update build instructions (Qt 4.2.2 etc.)

[lyx.git] / src / metricsinfo.h

diff --git a/src/metricsinfo.h b/src/metricsinfo.h
index 951d5f6680bf582520ad965fee43af51851958e2..733bccd3f239ec0caa4820ef38c767a4ae230c66 100644 (file)
--- a/src/metricsinfo.h
+++ b/src/metricsinfo.h
@@ -13,11 +13,15 @@
 #define METRICSINFO_H
 
 #include "lyxfont.h"
-#include "support/std_string.h"
+#include "support/docstring.h"
+#include <string>
 
-class Painter;
 class BufferView;
 
+namespace lyx {
+
+namespace frontend { class Painter; }
+
 
 /// Standard Sizes (mode styles)
 enum Styles {
@@ -35,7 +39,8 @@ enum Styles {
 //
 // This is the part common to MetricsInfo and PainterInfo
 //
-struct MetricsBase {
+class MetricsBase {
+public:
        ///
        MetricsBase();
        ///
@@ -48,17 +53,18 @@ struct MetricsBase {
        /// current math style (display/text/script/..)
        Styles style;
        /// name of current font - mathed specific
-       string fontname;
+       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();
        ///
@@ -70,32 +76,65 @@ struct MetricsInfo {
 
 
 //
-// 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(BufferView * bv, frontend::Painter & pain);
        ///
-       explicit PainterInfo(BufferView * bv);
+       void draw(int x, int y, char_type c);
        ///
-       void draw(int x, int y, char c);
+       void draw(int x, int y, docstring const & str);
 
        ///
        MetricsBase base;
        ///
-       Painter & pain;
-       /// width of current item
-       int width;
+       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 {};
 
-struct TextMetricsInfo {};
+enum ScreenUpdateStrategy {
+       NoScreenUpdate,
+       SingleParUpdate,
+       FullScreenUpdate,
+       DecorationUpdate
+};
+
+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:
@@ -108,25 +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);
        ///
@@ -135,21 +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);
 };
@@ -157,7 +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);
        ///
@@ -166,8 +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);
        ///
@@ -175,4 +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