]> git.saurik.com Git - wxWidgets.git/blobdiff - src/osx/core/display.cpp
moving osx files (rename will follow)
[wxWidgets.git] / src / osx / core / display.cpp
diff --git a/src/osx/core/display.cpp b/src/osx/core/display.cpp
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+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/osx/core/display.cpp
+// Purpose:     Mac implementation of wxDisplay class
+// Author:      Ryan Norton & Brian Victor
+// Modified by: Royce Mitchell III, Vadim Zeitlin
+// Created:     06/21/02
+// RCS-ID:      $Id$
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#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/log.h"
+    #include "wx/string.h"
+    #include "wx/gdicmn.h"
+#endif
+
+#include "wx/display_impl.h"
+#include "wx/osx/private.h"
+
+#if wxOSX_USE_COCOA_OR_CARBON
+
+// ----------------------------------------------------------------------------
+// display classes implementation
+// ----------------------------------------------------------------------------
+
+class wxDisplayImplMacOSX : public wxDisplayImpl
+{
+public:
+    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)
+};
+
+class wxDisplayFactoryMacOSX : public wxDisplayFactory
+{
+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 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];
+
+#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;
+}
+
+// ============================================================================
+// wxDisplayImplMacOSX implementation
+// ============================================================================
+
+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
+}
+
+wxRect wxDisplayImplMacOSX::GetClientArea() const
+{
+    // 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();
+
+    return wxDisplayImpl::GetClientArea();
+}
+
+static int wxCFDictKeyToInt( CFDictionaryRef desc, CFStringRef key )
+{
+    CFNumberRef value = (CFNumberRef) CFDictionaryGetValue( desc, key );
+    if (value == NULL)
+        return 0;
+
+    int num = 0;
+    CFNumberGetValue( value, kCFNumberIntType, &num );
+
+    return num;
+}
+
+wxArrayVideoModes wxDisplayImplMacOSX::GetModes(const wxVideoMode& mode) const
+{
+    wxArrayVideoModes resultModes;
+
+    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 ))
+            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.GetDepth(),
+        (size_t)mode.GetWidth(),
+        (size_t)mode.GetHeight(),
+        (double)mode.GetRefresh(),
+        &bExactMatch );
+
+    bool bOK = bExactMatch;
+
+    if (bOK)
+        bOK = CGDisplaySwitchToMode( m_id, theCGMode ) == CGDisplayNoErr;
+
+    return bOK;
+}
+
+// ============================================================================
+// wxDisplay::CreateFactory()
+// ============================================================================
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+    return new wxDisplayFactoryMacOSX;
+}
+
+#else
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+    return new wxDisplayFactorySingle;
+}
+
+#endif
+
+#endif // wxUSE_DISPLAY