// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
+/**
+ * \file lyxtext.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author unknown
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
*
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
#ifndef LYXTEXT_H
#define LYXTEXT_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include "lyxfont.h"
-#include "lyxcursor.h"
-#include "paragraph.h"
+#include "bufferview_funcs.h"
+#include "Bidi.h"
#include "layout.h"
-#include "lyxrow.h"
-#include "vspace.h"
-#include "Spacing.h"
-#include "LColor.h"
+#include "lyxfont.h"
+#include "lyxtextclass.h"
+#include "ParagraphList_fwd.h"
+#include "RowList_fwd.h"
+#include "textcursor.h"
+
+#include "insets/inset.h"
+
+#include <iosfwd>
class Buffer;
class BufferParams;
class BufferView;
-class InsetText;
+class Dimension;
+class LColor_color;
+class LyXCursor;
+class MetricsInfo;
+class Paragraph;
+class Row;
+class Spacing;
+class UpdatableInset;
+class VSpace;
/**
- 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.
*/
-class LyXText {
-public:
- ///
- enum text_status {
- ///
- UNCHANGED = 0,
- ///
- CHANGED_IN_DRAW = 1,
- ///
- NEED_VERY_LITTLE_REFRESH = 2,
- ///
- NEED_MORE_REFRESH = 3
- };
- ///
- enum word_location {
- // the word around the cursor, only if the cursor is
- //not at a boundary
- WHOLE_WORD_STRICT,
- // the word around the cursor
- WHOLE_WORD,
- /// the word begining from the cursor position
- PARTIAL_WORD,
- /// the word around the cursor or before the cursor
- PREVIOUS_WORD,
- /// the next word (not yet used)
- NEXT_WORD
- };
+// The inheritance from TextCursor should go. It's just there to ease
+// transition...
+class LyXText : public TextCursor {
+ // Public Functions
+public:
/// Constructor
- LyXText(BufferView *);
+ LyXText(BufferView *, bool ininset);
///
- LyXText(InsetText *);
-
- /// Destructor
- ~LyXText();
+ void init(BufferView *);
- void init(BufferView *, bool reinit = false);
- ///
- mutable int number_of_rows;
- ///
- mutable int height;
- ///
- mutable unsigned int width;
- /// the current font settings
- mutable LyXFont current_font;
- /// the current font
- mutable LyXFont real_current_font;
- /// first visible pixel-row is set from LyXScreen!!!
- // unsigned is wrong here for text-insets!
- int first;
- ///
- BufferView * bv_owner;
- ///
- InsetText * inset_owner;
- ///
- UpdatableInset * the_locking_inset;
+ /// update y coordinate cache of all paragraphs
+ void updateParPositions();
///
- int getRealCursorX(BufferView *) const;
+ LyXFont getFont(ParagraphList::iterator pit, lyx::pos_type pos) const;
///
- LyXFont const getFont(Buffer const *, Paragraph * par,
- Paragraph::size_type pos) const;
+ LyXFont getLayoutFont(ParagraphList::iterator pit) const;
///
- LyXFont const getLayoutFont(Buffer const *, Paragraph * par) const;
+ LyXFont getLabelFont(ParagraphList::iterator pit) const;
///
- LyXFont const getLabelFont(Buffer const *, Paragraph * par) const;
- ///
- void setCharFont(Buffer const *, Paragraph * par,
- Paragraph::size_type pos, LyXFont const & font);
- void setCharFont(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
- LyXFont const & font, bool toggleall);
- /// returns a pointer to the very first Paragraph
- Paragraph * firstParagraph() const;
-
+ void setCharFont(ParagraphList::iterator pit,
+ lyx::pos_type pos, LyXFont const & font);
+ void setCharFont(ParagraphList::iterator pit,
+ lyx::pos_type pos,
+ LyXFont const & font, bool toggleall);
+
/// what you expect when pressing <enter> at cursor position
- void breakParagraph(BufferView *, char keep_layout = 0);
+ void breakParagraph(ParagraphList & paragraphs, char keep_layout = 0);
/** set layout over selection and make a total rebreak of
those paragraphs
*/
- Paragraph * setLayout(BufferView *, LyXCursor & actual_cursor,
- LyXCursor & selection_start,
- LyXCursor & selection_end,
- LyXTextClass::size_type layout);
- void setLayout(BufferView *, LyXTextClass::size_type layout);
-
- /// used in setlayout
- void makeFontEntriesLayoutSpecific(Buffer const *, Paragraph * par);
-
- /** increment depth over selection and make a total rebreak of those
- paragraphs
- */
- void incDepth(BufferView *);
-
- /** decrement depth over selection and make a total rebreak of those
- paragraphs */
- void decDepth(BufferView *);
+ ParagraphList::iterator
+ setLayout(ParagraphList::iterator start,
+ ParagraphList::iterator end,
+ std::string const & layout);
+ ///
+ void setLayout(std::string const & layout);
+
+ /// Increase or decrease the nesting depth of the selected paragraph(s)
+ void changeDepth(bv_funcs::DEPTH_CHANGE type);
+
+ /// Returns whether something would be changed by changeDepth
+ bool changeDepthAllowed(bv_funcs::DEPTH_CHANGE type);
+
+ /// get the depth at current cursor position
+ int getDepth() const;
- /** Get the depth at current cursor position
- */
- int getDepth() const { return cursor.par()->getDepth(); }
-
/** set font over selection and make a total rebreak of those
paragraphs.
