// -*- C++ -*-
/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- *
- * Copyright (C) 1995 Matthias Ettrich
*
- *======================================================*/
-
-#ifndef _LYXTEXT_H
-#define _LYXTEXT_H
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team.
+ *
+ * ====================================================== */
-#ifdef __GNUG__
-#pragma interface
-#endif
+#ifndef LYXTEXT_H
+#define LYXTEXT_H
-#include "definitions.h"
-#include "layout.h"
#include "lyxfont.h"
-#include "lyxrow.h"
-#include "undo.h"
#include "lyxcursor.h"
+#include "layout.h"
+#include "LColor.h"
+#include "insets/inset.h"
class Buffer;
class BufferParams;
-class LyXScreen;
+class BufferView;
+class InsetText;
+class Paragraph;
+class Row;
+class Spacing;
+class UpdatableInset;
+class VSpace;
+class WordLangTuple;
+
/**
This class holds the mapping between buffer paragraphs and screen rows.
///
enum text_status {
///
- UNCHANGED,
+ UNCHANGED = 0,
///
- NEED_LITTLE_REFRESH,
+ CHANGED_IN_DRAW = 1,
///
- NEED_MORE_REFRESH,
+ NEED_VERY_LITTLE_REFRESH = 2,
///
- NEED_VERY_LITTLE_REFRESH
+ 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();
- /// points to Buffer.params
- BufferParams *parameters;
- /// points to Buffer
- Buffer *params;
+ void init(BufferView *, bool reinit = false);
///
- int number_of_rows;
+ mutable int height;
///
- long height;
+ mutable unsigned int width;
/// the current font settings
- LyXFont current_font;
+ mutable LyXFont current_font;
/// the current font
- LyXFont real_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;
+ ///
+ InsetText * inset_owner;
+ ///
+ UpdatableInset * the_locking_inset;
- /// Constructor
- LyXText(int paperwidth, Buffer *);
-
- /// Destructor
- ~LyXText();
-
///
- LyXFont GetFont(LyXParagraph* par, int pos);
+ int getRealCursorX(BufferView *) const;
+ ///
+ LyXFont const getFont(Buffer const *, Paragraph * par,
+ lyx::pos_type pos) const;
+ ///
+ LyXFont const getLayoutFont(Buffer const *, Paragraph * par) const;
///
- void SetCharFont(LyXParagraph *par, int pos, LyXFont font);
-
- /// returns a pointer to the very first LyXParagraph
- LyXParagraph *FirstParagraph();
-
+ LyXFont const getLabelFont(Buffer const *, Paragraph * par) const;
+ ///
+ void setCharFont(Buffer const *, Paragraph * par,
+ lyx::pos_type pos, LyXFont const & font);
+ void setCharFont(BufferView *, Paragraph * par,
+ lyx::pos_type pos, LyXFont const & font, bool toggleall);
+
/// what you expect when pressing <enter> at cursor position
- void BreakParagraph(char keep_layout = 0);
+ void breakParagraph(BufferView *, char keep_layout = 0);
/** set layout over selection and make a total rebreak of
those paragraphs
*/
- void SetLayout(char layout);
-
- /// used in setlayout
- void MakeFontEntriesLayoutSpecific(LyXParagraph *par);
-
- /** increment depth over selection and make a total rebreak of those
+ Paragraph * setLayout(BufferView *, LyXCursor & actual_cursor,
+ LyXCursor & selection_start,
+ LyXCursor & selection_end,
+ string const & layout);
+ ///
+ void setLayout(BufferView *, string const & layout);
+
+ /** increment depth over selection and make a total rebreak of those
paragraphs
*/
- void IncDepth();
-
- /** decrement depth over selection and make a total rebreak of those
+ void incDepth(BufferView *);
+
+ /** decrement depth over selection and make a total rebreak of those
paragraphs */
- void DecDepth();
+ void decDepth(BufferView *);
+
+ /// get the depth at current cursor position
+ int getDepth() const;
- /** Get the depth at current cursor position
- */
- int GetDepth() { return cursor.par->GetDepth(); }
-
/** set font over selection and make a total rebreak of those
paragraphs.
toggleall defaults to false.
*/
- void SetFont(LyXFont font, bool toggleall=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.
+ and the specified par. The Cursor is needed to set the refreshing
+ parameters.
This function is needed after SetLayout and SetFont etc.
