// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
+/**
+ * \file lyxtext.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author unknown
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
*
- * ====================================================== */
+ * Full author contact details are available in file CREDITS
+ */
#ifndef LYXTEXT_H
#define LYXTEXT_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
#include "lyxfont.h"
#include "lyxcursor.h"
-#include "paragraph.h"
#include "layout.h"
-#include "lyxrow.h"
-#include "vspace.h"
+#include "LColor.h"
+#include "insets/inset.h"
+#include "RowList.h"
+#include "bufferview_funcs.h"
class Buffer;
class BufferParams;
class BufferView;
class InsetText;
+class Paragraph;
+class Row;
+class Spacing;
+class UpdatableInset;
+class VSpace;
+class WordLangTuple;
+class ParagraphList;
/**
*/
class LyXText {
public:
- ///
- enum text_status {
- ///
- UNCHANGED = 0,
- ///
- CHANGED_IN_DRAW = 1,
- ///
- NEED_VERY_LITTLE_REFRESH = 2,
- ///
- NEED_MORE_REFRESH = 3
+ /// what repainting is needed
+ enum refresh_status {
+ /// no repaint is needed
+ REFRESH_NONE = 0,
+ /// the refresh_row needs repainting
+ REFRESH_ROW = 1,
+ /// everything from refresh_y downwards needs repainting
+ REFRESH_AREA = 2
};
+
///
enum word_location {
- /// the word around the cursor
+ // 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 *);
- ///
- LyXText(InsetText *);
-
- /// Destructor
- ~LyXText();
+ /// sets inset as owner
+ LyXText(BufferView *, InsetText *);
- void init(BufferView *);
+ void init(BufferView *, bool reinit = false);
///
- mutable int number_of_rows;
+ int height;
///
- mutable int height;
- ///
- mutable unsigned int width;
+ unsigned int width;
/// the current font settings
- mutable LyXFont current_font;
+ LyXFont current_font;
/// the current font
- mutable LyXFont real_current_font;
- /// first visible pixel-row is set from LyXScreen!!!
- // unsigned is wrong here for text-insets!
- int first;
- ///
- BufferView * bv_owner;
+ LyXFont real_current_font;
+private:
+ /** the 'anchor' row: the position of this row remains constant
+ * with respect to the top of the screen
+ */
+ RowList::iterator anchor_row_;
+ /** the pixel offset with respect to this row of top_y
+ */
+ int anchor_row_offset_;
+public:
+ /// update all cached row positions
+ void updateRowPositions();
+ /// get the y coord. of the top of the screen (relative to doc start)
+ int top_y() const;
+ /// set the y coord. of the top of the screen (relative to doc start)
+ void top_y(int newy);
+ /// set the anchoring row. top_y will be computed relative to this
+ void anchor_row(RowList::iterator rit);
///
InsetText * inset_owner;
///
UpdatableInset * the_locking_inset;
///
- int getRealCursorX(BufferView *) const;
+ int getRealCursorX() const;
+ ///
+ LyXFont const getFont(Buffer const *, ParagraphList::iterator pit,
+ lyx::pos_type pos) const;
+ ///
+ LyXFont const getLayoutFont(Buffer const *,
+ ParagraphList::iterator pit) const;
///
- LyXFont const getFont(Buffer const *, Paragraph * par,
- Paragraph::size_type pos) const;
+ LyXFont const getLabelFont(Buffer const *,
+ ParagraphList::iterator pit) const;
///
- void setCharFont(Buffer const *, Paragraph * par,
- Paragraph::size_type pos, LyXFont const & font);
- void setCharFont(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
- LyXFont const & font, bool toggleall);
- /// returns a pointer to the very first Paragraph
- Paragraph * firstParagraph() const;
-
+ void setCharFont(Buffer const *, 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 breakAgainOneRow(RowList::iterator rit);
/// what you expect when pressing <enter> at cursor position
- void breakParagraph(BufferView *, char keep_layout = 0);
+ void breakParagraph(ParagraphList & paragraphs, char keep_layout = 0);
/** set layout over selection and make a total rebreak of
those paragraphs
*/
- Paragraph * setLayout(BufferView *, LyXCursor & actual_cursor,
- LyXCursor & selection_start,
- LyXCursor & selection_end,
- LyXTextClass::size_type layout);
- void setLayout(BufferView *, LyXTextClass::size_type layout);
-
- /// used in setlayout
- void makeFontEntriesLayoutSpecific(Buffer const *, Paragraph * par);
-
- /** increment depth over selection and make a total rebreak of those
- paragraphs
- */
- void incDepth(BufferView *);
-
- /** decrement depth over selection and make a total rebreak of those
- paragraphs */
- void decDepth(BufferView *);
-
- /** Get the depth at current cursor position
+ ParagraphList::iterator
+ setLayout(LyXCursor & actual_cursor,
+ LyXCursor & selection_start,
+ LyXCursor & selection_end,
+ string const & layout);
+ ///
+ void setLayout(string const & layout);
+
+ /**
+ * Increase or decrease the nesting depth of the selected paragraph(s)
+ * if test_only, don't change any depths. Returns whether something
+ * (would have) changed
*/
- int getDepth() const { return cursor.par()->getDepth(); }
-
+ bool changeDepth(bv_funcs::DEPTH_CHANGE type, bool test_only);
+
+ /// get the depth at current cursor position
+ int getDepth() const;
+
/** set font over selection and make a total rebreak of those
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.
