Some more changes for updating text-insets.

[lyx.git] / src / insets / insettext.h

diff --git a/src/insets/insettext.h b/src/insets/insettext.h
index e76ea919f0ca24bbc0b557612853542aa4d5070b..223b34ede153db528872a1d1681847b569954042 100644 (file)
--- a/src/insets/insettext.h
+++ b/src/insets/insettext.h
@@ -29,6 +29,7 @@ class LyXCursor;
 class LyXParagraph;
 class LColor;
 class LyXText;
+class LyXScreen;
 
 /**
  * A text inset is like a TeX box to write full text
@@ -37,7 +38,22 @@ class LyXText;
 class InsetText : public UpdatableInset {
 public:
     ///
-    enum { TEXT_TO_INSET_OFFSET = 2 };
+    enum UpdateCodes {
+       NONE = 0,
+       INIT,
+       FULL,
+       CURSOR_PAR,
+       CURSOR,
+       SELECTION,
+       DRAW_FRAME,
+       CLEAR_FRAME
+    };
+    ///
+    enum DrawFrame {
+       NEVER = 0,
+       LOCKED,
+       ALWAYS
+    };
     ///
     explicit
     InsetText();
@@ -62,12 +78,20 @@ public:
     ///
     int width(Painter &, LyXFont const & f) const;
     ///
-    void draw(Painter & pain, LyXFont const &, int , float &) const;
+    int textWidth(Painter &) const;
+    ///
+    void draw(BufferView *, LyXFont const &, int , float &, bool) const;
+    ///
+    void update(BufferView *, LyXFont const &, bool =false);
     ///
     char const * EditMessage() const;
     ///
     void Edit(BufferView *, int, int, unsigned int);
     ///
+    bool IsTextInset() const { return true; }
+    ///
+    bool doClearArea() const { return !locked; }
+    ///
     void InsetUnlock(BufferView *);
     ///
     bool LockInsetInInset(BufferView *, UpdatableInset *);
@@ -98,7 +122,7 @@ public:
     ///
     Inset::Code LyxCode() const { return Inset::TEXT_CODE; }
     ///
-    void GetCursorPos(int & x, int & y) const;
+    void GetCursorPos(BufferView *, int & x, int & y) const;
     ///
     int InsetInInsetY();
     ///
@@ -112,71 +136,46 @@ public:
     ///
     void SetFont(BufferView *, LyXFont const &, bool toggleall = false);
     ///
+    int getMaxWidth(Painter &, UpdatableInset const *) const;
+    ///
     void init(InsetText const * ins = 0);
     ///
+    void WriteParagraphData(Buffer const *, std::ostream &) const;
+    ///
     void SetParagraphData(LyXParagraph *);
     ///
     void SetAutoBreakRows(bool);
     ///
-    void SetDrawLockedFrame(bool);
+    void SetDrawFrame(BufferView *, DrawFrame);
     ///
-    void SetFrameColor(LColor::color);
+    void SetFrameColor(BufferView *, LColor::color);
     ///
-    void computeTextRows(Painter &) const;
+//    LyXFont GetDrawFont(BufferView *, LyXParagraph *, int pos) const;
     ///
+    LyXText * getLyXText(BufferView *) const;
+    void deleteLyXText(BufferView *);
+
     LyXParagraph * par;
     ///
+    mutable UpdateCodes need_update;
 
 protected:
     ///
-    void UpdateLocal(BufferView *, bool);
-    ///
-    void WriteParagraphData(Buffer const *, std::ostream &) const;
-    ///
-    void resetPos(Painter &) const;
-    ///
-    void drawSelection(Painter &, int pos, int baseline, float x);
-    ///
-    void SingleHeight(Painter &, LyXParagraph * par,int pos,
-                     int & asc, int & desc) const;
-    ///
-    int SingleWidth(Painter &, LyXParagraph * par, int pos) const;
-    ///
-    LyXFont GetFont(Buffer const *, LyXParagraph * par, int pos) const;
-    ///
-    virtual LyXFont GetDrawFont(Buffer const *, LyXParagraph * par, int pos) const;
-    ///
-    virtual int getMaxTextWidth(Painter &, UpdatableInset const *) const;
+    void UpdateLocal(BufferView *, UpdateCodes, bool mark_dirty);
 