toggleall defaults to false.
*/
- void setFont(BufferView *, 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(BufferView *, LyXCursor const & cursor,
- Paragraph const * end_par) const;
- ///
- void redoParagraph(BufferView *) const;
-
+ void setFont(LyXFont const &, bool toggleall = false);
+
+ /// rebreaks all paragaphs between the given pars.
+ void redoParagraphs(ParagraphList::iterator begin,
+ ParagraphList::iterator end);
+ /// rebreaks the given par
+ void redoParagraph(ParagraphList::iterator pit);
+
+ /// rebreaks the cursor par
+ void redoParagraph();
+
///
- void toggleFree(BufferView *, LyXFont const &, bool toggleall = false);
+ void toggleFree(LyXFont const &, bool toggleall = false);
///
- string getStringToIndex(BufferView *);
-
- /** recalculates the heights of all previous rows of the
- specified paragraph. needed, if the last characters font
- has changed.
- */
- void redoHeightOfParagraph(BufferView *, LyXCursor const & cursor);
-
- /** forces the redrawing of a paragraph. Needed when manipulating a
- right address box
- */
- void redoDrawingOfParagraph(BufferView *, LyXCursor const & cursor);
-
- /** insert a character, moves all the following breaks in the
+ std::string getStringToIndex();
+
+ /** insert a character, moves all the following breaks in the
same Paragraph one to the right and make a little rebreak
*/
- void insertChar(BufferView *, char c);
+ void insertChar(char c);
///
- void insertInset(BufferView *, Inset * inset);
-
- /** Completes the insertion with a full rebreak.
- Returns true if something was broken. */
- bool fullRebreak(BufferView *);
+ void insertInset(InsetOld * inset);
+ /// a full rebreak of the whole text
+ void fullRebreak();
+ /// compute text metrics
+ void metrics(MetricsInfo & mi, Dimension & dim);
+ /// draw text (only used for insets)
+ void draw(PainterInfo & pi, int x, int y) const;
+
+ /// try to handle that request
+ DispatchResult dispatch(FuncRequest const & cmd);
+
+ BufferView * bv();
+
+ BufferView * bv() const;
+
+ friend class LyXScreen;
+
+ /// returns an iterator pointing to a cursor paragraph
+ ParagraphList::iterator getPar(LyXCursor const & cursor) const;
///
- mutable Row * need_break_row;
- ///
- mutable int refresh_y;
- ///
- int refresh_height;
- ///
- int refresh_width;
- ///
- int refresh_x;
+ ParagraphList::iterator getPar(lyx::paroffset_type par) const;
///
- mutable Row * refresh_row;
+ int parOffset(ParagraphList::iterator pit) const;
+ /// convenience
+ ParagraphList::iterator cursorPar() const;
///
- Paragraph::size_type refresh_pos;
+ RowList::iterator cursorRow() const;
- /// give and set the LyXText status
- text_status status() const;
- ///
- void status(BufferView *, text_status) const;
+ /** returns an iterator pointing 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,
+ ParagraphList::iterator & pit) const;
-private:
- /** wether the screen needs a refresh,
- starting with refresh_y
- */
- mutable text_status status_;
-
-public:
- /** 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
- */
- Row * getRowNearY(int & y) const;
-
- /** returns the column near the specified x-coordinate of the row
+ /** returns the column near the specified x-coordinate of the row
x is set to the real beginning of this column
- */
- Paragraph::size_type getColumnNearX(BufferView *, Row * row,
- int & x, bool & boundary) const;
-
- /** returns a pointer to a specified row. y is set to the beginning
- of the row
*/
- Row * getRow(Paragraph * par,
- Paragraph::size_type pos, int & y) const;
+ lyx::pos_type getColumnNearX(ParagraphList::iterator pit,
+ Row const & row, int & x, bool & boundary) const;
- /** returns the height of a default row, needed for scrollbar
- */
- int defaultHeight() const;
-
- /** The cursor.
