src/client.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 #include <X11/Xatom.h>
  26 #ifdef SHAPE
  27 #include <X11/extensions/shape.h>
  28 #endif
  29
  30 #include <stdlib.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include "WindowMaker.h"
  35 #include "wcore.h"
  36 #include "framewin.h"
  37 #include "window.h"
  38 #include "properties.h"
  39 #include "actions.h"
  40 #include "icon.h"
  41 #include "client.h"
  42 #include "funcs.h"
  43 #include "stacking.h"
  44 #include "appicon.h"
  45 #include "appmenu.h"
  46 #ifdef NETWM_HINTS
  47 # include "wmspec.h"
  48 #endif
  49
  50
  51 /****** Global Variables ******/
  52
  53 /* contexts */
  54 extern XContext wWinContext;
  55
  56 extern Atom _XA_WM_STATE;
  57 extern Atom _XA_WM_PROTOCOLS;
  58 extern Atom _XA_WM_COLORMAP_WINDOWS;
  59
  60 extern Atom _XA_WINDOWMAKER_MENU;
  61
  62 extern Atom _XA_GNUSTEP_WM_ATTR;
  63 extern Atom _XA_GNUSTEP_WM_RESIZEBAR;
  64
  65 #ifdef SHAPE
  66 extern Bool wShapeSupported;
  67 #endif
  68
  69
  70 /*
  71  *--------------------------------------------------------------------
  72  * wClientRestore--
  73  *      Reparent the window back to the root window.
  74  *
  75  *--------------------------------------------------------------------
  76  */
  77 void
  78 wClientRestore(WWindow *wwin)
  79 {
  80 #if 0
  81     int gx, gy;
  82
  83     wClientGetGravityOffsets(wwin, &gx, &gy);
  84     /* set the positio of the frame on screen */
  85     wwin->frame_x -= gx * FRAME_BORDER_WIDTH;
  86     wwin->frame_y -= gy * FRAME_BORDER_WIDTH;
  87     /* if gravity is to the south, account for the border sizes */
  88     if (gy > 0)
  89         wwin->frame_y += (wwin->frame->top_width + wwin->frame->bottom_width);
  90 #endif
  91     XSetWindowBorderWidth(dpy, wwin->client_win, wwin->old_border_width);
  92     XReparentWindow(dpy, wwin->client_win, wwin->screen_ptr->root_win,
  93                     wwin->frame_x, wwin->frame_y);
  94
  95     /* don't let the window get iconified after restart */
  96     /*
  97      if (wwin->flags.shaded)
  98      wClientSetState(wwin, NormalState, None);
  99      */
 100 }
 101
 102
 103 /*
 104  *----------------------------------------------------------------------
 105  * wClientSetState--
 106  *      Set the state of the client window to one of the window
 107  * states defined in ICCCM (Iconic, Withdrawn, Normal)
 108  *
 109  * Side effects:
 110  *      The WM_STATE property of the window is updated as well as the
 111  * WWindow.state variable.
