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 #include "support/docstring.h"
  23
  24 #include <QLineEdit>
  25 #include <QPushButton>
  26 #include <QSpinBox>
  27
  28 using namespace std;
  29
  30 namespace lyx {
  31 namespace frontend {
  32
  33 static char const * const DecoChars[] = {
  34         N_("None"),
  35         N_("[x]"),
  36         N_("(x)"),
  37         N_("{x}"),
  38         N_("|x|"),
  39         N_("||x||"),
  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         ""
  50 };
  51
  52 static char const * const VertAligns[] = {
  53         N_("Top"),
  54         N_("Middle"),
  55         N_("Bottom"),
  56         ""
  57 };
  58
  59 static char const v_align_c[] = "tcb";
  60
  61
  62 GuiMathMatrix::GuiMathMatrix(GuiView & lv)
  63         : GuiDialog(lv, "mathmatrix", qt_("Math Matrix"))
  64 {
  65         setupUi(this);
  66
  67         table->setMinimumSize(100, 100);
  68         rowsSB->setValue(5);
  69         columnsSB->setValue(5);
  70         valignCO->setCurrentIndex(1);
  71         decorationCO->setCurrentIndex(0);
  72
  73         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  74         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  75
  76         connect(table, SIGNAL(rowsChanged(int)),
  77                 rowsSB, SLOT(setValue(int)));
  78         connect(table, SIGNAL(colsChanged(int)),
  79                 columnsSB, SLOT(setValue(int)));
  80         connect(rowsSB, SIGNAL(valueChanged(int)),
  81                 table, SLOT(setNumberRows(int)));
  82         connect(columnsSB, SIGNAL(valueChanged(int)),
  83                 table, SLOT(setNumberColumns(int)));
  84         connect(rowsSB, SIGNAL(valueChanged(int)),
  85                 this, SLOT(change_adaptor()));
  86         connect(columnsSB, SIGNAL(valueChanged(int)),
  87                 this, SLOT(columnsChanged(int)) );
  88         connect(valignCO, SIGNAL(highlighted(QString)),
  89                 this, SLOT(change_adaptor()));
  90         connect(halignED, SIGNAL(textChanged(QString)),
  91                 this, SLOT(change_adaptor()));
  92         connect(decorationCO, SIGNAL(activated(int)),
  93                 this, SLOT(decorationChanged(int)));
  94
  95         for (int i = 0; *VertAligns[i]; ++i)
  96                 valignCO->addItem(qt_(VertAligns[i]));
  97         for (int i = 0; *DecoChars[i]; ++i)
  98                 decorationCO->addItem(qt_(DecoChars[i]));
  99
 100         bc().setPolicy(ButtonPolicy::IgnorantPolicy);
 101 }
 102
 103
 104 void GuiMathMatrix::columnsChanged(int)
 105 {
 106         int const nx = int(columnsSB->value());
 107         halignED->setText(QString(nx, 'c'));
 108 }
 109
 110
 111 void GuiMathMatrix::decorationChanged(int deco)
 112 {
 113         // a matrix with a decoration cannot have a vertical alignment
 114         if (deco != 0) {
 115                 valignCO->setEnabled(false);
 116                 valignCO->setCurrentIndex(1);
 117         } else
 118                 valignCO->setEnabled(true);
 119 }
 120
 121
 122 void GuiMathMatrix::change_adaptor()
 123 {
 124         // FIXME: We need a filter for the halign input
 125 }
 126
 127
 128 void GuiMathMatrix::slotOK()
 129 {
 130         int const nx = columnsSB->value();
 131         int const ny = rowsSB->value();
 132         // a matrix without a decoration is an array,
 133         // otherwise it is an AMS matrix
 134         // decorated matrices cannot have a vertical alignment
 135
 136         char const c = v_align_c[valignCO->currentIndex()];
 137         QString const sh = halignED->text();
 138         string const str = fromqstr(
 139                 QString("%1 %2 %3 %4").arg(nx).arg(ny).arg(c).arg(sh));
 140
 141         if (decorationCO->currentIndex() != 0) {
 142                 int const deco = decorationCO->currentIndex();
 143                 QString deco_name = DecoNames[deco - 1];
 144                 // only if a special alignment is set create a 1x1 AMS array in which
 145                 // a normal array will be created, otherwise create just a normal AMS array
 146                 if (sh.contains('l') || sh.contains('r')) {
 147                         string const str_ams = fromqstr(
 148                                 QString("%1 %2 %3").arg(int(1)).arg(int(1)).arg(deco_name));
 149                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 150                 } else {
 151                         string const str_ams = fromqstr(
 152                                 QString("%1 %2 %3").arg(nx).arg(ny).arg(deco_name));
 153                         dispatch(FuncRequest(LFUN_MATH_AMS_MATRIX, str_ams));
 154                         close();
 155                         return;
 156                 }
 157         }
 158         // create the normal array
 159                 dispatch(FuncRequest(LFUN_MATH_MATRIX, str));
 160         close();
 161 }
 162
 163
 164 void GuiMathMatrix::slotClose()
 165 {
 166         close();
 167 }
 168
 169
 170 Dialog * createGuiMathMatrix(GuiView & lv) { return new GuiMathMatrix(lv); }
 171
 172
 173 } // namespace frontend
 174 } // namespace lyx
 175
 176 #include "moc_GuiMathMatrix.cpp"