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::GetRectForTopLevelChildren(int *x, int *y, int *w, int *h)
 121 {
 122     if(x)
 123         *x = 0;
 124     if(y)
 125         *y = 0;
 126     wxDisplaySize(w,h);
 127 }
 128
 129 void wxMDIParentFrame::MacActivate(long timestamp, bool activating)
 130 {
 131     wxLogDebug(wxT("MDI PARENT=%p MacActivate(0x%08lx,%s)"),this,timestamp,activating?wxT("ACTIV"):wxT("deact"));
 132     if(activating)
 133     {
 134         if(s_macDeactivateWindow && s_macDeactivateWindow->GetParent()==this)
 135         {
 136             wxLogDebug(wxT("child had been scheduled for deactivation, rehighlighting"));
 137             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 138             wxLogDebug(wxT("done highliting child"));
 139             s_macDeactivateWindow = NULL;
 140         }
 141         else if(s_macDeactivateWindow == this)
 142         {
 143             wxLogDebug(wxT("Avoided deactivation/activation of this=%p"), this);
 144             s_macDeactivateWindow = NULL;
 145         }
 146         else // window to deactivate is NULL or is not us or one of our kids
 147         {
 148             // activate kid instead
 149             if(m_currentChild)
 150                 m_currentChild->MacActivate(timestamp,activating);
 151             else
 152                 wxFrame::MacActivate(timestamp,activating);
 153         }
 154     }
 155     else
 156     {
 157         // We were scheduled for deactivation, and now we do it.
 158         if(s_macDeactivateWindow==this)
 159         {
 160             s_macDeactivateWindow = NULL;
 161             if(m_currentChild)
 162                 m_currentChild->MacActivate(timestamp,activating);
 163             wxFrame::MacActivate(timestamp,activating);
 164         }
 165         else // schedule ourselves for deactivation
 166         {
 167             if(s_macDeactivateWindow)
 168                 wxLogDebug(wxT("window=%p SHOULD have been deactivated, oh well!"),s_macDeactivateWindow);
 169             wxLogDebug(wxT("Scheduling delayed MDI Parent deactivation"));
 170             s_macDeactivateWindow = this;
 171         }
 172     }
 173 }
 174
 175 void wxMDIParentFrame::OnActivate(wxActivateEvent& event)
 176 {
 177     event.Skip();
 178 }
 179
 180 // Returns the active MDI child window
 181 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 182 {
 183     return m_currentChild ;
 184 }
 185
 186 // Create the client window class (don't Create the window,
 187 // just return a new class)
 188 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
 189 {
 190     m_clientWindow = new wxMDIClientWindow( this );
 191     return m_clientWindow;
 192 }
 193
 194 // Responds to colour changes, and passes event on to children.
 195 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 196 {
 197     // TODO
 198
 199     // Propagate the event to the non-top-level children
 200     wxFrame::OnSysColourChanged(event);
 201 }
 202
 203 // MDI operations
 204 void wxMDIParentFrame::Cascade()
 205 {
 206     // TODO
 207 }
 208
 209 void wxMDIParentFrame::Tile()
 210 {
 211     // TODO
 212 }
 213
 214 void wxMDIParentFrame::ArrangeIcons()
 215 {
 216     // TODO
 217 }
 218
 219 void wxMDIParentFrame::ActivateNext()
 220 {
 221     // TODO
 222 }
 223
 224 void wxMDIParentFrame::ActivatePrevious()
 225 {
 226     // TODO
 227 }
 228
 229 bool wxMDIParentFrame::Show( bool show )
 230 {
 231     // don't really show the MDI frame unless it has any children other than
 232     // MDI children as it is pretty useless in this case
 233
 234     if ( show )
 235     {
 236         // TODO: check for other children
 237         if(!GetToolBar())
 238             Move(-10000, -10000);
 239     }
 240
 241     if ( !wxFrame::Show(show) )
 242         return false;
 243
 244     return true;
 245 }
 246
 247 // Child frame
 248
 249 wxMDIChildFrame::wxMDIChildFrame()
 250 {
 251     Init() ;
 252 }
 253 void wxMDIChildFrame::Init()
 254 {
 255 }
 256
 257 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 258                              wxWindowID id,
 259                              const wxString& title,
 260                              const wxPoint& pos,
