//export our_area_button_press_event_callback
func our_area_button_press_event_callback(widget *C.GtkWidget, event *C.GdkEvent, data C.gpointer) C.gboolean {
// clicking doesn't automatically transfer keyboard focus; we must do so manually (thanks tristan in irc.gimp.net/#gtk+)
C.gtk_widget_grab_focus(widget)
e := (*C.GdkEventButton)(unsafe.Pointer(event))
me := MouseEvent{
// GDK button ID == our button ID with some exceptions taken care of by finishMouseEvent()
Down: uint(e.button),
}
var maxTime C.gint
var maxDistance C.gint
if e._type != C.GDK_BUTTON_PRESS {
// ignore GDK's generated double-clicks and beyond; we handled those ourselves below
return continueEventChain
}
s := (*sysData)(unsafe.Pointer(data))
// e.time is unsigned and in milliseconds
// maxTime is also milliseconds; despite being gint, it is only allowed to be positive
// maxDistance is also only allowed to be positive
settings := C.gtk_widget_get_settings(widget)
C.gtkGetDoubleClickSettings(settings, &maxTime, &maxDistance)
me.Count = s.clickCounter.click(me.Down, int(e.x), int(e.y),
uintptr(e.time), uintptr(maxTime),
int(maxDistance), int(maxDistance))
finishMouseEvent(widget, data, me, me.Down, e.x, e.y, e.state, e.window)
return continueEventChain
}
func (w *Widget) GetSettings() *Settings {
s := new(Settings)
s.SetPtr(glib.Pointer(C.gtk_widget_get_settings(w.g())))
return s
}