- Later this variable has to be removed. There should be now internal
- cursor in a text (and thus not in a buffer). By keeping this it is
- (I think) impossible to have several views with the same buffer, but
- the cursor placed at different places.
- [later]
- Since the LyXText now has been moved from Buffer to BufferView
- it should not be absolutely needed to move the cursor...
- */
- mutable LyXCursor cursor; // actual cursor position
-
- /** The structure that keeps track of the selections set. */
- struct Selection {
- Selection()
- : set_(false), mark_(false)
- {}
- bool set() const {
- return set_;
- }
- void set(bool s) {
- set_ = s;
- }
- bool mark() const {
- return mark_;
- }
- void mark(bool m) {
- mark_ = m;
- }
- LyXCursor cursor; // temporary cursor to hold a cursor position
- // until setSelection is called!
- LyXCursor start; // start of a REAL selection
- LyXCursor end; // end of a REAL selection
- private:
- bool set_; // former selection
- bool mark_; // former mark_set
-
- };
- mutable Selection selection;
-
- /// needed for the toggling (cursor position on last selection made)
- mutable LyXCursor last_sel_cursor;
- /// needed for toggling the selection in screen.C
- mutable LyXCursor toggle_cursor;
- /// needed for toggling the selection in screen.C
- mutable LyXCursor toggle_end_cursor;
-
/// need the selection cursor:
- void setSelection(BufferView *);
- ///
- void clearSelection() const;
+ void setSelection();
///
- string const selectionAsString(Buffer const *, bool label) const;
-
+ void clearSelection();
+
/// select the word we need depending on word_location
- void getWord(LyXCursor & from, LyXCursor & to,
- word_location const) const;
+ void getWord(LyXCursor & from, LyXCursor & to, lyx::word_location const);
/// just selects the word the cursor is in
- void selectWord(BufferView *, word_location const);
+ void selectWord(lyx::word_location loc);
/// returns the inset at cursor (if it exists), 0 otherwise
- Inset * getInset() const;
+ InsetOld * 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
- */
- string const selectNextWordToSpellcheck(BufferView *, float & value) const;
- ///
- void selectSelectedWord(BufferView *);
- ///
- void setCursor(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
- bool setfont = true,
- bool boundary = false) const;
- ///
- void setCursor(BufferView *, LyXCursor &, Paragraph * par,
- Paragraph::size_type pos,
- bool boundary = false) const;
///
- void setCursorIntern(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
- bool setfont = true,
- bool boundary = false) const;
+ void setCursor(ParagraphList::iterator pit, lyx::pos_type pos);
+ /// returns true if par was empty and was removed
+ bool setCursor(lyx::paroffset_type par, lyx::pos_type pos,
+ bool setfont = true, bool boundary = false);
///
- void setCurrentFont(BufferView *) const;
-
+ void setCursor(LyXCursor &, lyx::paroffset_type par,
+ lyx::pos_type pos, bool boundary = false);
///
- bool isBoundary(Buffer const *, Paragraph * par,
- Paragraph::size_type pos) const;
+ void setCursorIntern(lyx::paroffset_type par, lyx::pos_type pos,
+ bool setfont = true, bool boundary = false);
///
- bool isBoundary(Buffer const *, Paragraph * par,
- Paragraph::size_type pos,
- LyXFont const & font) const;
+ void setCurrentFont();
///
- void setCursorFromCoordinates(BufferView *, int x, int y) const;
+ void recUndo(lyx::paroffset_type first, lyx::paroffset_type last) const;
///
- void setCursorFromCoordinates(BufferView *, LyXCursor &,
- int x, int y) const;
+ void recUndo(lyx::paroffset_type first) const;
///
- void cursorUp(BufferView *) const;
+ void setCursorFromCoordinates(int x, int y);
///
- void cursorDown(BufferView *) const;
