src/osx/carbon/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/mdi.cpp
   3 // Purpose:     MDI classes
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_MDI
  15
  16 #include "wx/mdi.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/log.h"
  20     #include "wx/menu.h"
  21     #include "wx/settings.h"
  22     #include "wx/statusbr.h"
  23 #endif
  24
  25 #include "wx/osx/private.h"
  26 #include "wx/osx/uma.h"
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
  29 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
  30 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
  31
  32 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  33     EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
  34     EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
  35 END_EVENT_TABLE()
  36
  37 #define TRACE_MDI "mdi"
  38
  39 static const int IDM_WINDOWTILEHOR  = 4001;
  40 static const int IDM_WINDOWCASCADE = 4002;
  41 static const int IDM_WINDOWICONS = 4003;
  42 static const int IDM_WINDOWNEXT = 4004;
  43 static const int IDM_WINDOWTILEVERT = 4005;
  44
  45 // others
  46
  47 void UMAHighlightAndActivateWindow( WindowRef inWindowRef , bool inActivate )
  48 {
  49 #if wxOSX_USE_CARBON // TODO REMOVE
  50     if ( inWindowRef )
  51     {
  52 //        bool isHighlighted = IsWindowHighlited( inWindowRef ) ;
  53 //        if ( inActivate != isHighlighted )
  54 #ifndef __LP64__
  55         GrafPtr port ;
  56         GetPort( &port ) ;
  57         SetPortWindowPort( inWindowRef ) ;
  58 #endif
  59         HiliteWindow( inWindowRef , inActivate ) ;
  60         ControlRef control = NULL ;
  61         ::GetRootControl( inWindowRef , &control ) ;
  62         if ( control )
  63         {
  64             if ( inActivate )
  65                 ::ActivateControl( control ) ;
  66             else
  67                 ::DeactivateControl( control ) ;
  68         }
  69 #ifndef __LP64__
  70         SetPort( port ) ;
  71 #endif
  72     }
  73 #elif defined(wxOSX_USE_COCOA)
  74     wxUnusedVar(inActivate);
  75     wxUnusedVar(inWindowRef);
  76 // TODO: implement me!
  77 #endif
  78 }
  79
  80 // ----------------------------------------------------------------------------
  81 // Parent frame
  82 // ----------------------------------------------------------------------------
  83
  84 void wxMDIParentFrame::Init()
  85 {
  86     m_parentFrameActive = true;
  87     m_shouldBeShown = false;
  88 }
  89
  90 bool wxMDIParentFrame::Create(wxWindow *parent,
  91     wxWindowID winid,
  92     const wxString& title,
  93     const wxPoint& pos,
  94     const wxSize& size,
  95     long style,
  96     const wxString& name)
  97 {
  98     // this style can be used to prevent a window from having the standard MDI
  99     // "Window" menu
 100     if ( style & wxFRAME_NO_WINDOW_MENU )
 101     {
 102         m_windowMenu = NULL;
 103         style -= wxFRAME_NO_WINDOW_MENU ;
 104     }
 105     else // normal case: we have the window menu, so construct it
 106     {
 107         m_windowMenu = new wxMenu;
 108
 109         m_windowMenu->Append(IDM_WINDOWCASCADE, wxT("&Cascade"));
 110         m_windowMenu->Append(IDM_WINDOWTILEHOR, wxT("Tile &Horizontally"));
 111         m_windowMenu->Append(IDM_WINDOWTILEVERT, wxT("Tile &Vertically"));
 112         m_windowMenu->AppendSeparator();
 113         m_windowMenu->Append(IDM_WINDOWICONS, wxT("&Arrange Icons"));
 114         m_windowMenu->Append(IDM_WINDOWNEXT, wxT("&Next"));
 115     }
 116
 117     if ( !wxFrame::Create( parent , winid , title , pos , size , style , name ) )
 118         return false;
 119
 120     m_parentFrameActive = true;
 121
 122     m_clientWindow = OnCreateClient();
 123     if ( !m_clientWindow || !m_clientWindow->CreateClient(this, style) )
 124         return false;
 125
 126     return true;
 127 }
 128
 129 wxMDIParentFrame::~wxMDIParentFrame()
 130 {
 131     DestroyChildren();
 132
 133     // already deleted by DestroyChildren()
 134     m_clientWindow = NULL ;
 135 }
 136
 137 void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
 138 {
 139     wxFrame::SetMenuBar( menu_bar ) ;
 140 }
 141
 142 void wxMDIParentFrame::GetRectForTopLevelChildren(int *x, int *y, int *w, int *h)
 143 {
 144     if (x)
 145         *x = 0;
 146     if (y)
 147         *y = 0;
 148
 149     wxDisplaySize(w, h);
 150 }
 151
 152 void wxMDIParentFrame::AddChild(wxWindowBase *child)
 153 {
 154     // moved this to front, so that we don't run into unset m_parent problems later
 155     wxFrame::AddChild(child);
 156
 157     if ( !m_currentChild )
 158     {
 159         m_currentChild = wxDynamicCast(child, wxMDIChildFrame);
 160
 161         if ( m_currentChild && IsShown() && !ShouldBeVisible() )
 162         {
 163             // we shouldn't remain visible any more
 164             wxFrame::Show(false);
 165             m_shouldBeShown = true;
 166         }
 167     }
 168 }
 169
 170 void wxMDIParentFrame::RemoveChild(wxWindowBase *child)
 171 {
 172     if ( child == m_currentChild )
 173     {
 174         // the current child isn't active any more, try to find another one
 175         m_currentChild = NULL;
 176
 177         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 178               node;
 179               node = node->GetNext() )
 180         {
 181             wxMDIChildFrame *
 182                 childCur = wxDynamicCast(node->GetData(), wxMDIChildFrame);
 183             if ( childCur != child )
 184             {
 185                 m_currentChild = childCur;
 186                 break;
 187             }
 188         }
 189     }
 190
 191     wxFrame::RemoveChild(child);
 192
 193     // if there are no more children left we need to show the frame if we
 194     // hadn't shown it before because there were active children and it was
 195     // useless (note that we have to do it after fully removing the child, i.e.
