// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 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 "undo.h"
-#include "lyxcursor.h"
-#include "lyxparagraph.h"
+#include "bufferview_funcs.h"
+#include "Bidi.h"
#include "layout.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 Row;
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 {
+
+// The inheritance from TextCursor should go. It's just there to ease
+// transition...
+class LyXText : public TextCursor {
+ // Public Functions
public:
+ /// Constructor
+ LyXText(BufferView *, bool ininset);
///
- enum text_status {
- ///
- UNCHANGED,
- ///
- NEED_MORE_REFRESH,
- ///
- NEED_VERY_LITTLE_REFRESH
- };
-
- enum Letter_Form {
- FORM_ISOLATED,
- FORM_INITIAL,
- FORM_MEDIAL,
- FORM_FINAL
- };
+ void init(BufferView *);
- /// Constructor
- LyXText(BufferView *);
- LyXText(InsetText *);
-
- /// Destructor
- ~LyXText();
- void init(BufferView *);
+ /// update y coordinate cache of all paragraphs
+ void updateParPositions();
///
- mutable int number_of_rows;
+ LyXFont getFont(ParagraphList::iterator pit, lyx::pos_type pos) const;
///
- mutable long height;
- mutable 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 long first;
+ LyXFont getLayoutFont(ParagraphList::iterator pit) const;
///
- BufferView * bv_owner;
+ LyXFont getLabelFont(ParagraphList::iterator pit) const;
///
- InsetText * inset_owner;
+ 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);
- ///
- // void owner(BufferView *);
-
- ///
- LyXFont GetFont(Buffer const *, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
- ///
- void SetCharFont(Buffer const *, LyXParagraph * par,
- LyXParagraph::size_type pos,
- LyXFont const & font);
- /// returns a pointer to the very first LyXParagraph
- LyXParagraph * FirstParagraph() const;
-
/// 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
*/
- LyXParagraph * 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 *, LyXParagraph * 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,
- LyXParagraph const * end_par) 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 RedoParagraph(BufferView *) const;
-
+ void toggleFree(LyXFont const &, bool toggleall = false);
+
///
- void ToggleFree(BufferView *, 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);
-
- /** 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;
///
- LyXParagraph::footnote_flag GetFootnoteFlag(int row);
- ///
- Row * need_break_row;
- ///
- mutable long 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;
///
- int refresh_pos;
-
- /** wether the screen needs a refresh,
- starting with refresh_y
- */
- mutable text_status status;
-
- /** 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(long & y) const;
-
- /** returns the column near the specified x-coordinate of the row
- x is set to the real beginning of this column
- */
- int 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(LyXParagraph * par,
- LyXParagraph::size_type pos, long & y) const;
+ RowList::iterator cursorRow() 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...
+ /** 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
*/
- mutable LyXCursor cursor;
-
- /* the selection cursor */
- ///
- mutable bool selection;
- ///
- mutable bool mark_set;
+ 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(ParagraphList::iterator pit,
+ Row const & row, int & x, bool & boundary) const;
- ///
- mutable LyXCursor sel_cursor;
- ///
- LyXCursor sel_start_cursor;
- ///
- mutable LyXCursor sel_end_cursor;
- /// needed for the toggling
- LyXCursor last_sel_cursor;
- ///
- LyXCursor toggle_cursor;
- ///
- LyXCursor toggle_end_cursor;
-
/// need the selection cursor:
- void SetSelection();
- ///
- void ClearSelection() const;
+ void setSelection();
///
- string selectionAsString(Buffer const *) const;
-
+ void clearSelection();
+
+ /// select the word we need depending on word_location
+ void getWord(LyXCursor & from, LyXCursor & to, lyx::word_location const);
/// just selects the word the cursor is in
- void SelectWord(BufferView *);
+ void selectWord(lyx::word_location loc);
+ /// returns the inset at cursor (if it exists), 0 otherwise
+ InsetOld * getInset() const;
- /** '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
- */
- char * SelectNextWord(BufferView *, float & value);
- ///
- void SelectSelectedWord(BufferView *);
- ///
- void SetCursor(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type pos,
- bool setfont = true,
- bool boundary = false) const;
+ /// accept selected change
+ void acceptChange();
+
+ /// reject selected change
