// -*- C++ -*-
/* This file is part of
- * ======================================================
- *
+ * ======================================================
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#endif
#include "lyxfont.h"
-#include "undo.h"
#include "lyxcursor.h"
-#include "lyxparagraph.h"
#include "layout.h"
+#include "LColor.h"
+#include "insets/inset.h"
class Buffer;
class BufferParams;
-class Row;
class BufferView;
+class InsetText;
+class Paragraph;
+class Row;
+class Spacing;
+class UpdatableInset;
+class VSpace;
+
/**
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 Letter_Form {
- FORM_ISOLATED,
- FORM_INITIAL,
- FORM_MEDIAL,
- FORM_FINAL
+ ///
+ 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
};
- /// points to Buffer.params
- BufferParams * parameters;
- /// points to Buffer
- Buffer * params;
+ /// Constructor
+ LyXText(BufferView *);
+ ///
+ LyXText(InsetText *);
+
+ /// Destructor
+ ~LyXText();
+
+ void init(BufferView *, bool reinit = false);
///
mutable int number_of_rows;
///
- mutable long height;
+ mutable int height;
+ ///
+ mutable unsigned int width;
/// the current font settings
mutable LyXFont current_font;
/// the current font
mutable LyXFont real_current_font;
+ /// first visible pixel-row is set from LyXScreen!!!
+ // unsigned is wrong here for text-insets!
+ int first_y;
+ ///
+ BufferView * bv_owner;
+ ///
+ InsetText * inset_owner;
+ ///
+ UpdatableInset * the_locking_inset;
- /// Constructor
- LyXText(BufferView *, int paperwidth, Buffer *);
-
- /// Destructor
- ~LyXText();
-
///
- void owner(BufferView *);
-
+ int getRealCursorX(BufferView *) const;
+ ///
+ LyXFont const getFont(Buffer const *, Paragraph * par,
+ lyx::pos_type pos) const;
+ ///
+ LyXFont const getLayoutFont(Buffer const *, Paragraph * par) const;
///
- LyXFont GetFont(LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ LyXFont const getLabelFont(Buffer const *, Paragraph * par) const;
///
- void SetCharFont(LyXParagraph * par,
- LyXParagraph::size_type pos,
- LyXFont const & font);
- /// returns a pointer to the very first LyXParagraph
- LyXParagraph * FirstParagraph() 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(LyXTextClass::size_type layout);
-
+ 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(LyXParagraph * par);
-
- /** increment depth over selection and make a total rebreak of those
+ void makeFontEntriesLayoutSpecific(Buffer const *, Paragraph * par);
+
+ /** 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 { return cursor.par->GetDepth(); }
-
+ int getDepth() const;
+
/** set font over selection and make a total rebreak of those
paragraphs.
toggleall defaults to false.
*/
- void SetFont(LyXFont const & 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.
+ parameters.
This function is needed after SetLayout and SetFont etc.
