本文整理汇总了C++中setExpression函数的典型用法代码示例。如果您正苦于以下问题：C++ setExpression函数的具体用法？C++ setExpression怎么用？C++ setExpression使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了setExpression函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: expression
void QgsExpressionLineEdit::setMultiLine( bool multiLine )
{
QString exp = expression();
if ( multiLine && !mCodeEditor )
{
mCodeEditor = new QgsCodeEditorSQL();
mCodeEditor->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
delete mLineEdit;
mLineEdit = nullptr;
QHBoxLayout* newLayout = new QHBoxLayout();
newLayout->setContentsMargins( 0, 0, 0, 0 );
newLayout->addWidget( mCodeEditor );
QVBoxLayout* vLayout = new QVBoxLayout();
vLayout->addWidget( mButton );
vLayout->addStretch();
newLayout->addLayout( vLayout );
delete layout();
setLayout( newLayout );
setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
setFocusProxy( mCodeEditor );
connect( mCodeEditor, SIGNAL( textChanged() ), this, SLOT( expressionEdited() ) );
setExpression( exp );
}
else if ( !multiLine && !mLineEdit )
{
delete mCodeEditor;
mCodeEditor = nullptr;
mLineEdit = new QgsFilterLineEdit();
mLineEdit->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
QHBoxLayout* newLayout = new QHBoxLayout();
newLayout->setContentsMargins( 0, 0, 0, 0 );
newLayout->addWidget( mLineEdit );
newLayout->addWidget( mButton );
delete layout();
setLayout( newLayout );
setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
setFocusProxy( mLineEdit );
connect( mLineEdit, SIGNAL( textChanged( QString ) ), this, SLOT( expressionEdited( QString ) ) );
setExpression( exp );
}
}
开发者ID:3liz，项目名称:Quantum-GIS，代码行数:53，代码来源:qgsexpressionlineedit.cpp
示例2: QWidget
ExpressionEditorWidget::ExpressionEditorWidget(const iscore::DocumentContext& doc, QWidget *parent) :
QWidget(parent),
m_context{doc}
{
m_mainLayout = new iscore::MarginLess<QVBoxLayout>{this};
auto btnWidg = new QWidget{this};
auto btnLay = new iscore::MarginLess<QHBoxLayout>{btnWidg};
auto validBtn = new QPushButton{tr("Ok"), btnWidg};
auto cancelBtn = new QPushButton{tr("Cancel"),btnWidg};
btnLay->addWidget(validBtn);
btnLay->addWidget(cancelBtn);
m_mainLayout->addWidget(btnWidg);
connect(validBtn, &QPushButton::clicked,
this, &ExpressionEditorWidget::on_editFinished);
connect(cancelBtn, &QPushButton::clicked,
this, [&] ()
{
if(m_expression.isEmpty()) {
for(auto& elt : m_relations)
{
delete elt;
}
m_relations.clear();
addNewTerm();
}
else
setExpression(*State::parseExpression(m_expression));
});
}
开发者ID:Sciss，项目名称:i-score，代码行数:33，代码来源:ExpressionEditorWidget.cpp
示例3: QWidget
QgsFieldConditionalFormatWidget::QgsFieldConditionalFormatWidget( QWidget *parent )
: QWidget( parent )
, mLayer( 0 )
, mEditIndex( 0 )
, mEditing( false )
, mSymbol( 0 )
{
setupUi( this );
mDeleteButton->hide();
connect( mFieldCombo, SIGNAL( fieldChanged( QString ) ), SLOT( fieldChanged( QString ) ) );
connect( fieldRadio, SIGNAL( clicked() ), SLOT( reloadStyles() ) );
connect( rowRadio, SIGNAL( clicked() ), SLOT( reloadStyles() ) );
connect( mNewButton, SIGNAL( clicked() ), SLOT( addNewRule() ) );
connect( mSaveRule, SIGNAL( clicked() ), SLOT( saveRule() ) );
connect( mCancelButton, SIGNAL( clicked() ), SLOT( cancelRule() ) );
connect( mDeleteButton, SIGNAL( clicked() ), SLOT( deleteRule() ) );
connect( listView, SIGNAL( clicked( QModelIndex ) ), SLOT( ruleClicked( QModelIndex ) ) );
connect( btnChangeIcon , SIGNAL( clicked() ), SLOT( updateIcon() ) );
connect( btnBuildExpression , SIGNAL( clicked() ), SLOT( setExpression() ) );
connect( mPresetsList , SIGNAL( currentIndexChanged( int ) ), SLOT( presetSet( int ) ) );
