V new_pair(V first, V second)
{
V t = make_new_value(T_PAIR, true, sizeof(V) * 2);
toFirst(t) = first;
toSecond(t) = second;
return t;
}
uint32_t get_hash(V v)
{
int t = getType(v);
if (t == T_STR)
{
return need_hash(v);
}
else if (t == T_NUM)
{
return (uint32_t)toNumber(v);
}
else if (t == T_PAIR)
{
return get_hash(toFirst(v)) + get_hash(toSecond(v));
}
else if (t == T_FRAC)
{
return toNumerator(v) ^ toDenominator(v);
}
else
{
return (unsigned long)v >> 4;
/* This discards 4 bits.
* The reason is that allocated addresses are usually
* aligned to some extent.
* It might get rid of some entropy, though the original
* amount was probably low enough already.
* If you have a better solution, please share.
*/
}
}
bool persist_collect_(V original, HashMap *hm)
{
int type = getType(original);
HashMap *hmv;
Bucket *b;
int i;
if (type == T_SCOPE || type == T_FUNC || type == T_CFUNC)
{
return false;
}
if (get_hashmap(hm, original) != NULL)
{
return true;
}
set_hashmap(hm, original, intToV(-pair_ordinal(original)-1));
switch(type)
{
case T_STR:
case T_IDENT:
case T_NUM:
case T_FRAC:
break;
case T_LIST:
for (i = 0; i < toStack(original)->used; i++)
{
if (!persist_collect_(toStack(original)->nodes[i], hm))
{
return false;
}
}
break;
case T_DICT:
hmv = toHashMap(original);
if (hmv->map != NULL)
{
for (i = 0; i < hmv->size; i++)
{
b = hmv->map[i];
while(b != NULL)
{
if (!persist_collect_(b->key, hm) ||!persist_collect_(b->value, hm))
{
return false;
}
b = b->next;
}
}
}
break;
case T_PAIR:
if (!persist_collect_(toFirst(original), hm) || !persist_collect_(toSecond(original), hm))
return false;
break;
}
return true;
}
long int pair_ordinal(V p)
{
if (getType(p) != T_PAIR)
{
return 0;
}
int o1 = pair_ordinal(toFirst(p));
int o2 = pair_ordinal(toSecond(p));
return (o1 > o2 ? o1 : o2) + 1;
}
SqlItemView::SqlItemView(QWidget * parent)
: QWidget(parent),
m_row(0),
m_changing(false),
m_model(0)
{
setupUi(this);
connect(firstButton, SIGNAL(clicked()),
this, SLOT(toFirst()));
connect(previousButton, SIGNAL(clicked()),
this, SLOT(toPrevious()));
connect(nextButton, SIGNAL(clicked()),
this, SLOT(toNext()));
connect(lastButton, SIGNAL(clicked()),
this, SLOT(toLast()));
connect(qApp, SIGNAL(focusChanged(QWidget*,QWidget*)),
this, SLOT(aApp_focusChanged(QWidget*,QWidget*)));
}
docItem::docItem(QList<int> _list, int _curr, int _doc, QWidget *parent):QDialog(parent){
ui.setupUi(this);
list = _list;
curr = _curr;
doc = _doc;
QSqlQuery _v(QString("select docs.vid from docs where docs.id = \'%1\'").arg(doc));
_v.next();
vid = _v.value(0).toInt();
ui.spinBox_id_book->hide();
ui.tableWidget_res->setColumnHidden(0, true);
ui.tableWidget_res->setColumnHidden(7, true);
ui.tableWidget_res->setColumnHidden(8, true);
if (vid == 1){
ui.tableWidget_res->setColumnHidden(6, true);
ui.radioButton_identifier->hide();
} else if (vid == 2){
ui.lineEdit_place->hide();
ui.label_3->hide();
ui.lineEdit_identifier->setReadOnly(true);
}
openItem();
readSetting();
connect(ui.pushButton_close, SIGNAL(clicked()), this, SLOT(close()));
connect(ui.lineEdit_search, SIGNAL(textEdited(QString)), this, SLOT(searchBook(QString)));
connect(ui.tableWidget_res, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(selectBook()));
