X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FMetricsInfo.h;h=7fe72405bfd72fc5bd585e24b47bb96473bff925;hb=1e519d1115f41f71c253cb9e2fbb7803e9a583a9;hp=b350747b4bd1a684a2c3479f1d3b86553f7c5b50;hpb=e449e70e3854da3aeda8dca1de22cabaf6ae0557;p=lyx.git

diff --git a/src/MetricsInfo.h b/src/MetricsInfo.h
index b350747b4b..7fe72405bf 100644
--- a/src/MetricsInfo.h
+++ b/src/MetricsInfo.h
@@ -20,6 +20,8 @@
 #include "support/strfwd.h"
 #include "support/Changer.h"
 
+#include "insets/Inset.h"
+
 
 #include <string>
 
@@ -28,7 +30,7 @@ namespace lyx {
 
 namespace frontend { class Painter; }
 class BufferView;
-class Inset;
+class Length;
 class MacroContext;
 
 
@@ -54,6 +56,8 @@ public:
 
 	/// 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
@@ -66,6 +70,13 @@ public:
 	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_;
@@ -105,13 +116,13 @@ 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. 
+	/// change tracking state and the selection state.
 	/// \param color what the color should be by default
 	Color textColor(Color const & color) const;
 
@@ -119,7 +130,7 @@ public:
 	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_;
@@ -127,7 +138,7 @@ public:
 	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;