*/
- void RedoParagraphs(LyXCursor const & cursor,
- LyXParagraph const * end_par) const;
+ void redoParagraphs(BufferView *, LyXCursor const & cursor,
+ Paragraph const * end_par) const;
///
- void RedoParagraph() const;
-
+ void redoParagraph(BufferView *) const;
+
///
- void ToggleFree(LyXFont const & 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 const & cursor);
-
- /** forces the redrawing of a paragraph. Needed when manipulating a
+ void redoHeightOfParagraph(BufferView *, LyXCursor const & cursor);
+
+ /** forces the redrawing of a paragraph. Needed when manipulating a
right address box
- */
- void RedoDrawingOfParagraph(LyXCursor const & cursor);
-
- /** insert a character, moves all the following breaks in the
+ */
+ void redoDrawingOfParagraph(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 insertChar(BufferView *, char c);
///
- void InsertInset(Inset * inset);
-
- /// completes the insertion with a full rebreak
- int FullRebreak();
+ void insertInset(BufferView *, Inset * inset);
+
+ /** Completes the insertion with a full rebreak. */
+ void fullRebreak(BufferView *);
///
- LyXParagraph::footnote_flag GetFootnoteFlag(int row);
- ///
- Row * need_break_row;
+ mutable Row * need_break_row;
///
- mutable long refresh_y;
+ mutable int refresh_y;
///
int refresh_height;
///
///
mutable Row * refresh_row;
///
- int refresh_pos;
-
+ lyx::pos_type refresh_pos;
+
+ /// give and set the LyXText status
+ text_status status() const;
+ ///
+ void status(BufferView *, text_status) const;
+
+private:
/** wether the screen needs a refresh,
starting with refresh_y
*/
- mutable 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) const;
-
- /** 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) const;
-
+ */
+ 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,
- LyXParagraph::size_type pos, long & y) const;
+ 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;
-
+ 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;
-
- /* the selection cursor */
- ///
- mutable bool selection;
- ///
- mutable 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;
+
+ /// need the selection cursor:
+ void setSelection(BufferView *);
///
- mutable LyXCursor sel_cursor;
+ void clearSelection() const;
///
- LyXCursor sel_start_cursor;
+ 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(BufferView *, word_location const);
+ /// returns the inset at cursor (if it exists), 0 otherwise
+ Inset * 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
+ */
+ string const selectNextWordToSpellcheck(BufferView *, float & value) const;
///
- mutable LyXCursor sel_end_cursor;
- /// needed for the toggling
- LyXCursor last_sel_cursor;
+ 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;
///
- LyXCursor toggle_cursor;
+ void setCursor(BufferView *, LyXCursor &, Paragraph * par,
+ lyx::pos_type pos,
+ bool boundary = false) const;
///
- LyXCursor toggle_end_cursor;
-
- /// need the selection cursor:
- void SetSelection();
+ void setCursorIntern(BufferView *, Paragraph * par,
+ lyx::pos_type pos,
+ bool setfont = true,
+ bool boundary = false) const;
///
- void ClearSelection() const;
+ float getCursorX(BufferView *, Row *, lyx::pos_type pos,
+ lyx::pos_type last, bool boundary) const;
+ ///
+ void setCurrentFont(BufferView *) const;
- /// just selects the word the cursor is in
- void SelectWord();
+ ///
+ bool isBoundary(Buffer const *, Paragraph * par,
+ lyx::pos_type pos) const;
+ ///
+ bool isBoundary(Buffer const *, Paragraph * par,
+ lyx::pos_type pos,
+ LyXFont const & font) const;
- /** '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();
+ void setCursorFromCoordinates(BufferView *, int x, int y) const;
///
- void SetCursor(LyXParagraph * par,
- LyXParagraph::size_type pos,
- bool setfont = true) const;
+ void setCursorFromCoordinates(BufferView *, LyXCursor &,
+ int x, int y) const;
///
- void SetCursorIntern(LyXParagraph * par,
- LyXParagraph::size_type pos,
- bool setfont = true) const;
+ void cursorUp(BufferView *, bool selecting = false) const;
///
- void SetCursorFromCoordinates(int x, long y) const;
- void SetCursorFromCoordinates(LyXCursor &, int x, long y) const;
+ void cursorDown(BufferView *, bool selecting = false) const;
///
- void CursorUp() const;
+ void cursorLeft(BufferView *, bool internal = true) const;
///
- void CursorDown() const;
+ void cursorRight(BufferView *, bool internal = true) const;
///
- void CursorLeft() const;
+ void cursorLeftOneWord(BufferView *) const;
///
- void CursorRight() const;
+ void cursorLeftOneWord(LyXCursor &) const;
///
- void CursorLeftOneWord() const;
+ void cursorRightOneWord(BufferView *) const;
///
- void CursorRightOneWord() const;
+ void cursorUpParagraph(BufferView *) const;
///
- void CursorUpParagraph() const;
+ void cursorDownParagraph(BufferView *) const;
///
- void CursorDownParagraph() const;
+ void cursorHome(BufferView *) const;
///
- void CursorHome() const;
+ void cursorEnd(BufferView *) const;
///
- void CursorEnd() const;
+ void cursorTab(BufferView *) const;
///
- void CursorTab() const;
+ void cursorTop(BufferView *) const;
///
- void CursorTop() const;
+ void cursorBottom(BufferView *) const;
///
- void CursorBottom() const;
+ void Delete(BufferView *);
///
- void Delete();
+ void backspace(BufferView *);
///
- void Backspace();
+ void deleteWordForward(BufferView *);
///
- void DeleteWordForward();
+ void deleteWordBackward(BufferView *);
///
- void DeleteWordBackward();
+ void deleteLineForward(BufferView *);
///
- void DeleteLineForward();
+ bool selectWordWhenUnderCursor(BufferView *,
+ word_location const);
///
- int SelectWordWhenUnderCursor();
-
enum TextCase {
+ ///
text_lowercase = 0,
+ ///
text_capitalization = 1,
+ ///
text_uppercase = 2
};
/// Change the case of the word at cursor position.
