fix more unused parameters and variables warnings

[wxWidgets.git] / src / mac / carbon / icon.cpp

diff --git a/src/mac/carbon/icon.cpp b/src/mac/carbon/icon.cpp
index ef4526a6705916e0a4a04c720f8287c3701a074f..3457355e0c0e27fe3d8c9da6b8e5b6f29d3bb9f5 100644 (file)
--- a/src/mac/carbon/icon.cpp
+++ b/src/mac/carbon/icon.cpp
@@ -1,138 +1,290 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        icon.cpp
+// Name:        src/mac/carbon/icon.cpp

 // Purpose:     wxIcon class
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Purpose:     wxIcon class
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
 // RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor

-// Licence:       wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "icon.h"
-#endif
+#include "wx/wxprec.h"

 
 #include "wx/icon.h"
 
 
 #include "wx/icon.h"
 

-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
+#ifndef WX_PRECOMP
+    #include "wx/image.h"

 #endif
 
 #include "wx/mac/private.h"
 
 #endif
 
 #include "wx/mac/private.h"
 

+IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
+
+#define M_ICONDATA ((wxIconRefData *)m_refData)

 
 

-/*
- * Icons
- */

 
 wxIcon::wxIcon()
 {
 }
 
 
 wxIcon::wxIcon()
 {
 }
 

-wxIcon::wxIcon(const char bits[], int width, int height) :
-    wxBitmap(bits, width, height)
+wxIcon::wxIcon( const char bits[], int width, int height )

 {
 {

-    
+    wxBitmap bmp( bits, width, height ) ;
+    CopyFromBitmap( bmp ) ;

 }
 
 }
 

-wxIcon::wxIcon( const char **bits ) :
-    wxBitmap(bits)
+wxIcon::wxIcon( const char **bits )

 {
 {

+    wxBitmap bmp( bits ) ;
+    CopyFromBitmap( bmp ) ;

 }
 
 }
 

-wxIcon::wxIcon( char **bits ) :
-    wxBitmap(bits)
+wxIcon::wxIcon( char **bits )

 {
 {

+    wxBitmap bmp( bits ) ;
+    CopyFromBitmap( bmp ) ;

 }
 
 }
 

-wxIcon::wxIcon(const wxString& icon_file, int flags,
-    int desiredWidth, int desiredHeight)
+wxIcon::wxIcon(
+    const wxString& icon_file, int flags,
+    int desiredWidth, int desiredHeight )

 {
 {

-    LoadFile(icon_file, (wxBitmapType) flags, desiredWidth, desiredHeight);
+    LoadFile( icon_file, (wxBitmapType) flags, desiredWidth, desiredHeight );
+}
+
+wxIcon::wxIcon(WXHICON icon, const wxSize& size)
+      : wxGDIObject()
+{
+    // as the icon owns that ref, we have to acquire it as well
+    if (icon)
+        AcquireIconRef( (IconRef) icon ) ;
+
+    m_refData = new wxIconRefData( icon ) ;
+    if ( (size.x != -1) && (size.y != -1) )
+    {
+        M_ICONDATA->SetWidth( size.x ) ;
+        M_ICONDATA->SetHeight( size.y ) ;
+    }

 }
 
 wxIcon::~wxIcon()
 {
 }
 
 }
 
 wxIcon::~wxIcon()
 {
 }
 

-bool wxIcon::LoadFile(const wxString& filename, wxBitmapType type,
-    int desiredWidth, int desiredHeight)
+WXHICON wxIcon::GetHICON() const

 {
 {

-    UnRef();
-    
-    m_refData = new wxBitmapRefData;
-    
-    wxBitmapHandler *handler = FindHandler((wxBitmapType)type);
-    
-    if ( handler )
-        return handler->LoadFile(this, filename, type, desiredWidth, desiredHeight);
-    else
-        return FALSE;
+    wxASSERT( Ok() ) ;
+
+    return (WXHICON) ((wxIconRefData*)m_refData)->GetHICON() ;

 }
 
 }
 

-void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
+int wxIcon::GetWidth() const

