src/mac/carbon/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "mdi.h"
  14 #endif
  15
  16 #include "wx/mdi.h"
  17 #include "wx/menu.h"
  18 #include "wx/settings.h"
  19 #include "wx/log.h"
  20
  21 #include "wx/mac/private.h"
  22 #include "wx/mac/uma.h"
  23
  24 extern wxWindowList wxModelessWindows;
  25
  26 #if !USE_SHARED_LIBRARY
  27 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
  28 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
  29 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
  30
  31 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  32   EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
  33   EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
  34 END_EVENT_TABLE()
  35
  36 BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow)
  37   EVT_SCROLL(wxMDIClientWindow::OnScroll)
  38 END_EVENT_TABLE()
  39
  40 #endif
  41
  42 static const int IDM_WINDOWTILE  = 4001;
  43 static const int IDM_WINDOWTILEHOR  = 4001;
  44 static const int IDM_WINDOWCASCADE = 4002;
  45 static const int IDM_WINDOWICONS = 4003;
  46 static const int IDM_WINDOWNEXT = 4004;
  47 static const int IDM_WINDOWTILEVERT = 4005;
  48 static const int IDM_WINDOWPREV = 4006;
  49
  50 // This range gives a maximum of 500 MDI children. Should be enough :-)
  51 static const int wxFIRST_MDI_CHILD = 4100;
  52 static const int wxLAST_MDI_CHILD = 4600;
  53
  54 // Status border dimensions
  55 static const int wxTHICK_LINE_BORDER = 3;
  56
  57 // Parent frame
  58
  59 wxMDIParentFrame::wxMDIParentFrame()
  60 {
  61     m_clientWindow = NULL;
  62     m_currentChild = NULL;
  63     m_windowMenu = (wxMenu*) NULL;
  64     m_parentFrameActive = TRUE;
  65 }
  66
  67 bool wxMDIParentFrame::Create(wxWindow *parent,
  68            wxWindowID id,
  69            const wxString& title,
  70            const wxPoint& pos,
  71            const wxSize& size,
  72            long style,
  73            const wxString& name)
  74 {
  75     m_clientWindow = NULL;
  76     m_currentChild = NULL;
  77
  78     // this style can be used to prevent a window from having the standard MDI
  79     // "Window" menu
  80     if ( style & wxFRAME_NO_WINDOW_MENU )
  81     {
  82         m_windowMenu = (wxMenu *)NULL;
  83         style -= wxFRAME_NO_WINDOW_MENU ;
  84     }
  85     else // normal case: we have the window menu, so construct it
  86     {
  87         m_windowMenu = new wxMenu;
  88
  89         m_windowMenu->Append(IDM_WINDOWCASCADE, wxT("&Cascade"));
  90         m_windowMenu->Append(IDM_WINDOWTILEHOR, wxT("Tile &Horizontally"));
  91         m_windowMenu->Append(IDM_WINDOWTILEVERT, wxT("Tile &Vertically"));
  92         m_windowMenu->AppendSeparator();
  93         m_windowMenu->Append(IDM_WINDOWICONS, wxT("&Arrange Icons"));
  94         m_windowMenu->Append(IDM_WINDOWNEXT, wxT("&Next"));
  95     }
  96
  97     wxFrame::Create( parent , id , title , pos , size , style , name ) ;
  98     m_parentFrameActive = TRUE;
  99
 100     OnCreateClient();
 101
 102     return TRUE;
 103 }
 104
 105 wxMDIParentFrame::~wxMDIParentFrame()
 106 {
 107     DestroyChildren();
 108     // already deleted by DestroyChildren()
 109     m_clientWindow = NULL ;
 110
 111     delete m_windowMenu;
 112 }
 113
 114
 115 void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
 116 {
 117     wxFrame::SetMenuBar( menu_bar ) ;
 118 }
 119
 120 void wxMDIParentFrame::MacActivate(long timestamp, bool activating)
 121 {
 122     wxLogDebug(wxT("MDI PARENT=%p MacActivate(0x%08lx,%s)"),this,timestamp,activating?wxT("ACTIV"):wxT("deact"));
 123     if(activating)
 124     {
 125         if(s_macDeactivateWindow && s_macDeactivateWindow->GetParent()==this)
 126         {
 127             wxLogDebug(wxT("child had been scheduled for deactivation, rehighlighting"));
 128             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 129             wxLogDebug(wxT("done highliting child"));
 130             s_macDeactivateWindow = NULL;
 131         }
 132         else if(s_macDeactivateWindow == this)
 133         {
 134             wxLogDebug(wxT("Avoided deactivation/activation of this=%p"), this);
 135             s_macDeactivateWindow = NULL;
 136         }
 137         else // window to deactivate is NULL or is not us or one of our kids
 138         {
 139             // activate kid instead
 140             if(m_currentChild)
 141                 m_currentChild->MacActivate(timestamp,activating);
 142             else
 143                 wxFrame::MacActivate(timestamp,activating);
 144         }
 145     }
 146     else
 147     {
 148         // We were scheduled for deactivation, and now we do it.
