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