WINGs/wwindow.c

   1
   2 #include <X11/Xmd.h>
   3
   4 #include "WINGsP.h"
   5
   6 #include <X11/Xatom.h>
   7
   8
   9 typedef struct W_Window {
  10     W_Class widgetClass;
  11     W_View *view;
  12
  13     struct W_Window *nextPtr;          /* next in the window list */
  14
  15     struct W_Window *owner;
  16
  17     char *title;
  18
  19     WMPixmap *miniImage;               /* miniwindow */
  20     char *miniTitle;
  21
  22     char *wname;
  23
  24     WMSize resizeIncrement;
  25     WMSize baseSize;
  26     WMSize minSize;
  27     WMSize maxSize;
  28     WMPoint minAspect;
  29     WMPoint maxAspect;
  30
  31     WMPoint upos;
  32     WMPoint ppos;
  33
  34     WMAction *closeAction;
  35     void *closeData;
  36
  37     int level;
  38
  39     struct {
  40         unsigned style:4;
  41         unsigned configured:1;
  42         unsigned documentEdited:1;
  43
  44         unsigned setUPos:1;
  45         unsigned setPPos:1;
  46         unsigned setAspect:1;
  47     } flags;
  48 } _Window;
  49
  50
  51
  52 typedef struct {
  53     CARD32 flags;
  54     CARD32 window_style;
  55     CARD32 window_level;
  56     CARD32 reserved;
  57     Pixmap miniaturize_pixmap;         /* pixmap for miniaturize button */
  58     Pixmap close_pixmap;               /* pixmap for close button */
  59     Pixmap miniaturize_mask;           /* miniaturize pixmap mask */
  60     Pixmap close_mask;                 /* close pixmap mask */
  61     CARD32 extra_flags;
  62 } GNUstepWMAttributes;
  63
  64 #define GSWindowStyleAttr       (1<<0)
  65 #define GSWindowLevelAttr       (1<<1)
  66 #define GSMiniaturizePixmapAttr (1<<3)
  67 #define GSClosePixmapAttr       (1<<4)
  68 #define GSMiniaturizeMaskAttr   (1<<5)
  69 #define GSCloseMaskAttr         (1<<6)
  70 #define GSExtraFlagsAttr        (1<<7)
  71
  72 /* extra flags */
  73 #define GSDocumentEditedFlag    (1<<0)
  74 #define GSNoApplicationIconFlag (1<<5)
  75
  76 #define WMFHideOtherApplications        10
  77 #define WMFHideApplication              12
  78
  79
  80
  81 static void willResizeWindow(W_ViewDelegate *, WMView *, unsigned*, unsigned*);
  82
  83 struct W_ViewDelegate _WindowViewDelegate = {
  84     NULL,
  85         NULL,
  86         NULL,
  87         NULL,
  88         willResizeWindow
  89 };
  90
  91
  92 #define DEFAULT_WIDTH   400
  93 #define DEFAULT_HEIGHT  180
  94 #define DEFAULT_TITLE   ""
  95
  96
  97 static void destroyWindow(_Window *win);
  98
  99 static void handleEvents();
 100
 101 static void realizeWindow();
 102
 103 static void
 104 realizeObserver(void *self, WMNotification *not)
 105 {
 106     realizeWindow(self);
 107 }
 108
 109
 110 WMWindow*
 111 WMCreatePanelWithStyleForWindow(WMWindow *owner, char *name, int style)
 112 {
 113     WMWindow *win;
 114
 115     win = WMCreateWindowWithStyle(owner->view->screen, name, style);
 116     win->owner = owner;
 117
 118     return win;
 119 }
 120
 121
 122
 123 WMWindow*
 124 WMCreatePanelForWindow(WMWindow *owner, char *name)
 125 {
 126     return WMCreatePanelWithStyleForWindow(owner, name,
 127                                            WMTitledWindowMask
 128                                            |WMClosableWindowMask
 129                                            |WMResizableWindowMask);
 130 }
 131
 132
 133 void
 134 WMChangePanelOwner(WMWindow *win, WMWindow *newOwner)
 135 {
 136     win->owner = newOwner;
 137
 138     if (win->view->flags.realized && newOwner) {
 139         XSetTransientForHint(win->view->screen->display, win->view->window,
 140                              newOwner->view->window);
 141     }
 142 }
 143
 144
 145
 146 WMWindow*
 147 WMCreateWindow(WMScreen *screen, char *name)
 148 {
 149     return WMCreateWindowWithStyle(screen, name, WMTitledWindowMask
 150                                    |WMClosableWindowMask
