* \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
#define LYXTEXT_H
+#include "Bidi.h"
+#include "dispatchresult.h"
#include "lyxfont.h"
-#include "lyxcursor.h"
#include "layout.h"
-#include "LColor.h"
-#include "insets/inset.h"
-#include "RowList.h"
-#include "bufferview_funcs.h"
-#include "textcursor.h"
+#include "lyxlayout_ptr_fwd.h"
+#include "ParagraphList.h"
+
+#include <iosfwd>
+
+
+namespace lyx {
class Buffer;
class BufferParams;
class BufferView;
-class InsetText;
-class Paragraph;
+class CursorSlice;
+class DocIterator;
+class ErrorList;
+class FuncRequest;
+class FuncStatus;
+class InsetBase;
+class LColor_color;
+class LCursor;
+class LyXTextClass;
+class PainterInfo;
class Row;
+class RowMetrics;
class Spacing;
-class UpdatableInset;
-class VSpace;
-class WordLangTuple;
-class ParagraphList;
-class MetricsInfo;
-class Dimension;
-/**
- This class holds the mapping between buffer paragraphs and screen rows.
- */
-
-// The inheritance from TextCursor should go. It's just there to ease
-// transition...
-class LyXText : public TextCursor {
+/// This class encapsulates the main text data and operations in LyX
+class LyXText {
public:
- /// Constructor
- LyXText(BufferView *);
- /// sets inset as owner
- LyXText(BufferView *, InsetText *);
+ /// constructor
+ explicit LyXText();
- void init(BufferView *);
- ///
- int height;
- ///
- unsigned int width;
- /// the current font settings
- LyXFont current_font;
- /// the current font
- LyXFont real_current_font;
-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_;
-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;
+ LyXFont getFont(Buffer const & buffer, Paragraph const & par,
+ pos_type pos) const;
///
- UpdatableInset * the_locking_inset;
-
- ///
- int getRealCursorX() const;
+ void applyOuterFont(Buffer const & buffer, LyXFont &) const;
///
- LyXFont const getFont(Buffer const *, ParagraphList::iterator pit,
- lyx::pos_type pos) const;
+ LyXFont getLayoutFont(Buffer const & buffer, pit_type pit) const;
///
- LyXFont const getLayoutFont(Buffer const *,
- ParagraphList::iterator pit) const;
+ LyXFont getLabelFont(Buffer const & buffer,
+ Paragraph const & par) const;
///
- LyXFont const getLabelFont(Buffer const *,
- ParagraphList::iterator pit) const;
+ void setCharFont(Buffer const & buffer, pit_type pit, pos_type pos,
+ LyXFont const & font);
///
- void setCharFont(Buffer const *, ParagraphList::iterator pit,
- lyx::pos_type pos, LyXFont const & font);
- void setCharFont(ParagraphList::iterator pit,
- lyx::pos_type pos,
- LyXFont const & font, bool toggleall);
+ void setCharFont(Buffer const & buffer, pit_type pit, 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);
-
- /** set layout over selection and make a total rebreak of
- those paragraphs
+ void breakParagraph(LCursor & cur, bool keep_layout = false);
+
+ /// set layout over selection
+ void setLayout(Buffer const & buffer, pit_type start, pit_type end,
+ std::string const & layout);
+ /// Set given layout to current cursor position.
+ /// FIXME: replace LCursor with DocIterator.
+ void setLayout(LCursor & cur, std::string const & layout);
+
+ /// what type of depth change to make
+ enum DEPTH_CHANGE {
+ INC_DEPTH,
+ DEC_DEPTH
+ };
+ /// Increase or decrease the nesting depth of the selected paragraph(s)
+ /// FIXME: replace LCursor with DocIterator.
+ void changeDepth(LCursor & cur, DEPTH_CHANGE type);
+
+ /// Returns whether something would be changed by changeDepth
+ /// FIXME: replace LCursor with DocIterator.
+ bool changeDepthAllowed(LCursor & cur, DEPTH_CHANGE type) const;
+
+ /// Set font over selection paragraphs and rebreak.
+ /// FIXME: replace LCursor with DocIterator.
+ void setFont(LCursor & cur, LyXFont const &, bool toggleall = false);
+
+ ///
+ void toggleFree(LCursor & cur, LyXFont const &, bool toggleall = false);
+
+ /// ???
