#include "lyxfont.h"
#include "layout.h"
#include "lyxlayout_ptr_fwd.h"
-#include "ParagraphList_fwd.h"
+#include "ParagraphList.h"
#include <iosfwd>
+
+namespace lyx {
+
class Buffer;
class BufferParams;
class BufferView;
class CursorSlice;
class Dimension;
+class ErrorList;
class InsetBase;
class InsetBase_code;
class FuncRequest;
/// This class encapsulates the main text data and operations in LyX
class LyXText {
public:
- ///
- typedef lyx::pos_type pos_type;
- ///
- typedef lyx::pit_type pit_type;
-
/// constructor
- explicit LyXText(BufferView *);
+ explicit LyXText(BufferView * bv = 0);
///
void init(BufferView *);
///
- LyXFont getFont(Paragraph const & par, pos_type pos) const;
+ LyXFont getFont(Buffer const & buffer, Paragraph const & par,
+ pos_type pos) const;
///
- void applyOuterFont(LyXFont &) const;
+ void applyOuterFont(Buffer const & buffer, LyXFont &) const;
///
- LyXFont getLayoutFont(pit_type pit) const;
+ LyXFont getLayoutFont(Buffer const & buffer, pit_type pit) const;
///
- LyXFont getLabelFont(Paragraph const & par) const;
+ LyXFont getLabelFont(Buffer const & buffer,
+ Paragraph const & par) const;
///
- void setCharFont(pit_type pit, pos_type pos, LyXFont const & font);
+ void setCharFont(Buffer const & buffer, pit_type pit, pos_type pos,
+ LyXFont const & font);
///
- void setCharFont(pit_type pit, pos_type pos, LyXFont const & font,
- bool toggleall);
+ void setCharFont(Buffer const & buffer, pit_type pit, pos_type pos,
+ LyXFont const & font, bool toggleall);
/// what you expect when pressing <enter> at cursor position
void breakParagraph(LCursor & cur, bool keep_layout = false);
/// set layout over selection
- void setLayout(pit_type start, pit_type end,
+ void setLayout(Buffer const & buffer, pit_type start, pit_type end,
std::string const & layout);
///
void setLayout(LCursor & cur, std::string const & layout);
/// Set font over selection paragraphs and rebreak.
void setFont(LCursor & cur, LyXFont const &, bool toggleall = false);
- /// rebreaks the given par
- bool redoParagraph(pit_type pit);
+ /// Rebreaks the given paragraph.
+ /// \retval true if a full screen redraw is needed.
+ /// \retval false if a single paragraph redraw is enough.
+ bool redoParagraph(BufferView &, pit_type pit);
/// returns pos in given par at given x coord
- pos_type x2pos(pit_type pit, int row, int x) const;
+ pos_type x2pos(BufferView const &, pit_type pit, int row, int x) const;
int pos2x(pit_type pit, pos_type pos) const;
///
void toggleFree(LCursor & cur, LyXFont const &, bool toggleall = false);
///
- std::string getStringToIndex(LCursor const & cur);
+ docstring getStringToIndex(LCursor const & cur);
/// insert a character at cursor position
- void insertChar(LCursor & cur, char c);
+ void insertChar(LCursor & cur, char_type c);
/// insert an inset at cursor position
void insertInset(LCursor & cur, InsetBase * inset);
- /// compute text metrics
- void metrics(MetricsInfo & mi, Dimension & dim);
+ /// compute text metrics.
+ bool metrics(MetricsInfo & mi, Dimension & dim);
/// draw text (only used for insets)
void draw(PainterInfo & pi, int x, int y) const;
/// draw textselection
bool getStatus(LCursor & cur, FuncRequest const & cmd,
FuncStatus & status) const;
- /// access to out BufferView. This should go...
- BufferView * bv() const;
-
/// read-only access to individual paragraph
Paragraph const & getPar(pit_type pit) const { return pars_[pit]; }
/// read-write access to individual paragraph
/** returns row near the specified
* y-coordinate in given paragraph (relative to the screen).