 196     // after calling the base class RemoveChild() as otherwise we risk to touch
 197     // pointer to the child being deleted)
 198     if ( !m_currentChild && m_shouldBeShown && !IsShown() )
 199     {
 200         // we have to show it, but at least move it out of sight and make it of
 201         // smallest possible size (unfortunately (0, 0) doesn't work so that it
 202         // doesn't appear in expose
 203         SetSize(-10000, -10000, 1, 1);
 204         Show();
 205     }
 206 }
 207
 208 void wxMDIParentFrame::MacActivate(long timestamp, bool activating)
 209 {
 210     wxLogTrace(TRACE_MDI, wxT("MDI PARENT=%p MacActivate(0x%08lx,%s)"), this, timestamp, activating ? wxT("ACTIV") : wxT("deact"));
 211
 212     if (activating)
 213     {
 214         if (s_macDeactivateWindow && s_macDeactivateWindow->GetParent() == this)
 215         {
 216             wxLogTrace(TRACE_MDI, wxT("child had been scheduled for deactivation, rehighlighting"));
 217
 218             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->GetWXWindow(), true);
 219
 220             wxLogTrace(TRACE_MDI, wxT("finished highliting child"));
 221
 222             s_macDeactivateWindow = NULL;
 223         }
 224         else if (s_macDeactivateWindow == this)
 225         {
 226             wxLogTrace(TRACE_MDI, wxT("Avoided deactivation/activation of this=%p"), this);
 227
 228             s_macDeactivateWindow = NULL;
 229         }
 230         else // window to deactivate is NULL or is not us or one of our kids
 231         {
 232             // activate kid instead
 233             if (m_currentChild)
 234                 m_currentChild->MacActivate(timestamp, activating);
 235             else
 236                 wxFrame::MacActivate(timestamp, activating);
 237         }
 238     }
 239     else
 240     {
 241         // We were scheduled for deactivation, and now we do it.
 242         if (s_macDeactivateWindow == this)
 243         {
 244             s_macDeactivateWindow = NULL;
 245             if (m_currentChild)
 246                 m_currentChild->MacActivate(timestamp, activating);
 247             wxFrame::MacActivate(timestamp, activating);
 248         }
 249         else // schedule ourselves for deactivation
 250         {
 251             if (s_macDeactivateWindow)
 252             {
 253                 wxLogTrace(TRACE_MDI, wxT("window=%p SHOULD have been deactivated, oh well!"), s_macDeactivateWindow);
 254             }
 255             wxLogTrace(TRACE_MDI, wxT("Scheduling delayed MDI Parent deactivation"));
 256
 257             s_macDeactivateWindow = this;
 258         }
 259     }
 260 }
 261
 262 void wxMDIParentFrame::OnActivate(wxActivateEvent& event)
 263 {
 264     event.Skip();
 265 }
 266
 267 // Responds to colour changes, and passes event on to children.