 151                                    |WMMiniaturizableWindowMask
 152                                    |WMResizableWindowMask);
 153 }
 154
 155
 156
 157 WMWindow*
 158 WMCreateWindowWithStyle(WMScreen *screen, char *name, int style)
 159 {
 160     _Window *win;
 161
 162     win = wmalloc(sizeof(_Window));
 163     memset(win, 0, sizeof(_Window));
 164
 165     win->widgetClass = WC_Window;
 166
 167     win->view = W_CreateTopView(screen);
 168     if (!win->view) {
 169         wfree(win);
 170         return NULL;
 171     }
 172     win->view->self = win;
 173
 174     win->view->delegate = &_WindowViewDelegate;
 175
 176     win->wname = wstrdup(name);
 177
 178     /* add to the window list of the screen (application) */
 179     win->nextPtr = screen->windowList;
 180     screen->windowList = win;
 181
 182     WMCreateEventHandler(win->view, ExposureMask|StructureNotifyMask
 183                          |ClientMessageMask|FocusChangeMask,
 184                          handleEvents, win);
 185
 186     W_ResizeView(win->view, DEFAULT_WIDTH, DEFAULT_HEIGHT);
 187
 188     WMAddNotificationObserver(realizeObserver, win,
 189                               WMViewRealizedNotification, win->view);
 190
 191     win->flags.style = style;
 192
 193     win->level = WMNormalWindowLevel;
 194
 195     /* kluge. Find a better solution */
 196     W_SetFocusOfTopLevel(win->view, win->view);
 197
 198     return win;
 199 }
 200
 201
 202 void
 203 WMSetWindowTitle(WMWindow *win, char *title)
 204 {
 205     XTextProperty property;
 206     int result;
 207
 208     if (win->title!=NULL)
 209         wfree(win->title);
 210     if (title!=NULL)
 211         win->title = wstrdup(title);
 212     else
 213         win->title = NULL;
 214
 215     if (win->view->flags.realized) {
 216         result = XmbTextListToTextProperty (win->view->screen->display,
 217                                             &title, 1, XStdICCTextStyle,
 218                                             &property);
 219         if (result == XNoMemory || result == XLocaleNotSupported) {
 220             wwarning("window title conversion error... using STRING encoding");
 221             XStoreName(win->view->screen->display, win->view->window, title);
 222         } else {
 223             XSetWMName(win->view->screen->display, win->view->window, &property);
 224             if (property.value)
 225                 XFree(property.value);
 226         }
 227     }
 228 }
 229
 230
 231
 232
 233 void
 234 WMSetWindowCloseAction(WMWindow *win, WMAction *action, void *clientData)
 235 {
 236     Atom *atoms = NULL;
 237     Atom *newAtoms;
 238     int count;
 239     WMScreen *scr = win->view->screen;
 240
 241     if (win->view->flags.realized) {
 242         if (action && !win->closeAction) {
 243             if (!XGetWMProtocols(scr->display, win->view->window, &atoms,
 244                                 &count)) {
 245                 count = 0;
 246             }
 247             newAtoms = wmalloc((count+1)*sizeof(Atom));
 248             if (count > 0)
 249                 memcpy(newAtoms, atoms, count*sizeof(Atom));
 250             newAtoms[count++] = scr->deleteWindowAtom;
 251             XSetWMProtocols(scr->display, win->view->window, newAtoms, count);
 252             if (atoms)
 253                 XFree(atoms);
 254             wfree(newAtoms);
 255         } else if (!action && win->closeAction) {
 256             int i, ncount;
 257
 258             if (XGetWMProtocols(scr->display, win->view->window, &atoms,
 259                                  &count) && count>0) {
 260                 newAtoms = wmalloc((count-1)*sizeof(Atom));
 261                 ncount = 0;
 262                 for (i=0; i < count; i++) {
 263                     if (atoms[i]!=scr->deleteWindowAtom) {
