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/dcmemory.h"
  17     #include "wx/log.h"
  18 #endif // WX_PRECOMP
  19
  20 #include "wx/hashmap.h"
  21 #include "wx/evtloop.h"
  22 #include "wx/tooltip.h"
  23 #include "wx/nonownedwnd.h"
  24
  25 #include "wx/osx/private.h"
  26 #include "wx/settings.h"
  27 #include "wx/frame.h"
  28
  29 #if wxUSE_SYSTEM_OPTIONS
  30     #include "wx/sysopt.h"
  31 #endif
  32
  33 // ----------------------------------------------------------------------------
  34 // constants
  35 // ----------------------------------------------------------------------------
  36
  37 // trace mask for activation tracing messages
  38 #define TRACE_ACTIVATE "activation"
  39
  40 wxWindow* g_MacLastWindow = NULL ;
  41
  42 clock_t wxNonOwnedWindow::s_lastFlush = 0;
  43
  44 // unified title and toolbar constant - not in Tiger headers, so we duplicate it here
  45 #define kWindowUnifiedTitleAndToolbarAttribute (1 << 7)
  46
  47 // ---------------------------------------------------------------------------
  48 // wxWindowMac utility functions
  49 // ---------------------------------------------------------------------------
  50
  51 WX_DECLARE_HASH_MAP(WXWindow, wxNonOwnedWindowImpl*, wxPointerHash, wxPointerEqual, MacWindowMap);
  52
  53 static MacWindowMap wxWinMacWindowList;
  54
  55 wxNonOwnedWindow* wxNonOwnedWindow::GetFromWXWindow( WXWindow win )
  56 {
  57     wxNonOwnedWindowImpl* impl = wxNonOwnedWindowImpl::FindFromWXWindow(win);
  58
  59     return ( impl != NULL ? impl->GetWXPeer() : NULL ) ;
  60 }
  61
  62 wxNonOwnedWindowImpl* wxNonOwnedWindowImpl::FindFromWXWindow (WXWindow window)
  63 {
  64     MacWindowMap::iterator node = wxWinMacWindowList.find(window);
  65
  66     return (node == wxWinMacWindowList.end()) ? NULL : node->second;
  67 }
  68
  69 void wxNonOwnedWindowImpl::RemoveAssociations( wxNonOwnedWindowImpl* impl)
  70 {
  71     MacWindowMap::iterator it;
  72     for ( it = wxWinMacWindowList.begin(); it != wxWinMacWindowList.end(); ++it )
  73     {
  74         if ( it->second == impl )
  75         {
  76             wxWinMacWindowList.erase(it);
  77             break;
  78         }
  79     }
  80 }
  81
  82 void wxNonOwnedWindowImpl::Associate( WXWindow window, wxNonOwnedWindowImpl *impl )
  83 {
  84     // adding NULL WindowRef is (first) surely a result of an error and
  85     // nothing else :-)
  86     wxCHECK_RET( window != (WXWindow) NULL, wxT("attempt to add a NULL WindowRef to window list") );
  87
  88     wxWinMacWindowList[window] = impl;
  89 }
  90
  91 // ----------------------------------------------------------------------------
  92 // wxNonOwnedWindow creation
  93 // ----------------------------------------------------------------------------
  94
  95 IMPLEMENT_ABSTRACT_CLASS( wxNonOwnedWindowImpl , wxObject )
  96
  97 wxNonOwnedWindow *wxNonOwnedWindow::s_macDeactivateWindow = NULL;
  98
  99 void wxNonOwnedWindow::Init()
 100 {
 101     m_nowpeer = NULL;
 102     m_isNativeWindowWrapper = false;
 103 }
 104
 105 bool wxNonOwnedWindow::Create(wxWindow *parent,
 106                                  wxWindowID id,
 107                                  const wxPoint& posOrig,
 108                                  const wxSize& sizeOrig,
 109                                  long style,
 110                                  const wxString& name)
 111 {
 112     m_windowStyle = style;
 113
 114     SetName( name );
 115
 116     m_windowId = id == -1 ? NewControlId() : id;
 117     m_windowStyle = style;
 118     m_isShown = false;
 119
 120     // use the appropriate defaults for the position and size if necessary
 121     wxSize size(sizeOrig);
 122     if ( !size.IsFullySpecified() )
 123         size.SetDefaults(wxTopLevelWindow::GetDefaultSize());
 124
 125     wxPoint pos(posOrig);
 126     if ( !pos.IsFullySpecified() )
 127     {
 128         wxRect rectWin = wxRect(size).CentreIn(wxGetClientDisplayRect());
 129
 130         // The size of the window is often not really known yet, TLWs are often
 131         // created with some small initial size and later are fitted to contain
 132         // their children so centering the window will show it too much to the
 133         // right and bottom, adjust for it by putting it more to the left and
 134         // center.
