2 * \file InsetVSpace.cpp
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"
23 #include "MetricsInfo.h"
24 #include "OutputParams.h"
26 #include "frontends/FontMetrics.h"
27 #include "frontends/Painter.h"
34 using std::istringstream;
36 using std::ostringstream;
43 int const ADD_TO_VSPACE_WIDTH = 5;
48 InsetVSpace::InsetVSpace(VSpace const & space)
53 InsetVSpace::~InsetVSpace()
55 InsetVSpaceMailer(*this).hideDialog();
59 Inset * InsetVSpace::clone() const
61 return new InsetVSpace(*this);
65 void InsetVSpace::doDispatch(Cursor & cur, FuncRequest & cmd)
69 case LFUN_INSET_MODIFY: {
70 InsetVSpaceMailer::string2params(to_utf8(cmd.argument()), space_);
74 case LFUN_MOUSE_RELEASE:
76 InsetVSpaceMailer(*this).showDialog(&cur.bv());
80 Inset::doDispatch(cur, cmd);
86 void InsetVSpace::read(Buffer const &, Lexer & 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 void 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 // Cache the inset dimension.
141 setDimCache(mi, dim);
145 void InsetVSpace::draw(PainterInfo & pi, int x, int y) const
147 Dimension const dim = dimension(*pi.base.bv);
148 x += ADD_TO_VSPACE_WIDTH;
149 int const start = y - dim.asc;
150 int const end = y + dim.des;
152 // y-values for top arrow
154 // y-values for bottom arrow
157 if (space_.kind() == VSpace::VFILL) {
161 // adding or removing space
162 bool const added = space_.kind() != VSpace::LENGTH ||
163 space_.length().len().value() >= 0.0;
164 ty1 = added ? (start + arrow_size) : start;
165 ty2 = added ? start : (start + arrow_size);
166 by1 = added ? (end - arrow_size) : end;
167 by2 = added ? end : (end - arrow_size);
170 int const midx = x + arrow_size;
171 int const rightx = midx + arrow_size;
179 font.setColor(Color_added_space);
182 docstring const lab = label();
183 theFontMetrics(font).rectText(lab, w, a, d);
185 pi.pain.rectText(x + 2 * arrow_size + 5,
186 start + (end - start) / 2 + (a - d) / 2,
187 lab, font, Color_none, Color_none);
190 pi.pain.line(x, ty1, midx, ty2, Color_added_space);
191 pi.pain.line(midx, ty2, rightx, ty1, Color_added_space);
194 pi.pain.line(x, by1, midx, by2, Color_added_space);
195 pi.pain.line(midx, by2, rightx, by1, Color_added_space);
198 pi.pain.line(midx, ty2, midx, by2, Color_added_space);
202 int InsetVSpace::latex(Buffer const & buf, odocstream & os,
203 OutputParams const &) const
205 os << from_ascii(space_.asLatexCommand(buf.params())) << '\n';
210 int InsetVSpace::plaintext(Buffer const &, odocstream & os,
211 OutputParams const &) const
214 return PLAINTEXT_NEWLINE;
218 int InsetVSpace::docbook(Buffer const &, odocstream & os,
219 OutputParams const &) const
226 string const InsetVSpaceMailer::name_ = "vspace";
229 InsetVSpaceMailer::InsetVSpaceMailer(InsetVSpace & inset)
234 string const InsetVSpaceMailer::inset2string(Buffer const &) const
236 return params2string(inset_.space());
240 void InsetVSpaceMailer::string2params(string const & in, VSpace & vspace)
246 istringstream data(in);
252 if (!lex || name != name_)
253 return print_mailer_error("InsetVSpaceMailer", in, 1, name_);
258 vspace = VSpace(vsp);
262 string const InsetVSpaceMailer::params2string(VSpace const & vspace)
265 data << name_ << ' ' << vspace.asLyXCommand();