connect(ui.pushButton_save, SIGNAL(clicked()), this, SLOT(saveItem()));
connect(ui.pushButton_del, SIGNAL(clicked()), this, SLOT(deleteItem()));
connect(ui.pushButton_toFirst, SIGNAL(clicked()), this, SLOT(toFirst()));
connect(ui.pushButton_toLast, SIGNAL(clicked()), this, SLOT(toLast()));
connect(ui.pushButton_toNext, SIGNAL(clicked()), this, SLOT(toNext()));
connect(ui.pushButton_toPrev, SIGNAL(clicked()), this, SLOT(toPrev()));
}
EmployeeForm::EmployeeForm(int id, QWidget *parent)
: QDialog(parent)
{
nameEdit = new QLineEdit;
nameLabel = new QLabel(tr("Na&me:"));
nameLabel->setBuddy(nameEdit);
departmentComboBox = new QComboBox;
departmentLabel = new QLabel(tr("Depar&tment:"));
departmentLabel->setBuddy(departmentComboBox);
extensionLineEdit = new QLineEdit;
extensionLineEdit->setValidator(
new QIntValidator(0, 99999, this));
extensionLabel = new QLabel(tr("E&xtension:"));
extensionLabel->setBuddy(extensionLineEdit);
emailEdit = new QLineEdit;
emailLabel = new QLabel(tr("&Email:"));
emailLabel->setBuddy(emailEdit);
startDateEdit = new QDateEdit;
startDateEdit->setCalendarPopup(true);
QDate today = QDate::currentDate();
startDateEdit->setDateRange(
today.addDays(-90), today.addDays(90));
startDateLabel = new QLabel(tr("&Start Date:"));
startDateLabel->setBuddy(startDateEdit);
firstButton = new QPushButton(tr("<< &First"));
previousButton = new QPushButton(tr("< &Previous"));
nextButton = new QPushButton(tr("&Next >"));
lastButton = new QPushButton(tr("&Last >>"));
addButton = new QPushButton(tr("&Add"));
deleteButton = new QPushButton(tr("&Delete"));
closeButton = new QPushButton(tr("&Close"));
buttonBox = new QDialogButtonBox;
buttonBox->addButton(addButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(deleteButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(closeButton, QDialogButtonBox::AcceptRole);
tableModel = new QSqlRelationalTableModel(this);
tableModel->setTable("employee");
tableModel->setRelation(Employee_DepartmentId,
QSqlRelation("department", "id", "name"));
tableModel->setSort(Employee_Name, Qt::AscendingOrder);
tableModel->select();
QSqlTableModel *relationModel =
tableModel->relationModel(Employee_DepartmentId);
departmentComboBox->setModel(relationModel);
departmentComboBox->setModelColumn(
relationModel->fieldIndex("name"));
mapper = new QDataWidgetMapper(this);
mapper->setSubmitPolicy(QDataWidgetMapper::AutoSubmit);
mapper->setModel(tableModel);
mapper->setItemDelegate(new QSqlRelationalDelegate(this));
mapper->addMapping(nameEdit, Employee_Name);
mapper->addMapping(departmentComboBox, Employee_DepartmentId);
mapper->addMapping(extensionLineEdit, Employee_Extension);
mapper->addMapping(emailEdit, Employee_Email);
mapper->addMapping(startDateEdit, Employee_StartDate);
if (id != -1)
{
for (int row = 0; row < tableModel->rowCount(); ++row)
{
QSqlRecord record = tableModel->record(row);
if (record.value(Employee_Id).toInt() == id) {
mapper->setCurrentIndex(row);
break;
}
}
}
else
{
mapper->toFirst();
}
connect(firstButton, SIGNAL(clicked()), mapper, SLOT(toFirst()));
connect(previousButton, SIGNAL(clicked()),
mapper, SLOT(toPrevious()));
connect(nextButton, SIGNAL(clicked()), mapper, SLOT(toNext()));
connect(lastButton, SIGNAL(clicked()), mapper, SLOT(toLast()));
