detect an attempt to close a window

1 files changed, 15 insertions, 0 deletions

diff --git a/window.go b/window.go
index 21d6cd8..c5be97f 100644
--- a/window.go
+++ b/window.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"strings"
 
+	log "go.wit.com/log"
 	"go.wit.com/toolkits/tree"
 	"go.wit.com/widget"
 )
@@ -237,3 +238,17 @@ func (tk *guiWidget) makeTK(ddItems []string) {
 	*/
 	tk.Show()
 }
+
+func (win *guiWidget) checkWindowClose(w int, h int) bool {
+	s := fmt.Sprintf("mouse(%d,%d) ", w, h)
+	offW := win.full.w1 - w
+	offH := h - win.full.h0
+	s += fmt.Sprintf("offset(%d,%d)", offW, offH)
+	if (offW < 2) && (offH < 2) {
+		log.Info("attempting close on ", s, win.cuiName)
+		// store the stdout corner for computing the drag size
+		return true
+	}
+	log.Info("not attempting close on ", s, win.cuiName)
+	return false
+}