+ parameters.
This function is needed after SetLayout and SetFont etc.
*/
- void redoParagraphs(BufferView *, LyXCursor const & cursor,
- Paragraph const * end_par) const;
+ void redoParagraphs(LyXCursor const & cursor,
+ ParagraphList::iterator endpit);
///
- void redoParagraph(BufferView *) const;
-
+ void redoParagraph();
+
///
- void toggleFree(BufferView *, LyXFont const &, bool toggleall = false);
-
+ void toggleFree(LyXFont const &, bool toggleall = false);
+
+ ///
+ string getStringToIndex();
+
/** recalculates the heights of all previous rows of the
specified paragraph. needed, if the last characters font
- has changed.
+ 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
+ void redoHeightOfParagraph();
+
+ /** 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(Inset * inset);
+
+ /// Completes the insertion with a full rebreak
+ void fullRebreak();
///
- Row * need_break_row;
- ///
- mutable int refresh_y;
- ///
- int refresh_height;
- ///
- int refresh_width;
- ///
- int refresh_x;
- ///
- mutable Row * refresh_row;
+ RowList::iterator need_break_row;
+
+ /// clear any pending paints
+ void clearPaint();
+
+ /**
+ * Mark position y as the starting point for a repaint
+ */
+ void postPaint(int start_y);
+
+ /**
+ * Mark the given row at position y as needing a repaint.
+ */
+ void postRowPaint(RowList::iterator rit, int start_y);
+
///
- int refresh_pos;
+ Inset::RESULT dispatch(FuncRequest const & cmd);
+
+ BufferView * bv();
- /// give and set the LyXText status
- text_status status() const;
- void status(BufferView *, text_status) const;
+ BufferView * bv() const;
+
+ friend class LyXScreen;
+
+ /**
+ * Return the status. This represents what repaints are
+ * pending after some operation (e.g. inserting a char).
+ */
+ refresh_status refreshStatus() const;
+
+private:
+ /**
+ * The pixel y position from which to repaint the screen.
+ * The position is absolute along the height of outermost
+ * lyxtext (I think). REFRESH_AREA and REFRESH_ROW
+ * repaints both use this as a starting point (if it's within
+ * the viewable portion of the lyxtext).
+ */
+ int refresh_y;
+ /**
+ * The row from which to repaint the screen, used by screen.c.
+ * This must be set if the pending update is REFRESH_ROW.
+ * It doesn't make any difference for REFRESH_AREA.
+ */
+ RowList::iterator refresh_row;
+
+ refresh_status refresh_status_;
+
+ /// only the top-level LyXText has this non-zero
+ BufferView * bv_owner;
-private:
- /** wether the screen needs a refresh,
- starting with refresh_y
- */
- mutable text_status status_;
-
public:
/** returns a pointer to the row near the specified y-coordinate
(relative to the whole text). y is set to the real beginning
of this row
- */
- Row * getRowNearY(int & y) const;
-
- /** returns the column near the specified x-coordinate of the row
+ */
+ RowList::iterator 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(BufferView *, Row * row,
- int & x, bool & boundary) const;
-
+ */
+ lyx::pos_type getColumnNearX(RowList::iterator rit,
+ int & x, bool & boundary) const;
+
/** returns a pointer to a specified row. y is set to the beginning
of the row
*/
- Row * getRow(Paragraph * par,
- Paragraph::size_type pos, int & y) const;
+ RowList::iterator
+ getRow(ParagraphList::iterator pit, lyx::pos_type pos, int & y) const;
+
+ RowList & rows() const {
+ return rowlist_;
+ }
- /** 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
Since the LyXText now has been moved from Buffer to BufferView
it should not be absolutely needed to move the cursor...