 {
 {

-    wxIcon *icon = (wxIcon*)(&bmp);
-    *this = *icon;
+   wxCHECK_MSG( Ok(), -1, wxT("invalid icon") );
+
+   return M_ICONDATA->GetWidth();

 }
 
 }
 

-IMPLEMENT_DYNAMIC_CLASS(wxICONResourceHandler, wxBitmapHandler)
+int wxIcon::GetHeight() const
+{
+   wxCHECK_MSG( Ok(), -1, wxT("invalid icon") );

 
 

-bool  wxICONResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
-                                      int desiredWidth, int desiredHeight)
+   return M_ICONDATA->GetHeight();
+}
+
+int wxIcon::GetDepth() const

 {
 {

-    short theId = -1 ;
-    if ( name == "wxICON_INFORMATION" )
-    {
-        theId = kNoteIcon ;
-    }
-    else if ( name == "wxICON_QUESTION" )
-    {
-        theId = kCautionIcon ;
-    }
-    else if ( name == "wxICON_WARNING" )
-    {
-        theId = kCautionIcon ;
-    }
-    else if ( name == "wxICON_ERROR" )
+    return 32;
+}
+
+void wxIcon::SetDepth( int WXUNUSED(depth) )
+{
+}
+
+void wxIcon::SetWidth( int WXUNUSED(width) )
+{
+}
+
+void wxIcon::SetHeight( int WXUNUSED(height) )
+{
+}
+
+bool wxIcon::IsOk() const
+{
+    return m_refData != NULL ;
+}
+
+bool wxIcon::LoadFile(
+    const wxString& filename, wxBitmapType type,
+    int desiredWidth, int desiredHeight )
+{
+    UnRef();
+
+    if ( type == wxBITMAP_TYPE_ICON_RESOURCE )

     {
     {

-        theId = kStopIcon ;
+        OSType theId = 0 ;
+
+        if ( filename == wxT("wxICON_INFORMATION") )
+        {
+            theId = kAlertNoteIcon ;
+        }
+        else if ( filename == wxT("wxICON_QUESTION") )
+        {
+            theId = kAlertCautionIcon ;
+        }
+        else if ( filename == wxT("wxICON_WARNING") )
+        {
+            theId = kAlertCautionIcon ;
+        }
+        else if ( filename == wxT("wxICON_ERROR") )
+        {
+            theId = kAlertStopIcon ;
+        }
+        else if ( filename == wxT("wxICON_FOLDER") )
+        {
+            theId = kGenericFolderIcon ;
+        }
+        else if ( filename == wxT("wxICON_FOLDER_OPEN") )
+        {
+            theId = kOpenFolderIcon ;
+        }
+        else if ( filename == wxT("wxICON_NORMAL_FILE") )
+        {
+            theId = kGenericDocumentIcon ;
+        }
+        else
+        {
+               IconRef iconRef = NULL ;
+               
+               // first look in the resource fork
+               if ( iconRef == NULL )
+               {
+                       Str255 theName ;
+
+                       wxMacStringToPascal( filename , theName ) ;
+                       Handle resHandle = GetNamedResource( 'icns' , theName ) ;
+                       if ( resHandle != 0L )
+                       {
+                                       IconFamilyHandle iconFamily = (IconFamilyHandle) resHandle ;
+                    HLock((Handle) iconFamily);
+                    OSStatus err = GetIconRefFromIconFamilyPtr( *iconFamily, GetHandleSize((Handle) iconFamily), &iconRef );
+                    HUnlock((Handle) iconFamily);
+                    wxASSERT_MSG( err == noErr , wxT("Error when constructing icon ref") );
+                    ReleaseResource( resHandle ) ;
+                       }
+                       }
+            if ( iconRef == NULL )
+            {
+                // TODO add other attempts to load it from files etc here
+            }
+                       if ( iconRef )
+                       {
+                       m_refData = new wxIconRefData( (WXHICON) iconRef ) ;
+                       return true ;
+                       }       
+        }
+
+        if ( theId != 0 )
+        {
+            IconRef iconRef = NULL ;
+            verify_noerr( GetIconRef( kOnSystemDisk, kSystemIconsCreator, theId, &iconRef ) ) ;
+            if ( iconRef )
+            {
+                m_refData = new wxIconRefData( (WXHICON) iconRef ) ;
+
+                return true ;
+            }
+        }
+
+        return false ;

