src/motif/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        motif/frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "frame.h"
  22 #endif
  23
  24
  25 #ifdef __VMS
  26 #define XtDisplay XTDISPLAY
  27 #define XtWindow XTWINDOW
  28 #define XtScreen XTSCREEN
  29 #endif
  30
  31 #include "wx/frame.h"
  32 #include "wx/statusbr.h"
  33 #include "wx/toolbar.h"
  34 #include "wx/menu.h"
  35 #include "wx/settings.h"
  36 #include "wx/utils.h"
  37 #include "wx/log.h"
  38 #include "wx/app.h"
  39 #include "wx/icon.h"
  40
  41 #ifdef __VMS__
  42     #pragma message disable nosimpint
  43 #endif
  44
  45 #if defined(__ultrix) || defined(__sgi)
  46     #include <Xm/Frame.h>
  47 #endif
  48
  49 #include <Xm/Xm.h>
  50 #include <X11/Shell.h>
  51 #include <X11/Core.h>
  52 #if XmVersion >= 1002
  53     #include <Xm/XmAll.h>
  54 #else
  55     #include <Xm/Frame.h>
  56 #endif
  57 #include <Xm/MwmUtil.h>
  58 #include <Xm/BulletinB.h>
  59 #include <Xm/Form.h>
  60 #include <Xm/MainW.h>
  61 #include <Xm/RowColumn.h>
  62 #include <Xm/Label.h>
  63 #include <Xm/AtomMgr.h>
  64 #include <Xm/LabelG.h>
  65 #include <Xm/Frame.h>
  66 #if   XmVersion > 1000
  67     #include <Xm/Protocols.h>
  68 #endif
  69
  70 #ifdef __VMS__
  71     #pragma message enable nosimpint
  72 #endif
  73
  74 #include "wx/motif/private.h"
  75 #include "wx/unix/utilsx11.h"
  76
  77 // ----------------------------------------------------------------------------
  78 // private functions
  79 // ----------------------------------------------------------------------------
  80
  81 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
  82                            XCrossingEvent* event);
  83
  84 // ----------------------------------------------------------------------------
  85 // globals
  86 // ----------------------------------------------------------------------------
  87
  88 extern wxList wxModelessWindows;
  89 extern wxList wxPendingDelete;
  90
  91 // ----------------------------------------------------------------------------
  92 // wxWin macros
  93 // ----------------------------------------------------------------------------
  94
  95 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  96     EVT_ACTIVATE(wxFrame::OnActivate)
  97     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  98 END_EVENT_TABLE()
  99
 100 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
 101
 102 // ============================================================================
 103 // implementation
 104 // ============================================================================
 105
 106 // ----------------------------------------------------------------------------
 107 // frame construction
 108 // ----------------------------------------------------------------------------
 109
 110 void wxFrame::Init()
 111 {
 112     m_iconized = FALSE;
 113
 114     //// Motif-specific
 115     m_frameShell = (WXWidget) NULL;
 116     m_mainWidget = (WXWidget) NULL;;
 117     m_workArea = (WXWidget) NULL;;
 118     m_clientArea = (WXWidget) NULL;;
 119 }
 120
 121 bool wxFrame::Create(wxWindow *parent,
 122                      wxWindowID id,
 123                      const wxString& title,
 124                      const wxPoint& pos,
 125                      const wxSize& size,
 126                      long style,
 127                      const wxString& name)
 128 {
 129     if( !wxTopLevelWindow::Create( parent, id, title, pos, size, style,
 130                                    name ) )
 131         return FALSE;
 132
 133     m_backgroundColour =
 134         wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 135     m_foregroundColour = *wxBLACK;
 136     m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 137
 138     int x = pos.x, y = pos.y;
 139     int width = size.x, height = size.y;
 140
 141     // Set reasonable values for position and size if defaults have been
 142     // requested
 143     //
 144     // MB TODO: something better than these arbitrary values ?
 145     // VZ       should use X resources for this...
