/////////////////////////////////////////////////////////////////////////////
-// Name: display.cpp
+// Name: src/mac/carbon/display.cpp
// Purpose: Mac implementation of wxDisplay class
-// Author: Brian Victor
-// Modified by: Royce Mitchell III
+// Author: Ryan Norton & Brian Victor
+// Modified by: Royce Mitchell III, Vadim Zeitlin
// Created: 06/21/02
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
+// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "display.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
-// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#if wxUSE_DISPLAY
+#include "wx/display.h"
+
#ifndef WX_PRECOMP
- #include "wx/dynarray.h"
+ #include "wx/dynarray.h"
+ #include "wx/log.h"
+ #include "wx/string.h"
+ #include "wx/gdicmn.h"
#endif
-#ifdef __DARWIN__
- #include <Carbon/Carbon.h>
-#else
- #include <Displays.h>
- #include <Quickdraw.h>
-#endif
+#include <Carbon/Carbon.h>
-#include "wx/display.h"
-#include "wx/gdicmn.h"
-#include "wx/string.h"
+#include "wx/display_impl.h"
// ----------------------------------------------------------------------------
-// private classes
+// display classes implementation
// ----------------------------------------------------------------------------
-class wxDisplayMacPriv
+class wxDisplayImplMacOSX : public wxDisplayImpl
{
public:
- GDHandle m_hndl;
+ wxDisplayImplMacOSX(unsigned n, CGDirectDisplayID id)
+ : wxDisplayImpl(n),
+ m_id(id)
+ {
+ }
+
+ virtual wxRect GetGeometry() const;
+ virtual wxRect GetClientArea() const;
+ virtual wxString GetName() const { return wxString(); }
+
+ virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
+ virtual wxVideoMode GetCurrentMode() const;
+ virtual bool ChangeMode(const wxVideoMode& mode);
+
+private:
+ CGDirectDisplayID m_id;
+
+ DECLARE_NO_COPY_CLASS(wxDisplayImplMacOSX)
};
-size_t wxDisplayBase::GetCount()
+class wxDisplayFactoryMacOSX : public wxDisplayFactory
{
- GDHandle hndl;
- size_t num = 0;
- hndl = DMGetFirstScreenDevice(true);
- while(hndl)
- {
- num++;
- hndl = DMGetNextScreenDevice(hndl, true);
- }
- return num;
+public:
+ wxDisplayFactoryMacOSX() {}
+
+ virtual wxDisplayImpl *CreateDisplay(unsigned n);
+ virtual unsigned GetCount();
+ virtual int GetFromPoint(const wxPoint& pt);
+
+protected:
+ DECLARE_NO_COPY_CLASS(wxDisplayFactoryMacOSX)
+};
+
+// ============================================================================
+// wxDisplayFactoryMacOSX implementation
+// ============================================================================
+
+unsigned wxDisplayFactoryMacOSX::GetCount()
+{
+ CGDisplayCount count;
+#ifdef __WXDEBUG__
+ CGDisplayErr err =
+#endif
+ CGGetActiveDisplayList(0, NULL, &count);
+
+ wxASSERT(err == CGDisplayNoErr);
+
+ return count;
}
-int wxDisplayBase::GetFromPoint(const wxPoint &p)
+int wxDisplayFactoryMacOSX::GetFromPoint(const wxPoint& p)
{
- GDHandle hndl;
- size_t num = 0;
- hndl = DMGetFirstScreenDevice(true);
- while(hndl)
+ CGPoint thePoint = {(float)p.x, (float)p.y};
+ CGDirectDisplayID theID;
+ CGDisplayCount theCount;
+ CGDisplayErr err = CGGetDisplaysWithPoint(thePoint, 1, &theID, &theCount);
+ wxASSERT(err == CGDisplayNoErr);
+
+ int nWhich = wxNOT_FOUND;
+
+ if (theCount)
{
- Rect screenrect = (*hndl)->gdRect;
- if (p.x >= screenrect.left &&
- p.x <= screenrect.right &&
- p.y >= screenrect.top &&
- p.y <= screenrect.bottom)
+ theCount = GetCount();
+ CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
+ err = CGGetActiveDisplayList(theCount, theIDs, &theCount);
+ wxASSERT(err == CGDisplayNoErr);
+
+ for (nWhich = 0; nWhich < (int) theCount; ++nWhich)
{
- return num;
+ if (theIDs[nWhich] == theID)
+ break;
}
- num++;
- hndl = DMGetNextScreenDevice(hndl, true);
- }
- return -1;
-}
-wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ),
- m_priv ( new wxDisplayMacPriv() )
-{
- GDHandle hndl;
- hndl = DMGetFirstScreenDevice(true);
- m_priv->m_hndl = NULL;
- while(hndl)
- {
- if (index == 0)
+ delete [] theIDs;
+
+ if (nWhich == (int) theCount)
{
- m_priv->m_hndl = hndl;
+ wxFAIL_MSG(wxT("Failed to find display in display list"));
+ nWhich = wxNOT_FOUND;
}
- index--;
- hndl = DMGetNextScreenDevice(hndl, true);
}
+
+ return nWhich;
+}
+
