use wx-style header and commets; fix indentation to be 4 spaces; move Doxygen comment...

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

diff --git a/src/mac/carbon/bmpbuttn.cpp b/src/mac/carbon/bmpbuttn.cpp
index c1431386093f796c0bc2c4762f35cf13b889bd0c..aae979a8620fbad6519987b5c51791098e932f82 100644 (file)
--- a/src/mac/carbon/bmpbuttn.cpp
+++ b/src/mac/carbon/bmpbuttn.cpp
@@ -1,121 +1,190 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     wxBitmapButton
 // Purpose:     wxBitmapButton

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence

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

-#ifdef __GNUG__
-#pragma implementation "bmpbuttn.h"
-#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_BMPBUTTON

 
 #include "wx/bmpbuttn.h"
 
 
 #include "wx/bmpbuttn.h"
 

-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
+#ifndef WX_PRECOMP
+    #include "wx/dcmemory.h"

 #endif
 
 #endif
 

-#include <wx/mac/uma.h>
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
+
+#include "wx/mac/uma.h"

 
 

-PicHandle MakePict(GWorldPtr wp, GWorldPtr mask ) ;
+//---------------------------------------------------------------------------
+// Helper functions

 
 

-bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
-           const wxPoint& pos,
-           const wxSize& size, long style,
-           const wxValidator& validator,
-           const wxString& name)
+static wxBitmap wxMakeStdSizeBitmap(const wxBitmap& bitmap)

 {
 {

-    m_buttonBitmap = bitmap;
- 
-    m_marginX = 0;
-    m_marginY = 0;
-
-    int x = pos.x;
-    int y = pos.y;
-    int width = size.x;
-    int height = size.y;
-
-    if (id == -1)
-        m_windowId = NewControlId();
+    // in Mac OS X the icon controls (which are used for borderless bitmap
+    // buttons) can have only one of the few standard sizes and if they
+    // don't, the OS rescales them automatically resulting in really ugly
+    // images, so centre the image in a square of standard size instead
+
+    // the supported sizes, sorted in decreasng order
+    static const int stdSizes[] = { 128, 48, 32, 16, 0 };
+
+    const int width = bitmap.GetWidth();
+    const int height = bitmap.GetHeight();
+
+    wxBitmap newBmp(bitmap);
+    
+    int n;
+    for ( n = 0; n < (int)WXSIZEOF(stdSizes); n++ )
+    {
+        const int sizeStd = stdSizes[n];
+        if ( width > sizeStd || height > sizeStd )
+        {
+            // it will become -1 if the bitmap is larger than the biggest
+            // supported size, this is intentional
+            n--;
+
+            break;
+        }
+    }
+
+    if ( n != -1 )
+    {
+        const int sizeStd = stdSizes[n];
+        if ( width != sizeStd || height != sizeStd )
+        {
+            wxASSERT_MSG( width <= sizeStd && height <= sizeStd,
+                          _T("bitmap shouldn't be cropped") );
+
+            newBmp.Create(sizeStd, sizeStd);
+            wxMemoryDC dcMem;
+            dcMem.SelectObject(newBmp);
+            dcMem.Clear();
+
+            dcMem.DrawBitmap(bitmap,
+                             (sizeStd - width)/2, (sizeStd-height)/2,
+                             true);
+        }
+    }
+    //else: let the system rescale the bitmap
+
+    return newBmp;
+}
+
+//---------------------------------------------------------------------------
+
+bool wxBitmapButton::Create( wxWindow *parent,
+                             wxWindowID id, const wxBitmap& bitmap,
+                             const wxPoint& pos,
+                             const wxSize& size,
+                             long style,
+                             const wxValidator& validator,
+                             const wxString& name )
+{
+    m_macIsUserPane = false;
+
+    // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create
+    // essentially creates an additional button
+    if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
+        return false;
+
+    if ( style & wxBU_AUTODRAW )
+    {
+        m_marginX =
+        m_marginY = wxDEFAULT_BUTTON_MARGIN;
+    }

