+// -*- 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
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
#ifndef METRICSINFO_H
#define METRICSINFO_H
-
#include "lyxfont.h"
-#include "LString.h"
+#include "support/docstring.h"
+#include <string>
+
+class BufferView;
-class Painter;
+namespace lyx {
+
+namespace frontend { class Painter; }
/// Standard Sizes (mode styles)
};
-//
+//
// This is the part common to MetricsInfo and PainterInfo
//
-struct MetricsBase {
+class MetricsBase {
+public:
///
MetricsBase();
-
///
+ MetricsBase(BufferView * bv, LyXFont const & font, int textwidth);
+
+ /// the current view
+ BufferView * bv;
+ /// current font
LyXFont font;
- ///
+ /// current math style (display/text/script/..)
Styles style;
- ///
- string fontname;
- /// if this is set...
- bool restrictwidth;
- /// ... this is valid
+ /// name of current font - mathed specific
+ std::string fontname;
+ /// This is the width available in pixels
int textwidth;
};
//
-// This contains a Metricsbase and Information that's only relevant during
+// This contains a MetricsBase and information that's only relevant during
// the first phase of the two-phase draw
//
-struct MetricsInfo {
+class MetricsInfo {
+public:
///
MetricsInfo();
+ ///
+ MetricsInfo(BufferView * bv, LyXFont const & font, int textwidth);
///
MetricsBase base;
- ///
- bool fullredraw;
};
//
-// This contains a Metricsbase and Information that's only relevant during
+// This contains a MetricsBase and information that's only relevant during
// the second phase of the two-phase draw
//
-struct PainterInfo {
+class PainterInfo {
+public:
///
- PainterInfo(Painter & pain);
+ PainterInfo(BufferView * bv, frontend::Painter & pain);
///
- void draw(int x, int y, char c);
+ void draw(int x, int y, char_type c);
+ ///
+ void draw(int x, int y, docstring const & str);
///
MetricsBase base;
///
- Painter & pain;
+ frontend::Painter & pain;
+ /// Whether the text at this point is right-to-left (for InsetNewline)
+ bool ltr_pos;
+ /// Whether the parent is deleted (change tracking)
+ bool erased_;
};
+class TextMetricsInfo {};
+
+enum ScreenUpdateStrategy {
+ NoScreenUpdate,
+ SingleParUpdate,
+ FullScreenUpdate,
+ DecorationUpdate
+};
-struct TextMetricsInfo {};
+class ViewMetricsInfo
+{
+public:
+ ViewMetricsInfo()
+ : p1(0), p2(0), y1(0), y2(0),
+ update_strategy(FullScreenUpdate), size(0)
+ {}
+ ViewMetricsInfo(pit_type p1, pit_type p2, int y1, int y2,
+ ScreenUpdateStrategy updatestrategy, pit_type size)
+ : p1(p1), p2(p2), y1(y1), y2(y2),
+ update_strategy(updatestrategy), size(size)
+ {}
+
+ pit_type p1;
+ pit_type p2;
+ int y1;
+ int y2;
+ ScreenUpdateStrategy update_strategy;
+ pit_type size;
+};
// Generic base for temporarily changing things.
// The original state gets restored when the Changer is destructed.
template <class Struct, class Temp = Struct>
-struct Changer {
+class Changer {
+public:
///
Changer(Struct & orig) : orig_(orig) {}
protected:
// temporarily change some aspect of a font
-struct FontChanger : public Changer<LyXFont> {
+class FontChanger : public Changer<LyXFont> {
+public:
///
- FontChanger(LyXFont & orig, char const * font);
+ FontChanger(LyXFont & orig, docstring const & font);
+ FontChanger(MetricsBase & mb, char const * const font);
///
~FontChanger();
};
// temporarily change a full font
-struct FontSetChanger : public Changer<MetricsBase> {
+class FontSetChanger : public Changer<MetricsBase> {
+public:
///
- FontSetChanger(MetricsBase & mb, char const * font);
+ FontSetChanger(MetricsBase & mb, docstring const & font);
+ FontSetChanger(MetricsBase & mb, char const * const font);
///
~FontSetChanger();
};
// temporarily change the style
-struct StyleChanger : public Changer<MetricsBase> {
+class StyleChanger : public Changer<MetricsBase> {
+public:
///
StyleChanger(MetricsBase & mb, Styles style);
///
// temporarily change the style to script style
-struct ScriptChanger : public StyleChanger {
+class ScriptChanger : public StyleChanger {
+public:
///
ScriptChanger(MetricsBase & mb);
};
// temporarily change the style suitable for use in fractions
-struct FracChanger : public StyleChanger {
+class FracChanger : public StyleChanger {
+public:
///
FracChanger(MetricsBase & mb);
};
// temporarily change the style suitable for use in tabulars and arrays
-struct ArrayChanger : public StyleChanger {
+class ArrayChanger : public StyleChanger {
+public:
///
ArrayChanger(MetricsBase & mb);
};
// temporarily change the shape of a font
-struct ShapeChanger : public Changer<LyXFont, LyXFont::FONT_SHAPE> {
+class ShapeChanger : public Changer<LyXFont, LyXFont::FONT_SHAPE> {
+public:
///
ShapeChanger(LyXFont & font, LyXFont::FONT_SHAPE shape);
///
// temporarily change the available text width
-struct WidthChanger : public Changer<MetricsBase>
+class WidthChanger : public Changer<MetricsBase>
{
+public:
///
WidthChanger(MetricsBase & mb, int width);
///
};
+// temporarily change the used color
+class ColorChanger : public Changer<LyXFont, std::string> {
+public:
+ ///
+ ColorChanger(LyXFont & font, std::string const & color);
+ ///
+ ~ColorChanger();
+};
+
+} // namespace lyx
+
#endif
projects / lyx.git / blobdiff