btnBackgroundColor->setAllowAlpha( true );
btnBackgroundColor->setShowNoColor( true );
btnTextColor->setAllowAlpha( true );
btnTextColor->setShowNoColor( true );
mPresetsModel = new QStandardItemModel( listView );
mModel = new QStandardItemModel( listView );
listView->setModel( mModel );
mPresetsList->setModel( mPresetsModel );
setPresets( defaultPresets() );
}
开发者ID:paulfab，项目名称:QGIS，代码行数:31，代码来源:qgsfieldconditionalformatwidget.cpp
示例4: valueCleared
void QgsDefaultSearchWidgetWrapper::textChanged( const QString &text )
{
if ( text.isEmpty() )
emit valueCleared();
setExpression( text );
}
开发者ID:alexbruy，项目名称:QGIS，代码行数:7，代码来源:qgsdefaultsearchwidgetwrapper.cpp
示例5: setExpression
bool DlgSetRDRPropertyByExpressionEditor::loadWidget(QSettings *settings, const QString &prefix)
{
setExpression(settings->value(prefix+"expression").toString());
setType(settings->value(prefix+"type").toInt());
setPropertyName(settings->value(prefix+"property").toString());
return true;
}
开发者ID:jkriege2，项目名称:QuickFit3，代码行数:7，代码来源:dlgsetrdrpropertybyexpressioneditor.cpp
示例6: BASE_CL
EVALOBJ::EVALOBJ(int num) : BASE_CL()
{
outports = 1;
inports=1;
width = 70;
strcpy(in_ports[0].in_name,"A");
strcpy(in_ports[1].in_name,"B");
strcpy(in_ports[2].in_name,"C");
strcpy(in_ports[3].in_name,"D");
strcpy(in_ports[4].in_name,"E");
strcpy(in_ports[5].in_name,"F");
strcpy(out_ports[0].out_name,"out");
inputA = 0;
inputB = 0;
inputC = 0;
inputD = 0;
inputE = 0;
inputF = 0;
expression = NULL; evaluator = NULL;
setexp=FALSE;
setExpression("A");
}
开发者ID:RD3BAX，项目名称:BrainBay，代码行数:25，代码来源:ob_evaluator.cpp
示例7: while
void HStatement::keyPressEvent(Visualization::Item *target, QKeyEvent *event)
{
Visualization::VList* lst = nullptr;
auto p = target->parent();
while (p && !(lst = dynamic_cast<Visualization::VList*>(p))) p = p->parent();
bool processed = false;
if (lst && event->modifiers() == Qt::NoModifier
&& (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return))
{
processed = true;
event->accept();
int index = lst->focusedNodeIndex() + 1;
auto empty = new OOModel::EmptyExpression();
auto es = new OOModel::ExpressionStatement();
es->setExpression(empty);
lst->node()->model()->beginModification(lst->node(), "add empty statement");
lst->node()->insert(index, es);
lst->node()->model()->endModification();
lst->setUpdateNeeded(Visualization::Item::StandardUpdate);
target->scene()->addPostEventAction( new Interaction::SetCursorEvent(lst, empty));
}
if (!processed) GenericHandler::keyPressEvent(target, event);
}
开发者ID:JurajKubelka，项目名称:Envision，代码行数:29，代码来源:HStatement.cpp
示例8: load_object_basics
void EVALOBJ::load(HANDLE hFile)
{
char expr[MAXEXPRLENGTH];
load_object_basics(this);
load_property("expression",P_STRING,expr);
setExpression(expr);
}
开发者ID:RD3BAX，项目名称:BrainBay，代码行数:8，代码来源:ob_evaluator.cpp
示例9: assignNode
Variable::Variable(const string& name, bool create_expression){
assignNode(new VariableInternal(name));
if(create_expression){
setExpression(SX(name));
setDerivative(SX("der_" + name));
setBinding(var(),false);
setBinding(der(),true);
}
}
开发者ID:Snkrnryn，项目名称:casadi，代码行数:9，代码来源:variable.cpp
示例10: VECTOR_SET_ASSOCIATION
FindMatch::FindMatch( char *_expression, U32 _maxMatches )
{
VECTOR_SET_ASSOCIATION(matchList);
expression = NULL;
setExpression( _expression );
maxMatches = _maxMatches;
matchList.reserve( maxMatches );
}
开发者ID:fr1tz，项目名称:terminal-overload，代码行数:9，代码来源:findMatch.cpp
示例11: assert
/*
* If the expression of a simple query clause is query local, then
* return the clause as is. Otherwise return a clone of the clause
* with the expression rewritten to reference a query parameter.