+ void setCursorFromCoordinates(LyXCursor &, int x, int y);
///
- void cursorLeft(BufferView *, bool internal = true) const;
+ void cursorUp(bool selecting = false);
///
- void cursorRight(BufferView *, bool internal = true) const;
+ void cursorDown(bool selecting = false);
///
- void cursorLeftOneWord(BufferView *) const;
+ bool cursorLeft(bool internal = true);
///
- void cursorLeftOneWord(LyXCursor &) const;
+ bool cursorRight(bool internal = true);
///
- void cursorRightOneWord(BufferView *) const;
+ void cursorLeftOneWord();
///
- void cursorUpParagraph(BufferView *) const;
+ void cursorRightOneWord();
///
- void cursorDownParagraph(BufferView *) const;
+ void cursorUpParagraph();
///
- void cursorHome(BufferView *) const;
+ void cursorDownParagraph();
///
- void cursorEnd(BufferView *) const;
+ void cursorHome();
///
- void cursorTab(BufferView *) const;
+ void cursorEnd();
///
- void cursorTop(BufferView *) const;
+ void cursorPrevious();
///
- void cursorBottom(BufferView *) const;
+ void cursorNext();
///
- void Delete(BufferView *);
+ void cursorTop();
///
- void backspace(BufferView *);
+ void cursorBottom();
///
- void deleteWordForward(BufferView *);
+ void Delete();
///
- void deleteWordBackward(BufferView *);
+ void backspace();
///
- void deleteLineForward(BufferView *);
- ///
- bool selectWordWhenUnderCursor(BufferView *,
- word_location const);
+ bool selectWordWhenUnderCursor(lyx::word_location);
///
enum TextCase {
///
text_uppercase = 2
};
/// Change the case of the word at cursor position.
- void changeCase(BufferView *, TextCase action);
- ///
- void changeRegionCase(BufferView * bview,
- LyXCursor const & from,
- LyXCursor const & to,
- LyXText::TextCase action);
- ///
- void transposeChars(BufferView &);
-
- /** returns a printed row in a pixmap. The y value is needed to
- decide, wether it is selected text or not. This is a strange
- solution but faster.
- */
- void getVisibleRow(BufferView *, int y_offset, int x_offset,
- Row * row_ptr, int y, bool cleared=false);
+ void changeCase(TextCase action);
- ///
- void toggleInset(BufferView *);
+ /// returns success
+ bool toggleInset();
///
- void cutSelection(BufferView *, bool doclear = true, bool realcut = true);
+ void cutSelection(bool doclear = true, bool realcut = true);
///
- void copySelection(BufferView *);
+ void copySelection();
///
- void pasteSelection(BufferView *);
- ///
- void copyEnvironmentType();
- ///
- void pasteEnvironmentType(BufferView *);
+ void pasteSelection(size_t sel_index = 0);
/** 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! )
- */
- void setParagraph(BufferView *,
- bool line_top, bool line_bottom,
- bool pagebreak_top, bool pagebreak_bottom,
- VSpace const & space_top,
- VSpace const & space_bottom,
+ last. When a paragraph is broken, the top settings rest, the bottom
+ settings are given to the new one.
+ */
+ void setParagraph(
Spacing const & spacing,
- LyXAlignment align,
- string labelwidthstring,
+ LyXAlignment align,
+ std::string const & labelwidthstring,
bool noindent);
/* these things are for search and replace */
- /** sets the selection over the number of characters of string,
- no check!!
- */
- void setSelectionOverString(BufferView *, string const & str);
+ /**
+ * 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(BufferView *, string const & str);
+ void replaceSelectionWithString(std::string const & str);
/// needed to insert the selection
- void insertStringAsLines(BufferView *, string const & str);
+ void insertStringAsLines(std::string const & str);
/// needed to insert the selection
- void insertStringAsParagraphs(BufferView *, string const & str);
+ void insertStringAsParagraphs(std::string const & str);
/// Find next inset of some specified type.
