89 lines
1.7 KiB
C++
89 lines
1.7 KiB
C++
/*
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* \brief Nitpicker user state handling
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* \author Norman Feske
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* \date 2006-08-09
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*
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* This class comprehends the policy of user interaction.
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* It manages the toggling of Nitpicker's different modes
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* and routes input events to corresponding client sessions.
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _USER_STATE_H_
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#define _USER_STATE_H_
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#include "mode.h"
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#include "view_stack.h"
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#include "global_keys.h"
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class User_state : public Mode, public View_stack
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{
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private:
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/*
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* Policy for the routing of global keys
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*/
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Global_keys &_global_keys;
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/*
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* Current pointer position
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*/
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Point _pointer_pos;
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/*
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* Currently pointed-at session
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*/
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Session *_pointed_session = nullptr;
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/*
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* Session that receives the current stream of input events
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*/
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Session *_input_receiver = nullptr;
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void _update_all();
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public:
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/**
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* Constructor
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*/
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User_state(Global_keys &, Area view_stack_size);
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/**
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* Handle input event
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*
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* This function controls the Nitpicker mode and the user state
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* variables.
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*/
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void handle_event(Input::Event ev);
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/**
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* Accessors
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*/
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Point pointer_pos() { return _pointer_pos; }
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Session *pointed_session() { return _pointed_session; }
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/**
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* (Re-)apply origin policy to all views
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*/
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void apply_origin_policy(View &pointer_origin)
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{
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View_stack::apply_origin_policy(pointer_origin);
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}
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/**
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* Mode interface
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*/
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void forget(Session const &) override;
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void focused_session(Session *) override;
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};
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#endif
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