 149         if(s_macDeactivateWindow==this)
 150         {
 151             s_macDeactivateWindow = NULL;
 152             if(m_currentChild)
 153                 m_currentChild->MacActivate(timestamp,activating);
 154             wxFrame::MacActivate(timestamp,activating);
 155         }
 156         else // schedule ourselves for deactivation
 157         {
 158             if(s_macDeactivateWindow)
 159                 wxLogDebug(wxT("window=%p SHOULD have been deactivated, oh well!"),s_macDeactivateWindow);
 160             wxLogDebug(wxT("Scheduling delayed MDI Parent deactivation"));
 161             s_macDeactivateWindow = this;
 162         }
 163     }
 164 }
 165
 166 void wxMDIParentFrame::OnActivate(wxActivateEvent& event)
 167 {
 168     event.Skip();
 169 }
 170
 171 // Returns the active MDI child window
 172 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 173 {
 174     return m_currentChild ;
 175 }
 176
 177 // Create the client window class (don't Create the window,
 178 // just return a new class)
 179 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
 180 {
 181     m_clientWindow = new wxMDIClientWindow( this );
 182     return m_clientWindow;
 183 }
 184
 185 // Responds to colour changes, and passes event on to children.
 186 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 187 {
 188     // TODO
 189
 190     // Propagate the event to the non-top-level children
 191     wxFrame::OnSysColourChanged(event);
 192 }
 193
 194 // MDI operations
 195 void wxMDIParentFrame::Cascade()
 196 {
 197     // TODO
 198 }
 199
 200 void wxMDIParentFrame::Tile()
 201 {
 202     // TODO
 203 }
 204
 205 void wxMDIParentFrame::ArrangeIcons()
 206 {
 207     // TODO
 208 }
 209
 210 void wxMDIParentFrame::ActivateNext()
 211 {
 212     // TODO
 213 }
 214
 215 void wxMDIParentFrame::ActivatePrevious()
 216 {
 217     // TODO
 218 }
 219
 220 bool wxMDIParentFrame::Show( bool show )
 221 {
 222     if ( !wxFrame::Show(show) )
 223         return false;
 224
 225     // don't really show the MDI frame unless it has any children other than
 226     // MDI children as it is pretty useless in this case
 227     if ( show )
 228     {
 229         // TODO: check for other children
 230         Move(-10000, -10000);
 231     }
 232
 233     return true;
 234 }
 235
 236 // Child frame
 237
 238 wxMDIChildFrame::wxMDIChildFrame()
 239 {
 240     Init() ;
 241 }
 242 void wxMDIChildFrame::Init()
 243 {
 244 }
 245
 246 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 247                              wxWindowID id,
 248                              const wxString& title,
 249                              const wxPoint& pos,
 250                              const wxSize& size,
 251                              long style,
 252                              const wxString& name)
 253 {
 254     SetName(name);
 255
 256     if ( id > -1 )
 257         m_windowId = id;
 258     else
 259         m_windowId = (int)NewControlId();
 260
 261     if (parent) parent->AddChild(this);
 262
 263     MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
 264
 265     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 266
 267     wxModelessWindows.Append(this);
 268     return FALSE;
 269 }
 270
 271 wxMDIChildFrame::~wxMDIChildFrame()
 272 {
 273     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 274     wxASSERT(mdiparent);
 275     if(mdiparent->m_currentChild == this)
 276         mdiparent->m_currentChild = NULL;
