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-rw-r--r--callbacks_unix.go2
-rw-r--r--window.go7
2 files changed, 7 insertions, 2 deletions
diff --git a/callbacks_unix.go b/callbacks_unix.go
index e627583..b9ed870 100644
--- a/callbacks_unix.go
+++ b/callbacks_unix.go
@@ -27,7 +27,7 @@ import "C"
func our_window_delete_event_callback(widget *C.GtkWidget, event *C.GdkEvent, what C.gpointer) C.gboolean {
// called when the user tries to close the window
s := (*sysData)(unsafe.Pointer(what))
- return togbool(s.close()) // ! because TRUE means don't close
+ return togbool(!s.close()) // ! because TRUE means don't close
}
var window_delete_event_callback = C.GCallback(C.our_window_delete_event_callback)
diff --git a/window.go b/window.go
index d404d44..5e0cf5f 100644
--- a/window.go
+++ b/window.go
@@ -12,7 +12,7 @@ type Window struct {
// Return true to allow the window to be closed; false otherwise.
// You cannot change this field after the Window has been created.
// [TODO close vs. hide]
- // TODO nil
+ // If Closing is nil, a default which rejects the close will be used.
Closing func() bool
created bool
@@ -86,6 +86,11 @@ func (w *Window) create(control Control, show bool) {
}
w.sysData.spaced = w.spaced
w.sysData.close = w.Closing
+ if w.sysData.close == nil {
+ w.sysData.close = func() bool {
+ return false
+ }
+ }
err := w.sysData.make(nil)
if err != nil {
panic(fmt.Errorf("error opening window: %v", err))