 112  *----------------------------------------------------------------------
 113  */
 114 void
 115 wClientSetState(WWindow *wwin, int state, Window icon_win)
 116 {
 117     CARD32 data[2];
 118
 119     wwin->state = state;
 120
 121     data[0] = (unsigned long) state;
 122     data[1] = (unsigned long) icon_win;
 123
 124     XChangeProperty(dpy, wwin->client_win, _XA_WM_STATE, _XA_WM_STATE, 32,
 125                     PropModeReplace, (unsigned char *) data, 2);
 126 }
 127
 128
 129 void
 130 wClientGetGravityOffsets(WWindow *wwin, int *ofs_x, int *ofs_y)
 131 {
 132     switch (wwin->normal_hints->win_gravity) {
 133     case ForgetGravity:
 134     case CenterGravity:
 135     case StaticGravity:
 136         *ofs_x = 0;
 137         *ofs_y = 0;
 138         break;
 139     case NorthWestGravity:
 140         *ofs_x = -1;
 141         *ofs_y = -1;
 142         break;
 143     case NorthGravity:
 144         *ofs_x = 0;
 145         *ofs_y = -1;
 146         break;
 147     case NorthEastGravity:
 148         *ofs_x = 1;
 149         *ofs_y = -1;
 150         break;
 151     case WestGravity:
 152         *ofs_x = -1;
 153         *ofs_y = 0;
 154         break;
 155     case EastGravity:
 156         *ofs_x = 1;
 157         *ofs_y = 0;
 158         break;
 159     case SouthWestGravity:
 160         *ofs_x = -1;
 161         *ofs_y = 1;
 162         break;
 163     case SouthGravity:
 164         *ofs_x = 0;
 165         *ofs_y = 1;
 166         break;
 167     case SouthEastGravity:
 168         *ofs_x = 1;
 169         *ofs_y = 1;
 170         break;
 171     }
 172 }
 173
 174
 175
 176 void
 177 wClientConfigure(WWindow *wwin, XConfigureRequestEvent *xcre)
 178 {
 179     XWindowChanges xwc;
 180     int nx, ny, nwidth, nheight;
 181     int ofs_x, ofs_y;
 182
 183     /*  printf("configure event: %d %d %d %d\n", xcre->x, xcre->y, xcre->width, xcre->height);*/
 184
 185     if (wwin==NULL) {
 186         /*
 187          * configure a window that was not mapped by us
 188          */
 189         xwc.x = xcre->x;
 190         xwc.y = xcre->y;
 191         xwc.width = xcre->width;
 192         xwc.height = xcre->height;
 193         xwc.border_width = xcre->border_width;
 194         xwc.stack_mode = xcre->detail;
 195         xwc.sibling = xcre->above;
 196         XConfigureWindow(dpy, xcre->window, xcre->value_mask, &xwc);
 197         return;
 198     }
 199 #ifdef SHAPE
 200     if (wShapeSupported) {
 201         int junk;
 202         unsigned int ujunk;
 203         int b_shaped;
 204
 205         XShapeSelectInput(dpy, wwin->client_win, ShapeNotifyMask);
 206         XShapeQueryExtents(dpy, wwin->client_win, &b_shaped, &junk, &junk,
 207                            &ujunk, &ujunk, &junk, &junk, &junk, &ujunk,
 208                            &ujunk);
 209         wwin->flags.shaped = b_shaped;
 210     }
 211 #endif
 212     if (xcre->value_mask & CWStackMode) {
 213         WObjDescriptor *desc;
 214         WWindow *sibling;
 215
 216         if ((xcre->value_mask & CWSibling) &&
 217             (XFindContext(dpy, xcre->above, wWinContext,
 218                           (XPointer *)&desc) == XCSUCCESS)
 219             && (desc->parent_type==WCLASS_WINDOW)) {
 220             sibling=desc->parent;
 221             xwc.sibling = sibling->frame->core->window;
 222         } else {
 223             xwc.sibling = xcre->above;
 224         }
 225         xwc.stack_mode = xcre->detail;
 226         XConfigureWindow(dpy, wwin->frame->core->window,
 227                          xcre->value_mask & (CWSibling | CWStackMode), &xwc);
 228         /* fix stacking order */
 229         RemakeStackList(wwin->screen_ptr);
 230     }
 231
 232     wClientGetGravityOffsets(wwin, &ofs_x, &ofs_y);
 233
 234     if (xcre->value_mask & CWBorderWidth) {
 235         wwin->old_border_width = xcre->border_width;
 236     }
 237
 238     if (!wwin->flags.shaded) {
 239         /* If the window is shaded, wrong height will be set for the window */
 240         if (xcre->value_mask & CWX) {
 241             nx = xcre->x;
 242             if (HAS_BORDER(wwin))
 243                 nx -= FRAME_BORDER_WIDTH;
 244         }
 245         else
 246             nx = wwin->frame_x;
 247
