pos_type first, last;
};
+/// Helper class for Paragraph Metrics.
+/// \todo FIXME: this class deserves its own .[Ch] files.
+/// Then, the storage of such object should be done in \c BufferView
+/// (most probably in the \c CoordCache class along \c Point objects).
+class ParagraphMetrics {
+public:
+ ParagraphMetrics();
+ ParagraphMetrics(ParagraphMetrics const & pm);
+ ParagraphMetrics & operator=(ParagraphMetrics const & pm);
+ ///
+ Row & getRow(pos_type pos, bool boundary);
+ ///
+ Row const & getRow(pos_type pos, bool boundary) const;
+ ///
+ size_t pos2row(pos_type pos) const;
+
+ /// LyXText::redoParagraph updates this
+ Dimension & dim() { return dim_; }
+ /// total height of paragraph
+ unsigned int height() const { return dim_.height(); }
+ /// total width of paragraph, may differ from workwidth
+ unsigned int width() const { return dim_.width(); }
+ /// ascend of paragraph above baseline
+ unsigned int ascent() const { return dim_.ascent(); }
+ /// descend of paragraph below baseline
+ unsigned int descent() const { return dim_.descent(); }
+ /// LyXText updates the rows using this access point
+ RowList & rows() { return rows_; }
+ /// The painter and others use this
+ RowList const & rows() const { return rows_; }
+ ///
+ RowSignature & rowSignature() const { return rowSignature_; }
+
+ /// dump some information to lyxerr
+ void dump() const;
+
+private:
+ ///
+ mutable RowList rows_;
+ ///
+ mutable RowSignature rowSignature_;
+ /// cached dimensions of paragraph
+ Dimension dim_;
+};
+
/// A Paragraph holds all text, attributes and insets in a text paragraph
-class Paragraph {
+/// \todo FIXME: any reference to ParagraphMetrics (including inheritance)
+/// should go in order to complete the Model/View separation of this class.
+class Paragraph: public ParagraphMetrics {
public:
///
enum {
///
bool empty() const { return text_.empty(); }
///
- void setContentsFromPar(Paragraph const & par);
- ///
void clearContents();
///
/// is there a change within the given range ?
bool isChanged(pos_type start, pos_type end) const;
+ /// is there an unchanged char at the given pos ?
+ bool isUnchanged(pos_type pos) const {
+ return lookupChange(pos).type == Change::UNCHANGED;
+ }
+ /// is there an insertion at the given pos ?
+ bool isInserted(pos_type pos) const {
+ return lookupChange(pos).type == Change::INSERTED;
+ }
/// is there a deletion at the given pos ?
bool isDeleted(pos_type pos) const {
return lookupChange(pos).type == Change::DELETED;
}
+ /// will the paragraph be physically merged with the next
+ /// one if the imaginary end-of-par character is logically deleted?
+ bool isMergedOnEndOfParDeletion(bool trackChanges) const;
+
/// set change for the entire par
void setChange(Change const & change);
/// set change at given pos
void setChange(pos_type pos, Change const & change);
- /// accept change
- void acceptChange(pos_type start, pos_type end);
+ /// accept changes within the given range
+ void acceptChanges(pos_type start, pos_type end);
- /// reject change
- void rejectChange(pos_type start, pos_type end);
+ /// reject changes within the given range
+ void rejectChanges(pos_type start, pos_type end);
/// Paragraphs can contain "manual labels", for example, Description
/// environment. The text for this user-editable label is stored in
docstring const getLabelWidthString() const;
///
void setLabelWidthString(docstring const & s);
- ///
+ /// Actual paragraph alignment used
char getAlign() const;
/// The nesting depth of a paragraph
depth_type getDepth() const;
///
void applyLayout(LyXLayout_ptr const & new_layout);
- /// erase the char at the given position
- bool erase(pos_type pos, bool trackChanges);
- /// erase the given range. Returns the number of chars actually erased
- int erase(pos_type start, pos_type end, bool trackChanges);
+ /// (logically) erase the char at pos; return true if it was actually erased
+ bool eraseChar(pos_type pos, bool trackChanges);
+ /// (logically) erase the given range; return the number of chars actually erased
+ int eraseChars(pos_type start, pos_type end, bool trackChanges);
/** Get uninstantiated font setting. Returns the difference
between the characters font and the layoutfont.
value_type getChar(pos_type pos) const { return text_[pos]; }
/// Get the char, but mirror all bracket characters if it is right-to-left
value_type getUChar(BufferParams const &, pos_type pos) const;
- /// The position must already exist.
- void setChar(pos_type pos, value_type c);
/// pos <= size() (there is a dummy font change at the end of each par)
void setFont(pos_type pos, LyXFont const & font);
/// Returns the height of the highest font in range
LyXFont_size highestFontInRange(pos_type startpos,
pos_type endpos, LyXFont_size def_size) const;
///
- void insert(pos_type pos, std::string const & str,
+ void insert(pos_type pos, docstring const & str,
LyXFont const & font, Change const & change);
///
void insertChar(pos_type pos, value_type c, bool trackChanges);
ParagraphParameters & params();
///
ParagraphParameters const & params() const;
-
- ///
- Row & getRow(pos_type pos, bool boundary);
- ///
- Row const & getRow(pos_type pos, bool boundary) const;
- ///
- size_t pos2row(pos_type pos) const;
-
- /// total height of paragraph
- unsigned int height() const { return dim_.height(); }
- /// total width of paragraph, may differ from workwidth
- unsigned int width() const { return dim_.width(); }
- /// ascend of paragraph above baseline
- unsigned int ascent() const { return dim_.ascent(); }
- /// descend of paragraph below baseline
- unsigned int descent() const { return dim_.descent(); }
- /// LyXText updates the rows using this access point
- RowList & rows() { return rows_; }
- /// The painter and others use this
- RowList const & rows() const { return rows_; }
- ///
- RowSignature & rowSignature() const { return rowSignature_; }
///
bool hfillExpansion(Row const & row, pos_type pos) const;
- /// LyXText::redoParagraph updates this
- Dimension & dim() { return dim_; }
-
- /// dump some information to lyxerr
- void dump() const;
-
public:
///
InsetList insetlist;
private:
- /// cached dimensions of paragraph
- Dimension dim_;
-
- ///
- mutable RowList rows_;
- ///
- mutable RowSignature rowSignature_;
///
LyXLayout_ptr layout_;
Pimpl * pimpl_;
};
-
} // namespace lyx
#endif // PARAGRAPH_H
projects / lyx.git / blobdiff