connect(addButton, SIGNAL(clicked()),
this, SLOT(addEmployee()));
connect(deleteButton, SIGNAL(clicked()),
this, SLOT(deleteEmployee()));
connect(closeButton, SIGNAL(clicked()), this, SLOT(accept()));
QHBoxLayout *topButtonLayout = new QHBoxLayout;
topButtonLayout->setContentsMargins(20, 0, 20, 5);
topButtonLayout->addStretch();
topButtonLayout->addWidget(firstButton);
topButtonLayout->addWidget(previousButton);
topButtonLayout->addWidget(nextButton);
topButtonLayout->addWidget(lastButton);
topButtonLayout->addStretch();
QGridLayout *mainLayout = new QGridLayout;
mainLayout->addLayout(topButtonLayout, 0, 0, 1, 3);
mainLayout->addWidget(nameLabel, 1, 0);
mainLayout->addWidget(nameEdit, 1, 1, 1, 2);
mainLayout->addWidget(departmentLabel, 2, 0);
mainLayout->addWidget(departmentComboBox, 2, 1, 1, 2);
mainLayout->addWidget(extensionLabel, 3, 0);
mainLayout->addWidget(extensionLineEdit, 3, 1);
mainLayout->addWidget(emailLabel, 4, 0);
mainLayout->addWidget(emailEdit, 4, 1, 1, 2);
mainLayout->addWidget(startDateLabel, 5, 0);
mainLayout->addWidget(startDateEdit, 5, 1);
mainLayout->addWidget(buttonBox, 7, 0, 1, 3);
mainLayout->setRowMinimumHeight(6, 10);
mainLayout->setRowStretch(6, 1);
mainLayout->setColumnStretch(2, 1);
setLayout(mainLayout);
if (id == -1) {
nextButton->setFocus();
} else {
nameEdit->setFocus();
}
setWindowTitle(tr("Edit Employees"));
}
// Another constructor for string list iterator.
strlistiterator::strlistiterator (strlist * s) {
_strlist = s;
toLast ();
toFirst ();
}
// Constructor for string list iterator.
strlistiterator::strlistiterator (strlist & s) {
_strlist = &s;
toLast ();
toFirst ();
}
valuelistiterator<type_t>::valuelistiterator (valuelist<type_t> & v) {
_valuelist = &v;
toLast ();
toFirst ();
}
PaymentForm::PaymentForm(QSqlRelationalTableModel *modelCome, int id,
QWidget *parent)
: QDialog(parent),
ui(new Ui::PaymentDialog)
{
ui->setupUi(this);
model = modelCome;
QSqlTableModel *relModel = model->relationModel(Payment_Customer_id);
ui->customerComboBox->setModel(relModel);
ui->customerComboBox->setModelColumn(relModel->fieldIndex("surname"));
relModel = model->relationModel(Payment_Work_id - 1);
ui->workComboBox->setModel(relModel);
ui->workComboBox->setModelColumn(relModel->fieldIndex("name"));
ui->priceEdit->setValidator(new QIntValidator(0, 999999, this));
mapper = new QDataWidgetMapper(this);
mapper->setModel(model);
mapper->addMapping(ui->customerComboBox, Payment_Customer_id);
mapper->addMapping(ui->workComboBox, Payment_Work_id - 1);
mapper->addMapping(ui->dateEdit, Payment_Date - 1);
mapper->addMapping(ui->priceEdit, Payment_Price - 1);
mapper->setSubmitPolicy(QDataWidgetMapper::AutoSubmit);
mapper->setItemDelegate(new QSqlRelationalDelegate(this));
if (id != -1) {
for (int row = 0; row < model->rowCount(); ++row) {
QSqlRecord record = model->record(row);
if (record.value(Payment_Payment_id).toInt() == id) {
mapper->setCurrentIndex(row);
break;
}
}
} else {
mapper->toFirst();
}
connect(ui->firstButton, SIGNAL(clicked()), mapper, SLOT(toFirst()));
connect(ui->previousButton, SIGNAL(clicked()),
mapper, SLOT(toPrevious()));
connect(ui->nextButton, SIGNAL(clicked()), mapper, SLOT(toNext()));
connect(ui->lastButton, SIGNAL(clicked()), mapper, SLOT(toLast()));
connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addRecord()));
connect(ui->deleteButton, SIGNAL(clicked()),
this, SLOT(deleteRecord()));
connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(accept()));
connect(mapper, SIGNAL(currentIndexChanged(int)),
this, SLOT(updateButtons(int)));
connect(ui->workComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(updateFields(int)));
if (id == -1) {
ui->nextButton->setFocus();
} else {
ui->customerComboBox->setFocus();
}
int row = mapper->currentIndex();
updateButtons(row);
if (row == -1) {
addRecord();
}
}
ptrlistiterator<type_t>::ptrlistiterator (ptrlist<type_t> & p) {
_ptrlist = &p;
toLast ();
toFirst ();
}
void write_object(FILE *file, V obj, HashMap *hm)
{
int t = getType(obj);
union double_or_uint64_t num;
ITreeNode *id = NULL;
NewString *s = NULL;
Stack *st;
HashMap *hmv;
int8_t n8;
uint8_t l8;
int32_t n32;
uint32_t l32;
int64_t n64;
uint64_t l64;
int i;
Bucket *b;
char type = t;
switch (t)
{
case T_NUM:
if (canBeSmallInt(obj))
type |= TYPE_SHORT;
break;
case T_IDENT:
id = toIdent(obj);
if (id->length < 256)
type |= TYPE_SHORT;
break;
case T_STR:
s = toNewString(obj);
if (s->size < 256)
type |= TYPE_SHORT;
break;
case T_FRAC:
if (toNumerator(obj) < 128 && toNumerator(obj) >= -128 &&
toDenominator(obj) < 256)
type |= TYPE_SHORT;
break;
}
fwrite(&type, 1, 1, file);
switch (t)
{
case T_IDENT:
if (type & TYPE_SHORT)
{
l8 = id->length;
fwrite(&l8, 1, 1, file);
}
else
{
l32 = id->length;
l32 = htonl(l32);
fwrite(&l32, 4, 1, file);
}
fwrite(&id->data, id->length, 1, file);
break;
case T_STR:
if (type & TYPE_SHORT)
{
l8 = s->size;
fwrite(&l8, 1, 1, file);
}
else
{
l32 = s->size;
l32 = htonl(l32);
fwrite(&l32, 4, 1, file);
}
fwrite(s->text, s->size, 1, file);
break;
case T_NUM:
if (type & TYPE_SHORT)
{
n32 = toInt(obj);
n32 = htonl(n32);
fwrite(((char*)&n32) + 1, 3, 1, file);
}
else
{
num.d = toNumber(obj);
num.i = htonll(num.i);
fwrite(&num, 8, 1, file);
}
break;
case T_FRAC:
if (type & TYPE_SHORT)
{
n8 = toNumerator(obj);
fwrite(&n8, 1, 1, file);
l8 = toDenominator(obj);
fwrite(&l8, 1, 1, file);
}
else
{
n64 = toNumerator(obj);
n64 = htonl(n64);
fwrite(&n64, 8, 1, file);
l64 = toDenominator(obj);
l64 = htonl(l64);
fwrite(&l64, 8, 1, file);
}
break;
case T_PAIR:
write_ref(file, toFirst(obj), hm);
write_ref(file, toSecond(obj), hm);
break;
case T_LIST:
st = toStack(obj);
l32 = st->used;
l32 = htonl(l32);
fwrite(&l32, 4, 1, file);
for (i = 0; i < st->used; i++)
{
write_ref(file, st->nodes[i], hm);
}
break;
case T_DICT:
hmv = toHashMap(obj);
l32 = hmv->used;
l32 = htonl(l32);
fwrite(&l32, 4, 1, file);
if (hmv->map != NULL)
{
for (i = 0; i < hmv->size; i++)
{
b = hmv->map[i];
while(b != NULL)
{
write_ref(file, b->key, hm);
write_ref(file, b->value, hm);
b = b->next;
}
}
}
break;
}
}
MovimentoEditDialog::MovimentoEditDialog(QSqlRelationalTableModel* model,
ColumnIndexes & colInd,
int curRow,
bool canSubmit, QWidget *parent)
: QDialog(parent)
, ui(new Ui::MovimentoEditDialog)
, m_movModel(model)
, m_insert(curRow<0) // se linha < 0, então é inserção, do contrário é edição
, m_canSubmit(canSubmit)
, m_colInd(colInd)
{
ui->setupUi(this);
if ( m_insert )
ui->movimentoNavGroup->hide(); // se vai inserir, não haverá havegação.
