X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FRow.h;h=a51e3ceb912cefef657b80c71a83ddd3238d929f;hb=44cdffa39e9160bde46d824f1915f9ef3084b53e;hp=7725427b9be615d286e9ba0165fea49ba1f07c52;hpb=b8170e0e01f486fefb94b19566e24dd391419c12;p=lyx.git diff --git a/src/Row.h b/src/Row.h index 7725427b9b..a51e3ceb91 100644 --- a/src/Row.h +++ b/src/Row.h @@ -46,8 +46,6 @@ public: * correspond to any paragraph contents */ VIRTUAL, - // A stretchable space, basically - SEPARATOR, // An inset INSET, // Some spacing described by its width, not a string @@ -63,25 +61,39 @@ public: : type(t), pos(p), endpos(p + 1), inset(0), extra(0), font(f), change(ch), final(false) {} - // returns total width of element, including separator overhead - double width() const { return dim.wid + extra; }; - // returns position in pixels (from the left) of position - // \param i in the row element. - double pos2x(pos_type const i) const; + // Return total width of element, including separator overhead + double full_width() const { return dim.wid + extra * countSeparators(); } + // Return the number of separator in the element (only STRING type) + int countSeparators() const; + /** Return position in pixels (from the left) of position + * \param i in the row element. + */ + double pos2x(pos_type const i) const; /** Return character position that is the closest to * pixel position \param x. The value \param x is - * rounded to the actual pixel position. If \param - * short is true, the pixel value is rounded by - * default. + * adjusted to the actual pixel position. */ - pos_type x2pos(double &x, bool low = false) const; + pos_type x2pos(int &x) const; + /** Break the element if possible, so that its width is less + * than \param w. Returns true on success. When \param force + * is true, the string is cut at any place, other wise it + * respects the row breaking rules of characters. + */ + bool breakAt(int w, bool force); // Returns the position on left side of the element. pos_type left_pos() const; // Returns the position on right side of the element. pos_type right_pos() const; + // + bool isRTL() const { return font.isVisibleRightToLeft(); } + // This is true for virtual elements. + // Note that we do not use the type here. The two definitions + // should be equivalent + bool isVirtual() const { return pos == endpos; } + // The kind of row element Type type; // position of the element in the paragraph @@ -95,10 +107,10 @@ public: // Non-zero only if element is an inset Inset const * inset; - // Only non-null for separator elements + // Only non-null for justified rows double extra; - // Non-empty if element is a string or separator + // Non-empty if element is a string or is virtual docstring str; // Font font; @@ -151,13 +163,18 @@ public: Dimension & dimension() { return dim_; } /// int height() const { return dim_.height(); } - /// + /// The width of the row, including the left margin, but not the right one. int width() const { return dim_.wid; } /// int ascent() const { return dim_.asc; } /// int descent() const { return dim_.des; } + // Return the number of separators in the row + int countSeparators() const; + // Set the extra spacing for every separator in STRING elements + void setSeparatorExtraWidth(double w); + /// void add(pos_type pos, Inset const * ins, Dimension const & dim, Font const & f, Change const & ch); @@ -168,9 +185,6 @@ public: void addVirtual(pos_type pos, docstring const & s, Font const & f, Change const & ch); /// - void addSeparator(pos_type pos, char_type const c, - Font const & f, Change const & ch); - /// void addSpace(pos_type pos, int width, Font const & f, Change const & ch); /// @@ -209,7 +223,7 @@ public: * \param body_pos minimum amount of text to keep. * \param width maximum width of the row */ - void shorten_if_needed(pos_type const body_pos, int const width); + void shortenIfNeeded(pos_type const body_pos, int const width); /** * If last element of the row is a string, compute its width @@ -225,12 +239,12 @@ public: friend std::ostream & operator<<(std::ostream & os, Row const & row); - /// width of a separator (i.e. space) + /// additional width for separators in justified rows (i.e. space) double separator; /// width of hfills in the label double label_hfill; - /// the x position of the row (left margin) - double x; + /// the left margin position of the row + int left_margin; /// the right margin of the row int right_margin; ///