src/insets/InsetNewpage.cpp

   1 /**
   2  * \file InsetNewpage.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  * \author Jürgen Spitzmüller
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "InsetNewpage.h"
  15
  16 #include "FuncRequest.h"
  17 #include "FuncStatus.h"
  18 #include "Lexer.h"
  19 #include "MetricsInfo.h"
  20 #include "OutputParams.h"
  21 #include "Text.h"
  22 #include "TextMetrics.h"
  23
  24 #include "frontends/FontMetrics.h"
  25 #include "frontends/Painter.h"
  26
  27 #include "support/debug.h"
  28 #include "support/docstring.h"
  29 #include "support/docstream.h"
  30 #include "support/gettext.h"
  31
  32 using namespace std;
  33
  34
  35 namespace lyx {
  36
  37 InsetNewpage::InsetNewpage()
  38 {}
  39
  40
  41 InsetNewpage::InsetNewpage(InsetNewpageParams const & params)
  42         : params_(params)
  43 {}
  44
  45
  46 void InsetNewpageParams::write(ostream & os) const
  47 {
  48         string command;
  49         switch (kind) {
  50         case InsetNewpageParams::NEWPAGE:
  51                 os << "newpage";
  52                 break;
  53         case InsetNewpageParams::PAGEBREAK:
  54                 os <<  "pagebreak";
  55                 break;
  56         case InsetNewpageParams::CLEARPAGE:
  57                 os <<  "clearpage";
  58                 break;
  59         case InsetNewpageParams::CLEARDOUBLEPAGE:
  60                 os <<  "cleardoublepage";
  61                 break;
  62         }
  63 }
  64
  65
  66 void InsetNewpageParams::read(Lexer & lex)
  67 {
  68         lex.setContext("InsetNewpageParams::read");
  69         string token;
  70         lex >> token;
  71
  72         if (token == "newpage")
  73                 kind = InsetNewpageParams::NEWPAGE;
  74         else if (token == "pagebreak")
  75                 kind = InsetNewpageParams::PAGEBREAK;
  76         else if (token == "clearpage")
  77                 kind = InsetNewpageParams::CLEARPAGE;
  78         else if (token == "cleardoublepage")
  79                 kind = InsetNewpageParams::CLEARDOUBLEPAGE;
  80         else
  81                 lex.printError("Unknown kind");
  82
  83         lex >> "\\end_inset";
  84 }
  85
  86
  87 void InsetNewpage::write(ostream & os) const
  88 {
  89         os << "Newpage ";
  90         params_.write(os);
  91 }
  92
  93
  94 void InsetNewpage::read(Lexer & lex)
  95 {
  96         params_.read(lex);
  97 }
  98
  99
 100 void InsetNewpage::metrics(MetricsInfo & mi, Dimension & dim) const
 101 {
 102         dim.asc = defaultRowHeight();
 103         dim.des = defaultRowHeight();
 104         dim.wid = mi.base.textwidth;
 105         // Cache the inset dimension.
 106         setDimCache(mi, dim);
 107 }
 108
 109
 110 void InsetNewpage::draw(PainterInfo & pi, int x, int y) const
 111 {
 112         using frontend::Painter;
 113
 114         FontInfo font;
 115         font.setColor(ColorName());
 116         font.decSize();
 117
 118         Dimension const dim = dimension(*pi.base.bv);
 119
 120         int w = 0;
 121         int a = 0;
 122         int d = 0;
 123         theFontMetrics(font).rectText(insetLabel(), w, a, d);
 124
 125         int const text_start = int(x + (dim.wid - w) / 2);
 126         int const text_end = text_start + w;
 127
 128         pi.pain.rectText(text_start, y + d, insetLabel(), font,
 129                 Color_none, Color_none);
 130
 131         pi.pain.line(x, y, text_start, y,
 132                    ColorName(), Painter::line_onoffdash);
 133         pi.pain.line(text_end, y, int(x + dim.wid), y,
 134                    ColorName(), Painter::line_onoffdash);
 135 }
 136
 137
 138 void InsetNewpage::doDispatch(Cursor & cur, FuncRequest & cmd)
 139 {
 140         switch (cmd.action) {
 141
 142         case LFUN_INSET_MODIFY: {
 143                 InsetNewpageParams params;
 144                 string2params(to_utf8(cmd.argument()), params);
 145                 params_.kind = params.kind;
 146                 break;
 147         }
 148
 149         default:
 150                 Inset::doDispatch(cur, cmd);
 151                 break;
 152         }
 153 }
 154
 155
 156 bool InsetNewpage::getStatus(Cursor & cur, FuncRequest const & cmd,