// seta as comboBox para que sejam alimentadas pelo relacionamento correspondente
// exibindo a coluna "nome" ao inves de "id":
// nomes de clientes na respectiva combo:
QSqlTableModel *cliRelationModel =
m_movModel->relationModel(m_colInd.movClienteId);
ui->clienteCombo->setModel(cliRelationModel);
ui->clienteCombo->setModelColumn(cliRelationModel->fieldIndex("name"));
// como o relation model só duas colunas (chave e valor), poderia:
//ui->clienteCombo->setModelColumn(1); // índice da coluna valor
ui->clienteCombo->model()->sort(cliRelationModel->fieldIndex("name"), Qt::AscendingOrder);
// tipos de movimento na respectiva combo:
QSqlTableModel *tipoRelationModel = m_movModel->relationModel(m_colInd.movTipoId);
ui->tipoCombo->setModel(tipoRelationModel);
ui->tipoCombo->setModelColumn(tipoRelationModel->fieldIndex("name"));
ui->tipoCombo->model()->sort(tipoRelationModel->fieldIndex("name"), Qt::AscendingOrder);
// * ^^ Nos 2 "relationModel" acima, temos sempre duas colunas: "chave" e "valor associado".
// cria um mapeador que relacionará widgets "sem-model" com
// as colunas respectivas do model:
m_movMapper = new QDataWidgetMapper(this);
// "submitPolicy": "auto" ou "manual"; se "auto" irá completar alterações se a linha selecionada for alterada
m_movMapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit); // "manual" -> teremos que chamar "submit" no momento apropriado.
// define o "model" a ser usado pelo "mapper":
m_movMapper->setModel(m_movModel);
// define o delegate que permite exibir colunas relacionadas em comboBox's
m_movMapper->setItemDelegate(new QSqlRelationalDelegate(this));
// mapeia cada widget necessário para a coluna respectiva no model:
m_movMapper->addMapping(ui->clienteCombo, m_colInd.movClienteId);
m_movMapper->addMapping(ui->tipoCombo, m_colInd.movTipoId);
m_movMapper->addMapping(ui->movDate, m_colInd.movDate);
m_movMapper->addMapping(ui->descrEdit, m_colInd.movDescription);
// conecta os botões de navegação diretamente aos slots do "mapper"
// (neste caso, não é necessário criar novos slots para isso, exceto se quisermos fazer algo diferenciado)
if ( !m_insert )
{
connect(ui->movimentoNavFirstBtn, SIGNAL(clicked()),
m_movMapper, SLOT(toFirst()));
connect(ui->movimentoNavPrevBtn, SIGNAL(clicked()),
m_movMapper, SLOT(toPrevious()));
connect(ui->movimentoNavNextBtn, SIGNAL(clicked()),
m_movMapper, SLOT(toNext()));
connect(ui->movimentoNavLastBtn, SIGNAL(clicked()),
m_movMapper, SLOT(toLast()));
}
// se for inserir, deve criar nova linha no model
if ( m_insert ) // INSERIR
{
// insere uma nova linha no model (caso o insert seja cancelado, deverá ser removida):
curRow = m_movModel->rowCount(); // altera curRow para o total de linhas
// rowCount -> total de linhas -> uma nova linha no final:
m_movModel->insertRow(curRow);
// em inclusão, seta widgets de data (para forçar o default):
ui->movDate->setDate( QDate::currentDate() );
setWindowTitle("INCLUIR novo movimento - "); // título do diálogo
}
else // ALTERAR
setWindowTitle("ALTERAR um movimento - "); // título do diálogo
QSqlDatabase db = m_movModel->database();
setWindowTitle( windowTitle() + db.driverName());
m_movMapper->setCurrentIndex(curRow); // seta a "row" do mapper
// desabilta a opção do menu de sistema "fechar" ("X");
// desse modo só poderá fechar o diálogo com os botões "OK" e "CANCELAR"
// e não precisaremos redefinir a virtual "closeEvent" para finalzação
Qt::WindowFlags flags = windowFlags();
