src/osx/nonownedwnd_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/nonownedwnd_osx.cpp
   3 // Purpose:     implementation of wxNonOwnedWindow
   4 // Author:      Stefan Csomor
   5 // Created:     2008-03-24
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Stefan Csomor 2008
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifndef WX_PRECOMP
  15     #include "wx/app.h"
  16     #include "wx/log.h"
  17 #endif // WX_PRECOMP
  18
  19 #include "wx/hashmap.h"
  20 #include "wx/evtloop.h"
  21 #include "wx/tooltip.h"
  22 #include "wx/nonownedwnd.h"
  23
  24 #include "wx/osx/private.h"
  25 #include "wx/settings.h"
  26 #include "wx/frame.h"
  27
  28 #if wxUSE_SYSTEM_OPTIONS
  29     #include "wx/sysopt.h"
  30 #endif
  31
  32 // ----------------------------------------------------------------------------
  33 // constants
  34 // ----------------------------------------------------------------------------
  35
  36 // trace mask for activation tracing messages
  37 #define TRACE_ACTIVATE "activation"
  38
  39 wxWindow* g_MacLastWindow = NULL ;
  40
  41 // unified title and toolbar constant - not in Tiger headers, so we duplicate it here
  42 #define kWindowUnifiedTitleAndToolbarAttribute (1 << 7)
  43
  44 // ---------------------------------------------------------------------------
  45 // wxWindowMac utility functions
  46 // ---------------------------------------------------------------------------
  47
  48 WX_DECLARE_HASH_MAP(WXWindow, wxNonOwnedWindowImpl*, wxPointerHash, wxPointerEqual, MacWindowMap);
  49
  50 static MacWindowMap wxWinMacWindowList;
  51
  52 wxNonOwnedWindow* wxNonOwnedWindow::GetFromWXWindow( WXWindow win )
  53 {
  54     wxNonOwnedWindowImpl* impl = wxNonOwnedWindowImpl::FindFromWXWindow(win);
  55
  56     return ( impl != NULL ? impl->GetWXPeer() : NULL ) ;
  57 }
  58
  59 wxNonOwnedWindowImpl* wxNonOwnedWindowImpl::FindFromWXWindow (WXWindow window)
  60 {
  61     MacWindowMap::iterator node = wxWinMacWindowList.find(window);
  62
  63     return (node == wxWinMacWindowList.end()) ? NULL : node->second;
  64 }
  65
  66 void wxNonOwnedWindowImpl::RemoveAssociations( wxNonOwnedWindowImpl* impl)
  67 {
  68     MacWindowMap::iterator it;
  69     for ( it = wxWinMacWindowList.begin(); it != wxWinMacWindowList.end(); ++it )
  70     {
  71         if ( it->second == impl )
  72         {
  73             wxWinMacWindowList.erase(it);
  74             break;
  75         }
  76     }
  77 }
  78
  79 void wxNonOwnedWindowImpl::Associate( WXWindow window, wxNonOwnedWindowImpl *impl )
  80 {
  81     // adding NULL WindowRef is (first) surely a result of an error and
  82     // nothing else :-)
  83     wxCHECK_RET( window != (WXWindow) NULL, wxT("attempt to add a NULL WindowRef to window list") );
  84
  85     wxWinMacWindowList[window] = impl;
  86 }
  87
  88 // ----------------------------------------------------------------------------
  89 // wxNonOwnedWindow creation
  90 // ----------------------------------------------------------------------------
  91
  92 IMPLEMENT_ABSTRACT_CLASS( wxNonOwnedWindowImpl , wxObject )
  93
  94 wxNonOwnedWindow *wxNonOwnedWindow::s_macDeactivateWindow = NULL;
  95
  96 void wxNonOwnedWindow::Init()
  97 {
  98     m_nowpeer = NULL;
  99     m_isNativeWindowWrapper = false;
 100 }
 101
 102 bool wxNonOwnedWindow::Create(wxWindow *parent,
 103                                  wxWindowID id,
 104                                  const wxPoint& posOrig,
 105                                  const wxSize& sizeOrig,
 106                                  long style,
 107                                  const wxString& name)
 108 {
 109     m_windowStyle = style;
 110
 111     SetName( name );
 112
 113     m_windowId = id == -1 ? NewControlId() : id;
 114     m_windowStyle = style;
 115     m_isShown = false;
 116
 117     // use the appropriate defaults for the position and size if necessary
 118     wxSize size(sizeOrig);
 119     if ( !size.IsFullySpecified() )
 120         size.SetDefaults(wxTopLevelWindow::GetDefaultSize());
 121
 122     wxPoint pos(posOrig);
 123     if ( !pos.IsFullySpecified() )
 124     {
 125         wxRect rectWin = wxRect(size).CentreIn(wxGetClientDisplayRect());
 126
 127         // The size of the window is often not really known yet, TLWs are often
 128         // created with some small initial size and later are fitted to contain
 129         // their children so centering the window will show it too much to the
 130         // right and bottom, adjust for it by putting it more to the left and
 131         // center.
