1. wxWindow::Centre() hopefully fixed

2. attempts to construct bitmaps from icons properly
3. wxTreeCtrl background is always white


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3232 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -1003,9 +1003,11 @@ enum wxDirection
 
 // wxCENTRE                   = 0x0400 (defined above)
 
-// centering into frame rather than screen
+// centering into frame rather than screen (obsolete)
-#define wxCENTER_FRAME          0x0004
+#define wxCENTER_FRAME          0x0000
-
+// centre on screen rather than parent
+#define wxCENTRE_ON_SCREEN      0x0004
+#define wxCENTER_ON_SCREEN      wxCENTRE_ON_SCREEN
 
 // ----------------------------------------------------------------------------
 // Possible SetSize flags

include/wx/msw/bitmap.h

@@ -36,7 +36,7 @@ class WXDLLEXPORT wxMask: public wxObject
   DECLARE_DYNAMIC_CLASS(wxMask)
 
 public:
-  wxMask(void);
+  wxMask();
 
   // Construct a mask from a bitmap and a colour indicating
   // the transparent area
@@ -49,7 +49,7 @@ public:
   // Construct a mask from a mono bitmap (copies the bitmap).
   wxMask(const wxBitmap& bitmap);
 
-  ~wxMask(void);
+  ~wxMask();
 
   bool Create(const wxBitmap& bitmap, const wxColour& colour);
   bool Create(const wxBitmap& bitmap, int paletteIndex);
@@ -68,8 +68,8 @@ class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData
     friend class WXDLLEXPORT wxIcon;
     friend class WXDLLEXPORT wxCursor;
 public:
-    wxBitmapRefData(void);
+    wxBitmapRefData();
-    ~wxBitmapRefData(void);
+    ~wxBitmapRefData();
 
 public:
   int           m_width;
@@ -121,11 +121,10 @@ class WXDLLEXPORT wxBitmap: public wxGDIObject
   friend class WXDLLEXPORT wxBitmapHandler;
 
 public:
-  wxBitmap(void); // Platform-specific
+  wxBitmap(); // Platform-specific
 
   // Copy constructors
-  inline wxBitmap(const wxBitmap& bitmap)
+  wxBitmap(const wxBitmap& bitmap);
-  { Ref(bitmap); if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); }
 
   // Initialize with raw data
   wxBitmap(const char bits[], int width, int height, int depth = 1);
@@ -141,7 +140,7 @@ public:
 
   // If depth is omitted, will create a bitmap compatible with the display
   wxBitmap(int width, int height, int depth = -1);
-  ~wxBitmap(void);
+  ~wxBitmap();
 
   virtual bool Create(int width, int height, int depth = -1);
   virtual bool Create(void *data, long type, int width, int height, int depth = 1);
@@ -182,8 +181,8 @@ public:
   static wxBitmapHandler *FindHandler(const wxString& extension, long bitmapType);
   static wxBitmapHandler *FindHandler(long bitmapType);
 
-  static void InitStandardHandlers(void);
+  static void InitStandardHandlers();
-  static void CleanUpHandlers(void);
+  static void CleanUpHandlers();
 protected:
   static wxList sm_handlers;
 

src/common/wincmn.cpp

@@ -303,15 +303,22 @@ void wxWindowBase::Centre(int direction)
     int widthParent, heightParent;
 
     wxWindow *parent = GetParent();
-    if ( (direction & wxCENTER_FRAME) && parent )
+    if ( !parent )
     {
-        parent->GetClientSize(&widthParent, &heightParent);
+        // no other choice
+        direction |= wxCENTRE_ON_SCREEN;
     }
-    else
+
+    if ( direction & wxCENTRE_ON_SCREEN )
     {
         // centre with respect to the whole screen
         wxDisplaySize(&widthParent, &heightParent);
     }
+    else
+    {
+        // centre inside the parents rectangle
+        parent->GetClientSize(&widthParent, &heightParent);
+    }
 
     int width, height;
     GetSize(&width, &height);
@@ -327,8 +334,11 @@ void wxWindowBase::Centre(int direction)
 
     // controls are always centered on their parent because it doesn't make
     // sense to centre them on the screen
-    if ( (direction & wxCENTER_FRAME) || wxDynamicCast(this, wxControl) )
+    if ( !(direction & wxCENTRE_ON_SCREEN) || wxDynamicCast(this, wxControl) )
     {
+        // theo nly chance to get this is to have a wxControl without parent
+        wxCHECK_RET( parent, _T("a control must have a parent") );
+
         // adjust to the parents client area origin
         wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));
 

src/msw/bitmap.cpp

@@ -9,6 +9,14 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
     #pragma implementation "bitmap.h"
 #endif
@@ -22,7 +30,7 @@
 
 #ifndef WX_PRECOMP
     #include <stdio.h>
-#include "wx/setup.h"
+
     #include "wx/list.h"
     #include "wx/utils.h"
     #include "wx/app.h"
@@ -35,16 +43,26 @@
 #include "wx/msw/private.h"
 #include "wx/log.h"
 
