3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS.
14 #include "insetvspace.h"
18 #include "dispatchresult.h"
19 #include "funcrequest.h"
24 #include "metricsinfo.h"
25 #include "outputparams.h"
27 #include "frontends/FontMetrics.h"
28 #include "frontends/Painter.h"
35 using std::istringstream;
37 using std::ostringstream;
44 int const ADD_TO_VSPACE_WIDTH = 5;
49 InsetVSpace::InsetVSpace(VSpace const & space)
54 InsetVSpace::~InsetVSpace()
56 InsetVSpaceMailer(*this).hideDialog();
60 std::auto_ptr<InsetBase> InsetVSpace::doClone() const
62 return std::auto_ptr<InsetBase>(new InsetVSpace(*this));
66 void InsetVSpace::doDispatch(LCursor & cur, FuncRequest & cmd)
70 case LFUN_INSET_MODIFY: {
71 InsetVSpaceMailer::string2params(to_utf8(cmd.argument()), space_);
75 case LFUN_MOUSE_RELEASE:
76 InsetVSpaceMailer(*this).showDialog(&cur.bv());
80 InsetBase::doDispatch(cur, cmd);
86 void InsetVSpace::read(Buffer const &, LyXLex & lex)
88 BOOST_ASSERT(lex.isOK());
96 if (end_token != "\\end_inset")
97 lex.printError("Missing \\end_inset at this point. "
102 void InsetVSpace::write(Buffer const &, ostream & os) const
104 os << "VSpace " << space_.asLyXCommand();
108 docstring const InsetVSpace::label() const
110 static docstring const label = _("Vertical Space");
111 return label + " (" + space_.asGUIName() + ')';
116 int const arrow_size = 4;
120 bool InsetVSpace::metrics(MetricsInfo & mi, Dimension & dim) const
122 int height = 3 * arrow_size;
123 if (space_.length().len().value() >= 0.0)
124 height = max(height, space_.inPixels(*mi.base.bv));
133 theFontMetrics(font).rectText(label(), w, a, d);
135 height = max(height, a + d);
137 dim.asc = height / 2 + (a - d) / 2; // align cursor with the
138 dim.des = height - dim.asc; // label text
139 dim.wid = ADD_TO_VSPACE_WIDTH + 2 * arrow_size + 5 + w;
140 bool const changed = dim_ != dim;
146 void InsetVSpace::draw(PainterInfo & pi, int x, int y) const
148 setPosCache(pi, x, y);
150 x += ADD_TO_VSPACE_WIDTH;
152 int const start = y - dim_.asc;
153 int const end = y + dim_.des;
155 // y-values for top arrow
157 // y-values for bottom arrow
160 if (space_.kind() == VSpace::VFILL) {
164 // adding or removing space
165 bool const added = space_.kind() != VSpace::LENGTH ||
166 space_.length().len().value() >= 0.0;
167 ty1 = added ? (start + arrow_size) : start;
168 ty2 = added ? start : (start + arrow_size);
169 by1 = added ? (end - arrow_size) : end;
170 by2 = added ? end : (end - arrow_size);
173 int const midx = x + arrow_size;
174 int const rightx = midx + arrow_size;
182 font.setColor(LColor::added_space);
185 docstring const lab = label();
186 theFontMetrics(font).rectText(lab, w, a, d);
188 pi.pain.rectText(x + 2 * arrow_size + 5,
189 start + (end - start) / 2 + (a - d) / 2,
190 lab, font, LColor::none, LColor::none);
193 pi.pain.line(x, ty1, midx, ty2, LColor::added_space);
194 pi.pain.line(midx, ty2, rightx, ty1, LColor::added_space);
197 pi.pain.line(x, by1, midx, by2, LColor::added_space);
198 pi.pain.line(midx, by2, rightx, by1, LColor::added_space);
201 pi.pain.line(midx, ty2, midx, by2, LColor::added_space);
205 int InsetVSpace::latex(Buffer const & buf, odocstream & os,
206 OutputParams const &) const
208 os << from_ascii(space_.asLatexCommand(buf.params())) << '\n';
213 int InsetVSpace::plaintext(Buffer const &, odocstream & os,
214 OutputParams const &) const
217 return PLAINTEXT_NEWLINE;
221 int InsetVSpace::docbook(Buffer const &, odocstream & os,
222 OutputParams const &) const
229 string const InsetVSpaceMailer::name_ = "vspace";
232 InsetVSpaceMailer::InsetVSpaceMailer(InsetVSpace & inset)
237 string const InsetVSpaceMailer::inset2string(Buffer const &) const
239 return params2string(inset_.space());
243 void InsetVSpaceMailer::string2params(string const & in, VSpace & vspace)
249 istringstream data(in);
255 if (!lex || name != name_)
256 return print_mailer_error("InsetVSpaceMailer", in, 1, name_);
261 vspace = VSpace(vsp);
265 string const InsetVSpaceMailer::params2string(VSpace const & vspace)
268 data << name_ << ' ' << vspace.asLyXCommand();