KoActiveCanvasResourceDependencyKoResource< ResourceType > Class Template Reference

#include <KoActiveCanvasResourceDependencyKoResource.h>

Inheritance diagram for KoActiveCanvasResourceDependencyKoResource< ResourceType >:

Public Member Functions
	KoActiveCanvasResourceDependencyKoResource (int sourceKey, int targetKey)
bool	shouldUpdateSource (QVariant &source, const QVariant &target) override
Public Member Functions inherited from KoActiveCanvasResourceDependency
	KoActiveCanvasResourceDependency (int sourceKey, int targetKey)
int	sourceKey () const
int	targetKey () const
virtual	~KoActiveCanvasResourceDependency ()

Private Types
using	ResourceTypeSP = QSharedPointer<ResourceType>

Detailed Description

template<typename ResourceType>
class KoActiveCanvasResourceDependencyKoResource< ResourceType >

A canvas resource dependency for KoResource-based canvas resources. It relies on the presence of KoResource::requiredCanvasResources().

Definition at line 17 of file KoActiveCanvasResourceDependencyKoResource.h.

Member Typedef Documentation

ResourceTypeSP

template<typename ResourceType >

using KoActiveCanvasResourceDependencyKoResource< ResourceType >::ResourceTypeSP = QSharedPointer<ResourceType>

private

Definition at line 19 of file KoActiveCanvasResourceDependencyKoResource.h.

Constructor & Destructor Documentation

KoActiveCanvasResourceDependencyKoResource()

template<typename ResourceType >

KoActiveCanvasResourceDependencyKoResource< ResourceType >::KoActiveCanvasResourceDependencyKoResource ( int sourceKey, int targetKey )

inline

Definition at line 22 of file KoActiveCanvasResourceDependencyKoResource.h.

        : KoActiveCanvasResourceDependency(sourceKey, targetKey)
    {
    }

Member Function Documentation

shouldUpdateSource()

template<typename ResourceType >

bool KoActiveCanvasResourceDependencyKoResource< ResourceType >::shouldUpdateSource ( QVariant & source, const QVariant & target )

inlineoverridevirtual

Returns

true if source does really depend on target and the manager should Q_EMIT notification about target's change

Implements KoActiveCanvasResourceDependency.

Definition at line 27 of file KoActiveCanvasResourceDependencyKoResource.h.

    {
        Q_UNUSED(target);
 
        bool needsResourceUpdate = false;
 
        ResourceTypeSP sourceResource = source.value<ResourceTypeSP>();
 
        if (sourceResource && sourceResource->requiredCanvasResources().contains(targetKey())) {
            needsResourceUpdate = true;
        }
 
        return needsResourceUpdate;
    }

References source(), target(), and KoActiveCanvasResourceDependency::targetKey().

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The documentation for this class was generated from the following file:

• libs/flake/KoActiveCanvasResourceDependencyKoResource.h