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 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __VMS
  28 #define XtDisplay XTDISPLAY
  29 #define XtWindow XTWINDOW
  30 #define XtScreen XTSCREEN
  31 #endif
  32
  33 #include "wx/frame.h"
  34 #include "wx/statusbr.h"
  35 #include "wx/toolbar.h"
  36 #include "wx/menu.h"
  37 #include "wx/settings.h"
  38 #include "wx/utils.h"
  39 #include "wx/log.h"
  40 #include "wx/app.h"
  41 #include "wx/icon.h"
  42
  43 #ifdef __VMS__
  44     #pragma message disable nosimpint
  45 #endif
  46
  47 #if defined(__ultrix) || defined(__sgi)
  48     #include <Xm/Frame.h>
  49 #endif
  50
  51 #include <Xm/Xm.h>
  52 #include <X11/Shell.h>
  53 #include <X11/Core.h>
  54 #if XmVersion >= 1002
  55     #include <Xm/XmAll.h>
  56 #else
  57     #include <Xm/Frame.h>
  58 #endif
  59 #include <Xm/MwmUtil.h>
  60 #include <Xm/BulletinB.h>
  61 #include <Xm/Form.h>
  62 #include <Xm/MainW.h>
  63 #include <Xm/RowColumn.h>
  64 #include <Xm/Label.h>
  65 #include <Xm/AtomMgr.h>
  66 #include <Xm/LabelG.h>
  67 #include <Xm/Frame.h>
  68 #if   XmVersion > 1000
  69     #include <Xm/Protocols.h>
  70 #endif
  71
  72 #ifdef __VMS__
  73     #pragma message enable nosimpint
  74 #endif
  75
  76 #include "wx/motif/private.h"
  77 #include "wx/unix/utilsx11.h"
  78
  79 // ----------------------------------------------------------------------------
  80 // private functions
  81 // ----------------------------------------------------------------------------
  82
  83 static void wxFrameMapProc(Widget frameShell, XtPointer clientData,
  84                            XCrossingEvent* event);
  85
  86 // ----------------------------------------------------------------------------
  87 // globals
  88 // ----------------------------------------------------------------------------
  89
  90 extern wxList wxModelessWindows;
  91 extern wxList wxPendingDelete;
  92
  93 // ----------------------------------------------------------------------------
  94 // wxWin macros
  95 // ----------------------------------------------------------------------------
  96
  97 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  98     EVT_ACTIVATE(wxFrame::OnActivate)
  99     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
 100 END_EVENT_TABLE()
 101
 102 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
 103
 104 // ============================================================================
 105 // implementation
 106 // ============================================================================
 107
 108 // ----------------------------------------------------------------------------
 109 // frame construction
 110 // ----------------------------------------------------------------------------
 111
 112 void wxFrame::Init()
 113 {
 114     m_iconized = FALSE;
 115
 116     //// Motif-specific
 117     m_frameShell = (WXWidget) NULL;
 118     m_mainWidget = (WXWidget) NULL;;
 119     m_workArea = (WXWidget) NULL;;
 120     m_clientArea = (WXWidget) NULL;;
 121 }
 122
 123 bool wxFrame::Create(wxWindow *parent,
 124                      wxWindowID id,
 125                      const wxString& title,
 126                      const wxPoint& pos,
 127                      const wxSize& size,
 128                      long style,
 129                      const wxString& name)
 130 {
 131     if( !wxTopLevelWindow::Create( parent, id, title, pos, size, style,
 132                                    name ) )
 133         return FALSE;
 134
 135     m_backgroundColour =
 136         wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 137     m_foregroundColour = *wxBLACK;
 138     m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 139
 140     int x = pos.x, y = pos.y;
 141     int width = size.x, height = size.y;
 142
 143     // Set reasonable values for position and size if defaults have been
 144     // requested
 145     //
 146     // MB TODO: something better than these arbitrary values ?
 147     // VZ       should use X resources for this...