+ /// FIXME: replace LCursor with DocIterator.
+ docstring getStringToIndex(LCursor const & cur);
+
+ /// insert a character at cursor position
+ /// FIXME: replace LCursor with DocIterator.
+ void insertChar(LCursor & cur, char_type c);
+ /// insert an inset at cursor position
+ /// FIXME: replace LCursor with DocIterator.
+ void insertInset(LCursor & cur, InsetBase * inset);
+
+ /// draw text (only used for insets)
+ void draw(PainterInfo & pi, int x, int y) const;
+ /// draw textselection
+ void drawSelection(PainterInfo & pi, int x, int y) const;
+
+ /// try to handle that request
+ /// FIXME: replace LCursor with DocIterator.
+ void dispatch(LCursor & cur, FuncRequest & cmd);
+ /// do we want to handle this event?
+ bool getStatus(LCursor & cur, FuncRequest const & cmd,
+ FuncStatus & status) const;
+
+ /// read-only access to individual paragraph
+ Paragraph const & getPar(pit_type pit) const { return pars_[pit]; }
+ /// read-write access to individual paragraph
+ Paragraph & getPar(pit_type pit) { return pars_[pit]; }
+ // Returns the current font and depth as a message.
+ /// FIXME: replace LCursor with DocIterator.
+ docstring currentState(LCursor & cur);
+
+ /** returns row near the specified
+ * y-coordinate in given paragraph (relative to the screen).
*/
- ParagraphList::iterator
- setLayout(LyXCursor & actual_cursor,
- LyXCursor & selection_start,
- LyXCursor & selection_end,
- string const & layout);
- ///
- void setLayout(string const & layout);
-
- /**
- * Increase or decrease the nesting depth of the selected paragraph(s)
- * if test_only, don't change any depths. Returns whether something
- * (would have) changed
+ /// FIXME: move to TextMetrics.
+ Row const & getRowNearY(BufferView const & bv, int y,
+ pit_type pit) const;
+
+ /// returns the paragraph number closest to screen y-coordinate.
+ /// This method uses the BufferView CoordCache to locate the
+ /// paragraph. The y-coodinate is allowed to be off-screen and
+ /// the CoordCache will be automatically updated if needed. This is
+ /// the reason why we need a non const BufferView and why this
+ /// method is non-const.
+ /// FIXME: move to TextMetrics.
+ pit_type getPitNearY(BufferView & bv, int y);
+
+ /** Find the word under \c from in the relative location
+ * defined by \c word_location.
+ * @param from return here the start of the word
+ * @param to return here the end of the word
*/
- bool changeDepth(bv_funcs::DEPTH_CHANGE type, bool test_only);
-
- /// get the depth at current cursor position
- int getDepth() const;
-
- /** set font over selection and make a total rebreak of those
- paragraphs.
- toggleall defaults to false.
- */
- void setFont(LyXFont const &, bool toggleall = false);
+ void getWord(CursorSlice & from, CursorSlice & to, word_location const);
+ /// just selects the word the cursor is in
+ void selectWord(LCursor & cur, word_location loc);
- /** 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);
- ///
- void redoParagraph();
+ /// what type of change operation to make
+ enum ChangeOp {
+ ACCEPT,
+ REJECT
+ };
+ /// accept or reject the selected change
+ void acceptOrRejectChanges(LCursor & cur, ChangeOp op);
+ /// accept the changes within the complete LyXText
+ void acceptChanges(BufferParams const & bparams);
+ /// reject the changes within the complete LyXText
+ void rejectChanges(BufferParams const & bparams);
+ /// returns true if par was empty and was removed
+ bool setCursor(LCursor & cur, pit_type par, pos_type pos,
+ bool setfont = true, bool boundary = false);
///
- void toggleFree(LyXFont const &, bool toggleall = false);
-
+ void setCursor(CursorSlice &, pit_type par, pos_type pos);
///
- 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 insertChar(char c);
+ void setCursorIntern(LCursor & cur, pit_type par,
+ pos_type pos, bool setfont = true, bool boundary = false);
///
- void insertInset(Inset * inset);
-
- /// Completes the insertion with a rebreak from 'need_break_row' on
- void partialRebreak();
- /// a full rebreak of the whole text
- void fullRebreak();
- /// compute text metrics
- void metrics(MetricsInfo & mi, Dimension & dim);
+ void setCurrentFont(LCursor & cur);
///
- RowList::iterator need_break_row;
-
- /// clear any pending paints
- void clearPaint();
-
- /// submit repaint request
- void postPaint();
-
+ void recUndo(LCursor & cur, pit_type first, pit_type last) const;
///
- Inset::RESULT dispatch(FuncRequest const & cmd);
+ void recUndo(LCursor & cur, pit_type first) const;
- BufferView * bv();
-
- BufferView * bv() const;
-
- friend class LyXScreen;
+ /// sets cursor only within this LyXText.