 132         rectWin.x /= 2;
 133         rectWin.y /= 2;
 134
 135         pos.SetDefaults(rectWin.GetPosition());
 136     }
 137
 138     // create frame.
 139     m_nowpeer = wxNonOwnedWindowImpl::CreateNonOwnedWindow
 140                 (
 141                     this, parent,
 142                     pos , size,
 143                     style, GetExtraStyle(),
 144                     name
 145                 );
 146     wxNonOwnedWindowImpl::Associate( m_nowpeer->GetWXWindow() , m_nowpeer ) ;
 147     SetPeer(wxWidgetImpl::CreateContentView(this));
 148
 149     DoSetWindowVariant( m_windowVariant ) ;
 150
 151     wxWindowCreateEvent event(this);
 152     HandleWindowEvent(event);
 153
 154     SetBackgroundColour(wxSystemSettings::GetColour( wxSYS_COLOUR_3DFACE ));
 155
 156     if ( parent )
 157         parent->AddChild(this);
 158
 159     return true;
 160 }
 161
 162 bool wxNonOwnedWindow::Create(wxWindow *parent, WXWindow nativeWindow)
 163 {
 164     if ( parent )
 165         parent->AddChild(this);
 166
 167     SubclassWin(nativeWindow);
 168
 169     return true;
 170 }
 171
 172 void wxNonOwnedWindow::SubclassWin(WXWindow nativeWindow)
 173 {
 174     wxASSERT_MSG( !m_isNativeWindowWrapper, wxT("subclassing window twice?") );
 175     wxASSERT_MSG( m_nowpeer == NULL, wxT("window already was created") );
 176
 177     m_nowpeer = wxNonOwnedWindowImpl::CreateNonOwnedWindow(this, GetParent(), nativeWindow );
 178     m_isNativeWindowWrapper = true;
 179     wxNonOwnedWindowImpl::Associate( m_nowpeer->GetWXWindow() , m_nowpeer ) ;
 180     SetPeer(wxWidgetImpl::CreateContentView(this));
 181 }
 182
 183 void wxNonOwnedWindow::UnsubclassWin()
 184 {
 185     wxASSERT_MSG( m_isNativeWindowWrapper, wxT("window was not subclassed") );
 186
 187     if ( GetParent() )
 188         GetParent()->RemoveChild(this);
 189
 190     wxNonOwnedWindowImpl::RemoveAssociations(m_nowpeer) ;
 191     wxDELETE(m_nowpeer);
 192     SetPeer(NULL);
 193     m_isNativeWindowWrapper = false;
 194 }
 195
 196
 197 wxNonOwnedWindow::~wxNonOwnedWindow()
 198 {
 199     SendDestroyEvent();
 200
 201     wxNonOwnedWindowImpl::RemoveAssociations(m_nowpeer) ;
 202
 203     DestroyChildren();
 204
 205     wxDELETE(m_nowpeer);
 206
 207     // avoid dangling refs
 208     if ( s_macDeactivateWindow == this )
 209         s_macDeactivateWindow = NULL;
 210 }
 211
 212 bool wxNonOwnedWindow::Destroy()
 213 {
 214     WillBeDestroyed();
 215
 216     return wxWindow::Destroy();
 217 }
 218
 219 void wxNonOwnedWindow::WillBeDestroyed()
 220 {
 221     if ( m_nowpeer )
 222         m_nowpeer->WillBeDestroyed();
 223 }
 224
 225 // ----------------------------------------------------------------------------
 226 // wxNonOwnedWindow misc
 227 // ----------------------------------------------------------------------------
 228
 229 bool wxNonOwnedWindow::OSXShowWithEffect(bool show,
 230                                          wxShowEffect effect,
 231                                          unsigned timeout)
 232 {
 233     // Cocoa code needs to manage window visibility on its own and so calls
 234     // wxWindow::Show() as needed but if we already changed the internal
 235     // visibility flag here, Show() would do nothing, so avoid doing it
 236 #if wxOSX_USE_CARBON
 237     if ( !wxWindow::Show(show) )
 238         return false;
 239 #endif // Carbon
 240
 241     if ( effect == wxSHOW_EFFECT_NONE ||
 242             !m_nowpeer || !m_nowpeer->ShowWithEffect(show, effect, timeout) )
 243         return Show(show);
 244
 245     if ( show )
 246     {
 247         // as apps expect a size event to occur when the window is shown,
 248         // generate one when it is shown with effect too
 249         wxSizeEvent event(GetSize(), m_windowId);
 250         event.SetEventObject(this);
 251         HandleWindowEvent(event);
 252     }
 253
 254     return true;
 255 }
 256