*/
- mutable LyXCursor cursor;
+ LyXCursor cursor; // actual cursor position
- /** The structrue that keeps track of the selections set. */
+ /** The structure that keeps track of the selections set. */
struct Selection {
- Selection()
+ Selection()
: set_(false), mark_(false)
{}
bool set() const {
void mark(bool m) {
mark_ = m;
}
- LyXCursor cursor;
- LyXCursor start;
- LyXCursor end;
+ 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;
+ Selection selection;
+ // this is used to handle XSelection events in the right manner
+ Selection xsel_cache;
- /// needed for the toggling
+ /// needed for the toggling (cursor position on last selection made)
LyXCursor last_sel_cursor;
- ///
+ /// needed for toggling the selection in screen.C
LyXCursor toggle_cursor;
- ///
+ /// needed for toggling the selection in screen.C
LyXCursor toggle_end_cursor;
-
+
/// need the selection cursor:
- void setSelection(BufferView *);
+ void setSelection();
///
- void clearSelection(BufferView *) const;
+ void clearSelection();
///
- string const selectionAsString(Buffer const *) const;
-
+ 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;
+ void getWord(LyXCursor & from, LyXCursor & to,
+ word_location const);
/// just selects the word the cursor is in
- void selectWord(BufferView *);
+ void selectWord(word_location const);
+ /// returns the inset at cursor (if it exists), 0 otherwise
+ Inset * getInset() const;
+
+ /// accept selected change
+ void acceptChange();
- /** '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();
+
+ /** 'selects" the next word, where the cursor is not in
+ and returns this word as string. THe cursor will be moved
+ to the beginning of this word.
With SelectSelectedWord can this be highlighted really
- */
- string const selectNextWord(BufferView *, float & value) const;
- ///
- void selectSelectedWord(BufferView *);
+ */
+ WordLangTuple const selectNextWordToSpellcheck(float & value);
///
- void setCursor(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
+ void selectSelectedWord();
+ /// returns true if par was empty and was removed
+ bool setCursor(ParagraphList::iterator pit,
+ lyx::pos_type pos,
bool setfont = true,
- bool boundary = false) const;
+ bool boundary = false);
///
- void setCursor(BufferView *, LyXCursor &, Paragraph * par,
- Paragraph::size_type pos,
- bool boundary = false) const;
+ void setCursor(LyXCursor &, ParagraphList::iterator pit,
+ lyx::pos_type pos,
+ bool boundary = false);
///
- void setCursorIntern(BufferView *, Paragraph * par,
- Paragraph::size_type pos,
+ void setCursorIntern(ParagraphList::iterator pit,
+ lyx::pos_type pos,
bool setfont = true,
- bool boundary = false) const;
+ bool boundary = false);
///
- void setCurrentFont(BufferView *) const;
+ void setCurrentFont();
///
- bool isBoundary(Buffer const *, Paragraph * par,
- Paragraph::size_type pos) const;
+ bool isBoundary(Buffer const *, Paragraph const & par,
+ lyx::pos_type pos) const;
///
- bool isBoundary(Buffer const *, Paragraph * par,
- Paragraph::size_type pos,
+ bool isBoundary(Buffer const *, Paragraph const & par,
+ lyx::pos_type pos,
LyXFont const & font) const;
///
- void setCursorFromCoordinates(BufferView *, int x, int y) const;
- ///
- void setCursorFromCoordinates(BufferView *, LyXCursor &,
- int x, int y) const;
- ///
- void cursorUp(BufferView *) 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 cursorLeftOneWord(BufferView *) const;
+ void cursorDown(bool selecting = false);
///
- void cursorLeftOneWord(LyXCursor &) const;
+ void cursorLeft(bool internal = true);
///
- void cursorRightOneWord(BufferView *) const;
+ void cursorRight(bool internal = true);
///
- void cursorUpParagraph(BufferView *) const;
+ void cursorLeftOneWord();
///
- void cursorDownParagraph(BufferView *) const;
+ void cursorRightOneWord();
///
- void cursorHome(BufferView *) const;
+ void cursorUpParagraph();
///
- void cursorEnd(BufferView *) const;
+ void cursorDownParagraph();
///
- void cursorTab(BufferView *) const;
+ void cursorHome();
///
- void cursorTop(BufferView *) const;
+ void cursorEnd();
///
- void cursorBottom(BufferView *) const;
+ void cursorPrevious();
///
- void Delete(BufferView *);
+ void cursorNext();
///
- void backspace(BufferView *);
+ void cursorTop();
///
- void deleteWordForward(BufferView *);
+ void cursorBottom();
///
- void deleteWordBackward(BufferView *);
+ void Delete();
///
- void deleteLineForward(BufferView *);
+ void backspace();
///
- bool selectWordWhenUnderCursor(BufferView *);
+ bool selectWordWhenUnderCursor(word_location);
///
enum TextCase {
///
text_uppercase = 2
};
/// Change the case of the word at cursor position.