 248         if (xcre->value_mask & CWY) {
 249             ny = xcre->y - ((ofs_y < 0) ? 0 : wwin->frame->top_width);
 250             if (HAS_BORDER(wwin))
 251                 ny -= FRAME_BORDER_WIDTH;
 252         }
 253         else
 254             ny = wwin->frame_y;
 255
 256         if (xcre->value_mask & CWWidth)
 257             nwidth = xcre->width;
 258         else
 259             nwidth = wwin->frame->core->width;
 260
 261         if (xcre->value_mask & CWHeight)
 262             nheight = xcre->height;
 263         else
 264             nheight = wwin->frame->core->height - wwin->frame->top_width - wwin->frame->bottom_width;
 265
 266         wWindowConfigure(wwin, nx, ny, nwidth, nheight);
 267         wwin->old_geometry.x = nx;
 268         wwin->old_geometry.y = ny;
 269         wwin->old_geometry.width = nwidth;
 270         wwin->old_geometry.height = nheight;
 271     }
 272 }
 273
 274
 275 void
 276 wClientSendProtocol(WWindow *wwin, Atom protocol, Time time)
 277 {
 278     XEvent event;
 279
 280     event.xclient.type = ClientMessage;
 281     event.xclient.message_type = _XA_WM_PROTOCOLS;
 282     event.xclient.format = 32;
 283     event.xclient.display = dpy;
 284     event.xclient.window = wwin->client_win;
 285     event.xclient.data.l[0] = protocol;
 286     event.xclient.data.l[1] = time;
 287     event.xclient.data.l[2] = 0;
 288     event.xclient.data.l[3] = 0;
 289     XSendEvent(dpy, wwin->client_win, False, NoEventMask, &event);
 290     XSync(dpy, False);
 291 }
 292
 293
 294
 295 void
 296 wClientKill(WWindow *wwin)
 297 {
 298     XKillClient(dpy, wwin->client_win);
 299
 300     XFlush(dpy);
 301 }
 302
 303
 304
 305 /*
 306  *----------------------------------------------------------------------
 307  * wClientCheckProperty--
 308  *      Handles PropertyNotify'es, verifying which property was
 309  * changed and updating internal state according to that, like redrawing
 310  * the icon title when it is changed.
 311  *
 312  * Side effects:
 313  *      Depends on the changed property.
 314  *
 315  * TODO: _GNUSTEP_WM_ATTR
 316  *----------------------------------------------------------------------
 317  */
 318 void
 319 wClientCheckProperty(WWindow *wwin, XPropertyEvent *event)
 320 {
 321     XWindowAttributes attribs;
 322     XWMHints *new_hints;
 323     int i, g1, g2;
 324     char *tmp = NULL;
 325
 326     switch (event->atom) {
 327     case XA_WM_NAME:
 328         if (!wwin->flags.net_has_title)
 329         {
 330             /* window title was changed */
 331             if (!wFetchName(dpy, wwin->client_win, &tmp)) {
 332                 wWindowUpdateName(wwin, NULL);
 333             } else {
 334                 wWindowUpdateName(wwin, tmp);
 335             }
 336             if (tmp)
 337               XFree(tmp);
 338         }
 339         break;
 340
 341     case XA_WM_ICON_NAME:
 342         if (!wwin->flags.net_has_icon_title)
 343         {
 344             if (!wwin->icon)
 345               break;
 346             else {
 347                 char *new_title;
 348
 349                 /* icon title was changed */
 350                 wGetIconName(dpy, wwin->client_win, &new_title);
 351                 wIconChangeTitle(wwin->icon, new_title);
 352             }
 353         }
 354         break;
 355
 356     case XA_WM_COMMAND:
 357         if (wwin->main_window!=None) {
 358             WApplication *wapp = wApplicationOf(wwin->main_window);
 359             char *command;
 360
 361             if (!wapp || !wapp->app_icon || wapp->app_icon->docked)
 362                 break;
 363
 364             command = GetCommandForWindow(wwin->main_window);
 365             if (command) {
 366                 if (wapp->app_icon->command)
 367                     wfree(wapp->app_icon->command);
 368                 wapp->app_icon->command = command;
 369             }
 370         }
 371         break;
 372
 373     case XA_WM_HINTS:
 374         /* WM_HINTS */
 375
 376         new_hints = XGetWMHints(dpy, wwin->client_win);
 377
 378         /* group leader update
 379          *
 380          * This means that the window is setting the leader after
 381          * it was mapped, changing leaders or removing the leader.
