+ pos_type getPosNearX(Row const & row, int & x, bool & boundary) const;
+
+ /// returns pos in given par at given x coord.
+ pos_type x2pos(pit_type pit, int row, int x) const;
+
+ // FIXME: is there a need for this?
+ //int pos2x(pit_type pit, pos_type pos) const;
+
+ /// returns the row near the specified y-coordinate in a given paragraph
+ /// (relative to the screen). If assert_in_view is true, it is made sure
+ /// that the row is on screen completely; this might change the given pit.
+ Row const & getPitAndRowNearY(int & y, pit_type & pit,
+ bool assert_in_view, bool up);
+
+ /// 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.
+ \param assert_in_view if true the cursor will be set on a row
+ that is completely visible
+ \param up whether we are going up or down (only used when
+ assert_in_view is true
+ \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,
+ bool assert_in_view = false, bool up = true);
+
+ /// 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;
+
+ ///
+ 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;
+
+ /// calculates the position of a completion popup
+ void completionPosAndDim(Cursor const & cur, int & x, int & y,
+ Dimension & dim) const;
+
+private:
+ friend class BufferView;