 515
 516         scr->stacking_list = WMCreateTreeBag();
 517
 518         /* initialize globals */
 519         scr->screen = screen_number;
 520         scr->root_win = RootWindow(dpy, screen_number);
 521         scr->depth = DefaultDepth(dpy, screen_number);
 522         scr->colormap = DefaultColormap(dpy, screen_number);
 523
 524         scr->scr_width = WidthOfScreen(ScreenOfDisplay(dpy, screen_number));
 525         scr->scr_height = HeightOfScreen(ScreenOfDisplay(dpy, screen_number));
 526
 527         wInitXinerama(scr);
 528
 529         scr->usableArea = (WArea *) wmalloc(sizeof(WArea) * wXineramaHeads(scr));
 530         scr->totalUsableArea = (WArea *) wmalloc(sizeof(WArea) * wXineramaHeads(scr));
 531
 532         for (i = 0; i < wXineramaHeads(scr); ++i) {
 533                 WMRect rect = wGetRectForHead(scr, i);
 534                 scr->usableArea[i].x1 = scr->totalUsableArea[i].x1 = rect.pos.x;
 535                 scr->usableArea[i].y1 = scr->totalUsableArea[i].y1 = rect.pos.y;
 536                 scr->usableArea[i].x2 = scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 537                 scr->usableArea[i].y2 = scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 538         }
 539
 540         scr->fakeGroupLeaders = WMCreateArray(16);
 541
 542         CantManageScreen = 0;
 543         oldHandler = XSetErrorHandler((XErrorHandler) alreadyRunningError);
 544
 545         event_mask = EVENT_MASK;
 546
 547         if (wPreferences.disable_root_mouse) {
 548                 event_mask &= ~(ButtonPressMask | ButtonReleaseMask);
 549         }
 550
 551         XSelectInput(dpy, scr->root_win, event_mask);
 552
 553 #ifdef KEEP_XKB_LOCK_STATUS
 554         /* Only GroupLock doesn't work correctly in my system since right-alt
 555          * can change mode while holding it too - ]d
 556          */
 557         if (wXkbSupported) {
 558                 XkbSelectEvents(dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask);
 559         }
 560 #endif                          /* KEEP_XKB_LOCK_STATUS */
 561
 562 #ifdef HAVE_XRANDR
 563         if (has_randr)
 564                 XRRSelectInput(dpy, scr->root_win, RRScreenChangeNotifyMask);
 565 #endif
 566
 567         XSync(dpy, False);
 568         XSetErrorHandler(oldHandler);
 569
 570         if (CantManageScreen) {
 571                 wfree(scr);
 572                 return NULL;
 573         }
 574
 575         XDefineCursor(dpy, scr->root_win, wCursor[WCUR_ROOT]);
 576
 577         /* screen descriptor for raster graphic library */
 578         rattr.flags = RC_RenderMode | RC_ColorsPerChannel | RC_StandardColormap;
 579         rattr.render_mode = wPreferences.no_dithering ? RBestMatchRendering : RDitheredRendering;
 580
 581         /* if the std colormap stuff works ok, this will be ignored */
 582         rattr.colors_per_channel = wPreferences.cmap_size;
 583         if (rattr.colors_per_channel < 2)
 584                 rattr.colors_per_channel = 2;
 585
 586         /* Use standard colormap */
 587         rattr.standard_colormap_mode = RUseStdColormap;
 588
 589         if (getWVisualID(screen_number) >= 0) {
 590                 rattr.flags |= RC_VisualID;
 591                 rattr.visualid = getWVisualID(screen_number);
 592         }
 593
 594         scr->rcontext = RCreateContext(dpy, screen_number, &rattr);
 595
 596         if (!scr->rcontext && RErrorCode == RERR_STDCMAPFAIL) {
 597                 wwarning("%s", RMessageForError(RErrorCode));
 598
 599                 rattr.flags &= ~RC_StandardColormap;
 600                 rattr.standard_colormap_mode = RUseStdColormap;
 601
 602                 scr->rcontext = RCreateContext(dpy, screen_number, &rattr);
 603         }
 604
 605         if (!scr->rcontext) {
 606                 wwarning(_("could not initialize graphics library context: %s"), RMessageForError(RErrorCode));
 607                 wAbort(False);
 608         } else {
 609                 char **formats;
 610                 int i = 0;
 611
 612                 formats = RSupportedFileFormats();
 613                 if (formats) {
 614                         for (i = 0; formats[i] != NULL; i++) {
 615                                 if (strcmp(formats[i], "TIFF") == 0) {