 382          *
 383          * Valid state transitions are:
 384          *
 385          *          _1            __2
 386          *         / \           /  \
 387          *         v |           v  |
 388          *         (GC)         (GC')
 389          *        /  ^          /   ^
 390          *       3|  |4        5|   |6
 391          *        |  |          |   |
 392          *        v  /          v   /
 393          *        (G'C)        (G'C')
 394          *
 395          * Where G is the window_group hint, C is CLIENT_LEADER property
 396          * and ' indicates the hint is unset.
 397          *
 398          * 1,2 - change group leader to new value of window_group
 399          * 3 - change leader to value of CLIENT_LEADER
 400          * 4 - change leader to value of window_group
 401          * 5 - destroy application
 402          * 6 - create application
 403          */
 404         if (new_hints && (new_hints->flags & WindowGroupHint)
 405             && new_hints->window_group!=None) {
 406             g2 = 1;
 407         } else {
 408             g2 = 0;
 409         }
 410         if (wwin->wm_hints && (wwin->wm_hints->flags & WindowGroupHint)
 411             && wwin->wm_hints->window_group!=None) {
 412             g1 = 1;
 413         } else {
 414             g1 = 0;
 415         }
 416
 417         if (wwin->client_leader) {
 418             if (g1 && g2
 419                 && wwin->wm_hints->window_group!=new_hints->window_group) {
 420                 i = 1;
 421             } else if (g1 && !g2) {
 422                 i = 3;
 423             } else if (!g1 && g2) {
 424                 i = 4;
 425             } else {
 426                 i = 0;
 427             }
 428         } else {
 429             if (g1 && g2
 430                 && wwin->wm_hints->window_group!=new_hints->window_group) {
 431                 i = 2;
 432             } else if (g1 && !g2) {
 433                 i = 5;
 434             } else if (!g1 && g2) {
 435                 i = 6;
 436             } else {
 437                 i = 0;
 438             }
 439         }
 440
 441         /* Handling this may require more work. -Dan */
 442         if (wwin->fake_group!=NULL) {
 443             i = 7;
 444         }
 445
 446         if (wwin->wm_hints)
 447             XFree(wwin->wm_hints);
 448
 449         wwin->wm_hints = new_hints;
 450
 451         /* do action according to state transition */
 452         switch (i) {
 453             /* 3 - change leader to value of CLIENT_LEADER */
 454         case 3:
 455             wApplicationDestroy(wApplicationOf(wwin->main_window));
 456             wwin->main_window = wwin->client_leader;
 457             wwin->group_id = None;
 458             wApplicationCreate(wwin);
 459             break;
 460
 461             /* 1,2,4 - change leader to new value of window_group */
 462         case 1:
 463         case 2:
 464         case 4:
 465             wApplicationDestroy(wApplicationOf(wwin->main_window));
 466             wwin->main_window = new_hints->window_group;
 467             wwin->group_id = wwin->main_window;
 468             wApplicationCreate(wwin);
 469             break;
 470
 471             /* 5 - destroy application */
 472         case 5:
 473             wApplicationDestroy(wApplicationOf(wwin->main_window));
 474             wwin->main_window = None;
 475             wwin->group_id = None;
 476             break;
 477
 478             /* 6 - create application */
 479         case 6:
 480             wwin->main_window = new_hints->window_group;
 481             wwin->group_id = wwin->main_window;
 482             wApplicationCreate(wwin);
 483             break;
 484             /* 7 - we have a fake window group id, so just ignore anything else */
 485         case 7:
 486             break;
 487         }
 488 #ifdef DEBUG
 489         if (i) {
 490             printf("window leader update caused state transition %i\n",i);