 146     if ( width == -1 )
 147         width = 400;
 148     if ( height == -1 )
 149         height = 400;
 150
 151     int displayW, displayH;
 152     wxDisplaySize( &displayW, &displayH );
 153
 154     if ( x == -1 )
 155     {
 156         x = (displayW - width) / 2;
 157         if (x < 10) x = 10;
 158     }
 159     if ( y == -1 )
 160     {
 161         y = (displayH - height) / 2;
 162         if (y < 10) y = 10;
 163     }
 164
 165     SetTitle( title );
 166
 167     wxLogTrace(wxTRACE_Messages,
 168                "Created frame (0x%p) with work area 0x%p and client "
 169                "area 0x%p", m_mainWidget, m_workArea, m_clientArea);
 170
 171     XtAddEventHandler((Widget) m_clientArea, ExposureMask,FALSE,
 172         wxUniversalRepaintProc, (XtPointer) this);
 173
 174     if (x > -1)
 175         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 176     if (y > -1)
 177         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 178     if (width > -1)
 179         XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
 180     if (height > -1)
 181         XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
 182
 183     ChangeFont(FALSE);
 184
 185     ChangeBackgroundColour();
 186
 187     PreResize();
 188
 189     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 190     sizeEvent.SetEventObject(this);
 191
 192     GetEventHandler()->ProcessEvent(sizeEvent);
 193
 194     return TRUE;
 195 }
 196
 197 bool wxFrame::DoCreate( wxWindow* parent, wxWindowID id,
 198                         const wxString& title,
 199                         const wxPoint& pos,
 200                         const wxSize& size,
 201                         long style,
 202                         const wxString& name )
 203 {
 204     Widget frameShell;
 205
 206     frameShell = XtCreatePopupShell( name, topLevelShellWidgetClass,
 207                                      (Widget)wxTheApp->GetTopLevelWidget(),
 208                                      NULL, 0 );
 209
 210     XtVaSetValues(frameShell,
 211         // Allows menu to resize
 212         XmNallowShellResize, True,
 213         XmNdeleteResponse, XmDO_NOTHING,
 214         XmNmappedWhenManaged, False,
 215         XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
 216         NULL);
 217
 218     m_frameShell = (WXWidget)frameShell;
 219
 220     m_mainWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
 221         xmMainWindowWidgetClass, frameShell,
 222         XmNresizePolicy, XmRESIZE_NONE,
 223         NULL);
 224
 225     m_workArea = (WXWidget) XtVaCreateWidget("form",
 226         xmFormWidgetClass, (Widget) m_mainWidget,
 227         XmNresizePolicy, XmRESIZE_NONE,
 228         NULL);
 229
 230     m_clientArea = (WXWidget) XtVaCreateWidget("client",
 231         xmBulletinBoardWidgetClass, (Widget) m_workArea,
 232         XmNmarginWidth, 0,
 233         XmNmarginHeight, 0,
 234         XmNrightAttachment, XmATTACH_FORM,
 235         XmNleftAttachment, XmATTACH_FORM,
 236         XmNtopAttachment, XmATTACH_FORM,
 237         XmNbottomAttachment, XmATTACH_FORM,
 238         NULL);
 239
 240     XtVaSetValues((Widget) m_mainWidget,
 241         XmNworkWindow, (Widget) m_workArea,
 242         NULL);
 243
 244     XtManageChild((Widget) m_clientArea);
 245     XtManageChild((Widget) m_workArea);
 246
 247     XtTranslations ptr = XtParseTranslationTable( "<Configure>: resize()" );
 248     XtOverrideTranslations( (Widget) m_workArea, ptr );
 249     XtFree( (char *)ptr );
 250
 251     /* Part of show-&-hide fix */
 252     XtAddEventHandler( frameShell, StructureNotifyMask,
 253                        False, (XtEventHandler)wxFrameMapProc,
 254                        (XtPointer)this );
 255
 256     XtRealizeWidget(frameShell);
 257
 258     wxAddWindowToTable( (Widget)m_workArea, this);
 259     wxAddWindowToTable( (Widget)m_clientArea, this);
 260
 261     wxModelessWindows.Append( this );
 262
 263     return TRUE;
 264 }
 265
 266 wxFrame::~wxFrame()
 267 {
 268     m_isBeingDeleted = TRUE;
 269
 270     if (m_clientArea)
 271     {
 272       XtRemoveEventHandler((Widget) m_clientArea, ExposureMask, FALSE,
 273           wxUniversalRepaintProc, (XtPointer) this);
 274     }
 275
 276     if (GetMainWidget())
 277         Show(FALSE);
 278
 279     if (m_frameMenuBar)
 280     {
 281         m_frameMenuBar->DestroyMenuBar();
 282
 283         // Hack to stop core dump on Ultrix, OSF, for some strange reason.