- void changeCase(BufferView *, TextCase action);
- ///
- void changeRegionCase(BufferView * bview,
- LyXCursor const & from,
- LyXCursor const & to,
- LyXText::TextCase action);
- ///
- void transposeChars(BufferView &);
-
- /** returns a printed row in a pixmap. The y value is needed to
- decide, wether it is selected text or not. This is a strange
- solution but faster.
- */
- void getVisibleRow(BufferView *, int y_offset, int x_offset,
- Row * row_ptr, int y, bool cleared=false);
+ void changeCase(TextCase action);
///
- void cutSelection(BufferView *, bool = true);
- ///
- void copySelection(BufferView *);
- ///
- void pasteSelection(BufferView *);
- ///
- void copyEnvironmentType();
- ///
- void pasteEnvironmentType(BufferView *);
+ void toggleInset();
///
- void insertFootnote();
+ void cutSelection(bool doclear = true, bool realcut = true);
///
- void insertMarginpar();
+ void copySelection();
///
- void insertFigure();
- ///
- void insertTabular();
+ void pasteSelection();
/** 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(BufferView *,
- bool line_top, bool line_bottom,
+ */
+ void setParagraph(bool line_top, bool line_bottom,
bool pagebreak_top, bool pagebreak_bottom,
VSpace const & space_top,
VSpace const & space_bottom,
- LyXAlignment align,
- string labelwidthstring,
+ Spacing const & spacing,
+ LyXAlignment align,
+ 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(string const & str);
/// needed to insert the selection
- void insertStringAsLines(BufferView *, string const & str);
+ void insertStringAsLines(string const & str);
/// needed to insert the selection
- void insertStringAsParagraphs(BufferView *, string const & str);
+ void insertStringAsParagraphs(string const & str);
/// Find next inset of some specified type.
- bool gotoNextInset(BufferView *, std::vector<Inset::Code> const & codes,
- string const & contents = string()) const;
+ bool gotoNextInset(std::vector<Inset::Code> const & codes,
+ string const & contents = string());
+ ///
+ void gotoInset(std::vector<Inset::Code> const & codes,
+ bool same_content);
+ ///
+ void gotoInset(Inset::Code code, bool same_content);
///
/* for the greater insets */
-
+
/// returns false if inset wasn't found
- bool updateInset(BufferView *, Inset *);
- ///
- void checkParagraph(BufferView *, Paragraph * par,
- Paragraph::size_type pos);
- ///
- int numberOfCell(Paragraph * par,
- Paragraph::size_type pos) const;
- ///
- void removeTableRow(LyXCursor & cursor) const;
+ bool updateInset(Inset *);
///
- bool isEmptyTableCell() const;
+ void checkParagraph(ParagraphList::iterator pit, lyx::pos_type pos);
///
- void toggleAppendix(BufferView *);
+ int workWidth() const;
///
- int workWidth(BufferView *) const;
- ///
- void computeBidiTables(Buffer const *, Row * row) const;
+ int workWidth(Inset * inset) const;
+ ///
+ void computeBidiTables(Buffer const *, RowList::iterator row) const;
/// Maps positions in the visual string to positions in logical string.
- inline
- Paragraph::size_type log2vis(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return pos;
- else
- return log2vis_list[pos-bidi_start];
- }
-
+ lyx::pos_type log2vis(lyx::pos_type pos) const;
/// Maps positions in the logical string to positions in visual string.
