added EVT_LIST_COMMAND_CACHE_HINT, implemented it for MSW and test in the sample...

[wxWidgets.git] / src / msw / gdiimage.cpp

diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp
index 6d9158e4aa5395180d3209ba4cf39c40f90502fa..5ca0afc43ff9a692e13b272ce9c4450630b1c57f 100644 (file)
--- a/src/msw/gdiimage.cpp
+++ b/src/msw/gdiimage.cpp
@@ -30,24 +30,31 @@
 
 #ifndef WX_PRECOMP
     #include "wx/string.h"
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
 
 #include "wx/app.h"
 
+#ifndef __WXMICROWIN__
 #include "wx/msw/dib.h"
+#endif
+
 #include "wx/msw/bitmap.h"
 #include "wx/msw/gdiimage.h"
+#include "wx/bitmap.h"
 
 #ifdef __WIN16__
-    #include "wx/msw/curico.h"
+#   include "wx/msw/curico.h"
 #endif // __WIN16__
 
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 
+#ifndef __WXMICROWIN__
+
 // all image handlers are declared/defined in this file because the outside
 // world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids)
 
@@ -178,6 +185,8 @@ private:
 // ----------------------------------------------------------------------------
 
 static wxSize GetHiconSize(HICON hicon);
+#endif
+    // __MICROWIN__
 
 // ============================================================================
 // implementation
@@ -293,18 +302,16 @@ void wxGDIImage::CleanUpHandlers()
 
 void wxGDIImage::InitStandardHandlers()
 {
+#ifndef __WXMICROWIN__
     AddHandler(new wxBMPResourceHandler);
     AddHandler(new wxBMPFileHandler);
-
-    // Not added by default: include xpmhand.h in your app
-    // and call these in your wxApp::OnInit.
-    //  AddHandler(new wxXPMFileHandler);
-    //  AddHandler(new wxXPMDataHandler);
-
     AddHandler(new wxICOResourceHandler);
     AddHandler(new wxICOFileHandler);
+#endif
 }
 
+#ifndef __WXMICROWIN__
+
 // ----------------------------------------------------------------------------
 // wxBitmap handlers
 // ----------------------------------------------------------------------------
@@ -323,7 +330,7 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap,
         BITMAP bm;
         if ( !::GetObject(GetHbitmapOf(*bitmap), sizeof(BITMAP), (LPSTR) &bm) )
         {
-            wxLogLastError("GetObject(HBITMAP)");
+            wxLogLastError(wxT("GetObject(HBITMAP)"));
         }
 
         data->m_width = bm.bmWidth;
@@ -383,7 +390,7 @@ bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
 
 bool wxICOFileHandler::LoadIcon(wxIcon *icon,
                                 const wxString& name,
-                                long flags,
+                                long WXUNUSED(flags),
                                 int desiredWidth, int desiredHeight)
 {
 #if wxUSE_RESOURCE_LOADING_IN_MSW
@@ -393,7 +400,53 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     wxSize size;
 
 #ifdef __WIN32__
-    HICON hicon = ::ExtractIcon(wxGetInstance(), name, 0 /* first */);
+    HICON hicon = NULL;
+
+    // Parse the filename: it may be of the form
+    // filename;n in order to specify the nth icon in the file.
+    // For the moment, ignore the issue of possible semicolons in the filename.
+    int iconIndex = 0;
+    wxString name1(name);
+    wxString strIconIndex = name.AfterLast(wxT(';'));
+    if (strIconIndex != name)
+    {
+        iconIndex = wxAtoi(strIconIndex);
+        name1 = name.BeforeLast(wxT(';'));
+    }
+
+    // were we asked for a large icon?
+    if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) &&
+         desiredHeight == ::GetSystemMetrics(SM_CYICON) )
+    {
+        // get the specified large icon from file
+        if ( !::ExtractIconEx(name1, iconIndex, &hicon, NULL, 1) )
+        {
+            // it is not an error, but it might still be useful to be informed
+            // about it optionally
+            wxLogTrace(_T("iconload"),
+                       _T("No large icons found in the file '%s'."),
+                       name.c_str());
+        }
+    }
+    else if ( desiredWidth == ::GetSystemMetrics(SM_CXSMICON) &&
+              desiredHeight == ::GetSystemMetrics(SM_CYSMICON) )
+    {
+        // get the specified small icon from file
+        if ( !::ExtractIconEx(name1, iconIndex, NULL, &hicon, 1) )
+        {
+            wxLogTrace(_T("iconload"),
+                       _T("No small icons found in the file '%s'."),
+                       name.c_str());
+        }
+    }
+    //else: not standard size, load below
+
+    if ( !hicon )
+    {
+        // take any (the first one) icon from the file by default
+        hicon = ::ExtractIcon(wxGetInstance(), name1, 0 /* first */);
+    }
+
     if ( !hicon )
     {
         wxLogSysError(_T("Failed to load icon from the file '%s'"),
@@ -412,11 +465,10 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     if ( (desiredWidth != -1 && desiredWidth != size.x) ||
          (desiredHeight != -1 && desiredHeight != size.y) )
     {
-        wxLogDebug(_T("Returning FALSE from wxICOFileHandler::Load because "
-                      "of the size mismatch: actual (%d, %d), "
-                      "requested (%d, %d)"),
-                      size.x, size.y,
-                      desiredWidth, desiredHeight);
+        wxLogTrace(_T("iconload"),
+                   _T("Returning FALSE from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"),
+                   size.x, size.y,
+                   desiredWidth, desiredHeight);
 
         ::DestroyIcon(hicon);
 
@@ -434,7 +486,7 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
 
 bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
                                     const wxString& name,
-                                    long flags,
+                                    long WXUNUSED(flags),
                                     int desiredWidth, int desiredHeight)
 {
     HICON hicon;
@@ -481,7 +533,7 @@ static wxSize GetHiconSize(HICON hicon)
         ICONINFO info;
         if ( !::GetIconInfo(hicon, &info) )
         {
-            wxLogLastError("GetIconInfo");
+            wxLogLastError(wxT("GetIconInfo"));
         }
         else
         {
@@ -504,3 +556,5 @@ static wxSize GetHiconSize(HICON hicon)
 
     return size;
 }
+#endif
+    // __WXMICROWIN__