-    LyXText * text;
-    ///
-    LyXFont current_font;
-    ///
-    LyXFont real_current_font;
-    ///
-    mutable int maxAscent;
-    ///
-    mutable int maxDescent;
-    ///
-    mutable int insetWidth;
-    ///
     mutable int drawTextXOffset;
     mutable int drawTextYOffset;
     ///
     bool autoBreakRows;
-    bool drawLockedFrame;
+    DrawFrame drawFrame;
     ///
     LColor::color frame_color;
 
 private:
     ///
-    void drawRowSelection(Painter &, int startpos, int endpos, int row,
-                         int baseline, float x) const;
+    typedef std::map<BufferView *, LyXText *> Cache;
     ///
-    void drawRowText(Painter &, int startpos, int endpos, int baseline,
-                     float x) const;
-    ///
-    void computeBaselines(int) const;
+    typedef Cache::value_type value_type;
     ///
     int BeginningOfMainBody(Buffer const *, LyXParagraph * par) const;
     ///
@@ -184,8 +183,6 @@ private:
     ///
     void HideInsetCursor(BufferView *);
     ///
-    void setPos(Painter &, int x, int y) const;
-    ///
     UpdatableInset::RESULT moveRight(BufferView *, bool activate_inset = true);
     ///
     UpdatableInset::RESULT moveLeft(BufferView *, bool activate_inset = true);
@@ -194,27 +191,37 @@ private:
     ///
     UpdatableInset::RESULT moveDown(BufferView *);
     ///
-    bool Delete();
-    ///
-    bool cutSelection(Buffer const *);
-    ///
-    bool copySelection(Buffer const *);
-    ///
-    bool pasteSelection(Buffer const *);
-    ///
-    bool hasSelection() const
-        { return (selection_start_cursor != selection_end_cursor); }
-    ///
     void SetCharFont(Buffer const *, int pos, LyXFont const & font);
     ///
     string getText(int);
     ///
+    bool checkAndActivateInset(BufferView * bv, bool behind);
     bool checkAndActivateInset(BufferView * bv, int x = 0, int y = 0,
                               int button = 0);
+    ///
+    int cx(BufferView *) const;
+    int cy(BufferView *) const;
+    int cpos(BufferView *) const;
+    LyXParagraph * cpar(BufferView *) const;
+    Row * crow(BufferView *) const;
+
+    /// This instead of a macro
+    LyXText * TEXT(BufferView * bv) const {
+       return getLyXText(bv);
+    }
        
     /* Private structures and variables */
     ///
-    bool locked;
+    mutable bool locked;
+    ///
+    int insetAscent;
+    int insetDescent;
+    int insetWidth;
+    mutable int last_width;
+    mutable int last_height;
+    mutable int top_y;
+    ///
+    LyXParagraph * inset_par;
     ///
     int inset_pos;
     ///
@@ -224,37 +231,14 @@ private:
     ///
     int interline_space;
     ///
-    LyXCursor selection_start_cursor;
-    ///
-    LyXCursor selection_end_cursor;
-    ///
-    mutable LyXCursor cursor;
-    ///
-    mutable LyXCursor old_cursor;
-    ///
-    mutable int actrow;
-    ///
     bool no_selection;
     ///
     mutable float xpos;
     ///
-    mutable bool init_inset;
-    ///
     UpdatableInset * the_locking_inset;
     ///
-    struct row_struct {
-       ///
-       int asc;
-       ///
-       int desc;
-       ///
-       int pos;
-       ///
-       int baseline;
-    };
-    ///
-    typedef std::vector<row_struct> RowList;
-    ///
-    mutable RowList rows;
+    LyXParagraph * old_par;
+    /// The cache.
+    mutable Cache cache;
 };
 #endif