-#include "assert.h"
-
 #include "wx/msw/dib.h"
 
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
 #if !USE_SHARED_LIBRARIES
     IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
     IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
 #endif
 
-wxBitmapRefData::wxBitmapRefData(void)
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxBitmapRefData
+// ----------------------------------------------------------------------------
+
+wxBitmapRefData::wxBitmapRefData()
 {
   m_ok = FALSE;
   m_width = 0;
@@ -57,7 +75,7 @@ wxBitmapRefData::wxBitmapRefData(void)
   m_bitmapMask = NULL;
 }
 
-wxBitmapRefData::~wxBitmapRefData(void)
+wxBitmapRefData::~wxBitmapRefData()
 {
   if (m_selectedInto)
   {
@@ -77,15 +95,44 @@ wxBitmapRefData::~wxBitmapRefData(void)
 
 }
 
+// ----------------------------------------------------------------------------
+// wxBitmap
+// ----------------------------------------------------------------------------
+
 wxList wxBitmap::sm_handlers;
 
-wxBitmap::wxBitmap(void)
+wxBitmap::wxBitmap()
 {
   if ( wxTheBitmapList )
     wxTheBitmapList->AddBitmap(this);
 }
 
-wxBitmap::~wxBitmap(void)
+wxBitmap::wxBitmap(const wxBitmap& bitmap)
+{
+    wxIcon *icon = wxDynamicCast(&bitmap, wxIcon);
+    if ( icon )
+    {
+        HDC hdc = ::CreateCompatibleDC(NULL);   // screen DC
+        HBITMAP hbitmap = ::CreateCompatibleBitmap(hdc,
+                                                   icon->GetWidth(),
+                                                   icon->GetHeight());
+        ::SelectObject(hdc, hbitmap);
+        ::DrawIcon(hdc, 0, 0, (HICON)icon->GetHICON());
+
+        ::DeleteDC(hdc);
+
+        SetHBITMAP((WXHBITMAP)hbitmap);
+    }
+    else
+    {
+        Ref(bitmap);
+    }
+
+    if ( wxTheBitmapList )
+        wxTheBitmapList->AddBitmap(this);
+}
+
+wxBitmap::~wxBitmap()
 {
     if (wxTheBitmapList)
         wxTheBitmapList->DeleteObject(this);
@@ -435,7 +482,7 @@ wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const
  * wxMask
  */
 
-wxMask::wxMask(void)
+wxMask::wxMask()
 {
     m_maskBitmap = 0;
 }
@@ -463,7 +510,7 @@ wxMask::wxMask(const wxBitmap& bitmap)
   Create(bitmap);
 }
 
-wxMask::~wxMask(void)
+wxMask::~wxMask()
 {
     if ( m_maskBitmap )
         ::DeleteObject((HBITMAP) m_maskBitmap);
@@ -601,7 +648,7 @@ class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
 {
   DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
 public:
-  inline wxBMPResourceHandler(void)
+  inline wxBMPResourceHandler()
   {
   m_name = "Windows bitmap resource";
   m_extension = "";
@@ -644,7 +691,7 @@ class WXDLLEXPORT wxBMPFileHandler: public wxBitmapHandler
 {
   DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
 public:
-  inline wxBMPFileHandler(void)
+  inline wxBMPFileHandler()
   {
   m_name = "Windows bitmap file";
   m_extension = "bmp";
@@ -697,7 +744,7 @@ bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int WXUN
 #endif
 }
 
-void wxBitmap::CleanUpHandlers(void)
+void wxBitmap::CleanUpHandlers()
 {
   wxNode *node = sm_handlers.First();
   while ( node )
@@ -710,7 +757,7 @@ void wxBitmap::CleanUpHandlers(void)
   }
 }
 
-void wxBitmap::InitStandardHandlers(void)
+void wxBitmap::InitStandardHandlers()
 {
   AddHandler(new wxBMPResourceHandler);
   AddHandler(new wxBMPFileHandler);

src/msw/dc.cpp

@@ -591,6 +591,9 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask )
         HDC cdc = GetHdc();
         HDC memdc = ::CreateCompatibleDC( cdc );
         HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
+
+        wxASSERT_MSG( hbitmap, _T("bitmap is ok but HBITMAP is NULL?") );
+
         ::SelectObject( memdc, hbitmap );
         ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY);
         ::DeleteDC( memdc );

src/msw/treectrl.cpp

@@ -206,6 +206,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
     if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
         return FALSE;
 
+    // the treectrl with any other background looks ugly because the items
+    // background is white anyhow
+    SetBackgroundColour(*wxWHITE);
+
     // VZ: this is some experimental code which may be used to get the
     //     TVS_CHECKBOXES style functionality for comctl32.dll < 4.71.
     //     AFAIK, the standard DLL does about the same thing anyhow.