 284 #if MOTIF_MENUBAR_DELETE_FIX
 285         GetMenuBar()->SetMainWidget((WXWidget) NULL);
 286 #endif
 287         delete m_frameMenuBar;
 288         m_frameMenuBar = NULL;
 289     }
 290
 291     if (m_frameStatusBar)
 292     {
 293         delete m_frameStatusBar;
 294         m_frameStatusBar = NULL;
 295     }
 296
 297     PreDestroy();
 298     DoDestroy();
 299 }
 300
 301 void wxFrame::DoDestroy()
 302 {
 303     Widget frameShell = (Widget)GetShellWidget();
 304
 305     if( frameShell )
 306         XtRemoveEventHandler( frameShell, StructureNotifyMask,
 307                               False, (XtEventHandler)wxFrameMapProc,
 308                               (XtPointer)this );
 309
 310     if( m_clientArea )
 311     {
 312         wxDeleteWindowFromTable( (Widget)m_clientArea );
 313         XtDestroyWidget( (Widget)m_clientArea );
 314     }
 315
 316     if( m_workArea )
 317     {
 318         XtVaSetValues( (Widget)m_mainWidget,
 319                        XmNworkWindow, (Widget)NULL,
 320                        NULL );
 321
 322         wxDeleteWindowFromTable( (Widget)m_workArea );
 323         XtDestroyWidget( (Widget)m_workArea );
 324     }
 325
 326     if( m_mainWidget )
 327         XtDestroyWidget( (Widget)m_mainWidget );
 328
 329     if( frameShell )
 330         XtDestroyWidget( frameShell );
 331 }
 332
 333 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 334 void wxFrame::DoGetClientSize(int *x, int *y) const
 335 {
 336     Dimension xx, yy;
 337     XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
 338
 339     if (m_frameStatusBar)
 340     {
 341         int sbw, sbh;
 342         m_frameStatusBar->GetSize(& sbw, & sbh);
 343         yy -= sbh;
 344     }
 345 #if wxUSE_TOOLBAR
 346     if (m_frameToolBar)
 347     {
 348         int tbw, tbh;
 349         m_frameToolBar->GetSize(& tbw, & tbh);
 350         if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 351             xx -= tbw;
 352         else
 353             yy -= tbh;
 354     }
 355 #endif // wxUSE_TOOLBAR
 356     *x = xx; *y = yy;
 357 }
 358
 359 // Set the client size (i.e. leave the calculation of borders etc.
 360 // to wxWindows)
 361 void wxFrame::DoSetClientSize(int width, int height)
 362 {
 363     // Calculate how large the new main window should be
 364     // by finding the difference between the client area and the
 365     // main window area, and adding on to the new client area
 366     if (width > -1)
 367         XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
 368
 369     if (height > -1)
 370     {
 371         if (m_frameStatusBar)
 372         {
 373             int sbw, sbh;
 374             m_frameStatusBar->GetSize(& sbw, & sbh);
 375             height += sbh;
 376         }
 377 #if wxUSE_TOOLBAR
 378         if (m_frameToolBar)
 379         {
 380             int tbw, tbh;
 381             m_frameToolBar->GetSize(& tbw, & tbh);
 382             if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 383                 width += tbw;
 384             else
 385                 height += tbh;
 386         }
 387 #endif // wxUSE_TOOLBAR
 388
 389         XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
 390     }
 391     PreResize();
 392
 393     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 394     sizeEvent.SetEventObject(this);
 395
 396     GetEventHandler()->ProcessEvent(sizeEvent);
 397
 398 }
 399
 400 void wxFrame::DoGetSize(int *width, int *height) const
 401 {
 402     Dimension xx, yy;
 403     XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
 404     *width = xx; *height = yy;
 405 }
 406
 407 void wxFrame::DoSetSize(int x, int y, int width, int height, int WXUNUSED(sizeFlags))
 408 {
 409     if (x > -1)
 410         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 411     if (y > -1)
 412         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 413     if (width > -1)
