Reorder event handling functions

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

diff --git a/source/container.h b/source/container.h
index 0384521d4c8657a9a6282618b90f7b6de7dafa38..6c75e38e9625f6a17a14d69209358aa69883351a 100644 (file)
--- a/source/container.h
+++ b/source/container.h
@@ -1,20 +1,22 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GLTK_CONTAINER_H_
 #define MSP_GLTK_CONTAINER_H_
 
 #include <list>
+#include <stdexcept>
 #include <sigc++/trackable.h>
 #include "widget.h"
 
 namespace Msp {
 namespace GLtk {
 
+class hierarchy_error: public std::logic_error
+{
+public:
+       hierarchy_error(const std::string &);
+       virtual ~hierarchy_error() throw() { }
+};
+
+
 class Container: virtual public Widget
 {
 protected:
@@ -27,11 +29,18 @@ protected:
                virtual ~Child();
 
                void visibility_changed(bool);
+               void request_focus();
+               void grab_pointer();
+               void ungrab_pointer();
        };
 
        std::list<Child *> children;
        Widget *click_focus;
        unsigned click_button;
+       Widget *pointer_focus;
+       bool pointer_grabbed;
+       Widget *input_focus;
+       Widget *touch_focus;
 
        Container();
 public:
@@ -39,17 +48,42 @@ public:
 
        void add(Widget &);
        void remove(Widget &);
+protected:
+       virtual Child *create_child(Widget *);
+       Geometry determine_child_geometry(const Widget &, const Part &) const;
+       void autosize_child(const Widget &, const Part &, Geometry &) const;
+       void reposition_child(Widget &, const Part &) const;
+public:
        std::list<Widget *> get_children() const;
-       Widget *get_child_at(int, int);
-       Widget *get_descendant_at(int, int);
+       Widget *get_child_at(int, int) const;
+       Widget *get_descendant_at(int, int) const;
+       void raise(Widget &);
+
+protected:
+       void set_pointer_focus(Widget *);
+       void set_input_focus(Widget *);
+public:
+       Widget *get_input_focus() const { return input_focus; }
+       Widget *get_final_input_focus() const;
 
        virtual void button_press(int, int, unsigned);
        virtual void button_release(int, int, unsigned);
        virtual void pointer_motion(int, int);
+private:
+       Widget *get_pointer_target(int, int, bool) const;
+public:
        virtual void pointer_leave();
+       virtual void touch_press(int, int, unsigned);
+       virtual void touch_release(int, int, unsigned);
+       virtual void touch_motion(int, int, unsigned);
+       virtual void key_press(unsigned, unsigned);
+       virtual void key_release(unsigned, unsigned);
+       virtual void character(wchar_t);
+       virtual void focus_out();
 protected:
-       virtual Child *create_child(Widget *);
        virtual void on_reparent();
+       virtual void on_child_added(Widget &) { }
+       virtual void on_child_removed(Widget &) { }
 };
 
 } // namespace GLtk