+/////////////////////////////////////////////////////////////////////////////
+// Name: src/cocoa/display.mm
+// Purpose: Cocoa implementation of wxDisplay class
+// Author: Ryan Norton
+// Modified by:
+// Created: 2004-10-03
+// Copyright: (c) Ryan Norton
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_DISPLAY
+
+#include "wx/display.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/string.h"
+ #include "wx/gdicmn.h"
+#endif
+
+#include "wx/display_impl.h"
+
+#import <Foundation/Foundation.h>
+
+// ----------------------------------------------------------------------------
+// display classes implementation
+// ----------------------------------------------------------------------------
+
+class wxDisplayImplMacOSX : public wxDisplayImpl
+{
+public:
+ wxDisplayImplMacOSX(unsigned n, CGDirectDisplayID id_)
+ : wxDisplayImpl(n),
+ m_id(id_)
+ {
+ }
+
+ virtual wxRect GetGeometry() 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;
+
+ wxDECLARE_NO_COPY_CLASS(wxDisplayImplMacOSX);
+};
+
+class wxDisplayFactoryMacOSX : public wxDisplayFactory
+{
+public:
+ wxDisplayFactoryMacOSX() { }
+
+ virtual wxDisplayImpl *CreateDisplay(unsigned n);
+ virtual unsigned GetCount();
+ virtual int GetFromPoint(const wxPoint& pt);
+
+protected:
+ wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryMacOSX);
+};
+
+// ============================================================================
+// wxDisplayFactoryMacOSX implementation
+// ============================================================================
+
+unsigned wxDisplayFactoryMacOSX::GetCount()
+{
+ CGDisplayCount count;
+ CGDisplayErr err = CGGetActiveDisplayList(0, NULL, &count);
+ wxCHECK_MSG( err != CGDisplayNoErr, 0, "CGGetActiveDisplayList() failed" );
+
+ return count;
+}
+
+int wxDisplayFactoryMacOSX::GetFromPoint(const wxPoint& p)
+{
+ 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)
+ {
+ theCount = GetCount();
+ CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
+ err = CGGetActiveDisplayList(theCount, theIDs, &theCount);
+ wxASSERT(err == CGDisplayNoErr);
+
+ for (nWhich = 0; nWhich < (int) theCount; ++nWhich)
+ {
+ if (theIDs[nWhich] == theID)
+ break;
+ }
+
+ delete [] theIDs;
+
+ if (nWhich == (int) theCount)
+ {
+ wxFAIL_MSG(wxT("Failed to find display in display list"));
+ nWhich = wxNOT_FOUND;
+ }
+ }
+
+ return nWhich;
+}
+
+wxDisplayImpl *wxDisplayFactoryMacOSX::CreateDisplay(unsigned n)
+{
+ CGDisplayCount theCount = GetCount();
+ CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
+
+ CGDisplayErr err = CGGetActiveDisplayList(theCount, theIDs, &theCount);
+ wxCHECK_MSG( err != CGDisplayNoErr, NULL, "CGGetActiveDisplayList() failed" );
+
+ wxASSERT( n < theCount );
+
+ wxDisplayImplMacOSX *display = new wxDisplayImplMacOSX(n, theIDs[n]);
+
+ delete [] theIDs;
+
+ return display;
+}
+
+
+wxRect wxDisplayImplMacOSX::GetGeometry() const
+{
+ CGRect theRect = CGDisplayBounds(m_id);
+ return wxRect( (int)theRect.origin.x,
+ (int)theRect.origin.y,
+ (int)theRect.size.width,
+ (int)theRect.size.height ); //floats
+}
+
+static int wxCFDictKeyToInt( CFDictionaryRef desc, CFStringRef key )
+{
+ CFNumberRef value;
+ int num = 0;
+
+ if ( (value = (CFNumberRef) CFDictionaryGetValue(desc, key)) == NULL )
+ return 0;
+ CFNumberGetValue(value, kCFNumberIntType, &num);
+ return num;
+}
+
+wxArrayVideoModes wxDisplayImplMacOSX::GetModes(const wxVideoMode& mode) const
+{
+ wxArrayVideoModes Modes;
+
+ CFArrayRef theArray = CGDisplayAvailableModes(m_id);
+
+ for(CFIndex i = 0; i < CFArrayGetCount(theArray); ++i)
+ {
+ CFDictionaryRef theValue = (CFDictionaryRef) CFArrayGetValueAtIndex(theArray, i);
+
+ wxVideoMode theMode(wxCFDictKeyToInt(theValue, kCGDisplayWidth),
+ wxCFDictKeyToInt(theValue, kCGDisplayHeight),
+ wxCFDictKeyToInt(theValue, kCGDisplayBitsPerPixel),
+ wxCFDictKeyToInt(theValue, kCGDisplayRefreshRate));
+
+ if (theMode.Matches(mode))
+ Modes.Add(theMode);
+ }
+
+ return Modes;
+}
+
+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 (wxDefualtVideoMode) 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
projects / wxWidgets.git / blobdiff