#include "support/types.h"
+#include <map>
+
namespace lyx {
class BufferView;
class Cursor;
class CursorSlice;
-class DocIterator;
class MetricsInfo;
class Text;
void operator=(TextMetrics const &);
public:
/// Default constructor (only here for STL containers).
- TextMetrics() : bv_(0), text_(0), max_width_(0) {}
+ TextMetrics() : bv_(0), text_(0), max_width_(0), tight_(false) {}
/// The only useful constructor.
TextMetrics(BufferView *, Text *);
///
bool contains(pit_type pit) const;
///
+ void forget(pit_type pit);
+ ///
std::pair<pit_type, ParagraphMetrics const *> first() const;
///
+ std::pair<pit_type, ParagraphMetrics const *> firstVisible() const;
+ ///
std::pair<pit_type, ParagraphMetrics const *> last() const;
/// is this row the last in the text?
bool isLastRow(Row const & row) const;
///
Point const & origin() const { return origin_; }
-
///
ParagraphMetrics const & parMetrics(pit_type) const;
+ ///
+ ParagraphMetrics & parMetrics(pit_type);
+
///
void newParMetricsDown();
///
void newParMetricsUp();
+ /// Update metrics up to \c bv_height. Only usable for main text (for now).
+ void updateMetrics(pit_type const anchor_pit, int const anchor_ypos,
+ int const bv_height);
+
/// compute text metrics.
- bool metrics(MetricsInfo & mi, Dimension & dim, int min_width = 0,
- bool const expand_on_multipars = true);
+ bool metrics(MetricsInfo const & mi, Dimension & dim, int min_width = 0);
/// The "nodraw" drawing stage for one single paragraph: set the
- /// positions of the insets contained this paragraph in metrics
+ /// 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
+ /// 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
/// are allowed to make cosmetic improvements. For instance make footnotes
/// smaller. (Asger)
Font displayFont(pit_type pit, pos_type pos) const;
+ /// Gets the fully instantiated label font of a paragraph.
+ /// Basically the same routine as displayFont, but specialized for
+ /// a layout font.
+ Font labelDisplayFont(pit_type pit) const;
+
+
/// There are currently two font mechanisms in LyX:
/// 1. The font attributes in a lyxtext, and
/// 2. The inset-specific font properties, defined in an inset's
/// 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.
/// 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;
///
ParagraphMetrics & parMetrics(pit_type, bool redo_paragraph);
- /**
- * 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(pit_type pit, pos_type pos) const;
- int leftMargin(pit_type pit) const;
-
/// the minimum space a manual label needs on the screen in pixels
int labelFill(Row const & row) const;
- /// FIXME??
- int labelEnd(pit_type const pit) const;
+ // Turn paragraph oh index \c pit into a single row
+ Row tokenizeParagraph(pit_type pit) const;
- /// sets row.end to the pos value *after* which a row should break.
- /// for example, the pos after which isNewLine(pos) == true
- /// \return true when another row is required (after a newline)
- bool breakRow(Row & row, int right_margin) const;
+ // Break the row produced by tokenizeParagraph() into a list of rows.
+ RowList breakParagraph(Row const & row) const;
// Expands the alignment of row \param row in paragraph \param par
LyXAlignment getAlign(Paragraph const & par, Row const & row) const;
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);
Dimension & dim) const;
private:
- friend class BufferView;
/// The BufferView owner.
BufferView * bv_;
mutable ParMetricsCache par_metrics_;
Dimension dim_;
int max_width_;
+ /// if true, do not expand insets to max width artificially
+ bool tight_;
mutable Point origin_;
// temporary public: