src/frontends/qt/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         N_("small"),
  40         ""
  41 };
  42
  43 static char const * const DecoNames[] = {
  44         N_("bmatrix"),
  45         N_("pmatrix"),
  46         N_("Bmatrix"),
  47         N_("vmatrix"),
  48         N_("Vmatrix"),
  49         N_("smallmatrix"),
  50         ""
  51 };
  52
  53 static char const * const VertAligns[] = {
  54         N_("Top"),
  55         N_("Middle"),
  56         N_("Bottom"),
  57         ""
  58 };
  59
  60 static char const v_align_c[] = "tcb";
  61
  62
  63 GuiMathMatrix::GuiMathMatrix(GuiView & lv)
  64         : GuiDialog(lv, "mathmatrix", qt_("Math Matrix"))
  65 {
  66         setupUi(this);
  67
  68         for (int i = 0; *VertAligns[i]; ++i)
  69                 valignCO->addItem(qt_(VertAligns[i]));
  70         for (int i = 0; *DecoChars[i]; ++i)
  71                 decorationCO->addItem(qt_(DecoChars[i]));
  72
  73         table->setMinimumSize(100, 100);
  74         rowsSB->setValue(5);
  75         columnsSB->setValue(5);
  76         valignCO->setCurrentIndex(1);
  77         decorationCO->setCurrentIndex(0);
  78
  79         connect(table, SIGNAL(rowsChanged(int)),
  80                 rowsSB, SLOT(setValue(int)));
  81         connect(table, SIGNAL(colsChanged(int)),
  82                 columnsSB, SLOT(setValue(int)));
  83         connect(rowsSB, SIGNAL(valueChanged(int)),
  84                 table, SLOT(setNumberRows(int)));
  85         connect(columnsSB, SIGNAL(valueChanged(int)),
  86                 table, SLOT(setNumberColumns(int)));
  87         connect(rowsSB, SIGNAL(valueChanged(int)),
  88                 this, SLOT(change_adaptor()));
  89         connect(columnsSB, SIGNAL(valueChanged(int)),
  90                 this, SLOT(columnsChanged(int)) );
  91         connect(valignCO, SIGNAL(highlighted(QString)),
  92                 this, SLOT(change_adaptor()));
  93         connect(halignED, SIGNAL(textChanged(QString)),
  94                 this, SLOT(change_adaptor()));
  95         connect(decorationCO, SIGNAL(activated(int)),
  96                 this, SLOT(decorationChanged(int)));
  97
  98         bc().setPolicy(ButtonPolicy::IgnorantPolicy);
  99 }
 100
 101
 102 void GuiMathMatrix::columnsChanged(int)
 103 {
 104         int const nx = int(columnsSB->value());
 105         halignED->setText(QString(nx, 'c'));
 106 }
 107
 108
 109 void GuiMathMatrix::decorationChanged(int deco)
 110 {
 111         // a matrix with a decoration cannot have a vertical alignment
 112         if (deco != 0) {
 113                 valignCO->setEnabled(false);
 114                 valignCO->setCurrentIndex(1);
 115         } else
 116                 valignCO->setEnabled(true);
 117 }
 118
 119
 120 void GuiMathMatrix::change_adaptor()
 121 {
 122         // FIXME: We need a filter for the halign input
 123 }
 124
 125
 126 void GuiMathMatrix::on_buttonBox_clicked(QAbstractButton * button)
 127 {
 128         switch (buttonBox->standardButton(button)) {
 129         case QDialogButtonBox::Ok:
 130                 slotOK();
 131                 break;
 132         case QDialogButtonBox::Cancel:
 133                 slotClose();
 134                 break;
 135         default:
 136                 break;
 137         }
 138 }
 139
 140
 141 void GuiMathMatrix::slotOK()
 142 {
 143         int const nx = columnsSB->value();
 144         int const ny = rowsSB->value();
 145         // a matrix without a decoration is an array,
 146         // otherwise it is an AMS matrix
 147         // decorated matrices cannot have a vertical alignment
 148
 149         char const c = v_align_c[valignCO->currentIndex()];
 150         QString const sh = halignED->text();
 151         string const str = fromqstr(
 152                 QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 153
 154         if (decorationCO->currentIndex() != 0) {
 155                 int const deco = decorationCO->currentIndex();
 156                 QString deco_name = DecoNames[deco - 1];
 157                 // only if a special alignment is set create a 1x1 AMS array in which
 158                 // a normal array will be created, otherwise create just a normal AMS array
 159                 if (sh.contains('l') || sh.contains('r')) {
 160                         string const str_ams = fromqstr(
 161                                 QString("%1 %2 %3").arg(int(1)).arg(int(1)).arg(deco_name));
 162                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 163                 } else {
 164                         string const str_ams = fromqstr(
 165                                 QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 166                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 167                         close();
 168                         return;
 169                 }
 170         }
 171         // create the normal array
 172                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 173         close();
 174 }
 175
 176
 177 void GuiMathMatrix::slotClose()
 178 {
 179         close();
 180 }
 181
 182
 183 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 184
 185
 186 } // namespace frontend
 187 } // namespace lyx
 188
 189 #include "moc_GuiMathMatrix.cpp"