 616                                         scr->flags.supports_tiff = 1;
 617                                         break;
 618                                 }
 619                         }
 620                 }
 621         }
 622
 623         scr->w_win = scr->rcontext->drawable;
 624         scr->w_visual = scr->rcontext->visual;
 625         scr->w_depth = scr->rcontext->depth;
 626         scr->w_colormap = scr->rcontext->cmap;
 627
 628         /* create screen descriptor for WINGs */
 629         scr->wmscreen = WMCreateScreenWithRContext(dpy, screen_number, scr->rcontext);
 630
 631         if (!scr->wmscreen) {
 632                 wfatal(_("could not initialize WINGs widget set"));
 633                 return NULL;
 634         }
 635
 636         scr->black = WMBlackColor(scr->wmscreen);
 637         scr->white = WMWhiteColor(scr->wmscreen);
 638         scr->gray = WMGrayColor(scr->wmscreen);
 639         scr->darkGray = WMDarkGrayColor(scr->wmscreen);
 640
 641         scr->black_pixel = WMColorPixel(scr->black);    /*scr->rcontext->black; */
 642         scr->white_pixel = WMColorPixel(scr->white);    /*scr->rcontext->white; */
 643         scr->light_pixel = WMColorPixel(scr->gray);
 644         scr->dark_pixel = WMColorPixel(scr->darkGray);
 645
 646         /* create GCs with default values */
 647         allocGCs(scr);
 648
 649         /* for our window manager info notice board. Need to
 650          * create before reading the defaults, because it will be used there.
 651          */
 652         scr->info_window = XCreateSimpleWindow(dpy, scr->root_win, 0, 0, 10, 10, 0, 0, 0);
 653
 654         /* read defaults for this screen */
 655         wReadDefaults(scr, WDWindowMaker->dictionary);
 656
 657         {
 658                 XColor xcol;
 659                 /* frame boder color */
 660                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_border_color), &xcol);
 661                 scr->frame_border_pixel = xcol.pixel;
 662                 wGetColor(scr, WMGetColorRGBDescription(scr->frame_selected_border_color), &xcol);
 663                 scr->frame_selected_border_pixel = xcol.pixel;
 664         }
 665
 666         createInternalWindows(scr);
 667
 668         wNETWMInitStuff(scr);
 669
 670         /* create initial workspace */
 671         wWorkspaceNew(scr);
 672
 673         /* create shared pixmaps */
 674         createPixmaps(scr);
 675
 676         /* set icon sizes we can accept from clients */
 677         icon_size[0].min_width = 8;
 678         icon_size[0].min_height = 8;
 679         icon_size[0].max_width = wPreferences.icon_size - 4;
 680         icon_size[0].max_height = wPreferences.icon_size - 4;
 681         icon_size[0].width_inc = 1;
 682         icon_size[0].height_inc = 1;
 683         XSetIconSizes(dpy, scr->root_win, icon_size, 1);
 684
 685         /* setup WindowMaker protocols property in the root window */
 686         PropSetWMakerProtocols(scr->root_win);
 687
 688         /* setup our noticeboard */
 689         XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_NOTICEBOARD,
 690                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 691         XChangeProperty(dpy, scr->root_win, _XA_WINDOWMAKER_NOTICEBOARD,
 692                         XA_WINDOW, 32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 693
 694 #ifdef BALLOON_TEXT
 695         /* initialize balloon text stuff */
 696         wBalloonInitialize(scr);
 697 #endif
 698
 699         scr->info_text_font = WMBoldSystemFontOfSize(scr->wmscreen, 12);
 700
 701         scr->tech_draw_font = XLoadQueryFont(dpy, "-adobe-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*");
 702         if (!scr->tech_draw_font)
 703                 scr->tech_draw_font = XLoadQueryFont(dpy, "fixed");
 704
 705         scr->gview = WCreateGeometryView(scr->wmscreen);
 706         WMRealizeWidget(scr->gview);
 707
 708         wScreenUpdateUsableArea(scr);
 709
 710         return scr;
 711 }
 712
 713 void wScreenUpdateUsableArea(WScreen * scr)
 714 {
 715         /*
 716          * scr->totalUsableArea[] will become the usableArea used for Windowplacement,
 717          * scr->usableArea[] will be used for iconplacement, hence no iconyard nor
 718          * border.