 148     if ( width == -1 )
 149         width = 400;
 150     if ( height == -1 )
 151         height = 400;
 152
 153     int displayW, displayH;
 154     wxDisplaySize( &displayW, &displayH );
 155
 156     if ( x == -1 )
 157     {
 158         x = (displayW - width) / 2;
 159         if (x < 10) x = 10;
 160     }
 161     if ( y == -1 )
 162     {
 163         y = (displayH - height) / 2;
 164         if (y < 10) y = 10;
 165     }
 166
 167     SetTitle( title );
 168
 169     wxLogTrace(wxTRACE_Messages,
 170                "Created frame (0x%p) with work area 0x%p and client "
 171                "area 0x%p", m_mainWidget, m_workArea, m_clientArea);
 172
 173     XtAddEventHandler((Widget) m_clientArea, ExposureMask,FALSE,
 174         wxUniversalRepaintProc, (XtPointer) this);
 175
 176     if (x > -1)
 177         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 178     if (y > -1)
 179         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 180     if (width > -1)
 181         XtVaSetValues((Widget) m_frameShell, XmNwidth, width, NULL);
 182     if (height > -1)
 183         XtVaSetValues((Widget) m_frameShell, XmNheight, height, NULL);
 184
 185     ChangeFont(FALSE);
 186
 187     ChangeBackgroundColour();
 188
 189     PreResize();
 190
 191     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 192     sizeEvent.SetEventObject(this);
 193
 194     GetEventHandler()->ProcessEvent(sizeEvent);
 195
 196     return TRUE;
 197 }
 198
 199 bool wxFrame::DoCreate( wxWindow* parent, wxWindowID id,
 200                         const wxString& title,
 201                         const wxPoint& pos,
 202                         const wxSize& size,
 203                         long style,
 204                         const wxString& name )
 205 {
 206     Widget frameShell;
 207
 208     frameShell = XtCreatePopupShell( name, topLevelShellWidgetClass,
 209                                      (Widget)wxTheApp->GetTopLevelWidget(),
 210                                      NULL, 0 );
 211
 212     XtVaSetValues(frameShell,
 213         // Allows menu to resize
 214         XmNallowShellResize, True,
 215         XmNdeleteResponse, XmDO_NOTHING,
 216         XmNmappedWhenManaged, False,
 217         XmNiconic, (style & wxICONIZE) ? TRUE : FALSE,
 218         NULL);
 219
 220     m_frameShell = (WXWidget)frameShell;
 221
 222     m_mainWidget = (WXWidget) XtVaCreateManagedWidget("main_window",
 223         xmMainWindowWidgetClass, frameShell,
 224         XmNresizePolicy, XmRESIZE_NONE,
 225         NULL);
 226
 227     m_workArea = (WXWidget) XtVaCreateWidget("form",
 228         xmFormWidgetClass, (Widget) m_mainWidget,
 229         XmNresizePolicy, XmRESIZE_NONE,
 230         NULL);
 231
 232     m_clientArea = (WXWidget) XtVaCreateWidget("client",
 233         xmBulletinBoardWidgetClass, (Widget) m_workArea,
 234         XmNmarginWidth, 0,
 235         XmNmarginHeight, 0,
 236         XmNrightAttachment, XmATTACH_FORM,
 237         XmNleftAttachment, XmATTACH_FORM,
 238         XmNtopAttachment, XmATTACH_FORM,
 239         XmNbottomAttachment, XmATTACH_FORM,
 240         NULL);
 241
 242     XtVaSetValues((Widget) m_mainWidget,
 243         XmNworkWindow, (Widget) m_workArea,
 244         NULL);
 245
 246     XtManageChild((Widget) m_clientArea);
 247     XtManageChild((Widget) m_workArea);
 248
 249     XtTranslations ptr = XtParseTranslationTable( "<Configure>: resize()" );
 250     XtOverrideTranslations( (Widget) m_workArea, ptr );
 251     XtFree( (char *)ptr );
 252
 253     /* Part of show-&-hide fix */
 254     XtAddEventHandler( frameShell, StructureNotifyMask,
 255                        False, (XtEventHandler)wxFrameMapProc,
 256                        (XtPointer)this );
 257
 258     XtRealizeWidget(frameShell);
 259
 260     wxAddWindowToTable( (Widget)m_workArea, this);
 261     wxAddWindowToTable( (Widget)m_clientArea, this);
 262
 263     wxModelessWindows.Append( this );
 264
 265     return TRUE;
 266 }
 267
 268 wxFrame::~wxFrame()
 269 {
 270     m_isBeingDeleted = TRUE;
 271
 272     if (m_clientArea)
 273     {
 274       XtRemoveEventHandler((Widget) m_clientArea, ExposureMask, FALSE,
 275           wxUniversalRepaintProc, (XtPointer) this);
 276     }
 277
 278     if (GetMainWidget())
 279         Show(FALSE);
 280
 281     if (m_frameMenuBar)
 282     {
 283         m_frameMenuBar->DestroyMenuBar();
 284
 285         // Hack to stop core dump on Ultrix, OSF, for some strange reason.