flags |= Qt::CustomizeWindowHint; // acrescenta: flags customizados
flags &= ~Qt::WindowCloseButtonHint; // desabilita: closeButton
setWindowFlags(flags);
}
/**
* 隧道管理界面类实现
* 继承自QWidget
* @author fanxiang
* @version 1.0.0
* @date 2013-08-18
*/
ManageTunnelWidget::ManageTunnelWidget(QWidget *parent) :
QWidget(parent),
ui(new Ui::ManageTunnelWidget)
{
ui->setupUi(this);
mapper = new QDataWidgetMapper(this);
linesModel = NULL;
tunnelsModel = NULL;
curvesModel = NULL;
loadLinesData();
loadTunnelData();
/* 开始选中查找模式为学号模式 */
ui->radioButton->click();
/* 开始不能修改 */
currentRow = 0;
changed = false;
saveType = Save_Modify;
cannotModify();
/* 线路及隧道数据列表更新信号槽 */
connect(ui->linesView, SIGNAL(clicked(QModelIndex)), this, SLOT(updateTunnelsView(const QModelIndex &)));
// 【作废】updateCurvesView已在setCurrentMapper中调用
//connect(ui->tunnelsView, SIGNAL(clicked(QModelIndex)), this, SLOT(updateCurvesView(const QModelIndex &)));
/* 添加删除隧道槽 */
connect(ui->newTunnelButton, SIGNAL(clicked()), this, SLOT(newTunnel()));
connect(ui->deleteTunnelButton, SIGNAL(clicked()), this, SLOT(deleteTunnel()));
/* 添加删除隧道对应曲线槽 */
//connect(ui->curvesView, SIGNAL(itemChanged(QTableWidgetItem*)), this, SLOT(changeCurveData()));
connect(ui->newCurveButton, SIGNAL(clicked()), this, SLOT(newCurve()));
connect(ui->deleteCurveButton, SIGNAL(clicked()), this, SLOT(deleteCurve()));
/* 刷新线路隧道 */
connect(ui->refreshButton, SIGNAL(clicked()), this, SLOT(refreshLinesView()));
/* 具体隧道信息信号槽 */
connect(ui->tunnelsView, SIGNAL(clicked(QModelIndex)), this, SLOT(showTunnelDetail(const QModelIndex &)));
//connect(ui->stumajorcombobox, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(updateStuClasses(const QString &)));
/* 修改隧道信息信号槽 */
connect(ui->lineEdit_tunnelid, SIGNAL(textChanged(QString)), this, SLOT(canSave()));
connect(ui->lineEdit_name, SIGNAL(textChanged(QString)), this, SLOT(canSave()));
connect(ui->lineEdit_IDstd, SIGNAL(textChanged(QString)), this, SLOT(canSave()));
connect(ui->lineEdit_startPoint, SIGNAL(textChanged(QString)), this, SLOT(canSave()));
connect(ui->lineEdit_endPoint, SIGNAL(textChanged(QString)), this, SLOT(canSave()));
connect(ui->combobox_isNewLine, SIGNAL(currentIndexChanged(int)), this, SLOT(canSave()));
connect(ui->combobox_lineType, SIGNAL(currentIndexChanged(int)), this, SLOT(canSave()));
connect(ui->radioButton_isDoubleLine, SIGNAL(clicked()), this, SLOT(canSave()));
connect(ui->radioButton_isSingleLine, SIGNAL(clicked()), this, SLOT(canSave()));
connect(ui->radioButton_isUpLink, SIGNAL(clicked()), this, SLOT(canSave()));
connect(ui->radioButton_isDownLink, SIGNAL(clicked()), this, SLOT(canSave()));
connect(ui->radioButton_isBridge, SIGNAL(clicked()), this, SLOT(canSave()));
connect(ui->radioButton_notBridge, SIGNAL(clicked()), this, SLOT(canSave()));
// 隧道中的曲线界面双击修改后，也可点击保存按钮
connect(ui->curvesView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(canSave()));
connect(ui->firstButton, SIGNAL(clicked()), this, SLOT(toFirst()));
connect(ui->previousButton, SIGNAL(clicked()), this, SLOT(toPrevious()));
connect(ui->nextButton, SIGNAL(clicked()), this, SLOT(toNext()));
connect(ui->lastButton, SIGNAL(clicked()), this, SLOT(toLast()));
connect(ui->modifyButton, SIGNAL(clicked()), this, SLOT(canModify()));
/* 查找隧道槽 */
connect(ui->findButton, SIGNAL(clicked()), this, SLOT(findTunnel()));
connect(ui->findEdit,SIGNAL(textEdited(QString)),this,SLOT(showAllLines()));
/* 编辑桥梁槽 */
connect(ui->editBridgeClearanceButton, SIGNAL(clicked()), this, SLOT(editBridgeClearance()));
}