- bool gotoNextInset(BufferView *, std::vector<Inset::Code> const & codes,
- string const & contents = string()) const;
- ///
-
- /* for the greater insets */
-
- /// returns false if inset wasn't found
- bool updateInset(BufferView *, Inset *);
- ///
- void checkParagraph(BufferView *, Paragraph * par,
- Paragraph::size_type pos);
- ///
- int numberOfCell(Paragraph * par,
- Paragraph::size_type pos) const;
- ///
- void removeTableRow(LyXCursor & cursor) const;
- ///
- bool isEmptyTableCell() const;
- ///
- void toggleAppendix(BufferView *);
- ///
- int workWidth(BufferView *) const;
- ///
- void computeBidiTables(Buffer const *, Row * row) const;
-
- /// Maps positions in the visual string to positions in logical string.
- inline
- Paragraph::size_type log2vis(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return pos;
- else
- return log2vis_list[pos-bidi_start];
- }
-
- /// Maps positions in the logical string to positions in visual string.
- inline
- Paragraph::size_type vis2log(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return pos;
- else
- return vis2log_list[pos-bidi_start];
- }
- ///
- inline
- Paragraph::size_type bidi_level(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return 0;
- else
- return bidi_levels[pos-bidi_start];
- }
- ///
- inline
- bool bidi_InRange(Paragraph::size_type pos) const {
- return bidi_start == -1 ||
- (bidi_start <= pos && pos <= bidi_end);
- }
-private:
+ bool gotoNextInset(std::vector<InsetOld::Code> const & codes,
+ std::string const & contents = std::string());
///
- mutable Row * firstrow;
+ void gotoInset(std::vector<InsetOld::Code> const & codes,
+ bool same_content);
///
- mutable Row * lastrow;
+ void gotoInset(InsetOld::Code code, bool same_content);
- /** Copybuffer for copy environment type.
- Asger has learned that this should be a buffer-property instead
- Lgb has learned that 'char' is a lousy type for non-characters
- */
- LyXTextClass::size_type copylayouttype;
+ /// current max text width
+ int textWidth() const;
- /** inserts a new row behind the specified row, increments
- the touched counters */
- void insertRow(Row * row, Paragraph * par,
- Paragraph::size_type pos) const;
- /** removes the row and reset the touched counters */
- void removeRow(Row * row) const;
+ /// updates all counters
+ void updateCounters();
+ /// Returns an inset if inset was hit, or 0 if not.
+ InsetOld * checkInsetHit(int x, int y);
- /** remove all following rows of the paragraph of the specified row. */
- void removeParagraph(Row * row) const;
+ ///
+ int singleWidth(ParagraphList::iterator pit, lyx::pos_type pos) const;
+ ///
+ int singleWidth(ParagraphList::iterator pit,
+ lyx::pos_type pos, char c, LyXFont const & Font) const;
- /** insert the specified paragraph behind the specified row */
- void insertParagraph(BufferView *,
- Paragraph * par, Row * row) const;
+ /// return the color of the canvas
+ LColor_color backgroundColor() const;
- /** appends the implizit specified paragraph behind the specified row,
- * start at the implizit given position */
- void appendParagraph(BufferView *, Row * row) const;
-
- ///
- void breakAgain(BufferView *, Row * row) const;
+ /**
+ * 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(ParagraphList::iterator pit, lyx::pos_type pos) const;
+ int leftMargin(ParagraphList::iterator pit) const;
///
- void breakAgainOneRow(BufferView *, Row * row);
- /// Calculate and set the height of the row
- void setHeightOfRow(BufferView *, Row * row_ptr) const;
+ int rightMargin(Paragraph const & par) const;
/** this calculates the specified parameters. needed when setting
- * the cursor and when creating a visible row */
- void prepareToPrint(BufferView *, Row * row, float & x,
- float & fill_separator,
- float & fill_hfill,
- float & fill_label_hfill,
- bool bidi = true) const;
+ * the cursor and when creating a visible row */
+ void prepareToPrint(ParagraphList::iterator pit, Row & row) const;
- // fix the cursor `cur' after a characters has been deleted at `where'
- // position. Called by deleteEmptyParagraphMechanism
- void fixCursorAfterDelete(BufferView * bview,
- LyXCursor & cur,
- LyXCursor const & where) const;
+ //
+ // special owner functions
+ ///
+ ParagraphList & paragraphs() const;
+
+ /// return true if this is owned by an inset.
