// -*- 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 "layout.h"
#include "LColor.h"
#include "insets/inset.h"
+#include "RowList.h"
+#include "bufferview_funcs.h"
+#include "textcursor.h"
class Buffer;
class BufferParams;
class Spacing;
class UpdatableInset;
class VSpace;
+class WordLangTuple;
+class ParagraphList;
+class MetricsInfo;
+class Dimension;
/**
This class holds the mapping between buffer paragraphs and screen rows.
*/
-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:
/// Constructor
LyXText(BufferView *);
- ///
- LyXText(InsetText *);
-
- /// Destructor
- ~LyXText();
+ /// sets inset as owner
+ LyXText(BufferView *, InsetText *);
- void init(BufferView *, bool reinit = false);
+ void init(BufferView *);
///
- 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_y;
- ///
- BufferView * bv_owner;
+ LyXFont real_current_font;
+ /// our buffer's default layout font
+ //LyXFont defaultfont_;
+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 *, 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);
+ ///
+ 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,
- string const & layout);
- ///
- void setLayout(BufferView *, string const & 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
*/
+ 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.
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(BufferView *);
+ string getStringToIndex();
/** 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);
+ 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);
+ void insertInset(InsetOld * inset);
- /** Completes the insertion with a full rebreak.
- Returns true if something was broken. */
- bool fullRebreak(BufferView *);
+ /// Completes the insertion with a rebreak
+ void partialRebreak();
+ /// a full rebreak of the whole text
+ void fullRebreak();
+ /// compute text metrics
+ void metrics(MetricsInfo & mi, Dimension & dim);
- ///
- mutable Row * need_break_row;
- ///
- mutable int refresh_y;
- ///
- int refresh_height;
- ///
- int refresh_width;
- ///
- int refresh_x;
- ///
- mutable Row * refresh_row;
- ///
- lyx::pos_type refresh_pos;
+ /// clear any pending paints
+ void clearPaint();
+
+ /// submit repaint request
+ void postPaint();
- /// give and set the LyXText status
- text_status status() const;
///
- void status(BufferView *, text_status) const;
+ InsetOld::RESULT dispatch(FuncRequest const & cmd);
+
+ BufferView * bv();
+
+ BufferView * bv() const;
+
+ friend class LyXScreen;
+
+ /**
+ * Return the status. This represents what repaints are
+ * pending after some operation (e.g. inserting a char).
+ */
+ bool needRefresh() const;
private:
- /** wether the screen needs a refresh,
- starting with refresh_y
- */
- mutable text_status status_;
+ // do we need a refresh?
+ bool need_refresh_;
+
+public:
+ /// only the top-level LyXText has this non-zero
+ BufferView * bv_owner;
+private:
+ /// returns a pointer to a specified row.
+ RowList::iterator
+ getRow(ParagraphList::iterator pit, lyx::pos_type pos) const;
public:
+ /// returns a pointer cursor row
+ RowList::iterator getRow(LyXCursor const & cursor) const;
+ /// convenience
+ RowList::iterator cursorRow() const;
+ /**
+ * Return the next row, when cursor is at the end of the
+ * previous row, for insets that take a full row.
+ *
+ * FIXME: explain why we need this ? especially for y...
