]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/icon.cpp
Fix to excule OnPaint from WXPM
[wxWidgets.git] / src / msw / icon.cpp
index f5daa68de4dbd0b3d669bde3483995bc94a0b8c0..fa2c11ffaf175c81eb77ea5c4f8f64e9e3356dc4 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        icon.cpp
+// Name:        msw/icon.cpp
 // Purpose:     wxIcon class
 // Author:      Julian Smart
-// Modified by:
+// Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
-#pragma implementation "icon.h"
+    #pragma implementation "icon.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/setup.h"
-#include "wx/list.h"
-#include "wx/utils.h"
-#include "wx/app.h"
-#include "wx/icon.h"
+    #include "wx/defs.h"
+    #include "wx/list.h"
+    #include "wx/utils.h"
+    #include "wx/app.h"
+    #include "wx/icon.h"
+    #include "wx/bitmap.h"
+    #include "wx/log.h"
 #endif
 
 #include "wx/msw/private.h"
-#include "assert.h"
 
-#if USE_XPM_IN_MSW
-#define FOR_MSW 1
-#include "..\..\contrib\wxxpm\libxpm.34b\lib\xpm34.h"
+#if wxUSE_RESOURCE_LOADING_IN_MSW
+    #include "wx/msw/curico.h"
+    #include "wx/msw/curicop.h"
 #endif
 
-#if USE_RESOURCE_LOADING_IN_MSW
-#include "wx/msw/curico.h"
-#include "wx/msw/curicop.h"
-#endif
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
-IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxBitmapHandler)
-IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxBitmapHandler)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxIconBase)
 
-/*
- * Icons
- */
+// ============================================================================
+// implementation
+// ============================================================================
 
+// ----------------------------------------------------------------------------
+// wxIconRefData
+// ----------------------------------------------------------------------------
 
-wxIconRefData::wxIconRefData(void)
+void wxIconRefData::Free()
 {
-  m_hIcon = (WXHICON) NULL ;
-}
+    if ( m_hIcon )
+    {
+        ::DestroyIcon((HICON) m_hIcon);
 
-wxIconRefData::~wxIconRefData(void)
-{
-       if ( m_hIcon )
-               ::DestroyIcon((HICON) m_hIcon);
+        m_hIcon = 0;
+    }
 }
 
-wxIcon::wxIcon(void)
-{
-}
+// ----------------------------------------------------------------------------
+// wxIcon
+// ----------------------------------------------------------------------------
 
-wxIcon::wxIcon(const char WXUNUSED(bits)[], const int WXUNUSED(width), const int WXUNUSED(height))
+wxIcon::wxIcon(const char bits[], int width, int height)
 {
+    wxBitmap bmp(bits, width, height);
+    CopyFromBitmap(bmp);
 }
 
-wxIcon::wxIcon(const wxString& icon_file, const long flags,
-    int desiredWidth, int desiredHeight)
+wxIcon::wxIcon(const wxString& iconfile,
+               long flags,
+               int desiredWidth,
+               int desiredHeight)
 
 {
-  LoadFile(icon_file, flags, desiredWidth, desiredHeight);
+    LoadFile(iconfile, flags, desiredWidth, desiredHeight);
 }
 
-wxIcon::~wxIcon(void)
+wxIcon::~wxIcon()
 {
 }
 
-bool wxIcon::FreeResource(bool force)
+void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
 {
-  if (M_ICONDATA && M_ICONDATA->m_hIcon)
-  {
-    DestroyIcon((HICON) M_ICONDATA->m_hIcon);
-       M_ICONDATA->m_hIcon = (WXHICON) NULL;
-  }
-  return TRUE;
-}
-
-bool wxIcon::LoadFile(const wxString& filename, const long type,
-    int desiredWidth, int desiredHeight)
-{
-  UnRef();
+#ifdef __WIN32__
+    wxMask *mask = bmp.GetMask();
+    if ( !mask )
+    {
+        // we must have a mask for an icon, so even if it's probably incorrect,
+        // do create it (grey is the "standard" transparent colour)
+        mask = new wxMask(bmp, *wxLIGHT_GREY);
+    }
 
-  m_refData = new wxIconRefData;
+    ICONINFO iconInfo;
+    iconInfo.fIcon = TRUE;  // we want an icon, not a cursor
+    iconInfo.hbmMask = wxInvertMask((HBITMAP)mask->GetMaskBitmap());
+    iconInfo.hbmColor = GetHbitmapOf(bmp);
+
+    /* GRG: black out the transparent area to preserve background
+     * colour, because Windows blits the original bitmap using
+     * SRCINVERT (XOR) after applying the mask to the dest rect.
+     */
+    HDC dcSrc = ::CreateCompatibleDC(NULL);
+    HDC dcDst = ::CreateCompatibleDC(NULL);
+    SelectObject(dcSrc, (HBITMAP)mask->GetMaskBitmap());
+    SelectObject(dcDst, iconInfo.hbmColor);
+
+    BitBlt(dcDst, 0, 0, bmp.GetWidth(), bmp.GetHeight(), dcSrc, 0, 0, SRCAND);
+
+    SelectObject(dcDst, NULL);
+    SelectObject(dcSrc, NULL);
+    DeleteDC(dcDst);
+    DeleteDC(dcSrc);
+
+    HICON hicon = ::CreateIconIndirect(&iconInfo);
+    if ( !hicon )
+    {
+        wxLogLastError(wxT("CreateIconIndirect"));
+    }
+    else
+    {
+        SetHICON((WXHICON)hicon);
+        SetSize(bmp.GetWidth(), bmp.GetHeight());
+    }
 
