X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxtext.h;h=7e44bfb02ce1c21cc425cecbb0a62628554ba846;hb=80296aac5015662a4c23ee7a818d5fde34f363bd;hp=e3da0556bc501a4fe67d7a720636ee653c4032b5;hpb=271b807e8bb524834b4c7663b8a89ed789ba6606;p=lyx.git diff --git a/src/lyxtext.h b/src/lyxtext.h index e3da0556bc..949566c3e0 100644 --- a/src/lyxtext.h +++ b/src/lyxtext.h @@ -1,133 +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 -#ifdef __GNUG__ -#pragma interface -#endif - -#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; /** - 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 *); - /// 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; - /// first visible pixel-row is set from LyXScreen!!! - // unsigned is wrong here for text-insets! - int first_y; - /// - BufferView * bv_owner; + LyXText(BufferView *, bool ininset); /// - InsetText * inset_owner; - /// - 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); /// what you expect when pressing 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, - 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; @@ -136,226 +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 *, LyXCursor const & cursor); + /// + 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; - /// - mutable int refresh_y; - /// - mutable Row * refresh_row; + /// try to handle that request + DispatchResult dispatch(FuncRequest const & cmd); - /// give and set the LyXText status - text_status status() const; - /// - void status(BufferView *, text_status) const; + BufferView * bv(); - /// - Inset::RESULT dispatch(FuncRequest const & cmd); + BufferView * bv() const; -private: - /** wether the screen needs a refresh, - starting with refresh_y - */ - mutable text_status status_; + friend class LyXScreen; -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 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; + + /** 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; } - - /** 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; - // 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(); + + /// 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 - */ - 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 { /// @@ -366,386 +248,256 @@ 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 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 toggleInset(BufferView *); - /// - void cutSelection(BufferView *, bool doclear = true, bool realcut = true); + /// returns success + bool toggleInset(); /// - void copySelection(BufferView *); + void cutSelection(bool doclear = true, bool realcut = true); /// - void pasteSelection(BufferView *); + void copySelection(); /// - 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 */ - /** 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 const & codes, - string const & contents = string()) const; + bool gotoNextInset(std::vector const & codes, + std::string const & contents = std::string()); + /// + void gotoInset(std::vector const & codes, + bool same_content); /// - void gotoInset(BufferView * bv, std::vector const & codes, - 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); + /// - void gotoInset(BufferView * bv, Inset::Code code, bool same_content); + 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; - /* for the greater insets */ + /// return the color of the canvas + LColor_color backgroundColor() const; - /// returns false if inset wasn't found - bool updateInset(BufferView *, Inset *); + /** + * 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; + + /** this calculates the specified parameters. needed when setting + * the cursor and when creating a visible row */ + void prepareToPrint(ParagraphList::iterator pit, Row & row) const; + + // + // 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; + DispatchResult moveLeft(); /// - void changeRegionCase(BufferView * bv, - LyXCursor const & from, - LyXCursor const & to, - LyXText::TextCase action); - /// 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 moveRightIntern(bool front, + bool activate_inset, bool selecting); /// - void breakAgain(BufferView *, Row * row) const; + DispatchResult moveLeftIntern(bool front, + bool activate_inset, bool selecting); /// - void breakAgainOneRow(BufferView *, Row * row); - /// Calculate and set the height of the row - void setHeightOfRow(BufferView *, Row * row_ptr) 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; - - /// A struct used for drawing routines - struct DrawRowParams { - // the bufferview - BufferView * bv; - // the row - Row * row; - // the painter to use - Painter * pain; - // has the background been cleared - bool cleared; - /// x offset (e.g. for insets) - int xo; - /// y offset (e.g. for insets) - int yo; - /// FIXME - float x; - /// FIXME - int y; - /// the inset/view full width - int width; - /// hfill