*/
- void RedoParagraphs(LyXCursor cursor, LyXParagraph *end_par);
+ void redoParagraphs(BufferView *, LyXCursor const & cursor,
+ Paragraph const * end_par) const;
///
- void RedoParagraph();
-
+ void redoParagraph(BufferView *) const;
+
///
- void ToggleFree(LyXFont font,bool toggleall=false);
-
+ void toggleFree(BufferView *, LyXFont const &, bool toggleall = false);
+
+ ///
+ string getStringToIndex(BufferView *);
+
/** recalculates the heights of all previous rows of the
specified paragraph. needed, if the last characters font
- has changed.
+ has changed.
*/
- void RedoHeightOfParagraph(LyXCursor cursor);
-
- /** forces the redrawing of a paragraph. Needed when manipulating a
- right address box
- */
- void RedoDrawingOfParagraph(LyXCursor cursor);
-
- /** insert a character, moves all the following breaks in the
+ void redoHeightOfParagraph(BufferView *, LyXCursor const & cursor);
+
+ /** insert a character, moves all the following breaks in the
same Paragraph one to the right and make a little rebreak
*/
- void InsertChar(char c);
- ///
- void InsertInset(Inset *inset);
-
- /// completes the insertion with a full rebreak
- int FullRebreak();
-
- /// may be important for the menu
- char* GetLayout(int row);
+ void insertChar(BufferView *, char c);
///
- LyXParagraph::footnote_flag GetFootnoteFlag(int row);
- ///
- Row* need_break_row;
- ///
- long refresh_y;
+ void insertInset(BufferView *, Inset * inset);
+
+ /// Completes the insertion with a full rebreak
+ void fullRebreak(BufferView *);
+
///
- int refresh_height;
+ mutable Row * need_break_row;
///
- int refresh_width;
+ mutable int refresh_y;
///
- int refresh_x;
+ mutable Row * refresh_row;
+
+ /// give and set the LyXText status
+ text_status status() const;
///
- Row *refresh_row;
+ void status(BufferView *, text_status) const;
+
///
- int refresh_pos;
-
+ Inset::RESULT dispatch(FuncRequest const & cmd);
+
+private:
+ /// only the top-level LyXText has this non-zero
+ BufferView * bv_owner;
+
/** wether the screen needs a refresh,
starting with refresh_y
*/
- text_status status;
-
+ mutable text_status status_;
+
+public:
/** returns a pointer to the row near the specified y-coordinate
(relative to the whole text). y is set to the real beginning
of this row
- */
- Row* GetRowNearY(long &y);
-
- /** returns the column near the specified x-coordinate of the row
+ */
+ Row * getRowNearY(int & 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(Row *row, int& x);
-
+ */
+ 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(LyXParagraph *par, int pos, long &y);
-
- /** returns the height of a default row, needed for scrollbar
- */
- int DefaultHeight();
-
+ 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...
*/
- LyXCursor cursor;
-
- /* the selection cursor */
- ///
- bool selection;
- ///
- bool mark_set;
+ 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;
- ///
- LyXCursor sel_cursor;
- ///
- LyXCursor sel_start_cursor;
- ///
- 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 setSelection(BufferView *);
+ ///
+ void clearSelection() const;
///
- void ClearSelection();
+ string const selectionAsString(Buffer const *, bool label) const;
+ /// select the word we need depending on word_location
+ void getWord(LyXCursor & from, LyXCursor & to,
+ word_location const) const;
/// just selects the word the cursor is in
- void SelectWord();
+ void selectWord(BufferView *, word_location const);
+ /// returns the inset at cursor (if it exists), 0 otherwise
+ Inset * getInset() const;
+
+ /// accept selected change
+ void acceptChange(BufferView * bv);
- /** '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.
