refine widget screen space allocation

1 files changed, 3 insertions, 6 deletions

diff --git a/gui/widget/text.go b/gui/widget/text.go
index 6205bab..1b40096 100644
--- a/gui/widget/text.go
+++ b/gui/widget/text.go
@@ -38,12 +38,9 @@ func init() {
 	face = &concurrentFace{sync.Mutex{}, fce}
 }
 
-func TextWidth(nchars int) int {
-	return nchars*FONT_SIZE + 2*PAD // very rough estimation
-}
-
-func TextHeight() int {
-	return FONT_SIZE + 2*PAD
+func TextSize(text string) image.Point {
+	bounds := textBounds([]byte(text), font.Drawer{Face: face})
+	return image.Point{bounds.Max.X - bounds.Min.X + 2*PAD, bounds.Max.Y - bounds.Min.Y + 2*PAD}
 }
 
 func drawText(text []byte, dst draw.Image, r image.Rectangle, fg, bg color.Color) {