     }
     else
     {
     }
     else
     {

-        Str255 theName ;
-        OSType theType ;
-        
-#if TARGET_CARBON
-        c2pstrcpy( (StringPtr) theName , name ) ;
-#else
-        strcpy( (char *) theName , name ) ;
-        c2pstr( (char *) theName ) ;
-#endif
-        
-        Handle resHandle = GetNamedResource( 'cicn' , theName ) ;
-        if ( resHandle != 0L )
+        wxBitmapHandler *handler = wxBitmap::FindHandler( type );
+
+        if ( handler )

         {
         {

-            GetResInfo( resHandle , &theId , &theType , theName ) ;
-            ReleaseResource( resHandle ) ;
+            wxBitmap bmp ;
+            if ( handler->LoadFile( &bmp , filename, type, desiredWidth, desiredHeight ))
+            {
+                CopyFromBitmap( bmp ) ;
+
+                return true ;
+            }
+
+            return false ;

         }
         }

-    }
-    if ( theId != -1 )
-    {
-        CIconHandle theIcon = (CIconHandle ) GetCIcon( theId ) ;
-        if ( theIcon )
+        else

         {
         {

-            M_BITMAPHANDLERDATA->m_hIcon = theIcon ;
-            M_BITMAPHANDLERDATA->m_width =  32 ;
-            M_BITMAPHANDLERDATA->m_height = 32 ;
-            
-            M_BITMAPHANDLERDATA->m_depth = 8 ;
-            M_BITMAPHANDLERDATA->m_ok = true ;
-            M_BITMAPHANDLERDATA->m_numColors = 256 ;
-            M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeIcon ;
-            return TRUE ;
+#if wxUSE_IMAGE
+            wxImage loadimage( filename, type );
+            if (loadimage.Ok())
+            {
+                if ( desiredWidth == -1 )
+                    desiredWidth = loadimage.GetWidth() ;
+                if ( desiredHeight == -1 )
+                    desiredHeight = loadimage.GetHeight() ;
+                if ( desiredWidth != loadimage.GetWidth() || desiredHeight != loadimage.GetHeight() )
+                    loadimage.Rescale( desiredWidth , desiredHeight ) ;
+
+                wxBitmap bmp( loadimage );
+                CopyFromBitmap( bmp ) ;
+
+                return true;
+            }
+#endif

         }
     }
         }
     }

-    return FALSE ;
+    return true ;

 }
 }

+
+void wxIcon::CopyFromBitmap( const wxBitmap& bmp )
+{
+    UnRef() ;
+
+    // as the bitmap owns that ref, we have to acquire it as well
+    IconRef iconRef = bmp.GetBitmapData()->GetIconRef() ;
+    AcquireIconRef( iconRef ) ;
+
+    m_refData = new wxIconRefData( (WXHICON) iconRef ) ;
+    M_ICONDATA->SetWidth( bmp.GetWidth() ) ;
+    M_ICONDATA->SetHeight( bmp.GetHeight() ) ;
+}
+
+wxIconRefData::wxIconRefData( WXHICON icon )
+{
+    m_iconRef = MAC_WXHICON( icon ) ;
+
+    // Standard sizes
+    SetWidth( 32 ) ;
+    SetHeight( 32 ) ;
+}
+
+void wxIconRefData::Init()
+{
+    m_iconRef = NULL ;
+}
+
+void wxIconRefData::Free()
+{
+    if ( m_iconRef )
+    {
+        ReleaseIconRef( m_iconRef ) ;
+        m_iconRef = NULL ;
+    }
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxICONResourceHandler, wxBitmapHandler)
+
+bool  wxICONResourceHandler::LoadFile(
+    wxBitmap *bitmap, const wxString& name, long WXUNUSED(flags),
+    int desiredWidth, int desiredHeight )
+{
+    wxIcon icon ;
+    icon.LoadFile( name , wxBITMAP_TYPE_ICON_RESOURCE , desiredWidth , desiredHeight ) ;
+    bitmap->CopyFromIcon( icon ) ;
+
+    return bitmap->Ok() ;
+}
+