namespace lyx {
class BufferView;
-class Text;
+class DocIterator;
class MetricsInfo;
+class Text;
/// A map from a Text to the map of paragraphs metrics
class TextMetrics
///
void draw(PainterInfo & pi, int x, int y) const;
+ /// draw textselection
+ void drawSelection(PainterInfo & pi, int x, int y) const;
void drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const;
pos_type const end
) const;
+ /// draw selection for a single row
+ void drawRowSelection(PainterInfo & pi, int x, Row const & row,
+ DocIterator const & beg, DocIterator const & end,
+ bool drawOnBegMargin, bool drawOnEndMargin) const;
+
// Temporary public:
public:
/// returns the column near the specified x-coordinate of the row.
// FIXME: is there a need for this?
//int pos2x(pit_type pit, pos_type pos) const;
+ /** returns row near the specified
+ * y-coordinate in given paragraph (relative to the screen).
+ */
+ Row const & getRowNearY(int y,
+ pit_type pit) const;
+
+ /// returns the paragraph number closest to screen y-coordinate.
+ /// This method uses the BufferView CoordCache to locate the
+ /// paragraph. The y-coodinate is allowed to be off-screen and
+ /// the CoordCache will be automatically updated if needed. This is
+ /// the reason why we need a non const BufferView.
+ pit_type getPitNearY(int y);
+
+ /// sets cursor recursively descending into nested editable insets
+ /**
+ \return the inset pointer if x,y is covering that inset
+ \param x,y are absolute screen coordinates.
+ \retval inset is non-null if the cursor is positionned inside
+ */
+ /// FIXME: cleanup to use BufferView::getCoveringInset() and
+ /// setCursorFromCoordinates() instead of checkInsetHit().
+ Inset * editXY(Cursor & cur, int x, int y);
+
+ /// sets cursor only within this Text.
+ /// x,y are screen coordinates
+ void setCursorFromCoordinates(Cursor & cur, int x, int y);
+
+ ///
+ int cursorX(CursorSlice const & cursor,
+ bool boundary) const;
+ ///
+ int cursorY(CursorSlice const & cursor,
+ bool boundary) const;
+
+ ///
+ void cursorPrevious(Cursor & cur);
+ ///
+ void cursorNext(Cursor & cur);
+ ///
+ bool cursorHome(Cursor & cur);
+ ///
+ bool cursorEnd(Cursor & cur);
+ ///
+ void deleteLineForward(Cursor & cur);
+
+ /// is this row the last in the text?
+ bool isLastRow(pit_type pit, Row const & row) const;
+ /// is this row the first in the text?
+ bool isFirstRow(pit_type pit, Row const & row) const;
+
+ /// Returns an inset if inset was hit, or 0 if not.
+ /// \warning This method is not recursive! It will return the
+ /// outermost inset within this Text.
+ /// \sa BufferView::getCoveringInset() to get the innermost inset.
+ Inset * checkInsetHit(int x, int y);
+
+ /**
+ * 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(int max_width, pit_type pit, pos_type pos) const;
+ int leftMargin(int max_width, pit_type pit) const;
+
private:
/// The BufferView owner.