X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxtext.h;h=7e44bfb02ce1c21cc425cecbb0a62628554ba846;hb=80296aac5015662a4c23ee7a818d5fde34f363bd;hp=8efa06d90b42e94486531f24ebca146f4f1eb4b8;hpb=3b9620ae6ddbda098402d3169b465f529455217e;p=lyx.git diff --git a/src/lyxtext.h b/src/lyxtext.h index 8efa06d90b..949566c3e0 100644 --- a/src/lyxtext.h +++ b/src/lyxtext.h @@ -1,148 +1,97 @@ // -*- C++ -*- -/* This file is part of - * ====================================================== - * - * LyX, The Document Processor +/** + * \file lyxtext.h + * This file is part of LyX, the document processor. + * Licence details can be found in the file COPYING. * - * Copyright 1995 Matthias Ettrich - * Copyright 1995-2001 The LyX Team. + * \author unknown + * \author Lars Gullik Bjønnes + * \author John Levon * - * ====================================================== */ + * Full author contact details are available in file CREDITS. + */ #ifndef LYXTEXT_H #define LYXTEXT_H -#include "lyxfont.h" -#include "lyxcursor.h" +#include "bufferview_funcs.h" +#include "Bidi.h" #include "layout.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 + 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; -class WordLangTuple; -class ParagraphList; /** - 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: - /// what repainting is needed - enum text_status { - /// no repaint is needed - UNCHANGED = 0, - /** - * A paint has caused a change in some rows - * and rebreaking is needed. - */ - CHANGED_IN_DRAW = 1, - /// the refresh_row needs repainting - NEED_VERY_LITTLE_REFRESH = 2, - /// everything from refresh_y downwards needs repainting - 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 - }; - /// Constructor - LyXText(BufferView *); - /// sets inset as owner - LyXText(InsetText *); - - /// Destructor - ~LyXText(); - - void init(BufferView *, bool reinit = false); - /// - mutable int height; - /// - mutable unsigned int width; - /// the current font settings - mutable LyXFont current_font; - /// the current font - mutable LyXFont real_current_font; -private: - /** the first visible row on screen - * declared mutable because removeRow is const - */ - mutable Row * top_row_; - /** the pixel offset with respect to this row of top_y - * declared mutable because removeRow is const - */ - mutable int top_row_offset_; +// The inheritance from TextCursor should go. It's just there to ease +// transition... +class LyXText : public TextCursor { + // Public Functions public: - /// get the y coord. of the top of the screen (relative to doc start) - int top_y() const; - /// set it - void top_y(int newy); - /// - InsetText * inset_owner; + /// Constructor + LyXText(BufferView *, bool ininset); /// - UpdatableInset * the_locking_inset; + void init(BufferView *); + + /// update y coordinate cache of all paragraphs + void updateParPositions(); /// - int getRealCursorX(BufferView *) const; - /// - LyXFont const getFont(Buffer const *, Paragraph * par, - lyx::pos_type pos) const; + LyXFont getFont(ParagraphList::iterator pit, lyx::pos_type pos) const; /// - LyXFont const getLayoutFont(Buffer const *, Paragraph * par) const; + LyXFont getLayoutFont(ParagraphList::iterator pit) const; /// - LyXFont const getLabelFont(Buffer const *, Paragraph * par) const; + LyXFont getLabelFont(ParagraphList::iterator pit) const; /// - void setCharFont(Buffer const *, Paragraph * par, + void setCharFont(ParagraphList::iterator pit, lyx::pos_type pos, LyXFont const & font); - void setCharFont(BufferView *, Paragraph * par, - lyx::pos_type pos, LyXFont const & font, bool toggleall); + void setCharFont(ParagraphList::iterator pit, + lyx::pos_type pos, + LyXFont const & font, bool toggleall); - /// return true if the row changed - void markChangeInDraw(BufferView * bv, Row * row, Row * next); - /// - void breakAgainOneRow(BufferView *, Row * row); /// what you expect when pressing at cursor position - void breakParagraph(BufferView *, - ParagraphList & paragraphs, 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, - string const & layout); + ParagraphList::iterator + setLayout(ParagraphList::iterator start, + ParagraphList::iterator end, + std::string const & layout); /// - void setLayout(BufferView *, string const & layout); + void setLayout(std::string const & layout); - /** increment depth over selection and make a total rebreak of those - paragraphs - */ - void incDepth(BufferView *); + /// Increase or decrease the nesting depth of the selected paragraph(s) + void changeDepth(bv_funcs::DEPTH_CHANGE type); - /** decrement depth over selection and make a total rebreak of those - paragraphs */ - void decDepth(BufferView *); + /// 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; @@ -151,259 +100,144 @@ public: paragraphs. toggleall defaults to false. */ - void setFont(BufferView *, LyXFont const &, bool toggleall = false); + 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(BufferView *, LyXCursor const & cursor, - Paragraph const * end_par) const; - /// - void redoParagraph(BufferView *) const; + /// rebreaks all