+ /// x,y are screen coordinates
+ void setCursorFromCoordinates(LCursor & cur, int x, int y);
+ /// sets cursor recursively descending into nested editable insets
/**
- * 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;
-
-private:
- /// returns a pointer to a specified row.
- RowList::iterator
- getRow(ParagraphList::iterator pit, lyx::pos_type pos) const;
-public:
- /// returns a pointer cursor row
- RowList::iterator getRow(LyXCursor const & cursor) const;
- /// convenience
- RowList::iterator cursorRow() const;
+ \return the inset pointer if x,y is covering that inset
+ \param x,y are absolute screen coordinates.
+ \retval inset is non-null if the cursor is positionned inside
+ */
+ /// FIXME: move to TextMetrics.
+ InsetBase * editXY(LCursor & cur, int x, int y);
+
+ /// Move cursor one line up.
/**
- * Return the next row, when cursor is at the end of the
- * previous row, for insets that take a full row.
- *
- * FIXME: explain why we need this ? especially for y...
+ * Returns true if an update is needed after the move.
*/
- RowList::iterator cursorIRow() const;
-
- /** returns a pointer to the row near the specified y-coordinate
- (relative to the whole text). y is set to the real beginning
- of this row
- */
- RowList::iterator getRowNearY(int & y) const;
-
- /** returns the column near the specified x-coordinate of the row
- x is set to the real beginning of this column
+ /// FIXME: move to TextMetrics.
+ bool cursorUp(LCursor & cur);
+ /// Move cursor one line down.
+ /**
+ * Returns true if an update is needed after the move.
*/
- 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
+ /// FIXME: move to TextMetrics.
+ bool cursorDown(LCursor & cur);
+ /// Move cursor one position left
+ /**
+ * Returns true if an update is needed after the move.
*/
- RowList::iterator
- getRow(ParagraphList::iterator pit, lyx::pos_type pos, int & y) const;
-
- RowList & rows() const {
- return rowlist_;
- }
-
-
- /// need the selection cursor:
- void setSelection();
- ///
- void clearSelection();
-
- /// select the word we need depending on word_location
- void getWord(LyXCursor & from, LyXCursor & to, lyx::word_location const);
- /// just selects the word the cursor is in
- void selectWord(lyx::word_location loc);
- /// returns the inset at cursor (if it exists), 0 otherwise
- Inset * getInset() const;
-
- /// accept selected change
- void acceptChange();
-
- /// reject selected change
- void rejectChange();
-
- /** 'selects" the next word, where the cursor is not in
- and returns this word as string. THe cursor will be moved
- to the beginning of this word.
- With SelectSelectedWord can this be highlighted really
+ bool cursorLeft(LCursor & cur);
+ /// Move cursor one position right
+ /**
+ * Returns true if an update is needed after the move.