- void ChangeWordCase(TextCase action);
+ 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(int offset,
- Row * row_ptr, long y);
-
- /* footnotes: */
- ///
- void ToggleFootnote();
- ///
- void OpenStuff();
- ///
- void OpenFootnotes();
- ///
- void OpenFootnote();
- ///
- void CloseFootnotes();
- ///
- void CloseFootnote();
+ 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 const & space_top,
VSpace const & space_bottom,
- LyXAlignment align,
+ Spacing const & spacing,
+ LyXAlignment align,
string labelwidthstring,
bool noindent);
- void SetParagraphExtraOpt(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(char const * str);
+ void setSelectionOverString(BufferView *, string const & str);
/** simple replacing. The font of the first selected character
is used
*/
- void ReplaceSelectionWithString(char const * str);
-
- /** if the string can be found: return true and set the cursor to
- the new position */
- bool SearchForward(char const * str) const;
- bool SearchBackward(char const * str) const;
+ void replaceSelectionWithString(BufferView *, string const & str);
/// needed to insert the selection
- void InsertStringA(string const & str);
+ void insertStringAsLines(BufferView *, string const & str);
/// needed to insert the selection
- void InsertStringB(string const & str);
-
- /// usefull when texing from within LyX
- bool GotoNextError() const;
-
- /// just another feature :)
- bool GotoNextNote() const;
-
- /** 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(LyXTextClassList::size_type class1,
- LyXTextClassList::size_type class2,
- LyXParagraph * par);
+ void insertStringAsParagraphs(BufferView *, string const & str);
- /* for the greater insets */
-
- /// returns 0 if inset wasn't found
- int UpdateInset(Inset * inset);
- ///
- void CheckParagraph(LyXParagraph * par,
- LyXParagraph::size_type pos);
+ /// Find next inset of some specified type.
+ bool gotoNextInset(BufferView *, std::vector<Inset::Code> const & codes,
+ string const & contents = string()) const;
///
- int NumberOfCell(LyXParagraph * par,
- LyXParagraph::size_type pos) const;
- /* table stuff -- begin*/
- /** 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, string const & val) const;
- ///
- void TableFeatures(int feature) const;
+ /* for the greater insets */
- /** pos points at the beginning of the next cell (if there is one)
- */
- int WidthOfCell(LyXParagraph * par,
- LyXParagraph::size_type & pos) const;
- ///
- void CheckParagraphInTable(LyXParagraph * par,
- LyXParagraph::size_type pos);
+ /// returns false if inset wasn't found
+ bool updateInset(BufferView *, Inset *);
///
- void InsertCharInTable(char c);
- ///
- void BackspaceInTable();
- ///
- bool HitInTable(Row * row, int x) const;
- ///
- bool MouseHitInTable(int x, long y) const;
- /* 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();
- mutable bool undo_finished;
- /// a flag
- bool undo_frozen;
+ void checkParagraph(BufferView *, Paragraph * par, lyx::pos_type pos);
///
- void SetUndo(Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end) const;
+ int numberOfCell(Paragraph * par, lyx::pos_type pos) const;
///
- void SetRedo(Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end);
+ void removeTableRow(LyXCursor & cursor) const;
///
- Undo * CreateUndo(Undo::undo_kind kind,
