X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmetricsinfo.h;h=733bccd3f239ec0caa4820ef38c767a4ae230c66;hb=9e1ce30ff75b0282f428738aa3f3562c21ceb9df;hp=c1acab6a67c0a2be5c908dcb06fee04695a04d9c;hpb=1829cdef6a34ec623c25ec8967dc048e8f19eee9;p=lyx.git

diff --git a/src/metricsinfo.h b/src/metricsinfo.h
index c1acab6a67..733bccd3f2 100644
--- a/src/metricsinfo.h
+++ b/src/metricsinfo.h
@@ -1,11 +1,26 @@
+// -*- 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)
@@ -21,66 +36,105 @@ enum 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:
@@ -93,25 +147,30 @@ 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);
 	///
@@ -120,21 +179,24 @@ struct StyleChanger : public Changer<MetricsBase> {
 
 
 // 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);
 };
@@ -142,7 +204,8 @@ struct ArrayChanger : public StyleChanger {
 
 
 // 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);
 	///
@@ -151,8 +214,9 @@ struct ShapeChanger : public Changer<LyXFont, LyXFont::FONT_SHAPE> {
 
 
 // temporarily change the available text width
-struct WidthChanger : public Changer<MetricsBase>
+class WidthChanger : public Changer<MetricsBase>
 {
+public:
 	///
 	WidthChanger(MetricsBase & mb, int width);
 	///
@@ -160,4 +224,15 @@ struct WidthChanger : public Changer<MetricsBase>
 };
 
 
+// temporarily change the used color
+class ColorChanger : public Changer<LyXFont, std::string> {
+public:
+	///
+	ColorChanger(LyXFont & font, std::string const & color);
+	///
+	~ColorChanger();
+};
+
+} // namespace lyx
+
 #endif