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() : Inset(0)
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'");
67 void InsetNewline::write(ostream & os) const
74 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.setEnabled(true);
122 return Inset::getStatus(cur, cmd, status);
127 ColorCode InsetNewline::ColorName() const
129 switch (params_.kind) {
130 case InsetNewlineParams::NEWLINE:
131 return Color_eolmarker;
133 case InsetNewlineParams::LINEBREAK:
134 return Color_pagebreak;
137 // not really useful, but to avoids gcc complaints
138 return Color_eolmarker;
142 int InsetNewline::latex(odocstream & os, OutputParams const & rp) const
144 switch (params_.kind) {
145 case InsetNewlineParams::NEWLINE:
146 if (rp.inTableCell == OutputParams::PLAIN)
151 case InsetNewlineParams::LINEBREAK:
152 os << "\\linebreak{}\n";
162 int InsetNewline::plaintext(odocstream & os, OutputParams const &) const
165 return PLAINTEXT_NEWLINE;
169 int InsetNewline::docbook(odocstream & os, OutputParams const &) const
176 docstring InsetNewline::xhtml(odocstream & os, OutputParams const &) const
183 void InsetNewline::draw(PainterInfo & pi, int x, int y) const
186 font.setColor(ColorName());
188 frontend::FontMetrics const & fm = theFontMetrics(pi.base.font);
189 int const wid = fm.width('n');
190 int const asc = fm.maxAscent();
195 yp[0] = int(y - 0.875 * asc * 0.75);
196 yp[1] = int(y - 0.500 * asc * 0.75);
197 yp[2] = int(y - 0.125 * asc * 0.75);
200 xp[0] = int(x + wid * 0.375);
202 xp[2] = int(x + wid * 0.375);
204 xp[0] = int(x + wid * 0.625);
205 xp[1] = int(x + wid);
206 xp[2] = int(x + wid * 0.625);
209 pi.pain.lines(xp, yp, 3, ColorName());
211 yp[0] = int(y - 0.500 * asc * 0.75);
212 yp[1] = int(y - 0.500 * asc * 0.75);
213 yp[2] = int(y - asc * 0.75);
217 xp[1] = int(x + wid);
218 xp[2] = int(x + wid);
220 xp[0] = int(x + wid);
225 pi.pain.lines(xp, yp, 3, ColorName());
227 if (params_.kind == InsetNewlineParams::LINEBREAK) {
229 yp[2] = int(y - 0.500 * asc * 0.75);
232 xp[0] = int(x + 1.3 * wid);
233 xp[1] = int(x + 2 * wid);
234 xp[2] = int(x + 2 * wid);
236 xp[0] = int(x - 0.3 * wid);
237 xp[1] = int(x - wid);
238 xp[2] = int(x - wid);
240 pi.pain.lines(xp, yp, 3, ColorName());
242 yp[0] = int(y - 0.875 * asc * 0.75);
243 yp[1] = int(y - 0.500 * asc * 0.75);
244 yp[2] = int(y - 0.125 * asc * 0.75);
247 xp[0] = int(x + 2 * wid * 0.813);
248 xp[1] = int(x + 2 * wid);
249 xp[2] = int(x + 2 * wid * 0.813);
251 xp[0] = int(x - wid * 0.625);
252 xp[1] = int(x - wid);
253 xp[2] = int(x - wid * 0.625);
255 pi.pain.lines(xp, yp, 3, ColorName());
260 docstring InsetNewline::contextMenu(BufferView const &, int, int) const
262 return from_ascii("context-newline");
266 void InsetNewline::string2params(string const & in, InsetNewlineParams & params)
268 params = InsetNewlineParams();
271 istringstream data(in);
274 lex.setContext("InsetNewline::string2params");
280 string InsetNewline::params2string(InsetNewlineParams const & params)
283 data << "newline" << ' ';