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 <QLineEdit>
  22 #include <QPushButton>
  23 #include <QSpinBox>
  24
  25 using namespace std;
  26
  27 namespace lyx {
  28 namespace frontend {
  29
  30 GuiMathMatrix::GuiMathMatrix(GuiView & lv)
  31         : GuiDialog(lv, "mathmatrix", qt_("Math Matrix"))
  32 {
  33         setupUi(this);
  34
  35         table->setMinimumSize(100, 100);
  36         rowsSB->setValue(5);
  37         columnsSB->setValue(5);
  38         valignCO->setCurrentIndex(1);
  39         decorationCO->setCurrentIndex(0);
  40
  41         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  42         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  43
  44         connect(table, SIGNAL(rowsChanged(int)),
  45                 rowsSB, SLOT(setValue(int)));
  46         connect(table, SIGNAL(colsChanged(int)),
  47                 columnsSB, SLOT(setValue(int)));
  48         connect(rowsSB, SIGNAL(valueChanged(int)),
  49                 table, SLOT(setNumberRows(int)));
  50         connect(columnsSB, SIGNAL(valueChanged(int)),
  51                 table, SLOT(setNumberColumns(int)));
  52         connect(rowsSB, SIGNAL(valueChanged(int)),
  53                 this, SLOT(rowsChanged(int)));
  54         connect(columnsSB, SIGNAL(valueChanged(int)),
  55                 this, SLOT(columnsChanged(int)) );
  56         connect(valignCO, SIGNAL(highlighted(QString)),
  57                 this, SLOT(change_adaptor()));
  58         connect(halignED, SIGNAL(textChanged(QString)),
  59                 this, SLOT(change_adaptor()));
  60         connect(decorationCO, SIGNAL(activated(int)),
  61                 this, SLOT(decorationChanged(int)));
  62
  63         bc().setPolicy(ButtonPolicy::IgnorantPolicy);
  64 }
  65
  66
  67 void GuiMathMatrix::columnsChanged(int)
  68 {
  69         char h_align_str[80] = "c";
  70         int const nx = int(columnsSB->value());
  71         for (int i = 0; i < nx; ++i)
  72                 h_align_str[i] = 'c';
  73
  74         h_align_str[nx] = '\0';
  75         halignED->setText(h_align_str);
  76 }
  77
  78
  79 void GuiMathMatrix::rowsChanged(int)
  80 {
  81 }
  82
  83
  84 void GuiMathMatrix::decorationChanged(int deco)
  85 {
  86         // a matrix with a decoration cannot have a vertical alignment
  87         if (deco != 0) {
  88                 alignmentGB->setEnabled(false);
  89                 valignCO->setCurrentIndex(1);
  90                 halignED->clear();
  91         } else
  92                 alignmentGB->setEnabled(true);
  93 }
  94
  95
  96 void GuiMathMatrix::change_adaptor()
  97 {
  98         // FIXME: We need a filter for the halign input
  99 }
 100
 101
 102 void GuiMathMatrix::slotOK()
 103 {
 104         int const nx = columnsSB->value();
 105         int const ny = rowsSB->value();
 106         // a matrix without a decoration is an array,
 107         // otherwise it is an AMS matrix that cannot have a vertical alignment
 108         if (decorationCO->currentIndex() == 0) {
 109                 char v_align_c[] = "tcb";
 110                 char const c = v_align_c[valignCO->currentIndex()];
 111                 QString const sh = halignED->text();
 112                 string const str = fromqstr(
 113                         QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 114                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 115         } else {
 116                 int const deco = decorationCO->currentIndex();
 117                 QString deco_name;
 118                 switch (deco) {
 119                         case 1: deco_name = "bmatrix";
 120                                 break;
 121                         case 2: deco_name = "pmatrix";
 122                                 break;
 123                         case 3: deco_name = "Bmatrix";
 124                                 break;
 125                         case 4: deco_name = "vmatrix";
 126                                 break;
 127                         case 5: deco_name = "Vmatrix";
 128                                 break;
 129                 }
 130                 string const str_ams = fromqstr(
 131                         QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 132                 dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 133         }
 134         close();
 135 }
 136
 137
 138 void GuiMathMatrix::slotClose()
 139 {
 140         close();
 141 }
 142
 143
 144 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 145
 146
 147 } // namespace frontend
 148 } // namespace lyx
 149
 150 #include "moc_GuiMathMatrix.cpp"