bool CCommonAppUtils::SetListCtrlBackgroundImage(HWND hListCtrl, UINT nID, int width /* = 128 */, int height /* = 128 */)
{
if ((((DWORD)CRegStdDWORD(_T("Software\\TortoiseGit\\ShowListBackgroundImage"), TRUE)) == FALSE))
return false;
ListView_SetTextBkColor(hListCtrl, CLR_NONE);
COLORREF bkColor = ListView_GetBkColor(hListCtrl);
// create a bitmap from the icon
HICON hIcon = (HICON)LoadImage(AfxGetResourceHandle(), MAKEINTRESOURCE(nID), IMAGE_ICON, width, height, LR_DEFAULTCOLOR);
if (!hIcon)
return false;
RECT rect = {0};
rect.right = width;
rect.bottom = height;
HBITMAP bmp = NULL;
HWND desktop = ::GetDesktopWindow();
if (desktop)
{
HDC screen_dev = ::GetDC(desktop);
if (screen_dev)
{
// Create a compatible DC
HDC dst_hdc = ::CreateCompatibleDC(screen_dev);
if (dst_hdc)
{
// Create a new bitmap of icon size
bmp = ::CreateCompatibleBitmap(screen_dev, rect.right, rect.bottom);
if (bmp)
{
// Select it into the compatible DC
HBITMAP old_dst_bmp = (HBITMAP)::SelectObject(dst_hdc, bmp);
// Fill the background of the compatible DC with the given color
::SetBkColor(dst_hdc, bkColor);
::ExtTextOut(dst_hdc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
// Draw the icon into the compatible DC
::DrawIconEx(dst_hdc, 0, 0, hIcon, rect.right, rect.bottom, 0, NULL, DI_NORMAL);
::SelectObject(dst_hdc, old_dst_bmp);
}
::DeleteDC(dst_hdc);
}
::ReleaseDC(desktop, screen_dev);
}
}
// Restore settings
DestroyIcon(hIcon);
if (bmp == NULL)
return false;
LVBKIMAGE lv;
lv.ulFlags = LVBKIF_TYPE_WATERMARK;
lv.hbm = bmp;
lv.xOffsetPercent = 100;
lv.yOffsetPercent = 100;
ListView_SetBkImage(hListCtrl, &lv);
return true;
}
void NListView::ListView_SetBackgroundImage(HWND hListView,UINT uImage)
{
TCHAR szModuleName[MAX_PATH];
GetModuleFileName(NULL,szModuleName,SIZEOF_ARRAY(szModuleName));
LVBKIMAGE lvbki;
lvbki.ulFlags = LVBKIF_STYLE_NORMAL|LVBKIF_SOURCE_URL;
lvbki.xOffsetPercent = 45;
lvbki.yOffsetPercent = 50;
TCHAR szBitmap[512];
if(uImage == 0)
{
lvbki.pszImage = NULL;
}
else
{
/* 2 means an image resource, 3 would mean an icon. */
StringCchPrintf(szBitmap,SIZEOF_ARRAY(szBitmap),
_T("res://%s/#2/#%d"),szModuleName,uImage);
lvbki.pszImage = szBitmap;
}
ListView_SetBkImage(hListView,&lvbki);
}
