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78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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/*
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* \brief Nitpicker view interface
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* \author Norman Feske
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* \date 2006-08-10
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*/
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/*
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* Copyright (C) 2006-2011 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 _INCLUDE__NITPICKER_VIEW__NITPICKER_VIEW_H_
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#define _INCLUDE__NITPICKER_VIEW__NITPICKER_VIEW_H_
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#include <nitpicker_session/nitpicker_session.h>
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#include <nitpicker_view/capability.h>
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#include <base/rpc.h>
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#include <base/rpc_args.h>
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namespace Nitpicker {
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struct View
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{
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virtual ~View() { }
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/**
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* Define position and viewport
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*
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* Both attributes are handled in one function to enable atomic
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* updates of position and viewport. This is the common case for
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* moving an overlay window.
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*/
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virtual int viewport(int x, int y, int w, int h,
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int buf_x, int buf_y, bool redraw = true) = 0;
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/**
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* Reposition view in view stack
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*
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* \param neighbor neighbor view
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* \param behind insert view in front (true) or
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* behind (false) the specified neighbor
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* \param redraw redraw affected screen region
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*
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* To insert a view at the top of the view stack, specify
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* neighbor = invalid and behind = true. To insert a view at the
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* bottom of the view stack, specify neighbor = invalid and
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* behind = false.
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*/
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virtual int stack(View_capability neighbor = View_capability(),
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bool behind = true, bool redraw = true) = 0;
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/**
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* String type used as argument for the 'title' function
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*/
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typedef Genode::Rpc_in_buffer<64> Title;
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/**
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* Assign new view title
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*/
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virtual int title(Title const &title) = 0;
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/*********************
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** RPC declaration **
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*********************/
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GENODE_RPC(Rpc_viewport, int, viewport, int, int, int, int, int, int, bool);
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GENODE_RPC(Rpc_stack, int, stack, View_capability, bool, bool);
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GENODE_RPC(Rpc_title, int, title, Title const &);
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GENODE_RPC_INTERFACE(Rpc_viewport, Rpc_stack, Rpc_title);
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};
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}
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#endif /* _INCLUDE__NITPICKER_VIEW__NITPICKER_VIEW_H_ */
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