 286 #if MOTIF_MENUBAR_DELETE_FIX
 287         GetMenuBar()->SetMainWidget((WXWidget) NULL);
 288 #endif
 289         delete m_frameMenuBar;
 290         m_frameMenuBar = NULL;
 291     }
 292
 293     if (m_frameStatusBar)
 294     {
 295         delete m_frameStatusBar;
 296         m_frameStatusBar = NULL;
 297     }
 298
 299     PreDestroy();
 300     DoDestroy();
 301 }
 302
 303 void wxFrame::DoDestroy()
 304 {
 305     Widget frameShell = (Widget)GetShellWidget();
 306
 307     if( frameShell )
 308         XtRemoveEventHandler( frameShell, StructureNotifyMask,
 309                               False, (XtEventHandler)wxFrameMapProc,
 310                               (XtPointer)this );
 311
 312     if( m_clientArea )
 313     {
 314         wxDeleteWindowFromTable( (Widget)m_clientArea );
 315         XtDestroyWidget( (Widget)m_clientArea );
 316     }
 317
 318     if( m_workArea )
 319     {
 320         XtVaSetValues( (Widget)m_mainWidget,
 321                        XmNworkWindow, (Widget)NULL,
 322                        NULL );
 323
 324         wxDeleteWindowFromTable( (Widget)m_workArea );
 325         XtDestroyWidget( (Widget)m_workArea );
 326     }
 327
 328     if( m_mainWidget )
 329         XtDestroyWidget( (Widget)m_mainWidget );
 330
 331     if( frameShell )
 332         XtDestroyWidget( frameShell );
 333 }
 334
 335 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 336 void wxFrame::DoGetClientSize(int *x, int *y) const
 337 {
 338     Dimension xx, yy;
 339     XtVaGetValues((Widget) m_workArea, XmNwidth, &xx, XmNheight, &yy, NULL);
 340
 341     if (m_frameStatusBar)
 342     {
 343         int sbw, sbh;
 344         m_frameStatusBar->GetSize(& sbw, & sbh);
 345         yy -= sbh;
 346     }
 347 #if wxUSE_TOOLBAR
 348     if (m_frameToolBar)
 349     {
 350         int tbw, tbh;
 351         m_frameToolBar->GetSize(& tbw, & tbh);
 352         if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 353             xx -= tbw;
 354         else
 355             yy -= tbh;
 356     }
 357 #endif // wxUSE_TOOLBAR
 358
 359 //CE found a call here with NULL y pointer
 360     if (x)
 361         *x = xx;
 362     if (y)
 363         *y = yy;
 364 }
 365
 366 // Set the client size (i.e. leave the calculation of borders etc.
 367 // to wxWidgets)
 368 void wxFrame::DoSetClientSize(int width, int height)
 369 {
 370     // Calculate how large the new main window should be
 371     // by finding the difference between the client area and the
 372     // main window area, and adding on to the new client area
 373     if (width > -1)
 374         XtVaSetValues((Widget) m_workArea, XmNwidth, width, NULL);
 375
 376     if (height > -1)
 377     {
 378         if (m_frameStatusBar)
 379         {
 380             int sbw, sbh;
 381             m_frameStatusBar->GetSize(& sbw, & sbh);
 382             height += sbh;
 383         }
 384 #if wxUSE_TOOLBAR
 385         if (m_frameToolBar)
 386         {
 387             int tbw, tbh;
 388             m_frameToolBar->GetSize(& tbw, & tbh);
 389             if (m_frameToolBar->GetWindowStyleFlag() & wxTB_VERTICAL)
 390                 width += tbw;
 391             else
 392                 height += tbh;
 393         }
 394 #endif // wxUSE_TOOLBAR
 395
 396         XtVaSetValues((Widget) m_workArea, XmNheight, height, NULL);
 397     }
 398     PreResize();
 399
 400     wxSizeEvent sizeEvent(wxSize(width, height), GetId());
 401     sizeEvent.SetEventObject(this);
 402
 403     GetEventHandler()->ProcessEvent(sizeEvent);
 404
 405 }
 406
 407 void wxFrame::DoGetSize(int *width, int *height) const
 408 {
 409     Dimension xx, yy;
