try to fix rounding errors

[lyx.git] / src / mathed / formulabase.h

diff --git a/src/mathed/formulabase.h b/src/mathed/formulabase.h
index 1423136d351afe077658c1d80f4c0fdc7bae5461..a91eed0b38d80c09e101176f92d2e6920096ca2d 100644 (file)
--- a/src/mathed/formulabase.h
+++ b/src/mathed/formulabase.h
@@ -4,7 +4,7 @@
  *  Purpose:     Common parts of the math LyX insets
  *  Author:      André Pönitz
  *  Created:     May 2001
- *  Description: Allows the edition of math paragraphs inside Lyx. 
+ *  Description: Allows the edition of math paragraphs inside Lyx.
  *
  *  Copyright: 2001, The LyX Project
  *
@@ -12,29 +12,31 @@
  *   the GNU General Public Licence version 2 or later.
  */
 
-#ifndef INSET_FORMULABASE_H 
+#ifndef INSET_FORMULABASE_H
 #define INSET_FORMULABASE_H
 
 #ifdef __GNUG__
 #pragma interface
 #endif
 
-#include <iosfwd>
 #include "insets/inset.h"
+#include "frontends/mouse_state.h"
+#include "lyxfont.h"
+
+// only for getType():
+#include "math_defs.h"
+
+#include <iosfwd>
 
 class Buffer;
 class BufferView;
-class MathInset;
+class MathAtom;
 
-///
+/// An abstract base class for all math related LyX insets
 class InsetFormulaBase : public UpdatableInset {
 public:
-       /// 
-       InsetFormulaBase(InsetFormulaBase const & p);
-       ///
-       explicit InsetFormulaBase(MathInset *);
        ///
-       virtual ~InsetFormulaBase();
+       InsetFormulaBase();
        ///
        virtual int ascent(BufferView *, LyXFont const &) const = 0;
        ///
@@ -43,36 +45,16 @@ public:
        virtual int width(BufferView *, LyXFont const &) const = 0;
        ///
        virtual void draw(BufferView *,LyXFont const &, int, float &, bool) const = 0;
-
-       /// These are just wrappers taking the unused Buffer * dummy parameter
-       /// 
-       virtual void write(Buffer const *, std::ostream &) const;
        ///
-       virtual void read(Buffer const *, LyXLex & lex);
-       ///
-       virtual int latex(Buffer const *, std::ostream &,
-                 bool fragile, bool free_spc) const;
-       ///
-       virtual int ascii(Buffer const *, std::ostream &, int linelen) const;
-       ///
-       virtual int linuxdoc(Buffer const *, std::ostream &) const;
-       ///
-       virtual int docBook(Buffer const *, std::ostream &) const;
-
-protected:
-       /// the actual functions don't use the Buffer * parameter
-       ///
-       virtual void write(std::ostream &) const = 0;
-       ///
-       virtual void read(LyXLex & lex) = 0;
-       ///
-       virtual int latex(std::ostream &, bool fragile, bool free_spc) const = 0;
-       ///
-       virtual int ascii(std::ostream &, int linelen) const = 0;
-       ///
-       virtual int linuxdoc(std::ostream &) const = 0;
-       ///
-       virtual int docBook(std::ostream &) const = 0;
+       virtual MathInsetTypes getType() const = 0;
+       /// lowest x coordinate
+       virtual int xlow() const;
+       /// highest x coordinate
+       virtual int xhigh() const;
+       /// lowest y coordinate
+       virtual int ylow() const;
+       /// highest y coordinate
+       virtual int yhigh() const;
 
 public:
        ///
@@ -81,12 +63,11 @@ public:
        virtual Inset * clone(Buffer const &, bool same_id = false) const = 0;
        ///
        virtual Inset::Code lyxCode() const;
-       ///
-       virtual LyXFont const convertFont(LyXFont const & f) const;
        /// what appears in the minibuffer when opening
        virtual string const editMessage() const;
        ///
-       virtual void edit(BufferView *, int x, int y, unsigned int button);
+       virtual void edit(BufferView *, int x, int y, mouse_button::state button);
+       ///
        virtual void edit(BufferView *, bool front = true);
        ///
        virtual void toggleInsetCursor(BufferView *);
@@ -99,33 +80,67 @@ public:
        ///
        virtual void toggleInsetSelection(BufferView * bv);
        ///
-       virtual void insetButtonPress(BufferView *, int x, int y, int button);
-       ///
-       virtual void insetButtonRelease(BufferView *, int x, int y, int button);
+       virtual void insetButtonPress(BufferView *, int x, int y, mouse_button::state button);
        ///
-       virtual void insetKeyPress(XKeyEvent * ev);
+       virtual bool insetButtonRelease(BufferView *, int x, int y, mouse_button::state button);
        ///
-       virtual void insetMotionNotify(BufferView *, int x, int y, int state);
+       virtual void insetMotionNotify(BufferView *, int x, int y, mouse_button::state state);
        ///
        virtual void insetUnlock(BufferView *);
-   
+
        /// To allow transparent use of math editing functions
        virtual RESULT localDispatch(BufferView *, kb_action, string const &);
-    
+
        ///
        virtual std::vector<string> const getLabelList() const;
        ///
-       MathInset * par() const;
+       virtual MathAtom const & par() const = 0;
        ///
-       virtual void metrics() const;
-protected:
+       virtual MathAtom & par() = 0;
        ///
        virtual void updateLocal(BufferView * bv, bool mark_dirty);
        ///
-       MathInset * par_;
+       BufferView * view() const { return view_; }
+
+       ///
+       virtual bool searchForward(BufferView *, string const &,
+                                  bool = true, bool = false);
+       ///
+       virtual bool searchBackward(BufferView *, string const &,
+                                   bool = true, bool = false);
+       ///
+       virtual bool isTextInset() const { return true; }
+       ///
+       virtual void mutateToText();
+       ///
+       virtual void revealCodes(BufferView *) const;
+       ///
+       virtual Inset::EDITABLE editable() const { return HIGHLY_EDITABLE; }
+
+
 private:
        /// unimplemented
        void operator=(const InsetFormulaBase &);
+       /// common base for handling accents
+       void handleAccent(BufferView * bv, string const & arg, string const & name);
+
+       ///
+       mutable BufferView * view_;
+       ///
+       mutable LyXFont font_;
+
+protected:
+       ///
+       void metrics(BufferView * bv, LyXFont const & font) const;
+       ///
+       void metrics(BufferView * bv = 0) const;
+       ///
+       void handleFont(BufferView * bv, string const & arg, string const & font);
+
+       ///
+       mutable int xo_;
+       ///
+       mutable int yo_;
 };
 
 // We don't really mess want around with mathed stuff outside mathed.
@@ -145,6 +160,10 @@ void mathDispatchInsertMath(BufferView *, string const &);
 //
 void mathDispatchInsertMatrix(BufferView *, string const &);
 //
+void mathDispatchGreek(BufferView *, string const &);
+//
 void mathDispatchMathImportSelection(BufferView *, string const &);
+//
+void mathDispatch(BufferView *, kb_action, string const &);
 
 #endif