#include "support/types.h"
+#include <map>
+
namespace lyx {
class BufferView;
class Cursor;
class CursorSlice;
-class DocIterator;
class MetricsInfo;
class Text;
/// A map from a Text to the map of paragraphs metrics
class TextMetrics
{
+ /// noncopyable
+ TextMetrics(TextMetrics const &);
+ void operator=(TextMetrics const &);
public:
/// Default constructor (only here for STL containers).
TextMetrics() : bv_(0), text_(0), max_width_(0) {}
///
bool contains(pit_type pit) const;
///
- ParagraphMetrics const & parMetrics(pit_type) const;
- ///
std::pair<pit_type, ParagraphMetrics const *> first() const;
///
std::pair<pit_type, ParagraphMetrics const *> last() const;
+ /// is this row the last in the text?
+ bool isLastRow(Row const & row) const;
+ /// is this row the first in the text?
+ bool isFirstRow(Row const & row) const;
+ ///
+ void setRowChanged(pit_type pit, pos_type pos);
///
- Dimension const & dimension() const { return dim_; }
+ Dimension const & dim() const { return dim_; }
///
Point const & origin() const { return origin_; }
-
- /// compute text metrics.
- bool metrics(MetricsInfo & mi, Dimension & dim, int min_width = 0);
+ ///
+ ParagraphMetrics const & parMetrics(pit_type) const;
+ ///
+ ParagraphMetrics & parMetrics(pit_type);
///
void newParMetricsDown();
///
void newParMetricsUp();
+ /// compute text metrics.
+ bool metrics(MetricsInfo const & mi, Dimension & dim, int min_width = 0,
+ bool const expand_on_multipars = true);
+
+ /// The "nodraw" drawing stage for one single paragraph: set the
+ /// positions of the insets contained in this paragraph in metrics
+ /// cache. Related to BufferView::updatePosCache.
+ void updatePosCache(pit_type pit) const;
+
/// Gets the fully instantiated font at a given position in a paragraph
/// Basically the same routine as Paragraph::getFont() in Paragraph.cpp.
/// The difference is that this one is used for displaying, and thus we
/// is this position in the paragraph right-to-left?
bool isRTL(CursorSlice const & sl, bool boundary) const;
/// is between pos-1 and pos an RTL<->LTR boundary?
- bool isRTLBoundary(pit_type pit,
- pos_type pos) const;
+ bool isRTLBoundary(pit_type pit, pos_type pos) const;
/// would be a RTL<->LTR boundary between pos and the given font?
- bool isRTLBoundary(pit_type pit,
- pos_type pos, Font const & font) const;
+ bool isRTLBoundary(pit_type pit, pos_type pos, Font const & font) const;
/// Rebreaks the given paragraph.
/// \retval true if a full screen redraw is needed.
/// \retval false if a single paragraph redraw is enough.
- bool redoParagraph(pit_type const pit);
+ bool redoParagraph(pit_type const pit, bool align_rows = true);
/// Clear cache of paragraph metrics
void clear() { par_metrics_.clear(); }
+ /// Is cache of paragraph metrics empty ?
+ bool empty() const { return par_metrics_.empty(); }
///
int ascent() const { return dim_.asc; }
/// current text height.
int height() const { return dim_.height(); }
+ /**
+ * Returns the left beginning of a row starting at \c pos.
+ * 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(pit_type pit, pos_type pos) const;
+ /// Return the left beginning of a row which is not the first one.
+ /// This is the left margin when there is no indentation.
+ int leftMargin(pit_type pit) const;
+
///
int rightMargin(ParagraphMetrics const & pm) const;
int rightMargin(pit_type const pit) const;
/// \return true when another row is required (after a newline)
bool breakRow(Row & row, int right_margin) const;
- // Expand the alignment of row \param row in paragraph \param par
+ // Expands the alignment of row \param row in paragraph \param par
LyXAlignment getAlign(Paragraph const & par, Row const & row) const;
- /** this calculates the specified parameters. needed when setting
- * the cursor and when creating a visible row */
- void computeRowMetrics(Row & row, int width) const;
+ /// Aligns properly the row contents (computes spaces and fills)
+ void setRowAlignment(Row & row, int width) const;
/// Set the height of the row (without space above/below paragraph)
void setRowHeight(Row & row) const;
int parBottomSpacing(pit_type pit) const;
// Helper function for the other checkInsetHit method.
- InsetList::InsetTable * checkInsetHit(pit_type pit, int x, int y);
+ InsetList::Element * checkInsetHit(pit_type pit, int x, int y);
// Temporary public:
void setCursorFromCoordinates(Cursor & cur, int x, int y);
///
- int cursorX(CursorSlice const & cursor, bool boundary) const;
+ int cursorX(CursorSlice const & sl, bool boundary) const;
///
- int cursorY(CursorSlice const & cursor, bool boundary) const;
+ int cursorY(CursorSlice const & sl, bool boundary) const;
///
bool cursorHome(Cursor & cur);
///
void deleteLineForward(Cursor & cur);
- /// is this row the last in the text?
- bool isLastRow(Row const & row) const;
- /// is this row the first in the text?
- bool isFirstRow(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;
/// The BufferView owner.
BufferView * bv_;