 135         rectWin.x /= 2;
 136         rectWin.y /= 2;
 137
 138         pos.SetDefaults(rectWin.GetPosition());
 139     }
 140
 141     // create frame.
 142     m_nowpeer = wxNonOwnedWindowImpl::CreateNonOwnedWindow
 143                 (
 144                     this, parent,
 145                     pos , size,
 146                     style, GetExtraStyle(),
 147                     name
 148                 );
 149     wxNonOwnedWindowImpl::Associate( m_nowpeer->GetWXWindow() , m_nowpeer ) ;
 150     SetPeer(wxWidgetImpl::CreateContentView(this));
 151
 152     DoSetWindowVariant( m_windowVariant ) ;
 153
 154     wxWindowCreateEvent event(this);
 155     HandleWindowEvent(event);
 156
 157     SetBackgroundColour(wxSystemSettings::GetColour( wxSYS_COLOUR_3DFACE ));
 158
 159     if ( parent )
 160         parent->AddChild(this);
 161
 162     return true;
 163 }
 164
 165 bool wxNonOwnedWindow::Create(wxWindow *parent, WXWindow nativeWindow)
 166 {
 167     if ( parent )
 168         parent->AddChild(this);
 169
 170     SubclassWin(nativeWindow);
 171
 172     return true;
 173 }
 174
 175 void wxNonOwnedWindow::SubclassWin(WXWindow nativeWindow)
 176 {
 177     wxASSERT_MSG( !m_isNativeWindowWrapper, wxT("subclassing window twice?") );
 178     wxASSERT_MSG( m_nowpeer == NULL, wxT("window already was created") );
 179
 180     m_nowpeer = wxNonOwnedWindowImpl::CreateNonOwnedWindow(this, GetParent(), nativeWindow );
 181     m_isNativeWindowWrapper = true;
 182     wxNonOwnedWindowImpl::Associate( m_nowpeer->GetWXWindow() , m_nowpeer ) ;
 183     SetPeer(wxWidgetImpl::CreateContentView(this));
 184 }
 185
 186 void wxNonOwnedWindow::UnsubclassWin()
 187 {
 188     wxASSERT_MSG( m_isNativeWindowWrapper, wxT("window was not subclassed") );
 189
 190     if ( GetParent() )
 191         GetParent()->RemoveChild(this);
 192
 193     wxNonOwnedWindowImpl::RemoveAssociations(m_nowpeer) ;
 194     wxDELETE(m_nowpeer);
 195     SetPeer(NULL);
 196     m_isNativeWindowWrapper = false;
 197 }
 198
 199
 200 wxNonOwnedWindow::~wxNonOwnedWindow()
 201 {
 202     SendDestroyEvent();
 203
 204     wxNonOwnedWindowImpl::RemoveAssociations(m_nowpeer) ;
 205
 206     DestroyChildren();
 207
 208     wxDELETE(m_nowpeer);
 209
 210     // avoid dangling refs
 211     if ( s_macDeactivateWindow == this )
 212         s_macDeactivateWindow = NULL;
 213 }
 214
 215 bool wxNonOwnedWindow::Destroy()
 216 {
 217     WillBeDestroyed();
 218
 219     return wxWindow::Destroy();
 220 }
 221
 222 void wxNonOwnedWindow::WillBeDestroyed()
 223 {
 224     if ( m_nowpeer )
 225         m_nowpeer->WillBeDestroyed();
 226 }
 227
 228 // ----------------------------------------------------------------------------
 229 // wxNonOwnedWindow misc
 230 // ----------------------------------------------------------------------------
 231
 232 bool wxNonOwnedWindow::OSXShowWithEffect(bool show,
 233                                          wxShowEffect effect,
 234                                          unsigned timeout)
 235 {