+wxDisplayImpl *wxDisplayFactoryMacOSX::CreateDisplay(unsigned n)
+{
+ CGDisplayCount theCount = GetCount();
+ CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
+
+#ifdef __WXDEBUG__
+ CGDisplayErr err =
+#endif
+ CGGetActiveDisplayList(theCount, theIDs, &theCount);
+
+ wxASSERT( err == CGDisplayNoErr );
+ wxASSERT( n < theCount );
+
+ wxDisplayImplMacOSX *display = new wxDisplayImplMacOSX(n, theIDs[n]);
+
+ delete [] theIDs;
+
+ return display;
}
-wxRect wxDisplay::GetGeometry() const
+// ============================================================================
+// wxDisplayImplMacOSX implementation
+// ============================================================================
+
+wxRect wxDisplayImplMacOSX::GetGeometry() const
{
- if (!(m_priv)) return wxRect(0, 0, 0, 0);
- if (!(m_priv->m_hndl)) return wxRect(0, 0, 0, 0);
- Rect screenrect = (*(m_priv->m_hndl))->gdRect;
- return wxRect( screenrect.left, screenrect.top,
- screenrect.right - screenrect.left, screenrect.bottom - screenrect.top);
+ CGRect theRect = CGDisplayBounds(m_id);
+ return wxRect( (int)theRect.origin.x,
+ (int)theRect.origin.y,
+ (int)theRect.size.width,
+ (int)theRect.size.height ); //floats
}
-int wxDisplay::GetDepth() const
+wxRect wxDisplayImplMacOSX::GetClientArea() const
{
- if (!(m_priv)) return 0;
- if (!(m_priv->m_hndl)) return 0;
+ // VZ: I don't know how to get client area for arbitrary display but
+ // wxGetClientDisplayRect() does work correctly for at least the main
+ // one (TODO: do it correctly for the other displays too)
+ if ( IsPrimary() )
+ return wxGetClientDisplayRect();
- // This cryptic looking code is based on Apple's sample code:
- // http://developer.apple.com/samplecode/Sample_Code/Graphics_2D/GDevVideo/Gen.cp.htm
- return ((*(*(m_priv->m_hndl))->gdPMap)->pixelSize) & 0x0000FFFF;
+ return wxDisplayImpl::GetClientArea();
}
-wxString wxDisplay::GetName() const
+static int wxCFDictKeyToInt( CFDictionaryRef desc, CFStringRef key )
{
- // Macs don't name their displays...
- return wxT("");
+ CFNumberRef value = (CFNumberRef) CFDictionaryGetValue( desc, key );
+ if (value == NULL)
+ return 0;
+
+ int num = 0;
+ CFNumberGetValue( value, kCFNumberIntType, &num );
+
+ return num;
}
-wxDisplay::~wxDisplay()
+wxArrayVideoModes wxDisplayImplMacOSX::GetModes(const wxVideoMode& mode) const
{
- if ( m_priv )
+ wxArrayVideoModes resultModes;
+
+ CFArrayRef theArray = CGDisplayAvailableModes( m_id );
+
+ for (CFIndex i = 0; i < CFArrayGetCount(theArray); ++i)
{
- delete m_priv;
- m_priv = 0;
+ CFDictionaryRef theValue = (CFDictionaryRef) CFArrayGetValueAtIndex( theArray, i );
+
+ wxVideoMode theMode(
+ wxCFDictKeyToInt( theValue, kCGDisplayWidth ),
+ wxCFDictKeyToInt( theValue, kCGDisplayHeight ),
+ wxCFDictKeyToInt( theValue, kCGDisplayBitsPerPixel ),
+ wxCFDictKeyToInt( theValue, kCGDisplayRefreshRate ));
+
+ if (theMode.Matches( mode ))
+ resultModes.Add( theMode );
}
+
+ return resultModes;
+}
+
+wxVideoMode wxDisplayImplMacOSX::GetCurrentMode() const
+{
+ CFDictionaryRef theValue = CGDisplayCurrentMode( m_id );
+
+ return wxVideoMode(
+ wxCFDictKeyToInt( theValue, kCGDisplayWidth ),
+ wxCFDictKeyToInt( theValue, kCGDisplayHeight ),
+ wxCFDictKeyToInt( theValue, kCGDisplayBitsPerPixel ),
+ wxCFDictKeyToInt( theValue, kCGDisplayRefreshRate ));
+}
+
+bool wxDisplayImplMacOSX::ChangeMode( const wxVideoMode& mode )
+{
+ // Changing to default mode (wxDefaultVideoMode) doesn't
+ // work because we don't have access to the system's 'scrn'
+ // resource which holds the user's mode which the system
+ // will return to after this app is done
+ boolean_t bExactMatch;
+ CFDictionaryRef theCGMode = CGDisplayBestModeForParametersAndRefreshRate(
+ m_id,
+ (size_t)mode.bpp,
+ (size_t)mode.w,
+ (size_t)mode.h,
+ (double)mode.refresh,
+ &bExactMatch );
+
+ bool bOK = bExactMatch;
+
+ if (bOK)
+ bOK = CGDisplaySwitchToMode( m_id, theCGMode ) == CGDisplayNoErr;
+
+ return bOK;
+}
+
+// ============================================================================
+// wxDisplay::CreateFactory()
+// ============================================================================
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+ return new wxDisplayFactoryMacOSX;
}
#endif // wxUSE_DISPLAY