src/frontends/qt4/QDelimiterDialog.C

   1 /**
   2  * \file QDelimiterDialog.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "QDelimiterDialog.h"
  14 #include "QMath.h"
  15
  16 #include "qt_helpers.h"
  17 #include "controllers/ControlMath.h"
  18
  19 #include "gettext.h"
  20
  21 #include <QPixmap>
  22 #include <QCheckBox>
  23 #include <QListWidgetItem>
  24
  25 #include <sstream>
  26
  27 using std::string;
  28
  29 namespace lyx {
  30 namespace frontend {
  31
  32 namespace {
  33
  34 char const * const bigleft[]  = {"bigl", "Bigl", "biggl", "Biggl", ""};
  35
  36
  37 char const * const bigright[] = {"bigr", "Bigr", "biggr", "Biggr", ""};
  38
  39
  40 char const * const biggui[]   = {N_("big[[delimiter size]]"), N_("Big[[delimiter size]]"),
  41         N_("bigg[[delimiter size]]"), N_("Bigg[[delimiter size]]"), ""};
  42
  43
  44 string do_match(string const & str)
  45 {
  46         if (str == "(") return ")";
  47         if (str == ")") return "(";
  48         if (str == "[") return "]";
  49         if (str == "]") return "[";
  50         if (str == "{") return "}";
  51         if (str == "}") return "{";
  52         if (str == "l") return "r";
  53         if (str == "rceil") return "lceil";
  54         if (str == "lceil") return "rceil";
  55         if (str == "rfloor") return "lfloor";
  56         if (str == "lfloor") return "rfloor";
  57         if (str == "rangle") return "langle";
  58         if (str == "langle") return "rangle";
  59         if (str == "\\") return "/";
  60         if (str == "/") return "\\";
  61         return str;
  62 }
  63
  64
  65 string fix_name(string const & str, bool big)
  66 {
  67         if (str.empty())
  68                 return ".";
  69         if (!big || str == "(" || str == ")" || str == "[" || str == "]"
  70             || str == "|" || str == "/")
  71                 return str;
  72
  73         return "\\" + str;
  74 }
  75
  76 } // namespace anon
  77
  78
  79 QDelimiterDialog::QDelimiterDialog(QMathDelimiter * form)
  80         : form_(form)
  81 {
  82         setupUi(this);
  83
  84         connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
  85         connect(insertPB, SIGNAL(clicked()), this, SLOT(insertClicked()));
  86
  87         setWindowTitle(qt_("LyX: Delimiters"));
  88         setFocusProxy(leftLW);
  89
  90         // The last element is the empty one.
  91         for (int i = 0; i < nr_latex_delimiters - 1; ++i) {
  92                 docstring const left_d(1,
  93                         form_->controller().mathSymbol(latex_delimiters[i]));
  94                 docstring const right_d(1,
  95                         form_->controller().mathSymbol(do_match(latex_delimiters[i])));
  96                 leftLW->addItem(toqstr(left_d));
  97                 rightLW->addItem(toqstr(right_d));
  98         }
  99
 100         leftLW->addItem(qt_("(None)"));
 101         rightLW->addItem(qt_("(None)"));
 102
 103         sizeCO->addItem(qt_("Variable"));
 104
 105         for (int i = 0; *biggui[i]; ++i)
 106                 sizeCO->addItem(qt_(biggui[i]));
 107
 108         on_leftLW_currentRowChanged(0);
 109 }
 110
 111
 112 void QDelimiterDialog::insertClicked()
 113 {
 114         string left_str;
 115         string right_str;
 116         if (leftLW->currentRow() < leftLW->count() - 1)
 117                 left_str = form_->controller().texName(qstring_to_ucs4(leftLW->currentItem()->text())[0]);
 118         if (rightLW->currentRow() < rightLW->count() - 1)
 119                 right_str = form_->controller().texName(qstring_to_ucs4(rightLW->currentItem()->text())[0]);
 120
 121         int const size_ = sizeCO->currentIndex();
 122         if (size_ == 0) {
 123                 form_->controller().dispatchDelim(
 124                         fix_name(left_str, false) + ' ' +
 125                         fix_name(right_str, false));
 126         } else {
 127                 std::ostringstream os;
 128                 os << '"' << bigleft[size_ - 1] << "\" \""
 129                    << fix_name(left_str, true) << "\" \""
 130                    << bigright[size_ - 1] << "\" \""
 131                    << fix_name(right_str, true) << '"';
 132                 form_->controller().dispatchBigDelim(os.str());
 133         }
 134 }
 135
 136
 137 void QDelimiterDialog::on_leftLW_itemActivated(QListWidgetItem *)
 138 {
 139         insertClicked();
 140         accept();
 141 }
 142
 143
 144 void QDelimiterDialog::on_rightLW_itemActivated(QListWidgetItem *)
 145 {
 146         insertClicked();
 147         accept();
 148 }
 149
 150
 151 void QDelimiterDialog::on_leftLW_currentRowChanged(int item)
 152 {
 153         if (matchCB->isChecked())
 154                 rightLW->setCurrentRow(item);
 155
 156         // Display the associated TeX name.
 157         if (leftLW->currentRow() == leftLW->count() - 1)
 158                 texCodeL->clear();
 159         else {
 160                 QString const str = toqstr(form_->controller().texName(
 161                         qstring_to_ucs4(leftLW->currentItem()->text())[0]));
 162                 texCodeL->setText("TeX code: \\" + str);
 163         }
 164 }
 165
 166
 167 void QDelimiterDialog::on_rightLW_currentRowChanged(int item)
 168 {
 169         if (matchCB->isChecked())
 170                 leftLW->setCurrentRow(item);
 171
 172         // Display the associated TeX name.
 173         if (rightLW->currentRow() == leftLW->count() - 1)
 174                 texCodeL->clear();
 175         else {
 176                 QString const str = toqstr(form_->controller().texName(
 177                         qstring_to_ucs4(rightLW->currentItem()->text())[0]));
 178                 texCodeL->setText("TeX code: \\" + str);
 179         }
 180 }
 181
 182
 183 void QDelimiterDialog::on_matchCB_stateChanged(int state)
 184 {
 185         if (state == Qt::Checked)
 186                 on_leftLW_currentRowChanged(leftLW->currentRow());
 187 }
 188
 189
 190 } // namespace frontend
 191 } // namespace lyx
 192
 193 #include "QDelimiterDialog_moc.cpp"