diff options
Diffstat (limited to 'prefsize_windows.go')
| -rw-r--r-- | prefsize_windows.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/prefsize_windows.go b/prefsize_windows.go index 5a34032..9a16f8d 100644 --- a/prefsize_windows.go +++ b/prefsize_windows.go @@ -62,6 +62,7 @@ var stdDlgSizes = [nctypes]dlgunits{ } var ( + _selectObject = gdi32.NewProc("SelectObject") _getTextMetrics = gdi32.NewProc("GetTextMetricsW") _getWindowDC = user32.NewProc("GetWindowDC") _releaseDC = user32.NewProc("ReleaseDC") @@ -79,6 +80,12 @@ func (s *sysData) preferredSize() (width int, height int) { panic(fmt.Errorf("error getting DC for preferred size calculations: %v", err)) } dc = _HANDLE(r1) + r1, _, err = _selectObject.Call( + uintptr(dc), + uintptr(unsafe.Pointer(*classTypes[s.ctype].font))) + if r1 == 0 { // failure + panic(fmt.Errorf("error loading control font into device context for preferred size calculation: %v", err)) + } r1, _, err = _getTextMetrics.Call( uintptr(dc), uintptr(unsafe.Pointer(&tm))) |