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     // don't really show the MDI frame unless it has any children other than
 223     // MDI children as it is pretty useless in this case
 224
 225     if ( show )
 226     {
 227         // TODO: check for other children
 228         Move(-10000, -10000);
 229     }
 230
 231     if ( !wxFrame::Show(show) )
 232         return false;
 233
 234     return true;
 235 }
 236
 237 // Child frame
 238
 239 wxMDIChildFrame::wxMDIChildFrame()
 240 {
 241     Init() ;
 242 }
 243 void wxMDIChildFrame::Init()
 244 {
 245 }
 246
 247 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 248                              wxWindowID id,
 249                              const wxString& title,
 250                              const wxPoint& pos,
 251                              const wxSize& size,
 252                              long style,
 253                              const wxString& name)
 254 {
 255     SetName(name);
 256
 257     if ( id > -1 )
 258         m_windowId = id;
 259     else
 260         m_windowId = (int)NewControlId();
 261
 262     if (parent) parent->AddChild(this);
 263
 264     MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
 265
 266     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 267
 268     wxModelessWindows.Append(this);
 269     return FALSE;
 270 }
 271
 272 wxMDIChildFrame::~wxMDIChildFrame()
 273 {
 274     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 275     wxASSERT(mdiparent);
 276     if(mdiparent->m_currentChild == this)
 277         mdiparent->m_currentChild = NULL;
 278     DestroyChildren();
 279 }
 280
 281 void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
 282 {
 283     return wxFrame::SetMenuBar( menu_bar ) ;
 284 }
 285
 286 void wxMDIChildFrame::MacActivate(long timestamp, bool activating)
 287 {
 288     wxLogDebug(wxT("MDI child=%p  MacActivate(0x%08lx,%s)"),this,timestamp,activating?wxT("ACTIV"):wxT("deact"));
 289     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 290     wxASSERT(mdiparent);
 291     if(activating)
 292     {
 293         if(s_macDeactivateWindow == m_parent)
 294         {
 295             wxLogDebug(wxT("parent had been scheduled for deactivation, rehighlighting"));
 296             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 297             wxLogDebug(wxT("done highliting parent"));
 298             s_macDeactivateWindow = NULL;
 299         }
 300         else if((mdiparent->m_currentChild==this) || !s_macDeactivateWindow)
 301             mdiparent->wxFrame::MacActivate(timestamp,activating);
 302
 303         if(mdiparent->m_currentChild && mdiparent->m_currentChild!=this)
 304             mdiparent->m_currentChild->wxFrame::MacActivate(timestamp,false);
 305         mdiparent->m_currentChild = this;
 306
 307         if(s_macDeactivateWindow==this)
 308         {
 309             wxLogDebug(wxT("Avoided deactivation/activation of this=%p"),this);
 310             s_macDeactivateWindow=NULL;
 311         }
 312         else
 313             wxFrame::MacActivate(timestamp, activating);
 314     }
 315     else
 316     {
 317         // We were scheduled for deactivation, and now we do it.
 318         if(s_macDeactivateWindow==this)
 319         {
 320             s_macDeactivateWindow = NULL;
 321             wxFrame::MacActivate(timestamp,activating);
 322             if(mdiparent->m_currentChild==this)
 323                 mdiparent->wxFrame::MacActivate(timestamp,activating);
 324         }
 325         else // schedule ourselves for deactivation
 326         {
 327             if(s_macDeactivateWindow)
 328                 wxLogDebug(wxT("window=%p SHOULD have been deactivated, oh well!"),s_macDeactivateWindow);
 329             wxLogDebug(wxT("Scheduling delayed deactivation"));
 330             s_macDeactivateWindow = this;
 331         }
 332     }
 333 }
 334
 335 // MDI operations
 336 void wxMDIChildFrame::Maximize()
 337 {
 338     wxFrame::Maximize() ;
 339 }
 340
 341 void wxMDIChildFrame::Restore()
 342 {
 343     wxFrame::Restore() ;
 344 }
 345
 346 void wxMDIChildFrame::Activate()
 347 {
 348 }
 349
 350 //-----------------------------------------------------------------------------
 351 // wxMDIClientWindow
 352 //-----------------------------------------------------------------------------
 353
 354 wxMDIClientWindow::wxMDIClientWindow()
 355 {
 356 }
 357
 358 wxMDIClientWindow::~wxMDIClientWindow()
 359 {
 360     DestroyChildren();
 361 }
 362
 363 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 364 {
 365     if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style))
 366         return FALSE;
 367
 368     wxModelessWindows.Append(this);
 369     return TRUE;
 370 }
 371
 372 // Get size *available for subwindows* i.e. excluding menu bar.
 373 void wxMDIClientWindow::DoGetClientSize(int *x, int *y) const
 374 {
 375     wxDisplaySize( x , y ) ;
 376 }
 377
 378 // Explicitly call default scroll behaviour
 379 void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
 380 {
 381 }
 382