several mingw32 compilation fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5642 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dynlib.h

@@ -40,7 +40,7 @@
 #   include <dl.h>
     typedef shl_t wxDllType;
 #elif defined(__WINDOWS__)
-//#   include <windows.h>  
+#   include <windows.h>         // needed to get HMODULE
     typedef HMODULE wxDllType;
 #elif defined(__OS2__)
 #   define INCL_DOS
@@ -61,6 +61,7 @@
 // ----------------------------------------------------------------------------
 // wxDllLoader
 // ----------------------------------------------------------------------------
+
 /** wxDllLoader is a class providing an interface similar to unix's
     dlopen(). It is used by the wxLibrary framework and manages the
     actual loading of DLLs and the resolving of symbols in them.
@@ -69,30 +70,31 @@
 */
 class wxDllLoader
 {
- public:
-   /** This function loads a shared library into memory, with libname
-       being the basename of the library, without the filename
-       extension. No initialisation of the library will be done.
-       @param libname Name of the shared object to load.
-       @param success Must point to a bool variable which will be set to TRUE or FALSE.
-       @return A handle to the loaded DLL. Use success parameter to test if it is valid.
-   */
-   static wxDllType LoadLibrary(const wxString & libname, bool *success = NULL);
-   /** This function unloads the shared library. */
-   static void UnloadLibrary(wxDllType dll);
-   /** This function returns a valid handle for the main program
-       itself. */
-   static wxDllType GetProgramHandle(void);
-   /** This function resolves a symbol in a loaded DLL, such as a
-       variable or function name.
-       @param dllHandle Handle of the DLL, as returned by LoadDll().
-       @param name Name of the symbol.
-       @return A pointer to the symbol.
-   */
-   static void * GetSymbol(wxDllType dllHandle, const wxString &name);
- private:
-   /// forbid construction of objects
-   wxDllLoader();
+public:
+    /** This function loads a shared library into memory, with libname
+      being the basename of the library, without the filename
+      extension. No initialisation of the library will be done.
+      @param libname Name of the shared object to load.
+      @param success Must point to a bool variable which will be set to TRUE or FALSE.
+      @return A handle to the loaded DLL. Use success parameter to test if it is valid.
+     */
+    static wxDllType LoadLibrary(const wxString & libname, bool *success = NULL);
+    /** This function unloads the shared library. */
+    static void UnloadLibrary(wxDllType dll);
+    /** This function returns a valid handle for the main program
+      itself. */
+    static wxDllType GetProgramHandle(void);
+    /** This function resolves a symbol in a loaded DLL, such as a
+      variable or function name.
+      @param dllHandle Handle of the DLL, as returned by LoadDll().
+      @param name Name of the symbol.
+      @return A pointer to the symbol.
+     */
+    static void * GetSymbol(wxDllType dllHandle, const wxString &name);
+
+private:
+    /// forbid construction of objects
+    wxDllLoader();
 };
 
 // ----------------------------------------------------------------------------

src/common/resource.cpp

@@ -544,7 +544,6 @@ wxControl *wxResourceTable::CreateItem(wxWindow *parent, const wxItemResource* c
       // Force the layout algorithm since the size changes the layout
       if (control->IsKindOf(CLASSINFO(wxRadioBox)))
       {
-        wxSize sz = control->GetSize();
         control->SetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH|wxSIZE_AUTO_HEIGHT);
       }
 #endif

src/msw/bitmap.cpp

@@ -46,6 +46,11 @@
 #include "wx/msw/dib.h"
 #include "wx/image.h"
 
+// missing from mingw32 header
+#ifndef CLR_INVALID
+    #define CLR_INVALID ((COLORREF)-1)
+#endif // no CLR_INVALID
+
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------

src/msw/dcprint.cpp

@@ -47,9 +47,16 @@
     #include <print.h>
 #endif
 
+// mingw32 defines GDI_ERROR incorrectly
+#ifdef __GNUWIN32__
+    #undef GDI_ERROR
+    #define GDI_ERROR ((int)-1)
+#endif
+
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
+
 IMPLEMENT_CLASS(wxPrinterDC, wxDC)
 
 // ============================================================================

src/msw/dde.cpp

@@ -50,6 +50,24 @@
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 
+// some compilers headers don't define this one (mingw32)
+#ifndef DMLERR_NO_ERROR
+    #define DMLERR_NO_ERROR (0)
+
+    // this one is also missing from some mingw32 headers, but there is no way
+    // to test for it (I know of) - the test for DMLERR_NO_ERROR works for me,
+    // but is surely not the right thing to do
+    extern "C"
+    HDDEDATA STDCALL DdeClientTransaction(LPBYTE pData,
+                                          DWORD cbData,
+                                          HCONV hConv,
+                                          HSZ hszItem,
+                                          UINT wFmt,
+                                          UINT wType,
+                                          DWORD dwTimeout,
+                                          LPDWORD pdwResult);
+#endif // no DMLERR_NO_ERROR
+
 // ----------------------------------------------------------------------------
 // macros and constants
 // ----------------------------------------------------------------------------

src/msw/imaglist.cpp

@@ -232,13 +232,16 @@ bool wxImageList::Remove(int index)
 // Remove all images
 bool wxImageList::RemoveAll()
 {
-    bool ok = ImageList_RemoveAll(GetHImageList()) != 0;
-    if ( !ok )
+    // don't use ImageList_RemoveAll() because mingw32 headers don't have it
+    int count = ImageList_GetImageCount(GetHImageList());
+    for ( int i = 0; i < count; i++ )
     {
-        wxLogLastError("ImageList_RemoveAll()");
+        // the image indexes are shifted, so we should always remove the first
+        // one
+        (void)Remove(0);
     }
 
-    return ok;
+    return TRUE;
 }
 
 // Draws the given image on a dc at the specified position.

src/msw/listctrl.cpp

@@ -19,6 +19,7 @@
 
 #ifdef __GNUG__
     #pragma implementation "listctrl.h"
+    #pragma implementation "listctrlbase.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".

src/msw/spinbutt.cpp

@@ -19,6 +19,7 @@
 
 #ifdef __GNUG__
     #pragma implementation "spinbutt.h"
+    #pragma implementation "spinbutbase.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".