 491         }
 492 #endif
 493
 494         if (wwin->wm_hints) {
 495             /* update icon */
 496             if ((wwin->wm_hints->flags & IconPixmapHint)
 497                 || (wwin->wm_hints->flags & IconWindowHint)) {
 498                 WApplication *wapp;
 499
 500                 if (wwin->flags.miniaturized && wwin->icon) {
 501                     wIconUpdate(wwin->icon);
 502                 }
 503                 wapp = wApplicationOf(wwin->main_window);
 504                 if (wapp && wapp->app_icon) {
 505                     wIconUpdate(wapp->app_icon->icon);
 506                 }
 507             }
 508
 509             if (wwin->wm_hints->flags & UrgencyHint)
 510                 wwin->flags.urgent = 1;
 511             else
 512                 wwin->flags.urgent = 0;
 513             /*} else if (wwin->fake_group!=NULL) {
 514              wwin->group_id = wwin->fake_group->leader;*/
 515         } else {
 516             wwin->group_id = None;
 517         }
 518         break;
 519
 520     case XA_WM_NORMAL_HINTS:
 521         /* normal (geometry) hints */
 522         {
 523             int foo;
 524             unsigned bar;
 525
 526             XGetWindowAttributes(dpy, wwin->client_win, &attribs);
 527             wClientGetNormalHints(wwin, &attribs, False, &foo, &foo,
 528                                   &bar, &bar);
 529             /* TODO: should we check for consistency of the current
 530              * size against the new geometry hints? */
 531         }
 532         break;
 533
 534     case XA_WM_TRANSIENT_FOR:
 535         {
 536             Window new_owner;
 537             WWindow *owner;
 538
 539             if (!XGetTransientForHint(dpy, wwin->client_win, &new_owner)) {
 540                 new_owner = None;
 541             } else {
 542                 if (new_owner==0 || new_owner == wwin->client_win) {
 543                     new_owner = wwin->screen_ptr->root_win;
 544                 }
 545             }
 546             if (new_owner!=wwin->transient_for) {
 547                 owner = wWindowFor(wwin->transient_for);
 548                 if (owner) {
 549                     if (owner->flags.semi_focused) {
 550                         owner->flags.semi_focused = 0;
 551                         if ((owner->flags.mapped || owner->flags.shaded)
 552                             && owner->frame)
 553                             wFrameWindowPaint(owner->frame);
 554                     }
 555                 }
 556                 owner = wWindowFor(new_owner);
 557                 if (owner) {
 558                     if (!owner->flags.semi_focused) {
 559                         owner->flags.semi_focused = 1;
 560                         if ((owner->flags.mapped || owner->flags.shaded)
 561                             && owner->frame)
 562                             wFrameWindowPaint(owner->frame);
 563                     }
 564                 }
 565                 wwin->transient_for = new_owner;
 566                 if (new_owner==None) {
 567                     if (WFLAGP(wwin, no_miniaturizable)) {
 568                         WSETUFLAG(wwin, no_miniaturizable, 0);
 569                         WSETUFLAG(wwin, no_miniaturize_button, 0);
 570                         if (wwin->frame)
 571                             wWindowConfigureBorders(wwin);
 572                     }
 573                 } else if (!WFLAGP(wwin, no_miniaturizable)) {
 574                     WSETUFLAG(wwin, no_miniaturizable, 1);
 575                     WSETUFLAG(wwin, no_miniaturize_button, 1);
 576                     if (wwin->frame)
 577                         wWindowConfigureBorders(wwin);
 578                 }
 579             }
 580         }
 581         break;
 582
 583     default:
 584         if (event->atom==_XA_WM_PROTOCOLS) {
 585
 586             PropGetProtocols(wwin->client_win, &wwin->protocols);
 587