+ /// reject selected change
+ void rejectChange(BufferView * bv);
+
+ /** '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(float &value);
- ///
- void SelectSelectedWord();
+ */
+ WordLangTuple const selectNextWordToSpellcheck(BufferView *, float & value) const;
///
- void SetCursor(LyXParagraph *par, int pos);
+ void selectSelectedWord(BufferView *);
+ /// 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;
///
- void SetCursorIntern(LyXParagraph *par, int pos);
+ void setCursor(BufferView *, LyXCursor &, Paragraph * par,
+ lyx::pos_type pos,
+ bool boundary = false) const;
///
- void SetCursorFromCoordinates(int x, long y);
+ void setCursorIntern(BufferView *, Paragraph * par,
+ lyx::pos_type pos,
+ bool setfont = true,
+ bool boundary = false) const;
///
- void CursorUp();
+ void setCurrentFont(BufferView *) const;
+
///
- void CursorDown();
+ bool isBoundary(Buffer const *, Paragraph * par,
+ lyx::pos_type pos) const;
///
- void CursorLeft();
+ bool isBoundary(Buffer const *, Paragraph * par,
+ lyx::pos_type pos,
+ LyXFont const & font) const;
+
///
- void CursorRight();
+ void setCursorFromCoordinates(BufferView *, int x, int y) const;
///
- void CursorLeftOneWord();
+ void setCursorFromCoordinates(BufferView *, LyXCursor &,
+ int x, int y) const;
///
- void CursorRightOneWord();
+ void cursorUp(BufferView *, bool selecting = false) const;
///
- void CursorUpParagraph();
+ void cursorDown(BufferView *, bool selecting = false) const;
///
- void CursorDownParagraph();
+ void cursorLeft(BufferView *, bool internal = true) const;
///
- void CursorHome();
+ void cursorRight(BufferView *, bool internal = true) const;
///
- void CursorEnd();
+ void cursorLeftOneWord(BufferView *) const;
///
- void CursorTab();
+ void cursorRightOneWord(BufferView *) const;
///
- void CursorTop();
+ void cursorUpParagraph(BufferView *) const;
///
- void CursorBottom();
+ void cursorDownParagraph(BufferView *) const;
///
- void Delete();
+ void cursorHome(BufferView *) const;
///
- void Backspace();
+ void cursorEnd(BufferView *) const;
///
- void DeleteWordForward();
+ void cursorPrevious(BufferView * bv);
///
- void DeleteWordBackward();
+ void cursorNext(BufferView * bv);
///
- void DeleteLineForward();
+ void cursorTab(BufferView *) const;
///
- int SelectWordWhenUnderCursor();
- /// Change the case of the word at cursor position
- /** action is 0 for lower case, 1 for capitalization and 2 for
- uppercase.
- */
- void ChangeWordCase(int 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(LyXScreen &scr, int offset,
- Row *row_ptr, long y);
-
- /* footnotes: */
+ void cursorTop(BufferView *) const;
///
- void ToggleFootnote();
+ void cursorBottom(BufferView *) const;
///
- void OpenStuff();
+ void Delete(BufferView *);
///
- void OpenFootnotes();
+ void backspace(BufferView *);
///
- void OpenFootnote();
+ bool selectWordWhenUnderCursor(BufferView *,
+ word_location const);
///
- void CloseFootnotes();
+ enum TextCase {
+ ///
+ text_lowercase = 0,
+ ///
+ text_capitalization = 1,
+ ///
+ text_uppercase = 2
+ };
+ /// Change the case of the word at cursor position.
+ void changeCase(BufferView *, TextCase action);
///
- void CloseFootnote();
+ void transposeChars(BufferView &);
+
+ /** returns a printed row in a pixmap. The y value is needed to
+ decide, wether it is selected text or not. This is a strange
+ solution but faster.
+ */
+ void getVisibleRow(BufferView *, int y_offset, int x_offset,
+ Row * row_ptr, int y, bool cleared=false);
- /** turn the selection into a new environment. If there is no
- selection, create an empty environment
- */
- void InsertFootnoteEnvironment(LyXParagraph::footnote_kind kind);
///
- void MeltFootnoteEnvironment();
+ void toggleInset(BufferView *);
///
- void CutSelection(bool = true);
+ void cutSelection(BufferView *, bool doclear = true, bool realcut = true);
///
- void CopySelection();
+ void copySelection(BufferView *);
///
- void PasteSelection();
+ void pasteSelection(BufferView *);
///
void copyEnvironmentType();
///
- void pasteEnvironmentType();
- ///
- void InsertFootnote();
- ///
- void InsertMarginpar();
- ///
- void InsertFigure();
- ///
- void InsertTabular();
+ void pasteEnvironmentType(BufferView *);
/** 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
+ 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(bool line_top, bool line_bottom,
+ */
+ void setParagraph(BufferView *,
+ bool line_top, bool line_bottom,
bool pagebreak_top, bool pagebreak_bottom,
- VSpace space_top, VSpace space_bottom,
- char align,
- LString labelwidthstring,
+ VSpace const & space_top,
+ VSpace const & space_bottom,
+ Spacing const & spacing,
+ LyXAlignment align,
+ string labelwidthstring,
bool noindent);
- void SetParagraphExtraOpt(int type,
- const char *width,
- const char *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, int pos, char const* string);
-
- /** sets the selection over the number of characters of string,
- no check!!
- */
- void SetSelectionOverString(char const* string);
+ /**
+ * Sets the selection from the current cursor position to length
+ * characters to the right. No safety checks.