- LyXParagraph const * before,
- LyXParagraph const * end) const;
- /// for external use in lyx_cb.C
- void SetCursorParUndo();
+ bool isEmptyTableCell() const;
///
- void CursorLeftIntern() const;
+ void toggleAppendix(BufferView *);
///
- void CursorRightIntern() const;
+ int workWidth(BufferView *) const;
///
- void RemoveTableRow(LyXCursor * cursor) const;
+ int workWidth(BufferView *, Inset * inset) const;
///
- bool IsEmptyTableCell() 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];
+ }
///
- void toggleAppendix();
+ inline
+ lyx::pos_type bidi_level(lyx::pos_type pos) const {
+ if (bidi_start == -1)
+ return 0;
+ else
+ return bidi_levels[pos-bidi_start];
+ }
///
- unsigned short paperWidth() const { return paperwidth; }
+ inline
+ bool bidi_InRange(lyx::pos_type pos) const {
+ return bidi_start == -1 ||
+ (bidi_start <= pos && pos <= bidi_end);
+ }
private:
- ///
- BufferView * owner_;
-
- /// width of the paper
- unsigned short paperwidth;
-
///
mutable Row * firstrow;
+
///
mutable Row * lastrow;
-
- /** Copybuffer for copy environment type
+
+ /** 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;
-
- /// the currentrow is needed to access rows faster*/
- mutable Row * currentrow; // pointer to the current row
- /// position in the text
- mutable long currentrow_y;
-
+ string copylayouttype;
/** inserts a new row behind the specified row, increments
- * the touched counters */
- void InsertRow(Row * row, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ 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;
+ void removeRow(Row * row) const;
/** remove all following rows of the paragraph of the specified row. */
- void RemoveParagraph(Row * row) const;
+ void removeParagraph(Row * row) const;
/** insert the specified paragraph behind the specified row */
- void InsertParagraph(LyXParagraph * par, Row * row) const;
+ 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) const;
-
+ void appendParagraph(BufferView *, Row * row) const;
+
///
- void BreakAgain(Row * row) const;
+ void breakAgain(BufferView *, Row * row) const;
///
- void BreakAgainOneRow(Row * row);
+ void breakAgainOneRow(BufferView *, Row * row);
/// Calculate and set the height of the row
- void SetHeightOfRow(Row * row_ptr) const;
+ 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,
+ * 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;
- ///
- void DeleteEmptyParagraphMechanism(LyXCursor const & old_cursor) const;
+ /// A struct used for drawing routines
+ struct DrawRowParams {
+ // the bufferview
+ BufferView * bv;
+ // the row
+ Row * row;
+ // the painter to use
+ Painter * pain;
+ // has the background been cleared
+ bool cleared;
+ /// x offset (e.g. for insets)
+ int xo;
+ /// y offset (e.g. for insets)
+ int yo;
+ /// FIXME
+ float x;
+ /// FIXME
+ int y;
+ /// the inset/view full width
+ int width;
+ /// hfill size
+ float hfill;
+ /// label hfill size
+ float label_hfill;
+ /// fill separator size
+ float separator;
+ };
+
+ /// paint the background
+ bool paintRowBackground(DrawRowParams & p);
+
+ /// paint the selection background
+ void paintRowSelection(DrawRowParams & p);
+
+ /// paint appendix marker
+ void paintRowAppendix(DrawRowParams & p);
+
+ /// paint page break marker. Returns its height.
