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         SendSizeEvent();
 253     }
 254
 255     return true;
 256 }
 257
 258 wxPoint wxNonOwnedWindow::GetClientAreaOrigin() const
 259 {
 260     int left, top, width, height;
 261     m_nowpeer->GetContentArea(left, top, width, height);
 262     return wxPoint(left, top);
 263 }
 264
 265 bool wxNonOwnedWindow::SetBackgroundColour(const wxColour& c )
 266 {
 267     if ( !wxWindow::SetBackgroundColour(c) && m_hasBgCol )
 268         return false ;
 269
 270     if ( GetBackgroundStyle() != wxBG_STYLE_CUSTOM )
 271     {
 272         if ( m_nowpeer )
 273             return m_nowpeer->SetBackgroundColour(c);
 274     }
 275     return true;
 276 }
 277
 278 void wxNonOwnedWindow::SetWindowStyleFlag(long flags)
 279 {
 280     if (flags == GetWindowStyleFlag())
 281         return;
 282
 283     wxWindow::SetWindowStyleFlag(flags);
 284
 285     if (m_nowpeer)
 286         m_nowpeer->SetWindowStyleFlag(flags);
 287 }
 288
 289 // Raise the window to the top of the Z order
 290 void wxNonOwnedWindow::Raise()
 291 {
 292     m_nowpeer->Raise();
 293 }
 294
 295 // Lower the window to the bottom of the Z order
 296 void wxNonOwnedWindow::Lower()
 297 {
 298     m_nowpeer->Lower();
 299 }
 300
 301 void wxNonOwnedWindow::HandleActivated( double timestampsec, bool didActivate )
 302 {
 303     MacActivate( (int) (timestampsec * 1000) , didActivate);
 304     wxActivateEvent wxevent(wxEVT_ACTIVATE, didActivate , GetId());
 305     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 306     wxevent.SetEventObject(this);
 307     HandleWindowEvent(wxevent);
 308 }
 309
 310 void wxNonOwnedWindow::HandleResized( double timestampsec )
 311 {
 312     SendSizeEvent();
 313     // we have to inform some controls that have to reset things
 314     // relative to the toplevel window (e.g. OpenGL buffers)
 315     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 316 }
 317
 318 void wxNonOwnedWindow::HandleResizing( double WXUNUSED(timestampsec), wxRect* rect )
 319 {
 320     wxRect r = *rect ;
 321
 322     // this is a EVT_SIZING not a EVT_SIZE type !
 323     wxSizeEvent wxevent( r , GetId() ) ;
 324     wxevent.SetEventObject( this ) ;
 325     if ( HandleWindowEvent(wxevent) )
 326         r = wxevent.GetRect() ;
 327
 328     if ( GetMaxWidth() != -1 && r.GetWidth() > GetMaxWidth() )
 329         r.SetWidth( GetMaxWidth() ) ;
 330     if ( GetMaxHeight() != -1 && r.GetHeight() > GetMaxHeight() )
 331         r.SetHeight( GetMaxHeight() ) ;
 332     if ( GetMinWidth() != -1 && r.GetWidth() < GetMinWidth() )
 333         r.SetWidth( GetMinWidth() ) ;
 334     if ( GetMinHeight() != -1 && r.GetHeight() < GetMinHeight() )
 335         r.SetHeight( GetMinHeight() ) ;
 336
 337     *rect = r;
 338     // TODO actuall this is too early, in case the window extents are adjusted
 339     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 340 }
 341
 342 void wxNonOwnedWindow::HandleMoved( double timestampsec )
 343 {
 344     wxMoveEvent wxevent( GetPosition() , GetId());
 345     wxevent.SetTimestamp( (int) (timestampsec * 1000) );
 346     wxevent.SetEventObject( this );
 347     HandleWindowEvent(wxevent);
 348 }
 349
 350 void wxNonOwnedWindow::MacDelayedDeactivation(long timestamp)
 351 {
 352     if (s_macDeactivateWindow)
 353     {
 354         wxLogTrace(TRACE_ACTIVATE,
 355                    wxT("Doing delayed deactivation of %p"),
 356                    s_macDeactivateWindow);
 357
 358         s_macDeactivateWindow->MacActivate(timestamp, false);
 359     }
 360 }
 361
 362 void wxNonOwnedWindow::MacActivate( long timestamp , bool WXUNUSED(inIsActivating) )
 363 {
 364     wxLogTrace(TRACE_ACTIVATE, wxT("TopLevel=%p::MacActivate"), this);
 365
 366     if (s_macDeactivateWindow == this)
 367         s_macDeactivateWindow = NULL;
 368
 369     MacDelayedDeactivation(timestamp);
 370 }
 371
 372 bool wxNonOwnedWindow::Show(bool show)
 373 {
 374     if ( !wxWindow::Show(show) )
 375         return false;
 376
 377     if ( m_nowpeer )
 378         m_nowpeer->Show(show);
 379
 380     if ( show )
 381     {
 382         // because apps expect a size event to occur at this moment
 383         SendSizeEvent();
 384     }
 385