+ */
+ RowList::iterator cursorIRow() const;
+
/** 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;
+ 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
*/
- lyx::pos_type 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,
- 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;
+ RowList::iterator
+ getRow(ParagraphList::iterator pit, lyx::pos_type pos, int & y) 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;
+ RowList & rows() const {
+ return rowlist_;
+ }
- /// 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;
/// 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
*/
- string const selectNextWordToSpellcheck(BufferView *, float & value) const;
+ WordLangTuple const selectNextWordToSpellcheck(float & value);
///
- void selectSelectedWord(BufferView *);
+ void selectSelectedWord();
/// returns true if par was empty and was removed
- bool setCursor(BufferView *, Paragraph * par,
+ 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,
+ void setCursor(LyXCursor &, ParagraphList::iterator pit,
lyx::pos_type pos,
- bool boundary = false) const;
+ bool boundary = false);
///
- void setCursorIntern(BufferView *, Paragraph * par,
+ void setCursorIntern(ParagraphList::iterator pit,
lyx::pos_type pos,
bool setfont = true,
- bool boundary = false) const;
- ///
- float getCursorX(BufferView *, Row *, lyx::pos_type pos,
- lyx::pos_type last, bool boundary) const;
+ bool boundary = false);
///
- void setCurrentFont(BufferView *) const;
+ void setCurrentFont();
///
- bool isBoundary(Buffer const *, Paragraph * par,
+ bool isBoundary(Buffer const *, Paragraph const & par,
lyx::pos_type pos) const;
///
- bool isBoundary(Buffer const *, Paragraph * par,
+ 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(int x, int y);
///
- void setCursorFromCoordinates(BufferView *, LyXCursor &,
- int x, int y) const;
+ void setCursorFromCoordinates(LyXCursor &,
+ int x, int y);
///
- void cursorUp(BufferView *) const;
+ void cursorUp(bool selecting = false);
///
- void cursorDown(BufferView *) const;
+ void cursorDown(bool selecting = false);
///
- void cursorLeft(BufferView *, bool internal = true) const;
+ void cursorLeft(bool internal = true);
///
- void cursorRight(BufferView *, bool internal = true) const;
+ void cursorRight(bool internal = true);
///
- void cursorLeftOneWord(BufferView *) const;
+ void cursorLeftOneWord();
///
- void cursorLeftOneWord(LyXCursor &) const;
+ void cursorRightOneWord();
///
- void cursorRightOneWord(BufferView *) const;
+ void cursorUpParagraph();
///
- void cursorUpParagraph(BufferView *) const;
+ void cursorDownParagraph();
///
- void cursorDownParagraph(BufferView *) const;
+ void cursorHome();
///
- void cursorHome(BufferView *) const;
+ void cursorEnd();
///
- void cursorEnd(BufferView *) const;
+ 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();
///
- void deleteWordForward(BufferView *);
- ///
- void deleteWordBackward(BufferView *);
- ///
- void deleteLineForward(BufferView *);
- ///
- bool selectWordWhenUnderCursor(BufferView *,
- word_location const);
+ bool selectWordWhenUnderCursor(lyx::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 &);
+ 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);
+ void 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
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,
Spacing const & spacing,
LyXAlignment align,
- string labelwidthstring,
+ 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<InsetOld::Code> const & codes,
+ string const & contents = string());
+ ///
+ void gotoInset(std::vector<InsetOld::Code> const & codes,
+ bool same_content);
+ ///
+ void gotoInset(InsetOld::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, lyx::pos_type pos);
- ///
- int numberOfCell(Paragraph * par, lyx::pos_type pos) const;
+ bool updateInset(InsetOld *);
///
- void removeTableRow(LyXCursor & cursor) const;
+ void checkParagraph(ParagraphList::iterator pit, lyx::pos_type pos);
///
- bool isEmptyTableCell() const;
- ///
- void toggleAppendix(BufferView *);
- ///
- int workWidth(BufferView *) const;
- ///
- int workWidth(BufferView *, Inset * inset) const;
- ///
- void computeBidiTables(Buffer const *, Row * row) const;
+ int workWidth() const;
+ /// returns width of row containing inset
+ int workWidth(InsetOld const * inset) const;
+ ///
+ void computeBidiTables(Buffer const *, RowList::iterator 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];
- }
-
+ lyx::pos_type log2vis(lyx::pos_type pos) 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];
- }
