X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dcb68102796280b3e54979ae95738089914ce842..4521f6c88cbefa7f13e3733d344776b795f981e4:/src/cocoa/display.mm

diff --git a/src/cocoa/display.mm b/src/cocoa/display.mm
index 8b13789179..721fe3b425 100644
--- a/src/cocoa/display.mm
+++ b/src/cocoa/display.mm
@@ -1 +1,221 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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