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  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "GuiMathMatrix.h"
  14
  15 #include "EmptyTable.h"
  16 #include "qt_helpers.h"
  17
  18 #include "FuncRequest.h"
  19
  20 #include <QLineEdit>
  21 #include <QPushButton>
  22 #include <QSpinBox>
  23
  24 using namespace std;
  25
  26 namespace lyx {
  27 namespace frontend {
  28
  29 GuiMathMatrix::GuiMathMatrix(GuiView & lv)
  30         : GuiDialog(lv, "mathmatrix", qt_("Math Matrix"))
  31 {
  32         setupUi(this);
  33
  34         table->setMinimumSize(100, 100);
  35         rowsSB->setValue(5);
  36         columnsSB->setValue(5);
  37         valignCO->setCurrentIndex(1);
  38         decorationCO->setCurrentIndex(0);
  39
  40         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  41         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  42
  43         connect(table, SIGNAL(rowsChanged(int)),
  44                 rowsSB, SLOT(setValue(int)));
  45         connect(table, SIGNAL(colsChanged(int)),
  46                 columnsSB, SLOT(setValue(int)));
  47         connect(rowsSB, SIGNAL(valueChanged(int)),
  48                 table, SLOT(setNumberRows(int)));
  49         connect(columnsSB, SIGNAL(valueChanged(int)),
  50                 table, SLOT(setNumberColumns(int)));
  51         connect(rowsSB, SIGNAL(valueChanged(int)),
  52                 this, SLOT(rowsChanged(int)));
  53         connect(columnsSB, SIGNAL(valueChanged(int)),
  54                 this, SLOT(columnsChanged(int)) );
  55         connect(valignCO, SIGNAL(highlighted(QString)),
  56                 this, SLOT(change_adaptor()));
  57         connect(halignED, SIGNAL(textChanged(QString)),
  58                 this, SLOT(change_adaptor()));
  59         connect(decorationCO, SIGNAL(activated(int)),
  60                 this, SLOT(decorationChanged(int)));
  61
  62         bc().setPolicy(ButtonPolicy::IgnorantPolicy);
  63 }
  64
  65
  66 void GuiMathMatrix::columnsChanged(int)
  67 {
  68         char h_align_str[80] = "c";
  69         int const nx = int(columnsSB->value());
  70         for (int i = 0; i < nx; ++i)
  71                 h_align_str[i] = 'c';
  72
  73         h_align_str[nx] = '\0';
  74         halignED->setText(h_align_str);
  75 }
  76
  77
  78 void GuiMathMatrix::rowsChanged(int)
  79 {
  80 }
  81
  82
  83 void GuiMathMatrix::decorationChanged(int deco)
  84 {
  85         // a matrix with a decoration cannot have a vertical alignment
  86         if (deco != 0) {
  87                 alignmentGB->setEnabled(false);
  88                 valignCO->setCurrentIndex(1);
  89                 halignED->clear();
  90         } else
  91                 alignmentGB->setEnabled(true);
  92 }
  93
  94
  95 void GuiMathMatrix::change_adaptor()
  96 {
  97         // FIXME: We need a filter for the halign input
  98 }
  99
 100
 101 void GuiMathMatrix::slotOK()
 102 {
 103         int const nx = columnsSB->value();
 104         int const ny = rowsSB->value();
 105         // a matrix without a decoration is an array,
 106         // otherwise it is an AMS matrix that cannot have a vertical alignment
 107         if (decorationCO->currentIndex() == 0) {
 108                 char v_align_c[] = "tcb";
 109                 char const c = v_align_c[valignCO->currentIndex()];
 110                 QString const sh = halignED->text();
 111                 string const str = fromqstr(
 112                         QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 113                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 114         } else {
 115                 int const deco = decorationCO->currentIndex();
 116                 QString deco_name;
 117                 switch (deco) {
 118                         case 1: deco_name = "bmatrix";
 119                                 break;
 120                         case 2: deco_name = "pmatrix";
 121                                 break;
 122                         case 3: deco_name = "Bmatrix";
 123                                 break;
 124                         case 4: deco_name = "vmatrix";
 125                                 break;
 126                         case 5: deco_name = "Vmatrix";
 127                                 break;
 128                 }
 129                 string const str_ams = fromqstr(
 130                         QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 131                 dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 132         }
 133         close();
 134 }
 135
 136
 137 void GuiMathMatrix::slotClose()
 138 {
 139         close();
 140 }
 141
 142
 143 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 144
 145
 146 } // namespace frontend
 147 } // namespace lyx
 148
 149 #include "moc_GuiMathMatrix.cpp"