4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
8 * \author Stefan Schimanski
10 * Full author contact details are available in file CREDITS.
17 #include "ColorCode.h"
20 #include "support/strfwd.h"
21 #include "support/Changer.h"
29 namespace frontend { class Painter; }
36 // This is the part common to MetricsInfo and PainterInfo
41 MetricsBase(BufferView * bv = 0, FontInfo font = FontInfo(),
48 /// name of current font - mathed specific
50 /// This is the width available in pixels
52 /// count wether the current mathdata is nested in macro(s)
55 /// Temporarily change a full font.
56 Changer changeFontSet(std::string const & font);
57 /// Temporarily change the font to math if needed.
58 Changer changeEnsureMath();
59 // Temporarily change to the style suitable for use in fractions
61 // Temporarily change to the style suitable for use in arrays
62 Changer changeArray();
63 // Temporarily change the style to (script)script style
64 Changer changeScript();
66 int solidLineThickness() const { return solid_line_thickness_; }
68 int solidLineOffset() const { return solid_line_offset_; }
70 int dottedLineThickness() const { return dotted_line_thickness_; }
72 int solid_line_thickness_;
73 int solid_line_offset_;
74 int dotted_line_thickness_;
79 // This contains a MetricsBase and information that's only relevant during
80 // the first phase of the two-phase draw
87 MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
88 MacroContext const & mc);
92 /// The context to resolve macros
93 MacroContext const & macrocontext;
98 // This contains a MetricsBase and information that's only relevant during
99 // the second phase of the two-phase draw
104 PainterInfo(BufferView * bv, frontend::Painter & pain);
106 void draw(int x, int y, char_type c);
108 void draw(int x, int y, docstring const & str);
109 /// Determines the background color for the specified inset based on the
110 /// selection state, the background color inherited from the parent inset
111 /// and the inset's own background color.
112 /// \param sel whether to take the selection state into account
113 ColorCode backgroundColor(Inset const * inset, bool sel = true) const;
115 /// Determines the text color based on the intended color, the
116 /// change tracking state and the selection state.
117 /// \param color what the color should be by default
118 Color textColor(Color const & color) const;
123 frontend::Painter & pain;
124 /// Whether the text at this point is right-to-left (for InsetNewline)
126 /// The change the parent is part of (change tracking)
128 /// Whether the parent is selected as a whole
130 /// Whether the spell checker is enabled for the parent
134 /// Current background color
135 ColorCode background_color;
138 class TextMetricsInfo {};