*/
- WordLangTuple const selectNextWordToSpellcheck(float & value);
- ///
- void selectSelectedWord();
- /// returns true if par was empty and was removed
- bool setCursor(ParagraphList::iterator pit,
- lyx::pos_type pos,
- bool setfont = true,
- bool boundary = false);
- ///
- void setCursor(LyXCursor &, ParagraphList::iterator pit,
- lyx::pos_type pos,
- bool boundary = false);
- ///
- void setCursorIntern(ParagraphList::iterator pit,
- lyx::pos_type pos,
- bool setfont = true,
- bool boundary = false);
- ///
- void setCurrentFont();
-
- ///
- bool isBoundary(Buffer const *, Paragraph const & par,
- lyx::pos_type pos) const;
- ///
- bool isBoundary(Buffer const *, Paragraph const & par,
- lyx::pos_type pos,
- LyXFont const & font) const;
-
- ///
- void setCursorFromCoordinates(int x, int y);
- ///
- void setCursorFromCoordinates(LyXCursor &,
- int x, int y);
- ///
- void cursorUp(bool selecting = false);
- ///
- void cursorDown(bool selecting = false);
+ bool cursorRight(LCursor & cur);
///
- void cursorLeft(bool internal = true);
+ bool cursorLeftOneWord(LCursor & cur);
///
- void cursorRight(bool internal = true);
+ bool cursorRightOneWord(LCursor & cur);
///
- void cursorLeftOneWord();
+ bool cursorUpParagraph(LCursor & cur);
///
- void cursorRightOneWord();
+ bool cursorDownParagraph(LCursor & cur);
///
- void cursorUpParagraph();
+ /// FIXME: move to TextMetrics.
+ bool cursorHome(LCursor & cur);
///
- void cursorDownParagraph();
+ /// FIXME: move to TextMetrics.
+ bool cursorEnd(LCursor & cur);
///
- void cursorHome();
+ void cursorPrevious(LCursor & cur);
///
- void cursorEnd();
+ void cursorNext(LCursor & cur);
///
- void cursorPrevious();
+ bool cursorTop(LCursor & cur);
///
- void cursorNext();
+ bool cursorBottom(LCursor & cur);
+ /// Erase character at cursor. Honour change tracking
+ /// FIXME: replace LCursor with DocIterator.
+ bool erase(LCursor & cur);
+ /// Delete character before cursor. Honour CT
+ /// FIXME: replace LCursor with DocIterator.
+ bool backspace(LCursor & cur);
+ // Dissolve the inset under cursor
+ /// FIXME: replace LCursor with DocIterator.
+ bool dissolveInset(LCursor & cur);
///
- void cursorTop();
- ///
- void cursorBottom();
- ///
- void Delete();
- ///
- void backspace();
- ///
- bool selectWordWhenUnderCursor(lyx::word_location);
+ bool selectWordWhenUnderCursor(LCursor & cur, word_location);
///
enum TextCase {
///
text_uppercase = 2
};
/// Change the case of the word at cursor position.
- void changeCase(TextCase action);
-
- ///
- void toggleInset();
- ///
- void cutSelection(bool doclear = true, bool realcut = true);
- ///
- void copySelection();
- ///
- void pasteSelection(size_t sel_index = 0);
+ void changeCase(LCursor & cur, TextCase action);
+ /// Transposes the character at the cursor with the one before it
+ void charsTranspose(LCursor & cur);
/** the DTP switches for paragraphs. LyX will store the top settings
always in the first physical paragraph, the bottom settings in the
last. When a paragraph is broken, the top settings rest, the bottom
- settings are given to the new one. So I can make shure, they do not
- duplicate themself (and you cannnot make dirty things with them! )
+ settings are given to the new one.
*/
- void setParagraph(bool line_top, bool line_bottom,
- bool pagebreak_top, bool pagebreak_bottom,
- VSpace const & space_top,
- VSpace const & space_bottom,
+ void setParagraph(LCursor & cur,
Spacing const & spacing,
LyXAlignment align,
- string const & labelwidthstring,
+ docstring const & labelwidthstring,
bool noindent);
/* these things are for search and replace */
- /**
- * Sets the selection from the current cursor position to length
- * characters to the right. No safety checks.
- */
- void setSelectionRange(lyx::pos_type length);
-
- /** simple replacing. The font of the first selected character
- is used
- */
- void replaceSelectionWithString(string const & str);
-
/// needed to insert the selection
- void insertStringAsLines(string const & str);
+ /// FIXME: replace LCursor with DocIterator.
+ void insertStringAsLines(LCursor & cur, docstring const & str);
/// needed to insert the selection
- void insertStringAsParagraphs(string const & str);
-
- /// Find next inset of some specified type.
- bool gotoNextInset(std::vector<Inset::Code> const & codes,
- string const & contents = string());
- ///
- void gotoInset(std::vector<Inset::Code> const & codes,
- bool same_content);
- ///
- void gotoInset(Inset::Code code, bool same_content);
- ///
+ /// FIXME: replace LCursor with DocIterator.