 414         XtVaSetValues((Widget) m_mainWidget, XmNwidth, width, NULL);
 415     if (height > -1)
 416         XtVaSetValues((Widget) m_mainWidget, XmNheight, height, NULL);
 417
 418     if (!(height == -1 && width == -1))
 419     {
 420         PreResize();
 421     }
 422 }
 423
 424 bool wxFrame::Show( bool show )
 425 {
 426     if( !wxTopLevelWindowMotif::Show( show ) )
 427         return FALSE;
 428
 429     m_isShown = show;
 430
 431     Widget shell = (Widget)GetShellWidget();
 432     if (!shell)
 433         return wxWindow::Show(show);
 434
 435     SetVisibleStatus(show);
 436     if (show)
 437     {
 438         XtMapWidget (shell);
 439         XRaiseWindow (XtDisplay(shell), XtWindow(shell));
 440     }
 441     else
 442     {
 443         XtUnmapWidget(shell);
 444     }
 445
 446     return TRUE;
 447 }
 448
 449 void wxFrame::SetTitle(const wxString& title)
 450 {
 451     wxString oldTitle = GetTitle();
 452     if( title == oldTitle )
 453         return;
 454
 455     wxTopLevelWindow::SetTitle( title );
 456
 457     if( !title.empty() )
 458         XtVaSetValues( (Widget)m_frameShell,
 459                        XmNtitle, title.c_str(),
 460                        XmNiconName, title.c_str(),
 461                        NULL );
 462 }
 463
 464 void wxFrame::DoSetIcon(const wxIcon& icon)
 465 {
 466     if (!m_frameShell)
 467         return;
 468
 469     if (!icon.Ok() || !icon.GetDrawable())
 470         return;
 471
 472     XtVaSetValues((Widget) m_frameShell,
 473                   XtNiconPixmap, icon.GetDrawable(),
 474                   NULL);
 475 }
 476
 477 void wxFrame::SetIcon(const wxIcon& icon)
 478 {
 479     SetIcons( wxIconBundle( icon ) );
 480 }
 481
 482 void wxFrame::SetIcons(const wxIconBundle& icons)
 483 {
 484     wxFrameBase::SetIcons( icons );
 485
 486     if (!m_frameShell)
 487         return;
 488
 489     DoSetIcon( m_icons.GetIcon( -1 ) );
 490     wxSetIconsX11(GetXDisplay(),
 491                   (WXWindow) XtWindow( (Widget) m_frameShell ), icons);
 492 }
 493
 494 void wxFrame::PositionStatusBar()
 495 {
 496     if (!m_frameStatusBar)
 497         return;
 498
 499     int w, h;
 500     GetClientSize(&w, &h);
 501     int sw, sh;
 502     m_frameStatusBar->GetSize(&sw, &sh);
 503
 504     // Since we wish the status bar to be directly under the client area,
 505     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 506     m_frameStatusBar->SetSize(0, h, w, sh);
 507 }
 508
 509 WXWidget wxFrame::GetMenuBarWidget() const
 510 {
 511     if (GetMenuBar())
 512         return GetMenuBar()->GetMainWidget();
 513     else
 514         return (WXWidget) NULL;
 515 }
 516
 517 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 518 {
 519     if (!menuBar)
 520     {
 521         m_frameMenuBar = NULL;
 522         return;
 523     }
 524
 525     // Currently can't set it twice
 526     //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 527
 528     if (m_frameMenuBar)
 529     {
 530         m_frameMenuBar->DestroyMenuBar();
 531         delete m_frameMenuBar;
 532     }
 533
 534     m_frameMenuBar = menuBar;
 535     m_frameMenuBar->CreateMenuBar(this);
 536 }
 537
 538 // Responds to colour changes, and passes event on to children.
 539 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 540 {
 541     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 542     Refresh();
 543
 544     if ( m_frameStatusBar )
 545     {
 546         wxSysColourChangedEvent event2;
 547         event2.SetEventObject( m_frameStatusBar );
 548         m_frameStatusBar->ProcessEvent(event2);
 549     }
 550
 551     // Propagate the event to the non-top-level children
 552     wxWindow::OnSysColourChanged(event);
 553 }
 554
 555 // Default activation behaviour - set the focus for the first child
 556 // subwindow found.
