* \author Lars Gullik Bjønnes
* \author John Levon
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*/
#ifndef LYXTEXT_H
/**
- This class holds the mapping between buffer paragraphs and screen rows.
+ This class used to hold the mapping between buffer paragraphs and
+ screen rows. Nowadays, the Paragraphs take care of their rows
+ themselves and this contains just most of the code for manipulating
+ them and interaction with the Cursor.
*/
// The inheritance from TextCursor should go. It's just there to ease
class LyXText : public TextCursor {
public:
/// Constructor
- LyXText(BufferView *);
- /// sets inset as owner
- LyXText(BufferView *, InsetText *);
+ LyXText(BufferView *, InsetText *, bool ininset,
+ ParagraphList & paragraphs);
void init(BufferView *);
///
/// our buffer's default layout font
LyXFont defaultfont_;
private:
- /** the 'anchor' row: the position of this row remains constant
- * with respect to the top of the screen
- */
- RowList::iterator anchor_row_;
- /** the pixel offset with respect to this row of top_y
- */
- int anchor_row_offset_;
+ /// offset of dran area to document start.
+ int anchor_y_;
public:
/// update all cached row positions
void updateRowPositions();
- /// get the y coord. of the top of the screen (relative to doc start)
- int top_y() const;
- /// set the y coord. of the top of the screen (relative to doc start)
- void top_y(int newy);
- /// set the anchoring row. top_y will be computed relative to this
- void anchor_row(RowList::iterator rit);
///
InsetText * inset_owner;
///
lyx::pos_type pos,
LyXFont const & font, bool toggleall);
- ///
- void breakAgainOneRow(RowList::iterator rit);
/// what you expect when pressing <enter> at cursor position
void breakParagraph(ParagraphList & paragraphs, char keep_layout = 0);
*/
void setFont(LyXFont const &, bool toggleall = false);
- /** deletes and inserts again all paragaphs between the cursor
- and the specified par. The Cursor is needed to set the refreshing
- parameters.
- This function is needed after SetLayout and SetFont etc.
- */
- void redoParagraphs(LyXCursor const & cursor,
- ParagraphList::iterator endpit);
- ///
+ /// rebreaks all paragaphs between the given pars.
+ int redoParagraphs(ParagraphList::iterator begin,
+ ParagraphList::iterator end);
+ /// rebreaks the given par
+ void redoParagraph(ParagraphList::iterator pit);
+
+ /// rebreaks the cursor par
void redoParagraph();
+private:
+ /// rebreaks the given par, return max row width
+ int redoParagraphInternal(ParagraphList::iterator pit);
+public:
///
void toggleFree(LyXFont const &, bool toggleall = false);
///
string getStringToIndex();
- /** recalculates the heights of all previous rows of the
- specified paragraph. needed, if the last characters font
- has changed.
- */
- void redoHeightOfParagraph();
-
/** insert a character, moves all the following breaks in the
same Paragraph one to the right and make a little rebreak
*/
///
void insertInset(InsetOld * inset);
- /// Completes the insertion with a rebreak
- void partialRebreak();
/// a full rebreak of the whole text
void fullRebreak();
/// compute text metrics
void metrics(MetricsInfo & mi, Dimension & dim);
- /// clear any pending paints
- void clearPaint();
-
- /// submit repaint request
- void postPaint();
-
///
InsetOld::RESULT dispatch(FuncRequest const & cmd);
friend class LyXScreen;
- /**
- * Return the status. This represents what repaints are
- * pending after some operation (e.g. inserting a char).
- */
- bool needRefresh() const;
-
-private:
- // do we need a refresh?
- bool need_refresh_;
-
public:
/// only the top-level LyXText has this non-zero
BufferView * bv_owner;
(relative to the whole text). y is set to the real beginning
of this row
*/
- RowList::iterator getRowNearY(int & y) const;
+ RowList::iterator getRowNearY(int y,
+ ParagraphList::iterator & pit) const;
/** returns the column near the specified x-coordinate of the row
x is set to the real beginning of this column
*/
- lyx::pos_type getColumnNearX(RowList::iterator rit,
- int & x, bool & boundary) const;
-
- /** returns a pointer to a specified row. y is set to the beginning
- of the row
- */
- RowList::iterator
- getRow(ParagraphList::iterator pit, lyx::pos_type pos, int & y) const;
-
- RowList & rows() const {
- return rowlist_;
- }
-
+ lyx::pos_type getColumnNearX(ParagraphList::iterator pit,
+ RowList::iterator rit, int & x, bool & boundary) const;
/// need the selection cursor:
void setSelection();
WordLangTuple const selectNextWordToSpellcheck(float & value);
///
void selectSelectedWord();
+ /// re-computes the cached coordinates in the cursor
+ void redoCursor();
/// returns true if par was empty and was removed
bool setCursor(ParagraphList::iterator pit,
lyx::pos_type pos,
void setCurrentFont();
///
- bool isBoundary(Buffer const *, Paragraph const & par,
+ bool isBoundary(Buffer const &, Paragraph const & par,
lyx::pos_type pos) const;
///
- bool isBoundary(Buffer const *, Paragraph const & par,
+ bool isBoundary(Buffer const &, Paragraph const & par,
lyx::pos_type pos,
LyXFont const & font) const;
bool same_content);
///
void gotoInset(InsetOld::Code code, bool same_content);
- ///
- /* for the greater insets */
-
- /// returns false if inset wasn't found
- bool updateInset(InsetOld *);
- ///
- void checkParagraph(ParagraphList::iterator pit, lyx::pos_type pos);
///
int workWidth() const;
- /// returns width of row containing inset
- int workWidth(InsetOld const * inset) const;
///
- void computeBidiTables(Buffer const *, RowList::iterator row) const;
+ void computeBidiTables(ParagraphList::iterator pit,
+ Buffer const &, RowList::iterator row) const;
/// Maps positions in the visual string to positions in logical string.
