// -*- C++ -*-
/* This file is part of
- * ======================================================
- *
+ * ======================================================
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
LyXText(BufferView *);
///
LyXText(InsetText *);
-
+
/// Destructor
~LyXText();
mutable LyXFont real_current_font;
/// first visible pixel-row is set from LyXScreen!!!
// unsigned is wrong here for text-insets!
- int first;
+ int first_y;
///
BufferView * bv_owner;
///
LyXFont const getLabelFont(Buffer const *, Paragraph * par) const;
///
void setCharFont(Buffer const *, Paragraph * par,
- lyx::pos_type pos, LyXFont const & font);
+ lyx::pos_type pos, LyXFont const & font);
void setCharFont(BufferView *, Paragraph * par,
- lyx::pos_type pos, LyXFont const & font, bool toggleall);
- /// returns a pointer to the very first Paragraph
- Paragraph * firstParagraph() const;
-
+ lyx::pos_type pos, LyXFont const & font, bool toggleall);
+
/// what you expect when pressing <enter> at cursor position
void breakParagraph(BufferView *, char keep_layout = 0);
those paragraphs
*/
Paragraph * setLayout(BufferView *, LyXCursor & actual_cursor,
- LyXCursor & selection_start,
- LyXCursor & selection_end,
- lyx::layout_type layout);
+ LyXCursor & selection_start,
+ LyXCursor & selection_end,
+ string const & layout);
///
- void setLayout(BufferView *, lyx::layout_type 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
+
+ /** 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
+
+ /** decrement depth over selection and make a total rebreak of those
paragraphs */
void decDepth(BufferView *);
/** 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);
-
+
/** 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 redoParagraph(BufferView *) const;
-
+
///
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(BufferView *, LyXCursor const & cursor);
-
- /** forces the redrawing of a paragraph. Needed when manipulating a
+
+ /** 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
+
+ /** 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 insertInset(BufferView *, Inset * inset);
-
- /** Completes the insertion with a full rebreak.
- Returns true if something was broken. */
- bool fullRebreak(BufferView *);
+
+ /** Completes the insertion with a full rebreak. */
+ void fullRebreak(BufferView *);
///
mutable Row * need_break_row;
///
void status(BufferView *, text_status) const;
-private:
+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
+
+ /** 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;
-
+
/** 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;
-
+
/** 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
/** The structure that keeps track of the selections set. */
struct Selection {
- Selection()
+ Selection()
: set_(false), mark_(false)
{}
bool set() const {
mark_ = m;
}
LyXCursor cursor; // temporary cursor to hold a cursor position
- // until setSelection is called!
+ // 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;
+ 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;
///
string const selectionAsString(Buffer const *, bool label) const;
-
+
/// select the word we need depending on word_location
- void getWord(LyXCursor & from, LyXCursor & to,
+ 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.
+ /** '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;
///
void selectSelectedWord(BufferView *);
- ///
- void setCursor(BufferView *, Paragraph * par,
+ /// 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;
bool setfont = true,
bool boundary = false) const;
///
+ float getCursorX(BufferView *, Row *, lyx::pos_type pos,
+ lyx::pos_type last, bool boundary) const;
+ ///
void setCurrentFont(BufferView *) const;
///
void setCursorFromCoordinates(BufferView *, LyXCursor &,
int x, int y) const;
///
- void cursorUp(BufferView *) const;
+ void cursorUp(BufferView *, bool selecting = false) const;
///
- void cursorDown(BufferView *) const;
+ void cursorDown(BufferView *, bool selecting = false) const;
///
void cursorLeft(BufferView *, bool internal = true) const;
///
///
void deleteLineForward(BufferView *);
///
- bool selectWordWhenUnderCursor(BufferView *,
+ bool selectWordWhenUnderCursor(BufferView *,
word_location const);
///
enum TextCase {
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 toggleInset(BufferView *);
///
void cutSelection(BufferView *, bool doclear = true, bool realcut = true);
/** 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,
bool pagebreak_top, bool pagebreak_bottom,
VSpace const & space_top,
VSpace const & space_bottom,
Spacing const & spacing,
- LyXAlignment align,
+ LyXAlignment align,
string labelwidthstring,
bool noindent);
///
/* for the greater insets */
-
+
/// returns false if inset wasn't found
bool updateInset(BufferView *, Inset *);
///
return 0;
else
return bidi_levels[pos-bidi_start];
- }
+ }
///
inline
bool bidi_InRange(lyx::pos_type pos) const {
private:
///
mutable Row * firstrow;
+
///
mutable Row * lastrow;
Asger has learned that this should be a buffer-property instead
Lgb has learned that 'char' is a lousy type for non-characters
*/
- lyx::layout_type copylayouttype;
-
+ 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;
/** 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 setHeightOfRow(BufferView *, Row * row_ptr) const;
/** this calculates the specified parameters. needed when setting
- * the cursor and when creating a visible row */
+ * the cursor and when creating a visible row */
void prepareToPrint(BufferView *, Row * row, float & x,
- float & fill_separator,
+ 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;
+ BufferView * bv;
// the row
Row * row;
// the painter to use
- Painter * pain;
+ Painter * pain;
// has the background been cleared
bool cleared;
- /// x offset
+ /// x offset (e.g. for insets)
int xo;
- /// y offset
+ /// y offset (e.g. for insets)
int yo;
/// FIXME
float x;
/// fill separator size
float separator;
};
-
+
/// paint the background
bool paintRowBackground(DrawRowParams & p);
-
- /// paint the selection background
+
+ /// paint the selection background
void paintRowSelection(DrawRowParams & p);
/// paint appendix marker
void paintRowAppendix(DrawRowParams & p);
-
- /// paint env depth bar
- void paintRowDepthBar(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;
-
- ///
- void deleteEmptyParagraphMechanism(BufferView *,
+
+ /// 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. */
+ * with a dynamic left margin will be rebroken. */
void updateCounters(BufferView *, Row * row) const;
private:
///
void setCounter(Buffer const *, Paragraph * par) const;
-
+
/*
* some low level functions
*/
-
+
///
int singleWidth(BufferView *, Paragraph * par,
lyx::pos_type pos) const;
///
int singleWidth(BufferView *, Paragraph * par,
lyx::pos_type pos, char c) const;
- ///
- void draw(BufferView *, Row const * row,
- lyx::pos_type & pos, int offset, float & x, bool cleared);
+
+
+ /// 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
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;
-
+
/** returns the minimum space a manual label needs on the
- screen in pixel */
+ screen in pixel */
int labelFill(BufferView *, 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 layouts-objekt, because
- in LaTeX the beginning of the text fits in some cases
- (for example sections) exactly the label-width.
- */
+
+ /**
+ * 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;
/** 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;
/** returns the number of hfills in the specified row. The
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
+ /** 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();
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
*/
lyx::pos_type rowLast(Row const * row) const;
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