mirror of
https://github.com/qgis/QGIS.git
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c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
51 lines
1.6 KiB
Plaintext
51 lines
1.6 KiB
Plaintext
/**
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* @brief The QgsMapLayerComboBox class is a combo box which displays the list of layers
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* @note added in 2.3
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*/
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class QgsMapLayerComboBox : QComboBox
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{
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%TypeHeaderCode
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#include "qgsmaplayercombobox.h"
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%End
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public:
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/**
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* @brief QgsMapLayerComboBox creates a combo box to dislpay the list of layers (currently in the registry).
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* The layers can be filtered and/or ordered.
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*/
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explicit QgsMapLayerComboBox( QWidget *parent /TransferThis/ = 0 );
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//! setFilters allows fitering according to layer type and/or geometry type.
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void setFilters( const QgsMapLayerProxyModel::Filters& filters );
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//! currently used filter on list layers
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QgsMapLayerProxyModel::Filters filters() const;
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//! except a list of layers not to be listed
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void setExceptedLayerList( const QList<QgsMapLayer*>& layerList );
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//! returns the list of excepted layers
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QList<QgsMapLayer*> exceptedLayerList() const;
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/** Returns the current layer selected in the combo box.
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* @see layer
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*/
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QgsMapLayer* currentLayer() const;
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/** Return the layer currently shown at the specified index within the combo box.
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* @param layerIndex position of layer to return
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* @note added in QGIS 2.10
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* @see currentLayer
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*/
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QgsMapLayer* layer( int layerIndex ) const;
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public slots:
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//! setLayer set the current layer selected in the combo
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void setLayer( QgsMapLayer* layer );
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signals:
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//! layerChanged this signal is emitted whenever the currently selected layer changes
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void layerChanged( QgsMapLayer* layer );
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};
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