backends/x/x.go

@@ -14,6 +14,7 @@ import "golang.org/x/image/font/basicfont"
 import "github.com/jezek/xgbutil"
 import "github.com/jezek/xgb/xproto"
 import "github.com/jezek/xgbutil/ewmh"
+import "github.com/jezek/xgbutil/icccm"
 import "github.com/jezek/xgbutil/xevent"
 import "github.com/jezek/xgbutil/xwindow"
 import "github.com/jezek/xgbutil/xgraphics"
@@ -404,6 +405,22 @@ func factory (application *stone.Application) (output stone.Backend, err error)
 		)
 	backend.SetTitle(application.Title())
 	backend.SetIcon(application.Icon())
+	if err != nil { return }
+
+	// set minimum dimensions
+	minWidth := 
+		backend.metrics.cellWidth  + backend.metrics.padding * 2
+	minHeight := 
+		backend.metrics.cellHeight + backend.metrics.padding * 2
+	err = icccm.WmNormalHintsSet (
+		backend.connection,
+		backend.window.Id,
+		&icccm.NormalHints {
+			Flags:     icccm.SizeHintPMinSize,
+			MinWidth:  uint(minWidth),
+			MinHeight: uint(minHeight),
+		})
+	if err != nil { return }
 
 	// create a canvas
 	backend.reallocateCanvas()