 277     DestroyChildren();
 278 }
 279
 280 void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
 281 {
 282     return wxFrame::SetMenuBar( menu_bar ) ;
 283 }
 284
 285 void wxMDIChildFrame::MacActivate(long timestamp, bool activating)
 286 {
 287     wxLogDebug(wxT("MDI child=%p  MacActivate(0x%08lx,%s)"),this,timestamp,activating?wxT("ACTIV"):wxT("deact"));
 288     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 289     wxASSERT(mdiparent);
 290     if(activating)
 291     {
 292         if(s_macDeactivateWindow == m_parent)
 293         {
 294             wxLogDebug(wxT("parent had been scheduled for deactivation, rehighlighting"));
 295             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 296             wxLogDebug(wxT("done highliting parent"));
 297             s_macDeactivateWindow = NULL;
 298         }
 299         else if((mdiparent->m_currentChild==this) || !s_macDeactivateWindow)
 300             mdiparent->wxFrame::MacActivate(timestamp,activating);
 301
 302         if(mdiparent->m_currentChild && mdiparent->m_currentChild!=this)
 303             mdiparent->m_currentChild->wxFrame::MacActivate(timestamp,false);
 304         mdiparent->m_currentChild = this;
 305
 306         if(s_macDeactivateWindow==this)
 307         {
 308             wxLogDebug(wxT("Avoided deactivation/activation of this=%p"),this);
 309             s_macDeactivateWindow=NULL;
 310         }
 311         else
 312             wxFrame::MacActivate(timestamp, activating);
 313     }
 314     else
 315     {
 316         // We were scheduled for deactivation, and now we do it.
 317         if(s_macDeactivateWindow==this)
 318         {
 319             s_macDeactivateWindow = NULL;
 320             wxFrame::MacActivate(timestamp,activating);
 321             if(mdiparent->m_currentChild==this)
 322                 mdiparent->wxFrame::MacActivate(timestamp,activating);
 323         }
 324         else // schedule ourselves for deactivation
 325         {
 326             if(s_macDeactivateWindow)
 327                 wxLogDebug(wxT("window=%p SHOULD have been deactivated, oh well!"),s_macDeactivateWindow);
 328             wxLogDebug(wxT("Scheduling delayed deactivation"));
 329             s_macDeactivateWindow = this;
 330         }
 331     }
 332 }
 333
 334 // MDI operations
 335 void wxMDIChildFrame::Maximize()
 336 {
 337     wxFrame::Maximize() ;
 338 }
 339
 340 void wxMDIChildFrame::Restore()
 341 {
 342     wxFrame::Restore() ;
 343 }
 344
 345 void wxMDIChildFrame::Activate()
 346 {
 347 }
 348
 349 //-----------------------------------------------------------------------------
 350 // wxMDIClientWindow
 351 //-----------------------------------------------------------------------------
 352
 353 wxMDIClientWindow::wxMDIClientWindow()
 354 {
 355 }
 356
 357 wxMDIClientWindow::~wxMDIClientWindow()
 358 {
 359     DestroyChildren();
 360 }
 361
 362 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 363 {
 364     if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style))
 365         return FALSE;
 366
 367     wxModelessWindows.Append(this);
 368     return TRUE;
 369 }
 370
 371 // Get size *available for subwindows* i.e. excluding menu bar.
 372 void wxMDIClientWindow::DoGetClientSize(int *x, int *y) const
 373 {
 374     wxDisplaySize( x , y ) ;
 375 }
 376
 377 // Explicitly call default scroll behaviour
 378 void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
 379 {
 380 }
 381