 264                         newAtoms[i] = atoms[i];
 265                         ncount++;
 266                     }
 267                 }
 268                 XSetWMProtocols(scr->display, win->view->window, newAtoms,
 269                                 ncount);
 270                 if (atoms)
 271                     XFree(atoms);
 272                 wfree(newAtoms);
 273             }
 274         }
 275     }
 276     win->closeAction = action;
 277     win->closeData = clientData;
 278 }
 279
 280
 281
 282 static void
 283 willResizeWindow(W_ViewDelegate *self, WMView *view,
 284              unsigned *width, unsigned *height)
 285 {
 286     WMWindow *win = (WMWindow*)view->self;
 287
 288     if (win->minSize.width > 0 && win->minSize.height > 0) {
 289         if (*width < win->minSize.width)
 290             *width = win->minSize.width;
 291         if (*height < win->minSize.height)
 292             *height = win->minSize.height;
 293     }
 294
 295     if (win->maxSize.width > 0 && win->maxSize.height > 0) {
 296         if (*width > win->maxSize.width)
 297             *width = win->maxSize.width;
 298         if (*height > win->maxSize.height)
 299             *height = win->maxSize.height;
 300     }
 301 }
 302
 303
 304 static void
 305 setSizeHints(WMWindow *win)
 306 {
 307     XSizeHints *hints;
 308
 309     hints = XAllocSizeHints();
 310     if (!hints) {
 311         wwarning("could not allocate memory for window size hints");
 312         return;
 313     }
 314
 315     hints->flags = 0;
 316
 317     if (win->flags.setPPos) {
 318         hints->flags |= PPosition;
 319         hints->x = win->ppos.x;
 320         hints->y = win->ppos.y;
 321     }
 322     if (win->flags.setUPos) {
 323         hints->flags |= USPosition;
 324         hints->x = win->upos.x;
 325         hints->y = win->upos.y;
 326     }
 327     if (win->minSize.width>0 && win->minSize.height>0) {
 328         hints->flags |= PMinSize;
 329         hints->min_width = win->minSize.width;
 330         hints->min_height = win->minSize.height;
 331     }
 332     if (win->maxSize.width>0 && win->maxSize.height>0) {
 333         hints->flags |= PMaxSize;
 334         hints->max_width = win->maxSize.width;
 335         hints->max_height = win->maxSize.height;
 336     }
 337     if (win->baseSize.width>0 && win->baseSize.height>0) {
 338         hints->flags |= PBaseSize;
 339         hints->base_width = win->baseSize.width;
 340         hints->base_height = win->baseSize.height;
 341     }
 342     if (win->resizeIncrement.width>0 && win->resizeIncrement.height>0) {
 343         hints->flags |= PResizeInc;
 344         hints->width_inc = win->resizeIncrement.width;
 345         hints->height_inc = win->resizeIncrement.height;
 346     }
 347     if (win->flags.setAspect) {
 348         hints->flags |= PAspect;
 349         hints->min_aspect.x = win->minAspect.x;
 350         hints->min_aspect.y = win->minAspect.y;
 351         hints->max_aspect.x = win->maxAspect.x;
 352         hints->max_aspect.y = win->maxAspect.y;
 353     }
 354
 355
 356     if (hints->flags) {
 357         XSetWMNormalHints(win->view->screen->display, win->view->window, hints);
 358     }
 359     XFree(hints);
 360 }
 361
 362
 363
 364 static void
 365 writeGNUstepWMAttr(WMScreen *scr, Window window, GNUstepWMAttributes *attr)
 366 {
 367     unsigned long data[9];
 368
 369     /* handle idiot compilers where array of CARD32 != struct of CARD32 */
 370     data[0] = attr->flags;
 371     data[1] = attr->window_style;
 372     data[2] = attr->window_level;
 373     data[3] = 0;                       /* reserved */
 374     /* The X protocol says XIDs are 32bit */
 375     data[4] = attr->miniaturize_pixmap;
 376     data[5] = attr->close_pixmap;
 377     data[6] = attr->miniaturize_mask;
 378     data[7] = attr->close_mask;
