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 along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20 #include "wconfig.h"
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24 #include <X11/Xatom.h>
  25 #ifdef SHAPE
  26 #include <X11/extensions/shape.h>
  27 #endif
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include "WindowMaker.h"
  34 #include "framewin.h"
  35 #include "window.h"
  36 #include "properties.h"
  37 #include "actions.h"
  38 #include "icon.h"
  39 #include "client.h"
  40 #include "colormap.h"
  41 #include "stacking.h"
  42 #include "appicon.h"
  43 #include "appmenu.h"
  44 #include "wmspec.h"
  45
  46 /****** Global Variables ******/
  47
  48 /* contexts */
  49 extern XContext wWinContext;
  50
  51 extern Atom _XA_WM_STATE;
  52 extern Atom _XA_WM_PROTOCOLS;
  53 extern Atom _XA_WM_COLORMAP_WINDOWS;
  54
  55 extern Atom _XA_WINDOWMAKER_MENU;
  56
  57 extern Atom _XA_GNUSTEP_WM_ATTR;
  58 extern Atom _XA_GNUSTEP_WM_RESIZEBAR;
  59
  60 #ifdef SHAPE
  61 extern Bool wShapeSupported;
  62 #endif
  63
  64 /*
  65  *--------------------------------------------------------------------
  66  * wClientRestore--
  67  *      Reparent the window back to the root window.
  68  *
  69  *--------------------------------------------------------------------
  70  */
  71 void wClientRestore(WWindow * wwin)
  72 {
  73 #if 0
  74         int gx, gy;
  75
  76         wClientGetGravityOffsets(wwin, &gx, &gy);
  77         /* set the position of the frame on screen */
  78         wwin->frame_x -= gx * FRAME_BORDER_WIDTH;
  79         wwin->frame_y -= gy * FRAME_BORDER_WIDTH;
  80         /* if gravity is to the south, account for the border sizes */
  81         if (gy > 0)
  82                 wwin->frame_y += (wwin->frame->top_width + wwin->frame->bottom_width);
  83 #endif
  84         /* account for titlebar and border */
  85         wwin->frame_y += wwin->frame->top_width;
  86         if (HAS_BORDER(wwin)) {
  87                 wwin->frame_x += FRAME_BORDER_WIDTH;
  88                 wwin->frame_y += FRAME_BORDER_WIDTH;
  89         }
  90
  91         XSetWindowBorderWidth(dpy, wwin->client_win, wwin->old_border_width);
  92         XReparentWindow(dpy, wwin->client_win, wwin->screen_ptr->root_win, wwin->frame_x, wwin->frame_y);
  93
  94         /* don't let the window get iconified after restart */
  95         /*
  96            if (wwin->flags.shaded)
  97            wClientSetState(wwin, NormalState, None);
  98          */
  99 }
 100
 101 /*
 102  *----------------------------------------------------------------------
 103  * wClientSetState--
 104  *      Set the state of the client window to one of the window
 105  * states defined in ICCCM (Iconic, Withdrawn, Normal)
 106  *
 107  * Side effects:
 108  *      The WM_STATE property of the window is updated as well as the
 109  * WWindow.state variable.