+ void insertStringAsParagraphs(LCursor & cur, docstring const & str);
- /* for the greater insets */
+ /// Returns an inset if inset was hit, or 0 if not.
+ InsetBase * checkInsetHit(BufferView &, int x, int y);
- /// returns false if inset wasn't found
- bool updateInset(Inset *);
///
- void checkParagraph(ParagraphList::iterator pit, lyx::pos_type pos);
+ /// FIXME: move to TextMetrics.
+ int singleWidth(Buffer const &, Paragraph const & par,
+ pos_type pos) const;
///
- int workWidth() const;
- /// returns width of row containing inset
- int workWidth(Inset const * inset) const;
+ /// FIXME: move to TextMetrics.
+ int singleWidth(Paragraph const & par, pos_type pos, char_type c,
+ LyXFont const & Font) const;
- ///
- void computeBidiTables(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.
- lyx::pos_type vis2log(lyx::pos_type pos) const;
- ///
- lyx::pos_type bidi_level(lyx::pos_type pos) const;
- ///
- bool bidi_InRange(lyx::pos_type pos) const;
-private:
- ///
- mutable RowList rowlist_;
-
- ///
- float getCursorX(RowList::iterator rit, lyx::pos_type pos,
- lyx::pos_type last, bool boundary) const;
- /// used in setlayout
- void makeFontEntriesLayoutSpecific(Buffer 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);
+ /// return the color of the canvas
+ LColor_color backgroundColor() const;
- /// remove all following rows of the paragraph of the specified row.
- void removeParagraph(RowList::iterator rit);
+ /**
+ * Returns the left beginning of the text.
+ * This information cannot be taken from the layout object, because
+ * in LaTeX the beginning of the text fits in some cases
+ * (for example sections) exactly the label-width.
+ */
+ /// FIXME: move to TextMetrics.
+ int leftMargin(Buffer const &, int max_width, pit_type pit, pos_type pos) const;
+ int leftMargin(Buffer const &, int max_width, pit_type pit) const;
- /// insert the specified paragraph behind the specified row
- void insertParagraph(ParagraphList::iterator pit,
- RowList::iterator rowit);
+ /// access to our paragraphs
+ ParagraphList const & paragraphs() const { return pars_; }
+ ParagraphList & paragraphs() { return pars_; }
+ /// return true if this is the main text
+ bool isMainText(Buffer const &) const;
- /** appends the implizit specified paragraph behind the specified row,
- * start at the implizit given position */
- void appendParagraph(RowList::iterator rowit);
+ /// is this row the last in the text?
+ /// FIXME: move to TextMetrics.
+ bool isLastRow(pit_type pit, Row const & row) const;
+ /// is this row the first in the text?
+ /// FIXME: move to TextMetrics.
+ bool isFirstRow(pit_type pit, Row const & row) const;
///
- void breakAgain(RowList::iterator rit);
- /// Calculate and set the height of the row
- void setHeightOfRow(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);
-
- /// delete double space (false) or empty paragraphs (true) around old_cursor
- bool deleteEmptyParagraphMechanism(LyXCursor const & old_cursor);
+ double spacing(Buffer const & buffer, Paragraph const & par) const;
+ /// make a suggestion for a label
+ /// FIXME: replace LCursor with DocIterator.
+ docstring getPossibleLabel(LCursor & cur) const;
+ /// is this paragraph right-to-left?
+ bool isRTL(Buffer const &, Paragraph const & par) const;
+ ///
+ bool checkAndActivateInset(LCursor & cur, bool front);
-public:
- /** 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.
- */
- Inset * checkInsetHit(int & x, int & y);
+ void write(Buffer const & buf, std::ostream & os) const;
+ /// returns whether we've seen our usual 'end' marker
+ bool read(Buffer const & buf, LyXLex & lex, ErrorList & errorList);
///
- int singleWidth(ParagraphList::iterator pit, lyx::pos_type pos) const;
+ /// FIXME: move to TextMetrics.
+ int cursorX(BufferView const &, CursorSlice const & cursor,
+ bool boundary) const;
///
- int singleWidth(ParagraphList::iterator pit,
- lyx::pos_type pos, char c) const;
- /// rebuild row cache
- void rebuildRows();
-
- /// return the color of the canvas
- LColor::color backgroundColor() const;
+ /// FIXME: move to TextMetrics.
