lyx_mirror/src/MetricsInfo.h
Jean-Marc Lasgouttes f01c23bd5a Fixup d207e85c: paint sublabel with the correct background color
The above mentionned patch did paint the background of the sublabel to
avoid "bold-like" effect. However the correct backgound color is the
row's one, not the inset's one.

To fix this, extend MetricsInfo::backgroundColor to work when no inset
is specified. The code is also simplified as in master.

(cherry picked from commit 74540c9896)
(cherry picked from commit a71b96ac42)
2020-06-07 14:25:48 +02:00

144 lines
3.5 KiB
C++

// -*- C++ -*-
/**
* \file MetricsInfo.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
* \author Stefan Schimanski
*
* Full author contact details are available in file CREDITS.
*/
#ifndef METRICSINFO_H
#define METRICSINFO_H
#include "Changes.h"
#include "ColorCode.h"
#include "FontInfo.h"
#include "support/strfwd.h"
#include "support/Changer.h"
#include "insets/Inset.h"
#include <string>
namespace lyx {
namespace frontend { class Painter; }
class BufferView;
class MacroContext;
//
// This is the part common to MetricsInfo and PainterInfo
//
class MetricsBase {
public:
///
MetricsBase(BufferView * bv = 0, FontInfo font = FontInfo(),
int textwidth = 0);
/// the current view
BufferView * bv;
/// current font
FontInfo font;
/// name of current font - mathed specific
std::string fontname;
/// This is the width available in pixels
int textwidth;
/// count wether the current mathdata is nested in macro(s)
int macro_nesting;
/// Temporarily change a full font.
Changer changeFontSet(std::string const & font);
/// Temporarily change the font to math if needed.
Changer changeEnsureMath(Inset::mode_type mode = Inset::MATH_MODE);
// Temporarily change to the style suitable for use in fractions
Changer changeFrac();
// Temporarily change to the style suitable for use in arrays
Changer changeArray();
// Temporarily change the style to (script)script style
Changer changeScript();
///
int solidLineThickness() const { return solid_line_thickness_; }
///
int solidLineOffset() const { return solid_line_offset_; }
///
int dottedLineThickness() const { return dotted_line_thickness_; }
private:
int solid_line_thickness_;
int solid_line_offset_;
int dotted_line_thickness_;
};
//
// This contains a MetricsBase and information that's only relevant during
// the first phase of the two-phase draw
//
class MetricsInfo {
public:
///
MetricsInfo();
///
MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
MacroContext const & mc);
///
MetricsBase base;
/// The context to resolve macros
MacroContext const & macrocontext;
};
//
// This contains a MetricsBase and information that's only relevant during
// the second phase of the two-phase draw
//
class PainterInfo {
public:
///
PainterInfo(BufferView * bv, frontend::Painter & pain);
///
void draw(int x, int y, char_type c);
///
void draw(int x, int y, docstring const & str);
/// Determines the background color based on the
/// selection state, the background color inherited from the parent inset
/// and the inset's own background color (if one is specified).
/// \param sel whether to take the selection state into account
ColorCode backgroundColor(Inset const * inset = nullptr, bool sel = true) const;
/// Determines the text color based on the intended color, the
/// change tracking state and the selection state.
/// \param color what the color should be by default
Color textColor(Color const & color) const;
///
MetricsBase base;
///
frontend::Painter & pain;
/// Whether the text at this point is right-to-left (for insets)
bool ltr_pos;
/// The change the parent is part of (change tracking)
Change change_;
/// Whether the parent is selected as a whole
bool selected;
/// Whether the spell checker is enabled for the parent
bool do_spellcheck;
/// True when it can be assumed that the screen has been cleared
bool full_repaint;
/// Current background color
ColorCode background_color;
};
class TextMetricsInfo {};
} // namespace lyx
#endif