2 * \file InsetNewline.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Jürgen Spitzmüller
9 * Full author contact details are available in file CREDITS.
14 #include "InsetNewline.h"
16 #include "Dimension.h"
17 #include "FuncRequest.h"
18 #include "FuncStatus.h"
20 #include "MetricsInfo.h"
21 #include "OutputParams.h"
23 #include "frontends/Application.h"
24 #include "frontends/FontMetrics.h"
25 #include "frontends/Painter.h"
27 #include "support/debug.h"
28 #include "support/docstream.h"
29 #include "support/docstring.h"
35 InsetNewline::InsetNewline()
39 void InsetNewlineParams::write(ostream & os) const
43 case InsetNewlineParams::NEWLINE:
46 case InsetNewlineParams::LINEBREAK:
53 void InsetNewlineParams::read(Lexer & lex)
56 lex.setContext("InsetNewlineParams::read");
58 if (token == "newline")
59 kind = InsetNewlineParams::NEWLINE;
60 else if (token == "linebreak")
61 kind = InsetNewlineParams::LINEBREAK;
63 lex.printError("Unknown kind: `$$Token'");
68 void InsetNewline::write(ostream & os) const
75 void InsetNewline::read(Lexer & lex)
81 void InsetNewline::metrics(MetricsInfo & mi, Dimension & dim) const
83 frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
84 dim.asc = fm.maxAscent();
85 dim.des = fm.maxDescent();
86 dim.wid = fm.width('n');
90 void InsetNewline::doDispatch(Cursor & cur, FuncRequest & cmd)
94 case LFUN_INSET_MODIFY: {
95 InsetNewlineParams params;
96 string2params(to_utf8(cmd.argument()), params);
97 params_.kind = params.kind;
102 Inset::doDispatch(cur, cmd);
108 bool InsetNewline::getStatus(Cursor & cur, FuncRequest const & cmd,
109 FuncStatus & status) const
111 switch (cmd.action) {
113 case LFUN_INSET_MODIFY:
114 if (cmd.getArg(0) == "newline") {
115 InsetNewlineParams params;
116 string2params(to_utf8(cmd.argument()), params);
117 status.setOnOff(params_.kind == params.kind);
119 status.enabled(true);
123 return Inset::getStatus(cur, cmd, status);
128 ColorCode InsetNewline::ColorName() const
130 switch (params_.kind) {
131 case InsetNewlineParams::NEWLINE:
132 return Color_eolmarker;
134 case InsetNewlineParams::LINEBREAK:
135 return Color_pagebreak;
138 return Color_eolmarker;
144 int InsetNewline::latex(odocstream & os, OutputParams const &) const
146 switch (params_.kind) {
147 case InsetNewlineParams::NEWLINE:
150 case InsetNewlineParams::LINEBREAK:
151 os << "\\linebreak{}\n";
161 int InsetNewline::plaintext(odocstream & os, OutputParams const &) const
164 return PLAINTEXT_NEWLINE;
168 int InsetNewline::docbook(odocstream & os, OutputParams const &) const
175 void InsetNewline::draw(PainterInfo & pi, int x, int y) const
178 font.setColor(ColorName());
180 frontend::FontMetrics const & fm = theFontMetrics(pi.base.font);
181 int const wid = fm.width('n');
182 int const asc = fm.maxAscent();
187 yp[0] = int(y - 0.875 * asc * 0.75);
188 yp[1] = int(y - 0.500 * asc * 0.75);
189 yp[2] = int(y - 0.125 * asc * 0.75);
192 xp[0] = int(x + wid * 0.375);
194 xp[2] = int(x + wid * 0.375);
196 xp[0] = int(x + wid * 0.625);
197 xp[1] = int(x + wid);
198 xp[2] = int(x + wid * 0.625);
201 pi.pain.lines(xp, yp, 3, ColorName());
203 yp[0] = int(y - 0.500 * asc * 0.75);
204 yp[1] = int(y - 0.500 * asc * 0.75);
205 yp[2] = int(y - asc * 0.75);
209 xp[1] = int(x + wid);
210 xp[2] = int(x + wid);
212 xp[0] = int(x + wid);
217 pi.pain.lines(xp, yp, 3, ColorName());
219 if (params_.kind == InsetNewlineParams::LINEBREAK) {
221 yp[2] = int(y - 0.500 * asc * 0.75);
224 xp[0] = int(x + 1.3 * wid);
225 xp[1] = int(x + 2 * wid);
226 xp[2] = int(x + 2 * wid);
228 xp[0] = int(x - 0.3 * wid);
229 xp[1] = int(x - wid);
230 xp[2] = int(x - wid);
232 pi.pain.lines(xp, yp, 3, ColorName());
234 yp[0] = int(y - 0.875 * asc * 0.75);
235 yp[1] = int(y - 0.500 * asc * 0.75);
236 yp[2] = int(y - 0.125 * asc * 0.75);
239 xp[0] = int(x + 2 * wid * 0.813);
240 xp[1] = int(x + 2 * wid);
241 xp[2] = int(x + 2 * wid * 0.813);
243 xp[0] = int(x - wid * 0.625);
244 xp[1] = int(x - wid);
245 xp[2] = int(x - wid * 0.625);
247 pi.pain.lines(xp, yp, 3, ColorName());
252 docstring InsetNewline::contextMenu(BufferView const &, int, int) const
254 return from_ascii("context-newline");
258 void InsetNewline::string2params(string const & in, InsetNewlineParams & params)
260 params = InsetNewlineParams();
263 istringstream data(in);
266 lex.setContext("InsetNewline::string2params");
272 string InsetNewline::params2string(InsetNewlineParams const & params)
275 data << "newline" << ' ';