 379     data[8] = attr->extra_flags;
 380     XChangeProperty(scr->display, window, scr->attribsAtom, scr->attribsAtom,
 381                     32, PropModeReplace,  (unsigned char *)data, 9);
 382 }
 383
 384
 385 static void
 386 setWindowMakerHints(WMWindow *win)
 387 {
 388     GNUstepWMAttributes attribs;
 389     WMScreen *scr = WMWidgetScreen(win);
 390
 391     memset(&attribs, 0, sizeof(GNUstepWMAttributes));
 392     attribs.flags = GSWindowStyleAttr|GSWindowLevelAttr|GSExtraFlagsAttr;
 393     attribs.window_style = win->flags.style;
 394     attribs.window_level = win->level;
 395     if (win->flags.documentEdited)
 396         attribs.extra_flags = GSDocumentEditedFlag;
 397     else
 398         attribs.extra_flags = 0;
 399
 400     writeGNUstepWMAttr(scr, win->view->window, &attribs);
 401 }
 402
 403
 404 static void
 405 realizeWindow(WMWindow *win)
 406 {
 407     XWMHints *hints;
 408     XClassHint *classHint;
 409     WMScreen *scr = win->view->screen;
 410     Atom atoms[4];
 411     int count;
 412
 413     classHint = XAllocClassHint();
 414     classHint->res_name = win->wname;
 415     classHint->res_class = WMGetApplicationName();
 416     XSetClassHint(scr->display, win->view->window, classHint);
 417     XFree(classHint);
 418
 419     hints = XAllocWMHints();
 420     hints->flags = 0;
 421     if (!scr->aflags.simpleApplication) {
 422         hints->flags |= WindowGroupHint;
 423         hints->window_group = scr->groupLeader;
 424     }
 425     if (win->miniImage) {
 426         hints->flags |= IconPixmapHint;
 427         hints->icon_pixmap = WMGetPixmapXID(win->miniImage);
 428         hints->icon_mask = WMGetPixmapMaskXID(win->miniImage);
 429         if (hints->icon_mask != None) {
 430             hints->flags |= IconMaskHint;
 431         }
 432     }
 433     if (hints->flags != 0)
 434         XSetWMHints(scr->display, win->view->window, hints);
 435     XFree(hints);
 436
 437     count = 0;
 438     if (win->closeAction) {
 439         atoms[count++] = scr->deleteWindowAtom;
 440     }
 441
 442     if (count>0)
 443         XSetWMProtocols(scr->display, win->view->window, atoms, count);
 444
 445     if (win->title || win->miniTitle)
 446         XmbSetWMProperties(scr->display, win->view->window, win->title,
 447                            win->miniTitle, NULL, 0, NULL, NULL, NULL);
 448
 449     setWindowMakerHints(win);
 450
 451     setSizeHints(win);
 452
 453     if (win->owner) {
 454         XSetTransientForHint(scr->display, win->view->window,
 455                              win->owner->view->window);
 456     }
 457 }
 458
 459
 460
 461 void
 462 WMSetWindowAspectRatio(WMWindow *win, int minX, int minY,
 463                        int maxX, int maxY)
 464 {
 465     win->flags.setAspect = 1;
 466     win->minAspect.x = minX;
 467     win->minAspect.y = minY;
 468     win->maxAspect.x = maxX;
 469     win->maxAspect.y = maxY;
 470     if (win->view->flags.realized)
 471         setSizeHints(win);
 472 }
 473
 474
 475
 476 void
 477 WMSetWindowInitialPosition(WMWindow *win, int x, int y)
 478 {
 479     win->flags.setPPos = 1;
 480     win->ppos.x = x;
 481     win->ppos.y = y;
 482     if (win->view->flags.realized)
 483         setSizeHints(win);
 484     WMMoveWidget(win, x, y);
 485 }
 486
 487
 488
 489 void
 490 WMSetWindowUserPosition(WMWindow *win, int x, int y)
 491 {
 492     win->flags.setUPos = 1;
 493     win->upos.x = x;
 494     win->upos.y = y;
 495     if (win->view->flags.realized)
 496         setSizeHints(win);
 497     WMMoveWidget(win, x, y);
 498 }
 499
 500
 501
 502
 503 void
 504 WMSetWindowMinSize(WMWindow *win, unsigned width, unsigned height)
 505 {
 506     win->minSize.width = width;
 507     win->minSize.height = height;
 508     if (win->view->flags.realized)
 509         setSizeHints(win);
 510 }
 511
 512
 513
 514 void