*/
SimpleQueryClausePtr CaptureExtractor::rewriteSimpleClause(
SimpleQueryClausePtr sc) {
assert (sc != nullptr);
auto expr = sc->getExpression();
auto newExpr = rewrite(expr);
if (expr == newExpr) return sc;
auto rsc = static_pointer_cast<SimpleQueryClause>(sc->clone());
rsc->setExpression(newExpr);
return rsc;
}
开发者ID:shuc324，项目名称:hhvm，代码行数:15，代码来源:capture_extractor.cpp
示例12: while
bool SglExprLex::run(const QStringList& script)
{
int i = -1;
bool result = true;
while (result && ++i < script.size())
{
setExpression(script.at(i));
result = Error(eval()) == Success;
}
return result;
}
开发者ID:2garryn，项目名称:SpeedCrunch，代码行数:11，代码来源:bisonparser.cpp
示例13: value
void QgsCheckboxSearchWidgetWrapper::stateChanged( int )
{
if ( mCheckBox )
{
mCheckBox->setTristate( false );
QString exp = value().toString();
setExpression( exp );
emit valueChanged();
emit expressionChanged( mExpression );
}
}
开发者ID:AM7000000，项目名称:QGIS，代码行数:11，代码来源:qgscheckboxsearchwidgetwrapper.cpp
示例14: keyPressEvent
void HMethod::keyPressEvent(Visualization::Item *target, QKeyEvent *event)
{
bool createDown = event->modifiers() == Qt::NoModifier &&
(event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return);
bool createRight = event->modifiers() == Qt::ShiftModifier &&
(event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return);
//bool switchVertical = event->modifiers() == Qt::NoModifier && event->key() == Qt::Key_Tab;
bool switchHorizontal = event->modifiers() == Qt::ShiftModifier && event->key() == Qt::Key_Tab;
bool processed = false;
auto m = dynamic_cast<OOVisualization::VMethod*> ( target );
if (m)
{
if ( (m->name()->itemOrChildHasFocus() || m->arguments()->itemOrChildHasFocus()) && createDown)
{
processed = true;
if (m->node()->items()->size() > 0)
{
target->scene()->addPostEventAction( new Interaction::SetCursorEvent(target, m->node()->items()->at(0)));
}
else
{
auto empty = new OOModel::EmptyExpression();
auto es = new OOModel::ExpressionStatement();
es->setExpression(empty);
m->node()->model()->beginModification(m->node(), "add empty statement");
m->node()->items()->append(es);
m->node()->model()->endModification();
m->setUpdateNeeded(Visualization::Item::StandardUpdate);
target->scene()->addPostEventAction( new Interaction::SetCursorEvent(target, empty));
}
}
else if (m->name()->itemOrChildHasFocus() && switchHorizontal)
{
processed = true;
if (m->node()->arguments()->size() > 0)
{
target->scene()->addPostEventAction( new Interaction::SetCursorEvent(target,
m->node()->arguments()->at(0)));
}
}
else if ( (m->name()->itemOrChildHasFocus()) && createRight)
{
processed = true;
createNewArgument(m, 0);
}
}
if (!processed) GenericHandler::keyPressEvent(target, event);
}