lyx::pos_type log2vis(lyx::pos_type pos) const;
/// Maps positions in the logical string to positions in visual string.
bool bidi_InRange(lyx::pos_type pos) const;
private:
///
- mutable RowList rowlist_;
-
- ///
- float getCursorX(RowList::iterator rit, lyx::pos_type pos,
+ float getCursorX(ParagraphList::iterator pit,
+ RowList::iterator rit, lyx::pos_type pos,
lyx::pos_type last, bool boundary) const;
/// used in setlayout
void makeFontEntriesLayoutSpecific(BufferParams const &, Paragraph & par);
- /** forces the redrawing of a paragraph. Needed when manipulating a
- right address box
- */
- void redoDrawingOfParagraph(LyXCursor const & cursor);
-
- /// removes the row and reset the touched counters
- void removeRow(RowList::iterator rit);
-
- /// remove all following rows of the paragraph of the specified row.
- void removeParagraph(RowList::iterator rit);
-
- /// insert the specified paragraph behind the specified row
- void insertParagraph(ParagraphList::iterator pit,
- RowList::iterator rowit);
-
- /** appends the implizit specified paragraph behind the specified row,
- * start at the implizit given position */
- void appendParagraph(RowList::iterator rowit);
-
- ///
- void breakAgain(RowList::iterator rit);
/// Calculate and set the height of the row
- void setHeightOfRow(RowList::iterator rit);
+ void setHeightOfRow(ParagraphList::iterator, RowList::iterator rit);
// fix the cursor `cur' after a characters has been deleted at `where'
// position. Called by deleteEmptyParagraphMechanism
- void fixCursorAfterDelete(LyXCursor & cur,
- LyXCursor const & where);
+ void fixCursorAfterDelete(LyXCursor & cur, LyXCursor const & where);
/// delete double space (false) or empty paragraphs (true) around old_cursor
bool deleteEmptyParagraphMechanism(LyXCursor const & old_cursor);
/** Updates all counters starting BEHIND the row. Changed paragraphs
* with a dynamic left margin will be rebroken. */
void updateCounters();
- ///
- void update();
/**
* Returns an inset if inset was hit, or 0 if not.
* If hit, the coordinates are changed relative to the inset.
int singleWidth(ParagraphList::iterator pit, lyx::pos_type pos) const;
///
int singleWidth(ParagraphList::iterator pit,
- lyx::pos_type pos, char c) const;
- /// rebuild row cache
- void rebuildRows(ParagraphList::iterator pit);
+ lyx::pos_type pos, char c, LyXFont const & Font) const;
/// return the color of the canvas
LColor::color backgroundColor() const;
* in LaTeX the beginning of the text fits in some cases
* (for example sections) exactly the label-width.
*/
- int leftMargin(Row const & row) const;
+ int leftMargin(ParagraphList::iterator pit, Row const & row) const;
///
- int rightMargin(Buffer const &, Row const & row) const;
+ int rightMargin(ParagraphList::iterator pit, Buffer const &, Row const & row) const;
/** this calculates the specified parameters. needed when setting
* the cursor and when creating a visible row */
- void prepareToPrint(RowList::iterator row, double & x,
- double & fill_separator,
- double & fill_hfill,
- double & fill_label_hfill,
- bool bidi = true) const;
+ void prepareToPrint(ParagraphList::iterator pit,
+ RowList::iterator row) const;
private:
///
- void setCounter(Buffer const *, ParagraphList::iterator pit);
+ void setCounter(Buffer const &, ParagraphList::iterator pit);
///
void deleteWordForward();
///
*/
- /// return the pos value *before* which a row should break.
- /// for example, the pos at which IsNewLine(pos) == true
- lyx::pos_type rowBreakPoint(Row const & row) const;
+ /// sets row.end to the pos value *after* which a row should break.
+ /// for example, the pos after which isNewLine(pos) == true
+ lyx::pos_type rowBreakPoint(ParagraphList::iterator pit,
+ Row const & row) const;
/// returns the minimum space a row needs on the screen in pixel
- int fill(RowList::iterator row, int workwidth) const;
+ int fill(ParagraphList::iterator pit,
+ RowList::iterator row, int workwidth) const;
/**
* returns the minimum space a manual label needs on the
* screen in pixels
*/
- int labelFill(Row const & row) const;
+ int labelFill(ParagraphList::iterator pit, Row const & row) const;
/// FIXME
- int labelEnd(Row const & row) const;
+ int labelEnd(ParagraphList::iterator pit, Row const & row) const;
///
mutable std::vector<lyx::pos_type> log2vis_list;
///
mutable lyx::pos_type bidi_end;
+ ///
+ const bool in_inset_;
+ ///
+ ParagraphList & paragraphs_;
+
///
void charInserted();
public:
/// return true if this is owned by an inset.
bool isInInset() const;
+ /// return first row of text
+ RowList::iterator firstRow() const;
+ /// return last row of text
+ RowList::iterator lastRow() const;
+ /// return row "behind" last row of text
+ RowList::iterator endRow() const;
+ /// return next row crossing paragraph boundaries
+ void nextRow(ParagraphList::iterator & pit,
+ RowList::iterator & rit) const;
+ /// return previous row crossing paragraph boundaries
+ void previousRow(ParagraphList::iterator & pit,
+ RowList::iterator & rit) const;
+
+ ///
+ bool noRows() const;
+
private:
/** Cursor related data.
Later this variable has to be removed. There should be now internal
projects / lyx.git / blobdiff