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 using std::string;
  27 using std::istringstream;
  28 using std::ostream;
  29 using std::ostringstream;
  30
  31
  32 InsetCommand::InsetCommand(InsetCommandParams const & p,
  33                            string const & mailer_name)
  34         : p_(p.getCmdName(), p.getContents(), p.getOptions(), p.getSecOptions()),
  35           mailer_name_(mailer_name),
  36           updateButtonLabel_(true)
  37 {}
  38
  39
  40 InsetCommand::~InsetCommand()
  41 {
  42         if (!mailer_name_.empty())
  43                 InsetCommandMailer(mailer_name_, *this).hideDialog();
  44 }
  45
  46
  47 void InsetCommand::metrics(MetricsInfo & mi, Dimension & dim) const
  48 {
  49         if (updateButtonLabel_) {
  50                 updateButtonLabel_ = false;
  51                 button_.update(getScreenLabel(*mi.base.bv->buffer()),
  52                                editable() != NOT_EDITABLE);
  53         }
  54         button_.metrics(mi, dim);
  55         dim_ = dim;
  56 }
  57
  58
  59 void InsetCommand::draw(PainterInfo & pi, int x, int y) const
  60 {
  61         setPosCache(pi, x, y);
  62         button_.draw(pi, x, y);
  63 }
  64
  65
  66 void InsetCommand::setParams(InsetCommandParams const & p)
  67 {
  68         p_ = p;
  69         updateButtonLabel_ = true;
  70 }
  71
  72
  73 int InsetCommand::latex(Buffer const &, ostream & os,
  74                         OutputParams const &) const
  75 {
  76         os << getCommand();
  77         return 0;
  78 }
  79
  80
  81 int InsetCommand::plaintext(Buffer const &, ostream &,
  82                         OutputParams const &) const
  83 {
  84         return 0;
  85 }
  86
  87
  88 int InsetCommand::docbook(Buffer const &, ostream &,
  89                           OutputParams const &) const
  90 {
  91         return 0;
  92 }
  93
  94
  95 void InsetCommand::doDispatch(LCursor & cur, FuncRequest & cmd)
  96 {
  97         switch (cmd.action) {
  98         case LFUN_INSET_REFRESH:
  99                 updateButtonLabel_ = true;
 100                 break;
 101
 102         case LFUN_INSET_MODIFY: {
 103                 InsetCommandParams p;
 104                 InsetCommandMailer::string2params(mailer_name_, cmd.argument, p);
 105                 if (p.getCmdName().empty())
 106                         cur.noUpdate();
 107                 else
 108                         setParams(p);
 109                 break;
 110         }
 111
 112         case LFUN_INSET_DIALOG_UPDATE:
 113                 InsetCommandMailer(cmd.argument, *this).updateDialog(&cur.bv());
 114                 break;
 115
 116         case LFUN_MOUSE_RELEASE: {
 117                 if (!mailer_name_.empty())
 118                         InsetCommandMailer(mailer_name_, *this).showDialog(&cur.bv());
 119                 break;
 120         }
 121
 122         default:
 123                 InsetBase::doDispatch(cur, cmd);
 124                 break;
 125         }
 126
 127 }
 128
 129
 130 bool InsetCommand::getStatus(LCursor & cur, FuncRequest const & cmd,
 131         FuncStatus & status) const
 132 {
 133         switch (cmd.action) {
 134         // suppress these
 135         case LFUN_ERT_INSERT:
 136                 status.enabled(false);
 137                 return true;
 138         // we handle these
 139         case LFUN_INSET_REFRESH:
 140         case LFUN_INSET_MODIFY:
 141         case LFUN_INSET_DIALOG_UPDATE:
 142                 status.enabled(true);
 143                 return true;
 144         default:
 145                 return InsetBase::getStatus(cur, cmd, status);
 146         }
 147 }
 148
 149
 150 InsetCommandMailer::InsetCommandMailer(string const & name,
 151                                        InsetCommand & inset)
 152         : name_(name), inset_(inset)
 153 {}
 154
 155
 156 string const InsetCommandMailer::inset2string(Buffer const &) const
 157 {
 158         return params2string(name(), inset_.params());
 159 }
 160
 161
 162 void InsetCommandMailer::string2params(string const & name,
 163                                        string const & in,
 164                                        InsetCommandParams & params)
 165 {
 166         params = InsetCommandParams();
 167         if (in.empty())
 168                 return;
 169
 170         istringstream data(in);
 171         LyXLex lex(0,0);
 172         lex.setStream(data);
 173
 174         string n;
 175         lex >> n;
 176         if (!lex || n != name)
 177                 return print_mailer_error("InsetCommandMailer", in, 1, name);
 178
 179         // This is part of the inset proper that is usually swallowed
 180         // by LyXText::readInset
 181         string id;
 182         lex >> id;
 183         if (!lex || id != "LatexCommand")
 184                 return print_mailer_error("InsetCommandMailer", in, 2, "LatexCommand");
 185
 186         params.read(lex);
 187 }
 188
 189
 190 string const
 191 InsetCommandMailer::params2string(string const & name,
 192                                   InsetCommandParams const & params)
 193 {
 194         ostringstream data;
 195         data << name << ' ';
 196         params.write(data);
 197         data << "\\end_inset\n";
 198         return data.str();
 199 }