+ int cursorY(BufferView const & bv, CursorSlice const & cursor,
+ bool boundary) const;
- ///
- mutable bool bidi_same_direction;
+ /// delete double spaces, leading spaces, and empty paragraphs around old cursor.
+ /// \retval true if a change has happened and we need a redraw.
+ /// FIXME: replace LCursor with DocIterator. This is not possible right
+ /// now because recordUndo() is called which needs a LCursor.
+ static bool deleteEmptyParagraphMechanism(LCursor & cur,
+ LCursor & old, bool & need_anchor_change);
- unsigned char transformChar(unsigned char c, Paragraph const & par,
- lyx::pos_type pos) const;
+ /// delete double spaces, leading spaces, and empty paragraphs
+ /// from \first to \last paragraph
+ void deleteEmptyParagraphMechanism(pit_type first, pit_type last, bool trackChanges);
- /**
- * Returns the left beginning of the text.
- * This information cannot be taken from the layout object, because
- * in LaTeX the beginning of the text fits in some cases
- * (for example sections) exactly the label-width.
- */
- int leftMargin(Row const & row) const;
+public:
+ /// the current font settings
+ LyXFont current_font;
+ /// the current font
+ LyXFont real_current_font;
///
- int rightMargin(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, int & x,
- int & fill_separator,
- int & fill_hfill,
- int & fill_label_hfill,
- bool bidi = true) const;
+ int background_color_;
-private:
- ///
- void setCounter(Buffer const *, ParagraphList::iterator pit);
///
- void deleteWordForward();
+ mutable Bidi bidi;
///
- void deleteWordBackward();
- ///
- void deleteLineForward();
-
- /*
- * some low level functions
- */
+ ParagraphList pars_;
+ /// our 'outermost' font. This is handed down from the surrounding
+ // inset through the pi/mi parameter (pi.base.font)
+ LyXFont font_;
- /// 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;
-
- /// returns the minimum space a row needs on the screen in pixel
- int fill(RowList::iterator row, int workwidth) const;
+ ///
+ bool autoBreakRows_;
+private:
+ /// return past-the-last paragraph influenced by a layout
+ /// change on pit
+ pit_type undoSpan(pit_type pit);
- /**
- * returns the minimum space a manual label needs on the
- * screen in pixels
- */
- int labelFill(Row const & row) const;
+ // fix the cursor `cur' after a characters has been deleted at `where'
+ // position. Called by deleteEmptyParagraphMechanism
+ static void fixCursorAfterDelete(CursorSlice & cur, CursorSlice const & where);
- /// FIXME
- int labelEnd(Row const & row) const;
+ // At cursor position 0, try to merge the paragraph with the one before it.
+ // Ignore change tracking, i.e., physically remove the end-of-par character
+ bool backspacePos0(LCursor & cur);
///
- mutable std::vector<lyx::pos_type> log2vis_list;
+ void deleteWordForward(LCursor & cur);
///
- mutable std::vector<lyx::pos_type> vis2log_list;
+ void deleteWordBackward(LCursor & cur);
///
- mutable std::vector<lyx::pos_type> bidi_levels;
- ///
- mutable lyx::pos_type bidi_start;
- ///
- mutable lyx::pos_type bidi_end;
-
+ void deleteLineForward(LCursor & cur);
///
void charInserted();
-public:
- //
- // special owner functions
- ///
- ParagraphList & ownerParagraphs() const;
-
- /// return true if this is owned by an inset.
- bool isInInset() const;
-
-private:
- /** Cursor related data.
- Later this variable has to be removed. There should be now internal
- cursor in a text */
- ///
- ///TextCursor cursor_;
+ /// set 'number' font property
+ void number(LCursor & cur);
+
+ /// paste plain text at current cursor.
+ /// \param str string to paste
+ /// \param asParagraphs whether to paste as paragraphs or as lines
+ void pasteString(LCursor & cur, docstring const & str,
+ bool asParagraphs);
};
-/// return the default height of a row in pixels, considering font zoom
-extern int defaultRowHeight();
+} // namespace lyx
#endif // LYXTEXT_H