Remember the last input focus of a Container and restore it when focused

[libs/gltk.git] / source / container.cpp

diff --git a/source/container.cpp b/source/container.cpp
index 23227331139edab708849e8a63379d78ef5835d1..03dff1137bfdf6416f6d755c61bae65604f8733b 100644 (file)
--- a/source/container.cpp
+++ b/source/container.cpp
@@ -17,6 +17,7 @@ Container::Container():
        pointer_focus(0),
        pointer_grabbed(false),
        input_focus(0),
+       saved_input_focus(0),
        touch_focus(0)
 { }
 
@@ -312,8 +313,16 @@ bool Container::character(wchar_t ch)
                return false;
 }
 
+void Container::focus_in()
+{
+       if(saved_input_focus && saved_input_focus->get_parent()==this)
+               set_input_focus(saved_input_focus);
+       Widget::focus_in();
+}
+
 void Container::focus_out()
 {
+       saved_input_focus = input_focus;
        set_input_focus(0);
        Widget::focus_out();
 }