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Aqt.Cassowary
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An stay constraint indicates that the solver should try to preserve a variable's value. More...
#include <aqt/cassowary/Stay.hpp>
Public Member Functions | |
| Stay (QQuickItem *pParent=0) | |
 Public Member Functions inherited from aqt::cassowary::Targeted | |
| Targeted (QQuickItem *pParent=nullptr, Strength::Types strength=Strength::Required, double weight=1.0) | |
| Q_SIGNAL void | targetChanged (aqt::cassowary::Variable *target) |
| Variable * | actualTarget () |
| Q_SIGNAL void | actualTargetChanged (aqt::cassowary::Variable *target) |
| Public Member Functions inherited from aqt::cassowary::ConstraintBase | |
| ConstraintBase (QQuickItem *pParent=nullptr, Strength::Types strength=Strength::Required, double weight=1.0) | |
| Q_SIGNAL void | strengthChanged (aqt::cassowary::Strength::Types strength) |
| Q_SIGNAL void | weightChanged (double weight) |
| Q_SIGNAL void | whenChanged (bool when) |
| Public Member Functions inherited from aqt::cassowary::Contextual | |
| Contextual (QQuickItem *pParent=nullptr) | |
| std::shared_ptr< Context > | context () |
| std::shared_ptr< const Context > | context () const |
| Q_SIGNAL void | contextChanged () |
| Q_SIGNAL void | extendChanged (aqt::cassowary::Contextual *extend) |
| Q_INVOKABLE void | commit () |
| Applies all the changes associated to the context used by this contextual. More... | |
| Q_INVOKABLE void | defer (QJSValue cb) |
Executes the callback cb at the end of the next phase of updates in the solver, but before the changes are propagated to the bindings. | |
| void | defer (Context::Callback cb) |
| void | defer_ (Context::Callback cb) |
| template<typename... Args> | |
| void | log (Args &&...args) |
| Used to log a debug trace, that may be visible when the current context's debug property is set. More... | |
Additional Inherited Members | |
| Protected Member Functions inherited from aqt::cassowary::ConstraintBase | |
| bool | when () const |
| const rhea::constraint & | get () const |
| void | set (std::shared_ptr< rhea::abstract_constraint > constraint) |
| void | addIn (Context &ctx) override |
| void | removeIn (Context &ctx) override |
| Protected Member Functions inherited from aqt::cassowary::Contextual | |
| void | add () |
| void | remove () |
| template<typename Fn > | |
| void | update (Fn &&cb) |
| template<typename Fn > | |
| Context::Callback | guarded (Fn fn) |
| void | updateContext () |
| Contextual * | provider () |
| virtual std::shared_ptr< Context > | provided () |
| Properties inherited from aqt::cassowary::Targeted | |
| aqt::cassowary::Variable | target |
| Explicitly set target variable. More... | |
| aqt::cassowary::Variable | actualTarget |
| Returns the effective target. More... | |
| Properties inherited from aqt::cassowary::ConstraintBase | |
| aqt::cassowary::Strength::Types | strength |
| Sets the strength of a constraint. More... | |
| double | weight |
| Sets the weight of a constraint. More... | |
| bool | when |
The constraint is enabled when this property holds a true value, otherwise it has no effect. | |
| Properties inherited from aqt::cassowary::Contextual | |
| aqt::cassowary::Contextual | extend |
| If non-null, this contextual will use the same context as used by this contextual. | |
An stay constraint indicates that the solver should try to preserve a variable's value.
It is useful in an under-constrained system to prevent a variable from jumping between different valid solutions between resolutions. It is most often used in combination with Edit constraints, to prevent the variable from jumping when an edit gesture is finished.
import Aqt.Cassowary 1.0
1.8.9.1