+ void rejectChange();
- void SetCursor(BufferView *, LyXCursor &, LyXParagraph * par,
- LyXParagraph::size_type pos,
- bool boundary = false) const;
///
- void SetCursorIntern(BufferView *, LyXParagraph * par,
- LyXParagraph::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 *, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ void setCursorIntern(lyx::paroffset_type par, lyx::pos_type pos,
+ bool setfont = true, bool boundary = false);
///
- bool IsBoundary(Buffer const *, LyXParagraph * par,
- LyXParagraph::size_type pos,
- LyXFont const & font) const;
+ void setCurrentFont();
///
- void SetCursorFromCoordinates(BufferView *, int x, long y) const;
- void SetCursorFromCoordinates(BufferView *, LyXCursor &, int x, long y) const;
+ void recUndo(lyx::paroffset_type first, lyx::paroffset_type last) const;
///
- void CursorUp(BufferView *) const;
+ void recUndo(lyx::paroffset_type first) const;
///
- void CursorDown(BufferView *) const;
+ void setCursorFromCoordinates(int x, int y);
///
- void CursorLeft(BufferView *, bool internal = true) const;
+ void setCursorFromCoordinates(LyXCursor &, int x, int y);
///
- void CursorRight(BufferView *, bool internal = true) const;
+ void cursorUp(bool selecting = false);
///
- void CursorLeftIntern(BufferView *, bool internal = true) const;
+ void cursorDown(bool selecting = false);
///
- void CursorRightIntern(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 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(lyx::word_location);
///
- bool SelectWordWhenUnderCursor(BufferView *);
-
enum TextCase {
+ ///
text_lowercase = 0,
+ ///
text_capitalization = 1,
+ ///
text_uppercase = 2
};
/// Change the case of the word at cursor position.
- void ChangeWordCase(BufferView *, TextCase action);
+ 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, long y);
-
- /* footnotes: */
- ///
- void ToggleFootnote(BufferView *);
- ///
- void OpenStuff(BufferView *);
- ///
- void OpenFootnotes();
- ///
- void OpenFootnote(BufferView *);
- ///
- void CloseFootnotes();
- ///
- void CloseFootnote(BufferView *);
-
- /** turn the selection into a new environment. If there is no
- selection, create an empty environment
- */
- void InsertFootnoteEnvironment(BufferView *,
- LyXParagraph::footnote_kind kind);
- ///
- void MeltFootnoteEnvironment(BufferView *);
- ///
- void CutSelection(BufferView *, bool = 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 InsertFootnote();
- ///
- void InsertMarginpar();
- ///
- void InsertFigure();
- ///
- void InsertTabular();
+ 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,
- LyXAlignment align,
- string labelwidthstring,
+ 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,
+ std::string const & labelwidthstring,
bool noindent);
- void SetParagraphExtraOpt(BufferView *, int type,
- char const * width,
- char const * widthp,
- int alignment, bool hfill,
- bool start_minipage);
/* these things are for search and replace */
- /** returns true if the specified string is at the specified
- position
- */
- bool IsStringInText(LyXParagraph * par,
- LyXParagraph::size_type pos,
- char const * str) const;
- /** sets the selection over the number of characters of string,
- no check!!
- */
- void SetSelectionOverString(BufferView *, char 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 *, char const * str);
-
- /** if the string can be found: return true and set the cursor to
- the new position */
- bool SearchForward(BufferView *, char const * str) const;
- bool SearchBackward(BufferView *, char const * str) const;
+ void replaceSelectionWithString(std::string const & str);
/// needed to insert the selection
- void InsertStringA(BufferView *, string const & str);
+ void insertStringAsLines(std::string const & str);
/// needed to insert the selection
- void InsertStringB(BufferView *, string const & str);
+ void insertStringAsParagraphs(std::string const & str);
- /// usefull when texing from within LyX
- bool GotoNextError(BufferView *) const;
+ /// Find next inset of some specified type.
+ bool gotoNextInset(std::vector<InsetOld::Code> const & codes,
+ std::string const & contents = std::string());
+ ///
+ void gotoInset(std::vector<InsetOld::Code> const & codes,
+ bool same_content);
+ ///
+ void gotoInset(InsetOld::Code code, bool same_content);
+
+ /// current max text width
+ int textWidth() const;
- /// just another feature :)
- bool GotoNextNote(BufferView *) const;
+ /// updates all counters
+ void updateCounters();
+ /// Returns an inset if inset was hit, or 0 if not.