 588             WSETUFLAG(wwin, kill_close, !wwin->protocols.DELETE_WINDOW);
 589
 590             if (wwin->frame)
 591                 wWindowUpdateButtonImages(wwin);
 592
 593         } else if (event->atom==_XA_WM_COLORMAP_WINDOWS) {
 594
 595             GetColormapWindows(wwin);
 596             wColormapInstallForWindow(wwin->screen_ptr, wwin);
 597
 598         } else if (event->atom==_XA_WINDOWMAKER_MENU) {
 599             WApplication *wapp;
 600
 601             wapp = wApplicationOf(wwin->main_window);
 602             if (wapp) {
 603                 if (wapp->menu) {
 604                     /* update menu */
 605                     /* TODO: remake appmenu update */
 606                     wAppMenuDestroy(wapp->menu);
 607                 }
 608                 if (wwin->fake_group) {
 609                     extern WPreferences wPreferences;
 610                     WScreen *scr = wwin->screen_ptr;
 611                     WWindow *foo = scr->focused_window;
 612                     WFakeGroupLeader *fPtr = wwin->fake_group;
 613
 614                     wApplicationDestroy(wapp);
 615                     while (foo) {
 616                         if (foo->fake_group && foo->fake_group==fPtr) {
 617                             WSETUFLAG(foo, shared_appicon, 0);
 618                             foo->fake_group = NULL;
 619                             if (foo->group_id!=None)
 620                                 foo->main_window = foo->group_id;
 621                             else if (foo->client_leader!=None)
 622                                 foo->main_window = foo->client_leader;
 623                             else if (WFLAGP(foo, emulate_appicon))
 624                                 foo->main_window = foo->client_win;
 625                             else
 626                                 foo->main_window = None;
 627                             if (foo->main_window) {
 628                                 wapp = wApplicationCreate(foo);
 629                             }
 630                         }
 631                         foo = foo->prev;
 632                     }
 633
 634                     if (fPtr->leader!=None)
 635                         XDestroyWindow(dpy, fPtr->leader);
 636                     fPtr->retainCount = 0;
 637                     fPtr->leader = None;
 638                     fPtr->origLeader = None;
 639
 640                     wapp = wApplicationOf(wwin->main_window);
 641                     if (wapp) {
 642                         wapp->menu = wAppMenuGet(scr, wwin->main_window);
 643                     }
 644                     if (wPreferences.auto_arrange_icons) {
 645                         wArrangeIcons(wwin->screen_ptr, True);
 646                     }
 647                 } else {
 648                     wapp->menu = wAppMenuGet(wwin->screen_ptr, wwin->main_window);
 649                 }
 650                 /* make the appmenu be mapped */
 651                 wSetFocusTo(wwin->screen_ptr, NULL);
 652                 wSetFocusTo(wwin->screen_ptr, wwin->screen_ptr->focused_window);
 653             }
 654         } else if (event->atom==_XA_GNUSTEP_WM_ATTR) {
 655             GNUstepWMAttributes *attr;
 656
 657             PropGetGNUstepWMAttr(wwin->client_win, &attr);
 658
 659             wWindowUpdateGNUstepAttr(wwin, attr);
 660
 661             XFree(attr);
 662         } else {
 663 #ifdef NETWM_HINTS
 664             wNETWMCheckClientHintChange(wwin, event);
 665 #endif
 666         }
 667     }
 668 }
 669
 670
 671 /*
 672  *----------------------------------------------------------------------
 673  * wClientGetNormalHints--
 674  *      Get size (normal) hints and a default geometry for the client
 675  * window. The hints are also checked for inconsistency. If geometry is
 676  * True, the returned data will account for client specified initial
 677  * geometry.
 678  *
 679  * Side effects:
 680  *      normal_hints is filled with valid data.