 257 wxPoint wxNonOwnedWindow::GetClientAreaOrigin() const
 258 {
 259     int left, top, width, height;
 260     m_nowpeer->GetContentArea(left, top, width, height);
 261     return wxPoint(left, top);
 262 }
 263
 264 bool wxNonOwnedWindow::SetBackgroundColour(const wxColour& c )
 265 {
 266     if ( !wxWindow::SetBackgroundColour(c) && m_hasBgCol )
 267         return false ;
 268
 269     if ( GetBackgroundStyle() != wxBG_STYLE_CUSTOM )
 270     {
 271         if ( m_nowpeer )
 272             return m_nowpeer->SetBackgroundColour(c);
 273     }
 274     return true;
 275 }
 276
 277 void wxNonOwnedWindow::SetWindowStyleFlag(long flags)
 278 {
 279     if (flags == GetWindowStyleFlag())
 280         return;
 281
 282     wxWindow::SetWindowStyleFlag(flags);
 283
 284     if (m_nowpeer)
 285         m_nowpeer->SetWindowStyleFlag(flags);
 286 }
 287
 288 // Raise the window to the top of the Z order
 289 void wxNonOwnedWindow::Raise()
 290 {
 291     m_nowpeer->Raise();
 292 }
 293
 294 // Lower the window to the bottom of the Z order
 295 void wxNonOwnedWindow::Lower()
 296 {
 297     m_nowpeer->Lower();
 298 }
 299
 300 void wxNonOwnedWindow::HandleActivated( double timestampsec, bool didActivate )
 301 {
 302     MacActivate( (int) (timestampsec * 1000) , didActivate);
 303     wxActivateEvent wxevent(wxEVT_ACTIVATE, didActivate , GetId());
 304     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 305     wxevent.SetEventObject(this);
 306     HandleWindowEvent(wxevent);
 307 }
 308
 309 void wxNonOwnedWindow::HandleResized( double timestampsec )
 310 {
 311     wxSizeEvent wxevent( GetSize() , GetId());
 312     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 313     wxevent.SetEventObject( this );
 314     HandleWindowEvent(wxevent);
 315     // we have to inform some controls that have to reset things
 316     // relative to the toplevel window (e.g. OpenGL buffers)
 317     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 318 }
 319
 320 void wxNonOwnedWindow::HandleResizing( double WXUNUSED(timestampsec), wxRect* rect )
 321 {
 322     wxRect r = *rect ;
 323
 324     // this is a EVT_SIZING not a EVT_SIZE type !
 325     wxSizeEvent wxevent( r , GetId() ) ;
 326     wxevent.SetEventObject( this ) ;
 327     if ( HandleWindowEvent(wxevent) )
 328         r = wxevent.GetRect() ;
 329
 330     if ( GetMaxWidth() != -1 && r.GetWidth() > GetMaxWidth() )
 331         r.SetWidth( GetMaxWidth() ) ;
 332     if ( GetMaxHeight() != -1 && r.GetHeight() > GetMaxHeight() )
 333         r.SetHeight( GetMaxHeight() ) ;
 334     if ( GetMinWidth() != -1 && r.GetWidth() < GetMinWidth() )
 335         r.SetWidth( GetMinWidth() ) ;
 336     if ( GetMinHeight() != -1 && r.GetHeight() < GetMinHeight() )
 337         r.SetHeight( GetMinHeight() ) ;
 338
 339     *rect = r;
 340     // TODO actuall this is too early, in case the window extents are adjusted
 341     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 342 }
 343
 344 void wxNonOwnedWindow::HandleMoved( double timestampsec )
 345 {
 346     wxMoveEvent wxevent( GetPosition() , GetId());
 347     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 348     wxevent.SetEventObject( this );
 349     HandleWindowEvent(wxevent);
 350 }
 351
 352 void wxNonOwnedWindow::MacDelayedDeactivation(long timestamp)
 353 {
 354     if (s_macDeactivateWindow)
 355     {
 356         wxLogTrace(TRACE_ACTIVATE,
 357                    wxT("Doing delayed deactivation of %p"),
 358                    s_macDeactivateWindow);
 359
 360         s_macDeactivateWindow->MacActivate(timestamp, false);
 361     }
 362 }
 363
 364 void wxNonOwnedWindow::MacActivate( long timestamp , bool WXUNUSED(inIsActivating) )
 365 {
 366     wxLogTrace(TRACE_ACTIVATE, wxT("TopLevel=%p::MacActivate"), this);
 367
 368     if (s_macDeactivateWindow == this)
 369         s_macDeactivateWindow = NULL;
 370
 371     MacDelayedDeactivation(timestamp);