 261                              const wxSize& size,
 262                              long style,
 263                              const wxString& name)
 264 {
 265     SetName(name);
 266
 267     if ( id > -1 )
 268         m_windowId = id;
 269     else
 270         m_windowId = (int)NewControlId();
 271
 272     if (parent) parent->AddChild(this);
 273
 274     MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
 275
 276     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 277
 278     wxModelessWindows.Append(this);
 279     return FALSE;
 280 }
 281
 282 wxMDIChildFrame::~wxMDIChildFrame()
 283 {
 284     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 285     wxASSERT(mdiparent);
 286     if(mdiparent->m_currentChild == this)
 287         mdiparent->m_currentChild = NULL;
 288     DestroyChildren();
 289 }
 290
 291 void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
 292 {
 293     return wxFrame::SetMenuBar( menu_bar ) ;
 294 }
 295
 296 void wxMDIChildFrame::MacActivate(long timestamp, bool activating)
 297 {
 298     wxLogDebug(wxT("MDI child=%p  MacActivate(0x%08lx,%s)"),this,timestamp,activating?wxT("ACTIV"):wxT("deact"));
 299     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 300     wxASSERT(mdiparent);
 301     if(activating)
 302     {
 303         if(s_macDeactivateWindow == m_parent)
 304         {
 305             wxLogDebug(wxT("parent had been scheduled for deactivation, rehighlighting"));
 306             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 307             wxLogDebug(wxT("done highliting parent"));
 308             s_macDeactivateWindow = NULL;
 309         }
 310         else if((mdiparent->m_currentChild==this) || !s_macDeactivateWindow)
 311             mdiparent->wxFrame::MacActivate(timestamp,activating);
 312
 313         if(mdiparent->m_currentChild && mdiparent->m_currentChild!=this)
 314             mdiparent->m_currentChild->wxFrame::MacActivate(timestamp,false);
 315         mdiparent->m_currentChild = this;
 316
 317         if(s_macDeactivateWindow==this)
 318         {
 319             wxLogDebug(wxT("Avoided deactivation/activation of this=%p"),this);
 320             s_macDeactivateWindow=NULL;
 321         }
 322         else
 323             wxFrame::MacActivate(timestamp, activating);
 324     }
 325     else
 326     {
 327         // We were scheduled for deactivation, and now we do it.
 328         if(s_macDeactivateWindow==this)
 329         {
 330             s_macDeactivateWindow = NULL;
 331             wxFrame::MacActivate(timestamp,activating);
 332             if(mdiparent->m_currentChild==this)
 333                 mdiparent->wxFrame::MacActivate(timestamp,activating);
 334         }
 335         else // schedule ourselves for deactivation
 336         {
 337             if(s_macDeactivateWindow)
 338                 wxLogDebug(wxT("window=%p SHOULD have been deactivated, oh well!"),s_macDeactivateWindow);
 339             wxLogDebug(wxT("Scheduling delayed deactivation"));
 340             s_macDeactivateWindow = this;
 341         }
 342     }
 343 }
 344
 345 // MDI operations
 346 void wxMDIChildFrame::Maximize()
 347 {
 348     wxFrame::Maximize() ;
 349 }
 350
 351 void wxMDIChildFrame::Restore()
 352 {
 353     wxFrame::Restore() ;
 354 }
 355
 356 void wxMDIChildFrame::Activate()
 357 {
 358 }
 359
 360 //-----------------------------------------------------------------------------
 361 // wxMDIClientWindow
 362 //-----------------------------------------------------------------------------
 363
 364 wxMDIClientWindow::wxMDIClientWindow()
 365 {
 366 }
 367
 368 wxMDIClientWindow::~wxMDIClientWindow()
 369 {
 370     DestroyChildren();
 371 }
 372
 373 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 374 {
 375     if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style))
 376         return FALSE;
 377
 378     wxModelessWindows.Append(this);
 379     return TRUE;
 380 }
 381
 382 // Get size *available for subwindows* i.e. excluding menu bar.
 383 void wxMDIClientWindow::DoGetClientSize(int *x, int *y) const
 384 {
 385     wxDisplaySize( x , y ) ;
 386 }
 387
 388 // Explicitly call default scroll behaviour
 389 void wxMDIClientWindow::OnScroll(wxScrollEvent& event)
 390 {
 391 }
 392