+ InsetOld * checkInsetHit(int x, int y);
- /* for the greater insets */
-
- /// returns false if inset wasn't found
- bool UpdateInset(BufferView *, Inset *);
///
- void CheckParagraph(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type pos);
+ int singleWidth(ParagraphList::iterator pit, lyx::pos_type pos) const;
///
- int NumberOfCell(LyXParagraph * par,
- LyXParagraph::size_type pos) const;
- /* table stuff -- begin*/
+ int singleWidth(ParagraphList::iterator pit,
+ lyx::pos_type pos, char c, LyXFont const & Font) const;
- /** all table features of the text-class are put together in
- this function. Possible values of feature are defined in table.h
- */
- void TableFeatures(BufferView *, int feature, string const & val) const;
- ///
- void TableFeatures(BufferView *, int feature) const;
+ /// return the color of the canvas
+ LColor_color backgroundColor() const;
- /** pos points at the beginning of the next cell (if there is one)
+ /**
+ * 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 WidthOfCell(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type & pos) const;
- ///
- void CheckParagraphInTable(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type pos);
- ///
- void InsertCharInTable(BufferView *, char c);
- ///
- void BackspaceInTable(BufferView *);
- ///
- bool HitInTable(BufferView *, Row * row, int x) const;
- ///
- bool MouseHitInTable(BufferView *, int x, long y) const;
- /* table stuff -- end*/
- ///
- LyXParagraph * GetParFromID(int id);
-
- // undo functions
- /// returns false if no undo possible
- bool TextUndo(BufferView *);
- /// returns false if no redo possible
- bool TextRedo(BufferView *);
- /// used by TextUndo/TextRedo
- bool TextHandleUndo(BufferView *, Undo * undo);
- /// makes sure the next operation will be stored
- void FinishUndo();
- /// this is dangerous and for internal use only
- void FreezeUndo();
- /// this is dangerous and for internal use only
- void UnFreezeUndo();
- /// the flag used by FinishUndo();
- mutable bool undo_finished;
- /// a flag
- bool undo_frozen;
- ///
- void SetUndo(Buffer *, Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end) const;
- ///
- void SetRedo(Buffer *, Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end);
- ///
- Undo * CreateUndo(Buffer *, Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end) const;
- /// for external use in lyx_cb.C
- void SetCursorParUndo(Buffer *);
- ///
- void RemoveTableRow(LyXCursor & cursor) const;
- ///
- bool IsEmptyTableCell() const;
- ///
- void toggleAppendix(BufferView *);
- ///
- int workWidth(BufferView *) const;
- ///
- // Buffer * buffer() const;
- ///
- void ComputeBidiTables(Buffer const *, Row * row) const;
-
- /// Maps positions in the visual string to positions in logical string.
- inline
- LyXParagraph::size_type log2vis(LyXParagraph::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
- LyXParagraph::size_type vis2log(LyXParagraph::size_type pos) const {
- if (bidi_start == -1)
- return pos;
- else
- return vis2log_list[pos-bidi_start];
- }
-
- inline
- int bidi_level(LyXParagraph::size_type pos) const {
- if (bidi_start == -1)
- return 0;
- else
- return bidi_levels[pos-bidi_start];
- }
-
- inline
- bool bidi_InRange(LyXParagraph::size_type pos) const {
- return bidi_start == -1 ||
- (bidi_start <= pos && pos <= bidi_end);
- }
-private:
- ///
- void init();
- ///
- mutable Row * firstrow;
+ int leftMargin(ParagraphList::iterator pit, lyx::pos_type pos) const;
+ int leftMargin(ParagraphList::iterator pit) const;
///
- mutable Row * lastrow;
+ int rightMargin(Paragraph const & par) const;
- /** 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;
-
- /** inserts a new row behind the specified row, increments
- * the touched counters */
- void InsertRow(Row * row, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
- /** removes the row and reset the touched counters */
- void RemoveRow(Row * row) 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;
- /** remove all following rows of the paragraph of the specified row. */
- void RemoveParagraph(Row * row) const;
+ //
+ // special owner functions
+ ///
+ ParagraphList & paragraphs() const;
- /** insert the specified paragraph behind the specified row */
- void InsertParagraph(BufferView *, LyXParagraph * par, Row * row) const;
+ /// return true if this is owned by an inset.