 236     // Cocoa code needs to manage window visibility on its own and so calls
 237     // wxWindow::Show() as needed but if we already changed the internal
 238     // visibility flag here, Show() would do nothing, so avoid doing it
 239 #if wxOSX_USE_CARBON
 240     if ( !wxWindow::Show(show) )
 241         return false;
 242 #endif // Carbon
 243
 244     if ( effect == wxSHOW_EFFECT_NONE ||
 245             !m_nowpeer || !m_nowpeer->ShowWithEffect(show, effect, timeout) )
 246         return Show(show);
 247
 248     if ( show )
 249     {
 250         // as apps expect a size event to occur when the window is shown,
 251         // generate one when it is shown with effect too
 252         wxSizeEvent event(GetSize(), m_windowId);
 253         event.SetEventObject(this);
 254         HandleWindowEvent(event);
 255     }
 256
 257     return true;
 258 }
 259
 260 wxPoint wxNonOwnedWindow::GetClientAreaOrigin() const
 261 {
 262     int left, top, width, height;
 263     m_nowpeer->GetContentArea(left, top, width, height);
 264     return wxPoint(left, top);
 265 }
 266
 267 bool wxNonOwnedWindow::SetBackgroundColour(const wxColour& c )
 268 {
 269     if ( !wxWindow::SetBackgroundColour(c) && m_hasBgCol )
 270         return false ;
 271
 272     if ( GetBackgroundStyle() != wxBG_STYLE_CUSTOM )
 273     {
 274         if ( m_nowpeer )
 275             return m_nowpeer->SetBackgroundColour(c);
 276     }
 277     return true;
 278 }
 279
 280 void wxNonOwnedWindow::SetWindowStyleFlag(long flags)
 281 {
 282     if (flags == GetWindowStyleFlag())
 283         return;
 284
 285     wxWindow::SetWindowStyleFlag(flags);
 286
 287     if (m_nowpeer)
 288         m_nowpeer->SetWindowStyleFlag(flags);
 289 }
 290
 291 // Raise the window to the top of the Z order
 292 void wxNonOwnedWindow::Raise()
 293 {
 294     m_nowpeer->Raise();
 295 }
 296
 297 // Lower the window to the bottom of the Z order
 298 void wxNonOwnedWindow::Lower()
 299 {
 300     m_nowpeer->Lower();
 301 }
 302
 303 void wxNonOwnedWindow::HandleActivated( double timestampsec, bool didActivate )
 304 {
 305     MacActivate( (int) (timestampsec * 1000) , didActivate);
 306     wxActivateEvent wxevent(wxEVT_ACTIVATE, didActivate , GetId());
 307     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 308     wxevent.SetEventObject(this);
 309     HandleWindowEvent(wxevent);
 310 }
 311
 312 void wxNonOwnedWindow::HandleResized( double timestampsec )
 313 {
 314     wxSizeEvent wxevent( GetSize() , GetId());
 315     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 316     wxevent.SetEventObject( this );
 317     HandleWindowEvent(wxevent);
 318     // we have to inform some controls that have to reset things
 319     // relative to the toplevel window (e.g. OpenGL buffers)
 320     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 321 }
 322
 323 void wxNonOwnedWindow::HandleResizing( double WXUNUSED(timestampsec), wxRect* rect )
 324 {
 325     wxRect r = *rect ;
 326
 327     // this is a EVT_SIZING not a EVT_SIZE type !