 719          */
 720
 721         WArea area;
 722         int i, dock_head;
 723         unsigned long best_area, tmp_area;
 724         unsigned int size, position;
 725
 726         dock_head = scr->xine_info.primary_head;
 727         best_area = 0;
 728         size = wPreferences.workspace_border_size;
 729         position = wPreferences.workspace_border_position;
 730
 731         if (scr->dock) {
 732                 WMRect rect;
 733                 rect.pos.x = scr->dock->x_pos;
 734                 rect.pos.y = scr->dock->y_pos;
 735                 rect.size.width = wPreferences.icon_size;
 736                 rect.size.height = wPreferences.icon_size;
 737                 dock_head = wGetHeadForRect(scr, rect);
 738         }
 739
 740         for (i = 0; i < wXineramaHeads(scr); ++i) {
 741                 WMRect rect = wGetRectForHead(scr, i);
 742                 scr->totalUsableArea[i].x1 = rect.pos.x;
 743                 scr->totalUsableArea[i].y1 = rect.pos.y;
 744                 scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 745                 scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 746
 747                 if (scr->dock && dock_head == i && (!scr->dock->lowered || wPreferences.no_window_over_dock)) {
 748                         int offset = wPreferences.icon_size + DOCK_EXTRA_SPACE;
 749
 750                         if (scr->dock->on_right_side) {
 751                                 scr->totalUsableArea[i].x2 -= offset;
 752                         } else {
 753                                 scr->totalUsableArea[i].x1 += offset;
 754                         }
 755                 }
 756
 757                 if (wNETWMGetUsableArea(scr, i, &area)) {
 758                         scr->totalUsableArea[i].x1 = WMAX(scr->totalUsableArea[i].x1, area.x1);
 759                         scr->totalUsableArea[i].y1 = WMAX(scr->totalUsableArea[i].y1, area.y1);
 760                         scr->totalUsableArea[i].x2 = WMIN(scr->totalUsableArea[i].x2, area.x2);
 761                         scr->totalUsableArea[i].y2 = WMIN(scr->totalUsableArea[i].y2, area.y2);
 762                 }
 763
 764                 scr->usableArea[i] = scr->totalUsableArea[i];
 765
 766 #if 0
 767                 printf("usableArea[%d]: %d %d %d %d\n", i,
 768                        scr->usableArea[i].x1, scr->usableArea[i].x2, scr->usableArea[i].y1, scr->usableArea[i].y2);
 769 #endif
 770                 if (wPreferences.no_window_over_icons) {
 771                         if (wPreferences.icon_yard & IY_VERT) {
 772                                 if (wPreferences.icon_yard & IY_RIGHT) {
 773                                         scr->totalUsableArea[i].x2 -= wPreferences.icon_size;
 774                                 } else {
 775                                         scr->totalUsableArea[i].x1 += wPreferences.icon_size;
 776                                 }
 777                         } else {
 778                                 if (wPreferences.icon_yard & IY_TOP) {
 779                                         scr->totalUsableArea[i].y1 += wPreferences.icon_size;
 780                                 } else {
 781                                         scr->totalUsableArea[i].y2 -= wPreferences.icon_size;
 782                                 }
 783                         }
 784                 }
 785
 786                 if (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1 < rect.size.width / 2) {
 787                         scr->totalUsableArea[i].x1 = rect.pos.x;
 788                         scr->totalUsableArea[i].x2 = rect.pos.x + rect.size.width;
 789                 }
 790
 791                 if (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1 < rect.size.height / 2) {
 792                         scr->totalUsableArea[i].y1 = rect.pos.y;
 793                         scr->totalUsableArea[i].y2 = rect.pos.y + rect.size.height;
 794                 }
 795
 796                 tmp_area = (scr->totalUsableArea[i].x2 - scr->totalUsableArea[i].x1) *
 797                     (scr->totalUsableArea[i].y2 - scr->totalUsableArea[i].y1);
 798
 799                 if (tmp_area > best_area) {
 800                         best_area = tmp_area;
 801                         area = scr->totalUsableArea[i];
 802                 }
 803
 804                 if (size > 0 && position != WB_NONE) {
 805                         if (position & WB_LEFTRIGHT) {
 806                                 scr->totalUsableArea[i].x1 += size;
 807                                 scr->totalUsableArea[i].x2 -= size;
 808                         }
 809                         if (position & WB_TOPBOTTOM) {
 810                                 scr->totalUsableArea[i].y1 += size;
 811                                 scr->totalUsableArea[i].y2 -= size;
 812                         }
 813                 }
 814         }
 815
 816         if (wPreferences.auto_arrange_icons)
 817                 wArrangeIcons(scr, True);