 557 void wxFrame::OnActivate(wxActivateEvent& event)
 558 {
 559     if (!event.GetActive())
 560         return;
 561
 562     for(wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); node;
 563         node = node->GetNext())
 564     {
 565         // Find a child that's a subwindow, but not a dialog box.
 566         wxWindow *child = node->GetData();
 567         if (!child->IsTopLevel())
 568         {
 569             child->SetFocus();
 570             return;
 571         }
 572     }
 573 }
 574
 575 void wxFrame::SendSizeEvent()
 576 {
 577     wxSizeEvent event(GetSize(), GetId());
 578     event.SetEventObject(this);
 579     GetEventHandler()->AddPendingEvent(event);
 580 }
 581
 582 #if wxUSE_TOOLBAR
 583
 584 wxToolBar* wxFrame::CreateToolBar(long style,
 585                                   wxWindowID id,
 586                                   const wxString& name)
 587 {
 588     if ( wxFrameBase::CreateToolBar(style, id, name) )
 589     {
 590         PositionToolBar();
 591     }
 592
 593     return m_frameToolBar;
 594 }
 595
 596 void wxFrame::SetToolBar(wxToolBar *toolbar)
 597 {
 598     wxFrameBase::SetToolBar(toolbar);
 599     SendSizeEvent();
 600 }
 601
 602 void wxFrame::PositionToolBar()
 603 {
 604     wxToolBar* tb = GetToolBar();
 605     if (tb)
 606     {
 607         int cw, ch;
 608         GetClientSize(& cw, &ch);
 609
 610         int tw, th;
 611         tb->GetSize(& tw, & th);
 612
 613         if (tb->GetWindowStyleFlag() & wxTB_VERTICAL)
 614         {
 615             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 616             // means, pretend we don't have toolbar/status bar, so we
 617             // have the original client size.
 618             th = ch + th;
 619         }
 620         else
 621         {
 622             // Use the 'real' position
 623             tw = cw;
 624         }
 625
 626         tb->SetSize(0, 0, -1, -1, wxSIZE_NO_ADJUSTMENTS);
 627     }
 628 }
 629 #endif // wxUSE_TOOLBAR
 630
 631 //// Motif-specific
 632 bool wxFrame::PreResize()
 633 {
 634 #if wxUSE_TOOLBAR
 635     PositionToolBar();
 636 #endif // wxUSE_TOOLBAR
 637
 638 #if wxUSE_STATUSBAR
 639     PositionStatusBar();
 640 #endif // wxUSE_STATUSBAR
 641
 642     return TRUE;
 643 }
 644
 645 WXWidget wxFrame::GetClientWidget() const
 646 {
 647     return m_clientArea;
 648 }
 649
 650 void wxFrame::ChangeFont(bool WXUNUSED(keepOriginalSize))
 651 {
 652     // TODO
 653 }
 654
 655 void wxFrame::ChangeBackgroundColour()
 656 {
 657     if (GetClientWidget())
 658         wxDoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
 659 }
 660
 661 void wxFrame::ChangeForegroundColour()
 662 {
 663     if (GetClientWidget())
 664         wxDoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
 665 }
 666
 667 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
 668 static void wxFrameMapProc( Widget frameShell, XtPointer clientData,
 669                             XCrossingEvent* event )
 670 {
 671     wxFrame *tli = (wxFrame*)clientData;
 672
 673     XEvent *e = (XEvent *)event;
 674
 675     if( e->xany.type == MapNotify )
 676     {
 677         // Iconize fix
 678         XtVaSetValues( frameShell, XmNiconic, (Boolean)False, NULL );
 679         if( !tli->GetVisibleStatus() )
 680         {
 681             /* We really wanted this to be hidden! */
 682             XtUnmapWidget( frameShell );
 683         }
 684     }
 685     else if( e->xany.type == UnmapNotify )
 686         // Iconize fix
 687         XtVaSetValues( frameShell, XmNiconic, (Boolean)True, NULL );
 688 }