 110  *----------------------------------------------------------------------
 111  */
 112 void wClientSetState(WWindow * wwin, int state, Window icon_win)
 113 {
 114         long data[2];
 115
 116         wwin->state = state;
 117
 118         data[0] = (unsigned long)state;
 119         data[1] = (unsigned long)icon_win;
 120
 121         XChangeProperty(dpy, wwin->client_win, _XA_WM_STATE, _XA_WM_STATE, 32,
 122                         PropModeReplace, (unsigned char *)data, 2);
 123 }
 124
 125 void wClientGetGravityOffsets(WWindow * wwin, int *ofs_x, int *ofs_y)
 126 {
 127         switch (wwin->normal_hints->win_gravity) {
 128         case ForgetGravity:
 129         case CenterGravity:
 130         case StaticGravity:
 131                 *ofs_x = 0;
 132                 *ofs_y = 0;
 133                 break;
 134         case NorthWestGravity:
 135                 *ofs_x = -1;
 136                 *ofs_y = -1;
 137                 break;
 138         case NorthGravity:
 139                 *ofs_x = 0;
 140                 *ofs_y = -1;
 141                 break;
 142         case NorthEastGravity:
 143                 *ofs_x = 1;
 144                 *ofs_y = -1;
 145                 break;
 146         case WestGravity:
 147                 *ofs_x = -1;
 148                 *ofs_y = 0;
 149                 break;
 150         case EastGravity:
 151                 *ofs_x = 1;
 152                 *ofs_y = 0;
 153                 break;
 154         case SouthWestGravity:
 155                 *ofs_x = -1;
 156                 *ofs_y = 1;
 157                 break;
 158         case SouthGravity:
 159                 *ofs_x = 0;
 160                 *ofs_y = 1;
 161                 break;
 162         case SouthEastGravity:
 163                 *ofs_x = 1;
 164                 *ofs_y = 1;
 165                 break;
 166         }
 167 }
 168
 169 void wClientConfigure(WWindow * wwin, XConfigureRequestEvent * xcre)
 170 {
 171         XWindowChanges xwc;
 172         int nx, ny, nwidth, nheight;
 173         int ofs_x, ofs_y;
 174
 175         /*  printf("configure event: %d %d %d %d\n", xcre->x, xcre->y, xcre->width, xcre->height); */
 176
 177         if (wwin == NULL) {
 178                 /*
 179                  * configure a window that was not mapped by us
 180                  */
 181                 xwc.x = xcre->x;
 182                 xwc.y = xcre->y;
 183                 xwc.width = xcre->width;
 184                 xwc.height = xcre->height;
 185                 xwc.border_width = xcre->border_width;
 186                 xwc.stack_mode = xcre->detail;
 187                 xwc.sibling = xcre->above;
 188                 XConfigureWindow(dpy, xcre->window, xcre->value_mask, &xwc);
 189                 return;
 190         }
 191 #ifdef SHAPE
 192         if (wShapeSupported) {
 193                 int junk;
 194                 unsigned int ujunk;
 195                 int b_shaped;
 196
 197                 XShapeSelectInput(dpy, wwin->client_win, ShapeNotifyMask);
 198                 XShapeQueryExtents(dpy, wwin->client_win, &b_shaped, &junk, &junk,
 199                                    &ujunk, &ujunk, &junk, &junk, &junk, &ujunk, &ujunk);
 200                 wwin->flags.shaped = b_shaped;
 201         }
 202 #endif
 203         if (xcre->value_mask & CWStackMode) {
 204                 WObjDescriptor *desc;
 205                 WWindow *sibling;
 206
 207                 if ((xcre->value_mask & CWSibling) &&
 208                     (XFindContext(dpy, xcre->above, wWinContext, (XPointer *) & desc) == XCSUCCESS)
 209                     && (desc->parent_type == WCLASS_WINDOW)) {
 210                         sibling = desc->parent;
 211                         xwc.sibling = sibling->frame->core->window;
 212                 } else {
 213                         xwc.sibling = xcre->above;
 214                 }
 215                 xwc.stack_mode = xcre->detail;
 216                 XConfigureWindow(dpy, wwin->frame->core->window,
 217                                  xcre->value_mask & (CWSibling | CWStackMode), &xwc);
 218                 /* fix stacking order */
 219                 RemakeStackList(wwin->screen_ptr);
 220         }
 221
 222         wClientGetGravityOffsets(wwin, &ofs_x, &ofs_y);
 223
 224         if (xcre->value_mask & CWBorderWidth) {
 225                 wwin->old_border_width = xcre->border_width;
 226         }
 227
 228         if (!wwin->flags.shaded) {
 229                 /* If the window is shaded, wrong height will be set for the window */
 230                 if (xcre->value_mask & CWX) {
 231                         nx = xcre->x;
 232                         /* Subtracting the border makes the window shift by 1 pixel -Dan */
 233                         /*if (HAS_BORDER(wwin)) {
 234                            nx -= FRAME_BORDER_WIDTH;
 235                            } */
 236                 } else {
 237                         nx = wwin->frame_x;
 238                 }
 239
 240                 if (xcre->value_mask & CWY) {
 241                         ny = xcre->y - ((ofs_y < 0) ? 0 : wwin->frame->top_width);
 242                         /* Subtracting the border makes the window shift by 1 pixel -Dan */