开发者ID:JurajKubelka，项目名称:Envision，代码行数:52，代码来源:HMethod.cpp
示例15: value
void QgsDateTimeSearchWidgetWrapper::dateTimeChanged( const QDateTime& dt )
{
if ( mDateTimeEdit )
{
QString exp = value().toString();
setExpression( exp );
if ( dt.isValid() && !dt.isNull() )
emit valueChanged();
else
emit valueCleared();
emit expressionChanged( mExpression );
}
}
开发者ID:3liz，项目名称:Quantum-GIS，代码行数:13，代码来源:qgsdatetimesearchwidgetwrapper.cpp
示例16: QHBoxLayout
void QgsDefaultSearchWidgetWrapper::initWidget( QWidget* widget )
{
mContainer = widget;
mContainer->setLayout( new QHBoxLayout() );
mLineEdit = new QgsFilterLineEdit();
mCheckbox = new QCheckBox( "Case sensitive" );
mContainer->layout()->addWidget( mLineEdit );
mContainer->layout()->addWidget( mCheckbox );
connect( mLineEdit, SIGNAL( textChanged( QString ) ), this, SLOT( setExpression( QString ) ) );
connect( mCheckbox, SIGNAL( stateChanged( int ) ), this, SLOT( setCaseString( int ) ) );
mCheckbox->setChecked( Qt::Unchecked );
mCaseString = "ILIKE";
}
开发者ID:dengchangtao，项目名称:Quantum-GIS，代码行数:13，代码来源:qgsdefaultsearchwidgetwrapper.cpp
示例17: setExpression
void QgsDefaultSearchWidgetWrapper::setCaseString( int caseSensitiveCheckState )
{
if ( caseSensitiveCheckState == Qt::Checked )
{
mCaseString = "LIKE";
}
else
{
mCaseString = "ILIKE";
}
// need to update also the line edit
setExpression( mLineEdit->text() );
}
开发者ID:dengchangtao，项目名称:Quantum-GIS，代码行数:13，代码来源:qgsdefaultsearchwidgetwrapper.cpp
示例18: value
void QgsValueRelationSearchWidgetWrapper::valueChanged()
{
QVariant vl = value();
if ( !vl.isValid() )
{
clearExpression();
}
else
{
QSettings settings;
setExpression( vl.isNull() ? settings.value( "qgis/nullValue", "NULL" ).toString() : vl.toString() );
}
emit expressionChanged( mExpression );
}
开发者ID:Antoviscomi，项目名称:QGIS，代码行数:14，代码来源:qgsvaluerelationsearchwidgetwrapper.cpp
示例19: clearExpression
void QgsValueMapSearchWidgetWrapper::comboBoxIndexChanged( int idx )
{
if ( mComboBox )
{
if ( idx == 0 )
{
clearExpression();
}
else
{
setExpression( mComboBox->itemData( idx ).toString() );
}
emit expressionChanged( mExpression );
}
}
开发者ID:Antoviscomi，项目名称:QGIS，代码行数:15，代码来源:qgsvaluemapsearchwidgetwrapper.cpp
示例20: clearExpression
void QgsRelationReferenceSearchWidgetWrapper::onValueChanged( const QVariant &value )
{
if ( !value.isValid() )
{
clearExpression();
emit valueCleared();
}
else
{
QgsSettings settings;
setExpression( value.isNull() ? QgsApplication::nullRepresentation() : value.toString() );
emit valueChanged();
}
emit expressionChanged( mExpression );
}
开发者ID:alexbruy，项目名称:QGIS，代码行数:15，代码来源:qgsrelationreferencesearchwidgetwrapper.cpp
注：本文中的setExpression函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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