#include "support/strfwd.h"
#include "support/Changer.h"
+#include "insets/Inset.h"
+
#include <string>
namespace frontend { class Painter; }
class BufferView;
-class Inset;
+class Length;
class MacroContext;
-/// Standard Sizes (mode styles)
-/// note: These values are hard-coded in changeStyle
-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;
+ /// font of the containing inset
+ FontInfo outer_font;
/// 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(docstring const & font, bool cond = true);
- Changer changeFontSet(char const * font, bool cond = true);
- /// Temporarily change the font size and the math style.
- Changer changeStyle(Styles style, bool cond = true);
+ Changer changeFontSet(std::string const & name);
+ /// Temporarily change font size in text mode, only record it in math mode.
+ Changer changeFontSize(std::string const & fontsize, bool mathmode);
+ /// 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(bool cond = true);
+ 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(bool cond = true);
+ 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_;
};
///
MetricsInfo();
///
- MetricsInfo(BufferView * bv, FontInfo const & font, int textwidth, MacroContext const & mc);
+ MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
+ MacroContext const & mc, bool vm, bool tight_insets);
///
MetricsBase base;
/// The context to resolve macros
MacroContext const & macrocontext;
+ /// Are we at the start of a paragraph (vertical mode)?
+ bool vmode;
+ /// if true, do not expand insets to max width artificially
+ bool tight_insets;
+ /// Extra width required by an inset, in addition to its dimension
+ int extrawidth;
};
void draw(int x, int y, char_type c);
///
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
- /// and the inset's own background color.
+ /// Determines the background color based on the
+ /// selection state, the background color inherited from the parent inset
+ /// and the inset's own background color (if one is specified).
/// \param sel whether to take the selection state into account
- ColorCode backgroundColor(Inset const * inset, bool sel = true) const;
+ ColorCode backgroundColor(Inset const * inset = nullptr, bool sel = true) const;
/// Determines the text color based on the intended color, the
- /// change tracking state and the selection state.
+ /// 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;
/// The change the parent is part of (change tracking)
- Change change_;
+ Change change;
/// Whether the parent is selected as a whole
bool selected;
+ /// Whether the left/right margins are selected
+ bool selected_left, selected_right;
/// 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;
+ /// The left and right position of current line (inside margins).
+ /// Useful for drawing display math numbering
+ int leftx, rightx;
};
class TextMetricsInfo {};