- inline
- Paragraph::size_type vis2log(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return pos;
- else
- return vis2log_list[pos-bidi_start];
- }
+ lyx::pos_type vis2log(lyx::pos_type pos) const;
///
- inline
- Paragraph::size_type bidi_level(Paragraph::size_type pos) const {
- if (bidi_start == -1)
- return 0;
- else
- return bidi_levels[pos-bidi_start];
- }
- ///
- inline
- bool bidi_InRange(Paragraph::size_type pos) const {
- return bidi_start == -1 ||
- (bidi_start <= pos && pos <= bidi_end);
- }
+ lyx::pos_type bidi_level(lyx::pos_type pos) const;
+ ///
+ bool bidi_InRange(lyx::pos_type pos) const;
private:
///
- mutable Row * firstrow;
+ mutable RowList rowlist_;
///
- mutable Row * lastrow;
+ void cursorLeftOneWord(LyXCursor &);
- /** 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;
+ ///
+ float getCursorX(RowList::iterator rit, lyx::pos_type pos,
+ lyx::pos_type last, bool boundary) const;
+ /// used in setlayout
+ void makeFontEntriesLayoutSpecific(Buffer const &, Paragraph & par);
- /** inserts a new row behind the specified row, increments
- the touched counters */
- void insertRow(Row * row, Paragraph * par,
- Paragraph::size_type pos) const;
- /** removes the row and reset the touched counters */
- void removeRow(Row * row) const;
+ /** forces the redrawing of a paragraph. Needed when manipulating a
+ right address box
+ */
+ void redoDrawingOfParagraph(LyXCursor const & cursor);
- /** remove all following rows of the paragraph of the specified row. */
- void removeParagraph(Row * row) const;
+ /// removes the row and reset the touched counters
+ void removeRow(RowList::iterator rit);
- /** insert the specified paragraph behind the specified row */
- void insertParagraph(BufferView *,
- Paragraph * par, Row * row) const;
+ /// remove all following rows of the paragraph of the specified row.
+ void removeParagraph(RowList::iterator rit);
+
+ /// insert the specified paragraph behind the specified row
+ void insertParagraph(ParagraphList::iterator pit,
+ RowList::iterator rowit);
/** 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;
+ void appendParagraph(RowList::iterator rowit);
+
///
- void breakAgainOneRow(BufferView *, Row * row);
+ void breakAgain(RowList::iterator rit);
/// Calculate and set the height of the row
- void setHeightOfRow(BufferView *, Row * row_ptr) const;
+ void setHeightOfRow(RowList::iterator rit);
- /** 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;
+ // fix the cursor `cur' after a characters has been deleted at `where'
+ // position. Called by deleteEmptyParagraphMechanism
+ void fixCursorAfterDelete(LyXCursor & cur,
+ LyXCursor const & where);
- ///
- void deleteEmptyParagraphMechanism(BufferView *,
- LyXCursor const & old_cursor) const;
+ /// delete double space (false) or empty paragraphs (true) around old_cursor
+ bool deleteEmptyParagraphMechanism(LyXCursor const & old_cursor);
public:
/** Updates all counters starting BEHIND the row. Changed paragraphs
- * with a dynamic left margin will be rebroken. */
- void updateCounters(BufferView *, Row * row) const;
-private:
+ * with a dynamic left margin will be rebroken. */
+ void updateCounters();
///
- void setCounter(Buffer const *, Paragraph * par) const;
-
- /*
- * some low level functions
+ void update();
+ /**
+ * Returns an inset if inset was hit, or 0 if not.
+ * If hit, the coordinates are changed relative to the inset.
*/
-
+ Inset * checkInsetHit(int & x, int & y);
+
///
- int singleWidth(BufferView *, Paragraph * par,
- Paragraph::size_type pos) const;
+ int singleWidth(ParagraphList::iterator pit,
+ lyx::pos_type pos) const;
///
- int singleWidth(BufferView *, Paragraph * par,
- Paragraph::size_type pos, char c) const;
+ int singleWidth(ParagraphList::iterator pit,
+ lyx::pos_type pos, char c) const;
+
+ /// return the color of the canvas
+ LColor::color backgroundColor() const;
+
///
- void draw(BufferView *, Row const * row,
- Paragraph::size_type & pos,
- int offset, float & x, bool cleared);
+ mutable bool bidi_same_direction;
- /// get the next breakpoint in a given paragraph
- Paragraph::size_type nextBreakPoint(BufferView *, Row const * row,
- int width) const;
- /// returns the minimum space a row needs on the screen in pixel
- int fill(BufferView *, Row * row, int workwidth) const;
-
- /** returns the minimum space a manual label needs on the
- screen in pixel */
- int labelFill(BufferView *, Row const * row) const;
-
- ///
- Paragraph::size_type
- beginningOfMainBody(Buffer const *, Paragraph const * par) const;
-
- /** Returns the left beginning of the text.
