src/frontends/qt4/GuiMathMatrix.cpp

   1 /**
   2  * \file GuiMathMatrix.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Spitzmüller
   7  * \author Uwe Stöhr
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "GuiMathMatrix.h"
  15
  16 #include "EmptyTable.h"
  17 #include "qt_helpers.h"
  18
  19 #include "FuncRequest.h"
  20
  21 #include "support/gettext.h"
  22
  23 #include <QLineEdit>
  24 #include <QPushButton>
  25 #include <QSpinBox>
  26
  27 using namespace std;
  28
  29 namespace lyx {
  30 namespace frontend {
  31
  32 static char const * const DecoChars[] = {
  33         N_("None"),
  34         N_("[x]"),
  35         N_("(x)"),
  36         N_("{x}"),
  37         N_("|x|"),
  38         N_("||x||"),
  39         ""
  40 };
  41
  42 static char const * const DecoNames[] = {
  43         N_("bmatrix"),
  44         N_("pmatrix"),
  45         N_("Bmatrix"),
  46         N_("vmatrix"),
  47         N_("Vmatrix"),
  48         ""
  49 };
  50
  51 static char const * const VertAligns[] = {
  52         N_("Top"),
  53         N_("Middle"),
  54         N_("Bottom"),
  55         ""
  56 };
  57
  58 static char const v_align_c[] = "tcb";
  59
  60
  61 GuiMathMatrix::GuiMathMatrix(GuiView & lv)
  62         : GuiDialog(lv, "mathmatrix", qt_("Math Matrix"))
  63 {
  64         setupUi(this);
  65
  66         for (int i = 0; *VertAligns[i]; ++i)
  67                 valignCO->addItem(qt_(VertAligns[i]));
  68         for (int i = 0; *DecoChars[i]; ++i)
  69                 decorationCO->addItem(qt_(DecoChars[i]));
  70
  71         table->setMinimumSize(100, 100);
  72         rowsSB->setValue(5);
  73         columnsSB->setValue(5);
  74         valignCO->setCurrentIndex(1);
  75         decorationCO->setCurrentIndex(0);
  76
  77         connect(table, SIGNAL(rowsChanged(int)),
  78                 rowsSB, SLOT(setValue(int)));
  79         connect(table, SIGNAL(colsChanged(int)),
  80                 columnsSB, SLOT(setValue(int)));
  81         connect(rowsSB, SIGNAL(valueChanged(int)),
  82                 table, SLOT(setNumberRows(int)));
  83         connect(columnsSB, SIGNAL(valueChanged(int)),
  84                 table, SLOT(setNumberColumns(int)));
  85         connect(rowsSB, SIGNAL(valueChanged(int)),
  86                 this, SLOT(change_adaptor()));
  87         connect(columnsSB, SIGNAL(valueChanged(int)),
  88                 this, SLOT(columnsChanged(int)) );
  89         connect(valignCO, SIGNAL(highlighted(QString)),
  90                 this, SLOT(change_adaptor()));
  91         connect(halignED, SIGNAL(textChanged(QString)),
  92                 this, SLOT(change_adaptor()));
  93         connect(decorationCO, SIGNAL(activated(int)),
  94                 this, SLOT(decorationChanged(int)));
  95
  96         bc().setPolicy(ButtonPolicy::IgnorantPolicy);
  97 }
  98
  99
 100 void GuiMathMatrix::columnsChanged(int)
 101 {
 102         int const nx = int(columnsSB->value());
 103         halignED->setText(QString(nx, 'c'));
 104 }
 105
 106
 107 void GuiMathMatrix::decorationChanged(int deco)
 108 {
 109         // a matrix with a decoration cannot have a vertical alignment
 110         if (deco != 0) {
 111                 valignCO->setEnabled(false);
 112                 valignCO->setCurrentIndex(1);
 113         } else
 114                 valignCO->setEnabled(true);
 115 }
 116
 117
 118 void GuiMathMatrix::change_adaptor()
 119 {
 120         // FIXME: We need a filter for the halign input
 121 }
 122
 123
 124 void GuiMathMatrix::on_buttonBox_clicked(QAbstractButton * button)
 125 {
 126         switch (buttonBox->standardButton(button)) {
 127         case QDialogButtonBox::Ok:
 128                 slotOK();
 129                 break;
 130         case QDialogButtonBox::Cancel:
 131                 slotClose();
 132                 break;
 133         default:
 134                 break;
 135         }
 136 }
 137
 138
 139 void GuiMathMatrix::slotOK()
 140 {
 141         int const nx = columnsSB->value();
 142         int const ny = rowsSB->value();
 143         // a matrix without a decoration is an array,
 144         // otherwise it is an AMS matrix
 145         // decorated matrices cannot have a vertical alignment
 146
 147         char const c = v_align_c[valignCO->currentIndex()];
 148         QString const sh = halignED->text();
 149         string const str = fromqstr(
 150                 QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 151
 152         if (decorationCO->currentIndex() != 0) {
 153                 int const deco = decorationCO->currentIndex();
 154                 QString deco_name = DecoNames[deco - 1];
 155                 // only if a special alignment is set create a 1x1 AMS array in which
 156                 // a normal array will be created, otherwise create just a normal AMS array
 157                 if (sh.contains('l') || sh.contains('r')) {
 158                         string const str_ams = fromqstr(
 159                                 QString("%1 %2 %3").arg(int(1)).arg(int(1)).arg(deco_name));
 160                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 161                 } else {
 162                         string const str_ams = fromqstr(
 163                                 QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 164                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 165                         close();
 166                         return;
 167                 }
 168         }
 169         // create the normal array
 170                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 171         close();
 172 }
 173
 174
 175 void GuiMathMatrix::slotClose()
 176 {
 177         close();
 178 }
 179
 180
 181 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 182
 183
 184 } // namespace frontend
 185 } // namespace lyx
 186
 187 #include "moc_GuiMathMatrix.cpp"