paragaphs between the given pars. + void redoParagraphs(ParagraphList::iterator begin, + ParagraphList::iterator end); + /// rebreaks the given par + void redoParagraph(ParagraphList::iterator pit); - /// - void toggleFree(BufferView *, LyXFont const &, bool toggleall = false); + /// rebreaks the cursor par + void redoParagraph(); /// - string getStringToIndex(BufferView *); + void toggleFree(LyXFont const &, bool toggleall = false); - /** recalculates the heights of all previous rows of the - specified paragraph. needed, if the last characters font - has changed. - */ - void redoHeightOfParagraph(BufferView *); + /// + 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); + void insertInset(InsetOld * inset); - /// Completes the insertion with a full rebreak - void fullRebreak(BufferView *); + /// 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; - /// - mutable Row * need_break_row; + /// try to handle that request + DispatchResult dispatch(FuncRequest const & cmd); - /// clear any pending paints - void clearPaint(); + BufferView * bv(); - /// post notice that we changed during a draw - void postChangedInDraw(); - - /** - * Mark position y as the starting point for a repaint - */ - void postPaint(BufferView & bv, int start_y); - - /** - * Mark the given row at position y as needing a repaint. - */ - void postRowPaint(BufferView & bv, Row * row, int start_y); - - /// - Inset::RESULT dispatch(FuncRequest const & cmd); + BufferView * bv() const; friend class LyXScreen; - /** - * Return the status. This represents what repaints are - * pending after some operation (e.g. inserting a char). - */ - text_status status() const; - -private: - /** - * The pixel y position from which to repaint the screen. - * The position is absolute along the height of outermost - * lyxtext (I think). NEED_MORE_REFRESH and NEED_LITTLE_REFRESH - * repaints both use this as a starting point (if it's within - * the viewable portion of the lyxtext). - */ - int refresh_y; - /** - * The row from which to repaint the screen, used by screen.c. - * This must be set if the pending update is NEED_LITTLE_REFRESH. - * It doesn't make any difference for NEED_MORE_REFRESH. - */ - mutable Row * refresh_row; - - /// refresh status - text_status status_; - - /// only the top-level LyXText has this non-zero - BufferView * bv_owner; + /// returns an iterator pointing to a cursor paragraph + ParagraphList::iterator getPar(LyXCursor const & cursor) const; + /// + ParagraphList::iterator getPar(lyx::paroffset_type par) const; + /// + int parOffset(ParagraphList::iterator pit) const; + /// convenience + ParagraphList::iterator cursorPar() const; + /// + RowList::iterator cursorRow() const; -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 + /** 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 */ - Row * 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(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, lyx::pos_type pos, int & y) const; - /** returns the firstrow, this could be done with the above too but - IMO it's stupid to have to allocate a dummy y all the time I need - the first row - */ - Row * firstRow() { return firstrow; } - - /** 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; - // this is used to handle XSelection events in the right manner - mutable Selection xsel_cache; - - /// 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; + lyx::pos_type getColumnNearX(ParagraphList::iterator pit, + Row const & row, int & x, bool & boundary) const; /// 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(BufferView * bv); + void acceptChange(); /// reject selected change - void rejectChange(BufferView * bv); + 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 - */ - WordLangTuple const selectNextWordToSpellcheck(BufferView *, float & value) const; /// - void selectSelectedWord(BufferView *); + void setCursor(ParagraphList::iterator pit, lyx::pos_type pos); /// returns true if par was empty and was removed - bool setCursor(BufferView *, Paragraph * par, - lyx::pos_type pos, - bool setfont = true, - bool boundary = false) const; + bool setCursor(lyx::paroffset_type par, lyx::pos_type pos, + bool setfont = true, bool boundary = false); /// - void setCursor(BufferView *, LyXCursor &, Paragraph * par, - lyx::pos_type pos, - bool boundary = false) const; + void setCursor(LyXCursor &, lyx::paroffset_type par, + lyx::pos_type pos, bool boundary = false); /// - void setCursorIntern(BufferView *, Paragraph * par, - lyx::pos_type pos, - bool setfont = true, - bool boundary = false) const; + void setCursorIntern(lyx::paroffset_type par, lyx::pos_type pos, + bool setfont = true, bool boundary = false); /// - void setCurrentFont(BufferView *) const; + void setCurrentFont(); /// - bool isBoundary(Buffer const *, Paragraph * par, - lyx::pos_type pos) const; - /// - bool isBoundary(Buffer const *, Paragraph * par, - lyx::pos_type pos, - LyXFont const & font) const; - + void recUndo(lyx::paroffset_type first, lyx::paroffset_type last) const; /// - void setCursorFromCoordinates(BufferView *, int