diff options
| -rw-r--r-- | prefsize_windows.go | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/prefsize_windows.go b/prefsize_windows.go index 3dac306..c6f1ca2 100644 --- a/prefsize_windows.go +++ b/prefsize_windows.go @@ -2,6 +2,7 @@ package ui import ( + "fmt" // "syscall" "unsafe" ) @@ -74,14 +75,14 @@ func (s *sysData) preferredSize() (width int, height int) { // TODO use GetDC() and not GetWindowDC()? r1, _, err := _getWindowDC.Call(uintptr(s.hwnd)) if r1 == 0 { // failure - panic(err) // TODO return it instead + panic(fmt.Errorf("error getting DC for preferred size calculations: %v", err)) } dc = _HANDLE(r1) r1, _, err = _getTextMetrics.Call( uintptr(dc), uintptr(unsafe.Pointer(&tm))) if r1 == 0 { // failure - panic(err) // TODO return it instead + panic(fmt.Errorf("error getting text metrics for preferred size calculations: %v", err)) } baseX = int(tm.tmAveCharWidth) // TODO not optimal; third reference has better way baseY = int(tm.tmHeight) @@ -89,7 +90,7 @@ func (s *sysData) preferredSize() (width int, height int) { uintptr(s.hwnd), uintptr(dc)) if r1 == 0 { // failure - panic(err) // TODO return it instead + panic(fmt.Errorf("error releasing DC for preferred size calculations: %v", err)) } // now that we have the conversion factors... |