 243                         /*if (HAS_BORDER(wwin)) {
 244                            ny -= FRAME_BORDER_WIDTH;
 245                            } */
 246                 } else {
 247                         ny = wwin->frame_y;
 248                 }
 249
 250                 if (xcre->value_mask & CWWidth)
 251                         nwidth = xcre->width;
 252                 else
 253                         nwidth = wwin->frame->core->width;
 254
 255                 if (xcre->value_mask & CWHeight)
 256                         nheight = xcre->height;
 257                 else
 258                         nheight = wwin->frame->core->height - wwin->frame->top_width - wwin->frame->bottom_width;
 259
 260                 if (nwidth != wwin->old_geometry.width)
 261                         wwin->flags.maximized &= ~(MAX_HORIZONTAL | MAX_MAXIMUS);
 262                 if (nheight != wwin->old_geometry.height)
 263                         wwin->flags.maximized &= ~(MAX_VERTICAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_MAXIMUS);
 264
 265                 wWindowConfigure(wwin, nx, ny, nwidth, nheight);
 266                 wwin->old_geometry.x = nx;
 267                 wwin->old_geometry.y = ny;
 268                 wwin->old_geometry.width = nwidth;
 269                 wwin->old_geometry.height = nheight;
 270         }
 271 }
 272
 273 void wClientSendProtocol(WWindow * wwin, Atom protocol, Time time)
 274 {
 275         XEvent event;
 276
 277         event.xclient.type = ClientMessage;
 278         event.xclient.message_type = _XA_WM_PROTOCOLS;
 279         event.xclient.format = 32;
 280         event.xclient.display = dpy;
 281         event.xclient.window = wwin->client_win;
 282         event.xclient.data.l[0] = protocol;
 283         event.xclient.data.l[1] = time;
 284         event.xclient.data.l[2] = 0;
 285         event.xclient.data.l[3] = 0;
 286         XSendEvent(dpy, wwin->client_win, False, NoEventMask, &event);
 287         XSync(dpy, False);
 288 }
 289
 290 void wClientKill(WWindow * wwin)
 291 {
 292         XKillClient(dpy, wwin->client_win);
 293
 294         XFlush(dpy);
 295 }
 296
 297 /*
 298  *----------------------------------------------------------------------
 299  * wClientCheckProperty--
 300  *      Handles PropertyNotify'es, verifying which property was
 301  * changed and updating internal state according to that, like redrawing
 302  * the icon title when it is changed.
 303  *
 304  * Side effects:
 305  *      Depends on the changed property.
 306  *
 307  * TODO: _GNUSTEP_WM_ATTR
 308  *----------------------------------------------------------------------
 309  */
 310 void wClientCheckProperty(WWindow * wwin, XPropertyEvent * event)
 311 {
 312         XWindowAttributes attribs;
 313         XWMHints *new_hints;
 314         int i, g1, g2;
 315         char *tmp = NULL;
 316
 317         switch (event->atom) {
 318         case XA_WM_NAME:
 319                 if (!wwin->flags.net_has_title) {
 320                         /* window title was changed */
 321                         if (!wFetchName(dpy, wwin->client_win, &tmp)) {
 322                                 wWindowUpdateName(wwin, NULL);
 323                         } else {
 324                                 wWindowUpdateName(wwin, tmp);
 325                         }
 326                         if (tmp)
 327                                 XFree(tmp);
 328                 }
 329                 break;
 330
 331         case XA_WM_ICON_NAME:
 332                 if (!wwin->flags.net_has_icon_title) {
 333                         if (!wwin->icon)
 334                                 break;
 335                         else {
 336                                 char *new_title;
 337
 338                                 /* icon title was changed */
 339                                 wGetIconName(dpy, wwin->client_win, &new_title);
 340                                 wIconChangeTitle(wwin->icon, new_title);
 341                         }
 342                 }
 343                 break;
 344
 345         case XA_WM_COMMAND:
 346                 if (wwin->main_window != None) {
 347                         WApplication *wapp = wApplicationOf(wwin->main_window);
 348                         char *command;
 349
 350                         if (!wapp || !wapp->app_icon || wapp->app_icon->docked)
 351                                 break;
 352
 353                         command = GetCommandForWindow(wwin->main_window);
 354                         if (command) {
 355                                 if (wapp->app_icon->command)
 356                                         wfree(wapp->app_icon->command);
 357                                 wapp->app_icon->command = command;
 358                         }
 359                 }
 360                 break;
 361
 362         case XA_WM_HINTS:
 363                 /* WM_HINTS */
 364
 365                 new_hints = XGetWMHints(dpy, wwin->client_win);
 366
 367                 /* group leader update
 368                  *
 369                  * This means that the window is setting the leader after
 370                  * it was mapped, changing leaders or removing the leader.