 328     wxSizeEvent wxevent( r , GetId() ) ;
 329     wxevent.SetEventObject( this ) ;
 330     if ( HandleWindowEvent(wxevent) )
 331         r = wxevent.GetRect() ;
 332
 333     if ( GetMaxWidth() != -1 && r.GetWidth() > GetMaxWidth() )
 334         r.SetWidth( GetMaxWidth() ) ;
 335     if ( GetMaxHeight() != -1 && r.GetHeight() > GetMaxHeight() )
 336         r.SetHeight( GetMaxHeight() ) ;
 337     if ( GetMinWidth() != -1 && r.GetWidth() < GetMinWidth() )
 338         r.SetWidth( GetMinWidth() ) ;
 339     if ( GetMinHeight() != -1 && r.GetHeight() < GetMinHeight() )
 340         r.SetHeight( GetMinHeight() ) ;
 341
 342     *rect = r;
 343     // TODO actuall this is too early, in case the window extents are adjusted
 344     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 345 }
 346
 347 void wxNonOwnedWindow::HandleMoved( double timestampsec )
 348 {
 349     wxMoveEvent wxevent( GetPosition() , GetId());
 350     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 351     wxevent.SetEventObject( this );
 352     HandleWindowEvent(wxevent);
 353 }
 354
 355 void wxNonOwnedWindow::MacDelayedDeactivation(long timestamp)
 356 {
 357     if (s_macDeactivateWindow)
 358     {
 359         wxLogTrace(TRACE_ACTIVATE,
 360                    wxT("Doing delayed deactivation of %p"),
 361                    s_macDeactivateWindow);
 362
 363         s_macDeactivateWindow->MacActivate(timestamp, false);
 364     }
 365 }
 366
 367 void wxNonOwnedWindow::MacActivate( long timestamp , bool WXUNUSED(inIsActivating) )
 368 {
 369     wxLogTrace(TRACE_ACTIVATE, wxT("TopLevel=%p::MacActivate"), this);
 370
 371     if (s_macDeactivateWindow == this)
 372         s_macDeactivateWindow = NULL;
 373
 374     MacDelayedDeactivation(timestamp);
 375 }
 376
 377 bool wxNonOwnedWindow::Show(bool show)
 378 {
 379     if ( !wxWindow::Show(show) )
 380         return false;
 381
 382     if ( m_nowpeer )
 383         m_nowpeer->Show(show);
 384
 385     if ( show )
 386     {
 387         // because apps expect a size event to occur at this moment
 388         wxSizeEvent event(GetSize() , m_windowId);
 389         event.SetEventObject(this);
 390         HandleWindowEvent(event);
 391     }
 392
 393     return true ;
 394 }
 395
 396 bool wxNonOwnedWindow::SetTransparent(wxByte alpha)
 397 {
 398     return m_nowpeer->SetTransparent(alpha);
 399 }
 400
 401
 402 bool wxNonOwnedWindow::CanSetTransparent()
 403 {
 404     return m_nowpeer->CanSetTransparent();
 405 }
 406
 407
 408 void wxNonOwnedWindow::SetExtraStyle(long exStyle)
 409 {
 410     if ( GetExtraStyle() == exStyle )
 411         return ;
 412
 413     wxWindow::SetExtraStyle( exStyle ) ;
 414
 415     if ( m_nowpeer )
 416         m_nowpeer->SetExtraStyle(exStyle);
 417 }
 418
 419 bool wxNonOwnedWindow::SetBackgroundStyle(wxBackgroundStyle style)
 420 {
 421     if ( !wxWindow::SetBackgroundStyle(style) )
 422         return false ;
 423
 424     return m_nowpeer ? m_nowpeer->SetBackgroundStyle(style) : true;
 425 }
 426
 427 void wxNonOwnedWindow::DoMoveWindow(int x, int y, int width, int height)
 428 {
 429     if ( m_nowpeer == NULL )
 430         return;
 431
 432     m_cachedClippedRectValid = false ;
 433