*/
- Row const & getRowNearY(int y, pit_type pit) const;
- pit_type getPitNearY(int y) const;
+ 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.
+ pit_type getPitNearY(BufferView & bv, int y);
/** returns the column near the specified x-coordinate of the row
x is set to the real beginning of this column
*/
- pos_type getColumnNearX(pit_type pit,
+ pos_type getColumnNearX(BufferView const & bv, pit_type pit,
Row const & row, int & x, bool & boundary) const;
/** Find the word under \c from in the relative location
* @param from return here the start of the word
* @param to return here the end of the word
*/
- void getWord(CursorSlice & from, CursorSlice & to, lyx::word_location const);
+ void getWord(CursorSlice & from, CursorSlice & to, word_location const);
/// just selects the word the cursor is in
- void selectWord(LCursor & cur, lyx::word_location loc);
+ void selectWord(LCursor & cur, word_location loc);
/// accept selected change
void acceptChange(LCursor & cur);
void setCursor(CursorSlice &, pit_type par, pos_type pos);
///
void setCursorIntern(LCursor & cur, pit_type par,
- pos_type pos, bool setfont = true, bool boundary = false);
+ pos_type pos, bool setfont = true, bool boundary = false);
///
void setCurrentFont(LCursor & cur);
///
- void recUndo(pit_type first, pit_type last) const;
+ void recUndo(LCursor & cur, pit_type first, pit_type last) const;
///
- void recUndo(pit_type first) const;
+ void recUndo(LCursor & cur, pit_type first) const;
/// returns true if par was empty and was removed
bool setCursorFromCoordinates(LCursor & cur, int x, int y);
- ///
+
+ /// sets cursor recursively descending into nested editable insets
+ /**
+ \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
+ */
InsetBase * editXY(LCursor & cur, int x, int y);
+
/// Move cursor one line up.
/**
* Returns true if an update is needed after the move.
///
bool cursorEnd(LCursor & cur);
///
- bool cursorPrevious(LCursor & cur);
+ void cursorPrevious(LCursor & cur);
///
- bool cursorNext(LCursor & cur);
+ void cursorNext(LCursor & cur);
///
bool cursorTop(LCursor & cur);
///
bool cursorBottom(LCursor & cur);
- /// Delete character at cursor. Honour change tracking
- bool Delete(LCursor & cur);
- /** At cursor position 0, merge paragraph with the one before it.
- * Ignore CT (this is used in \c acceptChange, \c rejectChange for
- * physical deletion of paragraph break)
- */
- bool backspacePos0(LCursor & cur);
+ /// Erase character at cursor. Honour change tracking
+ bool erase(LCursor & cur);
/// Delete character before cursor. Honour CT
bool backspace(LCursor & cur);
+ // Dissolve the inset under cursor
+ bool dissolveInset(LCursor & cur);
///
- bool selectWordWhenUnderCursor(LCursor & cur, lyx::word_location);
+ bool selectWordWhenUnderCursor(LCursor & cur, word_location);
///
enum TextCase {
///
};
/// Change the case of the word at cursor position.
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
void setParagraph(LCursor & cur,
Spacing const & spacing,
LyXAlignment align,
- std::string const & labelwidthstring,
+ docstring const & labelwidthstring,
bool noindent);
/* these things are for search and replace */
/// needed to insert the selection
- void insertStringAsLines(LCursor & cur, std::string const & str);
+ void insertStringAsLines(LCursor & cur, docstring const & str);
/// needed to insert the selection
- void insertStringAsParagraphs(LCursor & cur, std::string const & str);
+ void insertStringAsParagraphs(LCursor & cur, docstring const & str);
/// current text width
int width() const;
int height() const;
/// Returns an inset if inset was hit, or 0 if not.