 268 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 269 {
 270     // TODO
 271
 272     // Propagate the event to the non-top-level children
 273     wxFrame::OnSysColourChanged(event);
 274 }
 275
 276 bool wxMDIParentFrame::ShouldBeVisible() const
 277 {
 278     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 279           node;
 280           node = node->GetNext() )
 281     {
 282         wxWindow *win = node->GetData();
 283
 284         if ( win->IsShown()
 285                 && !wxDynamicCast(win, wxMDIChildFrame)
 286 #if wxUSE_STATUSBAR
 287                 && win != (wxWindow*) GetStatusBar()
 288 #endif
 289                 && win != GetClientWindow() )
 290         {
 291             // if we have a non-MDI child, do remain visible so that it could
 292             // be used
 293             return true;
 294         }
 295     }
 296
 297     return false;
 298 }
 299
 300 bool wxMDIParentFrame::Show( bool show )
 301 {
 302     m_shouldBeShown = false;
 303
 304     // don't really show the MDI frame unless it has any children other than
 305     // MDI children as it is pretty useless in this case
 306
 307     if ( show )
 308     {
 309         if ( !ShouldBeVisible() && m_currentChild )
 310         {
 311             // don't make the window visible now but remember that we should
 312             // have had done it
 313             m_shouldBeShown = true;
 314
 315             return false;
 316         }
 317     }
 318
 319     return wxFrame::Show(show);
 320 }
 321
 322 // ----------------------------------------------------------------------------
 323 // Child frame
 324 // ----------------------------------------------------------------------------
 325
 326 void wxMDIChildFrame::Init()
 327 {
 328 }
 329
 330 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 331                              wxWindowID winid,
 332                              const wxString& title,
 333                              const wxPoint& pos,
 334                              const wxSize& size,
 335                              long style,
 336                              const wxString& name)
 337 {
 338     m_mdiParent = parent;
 339
 340     SetName(name);
 341
 342     if ( winid == wxID_ANY )
 343         winid = (int)NewControlId();
 344
 345     wxNonOwnedWindow::Create( parent, winid, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
 346
 347     SetTitle( title );
 348
 349     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 350
 351     return true;
 352 }
 353
 354 wxMDIChildFrame::~wxMDIChildFrame()
 355 {
 356     DestroyChildren();
 357 }
 358
 359 void wxMDIChildFrame::MacActivate(long timestamp, bool activating)
 360 {
 361     wxLogTrace(TRACE_MDI, wxT("MDI child=%p  MacActivate(0x%08lx,%s)"),this, timestamp, activating ? wxT("ACTIV") : wxT("deact"));
 362
 363     wxMDIParentFrame *mdiparent = m_mdiParent;
 364     wxASSERT(mdiparent);
 365
 366     if (activating)
 367     {
 368         if (s_macDeactivateWindow == m_parent)
 369         {
 370             wxLogTrace(TRACE_MDI, wxT("parent had been scheduled for deactivation, rehighlighting"));
 371
 372             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->GetWXWindow(), true);
 373
 374             wxLogTrace(TRACE_MDI, wxT("finished highliting parent"));
 375
 376             s_macDeactivateWindow = NULL;
 377         }
 378         else if ((mdiparent->m_currentChild == this) || !s_macDeactivateWindow)
 379             mdiparent->wxFrame::MacActivate(timestamp, activating);
 380
 381         if (mdiparent->m_currentChild && mdiparent->m_currentChild != this)
 382             mdiparent->m_currentChild->wxFrame::MacActivate(timestamp, false);
 383         mdiparent->m_currentChild = this;
 384
 385         if (s_macDeactivateWindow == this)
 386         {
 387             wxLogTrace(TRACE_MDI, wxT("Avoided deactivation/activation of this=%p"), this);
 388
 389             s_macDeactivateWindow = NULL;
 390         }
 391         else
 392             wxFrame::MacActivate(timestamp, activating);
 393     }
 394     else
 395     {
 396         // We were scheduled for deactivation, and now we do it.
 397         if (s_macDeactivateWindow == this)
 398         {
 399             s_macDeactivateWindow = NULL;
 400             wxFrame::MacActivate(timestamp, activating);
 401             if (mdiparent->m_currentChild == this)
 402                 mdiparent->wxFrame::MacActivate(timestamp, activating);
 403         }
 404         else // schedule ourselves for deactivation
 405         {
 406             if (s_macDeactivateWindow)
 407             {
 408                 wxLogTrace(TRACE_MDI, wxT("window=%p SHOULD have been deactivated, oh well!"), s_macDeactivateWindow);
 409             }
 410             wxLogTrace(TRACE_MDI, wxT("Scheduling delayed deactivation"));
 411
 412             s_macDeactivateWindow = this;
 413         }
 414     }
 415 }
 416
 417 // MDI operations
 418 void wxMDIChildFrame::Activate()
 419 {
 420     Raise ();
 421 }
 422
 423 //-----------------------------------------------------------------------------
 424 // wxMDIClientWindow
 425 //-----------------------------------------------------------------------------
 426
 427 wxMDIClientWindow::~wxMDIClientWindow()
 428 {
 429     DestroyChildren();
 430 }
 431
 432 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 433 {
 434     if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style) )
 435         return false;
 436
 437     return true;
 438 }
 439
 440 void wxMDIClientWindow::DoGetClientSize(int *x, int *y) const
 441 {
 442     wxDisplaySize( x , y ) ;
 443 }
 444
 445 #endif // wxUSE_MDI