 157         FuncStatus & status) const
 158 {
 159         switch (cmd.action) {
 160         // we handle these
 161         case LFUN_INSET_MODIFY:
 162                 if (cmd.getArg(0) == "newpage") {
 163                         InsetNewpageParams params;
 164                         string2params(to_utf8(cmd.argument()), params);
 165                         status.setOnOff(params_.kind == params.kind);
 166                 }
 167                 status.setEnabled(true);
 168                 return true;
 169         default:
 170                 return Inset::getStatus(cur, cmd, status);
 171         }
 172 }
 173
 174
 175 docstring InsetNewpage::insetLabel() const
 176 {
 177         switch (params_.kind) {
 178                 case InsetNewpageParams::NEWPAGE:
 179                         return _("New Page");
 180                         break;
 181                 case InsetNewpageParams::PAGEBREAK:
 182                         return _("Page Break");
 183                         break;
 184                 case InsetNewpageParams::CLEARPAGE:
 185                         return _("Clear Page");
 186                         break;
 187                 case InsetNewpageParams::CLEARDOUBLEPAGE:
 188                         return _("Clear Double Page");
 189                         break;
 190                 default:
 191                         return _("New Page");
 192                         break;
 193         }
 194 }
 195
 196
 197 ColorCode InsetNewpage::ColorName() const
 198 {
 199         switch (params_.kind) {
 200                 case InsetNewpageParams::PAGEBREAK:
 201                         return Color_pagebreak;
 202                         break;
 203                 case InsetNewpageParams::NEWPAGE:
 204                 case InsetNewpageParams::CLEARPAGE:
 205                 case InsetNewpageParams::CLEARDOUBLEPAGE:
 206                         return Color_newpage;
 207                         break;
 208         }
 209         // not really useful, but to avoids gcc complaints
 210         return Color_newpage;
 211 }
 212
 213
 214 int InsetNewpage::latex(odocstream & os, OutputParams const &) const
 215 {
 216         switch (params_.kind) {
 217                 case InsetNewpageParams::NEWPAGE:
 218                         os << "\\newpage{}";
 219                         break;
 220                 case InsetNewpageParams::PAGEBREAK:
 221                         os << "\\pagebreak{}";
 222                         break;
 223                 case InsetNewpageParams::CLEARPAGE:
 224                         os << "\\clearpage{}";
 225                         break;
 226                 case InsetNewpageParams::CLEARDOUBLEPAGE:
 227                         os << "\\cleardoublepage{}";
 228                         break;
 229                 default:
 230                         os << "\\newpage{}";
 231                         break;
 232         }
 233         return 0;
 234 }
 235
 236
 237 int InsetNewpage::plaintext(odocstream & os, OutputParams const &) const
 238 {
 239         os << '\n';
 240         return PLAINTEXT_NEWLINE;
 241 }
 242
 243
 244 int InsetNewpage::docbook(odocstream & os, OutputParams const &) const
 245 {
 246         os << '\n';
 247         return 0;
 248 }
 249
 250
 251 docstring InsetNewpage::contextMenu(BufferView const &, int, int) const
 252 {
 253         return from_ascii("context-newpage");
 254 }
 255
 256
 257 void InsetNewpage::string2params(string const & in, InsetNewpageParams & params)
 258 {
 259         params = InsetNewpageParams();
 260         if (in.empty())
 261                 return;
 262
 263         istringstream data(in);
 264         Lexer lex;
 265         lex.setStream(data);
 266
 267         string name;
 268         lex >> name;
 269         if (!lex || name != "newpage") {
 270                 LYXERR0("Expected arg 2 to be \"wrap\" in " << in);
 271                 return;
 272         }
 273
 274         params.read(lex);
 275 }
 276
 277
 278 string InsetNewpage::params2string(InsetNewpageParams const & params)
 279 {
 280         ostringstream data;
 281         data << "newpage" << ' ';
 282         params.write(data);
 283         return data.str();
 284 }
 285
 286
 287 } // namespace lyx