 371                  *
 372                  * Valid state transitions are:
 373                  *
 374                  *          _1            __2
 375                  *         / \           /  \
 376                  *         v |           v  |
 377                  *         (GC)         (GC')
 378                  *        /  ^          /   ^
 379                  *       3|  |4        5|   |6
 380                  *        |  |          |   |
 381                  *        v  /          v   /
 382                  *        (G'C)        (G'C')
 383                  *
 384                  * Where G is the window_group hint, C is CLIENT_LEADER property
 385                  * and ' indicates the hint is unset.
 386                  *
 387                  * 1,2 - change group leader to new value of window_group
 388                  * 3 - change leader to value of CLIENT_LEADER
 389                  * 4 - change leader to value of window_group
 390                  * 5 - destroy application
 391                  * 6 - create application
 392                  */
 393                 if (new_hints && (new_hints->flags & WindowGroupHint)
 394                     && new_hints->window_group != None) {
 395                         g2 = 1;
 396                 } else {
 397                         g2 = 0;
 398                 }
 399                 if (wwin->wm_hints && (wwin->wm_hints->flags & WindowGroupHint)
 400                     && wwin->wm_hints->window_group != None) {
 401                         g1 = 1;
 402                 } else {
 403                         g1 = 0;
 404                 }
 405
 406                 if (wwin->client_leader) {
 407                         if (g1 && g2 && wwin->wm_hints->window_group != new_hints->window_group) {
 408                                 i = 1;
 409                         } else if (g1 && !g2) {
 410                                 i = 3;
 411                         } else if (!g1 && g2) {
 412                                 i = 4;
 413                         } else {
 414                                 i = 0;
 415                         }
 416                 } else {
 417                         if (g1 && g2 && wwin->wm_hints->window_group != new_hints->window_group) {
 418                                 i = 2;
 419                         } else if (g1 && !g2) {
 420                                 i = 5;
 421                         } else if (!g1 && g2) {
 422                                 i = 6;
 423                         } else {
 424                                 i = 0;
 425                         }
 426                 }
 427
 428                 /* Handling this may require more work. -Dan */
 429                 if (wwin->fake_group != NULL) {
 430                         i = 7;
 431                 }
 432
 433                 if (wwin->wm_hints)
 434                         XFree(wwin->wm_hints);
 435
 436                 wwin->wm_hints = new_hints;
 437
 438                 /* do action according to state transition */
 439                 switch (i) {
 440                         /* 3 - change leader to value of CLIENT_LEADER */
 441                 case 3:
 442                         wApplicationDestroy(wApplicationOf(wwin->main_window));
 443                         wwin->main_window = wwin->client_leader;
 444                         wwin->group_id = None;
 445                         wApplicationCreate(wwin);
 446                         break;
 447
 448                         /* 1,2,4 - change leader to new value of window_group */
 449                 case 1:
 450                 case 2:
 451                 case 4:
 452                         wApplicationDestroy(wApplicationOf(wwin->main_window));
 453                         wwin->main_window = new_hints->window_group;
 454                         wwin->group_id = wwin->main_window;
 455                         wApplicationCreate(wwin);
 456                         break;
 457
 458                         /* 5 - destroy application */
 459                 case 5:
 460                         wApplicationDestroy(wApplicationOf(wwin->main_window));
 461                         wwin->main_window = None;
 462                         wwin->group_id = None;
 463                         break;
 464
 465                         /* 6 - create application */
 466                 case 6:
 467                         wwin->main_window = new_hints->window_group;
 468                         wwin->group_id = wwin->main_window;
 469                         wApplicationCreate(wwin);
 470                         break;
 471                         /* 7 - we have a fake window group id, so just ignore anything else */
 472                 case 7:
 473                         break;
 474                 }
 475
 476                 if (wwin->wm_hints) {
 477                         /* update icon */
 478                         if ((wwin->wm_hints->flags & IconPixmapHint)
 479                             || (wwin->wm_hints->flags & IconWindowHint)) {
 480                                 WApplication *wapp;
 481
