#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), main_text_(false), 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;
///
- 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);
+
+ /// 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(); }
- ///
- int maxWidth() const { return max_width_; }
+ /**
+ * 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;
void drawParagraph(PainterInfo & pi, pit_type pit, int x, int y) const;
- /// Returns the height of the row (width member is set to 0).
- /// If \c topBottomSpace is true, extra space is added for the
- /// top and bottom row.
- void setRowHeight(Row & row, pit_type const pit,
- bool topBottomSpace = true) const;
-
private:
///
ParagraphMetrics & parMetrics(pit_type, bool redo_paragraph);
/// the minimum space a manual label needs on the screen in pixels
- int labelFill(pit_type const pit, Row const & row) const;
+ int labelFill(Row const & row) const;
+
+ // Turn paragraph oh index \c pit into a single row
+ Row tokenizeParagraph(pit_type pit) const;
- /// FIXME??
- int labelEnd(pit_type const pit) const;
+ // Break the row produced by tokenizeParagraph() into a list of rows.
+ RowList breakParagraph(Row const & row) const;
- /// sets row.end to the pos value *after* which a row should break.
- /// for example, the pos after which isNewLine(pos) == true
- void breakRow(Row & row, int right_margin, pit_type const pit) const;
+ // Expands the alignment of row \param row in paragraph \param par
+ LyXAlignment getAlign(Paragraph const & par, Row const & row) const;
+ /// Aligns properly the row contents (computes spaces and fills)
+ void setRowAlignment(Row & row, int width) const;
- // Expand the alignment of paragraph \param par at position \param pos
- LyXAlignment getAlign(Paragraph const & par, pos_type pos) const;
- /** this calculates the specified parameters. needed when setting
- * the cursor and when creating a visible row */
- void computeRowMetrics(pit_type pit, Row & row, int width) const;
+ /// Set the height of the row (without space above/below paragraph)
+ void setRowHeight(Row & row) const;
+ // Compute the space on top of a paragraph
+ int parTopSpacing(pit_type pit) const;
+ // Compute the space below a a paragraph
+ 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:
public:
/// returns the position near the specified x-coordinate of the row.
/// x is an absolute screen coord, it is set to the real beginning
- /// of this column.
+ /// of this column. This takes in account horizontal cursor row scrolling.
pos_type getPosNearX(Row const & row, int & x, bool & boundary) const;
/// returns pos in given par at given x coord.
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
+ \retval inset is null if the cursor is positioned over normal
+ text in the current Text object. Otherwise it is the inset
+ that the cursor points to, like for Inset::editXY.
*/
/// FIXME: cleanup to use BufferView::getCoveringInset() and
/// setCursorFromCoordinates() instead of checkInsetHit().
/// x,y are screen coordinates
void setCursorFromCoordinates(Cursor & cur, int x, int y);
- /// Helper function: find row element that contains pos, and
- /// compute x offset.
- Row::const_iterator const
- findRowElement(Row const & row, pos_type const pos,
- bool const boundary, double & x) const;
-
///
- 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(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;
/// The BufferView owner.
BufferView * bv_;
/// \todo FIXME: this should be const.
Text * text_;
- bool main_text_;
/// A map from paragraph index number to paragraph metrics
typedef std::map<pit_type, ParagraphMetrics> ParMetricsCache;
///
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:
projects / lyx.git / blobdiff