 372 }
 373
 374 bool wxNonOwnedWindow::Show(bool show)
 375 {
 376     if ( !wxWindow::Show(show) )
 377         return false;
 378
 379     if ( m_nowpeer )
 380         m_nowpeer->Show(show);
 381
 382     if ( show )
 383     {
 384         // because apps expect a size event to occur at this moment
 385         wxSizeEvent event(GetSize() , m_windowId);
 386         event.SetEventObject(this);
 387         HandleWindowEvent(event);
 388     }
 389
 390     return true ;
 391 }
 392
 393 bool wxNonOwnedWindow::SetTransparent(wxByte alpha)
 394 {
 395     return m_nowpeer->SetTransparent(alpha);
 396 }
 397
 398
 399 bool wxNonOwnedWindow::CanSetTransparent()
 400 {
 401     return m_nowpeer->CanSetTransparent();
 402 }
 403
 404
 405 void wxNonOwnedWindow::SetExtraStyle(long exStyle)
 406 {
 407     if ( GetExtraStyle() == exStyle )
 408         return ;
 409
 410     wxWindow::SetExtraStyle( exStyle ) ;
 411
 412     if ( m_nowpeer )
 413         m_nowpeer->SetExtraStyle(exStyle);
 414 }
 415
 416 bool wxNonOwnedWindow::SetBackgroundStyle(wxBackgroundStyle style)
 417 {
 418     if ( !wxWindow::SetBackgroundStyle(style) )
 419         return false ;
 420
 421     return m_nowpeer ? m_nowpeer->SetBackgroundStyle(style) : true;
 422 }
 423
 424 void wxNonOwnedWindow::DoMoveWindow(int x, int y, int width, int height)
 425 {
 426     if ( m_nowpeer == NULL )
 427         return;
 428
 429     m_cachedClippedRectValid = false ;
 430
 431     m_nowpeer->MoveWindow(x, y, width, height);
 432     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 433 }
 434
 435 void wxNonOwnedWindow::DoGetPosition( int *x, int *y ) const
 436 {
 437     if ( m_nowpeer == NULL )
 438         return;
 439
 440     int x1,y1 ;
 441     m_nowpeer->GetPosition(x1, y1);
 442
 443     if (x)
 444        *x = x1 ;
 445     if (y)
 446        *y = y1 ;
 447 }
 448
 449 void wxNonOwnedWindow::DoGetSize( int *width, int *height ) const
 450 {
 451     if ( m_nowpeer == NULL )
 452         return;
 453
 454     int w,h;
 455
 456     m_nowpeer->GetSize(w, h);
 457
 458     if (width)
 459        *width = w ;
 460     if (height)
 461        *height = h ;
 462 }
 463
 464 void wxNonOwnedWindow::DoGetClientSize( int *width, int *height ) const
 465 {
 466     if ( m_nowpeer == NULL )
 467         return;
 468
 469     int left, top, w, h;
 470     // under iphone with a translucent status bar the m_nowpeer returns the
 471     // inner area, while the content area extends under the translucent
 472     // status bar, therefore we use the content view's area
 473 #ifdef __WXOSX_IPHONE__
 474     GetPeer()->GetContentArea(left, top, w, h);
 475 #else
 476     m_nowpeer->GetContentArea(left, top, w, h);
 477 #endif
 478
 479     if (width)
 480        *width = w ;
 481     if (height)
 482        *height = h ;
 483 }
 484
 485
 486 void wxNonOwnedWindow::Update()
 487 {
 488     m_nowpeer->Update();
 489 }
 490
 491 WXWindow wxNonOwnedWindow::GetWXWindow() const
 492 {
 493     return m_nowpeer ? m_nowpeer->GetWXWindow() : NULL;
 494 }
 495
 496 // ---------------------------------------------------------------------------
 497 // Shape implementation
 498 // ---------------------------------------------------------------------------
 499
 500
 501 bool wxNonOwnedWindow::SetShape(const wxRegion& region)
 502 {
 503     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 504                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
 505
 506     m_shape = region;
 507
 508     // The empty region signifies that the shape
 509     // should be removed from the window.
 510     if ( region.IsEmpty() )
 511     {
 512         wxSize sz = GetClientSize();
 513         wxRegion rgn(0, 0, sz.x, sz.y);
 514         if ( rgn.IsEmpty() )
 515             return false ;
 516         else
 517             return SetShape(rgn);
 518     }
 519
 520     return m_nowpeer->SetShape(region);
 521 }