 515 WMSetWindowMaxSize(WMWindow *win, unsigned width, unsigned height)
 516 {
 517     win->maxSize.width = width;
 518     win->maxSize.height = height;
 519     if (win->view->flags.realized)
 520         setSizeHints(win);
 521 }
 522
 523
 524 void
 525 WMSetWindowBaseSize(WMWindow *win, unsigned width, unsigned height)
 526 {
 527     /* TODO: validate sizes */
 528     win->baseSize.width = width;
 529     win->baseSize.height = height;
 530     if (win->view->flags.realized)
 531         setSizeHints(win);
 532 }
 533
 534
 535 void
 536 WMSetWindowResizeIncrements(WMWindow *win, unsigned wIncr, unsigned hIncr)
 537 {
 538     win->resizeIncrement.width = wIncr;
 539     win->resizeIncrement.height = hIncr;
 540     if (win->view->flags.realized)
 541         setSizeHints(win);
 542 }
 543
 544
 545 void
 546 WMSetWindowLevel(WMWindow *win, int level)
 547 {
 548     win->level = level;
 549     if (win->view->flags.realized)
 550         setWindowMakerHints(win);
 551 }
 552
 553
 554 void
 555 WMSetWindowDocumentEdited(WMWindow *win, Bool flag)
 556 {
 557     if (win->flags.documentEdited != flag) {
 558         win->flags.documentEdited = flag;
 559         if (win->view->flags.realized)
 560             setWindowMakerHints(win);
 561     }
 562 }
 563
 564
 565 void
 566 WMSetWindowMiniwindowImage(WMWindow *win, WMPixmap *pixmap)
 567 {
 568     if ((win->miniImage && !pixmap) || (!win->miniImage && pixmap)) {
 569         if (win->miniImage)
 570             WMReleasePixmap(win->miniImage);
 571
 572         if (pixmap)
 573             win->miniImage = WMRetainPixmap(pixmap);
 574         else
 575             win->miniImage = NULL;
 576
 577         if (win->view->flags.realized) {
 578             XWMHints *hints;
 579
 580             hints = XGetWMHints(win->view->screen->display, win->view->window);
 581             if (!hints) {
 582                 hints = XAllocWMHints();
 583                 if (!hints) {
 584                     wwarning("could not allocate memory for WM hints");
 585                     return;
 586                 }
 587                 hints->flags = 0;
 588             }
 589             if (pixmap) {
 590                 hints->flags |= IconPixmapHint;
 591                 hints->icon_pixmap = WMGetPixmapXID(pixmap);
 592                 hints->icon_mask = WMGetPixmapMaskXID(pixmap);
 593                 if (hints->icon_mask != None) {
 594                     hints->flags |= IconMaskHint;
 595                 }
 596             }
 597             XSetWMHints(win->view->screen->display, win->view->window, hints);
 598             XFree(hints);
 599         }
 600     }
 601 }
 602
 603
 604 void
 605 WMSetWindowMiniwindowTitle(WMWindow *win, char *title)
 606 {
 607     XTextProperty property;
 608     int result;
 609
 610     if ((win->miniTitle && !title) || (!win->miniTitle && title)
 611         || (title && win->miniTitle && strcoll(title, win->miniTitle)!=0)) {
 612         if (win->miniTitle)
 613             wfree(win->miniTitle);
 614
 615         if (title)
 616             win->miniTitle = wstrdup(title);
 617         else
 618             win->miniTitle = NULL;
 619
 620         if (win->view->flags.realized) {
 621             result = XmbTextListToTextProperty (win->view->screen->display,
 622                                                 &title, 1, XStdICCTextStyle,
 623                                                 &property);
 624             if (result == XNoMemory || result == XLocaleNotSupported) {
 625                 wwarning("icon title conversion error..using STRING encoding");
 626                 XSetIconName(win->view->screen->display, win->view->window,
 627                              title);
 628             } else {
 629                 XSetWMIconName(win->view->screen->display, win->view->window,
 630                                &property);