 434     m_nowpeer->MoveWindow(x, y, width, height);
 435     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 436 }
 437
 438 void wxNonOwnedWindow::DoGetPosition( int *x, int *y ) const
 439 {
 440     if ( m_nowpeer == NULL )
 441         return;
 442
 443     int x1,y1 ;
 444     m_nowpeer->GetPosition(x1, y1);
 445
 446     if (x)
 447        *x = x1 ;
 448     if (y)
 449        *y = y1 ;
 450 }
 451
 452 void wxNonOwnedWindow::DoGetSize( int *width, int *height ) const
 453 {
 454     if ( m_nowpeer == NULL )
 455         return;
 456
 457     int w,h;
 458
 459     m_nowpeer->GetSize(w, h);
 460
 461     if (width)
 462        *width = w ;
 463     if (height)
 464        *height = h ;
 465 }
 466
 467 void wxNonOwnedWindow::DoGetClientSize( int *width, int *height ) const
 468 {
 469     if ( m_nowpeer == NULL )
 470         return;
 471
 472     int left, top, w, h;
 473     // under iphone with a translucent status bar the m_nowpeer returns the
 474     // inner area, while the content area extends under the translucent
 475     // status bar, therefore we use the content view's area
 476 #ifdef __WXOSX_IPHONE__
 477     GetPeer()->GetContentArea(left, top, w, h);
 478 #else
 479     m_nowpeer->GetContentArea(left, top, w, h);
 480 #endif
 481
 482     if (width)
 483        *width = w ;
 484     if (height)
 485        *height = h ;
 486 }
 487
 488 void wxNonOwnedWindow::WindowWasPainted()
 489 {
 490     s_lastFlush = clock();
 491 }
 492
 493 void wxNonOwnedWindow::Update()
 494 {
 495     if ( clock() - s_lastFlush > CLOCKS_PER_SEC / 30 )
 496     {
 497         s_lastFlush = clock();
 498         m_nowpeer->Update();
 499     }
 500 }
 501
 502 WXWindow wxNonOwnedWindow::GetWXWindow() const
 503 {
 504     return m_nowpeer ? m_nowpeer->GetWXWindow() : NULL;
 505 }
 506
 507 // ---------------------------------------------------------------------------
 508 // Shape implementation
 509 // ---------------------------------------------------------------------------
 510
 511 bool wxNonOwnedWindow::DoClearShape()
 512 {
 513     m_shape.Clear();
 514
 515     wxSize sz = GetClientSize();
 516     wxRegion region(0, 0, sz.x, sz.y);
 517
 518     return m_nowpeer->SetShape(region);
 519 }
 520
 521 bool wxNonOwnedWindow::DoSetRegionShape(const wxRegion& region)
 522 {
 523     m_shape = region;
 524
 525     return m_nowpeer->SetShape(region);
 526 }
 527
 528 #if wxUSE_GRAPHICS_CONTEXT
 529
 530 #include "wx/scopedptr.h"
 531
 532 bool wxNonOwnedWindow::DoSetPathShape(const wxGraphicsPath& path)
 533 {
 534     m_shapePath = path;
 535
 536     // Convert the path to wxRegion by rendering the path on a window-sized
 537     // bitmap, creating a mask from it and finally creating the region from
 538     // this mask.
 539     wxBitmap bmp(GetSize());
 540
 541     {
 542         wxMemoryDC dc(bmp);
 543         dc.SetBackground(*wxBLACK);
 544         dc.Clear();
 545
 546         wxScopedPtr<wxGraphicsContext> context(wxGraphicsContext::Create(dc));
 547         context->SetBrush(*wxWHITE);
 548         context->FillPath(m_shapePath);
 549     }
 550
 551     bmp.SetMask(new wxMask(bmp, *wxBLACK));
 552
 553     return DoSetRegionShape(wxRegion(bmp));
 554 }
 555
 556 #endif // wxUSE_GRAPHICS_CONTEXT