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(change_adaptor()));
  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         int const nx = int(columnsSB->value());
  70         halignED->setText(QString(nx, 'c'));
  71 }
  72
  73
  74 void GuiMathMatrix::decorationChanged(int deco)
  75 {
  76         // a matrix with a decoration cannot have a vertical alignment
  77         if (deco != 0) {
  78                 valignCO->setEnabled(false);
  79                 valignCO->setCurrentIndex(1);
  80         } else
  81                 valignCO->setEnabled(true);
  82 }
  83
  84
  85 void GuiMathMatrix::change_adaptor()
  86 {
  87         // FIXME: We need a filter for the halign input
  88 }
  89
  90
  91 void GuiMathMatrix::slotOK()
  92 {
  93         int const nx = columnsSB->value();
  94         int const ny = rowsSB->value();
  95         // a matrix without a decoration is an array,
  96         // otherwise it is an AMS matrix
  97         // decorated matrices cannot have a vertical alignment
  98
  99         char v_align_c[] = "tcb";
 100         char const c = v_align_c[valignCO->currentIndex()];
 101         QString const sh = halignED->text();
 102         string const str = fromqstr(
 103                 QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 104
 105         if (decorationCO->currentIndex() != 0) {
 106                 int const deco = decorationCO->currentIndex();
 107                 QString deco_name;
 108                 switch (deco) {
 109                         case 1: deco_name = "bmatrix";
 110                                 break;
 111                         case 2: deco_name = "pmatrix";
 112                                 break;
 113                         case 3: deco_name = "Bmatrix";
 114                                 break;
 115                         case 4: deco_name = "vmatrix";
 116                                 break;
 117                         case 5: deco_name = "Vmatrix";
 118                                 break;
 119                 }
 120                 // only if a special alignment is set create a 1x1 AMS array in which
 121                 // a normal array will be created, otherwise create just a normal AMS array
 122                 if (sh.contains('l') > 0 || sh.contains('r') > 0) {
 123                         string const str_ams = fromqstr(
 124                                 QString("%1 %2 %3").arg(int(1)).arg(int(1)).arg(deco_name));
 125                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 126                 } else {
 127                         string const str_ams = fromqstr(
 128                                 QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 129                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 130                         close();
 131                         return;
 132                 }
 133         }
 134         // create the normal array
 135                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 136         close();
 137 }
 138
 139
 140 void GuiMathMatrix::slotClose()
 141 {
 142         close();
 143 }
 144
 145
 146 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 147
 148
 149 } // namespace frontend
 150 } // namespace lyx
 151
 152 #include "moc_GuiMathMatrix.cpp"