 410     XtVaGetValues((Widget) m_frameShell, XmNwidth, &xx, XmNheight, &yy, NULL);
 411     *width = xx; *height = yy;
 412 }
 413
 414 void wxFrame::DoSetSize(int x, int y, int width, int height, int WXUNUSED(sizeFlags))
 415 {
 416     if (x > -1)
 417         XtVaSetValues((Widget) m_frameShell, XmNx, x, NULL);
 418     if (y > -1)
 419         XtVaSetValues((Widget) m_frameShell, XmNy, y, NULL);
 420     if (width > -1)
 421         XtVaSetValues((Widget) m_mainWidget, XmNwidth, width, NULL);
 422     if (height > -1)
 423         XtVaSetValues((Widget) m_mainWidget, XmNheight, height, NULL);
 424
 425     if (!(height == -1 && width == -1))
 426     {
 427         PreResize();
 428     }
 429 }
 430
 431 bool wxFrame::Show( bool show )
 432 {
 433     if( !wxWindowBase::Show( show ) )
 434         return false;
 435
 436     m_isShown = show;
 437
 438     Widget shell = (Widget)GetShellWidget();
 439     if (!shell)
 440         return wxWindow::Show(show);
 441
 442     SetVisibleStatus(show);
 443     if (show)
 444     {
 445         XtPopup(shell, XtGrabNone);
 446     }
 447     else
 448     {
 449         XtPopdown(shell);
 450     }
 451
 452     return true;
 453 }
 454
 455 void wxFrame::SetTitle(const wxString& title)
 456 {
 457     wxString oldTitle = GetTitle();
 458     if( title == oldTitle )
 459         return;
 460
 461     wxTopLevelWindow::SetTitle( title );
 462
 463     if( !title.empty() )
 464         XtVaSetValues( (Widget)m_frameShell,
 465                        XmNtitle, title.c_str(),
 466                        XmNiconName, title.c_str(),
 467                        NULL );
 468 }
 469
 470 void wxFrame::DoSetIcon(const wxIcon& icon)
 471 {
 472     if (!m_frameShell)
 473         return;
 474
 475     if (!icon.Ok() || !icon.GetDrawable())
 476         return;
 477
 478     XtVaSetValues((Widget) m_frameShell,
 479                   XtNiconPixmap, icon.GetDrawable(),
 480                   NULL);
 481 }
 482
 483 void wxFrame::SetIcon(const wxIcon& icon)
 484 {
 485     SetIcons( wxIconBundle( icon ) );
 486 }
 487
 488 void wxFrame::SetIcons(const wxIconBundle& icons)
 489 {
 490     wxFrameBase::SetIcons( icons );
 491
 492     if (!m_frameShell)
 493         return;
 494
 495     DoSetIcon( m_icons.GetIcon( -1 ) );
 496     wxSetIconsX11(GetXDisplay(),
 497                   (WXWindow) XtWindow( (Widget) m_frameShell ), icons);
 498 }
 499
 500 void wxFrame::PositionStatusBar()
 501 {
 502     if (!m_frameStatusBar)
 503         return;
 504
 505     int w, h;
 506     GetClientSize(&w, &h);
 507     int sw, sh;
 508     m_frameStatusBar->GetSize(&sw, &sh);
 509
 510     // Since we wish the status bar to be directly under the client area,
 511     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 512     m_frameStatusBar->SetSize(0, h, w, sh);
 513 }
 514
 515 WXWidget wxFrame::GetMenuBarWidget() const
 516 {
 517     if (GetMenuBar())
 518         return GetMenuBar()->GetMainWidget();
 519     else
 520         return (WXWidget) NULL;
 521 }
 522
 523 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 524 {
 525     if (!menuBar)
 526     {
 527         m_frameMenuBar = NULL;
 528         return;
 529     }
 530
 531     // Currently can't set it twice
 532     //    wxASSERT_MSG( (m_frameMenuBar == (wxMenuBar*) NULL), "Cannot set the menubar more than once");
 533
 534     if (m_frameMenuBar)
 535     {
 536         m_frameMenuBar->DestroyMenuBar();
 537         delete m_frameMenuBar;
 538     }
 539
 540     m_frameMenuBar = menuBar;
 541     m_frameMenuBar->CreateMenuBar(this);
 542 }
 543
 544 // Responds to colour changes, and passes event on to children.