+ int paintPageBreak(string const & label, int y, DrawRowParams & p);
+
+ /// paint env depth bar
+ void paintRowDepthBar(DrawRowParams & p);
+
+ /// get the on-screen size of the length marker
+ int getLengthMarkerHeight(BufferView * bv, VSpace const & vsp) const;
+
+ /// paint an added space marker
+ int drawLengthMarker(DrawRowParams & p, string const & str,
+ VSpace const & vsp, int start);
+
+ /// paint a first row in a paragraph
+ void paintFirstRow(DrawRowParams & p);
+
+ /// paint a last row in a paragraph
+ void paintLastRow(DrawRowParams & p);
+
+ /// paint text
+ void paintRowText(DrawRowParams & p);
+
+ // fix the cursor `cur' after a characters has been deleted at `where'
+ // position. Called by deleteEmptyParagraphMechanism
+ void fixCursorAfterDelete(BufferView * bview,
+ 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) const;
+ * with a dynamic left margin will be rebroken. */
+ void updateCounters(BufferView *, Row * row) const;
+private:
///
- void SetCounter(LyXParagraph * par) const;
-
+ void setCounter(Buffer const *, Paragraph * par) const;
+
/*
* some low level functions
*/
-
- ///
- int SingleWidth(LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+
///
- int SingleWidth(LyXParagraph * par,
- LyXParagraph::size_type pos, char c) const;
+ int singleWidth(BufferView *, Paragraph * par,
+ lyx::pos_type pos) const;
///
- void draw(Row const * row,
- LyXParagraph::size_type & pos,
- 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
- LyXParagraph::size_type NextBreakPoint(Row const * row,
- int width) const;
+ 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 const * row, int paperwidth) const;
-
+ int fill(BufferView *, Row * row, int workwidth) const;
+
/** returns the minimum space a manual label needs on the
- screen in pixel */
- int LabelFill(Row const * row) const;
+ screen in pixel */
+ int labelFill(BufferView *, Row const * row) const;
///
- LyXParagraph::size_type BeginningOfMainBody(LyXParagraph * 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(Row const * row) const;
+ lyx::pos_type beginningOfMainBody(Buffer const *, Paragraph const * par) const;
+
+ /**
+ * Returns the left beginning of the text.
+ * This information cannot be taken from the layout object, because
+ * in LaTeX the beginning of the text fits in some cases
+ * (for example sections) exactly the label-width.
+ */
+ int leftMargin(BufferView *, Row const * row) const;
///
- int RightMargin(Row const * row) const;
+ int rightMargin(Buffer const *, Row const * row) const;
///
- int LabelEnd (Row const * row) 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(Row const * row) const;
+ */
+ int numberOfSeparators(Buffer const *, Row const * row) 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(Row const * row) const;
-
- /// like NumberOfHfills, but only those in the manual label!
- int NumberOfLabelHfills(Row const * row) const;
+ int numberOfHfills(Buffer const *, Row const * row) const;
- /** returns true, if a expansion is needed. Rules are given by
+ /// 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(Row const * row_ptr,
- LyXParagraph::size_type pos) const;
-
+ bool hfillExpansion(Buffer const *, Row const * row_ptr,
+ lyx::pos_type pos) const;
///
- mutable vector<LyXParagraph::size_type> log2vis_list;
+ LColor::color backgroundColor();
- ///
- mutable vector<LyXParagraph::size_type> vis2log_list;
///
- mutable LyXParagraph::size_type bidi_start;
+ mutable std::vector<lyx::pos_type> log2vis_list;
///
- void ComputeBidiTables(Row *row) const;
+ mutable std::vector<lyx::pos_type> vis2log_list;
///
- void ComputeBidiTablesFromTo(Row *row,
- LyXParagraph::size_type from,
- LyXParagraph::size_type to,
- LyXParagraph::size_type offset) const;
+ mutable std::vector<lyx::pos_type> bidi_levels;
- /// 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];
- }
+ ///
+ mutable lyx::pos_type 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];
- }
+ ///
+ mutable lyx::pos_type bidi_end;
///
- unsigned char TransformChar(unsigned char c, Letter_Form form) const;
+ mutable bool bidi_same_direction;
///
- unsigned char TransformChar(unsigned char c, LyXParagraph * par,
- LyXParagraph::size_type pos) const;
+ unsigned char transformChar(unsigned char c, Paragraph * par,
+ lyx::pos_type pos) const;
- /** returns the paragraph position of the last character in the
+ /** returns the paragraph position of the last character in the
specified row
*/
- LyXParagraph::size_type RowLast(Row const * row) const;
+ 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;
};
#endif
projects / lyx.git / blobdiff