X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FMetricsInfo.h;h=066d87ce3f1f5b074b4a328e6d2d7ff673eefa94;hb=b5722962fb0393299e02df0b146522770e98aef6;hp=c82914d8f20512a85b97fd030ffebb34b1d2afba;hpb=e4808961c94b22cfa90ffb1e038a59e77dbb087e;p=lyx.git diff --git a/src/MetricsInfo.h b/src/MetricsInfo.h index c82914d8f2..066d87ce3f 100644 --- a/src/MetricsInfo.h +++ b/src/MetricsInfo.h @@ -4,7 +4,7 @@ * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * - * \author André Pönitz + * \author André Pönitz * \author Stefan Schimanski * * Full author contact details are available in file CREDITS. @@ -13,56 +13,75 @@ #ifndef METRICSINFO_H #define METRICSINFO_H +#include "Changes.h" #include "ColorCode.h" #include "FontInfo.h" #include "support/strfwd.h" -#include "support/types.h" +#include "support/Changer.h" + +#include "insets/Inset.h" + #include -class BufferView; namespace lyx { namespace frontend { class Painter; } -class Inset; +class BufferView; +class Length; class MacroContext; -/// Standard Sizes (mode styles) -enum Styles { - /// - LM_ST_DISPLAY = 0, - /// - LM_ST_TEXT, - /// - LM_ST_SCRIPT, - /// - LM_ST_SCRIPTSCRIPT -}; - - // // This is the part common to MetricsInfo and PainterInfo // class MetricsBase { public: /// - MetricsBase(); - /// - MetricsBase(BufferView * bv, FontInfo const & font, int textwidth); + MetricsBase(BufferView * bv = 0, FontInfo font = FontInfo(), + int textwidth = 0); /// the current view BufferView * bv; /// current font FontInfo font; - /// current math style (display/text/script/..) - Styles style; /// 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 + // or to style suitable for smallmatrix when \c small is true. + Changer changeArray(bool small = false); + // 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_; } + /** return the on-screen size of this length + * + * This version of the function uses the current inset width as + * width and the EM value of the current font. + */ + int inPixels(Length const & len) const; + +private: + int solid_line_thickness_; + int solid_line_offset_; + int dotted_line_thickness_; }; @@ -75,7 +94,8 @@ public: /// MetricsInfo(); /// - MetricsInfo(BufferView * bv, FontInfo const & font, int textwidth, MacroContext const & mc); + MetricsInfo(BufferView * bv, FontInfo font, int textwidth, + MacroContext const & mc); /// MetricsBase base; @@ -97,133 +117,38 @@ public: /// void draw(int x, int y, docstring const & str); /// Determines the background color for the specified inset based on the - /// selection state, the background color inherited from the parent inset + /// selection state, the background color inherited from the parent inset /// and the inset's own background color. /// \param sel whether to take the selection state into account ColorCode backgroundColor(Inset const * inset, 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 InsetNewline) + /// Whether the text at this point is right-to-left (for insets) bool ltr_pos; - /// Whether the parent is deleted (change tracking) - bool erased_; + /// 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; + /// Useful for drawing display math numbering + int leftx, rightx; }; class TextMetricsInfo {}; - -/// Generic base for temporarily changing things. -/// The original state gets restored when the Changer is destructed. -template -class Changer { -public: - /// - Changer(Struct & orig) : orig_(orig) {} -protected: - /// - Struct & orig_; - /// - Temp save_; -}; - - - -// temporarily change some aspect of a font -class FontChanger : public Changer { -public: - /// - FontChanger(FontInfo & orig, docstring const & font); - FontChanger(MetricsBase & mb, char const * const font); - /// - ~FontChanger(); -}; - - -// temporarily change a full font -class FontSetChanger : public Changer { -public: - /// - FontSetChanger(MetricsBase & mb, docstring const & font); - FontSetChanger(MetricsBase & mb, char const * const font); - /// - ~FontSetChanger(); -}; - - -// temporarily change the style -class StyleChanger : public Changer { -public: - /// - StyleChanger(MetricsBase & mb, Styles style); - /// - ~StyleChanger(); -}; - - -// temporarily change the style to script style -class ScriptChanger : public StyleChanger { -public: - /// - ScriptChanger(MetricsBase & mb); -}; - - -// temporarily change the style suitable for use in fractions -class FracChanger : public StyleChanger { -public: - /// - FracChanger(MetricsBase & mb); -}; - - -// temporarily change the style suitable for use in tabulars and arrays -class ArrayChanger : public StyleChanger { -public: - /// - ArrayChanger(MetricsBase & mb); -}; - - - -// temporarily change the shape of a font -class ShapeChanger : public Changer { -public: - /// - ShapeChanger(FontInfo & font, FontShape shape); - /// - ~ShapeChanger(); -}; - - -// temporarily change the available text width -class WidthChanger : public Changer -{ -public: - /// - WidthChanger(MetricsBase & mb, int width); - /// - ~WidthChanger(); -}; - - -// temporarily change the used color -class ColorChanger : public Changer { -public: - /// - ColorChanger(FontInfo & font, std::string const & color); - /// - ~ColorChanger(); -}; - } // namespace lyx #endif