- InsetBase * checkInsetHit(int x, int y) const;
+ InsetBase * checkInsetHit(BufferView &, int x, int y);
///
- int singleWidth(Paragraph const & par, pos_type pos) const;
+ int singleWidth(Buffer const &, Paragraph const & par,
+ pos_type pos) const;
///
- int singleWidth(Paragraph const & par,
- pos_type pos, char c, LyXFont const & Font) const;
+ int singleWidth(Paragraph const & par, pos_type pos, char_type 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(pit_type pit, pos_type pos) const;
- int leftMargin(pit_type pit) const;
+ int leftMargin(Buffer const &, pit_type pit, pos_type pos) const;
+ int leftMargin(Buffer const &, pit_type pit) const;
///
- int rightMargin(Paragraph const & par) const;
+ int rightMargin(Buffer const &, Paragraph const & par) const;
/** this calculates the specified parameters. needed when setting
* the cursor and when creating a visible row */
- RowMetrics computeRowMetrics(pit_type pit, Row const & row) const;
+ RowMetrics computeRowMetrics(Buffer const &, pit_type pit,
+ Row const & row) const;
/// access to our paragraphs
ParagraphList const & paragraphs() const { return pars_; }
ParagraphList & paragraphs() { return pars_; }
/// return true if this is the main text
- bool isMainText() const;
+ bool isMainText(Buffer const &) const;
/// return first row of text
Row const & firstRow() const;
bool isFirstRow(pit_type pit, Row const & row) const;
///
- double spacing(Paragraph const & par) const;
+ double spacing(Buffer const & buffer, Paragraph const & par) const;
/// make a suggestion for a label
- std::string getPossibleLabel(LCursor & cur) const;
+ docstring getPossibleLabel(LCursor & cur) const;
/// is this paragraph right-to-left?
- bool isRTL(Paragraph const & par) const;
+ bool isRTL(Buffer const &, Paragraph const & par) const;
///
bool checkAndActivateInset(LCursor & cur, bool front);
///
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);
+ bool read(Buffer const & buf, LyXLex & lex, ErrorList & errorList);
///
int ascent() const;
///
int descent() const;
///
- int cursorX(CursorSlice const & cursor, bool boundary) const;
+ int cursorX(Buffer const &, CursorSlice const & cursor,
+ bool boundary) const;
///
int cursorY(CursorSlice const & cursor, bool boundary) const;
/// delete double space or empty paragraphs around old cursor
bool deleteEmptyParagraphMechanism(LCursor & cur, LCursor & old);
- ///
- friend class LyXScreen;
-
public:
///
Dimension dim_;
///
int background_color_;
- /// only the top-level LyXText has this non-zero
- BufferView * bv_owner;
-
///
mutable Bidi bidi;
///
pit_type undoSpan(pit_type pit);
/// Calculate and set the height of the row
- void setHeightOfRow(pit_type, Row & row);
+ void setHeightOfRow(BufferView const &, pit_type, Row & row);
// fix the cursor `cur' after a characters has been deleted at `where'
// position. Called by deleteEmptyParagraphMechanism
void fixCursorAfterDelete(CursorSlice & cur, CursorSlice const & where);
+ // 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);
+
///
void deleteWordForward(LCursor & cur);
///
/// sets row.end to the pos value *after* which a row should break.
/// for example, the pos after which isNewLine(pos) == true
- void rowBreakPoint(pit_type pit, Row & row) const;
+ void rowBreakPoint(Buffer const &, int right_margin, pit_type pit,
+ Row & row) const;
/// sets row.width to the minimum space a row needs on the screen in pixel
- void setRowWidth(pit_type pit, Row & row) const;
+ void setRowWidth(Buffer const &, pit_type pit, Row & row) const;
/// the minimum space a manual label needs on the screen in pixels
- int labelFill(Paragraph const & par, Row const & row) const;
+ int labelFill(Buffer const &, Paragraph const & par, Row const & row) const;
/// FIXME
- int labelEnd(pit_type pit) const;
+ int labelEnd(Buffer const &, pit_type pit) const;
///
void charInserted();
/// return the default height of a row in pixels, considering font zoom
int defaultRowHeight();
+
+} // namespace lyx
+
#endif // LYXTEXT_H