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e35fda62a7
About removing the changeEnsureMath in MathMacro::{metrics,draw} : as it is only
called in edition mode, it only happened for user macros for which no ensureMath
is needed anyway. ChangeEnsureMath should indeed be applied for global macros,
but since they are linearized there is no obvious place to call it.
144 lines
3.5 KiB
C++
144 lines
3.5 KiB
C++
// -*- C++ -*-
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/**
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* \file MetricsInfo.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 André Pönitz
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* \author Stefan Schimanski
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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 METRICSINFO_H
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#define METRICSINFO_H
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#include "Changes.h"
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#include "ColorCode.h"
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#include "FontInfo.h"
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#include "support/strfwd.h"
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#include "support/Changer.h"
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#include "insets/Inset.h"
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#include <string>
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namespace lyx {
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namespace frontend { class Painter; }
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class BufferView;
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class MacroContext;
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//
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// This is the part common to MetricsInfo and PainterInfo
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//
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class MetricsBase {
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public:
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///
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MetricsBase(BufferView * bv = 0, FontInfo font = FontInfo(),
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int textwidth = 0);
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/// the current view
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BufferView * bv;
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/// current font
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FontInfo font;
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/// name of current font - mathed specific
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std::string fontname;
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/// This is the width available in pixels
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int textwidth;
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/// count wether the current mathdata is nested in macro(s)
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int macro_nesting;
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/// Temporarily change a full font.
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Changer changeFontSet(std::string const & font);
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/// Temporarily change the font to math if needed.
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Changer changeEnsureMath(Inset::mode_type mode = Inset::MATH_MODE);
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// Temporarily change to the style suitable for use in fractions
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Changer changeFrac();
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// Temporarily change to the style suitable for use in arrays
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Changer changeArray();
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// Temporarily change the style to (script)script style
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Changer changeScript();
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///
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int solidLineThickness() const { return solid_line_thickness_; }
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///
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int solidLineOffset() const { return solid_line_offset_; }
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///
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int dottedLineThickness() const { return dotted_line_thickness_; }
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private:
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int solid_line_thickness_;
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int solid_line_offset_;
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int dotted_line_thickness_;
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};
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//
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// This contains a MetricsBase and information that's only relevant during
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// the first phase of the two-phase draw
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//
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class MetricsInfo {
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public:
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///
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MetricsInfo();
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///
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MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
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MacroContext const & mc);
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///
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MetricsBase base;
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/// The context to resolve macros
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MacroContext const & macrocontext;
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};
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//
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// This contains a MetricsBase and information that's only relevant during
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// the second phase of the two-phase draw
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//
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class PainterInfo {
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public:
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///
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PainterInfo(BufferView * bv, frontend::Painter & pain);
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///
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void draw(int x, int y, char_type c);
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///
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void draw(int x, int y, docstring const & str);
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/// Determines the background color for the specified inset based on the
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/// selection state, the background color inherited from the parent inset
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/// and the inset's own background color.
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/// \param sel whether to take the selection state into account
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ColorCode backgroundColor(Inset const * inset, bool sel = true) const;
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/// Determines the text color based on the intended color, the
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/// change tracking state and the selection state.
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/// \param color what the color should be by default
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Color textColor(Color const & color) const;
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///
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MetricsBase base;
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///
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frontend::Painter & pain;
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/// Whether the text at this point is right-to-left (for InsetNewline)
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bool ltr_pos;
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/// The change the parent is part of (change tracking)
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Change change_;
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/// Whether the parent is selected as a whole
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bool selected;
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/// Whether the spell checker is enabled for the parent
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bool do_spellcheck;
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///
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bool full_repaint;
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/// Current background color
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ColorCode background_color;
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};
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class TextMetricsInfo {};
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} // namespace lyx
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#endif
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