 631                 if (property.value)
 632                     XFree(property.value);
 633             }
 634         }
 635     }
 636 }
 637
 638
 639 void
 640 WMCloseWindow(WMWindow *win)
 641 {
 642     WMUnmapWidget(win);
 643     /* withdraw the window */
 644     if (win->view->flags.realized)
 645         XWithdrawWindow(win->view->screen->display, win->view->window,
 646                         win->view->screen->screen);
 647 }
 648
 649
 650 static void
 651 handleEvents(XEvent *event, void *clientData)
 652 {
 653     _Window *win = (_Window*)clientData;
 654     W_View *view = win->view;
 655
 656
 657     switch (event->type) {
 658      case ClientMessage:
 659         if (event->xclient.message_type == win->view->screen->protocolsAtom
 660             && event->xclient.format == 32
 661             && event->xclient.data.l[0]==win->view->screen->deleteWindowAtom) {
 662
 663             if (win->closeAction) {
 664                 (*win->closeAction)(win, win->closeData);
 665             }
 666         }
 667         break;
 668 /*
 669    // was causing windows to ignore commands like closeWindow
 670  * // after the windows is iconized/restored or a workspace change
 671  * // if this is really needed, put the MapNotify portion too and
 672  * // fix the restack bug in wmaker
 673      case UnmapNotify:
 674         WMUnmapWidget(win);
 675         break;
 676  *
 677      case MapNotify:
 678         WMMapWidget(win);
 679         break;
 680
 681 */
 682      case DestroyNotify:
 683         destroyWindow(win);
 684         break;
 685
 686      case ConfigureNotify:
 687         if (event->xconfigure.width != view->size.width
 688             || event->xconfigure.height != view->size.height) {
 689
 690             view->size.width = event->xconfigure.width;
 691             view->size.height = event->xconfigure.height;
 692
 693             if (view->flags.notifySizeChanged) {
 694                 WMPostNotificationName(WMViewSizeDidChangeNotification,
 695                                        view, NULL);
 696             }
 697         }
 698         if (event->xconfigure.x != view->pos.x
 699             || event->xconfigure.y != view->pos.y) {
 700
 701             if (event->xconfigure.send_event) {
 702                 view->pos.x = event->xconfigure.x;
 703                 view->pos.y = event->xconfigure.y;
 704             } else {
 705                 Window foo;
 706
 707                 XTranslateCoordinates(view->screen->display,
 708                                       view->window, view->screen->rootWin,
 709                                       event->xconfigure.x, event->xconfigure.y,
 710                                       &view->pos.x, &view->pos.y, &foo);
 711             }
 712         }
 713         break;
 714     }
 715 }
 716
 717
 718
 719
 720 static void
 721 destroyWindow(_Window *win)
 722 {
 723     WMScreen *scr = win->view->screen;
 724
 725     WMRemoveNotificationObserver(win);
 726
 727     if (scr->windowList == win) {
 728         scr->windowList = scr->windowList->nextPtr;
 729     } else {
 730         WMWindow *ptr;
 731         ptr = scr->windowList;
 732
 733         if (ptr) {
 734             while (ptr->nextPtr) {
 735                 if (ptr->nextPtr==win) {
 736                     ptr->nextPtr = ptr->nextPtr->nextPtr;
 737                     break;
 738                 }
 739                 ptr = ptr->nextPtr;
 740             }
 741         }
 742     }
 743
 744     if (win->title) {
 745         wfree(win->title);
 746     }
 747
 748     if (win->miniTitle) {
 749         wfree(win->miniTitle);
 750     }
 751
 752     if (win->miniImage) {
 753         WMReleasePixmap(win->miniImage);
 754     }
 755
 756     if (win->wname)
 757         wfree(win->wname);
 758
 759     wfree(win);
 760 }
 761
 762