src/insets/insetcommand.C

   1 /**
   2  * \file insetcommand.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Lars Gullik Bjønnes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "insetcommand.h"
  15
  16 #include "BufferView.h"
  17 #include "dispatchresult.h"
  18 #include "funcrequest.h"
  19 #include "FuncStatus.h"
  20 #include "lyxlex.h"
  21 #include "metricsinfo.h"
  22
  23 #include <sstream>
  24
  25
  26 namespace lyx {
  27
  28 using std::string;
  29 using std::istringstream;
  30 using std::ostream;
  31 using std::ostringstream;
  32
  33
  34 InsetCommand::InsetCommand(InsetCommandParams const & p,
  35                            string const & mailer_name)
  36         : p_(p),
  37           mailer_name_(mailer_name),
  38           updateButtonLabel_(true)
  39 {}
  40
  41
  42 InsetCommand::~InsetCommand()
  43 {
  44         if (!mailer_name_.empty())
  45                 InsetCommandMailer(mailer_name_, *this).hideDialog();
  46 }
  47
  48
  49 bool InsetCommand::metrics(MetricsInfo & mi, Dimension & dim) const
  50 {
  51         if (updateButtonLabel_) {
  52                 updateButtonLabel_ = false;
  53                 button_.update(getScreenLabel(*mi.base.bv->buffer()),
  54                                editable() != NOT_EDITABLE);
  55         }
  56         button_.metrics(mi, dim);
  57         bool const changed = dim_ != dim;
  58         dim_ = dim;
  59         return changed;
  60 }
  61
  62
  63 void InsetCommand::draw(PainterInfo & pi, int x, int y) const
  64 {
  65         setPosCache(pi, x, y);
  66         button_.draw(pi, x, y);
  67 }
  68
  69
  70 void InsetCommand::setParams(InsetCommandParams const & p)
  71 {
  72         p_ = p;
  73         updateButtonLabel_ = true;
  74 }
  75
  76
  77 int InsetCommand::latex(Buffer const &, odocstream & os,
  78                         OutputParams const &) const
  79 {
  80         os << getCommand();
  81         return 0;
  82 }
  83
  84
  85 int InsetCommand::plaintext(Buffer const &, odocstream &,
  86                         OutputParams const &) const
  87 {
  88         return 0;
  89 }
  90
  91
  92 int InsetCommand::docbook(Buffer const &, odocstream &,
  93                           OutputParams const &) const
  94 {
  95         return 0;
  96 }
  97
  98
  99 void InsetCommand::doDispatch(LCursor & cur, FuncRequest & cmd)
 100 {
 101         switch (cmd.action) {
 102         case LFUN_INSET_REFRESH:
 103                 updateButtonLabel_ = true;
 104                 break;
 105
 106         case LFUN_INSET_MODIFY: {
 107                 InsetCommandParams p(p_.getCmdName());
 108                 InsetCommandMailer::string2params(mailer_name_, to_utf8(cmd.argument()), p);
 109                 if (p.getCmdName().empty())
 110                         cur.noUpdate();
 111                 else
 112                         setParams(p);
 113                 break;
 114         }
 115
 116         case LFUN_INSET_DIALOG_UPDATE: {
 117                 string const name = to_utf8(cmd.argument());
 118                 InsetCommandMailer(name, *this).updateDialog(&cur.bv());
 119                 break;
 120         }
 121
 122         case LFUN_MOUSE_RELEASE: {
 123                 if (!mailer_name_.empty())
 124                         InsetCommandMailer(mailer_name_, *this).showDialog(&cur.bv());
 125                 break;
 126         }
 127
 128         default:
 129                 InsetBase::doDispatch(cur, cmd);
 130                 break;
 131         }
 132
 133 }
 134
 135
 136 bool InsetCommand::getStatus(LCursor & cur, FuncRequest const & cmd,
 137         FuncStatus & status) const
 138 {
 139         switch (cmd.action) {
 140         // suppress these
 141         case LFUN_ERT_INSERT:
 142                 status.enabled(false);
 143                 return true;
 144         // we handle these
 145         case LFUN_INSET_REFRESH:
 146         case LFUN_INSET_MODIFY:
 147         case LFUN_INSET_DIALOG_UPDATE:
 148                 status.enabled(true);
 149                 return true;
 150         default:
 151                 return InsetBase::getStatus(cur, cmd, status);
 152         }
 153 }
 154
 155
 156 void InsetCommand::replaceContents(std::string const & from, string const & to)
 157 {
 158         if (getContents() == from)
 159                 setContents(to);
 160 }
 161
 162
 163 InsetCommandMailer::InsetCommandMailer(string const & name,
 164                                        InsetCommand & inset)
 165         : name_(name), inset_(inset)
 166 {}
 167
 168
 169 string const InsetCommandMailer::inset2string(Buffer const &) const
 170 {
 171         return params2string(name(), inset_.params());
 172 }
 173
 174
 175 void InsetCommandMailer::string2params(string const & name,
 176                                        string const & in,
 177                                        InsetCommandParams & params)
 178 {
 179         params.clear();
 180         if (in.empty())
 181                 return;
 182
 183         istringstream data(in);
 184         LyXLex lex(0,0);
 185         lex.setStream(data);
 186
 187         string n;
 188         lex >> n;
 189         if (!lex || n != name)
 190                 return print_mailer_error("InsetCommandMailer", in, 1, name);
 191
 192         // This is part of the inset proper that is usually swallowed
 193         // by LyXText::readInset
 194         string id;
 195         lex >> id;
 196         if (!lex || id != "LatexCommand")
 197                 return print_mailer_error("InsetCommandMailer", in, 2, "LatexCommand");
 198
 199         params.read(lex);
 200 }
 201
 202
 203 string const
 204 InsetCommandMailer::params2string(string const & name,
 205                                   InsetCommandParams const & params)
 206 {
 207         ostringstream data;
 208         data << name << ' ';
 209         params.write(data);
 210         data << "\\end_inset\n";
 211         return data.str();
 212 }
 213
 214
 215 } // namespace lyx