 386     return true ;
 387 }
 388
 389 bool wxNonOwnedWindow::SetTransparent(wxByte alpha)
 390 {
 391     return m_nowpeer->SetTransparent(alpha);
 392 }
 393
 394
 395 bool wxNonOwnedWindow::CanSetTransparent()
 396 {
 397     return m_nowpeer->CanSetTransparent();
 398 }
 399
 400
 401 void wxNonOwnedWindow::SetExtraStyle(long exStyle)
 402 {
 403     if ( GetExtraStyle() == exStyle )
 404         return ;
 405
 406     wxWindow::SetExtraStyle( exStyle ) ;
 407
 408     if ( m_nowpeer )
 409         m_nowpeer->SetExtraStyle(exStyle);
 410 }
 411
 412 bool wxNonOwnedWindow::SetBackgroundStyle(wxBackgroundStyle style)
 413 {
 414     if ( !wxWindow::SetBackgroundStyle(style) )
 415         return false ;
 416
 417     return m_nowpeer ? m_nowpeer->SetBackgroundStyle(style) : true;
 418 }
 419
 420 void wxNonOwnedWindow::DoMoveWindow(int x, int y, int width, int height)
 421 {
 422     if ( m_nowpeer == NULL )
 423         return;
 424
 425     m_cachedClippedRectValid = false ;
 426
 427     m_nowpeer->MoveWindow(x, y, width, height);
 428     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
 429 }
 430
 431 void wxNonOwnedWindow::DoGetPosition( int *x, int *y ) const
 432 {
 433     if ( m_nowpeer == NULL )
 434         return;
 435
 436     int x1,y1 ;
 437     m_nowpeer->GetPosition(x1, y1);
 438
 439     if (x)
 440        *x = x1 ;
 441     if (y)
 442        *y = y1 ;
 443 }
 444
 445 void wxNonOwnedWindow::DoGetSize( int *width, int *height ) const
 446 {
 447     if ( m_nowpeer == NULL )
 448         return;
 449
 450     int w,h;
 451
 452     m_nowpeer->GetSize(w, h);
 453
 454     if (width)
 455        *width = w ;
 456     if (height)
 457        *height = h ;
 458 }
 459
 460 void wxNonOwnedWindow::DoGetClientSize( int *width, int *height ) const
 461 {
 462     if ( m_nowpeer == NULL )
 463         return;
 464
 465     int left, top, w, h;
 466     // under iphone with a translucent status bar the m_nowpeer returns the
 467     // inner area, while the content area extends under the translucent
 468     // status bar, therefore we use the content view's area
 469 #ifdef __WXOSX_IPHONE__
 470     GetPeer()->GetContentArea(left, top, w, h);
 471 #else
 472     m_nowpeer->GetContentArea(left, top, w, h);
 473 #endif
 474
 475     if (width)
 476        *width = w ;
 477     if (height)
 478        *height = h ;
 479 }
 480
 481 void wxNonOwnedWindow::WindowWasPainted()
 482 {
 483     s_lastFlush = clock();
 484 }
 485
 486 void wxNonOwnedWindow::Update()
 487 {
 488     if ( clock() - s_lastFlush > CLOCKS_PER_SEC / 30 )
 489     {
 490         s_lastFlush = clock();
 491         m_nowpeer->Update();
 492     }
 493 }
 494
 495 WXWindow wxNonOwnedWindow::GetWXWindow() const
 496 {
 497     return m_nowpeer ? m_nowpeer->GetWXWindow() : NULL;
 498 }
 499
 500 // ---------------------------------------------------------------------------
 501 // Shape implementation
 502 // ---------------------------------------------------------------------------
 503
 504 bool wxNonOwnedWindow::DoClearShape()
 505 {
 506     m_shape.Clear();
 507
 508     wxSize sz = GetClientSize();
 509     wxRegion region(0, 0, sz.x, sz.y);
 510
 511     return m_nowpeer->SetShape(region);
 512 }
 513
 514 bool wxNonOwnedWindow::DoSetRegionShape(const wxRegion& region)
 515 {
 516     m_shape = region;
 517
 518     return m_nowpeer->SetShape(region);
 519 }
 520
 521 #if wxUSE_GRAPHICS_CONTEXT
 522
 523 #include "wx/scopedptr.h"
 524
 525 bool wxNonOwnedWindow::DoSetPathShape(const wxGraphicsPath& path)
 526 {
 527     m_shapePath = path;
 528
 529     // Convert the path to wxRegion by rendering the path on a window-sized
 530     // bitmap, creating a mask from it and finally creating the region from
 531     // this mask.
 532     wxBitmap bmp(GetSize());
 533
 534     {
 535         wxMemoryDC dc(bmp);
 536         dc.SetBackground(*wxBLACK);
 537         dc.Clear();
 538
 539         wxScopedPtr<wxGraphicsContext> context(wxGraphicsContext::Create(dc));
 540         context->SetBrush(*wxWHITE);
 541         context->FillPath(m_shapePath);
 542     }
 543
 544     bmp.SetMask(new wxMask(bmp, *wxBLACK));
 545
 546     return DoSetRegionShape(wxRegion(bmp));
 547 }
 548
 549 #endif // wxUSE_GRAPHICS_CONTEXT