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