x, int y) const; + void recUndo(lyx::paroffset_type first) const; /// - void setCursorFromCoordinates(BufferView *, LyXCursor &, - int x, int y) const; + void setCursorFromCoordinates(int x, int y); /// - void cursorUp(BufferView *, bool selecting = false) const; + void setCursorFromCoordinates(LyXCursor &, int x, int y); /// - void cursorDown(BufferView *, bool selecting = false) const; + void cursorUp(bool selecting = false); /// - void cursorLeft(BufferView *, bool internal = true) const; + void cursorDown(bool selecting = false); /// - void cursorRight(BufferView *, bool internal = true) const; + bool cursorLeft(bool internal = true); /// - void cursorLeftOneWord(BufferView *) 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 cursorPrevious(BufferView * bv); + void cursorEnd(); /// - void cursorNext(BufferView * bv); + void cursorPrevious(); /// - void cursorTab(BufferView *) const; + void cursorNext(); /// - void cursorTop(BufferView *) const; + void cursorTop(); /// - void cursorBottom(BufferView *) const; + void cursorBottom(); /// - void Delete(BufferView *); + void Delete(); /// - void backspace(BufferView *); + void backspace(); /// - bool selectWordWhenUnderCursor(BufferView *, - word_location const); + bool selectWordWhenUnderCursor(lyx::word_location); /// enum TextCase { /// @@ -414,37 +248,26 @@ public: text_uppercase = 2 }; /// Change the case of the word at cursor position. - void changeCase(BufferView &, TextCase action); - /// - void transposeChars(BufferView &); + void changeCase(TextCase action); + /// returns success + bool toggleInset(); /// - void toggleInset(BufferView *); - /// - 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! ) + settings are given to the new one. */ - void setParagraph(BufferView *, - bool line_top, bool line_bottom, - bool pagebreak_top, bool pagebreak_bottom, - VSpace const & space_top, - VSpace const & space_bottom, + void setParagraph( Spacing const & spacing, LyXAlignment align, - string labelwidthstring, + std::string const & labelwidthstring, bool noindent); /* these things are for search and replace */ @@ -453,243 +276,228 @@ public: * Sets the selection from the current cursor position to length * characters to the right. No safety checks. */ - void setSelectionRange(BufferView *, lyx::pos_type length); + 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 const & codes, - string const & contents = string()) const; + bool gotoNextInset(std::vector const & codes, + std::string const & contents = std::string()); /// - void gotoInset(BufferView * bv, std::vector const & codes, - bool same_content); + void gotoInset(std::vector const & codes, + bool same_content); /// - void gotoInset(BufferView * bv, Inset::Code code, bool same_content); + void gotoInset(InsetOld::Code code, bool same_content); + + /// current max text width + int textWidth() const; + + /// updates all counters + void updateCounters(); + /// Returns an inset if inset was hit, or 0 if not. + InsetOld * checkInsetHit(int x, int y); + + /// + 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; + + /// return the color of the canvas + LColor_color backgroundColor() 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; /// + int rightMargin(Paragraph const & par) const; - /* for the greater insets */ + /** this calculates the specified parameters. needed when setting + * the cursor and when creating a visible row */ + void prepareToPrint(ParagraphList::iterator pit, Row & row) const; - /// returns false if inset wasn't found - bool updateInset(BufferView *, Inset *); + // + // special owner functions /// - void checkParagraph(BufferView *, Paragraph * par, lyx::pos_type pos); + ParagraphList & paragraphs() const; + + /// return true if this is owned by an inset. + bool isInInset() const; + /// - int workWidth(BufferView &) const; + ParagraphList::iterator firstPar() const; /// - int workWidth(BufferView &, Inset * inset) const; + ParagraphList::iterator lastPar() const; /// - void computeBidiTables(Buffer const *, Row * row) 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; - /// Maps positions in the visual string to positions in logical string. - inline - lyx::pos_type log2vis(lyx::pos_type pos) const { - if (bidi_start == -1) - return pos; - else - return log2vis_list[pos-bidi_start]; - } + /// 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; - /// Maps positions in the logical string to positions in visual string. - inline - lyx::pos_type vis2log(lyx::pos_type pos) const { - if (bidi_start == -1) - return pos; - else - return vis2log_list[pos-bidi_start]; - } /// - inline - lyx::pos_type bidi_level(lyx::pos_type pos) const { - if (bidi_start == -1) - return 0; - else - return bidi_levels[pos-bidi_start]; - } + std::string selectionAsString(Buffer const & buffer, bool label) const; /// - inline - bool bidi_InRange(lyx::pos_type pos) const { - return bidi_start == -1 || - (bidi_start <= pos && pos <= bidi_end); - } -private: + double spacing(Paragraph const &) const; /// - mutable Row * firstrow; + void cursorLeftOneWord(LyXCursor &); /// - mutable Row * lastrow; + void cursorRightOneWord(LyXCursor &); /// - void cursorLeftOneWord(LyXCursor &) const; - + DispatchResult moveRight(); /// - float getCursorX(BufferView *, Row *, 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(BufferView *, LyXCursor const & cursor); - - /** 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 - */ - string copylayouttype; - - /** inserts a new row behind the specified row, increments - the touched counters */ - void insertRow(Row * row, Paragraph * par, lyx::pos_type pos) const; - /// removes the row and reset the touched counters - void removeRow(Row * row) const; - - /// remove all following rows of the paragraph of the specified row. - void removeParagraph(Row * row) const; - - /// insert the specified paragraph behind the specified row - void insertParagraph(BufferView *, - Paragraph * par, Row * row) const; - - /** appends the implizit specified paragraph behind the specified row, - * start at the implizit given position */ - void appendParagraph(BufferView *, Row * row) const; - + DispatchResult moveLeft(); /// - void breakAgain(BufferView *, Row * row) const; - /// Calculate and set the height of the row - void setHeightOfRow(BufferView *, Row * row_ptr) const; + 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); - // fix the cursor `cur' after a characters has been deleted at `where' - // position. Called by deleteEmptyParagraphMechanism - void fixCursorAfterDelete(BufferView * bv, - LyXCursor & cur, - LyXCursor const & where) const; + /// + 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); - /// delete double space (false) or empty paragraphs (true) around old_cursor - bool deleteEmptyParagraphMechanism(BufferView *, - LyXCursor const & old_cursor) const; + /// + int ascent() const; + /// + int descent() 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 *) const; /// - void update(BufferView * bv, bool changed = true); - /** - * Returns an inset if inset was hit, or 0 if not. - * If hit, the coordinates are changed relative to the inset. - */ - Inset * checkInsetHit(BufferView * bv, int & x, int & y) const; - + int height; + /// + unsigned int width; /// - int singleWidth(BufferView *, Paragraph * par, - lyx::pos_type pos) 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_; /// - int singleWidth(BufferView *, Paragraph * par, - lyx::pos_type pos, char c) const; + int background_color_; - /// return the color of the canvas - LColor::color backgroundColor() const; + /// only the top-level LyXText has this non-zero + BufferView * bv_owner; /// - mutable bool bidi_same_direction; + mutable Bidi bidi; + /// + bool in_inset_; + /// + ParagraphList paragraphs_; - unsigned char transformChar(unsigned char c, Paragraph * par, - lyx::pos_type pos) const; + /// absolute document pixel coordinates of this LyXText + mutable int xo_; + mutable int yo_; - /** - * 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(BufferView *, Row const * row) const; - /// - int rightMargin(Buffer const &, Row const & row) const; + /// our 'outermost' Font + LyXFont font_; - /** 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; 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); + + /// Calculate and set the height of the row + void setHeightOfRow(ParagraphList::iterator, Row & row); + + // 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); + /// - void setCounter(Buffer const *, Paragraph * par) const; + void setCounter(Buffer const &, ParagraphList::iterator pit); /// - void deleteWordForward(BufferView *); + void deleteWordForward(); /// - void deleteWordBackward(BufferView *); + void deleteWordBackward(); /// - void deleteLineForward(BufferView *); - - /* - * some low level functions - */ - + void deleteLineForward(); - /// return the pos value *before* which a row should break. - /// for example, the pos at which IsNewLine(pos) == true - lyx::pos_type rowBreakPoint(BufferView &, 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 + void rowBreakPoint(ParagraphList::iterator pit, Row & row) const; - /// returns the minimum space a row needs on the screen in pixel - int fill(BufferView &, Row & row, int workwidth) 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(BufferView &, Row const & row) const; + int labelFill(ParagraphList::iterator pit, Row const & row) const; /// FIXME - int labelEnd(BufferView &, Row const & row) const; - - /// - mutable std::vector log2vis_list; - - /// - mutable std::vector vis2log_list; - - /// - mutable std::vector bidi_levels; - - /// - mutable lyx::pos_type bidi_start; - - /// - mutable lyx::pos_type bidi_end; + 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; - - /// return true if this is the outer-most lyxtext - bool isTopLevel() const; - - /// return true if this is owned by an inset. FIXME: why the difference - /// with isTopLevel() ?? - bool isInInset() 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(); +/// +std::string expandLabel(LyXTextClass const & textclass, + LyXLayout_ptr const & layout, bool appendix); + #endif // LYXTEXT_H