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  98  * states defined in ICCCM (Iconic, Withdrawn, Normal)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