X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FTextMetrics.h;h=6f5cf687336514ca747e6d298f557d5812bd59ed;hb=f5f8c6fd3828285b67e43a9c16d4ac2ff2140944;hp=be44d4f45ae506bd3aaee7597d486021546d4700;hpb=742bf1b950cf3863c3ea3c50080d62616408c5e6;p=lyx.git diff --git a/src/TextMetrics.h b/src/TextMetrics.h index be44d4f45a..6f5cf68733 100644 --- a/src/TextMetrics.h +++ b/src/TextMetrics.h @@ -15,6 +15,8 @@ #define TEXT_METRICS_H #include "Font.h" +#include "InsetList.h" +#include "LayoutEnums.h" #include "ParagraphMetrics.h" #include "support/types.h" @@ -33,10 +35,10 @@ class TextMetrics { public: /// Default constructor (only here for STL containers). - TextMetrics() : text_(0) {} + TextMetrics() : bv_(0), text_(0), main_text_(false), max_width_(0) {} /// The only useful constructor. TextMetrics(BufferView *, Text *); - + /// bool contains(pit_type pit) const; /// @@ -46,9 +48,6 @@ public: /// std::pair last() const; - /// - int parPosition(pit_type pit) const; - /// Dimension const & dimension() const { return dim_; } /// @@ -102,35 +101,26 @@ public: int descent() const { return dim_.des; } /// current text width. int width() const { return dim_.wid; } - /// current text heigth. + /// current text height. int height() const { return dim_.height(); } /// int maxWidth() const { return max_width_; } - /// - int singleWidth(pit_type const pit, pos_type pos) const; /// int rightMargin(ParagraphMetrics const & pm) const; int rightMargin(pit_type const pit) 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; - /// void draw(PainterInfo & pi, int x, int y) 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. - Dimension rowHeight( - pit_type const pit, - pos_type const first, - pos_type const end, - bool topBottomSpace = true) const; + void setRowHeight(Row & row, pit_type const pit, + bool topBottomSpace = true) const; private: /// @@ -144,31 +134,24 @@ private: /// sets row.end to the pos value *after* which a row should break. /// for example, the pos after which isNewLine(pos) == true - pos_type rowBreakPoint( - int width, - pit_type const pit, - pos_type first - ) const; - - /// returns the minimum space a row needs on the screen in pixel - int rowWidth( - int right_margin, - pit_type const pit, - pos_type const first, - pos_type const end - ) const; - - /// draw selection for a single row - void drawRowSelection(PainterInfo & pi, int x, Row const & row, - Cursor const & cur, pit_type const pit) const; + void breakRow(Row & row, int right_margin, pit_type const pit) const; + + // Expand 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(pit_type pit, Row & row, int width) const; + + // Helper function for the other checkInsetHit method. + InsetList::InsetTable * checkInsetHit(pit_type pit, int x, int y); + // Temporary public: public: - /// returns the column near the specified x-coordinate of the row. + /// 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. - pos_type getColumnNearX(pit_type pit, Row const & row, int & x, - bool & boundary) const; + /// 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. pos_type x2pos(pit_type pit, int row, int x) const; @@ -179,7 +162,7 @@ public: /// 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, + Row const & getPitAndRowNearY(int & y, pit_type & pit, bool assert_in_view, bool up); /// returns the paragraph number closest to screen y-coordinate. @@ -195,7 +178,7 @@ public: \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 + \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 */ @@ -208,12 +191,16 @@ public: /// 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 & cursor, bool boundary) const; /// - int cursorY(CursorSlice const & cursor, - bool boundary) const; + int cursorY(CursorSlice const & cursor, bool boundary) const; /// bool cursorHome(Cursor & cur); @@ -243,7 +230,7 @@ public: 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, + void completionPosAndDim(Cursor const & cur, int & x, int & y, Dimension & dim) const; private: @@ -270,7 +257,7 @@ public: /// our 'outermost' font. /// This is handed down from the surrounding /// inset through the pi/mi parameter (pi.base.font) - /// It is used in applyOuterFont() and setCharFont() for reasons + /// It is used in applyOuterFont() and setCharFont() for reasons /// that are not clear... to hand hand the outermost language and /// also for char style apparently. Font font_;