+ bool isInInset() 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;
+ ParagraphList::iterator firstPar() const;
///
- void BreakAgainOneRow(BufferView *, Row * row);
- /// Calculate and set the height of the row
- void SetHeightOfRow(BufferView *, Row * row_ptr) 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;
- /** 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;
+ /// 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;
///
- void DeleteEmptyParagraphMechanism(BufferView *,
- LyXCursor const & old_cursor) const;
+ std::string selectionAsString(Buffer const & buffer, bool label) const;
+ ///
+ double spacing(Paragraph const &) const;
+ ///
+ void cursorLeftOneWord(LyXCursor &);
+ ///
+ void cursorRightOneWord(LyXCursor &);
- /** Updates all counters starting BEHIND the row. Changed paragraphs
- * with a dynamic left margin will be rebroken. */
- void UpdateCounters(BufferView *, Row * row) const;
///
- void SetCounter(Buffer const *, LyXParagraph * par) const;
-
- /*
- * some low level functions
- */
-
+ DispatchResult moveRight();
+ ///
+ DispatchResult moveLeft();
+ ///
+ DispatchResult moveRightIntern(bool front,
+ bool activate_inset, bool selecting);
///
- int SingleWidth(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ DispatchResult moveLeftIntern(bool front,
+ bool activate_inset, bool selecting);
///
- int SingleWidth(BufferView *, LyXParagraph * par,
- LyXParagraph::size_type pos, char c) const;
+ DispatchResult moveUp();
///
- void draw(BufferView *, Row const * row,
- LyXParagraph::size_type & pos,
- int offset, float & x);
+ DispatchResult moveDown();
+ ///
+ bool checkAndActivateInset(bool front);
- /// get the next breakpoint in a given paragraph
- LyXParagraph::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;
+ ///
+ 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);
///
- LyXParagraph::size_type
- BeginningOfMainBody(Buffer const *, LyXParagraph 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;
+ int ascent() const;
///
- int RightMargin(Buffer const *, Row const * row) const;
+ int descent() const;
///
- int LabelEnd (BufferView *, Row const * row) const;
-
- /** 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;
+ int cursorX() const;
+ ///
+ int cursorY() const;
+ ///
+ int cursorX(LyXCursor const & cursor) const;
+ ///
+ int cursorY(LyXCursor const & cursor) const;
- /** 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,
- LyXParagraph::size_type pos) 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_;
+ /// only the top-level LyXText has this non-zero
+ BufferView * bv_owner;
///
- mutable std::vector<LyXParagraph::size_type> log2vis_list;
-
+ mutable Bidi bidi;
///
- mutable std::vector<LyXParagraph::size_type> vis2log_list;
-
+ bool in_inset_;
///
- mutable std::vector<LyXParagraph::size_type> bidi_levels;
+ ParagraphList paragraphs_;
- ///
- mutable LyXParagraph::size_type bidi_start;
+ /// absolute document pixel coordinates of this LyXText
+ mutable int xo_;
+ mutable int yo_;
- ///
- mutable LyXParagraph::size_type bidi_end;
+ /// our 'outermost' Font
+ LyXFont font_;
- ///
- mutable bool bidi_same_direction;
- ///
- unsigned char TransformChar(unsigned char c, Letter_Form form) 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);
- ///
- unsigned char TransformChar(unsigned char c, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ /// Calculate and set the height of the row
+ void setHeightOfRow(ParagraphList::iterator, Row & row);
- /** returns the paragraph position of the last character in the
- specified row
- */
- LyXParagraph::size_type RowLast(Row const * row) const;
- ///
- LyXParagraph::size_type RowLastPrintable(Row const * row) const;
+ // 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 charInserted();
+ void setCounter(Buffer const &, ParagraphList::iterator pit);
///
- /// special owner functions
+ void deleteWordForward();
///
- LyXParagraph * OwnerParagraph() const;
+ void deleteWordBackward();
///
- LyXParagraph * OwnerParagraph(LyXParagraph *) 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();
+ /// 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
projects / lyx.git / blobdiff