- This information cannot be taken from the layouts-objekt, because
- in LaTeX the beginning of the text fits in some cases
- (for example sections) exactly the label-width.
- */
- int leftMargin(BufferView *, Row const * row) const;
+ unsigned char transformChar(unsigned char c, Paragraph const & par,
+ lyx::pos_type pos) 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(Row const & row) const;
///
- int rightMargin(Buffer const *, Row const * row) const;
+ int rightMargin(Buffer const &, Row const & row) const;
+
+ /** this calculates the specified parameters. needed when setting
+ * the cursor and when creating a visible row */
+ void prepareToPrint(RowList::iterator row, float & x,
+ float & fill_separator,
+ float & fill_hfill,
+ float & fill_label_hfill,
+ bool bidi = true) const;
+
+private:
///
- int labelEnd (BufferView *, Row const * row) const;
+ void setCounter(Buffer const *, ParagraphList::iterator pit);
+ ///
+ void deleteWordForward();
+ ///
+ void deleteWordBackward();
+ ///
+ void deleteLineForward();
- /** 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;
+ /*
+ * some low level functions
+ */
- /** returns the number of hfills in the specified row. The
- LyX-Hfill is a LaTeX \hfill so that the hfills at the
- beginning and at the end were ignored. This is {\em MUCH}
- more usefull than not to ignore!
- */
- int numberOfHfills(Buffer const *, Row const * row) const;
-
- /// like NumberOfHfills, but only those in the manual label!
- int numberOfLabelHfills(Buffer const *, Row const * row) const;
- /** returns true, if a expansion is needed. Rules are given by
- LaTeX
- */
- bool hfillExpansion(Buffer const *, Row const * row_ptr,
- Paragraph::size_type pos) const;
+ /// return the pos value *before* which a row should break.
+ /// for example, the pos at which IsNewLine(pos) == true
+ lyx::pos_type rowBreakPoint(Row const & row) const;
- ///
- mutable std::vector<Paragraph::size_type> log2vis_list;
+ /// returns the minimum space a row needs on the screen in pixel
+ int fill(RowList::iterator row, int workwidth) const;
- ///
- mutable std::vector<Paragraph::size_type> vis2log_list;
+ /**
+ * returns the minimum space a manual label needs on the
+ * screen in pixels
+ */
+ int labelFill(Row const & row) const;
- ///
- mutable std::vector<Paragraph::size_type> bidi_levels;
+ /// FIXME
+ int labelEnd(Row const & row) const;
///
- mutable Paragraph::size_type bidi_start;
-
+ mutable std::vector<lyx::pos_type> log2vis_list;
///
- mutable Paragraph::size_type bidi_end;
-
+ mutable std::vector<lyx::pos_type> vis2log_list;
///
- mutable bool bidi_same_direction;
-
+ mutable std::vector<lyx::pos_type> bidi_levels;
///
- unsigned char transformChar(unsigned char c, Paragraph * par,
- Paragraph::size_type pos) const;
-
- /** returns the paragraph position of the last character in the
- specified row
- */
- Paragraph::size_type rowLast(Row const * row) const;
+ mutable lyx::pos_type bidi_start;
///
- Paragraph::size_type rowLastPrintable(Row const * row) const;
+ mutable lyx::pos_type bidi_end;
///
void charInserted();
//
// special owner functions
///
- Paragraph * ownerParagraph() const;
- //
- Paragraph * ownerParagraph(Paragraph *) const;
- // set it searching first for the right owner using the paragraph id
- Paragraph * ownerParagraph(int id, Paragraph *) const;
+ ParagraphList & ownerParagraphs() const;
+
+ /// return true if this is owned by an inset.
+ bool isInInset() const;
};
+/// return the default height of a row in pixels, considering font zoom
+extern int defaultRowHeight();
-/* returns a pointer to the row near the specified y-coordinate
- * (relative to the whole text). y is set to the real beginning
- * of this row */
-inline
-Row * LyXText::getRowNearY(int & y) const
-{
- // If possible we should optimize this method. (Lgb)
- Row * tmprow = firstrow;
- int tmpy = 0;
-
- while (tmprow->next() && tmpy + tmprow->height() <= y) {
- tmpy += tmprow->height();
- tmprow = tmprow->next();
- }
-
- y = tmpy; // return the real y
- return tmprow;
-}
-#endif
+#endif // LYXTEXT_H
projects / lyx.git / blobdiff