 482                                 if (wwin->flags.miniaturized && wwin->icon) {
 483                                         wIconUpdate(wwin->icon, NULL);
 484                                 }
 485                                 wapp = wApplicationOf(wwin->main_window);
 486                                 if (wapp && wapp->app_icon) {
 487                                         wIconUpdate(wapp->app_icon->icon, NULL);
 488                                         wAppIconPaint(wapp->app_icon);
 489                                 }
 490                         }
 491
 492                         if (wwin->wm_hints->flags & UrgencyHint)
 493                                 wwin->flags.urgent = 1;
 494                         else
 495                                 wwin->flags.urgent = 0;
 496                         wAppBounceWhileUrgent(wApplicationOf(wwin->main_window));
 497                 /*} else if (wwin->fake_group!=NULL) {
 498                         wwin->group_id = wwin->fake_group->leader; */
 499                 } else {
 500                         wwin->group_id = None;
 501                 }
 502                 break;
 503
 504         case XA_WM_NORMAL_HINTS:
 505                 /* normal (geometry) hints */
 506                 {
 507                         int foo;
 508                         unsigned bar;
 509
 510                         XGetWindowAttributes(dpy, wwin->client_win, &attribs);
 511                         wClientGetNormalHints(wwin, &attribs, False, &foo, &foo, &bar, &bar);
 512                         /* TODO: should we check for consistency of the current
 513                          * size against the new geometry hints? */
 514                 }
 515                 break;
 516
 517         case XA_WM_TRANSIENT_FOR:
 518                 {
 519                         Window new_owner;
 520                         WWindow *owner;
 521
 522                         if (!XGetTransientForHint(dpy, wwin->client_win, &new_owner)) {
 523                                 new_owner = None;
 524                         } else {
 525                                 if (new_owner == 0 || new_owner == wwin->client_win) {
 526                                         new_owner = wwin->screen_ptr->root_win;
 527                                 }
 528                         }
 529                         if (new_owner != wwin->transient_for) {
 530                                 owner = wWindowFor(wwin->transient_for);
 531                                 if (owner) {
 532                                         if (owner->flags.semi_focused) {
 533                                                 owner->flags.semi_focused = 0;
 534                                                 if ((owner->flags.mapped || owner->flags.shaded)
 535                                                     && owner->frame)
 536                                                         wFrameWindowPaint(owner->frame);
 537                                         }
 538                                 }
 539                                 owner = wWindowFor(new_owner);
 540                                 if (owner) {
 541                                         if (!owner->flags.semi_focused) {
 542                                                 owner->flags.semi_focused = 1;
 543                                                 if ((owner->flags.mapped || owner->flags.shaded)
 544                                                     && owner->frame)
 545                                                         wFrameWindowPaint(owner->frame);
 546                                         }
 547                                 }
 548                                 wwin->transient_for = new_owner;
 549                                 if (new_owner == None) {
 550                                         if (WFLAGP(wwin, no_miniaturizable)) {
 551                                                 WSETUFLAG(wwin, no_miniaturizable, 0);
 552                                                 WSETUFLAG(wwin, no_miniaturize_button, 0);
 553                                                 if (wwin->frame)
 554                                                         wWindowConfigureBorders(wwin);
 555                                         }
 556                                 } else if (!WFLAGP(wwin, no_miniaturizable)) {
 557                                         WSETUFLAG(wwin, no_miniaturizable, 1);
 558                                         WSETUFLAG(wwin, no_miniaturize_button, 1);
 559                                         if (wwin->frame)
 560                                                 wWindowConfigureBorders(wwin);
 561                                 }
 562                         }
 563                 }
 564                 break;
 565
 566         default:
 567                 if (event->atom == _XA_WM_PROTOCOLS) {
 568
 569                         PropGetProtocols(wwin->client_win, &wwin->protocols);
 570
 571                         WSETUFLAG(wwin, kill_close, !wwin->protocols.DELETE_WINDOW);
 572
