diff options
Diffstat (limited to 'redo/window_unix.go')
| -rw-r--r-- | redo/window_unix.go | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/redo/window_unix.go b/redo/window_unix.go index 6e93fa7..c92fba6 100644 --- a/redo/window_unix.go +++ b/redo/window_unix.go @@ -7,6 +7,7 @@ import ( ) // #include "gtk_unix.h" +// extern gboolean windowClosing(GtkWidget *, GdkEvent *, gpointer); import "C" type window struct { @@ -14,6 +15,8 @@ type window struct { container *C.GtkContainer bin *C.GtkBin window *C.GtkWindow + + closing *event } func newWindow(title string, width int, height int) *Request { @@ -28,8 +31,14 @@ func newWindow(title string, width int, height int) *Request { container: (*C.GtkContainer)(unsafe.Pointer(widget)), bin: (*C.GtkBin)(unsafe.Pointer(widget)), window: (*C.GtkWindow)(unsafe.Pointer(widget)), + closing: newEvent(), } C.gtk_window_set_title(w.window, ctitle) + g_signal_connect( + C.gpointer(unsafe.Pointer(w.window)), + "delete-event", + C.GCallback(C.windowClosing), + C.gpointer(unsafe.Pointer(w))) // TODO size // TODO content c <- w @@ -108,6 +117,22 @@ func (w *window) Close() *Request { } func (w *window) OnClosing(e func(c Doer) bool) *Request { - // TODO - return nil + c := make(chan interface{}) + return &Request{ + op: func() { + w.closing.setbool(e) + c <- struct{}{} + }, + resp: c, + } +} + +//export windowClosing +func windowClosing(wid *C.GtkWidget, e *C.GdkEvent, data C.gpointer) C.gboolean { + w := (*window)(unsafe.Pointer(data)) + close := w.closing.fire() + if close { + return C.GDK_EVENT_PROPAGATE // will do gtk_widget_destroy(), which is what we want (thanks ebassi in irc.gimp.net/#gtk+) + } + return C.GDK_EVENT_STOP // keeps window alive } |