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2a5ab60ce8
Some mathed internal renamings to prepare further IU git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7173 a592a061-630c-0410-9148-cb99ea01b6c8
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
// -*- C++ -*-
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/**
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* \file insetbase.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author none
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef INSETBASE_H
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#define INSETBASE_H
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#include "LString.h"
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#include <vector>
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class BufferView;
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class FuncRequest;
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class MetricsInfo;
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class Dimension;
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class PainterInfo;
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class LaTeXFeatures;
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/** Dispatch result codes
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DISPATCHED = the inset catched the action
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DISPATCHED_NOUPDATE = the inset catched the action and no update
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is needed here to redraw the inset
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FINISHED = the inset must be unlocked as a result
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of the action
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FINISHED_RIGHT = FINISHED, but put the cursor to the RIGHT of
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the inset.
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FINISHED_UP = FINISHED, but put the cursor UP of
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the inset.
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FINISHED_DOWN = FINISHED, but put the cursor DOWN of
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the inset.
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UNDISPATCHED = the action was not catched, it should be
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dispatched by lower level insets
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*/
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enum dispatch_result {
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UNDISPATCHED = 0,
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DISPATCHED,
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DISPATCHED_NOUPDATE,
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FINISHED,
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FINISHED_RIGHT,
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FINISHED_UP,
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FINISHED_DOWN,
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DISPATCHED_POP
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};
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/// Common base class to all insets
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class InsetBase {
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public:
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///
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typedef int difference_type;
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/// short of anything else reasonable
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typedef size_t size_type;
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/// type for cell indices
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typedef size_t idx_type;
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/// type for cursor positions
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typedef size_t pos_type;
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/// type for row numbers
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typedef size_t row_type;
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/// type for column numbers
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typedef size_t col_type;
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/// virtual base class destructor
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virtual ~InsetBase() {}
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/// replicate ourselves
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virtual InsetBase * clone() const = 0;
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// the real dispatcher
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virtual dispatch_result dispatch
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(FuncRequest const & cmd, idx_type & idx, pos_type & pos);
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/// small wrapper for the time being
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virtual dispatch_result localDispatch(FuncRequest const & cmd);
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/// compute the size of the object returned in dim
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virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
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/// draw inset and update (xo, yo)-cache
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virtual void draw(PainterInfo & pi, int x, int y) const = 0;
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/// Methods to cache and retrieve a cached BufferView.
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virtual void cache(BufferView *) const {}
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///
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virtual BufferView * view() const { return 0; }
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/// request "external features"
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virtual void validate(LaTeXFeatures &) const {}
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/// fill in all labels in the inset
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virtual void getLabelList(std::vector<string> &) const {}
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};
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#endif
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