void QuMCQGridDouble::addOptions(QGridLayout* grid, int row)
{
for (bool first_field : {true, false}) {
const NameValueOptions& opts = first_field ? m_options1 : m_options2;
for (int i = 0; i < opts.size(); ++i) {
McqFunc::addOption(grid, row, colnum(first_field, i),
opts.at(i).name());
}
}
}
void multmat(mat x,mat y,mat &z)
{
createmat(x);
colnum(x);
createmat(y);
colnum(y);
z.mu=x.mu;z.nu=y.nu;z.tu=0;
int arow=0,brow=0,crow=0,ccol=0,tp=0,t=0,q=0,p=0;
int h=0;
int ctemp[500]={0};
if(x.tu*y.tu!=0)
{
for(arow=1;arow<=x.mu;++arow)
{
for(h=0;h<=22;h++)ctemp[h]=0;//当前行各元素累加器清零
z.rpos[arow]=z.tu+1;
if(arow<x.mu)tp=x.rpos[arow+1];
else{tp=x.tu+1;}
for(p=x.rpos[arow];p<tp;++p)
{
brow=x.data[p].j;
if(brow<y.mu)t=y.rpos[brow+1];
else t=y.tu+1;
for(q=y.rpos[brow];q<t;++q)
{
ccol=y.data[q].j;
ctemp[ccol]+=x.data[p].e*y.data[q].e;
}//for q
}//求得z中第crow（=arow）行的非零元
for(ccol=1;ccol<=z.nu;++ccol)
if(ctemp[ccol])
{
if(++z.tu>maxsize)printf("抱歉，矩阵的乘积越界");
z.data[z.tu].i=arow;
z.data[z.tu].j=ccol;
z.data[z.tu].e=ctemp[ccol];
}//if
}//for arow
}//if
printf("现在我们得到了结果（阵列形式）：\n");
printmat(z);
}
QPointer<QWidget> QuMCQGridDouble::makeWidget(Questionnaire* questionnaire)
{
bool read_only = questionnaire->readOnly();
m_widgets1.clear();
m_widgets2.clear();
// As per QuMCQGrid
QGridLayout* grid = new QGridLayout();
grid->setHorizontalSpacing(UiConst::MCQGRID_HSPACING);
grid->setVerticalSpacing(UiConst::MCQGRID_VSPACING);
int n_subtitles = m_subtitles.size();
int n_rows = 1 + n_subtitles + m_questions_with_fields.size();
int n_cols = m_options1.size() + m_options2.size() + 3;
Qt::Alignment response_align = McqFunc::response_widget_align;
int row = 0;
// First column: titles, subtitles, questions
// Then vertical break
// Then m_options1
// Then vertical break
// Then m_options2
// I note in passing:
// http://stackoverflow.com/questions/25101085/style-sheet-is-appliped-to-the-cells-in-qgridlayout-instead-of-the-parent-contai
// Title row
McqFunc::addOptionBackground(grid, row, 0, n_cols);
McqFunc::addTitle(grid, row, m_title);
addOptions(grid, row);
++row; // new row after title/option text
// Main question rows (with any preceding subtitles)
for (int qi = 0; qi < m_questions_with_fields.size(); ++qi) {
// Any preceding subtitles?
for (int s = 0; s < n_subtitles; ++s) {
const McqGridSubtitle& sub = m_subtitles.at(s);
if (sub.pos() == qi) {
// Yes. Add a subtitle row.
McqFunc::addOptionBackground(grid, row, 0, n_cols);
McqFunc::addSubtitle(grid, row, sub.string());
if (sub.repeatOptions()) {
addOptions(grid, row);
}
++row; // new row after subtitle
}
}
// The question
McqFunc::addQuestion(grid, row,
m_questions_with_fields.at(qi).question());
// The response widgets
for (bool first : {true, false}) {
const NameValueOptions& opts = first ? m_options1 : m_options2;
int n_options = opts.size();
QList<QList<QPointer<BooleanWidget>>>& widgets =
first ? m_widgets1 : m_widgets2;
QList<QPointer<BooleanWidget>> question_widgets;
for (int vi = 0; vi < n_options; ++vi) {
QPointer<BooleanWidget> w = new BooleanWidget();
w->setAppearance(BooleanWidget::Appearance::Radio);
w->setReadOnly(read_only);
if (!read_only) {
connect(w, &BooleanWidget::clicked,
std::bind(&QuMCQGridDouble::clicked,
this, qi, first, vi));
}
grid->addWidget(w, row, colnum(first, vi), response_align);
question_widgets.append(w);
}
widgets.append(question_widgets);
}
++row; // new row after question/response widgets
}
// Set widths, if asked
if (m_question_width > 0 &&
m_option1_widths.size() == m_options1.size() &&
m_option2_widths.size() == m_options2.size()) {
grid->setColumnStretch(0, m_question_width);
for (bool first : {true, false}) {
QList<int>& widths = first ? m_option1_widths : m_option2_widths;
for (int i = 0; i < widths.size(); ++i) {
grid->setColumnStretch(colnum(first, i), widths.at(i));
}
}
}
// Vertical lines
McqFunc::addVerticalLine(grid, spacercol(true), n_rows);
McqFunc::addVerticalLine(grid, spacercol(false), n_rows);
QPointer<QWidget> widget = new QWidget();
widget->setLayout(grid);
widget->setObjectName("mcq_grid_double");
if (m_expand) {
widget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
} else {
widget->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
}
setFromFields();
return widget;
}