 681  *----------------------------------------------------------------------
 682  */
 683 void
 684 wClientGetNormalHints(WWindow *wwin, XWindowAttributes *wattribs, Bool geometry,
 685                       int *x, int *y, unsigned *width, unsigned *height)
 686 {
 687     int pre_icccm = 0;                 /* not used */
 688
 689     /* find a position for the window */
 690     if (!wwin->normal_hints)
 691         wwin->normal_hints = XAllocSizeHints();
 692
 693     if (!PropGetNormalHints(wwin->client_win, wwin->normal_hints, &pre_icccm)) {
 694         wwin->normal_hints->flags = 0;
 695     }
 696     *x = wattribs->x;
 697     *y = wattribs->y;
 698
 699     *width = wattribs->width;
 700     *height = wattribs->height;
 701
 702     if (!(wwin->normal_hints->flags & PWinGravity)) {
 703         wwin->normal_hints->win_gravity = NorthWestGravity;
 704     }
 705     if (!(wwin->normal_hints->flags & PMinSize)) {
 706         wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
 707         wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
 708     }
 709     if (!(wwin->normal_hints->flags & PBaseSize)) {
 710         wwin->normal_hints->base_width = 0;
 711         wwin->normal_hints->base_height = 0;
 712     }
 713     if (!(wwin->normal_hints->flags & PMaxSize)) {
 714         wwin->normal_hints->max_width = wwin->screen_ptr->scr_width*2;
 715         wwin->normal_hints->max_height = wwin->screen_ptr->scr_height*2;
 716     }
 717
 718     /* some buggy apps set weird hints.. */
 719     if (wwin->normal_hints->min_width <= 0)
 720         wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
 721
 722     if (wwin->normal_hints->min_height <= 0)
 723         wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
 724
 725
 726     if (wwin->normal_hints->max_width < wwin->normal_hints->min_width)
 727         wwin->normal_hints->max_width = wwin->normal_hints->min_width;
 728
 729     if (wwin->normal_hints->max_height < wwin->normal_hints->min_height)
 730         wwin->normal_hints->max_height = wwin->normal_hints->min_height;
 731
 732     if (!(wwin->normal_hints->flags & PResizeInc)) {
 733         wwin->normal_hints->width_inc = 1;
 734         wwin->normal_hints->height_inc = 1;
 735     } else {
 736         if (wwin->normal_hints->width_inc <= 0)
 737             wwin->normal_hints->width_inc = 1;
 738         if (wwin->normal_hints->height_inc <= 0)
 739             wwin->normal_hints->height_inc = 1;
 740     }
 741
 742     if (wwin->normal_hints->flags & PAspect) {
 743         if (wwin->normal_hints->min_aspect.x < 1)
 744             wwin->normal_hints->min_aspect.x = 1;
 745         if (wwin->normal_hints->min_aspect.y < 1)
 746             wwin->normal_hints->min_aspect.y = 1;
 747
 748         if (wwin->normal_hints->max_aspect.x < 1)
 749             wwin->normal_hints->max_aspect.x = 1;
 750         if (wwin->normal_hints->max_aspect.y < 1)
 751             wwin->normal_hints->max_aspect.y = 1;
 752     }
 753
 754     if (wwin->normal_hints->min_height > wwin->normal_hints->max_height) {
 755         wwin->normal_hints->min_height = wwin->normal_hints->max_height;
 756     }
 757     if (wwin->normal_hints->min_width > wwin->normal_hints->max_width) {
 758         wwin->normal_hints->min_width = wwin->normal_hints->max_width;
 759     }
 760
 761 #ifdef IGNORE_PPOSITION
 762     wwin->normal_hints->flags &= ~PPosition;
 763 #endif
 764
 765     if (pre_icccm && !wwin->screen_ptr->flags.startup && geometry) {
 766         if (wwin->normal_hints->flags & (USPosition|PPosition)) {
 767             *x = wwin->normal_hints->x;
 768             *y = wwin->normal_hints->y;
 769         }
 770         if (wwin->normal_hints->flags & (USSize|PSize)) {
 771             *width = wwin->normal_hints->width;
 772             *height = wwin->normal_hints->height;
 773         }
 774     }
 775 }
 776
 777
 778 void
 779 GetColormapWindows(WWindow *wwin)
 780 {
 781 #ifndef NO_CRASHES
 782     if (wwin->cmap_windows) {
 783         XFree(wwin->cmap_windows);
 784     }
 785
 786     wwin->cmap_windows = NULL;
 787     wwin->cmap_window_no = 0;
 788
 789     if (!XGetWMColormapWindows(dpy, wwin->client_win, &(wwin->cmap_windows),
 790                                &(wwin->cmap_window_no))
 791         || !wwin->cmap_windows) {
 792         wwin->cmap_window_no = 0;
 793         wwin->cmap_windows = NULL;
 794     }
 795
 796 #endif
 797 }