+ */
+ void setSelectionRange(BufferView *, lyx::pos_type length);
/** simple replacing. The font of the first selected character
is used
*/
- void ReplaceSelectionWithString(char const* string);
+ void replaceSelectionWithString(BufferView *, string const & str);
- /** if the string can be found: return true and set the cursor to
- the new position */
- bool SearchForward(char const* string);
- bool SearchBackward(char const* string);
-
/// needed to insert the selection
- void InsertStringA(char* string);
+ void insertStringAsLines(BufferView *, string const & str);
/// needed to insert the selection
- void InsertStringB(char* string);
-
- /// usefull when texing from within LyX
- bool GotoNextError();
-
- /// just another feature :)
- bool GotoNextNote();
-
- /** needed to switch between different classes this works
- for a list of paragraphs beginning with the specified par
- return value is the number of wrong conversions
- */
- int SwitchLayoutsBetweenClasses(char class1, char class2, LyXParagraph *par);
-
- /* for the greater insets */
-
- /// returns 0 if inset wasn't found
- int UpdateInset(Inset* inset);
- ///
- void CheckParagraph(LyXParagraph* par, int pos);
-
- /* table stuff -- begin*/
+ void insertStringAsParagraphs(BufferView *, string const & str);
- /** all table features of the text-class are put together in
- this function. Possible values of feature are defined in table.h
- */
- void TableFeatures(int feature,LString val);
- ///
- void TableFeatures(int feature);
- ///
- int NumberOfCell(LyXParagraph *par, int pos);
-
- /** pos points at the beginning of the next cell (if there is one)
- */
- int WidthOfCell(LyXParagraph *par, int &pos);
- ///
- void InsertCharInTable(char c);
- ///
- void BackspaceInTable();
+ /// Find next inset of some specified type.
+ bool gotoNextInset(BufferView *, std::vector<Inset::Code> const & codes,
+ string const & contents = string()) const;
///
- void CheckParagraphInTable(LyXParagraph* par, int pos);
+ void gotoInset(BufferView * bv, std::vector<Inset::Code> const & codes,
+ bool same_content);
///
- char HitInTable(Row* row, int x);
+ void gotoInset(BufferView * bv, Inset::Code code, bool same_content);
///
- bool MouseHitInTable(int x, long y);
- /* table stuff -- end*/
- ///
- LyXParagraph* GetParFromID(int id);
- // undo functions
- /// returns false if no undo possible
- bool TextUndo();
- /// returns false if no redo possible
- bool TextRedo();
- /// used by TextUndo/TextRedo
- bool TextHandleUndo(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();
- bool undo_finished;
- /// a flag
- bool undo_frozen;
- ///
- void SetUndo(Undo::undo_kind kind, LyXParagraph *before, LyXParagraph *end);
- ///
- void SetRedo(Undo::undo_kind kind, LyXParagraph *before, LyXParagraph *end);
+ /* for the greater insets */
+
+ /// returns false if inset wasn't found
+ bool updateInset(BufferView *, Inset *);
+ ///
+ void checkParagraph(BufferView *, Paragraph * par, lyx::pos_type pos);
+ ///
+ int workWidth(BufferView *) const;
+ ///
+ int workWidth(BufferView *, Inset * inset) const;
+ ///
+ void computeBidiTables(Buffer const *, Row * row) 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];
+ }
+
+ /// 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];
+ }
+ ///
+ inline
+ bool bidi_InRange(lyx::pos_type pos) const {
+ return bidi_start == -1 ||
+ (bidi_start <= pos && pos <= bidi_end);
+ }
+private:
///
- Undo *CreateUndo(Undo::undo_kind kind, LyXParagraph *before, LyXParagraph *end);
- /// for external use in lyx_cb.C
- void SetCursorParUndo();
+ mutable Row * firstrow;
///
- void CursorLeftIntern();
+ mutable Row * lastrow;
+
///
- void CursorRightIntern();
- ///
- void RemoveTableRow(LyXCursor *cursor);
- ///
- bool IsEmptyTableRow(LyXCursor *cursor);
- ///
- bool IsEmptyTableCell();
- ///
- void toggleAppendix();
+ void cursorLeftOneWord(LyXCursor &) const;
-private:
///
- Row* firstrow;
+ float getCursorX(BufferView *, Row *, lyx::pos_type pos,
+ lyx::pos_type last, bool boundary) const;
///
- Row* lastrow;
+ void changeRegionCase(BufferView * bv,
+ LyXCursor const & from,
+ LyXCursor const & to,
+ LyXText::TextCase action);
+ /// used in setlayout
+ void makeFontEntriesLayoutSpecific(Buffer const *, Paragraph * par);
- /** Copybuffer for copy environment type
+ /** 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
*/
- char copylayouttype;
