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load ImageList_Copy() dynamically to allow wx apps to start up under Win95 (state image display in wxTreeCtrl still won't work though)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58572 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-01-31 21:54:11 +00:00
parent d4290fa5b8
commit c27dce1818
1 changed files with 30 additions and 4 deletions
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34
src/msw/treectrl.cpp
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@@ -37,6 +37,7 @@
#include "wx/settings.h"
#endif
#include "wx/dynlib.h"
#include "wx/msw/private.h"
// Set this to 1 to be _absolutely_ sure that repainting will work for all
@@ -2705,7 +2706,30 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
// delete it (in POSTPAINT notify)
if (m_imageListState && m_imageListState->GetImageCount() > 0)
{
#define hImageList (HIMAGELIST)m_imageListState->GetHIMAGELIST()
typedef BOOL (*ImageList_Copy_t)
(HIMAGELIST, int, HIMAGELIST, int, UINT);
static ImageList_Copy_t s_pfnImageList_Copy = NULL;
static bool loaded = false;
if ( !loaded )
{
wxLoadedDLL dllComCtl32(_T("comctl32.dll"));
if ( dllComCtl32.IsLoaded() )
wxDL_INIT_FUNC(s_pfn, ImageList_Copy, dllComCtl32);
}
if ( !s_pfnImageList_Copy )
{
// this code is broken with ImageList_Copy()
// but I don't care enough about Win95 support
// to write it now -- if anybody does, please
// do it
wxFAIL_MSG("TODO: implement this for Win95");
break;
}
const HIMAGELIST
hImageList = GetHimagelistOf(m_imageListState);
// add temporary image
int width, height;
@@ -2719,13 +2743,15 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
// move images to right
for ( int i = index; i > 0; i-- )
::ImageList_Copy(hImageList, i, hImageList, i-1, 0);
{
(*s_pfnImageList_Copy)(hImageList, i,
hImageList, i-1,
ILCF_MOVE);
}
// we must remove the image in POSTPAINT notify
*result |= CDRF_NOTIFYPOSTPAINT;
}
#undef hImageList
}
break;