+ bool isInInset() const;
+
+ ///
+ ParagraphList::iterator firstPar() const;
+ ///
+ ParagraphList::iterator lastPar() const;
+ ///
+ ParagraphList::iterator endPar() 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;
+
+ /// is this row the last in the text?
+ bool isLastRow(ParagraphList::iterator pit, Row const & row) const;
+ /// is this row the first in the text?
+ bool isFirstRow(ParagraphList::iterator pit, Row const & row) const;
+
+ ///
+ std::string selectionAsString(Buffer const & buffer, bool label) const;
+ ///
+ double spacing(Paragraph const &) const;
+ ///
+ void cursorLeftOneWord(LyXCursor &);
+ ///
+ void cursorRightOneWord(LyXCursor &);
+
+ ///
+ DispatchResult moveRight();
+ ///
+ DispatchResult moveLeft();
+ ///
+ DispatchResult moveRightIntern(bool front,
+ bool activate_inset, bool selecting);
+ ///
+ DispatchResult moveLeftIntern(bool front,
+ bool activate_inset, bool selecting);
+ ///
+ DispatchResult moveUp();
+ ///
+ DispatchResult moveDown();
+ ///
+ bool checkAndActivateInset(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);
+
+ ///
+ int ascent() const;
+ ///
+ int descent() const;
///
- void deleteEmptyParagraphMechanism(BufferView *,
- LyXCursor const & old_cursor) const;
+ int cursorX() const;
+ ///
+ int cursorY() const;
+ ///
+ int cursorX(LyXCursor const & cursor) const;
+ ///
+ int cursorY(LyXCursor const & cursor) const;
public:
- /** Updates all counters starting BEHIND the row. Changed paragraphs
- * with a dynamic left margin will be rebroken. */
- void updateCounters(BufferView *, Row * row) const;
-private:
///
- void setCounter(Buffer const *, Paragraph * par) const;
-
- /*
- * some low level functions
- */
-
+ int height;
///
- int singleWidth(BufferView *, Paragraph * par,
- Paragraph::size_type pos) const;
+ unsigned int width;
///
- int singleWidth(BufferView *, Paragraph * par,
- Paragraph::size_type pos, char c) const;
+ int textwidth_;
+ /// the current font settings
+ LyXFont current_font;
+ /// the current font
+ LyXFont real_current_font;
+ /// our buffer's default layout font
+ LyXFont defaultfont_;
///
- void draw(BufferView *, Row const * row,
- Paragraph::size_type & pos,
- int offset, float & x, bool cleared);
+ int background_color_;
- /// get the next breakpoint in a given paragraph
- Paragraph::size_type nextBreakPoint(BufferView *, Row const * row,
- int width) const;
- /// returns the minimum space a row needs on the screen in pixel
- int fill(BufferView *, Row * row, int workwidth) const;
-
- /** returns the minimum space a manual label needs on the
- screen in pixel */
- int labelFill(BufferView *, Row const * row) const;
+ /// only the top-level LyXText has this non-zero
+ BufferView * bv_owner;
///
- Paragraph::size_type
- beginningOfMainBody(Buffer const *, Paragraph const * par) const;
-
- /** Returns the left beginning of the text.
- This information cannot be taken from the layouts-objekt, because
- in LaTeX the beginning of the text fits in some cases
- (for example sections) exactly the label-width.
- */
- int leftMargin(BufferView *, Row const * row) const;
+ mutable Bidi bidi;
///
- int rightMargin(Buffer const *, Row const * row) const;
+ bool in_inset_;
///
- int labelEnd (BufferView *, Row const * row) const;
+ ParagraphList paragraphs_;
- /** returns the number of separators in the specified row.
- The separator on the very last column doesnt count
- */
- int numberOfSeparators(Buffer const *, Row const * row) const;
+ /// absolute document pixel coordinates of this LyXText
+ mutable int xo_;
+ mutable int yo_;
- /** returns the number of hfills in the specified row. The
- LyX-Hfill is a LaTeX \hfill so that the hfills at the
- beginning and at the end were ignored. This is {\em MUCH}
- more usefull than not to ignore!