 818 }
 819
 820 void wScreenRestoreState(WScreen * scr)
 821 {
 822         WMPropList *state;
 823         char *path;
 824
 825         OpenRootMenu(scr, -10000, -10000, False);
 826         wMenuUnmap(scr->root_menu);
 827
 828         make_keys();
 829
 830         if (wScreenCount == 1) {
 831                 path = wdefaultspathfordomain("WMState");
 832         } else {
 833                 char buf[16];
 834                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 835                 path = wdefaultspathfordomain(buf);
 836         }
 837         scr->session_state = WMReadPropListFromFile(path);
 838         wfree(path);
 839         if (!scr->session_state && wScreenCount > 1) {
 840                 path = wdefaultspathfordomain("WMState");
 841                 scr->session_state = WMReadPropListFromFile(path);
 842                 wfree(path);
 843         }
 844
 845         if (!scr->session_state) {
 846                 scr->session_state = WMCreatePLDictionary(NULL, NULL);
 847         }
 848
 849         if (!wPreferences.flags.nodock) {
 850                 state = WMGetFromPLDictionary(scr->session_state, dDock);
 851                 scr->dock = wDockRestoreState(scr, state, WM_DOCK);
 852                 /* If clip_merged_in_dock, setting scr->clip_icon is done by
 853                  * wDockRestoreState()->wDockCreate()->mainIconCreate() */
 854         }
 855
 856         if (!wPreferences.flags.noclip) {
 857                 state = WMGetFromPLDictionary(scr->session_state, dClip);
 858                 scr->clip_icon = wClipRestoreState(scr, state);
 859         }
 860
 861         if (!wPreferences.flags.nodrawer) {
 862                 wDrawersRestoreState(scr);
 863         }
 864
 865         wWorkspaceRestoreState(scr);
 866
 867         wScreenUpdateUsableArea(scr);
 868 }
 869
 870 void wScreenSaveState(WScreen * scr)
 871 {
 872         WWindow *wwin;
 873         char *str;
 874         WMPropList *old_state, *foo;
 875
 876         make_keys();
 877
 878         /* save state of windows */
 879         wwin = scr->focused_window;
 880         while (wwin) {
 881                 wWindowSaveState(wwin);
 882                 wwin = wwin->prev;
 883         }
 884
 885         if (wPreferences.flags.noupdates)
 886                 return;
 887
 888         old_state = scr->session_state;
 889         scr->session_state = WMCreatePLDictionary(NULL, NULL);
 890
 891         WMPLSetCaseSensitive(True);
 892
 893         /* save dock state to file */
 894         if (!wPreferences.flags.nodock) {
 895                 wDockSaveState(scr, old_state);
 896         } else {
 897                 if ((foo = WMGetFromPLDictionary(old_state, dDock)) != NULL) {
 898                         WMPutInPLDictionary(scr->session_state, dDock, foo);
 899                 }
 900         }
 901         if (!wPreferences.flags.noclip) {
 902                 wClipSaveState(scr);
 903         } else {
 904                 if ((foo = WMGetFromPLDictionary(old_state, dClip)) != NULL) {
 905                         WMPutInPLDictionary(scr->session_state, dClip, foo);
 906                 }
 907         }
 908
 909         wWorkspaceSaveState(scr, old_state);
 910
 911         if (!wPreferences.flags.nodrawer) {
 912                 wDrawersSaveState(scr);
 913         } else {
 914                 if ((foo = WMGetFromPLDictionary(old_state, dDrawers)) != NULL) {
 915                         WMPutInPLDictionary(scr->session_state, dDrawers, foo);
 916                 }
 917         }
 918
 919
 920         if (wPreferences.save_session_on_exit) {
 921                 wSessionSaveState(scr);
 922         } else {
 923                 if ((foo = WMGetFromPLDictionary(old_state, dApplications)) != NULL) {
 924                         WMPutInPLDictionary(scr->session_state, dApplications, foo);
 925                 }
 926                 if ((foo = WMGetFromPLDictionary(old_state, dWorkspace)) != NULL) {
 927                         WMPutInPLDictionary(scr->session_state, dWorkspace, foo);
 928                 }
 929         }
 930
 931         /* clean up */
 932         WMPLSetCaseSensitive(False);
 933
 934         wMenuSaveState(scr);
 935
 936         if (wScreenCount == 1) {
 937                 str = wdefaultspathfordomain("WMState");
 938         } else {
 939                 char buf[16];
 940                 snprintf(buf, sizeof(buf), "WMState.%i", scr->screen);
 941                 str = wdefaultspathfordomain(buf);
 942         }
 943         if (!WMWritePropListToFile(scr->session_state, str)) {
 944                 werror(_("could not save session state in %s"), str);
 945         }
 946         wfree(str);
 947         WMReleasePropList(old_state);
 948 }
 949
 950 int wScreenBringInside(WScreen * scr, int *x, int *y, int width, int height)
 951 {
 952         int moved = 0;
 953         int tol_w, tol_h;
 954         /*
 955          * With respect to the head that contains most of the window.