 545 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 546 {
 547     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 548     Refresh();
 549
 550     if ( m_frameStatusBar )
 551     {
 552         wxSysColourChangedEvent event2;
 553         event2.SetEventObject( m_frameStatusBar );
 554         m_frameStatusBar->ProcessEvent(event2);
 555     }
 556
 557     // Propagate the event to the non-top-level children
 558     wxWindow::OnSysColourChanged(event);
 559 }
 560
 561 // Default activation behaviour - set the focus for the first child
 562 // subwindow found.
 563 void wxFrame::OnActivate(wxActivateEvent& event)
 564 {
 565     if (!event.GetActive())
 566         return;
 567
 568     for(wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); node;
 569         node = node->GetNext())
 570     {
 571         // Find a child that's a subwindow, but not a dialog box.
 572         wxWindow *child = node->GetData();
 573         if (!child->IsTopLevel())
 574         {
 575             child->SetFocus();
 576             return;
 577         }
 578     }
 579 }
 580
 581 void wxFrame::SendSizeEvent()
 582 {
 583     wxSizeEvent event(GetSize(), GetId());
 584     event.SetEventObject(this);
 585     GetEventHandler()->AddPendingEvent(event);
 586 }
 587
 588 #if wxUSE_TOOLBAR
 589
 590 wxToolBar* wxFrame::CreateToolBar(long style,
 591                                   wxWindowID id,
 592                                   const wxString& name)
 593 {
 594     if ( wxFrameBase::CreateToolBar(style, id, name) )
 595     {
 596         PositionToolBar();
 597     }
 598
 599     return m_frameToolBar;
 600 }
 601
 602 void wxFrame::SetToolBar(wxToolBar *toolbar)
 603 {
 604     wxFrameBase::SetToolBar(toolbar);
 605     SendSizeEvent();
 606 }
 607
 608 void wxFrame::PositionToolBar()
 609 {
 610     wxToolBar* tb = GetToolBar();
 611     if (tb)
 612     {
 613         int cw, ch;
 614         GetClientSize(& cw, &ch);
 615
 616         int tw, th;
 617         tb->GetSize(& tw, & th);
 618
 619         if (tb->GetWindowStyleFlag() & wxTB_VERTICAL)
 620         {
 621             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 622             // means, pretend we don't have toolbar/status bar, so we
 623             // have the original client size.
 624             th = ch + th;
 625         }
 626         else
 627         {
 628             // Use the 'real' position
 629             tw = cw;
 630         }
 631
 632         tb->SetSize(0, 0, -1, -1, wxSIZE_NO_ADJUSTMENTS);
 633     }
 634 }
 635 #endif // wxUSE_TOOLBAR
 636
 637 //// Motif-specific
 638 bool wxFrame::PreResize()
 639 {
 640 #if wxUSE_TOOLBAR
 641     PositionToolBar();
 642 #endif // wxUSE_TOOLBAR
 643
 644 #if wxUSE_STATUSBAR
 645     PositionStatusBar();
 646 #endif // wxUSE_STATUSBAR
 647
 648     return TRUE;
 649 }
 650
 651 WXWidget wxFrame::GetClientWidget() const
 652 {
 653     return m_clientArea;
 654 }
 655
 656 void wxFrame::ChangeFont(bool WXUNUSED(keepOriginalSize))
 657 {
 658     // TODO
 659 }
 660
 661 void wxFrame::ChangeBackgroundColour()
 662 {
 663     if (GetClientWidget())
 664         wxDoChangeBackgroundColour(GetClientWidget(), m_backgroundColour);
 665 }
 666
 667 void wxFrame::ChangeForegroundColour()
 668 {
 669     if (GetClientWidget())
 670         wxDoChangeForegroundColour(GetClientWidget(), m_foregroundColour);
 671 }
 672
 673 /* MATTEW: Used to insure that hide-&-show within an event cycle works */
 674 static void wxFrameMapProc( Widget frameShell, XtPointer clientData,
 675                             XCrossingEvent* event )
 676 {
 677     wxFrame *tli = (wxFrame*)clientData;
 678
 679     XEvent *e = (XEvent *)event;
 680
 681     if( e->xany.type == MapNotify )
 682     {
 683         // Iconize fix
 684         XtVaSetValues( frameShell, XmNiconic, (Boolean)False, NULL );
 685         if( !tli->GetVisibleStatus() )
 686         {
 687             /* We really wanted this to be hidden! */
 688             XtUnmapWidget( frameShell );
 689         }
 690     }
 691     else if( e->xany.type == UnmapNotify )
 692         // Iconize fix
 693         XtVaSetValues( frameShell, XmNiconic, (Boolean)True, NULL );
 694 }