size - float hfill; - /// label hfill size - float label_hfill; - /// fill separator size - float separator; - }; - - /// paint the background - bool paintRowBackground(DrawRowParams & p); - - /// paint the selection background - void paintRowSelection(DrawRowParams & p); - - /// paint appendix marker - void paintRowAppendix(DrawRowParams & p); - - /// paint page break marker. Returns its height. - int paintPageBreak(string const & label, int y, DrawRowParams & p); - - /// paint env depth bar - void paintRowDepthBar(DrawRowParams & p); - - /// get the on-screen size of the length marker - int getLengthMarkerHeight(BufferView * bv, VSpace const & vsp) const; - - /// paint an added space marker - int drawLengthMarker(DrawRowParams & p, string const & str, - VSpace const & vsp, int start); - - /// paint a first row in a paragraph - void paintFirstRow(DrawRowParams & p); - - /// paint a last row in a paragraph - void paintLastRow(DrawRowParams & p); - - /// paint text - void paintRowText(DrawRowParams & p); - - // 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; - - /// delete double space (false) or empty paragraphs (true) around old_cursor - bool deleteEmptyParagraphMechanism(BufferView *, - LyXCursor const & old_cursor) const; + DispatchResult moveUp(); + /// + DispatchResult moveDown(); + /// + bool checkAndActivateInset(bool front); -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; + 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); -private: /// - void setCounter(Buffer const *, Paragraph * par) const; + int ascent() const; /// - void deleteWordForward(BufferView *); + int descent() const; /// - void deleteWordBackward(BufferView *); + int cursorX() const; /// - void deleteLineForward(BufferView *); - - /* - * some low level functions - */ - + int cursorY() const; /// - int singleWidth(BufferView *, Paragraph * par, - lyx::pos_type pos) const; + int cursorX(LyXCursor const & cursor) const; /// - int singleWidth(BufferView *, Paragraph * par, - lyx::pos_type pos, char c) const; - - - /// draw normal chars - void drawChars(DrawRowParams & p, lyx::pos_type & vpos, - bool hebrew, bool arabic); - /// draw from arabic composed char - void drawArabicComposeChar(DrawRowParams & p, lyx::pos_type & vpos); - /// draw from hebrew composed char - void drawHebrewComposeChar(DrawRowParams & p, lyx::pos_type & vpos); - /// draw a mark for foreign language, starting from orig_x - void drawForeignMark(DrawRowParams & p, float const orig_x, LyXFont const & orig_font); - /// draw an inset - bool drawInset(DrawRowParams & p, lyx::pos_type const pos); - /// draw new line marker - void drawNewline(DrawRowParams & p, lyx::pos_type const pos); - /// draw text - bool draw(DrawRowParams & p, lyx::pos_type & vpos); + int cursorY(LyXCursor const & cursor) const; - /// get the next breakpoint in a given paragraph - lyx::pos_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; +public: + /// + int height; + /// + unsigned int width; + /// + 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 background_color_; - /** 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; /// - lyx::pos_type beginningOfMainBody(Buffer const *, Paragraph const * par) 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(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; + /// our 'outermost' Font + LyXFont font_; - /// 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, - lyx::pos_type pos) const; - /// - LColor::color backgroundColor(); +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 log2vis_list; + /// Calculate and set the height of the row + void setHeightOfRow(ParagraphList::iterator, Row & row); - /// - mutable std::vector vis2log_list; + // fix the cursor `cur' after a characters has been deleted at `where' + // position. Called by deleteEmptyParagraphMechanism + void fixCursorAfterDelete(LyXCursor & cur, LyXCursor const & where); - /// - mutable std::vector bidi_levels; + /// delete double space (false) or empty paragraphs (true) around old_cursor + bool deleteEmptyParagraphMechanism(LyXCursor const & old_cursor); /// - mutable lyx::pos_type bidi_start; - + void setCounter(Buffer const &, ParagraphList::iterator pit); /// - mutable lyx::pos_type bidi_end; - + void deleteWordForward(); /// - mutable bool bidi_same_direction; - + void deleteWordBackward(); /// - unsigned char transformChar(unsigned char c, Paragraph * par, - lyx::pos_type pos) const; + void deleteLineForward(); - /** returns the paragraph position of the last character in the - specified row - */ - lyx::pos_type rowLast(Row const * row) const; - /// - lyx::pos_type rowLastPrintable(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; + + /// 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; }; -#endif +/// 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