-
- /// the currentrow is needed to access rows faster*/
- Row* currentrow; /* pointer to the current row */
- /// position in the text
- long currentrow_y;
- /// width of the paper
- unsigned short paperwidth;
-
- /** inserts a new row behind the specified row, increments
- * the touched counters */
- void InsertRow(Row *row, LyXParagraph *par, int pos );
+ string copylayouttype;
- /** removes the row and reset the touched counters */
- void RemoveRow(Row *row);
+ /** 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);
+ /// 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(LyXParagraph *par, Row *row);
+ /// 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(Row *row);
-
- ///
- void BreakAgain(Row *row);
+ void appendParagraph(BufferView *, Row * row) const;
+
///
- void BreakAgainOneRow(Row *row);
+ void breakAgain(BufferView *, Row * row) const;
///
- void SetHeightOfRow(Row *row_ptr); /* calculate and set the height
- * of the row */
+ 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(Row *row, float &x, float &fill_separator,
- float &fill_hfill, float &fill_label_hfill);
- ///
- void DeleteEmptyParagraphMechanism(LyXCursor old_cursor);
+ * 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 change bar
+ void paintChangeBar(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;
+
+public:
/** Updates all counters starting BEHIND the row. Changed paragraphs
- * with a dynamic left margin will be rebroken. */
- void UpdateCounters(Row *row);
+ * 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;
+
+private:
+ ///
+ void setCounter(Buffer const *, Paragraph * par) const;
+ ///
+ void deleteWordForward(BufferView *);
///
- void SetCounter(LyXParagraph *par);
-
+ void deleteWordBackward(BufferView *);
+ ///
+ void deleteLineForward(BufferView *);
+
/*
* some low level functions
*/
-
- ///
- int SingleWidth(LyXParagraph *par, int pos);
+
///
- int SingleWidth(LyXParagraph *par, int pos, char c);
+ int singleWidth(BufferView *, Paragraph * par,
+ lyx::pos_type pos) const;
///
- void Draw(Row *row, int &pos, LyXScreen &scr, int offset, float &x);
+ 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);
+
/// get the next breakpoint in a given paragraph
- int NextBreakPoint(Row* row, int width);
+ 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(Row *row, int paperwidth);
-
+ int fill(BufferView *, Row * row, int workwidth) const;
+
/** returns the minimum space a manual label needs on the
- screen in pixel */
- int LabelFill(Row *row);
-
- ///
- int BeginningOfMainBody(LyXParagraph *par);
-
- /** 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(Row *row);
+ screen in pixel */
+ int labelFill(BufferView *, Row const * row) const;
+
+ /**
+ * Returns the left beginning of the text.
+ * This information cannot be taken from the layout object, because
+ * in LaTeX the beginning of the text fits in some cases
+ * (for example sections) exactly the label-width.
+ */
+ int leftMargin(BufferView *, Row const * row) const;
+ ///
+ int rightMargin(Buffer const *, Row const * row) const;
///
- int RightMargin(Row *row);
+ int labelEnd (BufferView *, Row const * row) const;
+
///
- int LabelEnd (Row *row);
+ LColor::color backgroundColor();
- /** returns the number of separators in the specified row.
- The separator on the very last column doesnt count
- */
- int NumberOfSeparators(Row *row);
- /** 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(Row *row);
-
- /// like NumberOfHfills, but only those in the manual label!
- int NumberOfLabelHfills(Row *row);
-
- /** returns true, if a expansion is needed. Rules are given by
- LaTeX
- */
- bool HfillExpansion(Row *row_ptr, int pos);
-
- /** returns the paragraph position of the last character in the
- specified row
- */
- int RowLast(Row *row);
+ ///
+ mutable std::vector<lyx::pos_type> log2vis_list;
+
+ ///
+ mutable std::vector<lyx::pos_type> vis2log_list;
+
+ ///
+ mutable std::vector<lyx::pos_type> bidi_levels;
+
+ ///
+ mutable lyx::pos_type bidi_start;
+
+ ///
+ mutable lyx::pos_type bidi_end;
+
+ ///
+ mutable bool bidi_same_direction;
+
+ ///
+ unsigned char transformChar(unsigned char c, Paragraph * par,
+ lyx::pos_type pos) 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;
};
-#endif
+/// return the default height of a row in pixels, considering font zoom
+extern int defaultRowHeight();
+
+#endif // LYXTEXT_H