 573                         if (wwin->frame)
 574                                 wWindowUpdateButtonImages(wwin);
 575
 576                 } else if (event->atom == _XA_WM_COLORMAP_WINDOWS) {
 577
 578                         GetColormapWindows(wwin);
 579                         wColormapInstallForWindow(wwin->screen_ptr, wwin);
 580
 581                 } else if (event->atom == _XA_WINDOWMAKER_MENU) {
 582                         WApplication *wapp;
 583
 584                         wapp = wApplicationOf(wwin->main_window);
 585                         if (wapp) {
 586                                 if (wapp->menu) {
 587                                         /* update menu */
 588                                         /* TODO: remake appmenu update */
 589                                         wAppMenuDestroy(wapp->menu);
 590                                 }
 591                                 if (wwin->fake_group) {
 592                                         extern WPreferences wPreferences;
 593                                         WScreen *scr = wwin->screen_ptr;
 594                                         WWindow *foo = scr->focused_window;
 595                                         WFakeGroupLeader *fPtr = wwin->fake_group;
 596
 597                                         wApplicationDestroy(wapp);
 598                                         while (foo) {
 599                                                 if (foo->fake_group && foo->fake_group == fPtr) {
 600                                                         WSETUFLAG(foo, shared_appicon, 0);
 601                                                         foo->fake_group = NULL;
 602                                                         if (foo->group_id != None)
 603                                                                 foo->main_window = foo->group_id;
 604                                                         else if (foo->client_leader != None)
 605                                                                 foo->main_window = foo->client_leader;
 606                                                         else if (WFLAGP(foo, emulate_appicon))
 607                                                                 foo->main_window = foo->client_win;
 608                                                         else
 609                                                                 foo->main_window = None;
 610                                                         if (foo->main_window) {
 611                                                                 wapp = wApplicationCreate(foo);
 612                                                         }
 613                                                 }
 614                                                 foo = foo->prev;
 615                                         }
 616
 617                                         if (fPtr->leader != None)
 618                                                 XDestroyWindow(dpy, fPtr->leader);
 619                                         fPtr->retainCount = 0;
 620                                         fPtr->leader = None;
 621                                         fPtr->origLeader = None;
 622
 623                                         wapp = wApplicationOf(wwin->main_window);
 624                                         if (wapp) {
 625                                                 wapp->menu = wAppMenuGet(scr, wwin->main_window);
 626                                         }
 627                                         if (wPreferences.auto_arrange_icons) {
 628                                                 wArrangeIcons(wwin->screen_ptr, True);
 629                                         }
 630                                 } else {
 631                                         wapp->menu = wAppMenuGet(wwin->screen_ptr, wwin->main_window);
 632                                 }
 633                                 /* make the appmenu be mapped */
 634                                 wSetFocusTo(wwin->screen_ptr, NULL);
 635                                 wSetFocusTo(wwin->screen_ptr, wwin->screen_ptr->focused_window);
 636                         }
 637                 } else if (event->atom == _XA_GNUSTEP_WM_ATTR) {
 638                         GNUstepWMAttributes *attr;
 639
 640                         PropGetGNUstepWMAttr(wwin->client_win, &attr);
 641
 642                         wWindowUpdateGNUstepAttr(wwin, attr);
 643
 644                         XFree(attr);
 645                 } else {
 646                         wNETWMCheckClientHintChange(wwin, event);
 647                 }
 648         }
 649 }
 650
 651 /*
 652  *----------------------------------------------------------------------
 653  * wClientGetNormalHints--
 654  *      Get size (normal) hints and a default geometry for the client
 655  * window. The hints are also checked for inconsistency. If geometry is
 656  * True, the returned data will account for client specified initial
 657  * geometry.
 658  *
 659  * Side effects:
 660  *      normal_hints is filled with valid data.