+ lyx::pos_type vis2log(lyx::pos_type pos) const;
///
- inline
- lyx::pos_type bidi_level(lyx::pos_type pos) const {
- if (bidi_start == -1)
- return 0;
- else
- return bidi_levels[pos-bidi_start];
- }
+ lyx::pos_type bidi_level(lyx::pos_type pos) const;
///
- inline
- bool bidi_InRange(lyx::pos_type pos) const {
- return bidi_start == -1 ||
- (bidi_start <= pos && pos <= bidi_end);
- }
+ bool bidi_InRange(lyx::pos_type pos) const;
private:
///
- mutable Row * firstrow;
+ mutable RowList rowlist_;
///
- mutable Row * lastrow;
+ float getCursorX(RowList::iterator rit, lyx::pos_type pos,
+ lyx::pos_type last, bool boundary) const;
+ /// used in setlayout
+ void makeFontEntriesLayoutSpecific(BufferParams const &, Paragraph & par);
- /** 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;
+ /** 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 appendParagraph(RowList::iterator rowit);
///
- void breakAgain(BufferView *, Row * row) const;
- ///
- 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;
-
- /** 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 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);
+ void setHeightOfRow(RowList::iterator rit);
// fix the cursor `cur' after a characters has been deleted at `where'
// position. Called by deleteEmptyParagraphMechanism
- void fixCursorAfterDelete(BufferView * bview,
- LyXCursor & cur,
- LyXCursor const & where) const;
+ void fixCursorAfterDelete(LyXCursor & cur,
+ LyXCursor const & where);
/// delete double space (false) or empty paragraphs (true) around old_cursor
- bool deleteEmptyParagraphMechanism(BufferView *,
- LyXCursor const & old_cursor) const;
+ 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:
+ 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.
*/
+ InsetOld * checkInsetHit(int & x, int & y);
///
- int singleWidth(BufferView *, Paragraph * par,
- lyx::pos_type pos) const;
+ int singleWidth(ParagraphList::iterator pit, lyx::pos_type pos) const;
///
- int singleWidth(BufferView *, Paragraph * par,
+ int singleWidth(ParagraphList::iterator pit,
lyx::pos_type pos, char c) const;
+ /// rebuild row cache
+ void rebuildRows(ParagraphList::iterator pit);
+ /// return the color of the canvas
+ LColor::color backgroundColor() 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
- void drawInset(DrawRowParams & p, lyx::pos_type const pos);
- /// draw new line marker
- void drawNewline(DrawRowParams & p, lyx::pos_type const pos);
- /// draw text
- void draw(DrawRowParams & p, lyx::pos_type & vpos);
-
- /// 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;
+ ///
+ mutable bool bidi_same_direction;
- /** returns the minimum space a manual label needs on the
- screen in pixel */
- int labelFill(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;
///
- lyx::pos_type beginningOfMainBody(Buffer const *, Paragraph const * par) const;
+ int rightMargin(Buffer const &, Row const & row) 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;
+ /** this calculates the specified parameters. needed when setting
+ * the cursor and when creating a visible row */
+ void prepareToPrint(RowList::iterator row, int & x,
+ int & fill_separator,
+ int & fill_hfill,
+ int & fill_label_hfill,
+ bool bidi = true) const;
+
+private:
+ ///
+ void setCounter(Buffer const *, ParagraphList::iterator pit);
///
- int rightMargin(Buffer const *, Row const * row) const;
+ void deleteWordForward();
///
- int labelEnd (BufferView *, Row const * row) const;
+ 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,
- lyx::pos_type pos) const;
- ///
- LColor::color backgroundColor();
+ /// 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;
+
+ /// returns the minimum space a row needs on the screen in pixel
+ int fill(RowList::iterator row, int workwidth) const;
+
+ /**
+ * returns the minimum space a manual label needs on the
+ * screen in pixels
+ */
+ int labelFill(Row const & row) const;
+ /// FIXME
+ int labelEnd(Row const & row) const;
///
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;
-
- /** 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;
-
///
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;
+ ParagraphList & ownerParagraphs() const;
+
+ /// return true if this is owned by an inset.
+ bool isInInset() const;
+
+private:
+ /** Cursor related data.
+ Later this variable has to be removed. There should be now internal
+ cursor in a text */
+ ///
+ ///TextCursor cursor_;
};
-#endif
+/// return the default height of a row in pixels, considering font zoom
+extern int defaultRowHeight();
+
+#endif // LYXTEXT_H