-  wxBitmapHandler *handler = FindHandler(type);
+    if ( !bmp.GetMask() )
+    {
+        // we created the mask, now delete it
+        delete mask;
+    }
+#else // Win16
+    // there are some functions in curico.cpp which probably could be used
+    // here...
+    // This probably doesn't work.
+    HBITMAP hBitmap = (HBITMAP) bmp.GetHBITMAP();
+    HICON hIcon = MakeIconFromBitmap((HINSTANCE) wxGetInstance(), hBitmap);
+    if (hIcon)
+    {
+        SetHICON((WXHICON)hIcon);
+        SetSize(bmp.GetWidth(), bmp.GetHeight());
+    }
 
-  if ( handler )
-       return handler->LoadFile(this, filename, type, desiredWidth, desiredHeight);
-  else
-       return FALSE;
+//    wxFAIL_MSG("Bitmap to icon conversion (including use of XPMs for icons) not implemented");
+#endif // Win32/16
 }
 
-void wxIcon::SetHICON(WXHICON ico)
+void wxIcon::CreateIconFromXpm(const char **data)
 {
-  if ( !M_ICONDATA )
-       m_refData = new wxIconRefData;
-
-  M_ICONDATA->m_hIcon = ico;
+    wxBitmap bmp(data);
+    CopyFromBitmap(bmp);
 }
 
-bool wxICOFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
-    int desiredWidth, int desiredHeight)
+bool wxIcon::LoadFile(const wxString& filename,
+                      long type,
+                      int desiredWidth, int desiredHeight)
 {
-#if USE_RESOURCE_LOADING_IN_MSW
-       if ( bitmap->IsKindOf(CLASSINFO(wxIcon)) )
-       {
-               wxIcon *icon = (wxIcon *)bitmap;
-        int width, height;
-        WXHICON hIcon = (WXHICON) ReadIconFile((char *)(const char *)name, wxGetInstance(), &width, &height);
-
-       ((wxIconRefData *)icon->GetRefData())->m_hIcon = hIcon;
-       ((wxIconRefData *)icon->GetRefData())->m_ok = (((wxIconRefData *)icon->GetRefData())->m_hIcon != 0);
-       return ((wxIconRefData *)icon->GetRefData())->m_ok;
-       }
-       else
-               return FALSE;
-#else
-       return FALSE;
-#endif
-}
+    UnRef();
 
-bool wxICOResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, const long flags,
-    int desiredWidth, int desiredHeight)
-{
-       if ( bitmap->IsKindOf(CLASSINFO(wxIcon)) )
-       {
-#if defined(__WIN32__)
-    if (desiredWidth > -1 && desiredHeight > -1)
-    {
-        M_ICONHANDLERDATA->m_hIcon = (WXHICON) ::LoadImage(wxGetInstance(), name, IMAGE_ICON, desiredWidth, desiredHeight, LR_DEFAULTCOLOR);
-    }
-    else
-#endif
+    wxGDIImageHandler *handler = FindHandler(type);
+
+    if ( !handler )
     {
-       M_ICONHANDLERDATA->m_hIcon = (WXHICON) ::LoadIcon(wxGetInstance(), name);
+        // say something?
+        return FALSE;
     }
 
-#ifdef __WIN32__
-/***
-       DWORD vers = GetVersion() ;
-       WORD  high = HIWORD(vers) ; // high bit=0 for NT, 1 for Win32s
-       // Win32s doesn't have GetIconInfo function...
-       if (M_ICONHANDLERDATA->m_hIcon && (high&0x8000)==0 )
-***/
-       if (M_ICONHANDLERDATA->m_hIcon && wxGetOsVersion()==wxWINDOWS_NT)
-       {
-               ICONINFO info ;
-               if (::GetIconInfo((HICON) M_ICONHANDLERDATA->m_hIcon, &info))
-               {
-                       HBITMAP ms_bitmap = info.hbmMask ;
-                       if (ms_bitmap)
-                       {
-                               BITMAP bm;
-                               ::GetObject(ms_bitmap, sizeof(BITMAP), (LPSTR) &bm);
-                               M_ICONHANDLERDATA->m_width = bm.bmWidth;
-                               M_ICONHANDLERDATA->m_height = bm.bmHeight;
-                       }
-                       if (info.hbmMask)
-                               ::DeleteObject(info.hbmMask) ;
-                       if (info.hbmColor)
-                               ::DeleteObject(info.hbmColor) ;
-               }
-       }
-#else
-       M_ICONHANDLERDATA->m_width = 32;
-       M_ICONHANDLERDATA->m_height = 32;
-#endif
-       M_ICONHANDLERDATA->m_ok = (M_ICONHANDLERDATA->m_hIcon != 0);
-       return M_ICONHANDLERDATA->m_ok;
-       }
-       else
-           return FALSE;
+    return handler->Load(this, filename, type, desiredWidth, desiredHeight);
 }