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.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 return Color_eolmarker;
143 int InsetNewline::latex(odocstream & os, OutputParams const &) const
145 switch (params_.kind) {
146 case InsetNewlineParams::NEWLINE:
149 case InsetNewlineParams::LINEBREAK:
150 os << "\\linebreak{}\n";
160 int InsetNewline::plaintext(odocstream & os, OutputParams const &) const
163 return PLAINTEXT_NEWLINE;
167 int InsetNewline::docbook(odocstream & os, OutputParams const &) const
174 void InsetNewline::draw(PainterInfo & pi, int x, int y) const
177 font.setColor(ColorName());
179 frontend::FontMetrics const & fm = theFontMetrics(pi.base.font);
180 int const wid = fm.width('n');
181 int const asc = fm.maxAscent();
186 yp[0] = int(y - 0.875 * asc * 0.75);
187 yp[1] = int(y - 0.500 * asc * 0.75);
188 yp[2] = int(y - 0.125 * asc * 0.75);
191 xp[0] = int(x + wid * 0.375);
193 xp[2] = int(x + wid * 0.375);
195 xp[0] = int(x + wid * 0.625);
196 xp[1] = int(x + wid);
197 xp[2] = int(x + wid * 0.625);
200 pi.pain.lines(xp, yp, 3, ColorName());
202 yp[0] = int(y - 0.500 * asc * 0.75);
203 yp[1] = int(y - 0.500 * asc * 0.75);
204 yp[2] = int(y - asc * 0.75);
208 xp[1] = int(x + wid);
209 xp[2] = int(x + wid);
211 xp[0] = int(x + wid);
216 pi.pain.lines(xp, yp, 3, ColorName());
218 if (params_.kind == InsetNewlineParams::LINEBREAK) {
220 yp[2] = int(y - 0.500 * asc * 0.75);
223 xp[0] = int(x + 1.3 * wid);
224 xp[1] = int(x + 2 * wid);
225 xp[2] = int(x + 2 * wid);
227 xp[0] = int(x - 0.3 * wid);
228 xp[1] = int(x - wid);
229 xp[2] = int(x - wid);
231 pi.pain.lines(xp, yp, 3, ColorName());
233 yp[0] = int(y - 0.875 * asc * 0.75);
234 yp[1] = int(y - 0.500 * asc * 0.75);
235 yp[2] = int(y - 0.125 * asc * 0.75);
238 xp[0] = int(x + 2 * wid * 0.813);
239 xp[1] = int(x + 2 * wid);
240 xp[2] = int(x + 2 * wid * 0.813);
242 xp[0] = int(x - wid * 0.625);
243 xp[1] = int(x - wid);
244 xp[2] = int(x - wid * 0.625);
246 pi.pain.lines(xp, yp, 3, ColorName());
251 docstring InsetNewline::contextMenu(BufferView const &, int, int) const
253 return from_ascii("context-newline");
257 void InsetNewline::string2params(string const & in, InsetNewlineParams & params)
259 params = InsetNewlineParams();
262 istringstream data(in);
265 lex.setContext("InsetNewline::string2params");
271 string InsetNewline::params2string(InsetNewlineParams const & params)
274 data << "newline" << ' ';