- */
- int numberOfHfills(Buffer const *, Row const * row) const;
-
- /// like NumberOfHfills, but only those in the manual label!
- int numberOfLabelHfills(Buffer const *, Row const * row) const;
- /** returns true, if a expansion is needed. Rules are given by
- LaTeX
- */
- bool hfillExpansion(Buffer const *, Row const * row_ptr,
- Paragraph::size_type pos) const;
- ///
- LColor::color backgroundColor();
+ /// our 'outermost' Font
+ LyXFont font_;
- ///
- mutable std::vector<Paragraph::size_type> log2vis_list;
+private:
+ /// return past-the-last paragraph influenced by a layout
+ /// change on pit
+ ParagraphList::iterator undoSpan(ParagraphList::iterator pit);
+
+ /// rebreaks the given par
+ void redoParagraphInternal(ParagraphList::iterator pit);
+ /// used in setlayout
+ void makeFontEntriesLayoutSpecific(BufferParams const &, Paragraph & par);
- ///
- mutable std::vector<Paragraph::size_type> vis2log_list;
+ /// Calculate and set the height of the row
+ void setHeightOfRow(ParagraphList::iterator, Row & row);
- ///
- mutable std::vector<Paragraph::size_type> bidi_levels;
+ // fix the cursor `cur' after a characters has been deleted at `where'
+ // position. Called by deleteEmptyParagraphMechanism
+ void fixCursorAfterDelete(LyXCursor & cur, LyXCursor const & where);
- ///
- mutable Paragraph::size_type bidi_start;
+ /// delete double space (false) or empty paragraphs (true) around old_cursor
+ bool deleteEmptyParagraphMechanism(LyXCursor const & old_cursor);
///
- mutable Paragraph::size_type bidi_end;
-
+ void setCounter(Buffer const &, ParagraphList::iterator pit);
///
- mutable bool bidi_same_direction;
-
+ void deleteWordForward();
///
- unsigned char transformChar(unsigned char c, Paragraph * par,
- Paragraph::size_type pos) const;
-
- /** returns the paragraph position of the last character in the
- specified row
- */
- Paragraph::size_type rowLast(Row const * row) const;
+ void deleteWordBackward();
///
- Paragraph::size_type rowLastPrintable(Row const * row) const;
+ void deleteLineForward();
+
+ /// sets row.end to the pos value *after* which a row should break.
+ /// for example, the pos after which isNewLine(pos) == true
+ void rowBreakPoint(ParagraphList::iterator pit, Row & row) const;
+
+ /// sets row.witdh to the minimum space a row needs on the screen in pixel
+ void fill(ParagraphList::iterator pit, Row & row, int workwidth) const;
+
+ /**
+ * returns the minimum space a manual label needs on the
+ * screen in pixels
+ */
+ int labelFill(ParagraphList::iterator pit, Row const & row) const;
+
+ /// FIXME
+ int labelEnd(ParagraphList::iterator pit) const;
///
void charInserted();
-public:
- //
- // special owner functions
- ///
- Paragraph * ownerParagraph() const;
- //
- void ownerParagraph(Paragraph *) const;
- // set it searching first for the right owner using the paragraph id
- void ownerParagraph(int id, Paragraph *) const;
+ /// set 'number' font property
+ void number();
+ /// is the cursor paragraph right-to-left?
+ bool rtl() const;
};
+/// return the default height of a row in pixels, considering font zoom
+extern int defaultRowHeight();
-/* 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 */
-inline
-Row * LyXText::getRowNearY(int & y) const
-{
- // If possible we should optimize this method. (Lgb)
- Row * tmprow = firstrow;
- int tmpy = 0;
-
- while (tmprow->next() && tmpy + tmprow->height() <= y) {
- tmpy += tmprow->height();
- tmprow = tmprow->next();
- }
-
- y = tmpy; // return the real y
- return tmprow;
-}
-#endif
+///
+std::string expandLabel(LyXTextClass const & textclass,
+ LyXLayout_ptr const & layout, bool appendix);
+
+#endif // LYXTEXT_H
projects / lyx.git / blobdiff