 956          */
 957         int sx1, sy1, sx2, sy2;
 958
 959         WMRect rect;
 960         int head, flags;
 961
 962         rect.pos.x = *x;
 963         rect.pos.y = *y;
 964         rect.size.width = width;
 965         rect.size.height = height;
 966
 967         head = wGetRectPlacementInfo(scr, rect, &flags);
 968         rect = wGetRectForHead(scr, head);
 969
 970         sx1 = rect.pos.x;
 971         sy1 = rect.pos.y;
 972         sx2 = sx1 + rect.size.width;
 973         sy2 = sy1 + rect.size.height;
 974
 975 #if 0                           /* NOTE: gives funky group movement */
 976         if (flags & XFLAG_MULTIPLE) {
 977                 /*
 978                  * since we span multiple heads, pull window totaly inside
 979                  */
 980                 if (*x < sx1)
 981                         *x = sx1, moved = 1;
 982                 else if (*x + width > sx2)
 983                         *x = sx2 - width, moved = 1;
 984
 985                 if (*y < sy1)
 986                         *y = sy1, moved = 1;
 987                 else if (*y + height > sy2)
 988                         *y = sy2 - height, moved = 1;
 989
 990                 return moved;
 991         }
 992 #endif
 993
 994         if (width > 20)
 995                 tol_w = width / 2;
 996         else
 997                 tol_w = 20;
 998
 999         if (height > 20)
1000                 tol_h = height / 2;
1001         else
1002                 tol_h = 20;
1003
1004         if (*x + width < sx1 + 10)
1005                 *x = sx1 - tol_w, moved = 1;
1006         else if (*x >= sx2 - 10)
1007                 *x = sx2 - tol_w - 1, moved = 1;
1008
1009         if (*y < sy1 - height + 10)
1010                 *y = sy1 - tol_h, moved = 1;
1011         else if (*y >= sy2 - 10)
1012                 *y = sy2 - tol_h - 1, moved = 1;
1013
1014         return moved;
1015 }
1016
1017 int wScreenKeepInside(WScreen * scr, int *x, int *y, int width, int height)
1018 {
1019         int moved = 0;
1020         int sx1, sy1, sx2, sy2;
1021         WMRect rect;
1022         int head;
1023
1024         rect.pos.x = *x;
1025         rect.pos.y = *y;
1026         rect.size.width = width;
1027         rect.size.height = height;
1028
1029         head = wGetHeadForRect(scr, rect);
1030         rect = wGetRectForHead(scr, head);
1031
1032         sx1 = rect.pos.x;
1033         sy1 = rect.pos.y;
1034         sx2 = sx1 + rect.size.width;
1035         sy2 = sy1 + rect.size.height;
1036
1037         if (*x < sx1)
1038                 *x = sx1, moved = 1;
1039         else if (*x + width > sx2)
1040                 *x = sx2 - width, moved = 1;
1041
1042         if (*y < sy1)
1043                 *y = sy1, moved = 1;
1044         else if (*y + height > sy2)
1045                 *y = sy2 - height, moved = 1;
1046
1047         return moved;
1048 }