 661  *----------------------------------------------------------------------
 662  */
 663 void
 664 wClientGetNormalHints(WWindow * wwin, XWindowAttributes * wattribs, Bool geometry,
 665                       int *x, int *y, unsigned *width, unsigned *height)
 666 {
 667         int pre_icccm = 0;      /* not used */
 668
 669         /* find a position for the window */
 670         if (!wwin->normal_hints)
 671                 wwin->normal_hints = XAllocSizeHints();
 672
 673         if (!PropGetNormalHints(wwin->client_win, wwin->normal_hints, &pre_icccm)) {
 674                 wwin->normal_hints->flags = 0;
 675         }
 676         *x = wattribs->x;
 677         *y = wattribs->y;
 678
 679         *width = wattribs->width;
 680         *height = wattribs->height;
 681
 682         if (!(wwin->normal_hints->flags & PWinGravity)) {
 683                 wwin->normal_hints->win_gravity = NorthWestGravity;
 684         }
 685         if (!(wwin->normal_hints->flags & PMinSize)) {
 686                 wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
 687                 wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
 688         }
 689         if (!(wwin->normal_hints->flags & PBaseSize)) {
 690                 wwin->normal_hints->base_width = 0;
 691                 wwin->normal_hints->base_height = 0;
 692         }
 693         if (!(wwin->normal_hints->flags & PMaxSize)) {
 694                 wwin->normal_hints->max_width = wwin->screen_ptr->scr_width * 2;
 695                 wwin->normal_hints->max_height = wwin->screen_ptr->scr_height * 2;
 696         }
 697
 698         /* some buggy apps set weird hints.. */
 699         if (wwin->normal_hints->min_width <= 0)
 700                 wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
 701
 702         if (wwin->normal_hints->min_height <= 0)
 703                 wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
 704
 705         if (wwin->normal_hints->max_width < wwin->normal_hints->min_width)
 706                 wwin->normal_hints->max_width = wwin->normal_hints->min_width;
 707
 708         if (wwin->normal_hints->max_height < wwin->normal_hints->min_height)
 709                 wwin->normal_hints->max_height = wwin->normal_hints->min_height;
 710
 711         if (!(wwin->normal_hints->flags & PResizeInc)) {
 712                 wwin->normal_hints->width_inc = 1;
 713                 wwin->normal_hints->height_inc = 1;
 714         } else {
 715                 if (wwin->normal_hints->width_inc <= 0)
 716                         wwin->normal_hints->width_inc = 1;
 717                 if (wwin->normal_hints->height_inc <= 0)
 718                         wwin->normal_hints->height_inc = 1;
 719         }
 720
 721         if (wwin->normal_hints->flags & PAspect) {
 722                 if (wwin->normal_hints->min_aspect.x < 1)
 723                         wwin->normal_hints->min_aspect.x = 1;
 724                 if (wwin->normal_hints->min_aspect.y < 1)
 725                         wwin->normal_hints->min_aspect.y = 1;
 726
 727                 if (wwin->normal_hints->max_aspect.x < 1)
 728                         wwin->normal_hints->max_aspect.x = 1;
 729                 if (wwin->normal_hints->max_aspect.y < 1)
 730                         wwin->normal_hints->max_aspect.y = 1;
 731         }
 732
 733         if (wwin->normal_hints->min_height > wwin->normal_hints->max_height) {
 734                 wwin->normal_hints->min_height = wwin->normal_hints->max_height;
 735         }
 736         if (wwin->normal_hints->min_width > wwin->normal_hints->max_width) {
 737                 wwin->normal_hints->min_width = wwin->normal_hints->max_width;
 738         }
 739 #ifdef IGNORE_PPOSITION
 740         wwin->normal_hints->flags &= ~PPosition;
 741 #endif
 742
 743         if (pre_icccm && !wwin->screen_ptr->flags.startup && geometry) {
 744                 if (wwin->normal_hints->flags & (USPosition | PPosition)) {
 745                         *x = wwin->normal_hints->x;
 746                         *y = wwin->normal_hints->y;
 747                 }
 748                 if (wwin->normal_hints->flags & (USSize | PSize)) {
 749                         *width = wwin->normal_hints->width;
 750                         *height = wwin->normal_hints->height;
 751                 }
 752         }
 753 }
 754
 755 void GetColormapWindows(WWindow * wwin)
 756 {
 757 #ifndef NO_CRASHES
 758         if (wwin->cmap_windows) {
 759                 XFree(wwin->cmap_windows);
 760         }
 761
 762         wwin->cmap_windows = NULL;
 763         wwin->cmap_window_no = 0;
 764
 765         if (!XGetWMColormapWindows(dpy, wwin->client_win, &(wwin->cmap_windows), &(wwin->cmap_window_no))
 766             || !wwin->cmap_windows) {
 767                 wwin->cmap_window_no = 0;
 768                 wwin->cmap_windows = NULL;
 769         }
 770 #endif
 771 }