     else
     else

-        m_windowId = id;
-
-    if ( width == -1 && bitmap.Ok())
-       width = bitmap.GetWidth() + 2*m_marginX;
-
-    if ( height == -1 && bitmap.Ok())
-       height = bitmap.GetHeight() + 2*m_marginY;
-
-       Rect bounds ;
-       Str255 title ;
-       MacPreControlCreate( parent , id ,  "" , pos , wxSize( width , height ) ,style, validator , name , &bounds , title ) ;
-
-       m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 
-               kControlBehaviorOffsetContents + kControlContentPictHandle , 0, 
-               (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevelProc : kControlBevelButtonNormalBevelProc ), (long) this ) ;
-       wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
-       
-    m_buttonBitmap = bitmap;
-                       PicHandle       icon = NULL ;
-       if ( m_buttonBitmap.Ok() )
-       {
-               wxBitmapRefData * bmap = (wxBitmapRefData*) ( m_buttonBitmap.GetRefData()) ;
-               if ( bmap->m_bitmapType == kMacBitmapTypePict )
-                       icon = bmap->m_hPict ;
-               else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
-               {
-                       if ( m_buttonBitmap.GetMask() )
-                       {
-                               icon = MakePict( bmap->m_hBitmap , m_buttonBitmap.GetMask()->GetMaskBitmap() ) ;
-                       }
-                       else
-                       {
-                               icon = MakePict( bmap->m_hBitmap , NULL ) ;
-                       }
-               }
-       }
-       ControlButtonContentInfo info ;
-       
-       info.contentType = kControlContentPictHandle ;
-       info.u.picture = icon ;
-       
-       UMASetControlData( m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
-
-       MacPostControlCreate() ;
-
-    return TRUE;
+    {
+        m_marginX =
+        m_marginY = 0;
+    }
+
+    OSStatus err = noErr;
+    ControlButtonContentInfo info;
+
+    Rect bounds = wxMacGetBoundsForControl( this, pos, size );
+    m_peer = new wxMacControl( this );
+
+    if ( bitmap.Ok() && HasFlag(wxBORDER_NONE) )
+        m_bmpNormal = wxMakeStdSizeBitmap(bitmap);
+    else
+        m_bmpNormal = bitmap;
+
+
+    if ( HasFlag( wxBORDER_NONE ) )
+    {
+               // contrary to the docs this control only works with iconrefs
+        wxMacCreateBitmapButton( &info, m_bmpNormal, kControlContentIconRef );
+        err = CreateIconControl(
+                MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
+                &bounds, &info, false, m_peer->GetControlRefAddr() );
+    }
+    else
+    {
+        wxMacCreateBitmapButton( &info, m_bmpNormal );
+        err = CreateBevelButtonControl(
+                MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds, CFSTR(""),
+                ((style & wxBU_AUTODRAW) ? kControlBevelButtonSmallBevel : kControlBevelButtonNormalBevel ),
+                kControlBehaviorOffsetContents, &info, 0, 0, 0, m_peer->GetControlRefAddr() );
+    }
+
+    verify_noerr( err );
+
+    wxMacReleaseBitmapButton( &info );
+    wxASSERT_MSG( m_peer != NULL && m_peer->Ok(), wxT("No valid native Mac control") );
+
+    MacPostControlCreate( pos, size );
+
+    return true;
+}
+
+void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
+{
+    if ( HasFlag( wxBORDER_NONE ) )
+        m_bmpNormal = wxMakeStdSizeBitmap(bitmap);
+    else
+        m_bmpNormal = bitmap;
+    
+    InvalidateBestSize();
+
+    ControlButtonContentInfo info;
+
+    if ( HasFlag( wxBORDER_NONE ) )
+    {        
+        wxMacCreateBitmapButton( &info, m_bmpNormal, kControlContentIconRef );
+        if ( info.contentType != kControlNoContent )
+            m_peer->SetData( kControlIconPart, kControlIconContentTag, info );
+    }
+    else
+    {
+        wxMacCreateBitmapButton( &info, m_bmpNormal );
+        if ( info.contentType != kControlNoContent )
+            m_peer->SetData( kControlButtonPart, kControlBevelButtonContentTag, info );
+    }
+
+    wxMacReleaseBitmapButton( &info );

 }
 
 }
 

-void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
+wxSize wxBitmapButton::DoGetBestSize() const

 {
 {

-    m_buttonBitmap = bitmap;
-                       PicHandle       icon = NULL ;
-       if ( m_buttonBitmap.Ok() )
-       {
-               wxBitmapRefData * bmap = (wxBitmapRefData*) ( m_buttonBitmap.GetRefData()) ;
-               if ( bmap->m_bitmapType == kMacBitmapTypePict )
-                       icon = bmap->m_hPict ;
-               else if ( bmap->m_bitmapType == kMacBitmapTypeGrafWorld )
-               {
-                       if ( m_buttonBitmap.GetMask() )
-                       {
-                               icon = MakePict( bmap->m_hBitmap , m_buttonBitmap.GetMask()->GetMaskBitmap() ) ;
-                       }
-                       else
-                       {
-                               icon = MakePict( bmap->m_hBitmap , NULL ) ;
-                       }
-               }
-       }
-       ControlButtonContentInfo info ;
-       
-       info.contentType = kControlContentPictHandle ;
-       info.u.picture = icon ;
-       
-       UMASetControlData( m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
+    wxSize best;
+
+    best.x = 2 * m_marginX;
+    best.y = 2 * m_marginY;
+    if ( m_bmpNormal.Ok() )
+    {
+        best.x += m_bmpNormal.GetWidth();
+        best.y += m_bmpNormal.GetHeight();
+    }
+
+    return best;

 }
 
 }
 

+#endif