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/** * This widget presents the user with an interface for choosing a value within a certain range. * * Copyright 1998-2008 Epic Games, Inc. All Rights Reserved. * * @todo - make rendering the caption optional * @todo - hook up data store resolution */ class UISlider extends UIObject native(UIPrivate) implements(UIDataStorePublisher); /** Component for rendering the slider background image */ var(Image) editinline const noclear UIComp_DrawImage BackgroundImageComponent; /** Component for rendering the slider bar image */ var(Image) editinline const noclear UIComp_DrawImage SliderBarImageComponent; /** Component for rendering the slider marker image */ var(Image) editinline const noclear UIComp_DrawImage MarkerImageComponent; /** * The data source that this slider's value will be linked to. */ var(Data) editconst private UIDataStoreBinding DataSource; /** Renders the caption for this slider */ var(Data) editinline const UIComp_DrawStringSlider CaptionRenderComponent; /** * The value and range parameters for this slider. */ var(Slider) UIRangeData SliderValue; /** Controls whether the caption is rendered above the slider marker */ var(Slider) bool bRenderCaption; /** * Controls whether this slider is vertical or horizontal * not fully implemented */ var(Slider) EUIOrientation SliderOrientation; /** * Controls the size of the slider's bar. If slider is horizontal, controls the height of the bar; if slider * is vertical, controls the width of the bar */ var(Slider) UIScreenValue_Extent BarSize; /** @fixme - temp....the size of the region to use for rendering the marker */ var(Slider) UIScreenValue_Extent MarkerHeight, MarkerWidth; /** this sound is played when the slider is incremented */ var(Sound) name IncrementCue; /** this sound is played when the slider is decremented */ var(Sound) name DecrementCue; // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) // (cpptext) /* === Natives === */ /** UIDataSourceSubscriber interface */ /** * Sets the data store binding for this object to the text specified. * * @param MarkupText a markup string which resolves to data exposed by a data store. The expected format is: * <DataStoreTag:DataFieldTag> * @param BindingIndex optional parameter for indicating which data store binding is being requested for those * objects which have multiple data store bindings. How this parameter is used is up to the * class which implements this interface, but typically the "primary" data store will be index 0. */ native final virtual function SetDataStoreBinding( string MarkupText, optional int BindingIndex=INDEX_NONE ); /** * Retrieves the markup string corresponding to the data store that this object is bound to. * * @param BindingIndex optional parameter for indicating which data store binding is being requested for those * objects which have multiple data store bindings. How this parameter is used is up to the * class which implements this interface, but typically the "primary" data store will be index 0. * * @return a datastore markup string which resolves to the datastore field that this object is bound to, in the format: * <DataStoreTag:DataFieldTag> */ native final virtual function string GetDataStoreBinding( optional int BindingIndex=INDEX_NONE ) const; /** * Resolves this subscriber's data store binding and updates the subscriber with the current value from the data store. * * @return TRUE if this subscriber successfully resolved and applied the updated value. */ native final virtual function bool RefreshSubscriberValue( optional int BindingIndex=INDEX_NONE ); /** * Handler for the UIDataStore.OnDataStoreValueUpdated delegate. Used by data stores to indicate that some data provided by the data * has changed. Subscribers should use this function to refresh any data store values being displayed with the updated value. * notify subscribers when they should refresh their values from this data store. * * @param SourceDataStore the data store that generated the refresh notification; useful for subscribers with multiple data store * bindings, to tell which data store sent the notification. * @param PropertyTag the tag associated with the data field that was updated; Subscribers can use this tag to determine whether * there is any need to refresh their data values. * @param SourceProvider for data stores which contain nested providers, the provider that contains the data which changed. * @param ArrayIndex for collection fields, indicates which element was changed. value of INDEX_NONE indicates not an array * or that the entire array was updated. */ native final virtual function NotifyDataStoreValueUpdated( UIDataStore SourceDataStore, bool bValuesInvalidated, name PropertyTag, UIDataProvider SourceProvider, int ArrayIndex ); /** * Retrieves the list of data stores bound by this subscriber. * * @param out_BoundDataStores receives the array of data stores that subscriber is bound to. */ native final virtual function GetBoundDataStores( out array<UIDataStore> out_BoundDataStores ); /** * Notifies this subscriber to unbind itself from all bound data stores */ native final function ClearBoundDataStores(); /** * Resolves this subscriber's data store binding and publishes this subscriber's value to the appropriate data store. * * @param out_BoundDataStores contains the array of data stores that widgets have saved values to. Each widget that * implements this method should add its resolved data store to this array after data values have been * published. Once SaveSubscriberValue has been called on all widgets in a scene, OnCommit will be called * on all data stores in this array. * @param BindingIndex optional parameter for indicating which data store binding is being requested for those * objects which have multiple data store bindings. How this parameter is used is up to the * class which implements this interface, but typically the "primary" data store will be index 0. * * @return TRUE if the value was successfully published to the data store. */ native final virtual function bool SaveSubscriberValue( out array<UIDataStore> out_BoundDataStores, optional int BindingIndex=INDEX_NONE ); /** * Change the value of this slider at runtime. * * @param NewValue the new value for the slider. * @param bPercentageValue TRUE indicates that the new value is formatted as a percentage of the total range of this slider. * * @return TRUE if the slider's value was changed */ native final function bool SetValue( coerce float NewValue, optional bool bPercentageValue ); /** * Gets the current value of this slider * * @param bPercentageValue TRUE to format the result as a percentage of the total range of this slider. */ native final function float GetValue( optional bool bPercentageValue ) const; /* === Unrealscript === */ /** * Changes the background image for this slider, creating the wrapper UITexture if necessary. * * @param NewBarImage the new surface to use for the slider's background image */ final function SetBackgroundImage( Surface NewImage ) { if ( BackgroundImageComponent != None ) { BackgroundImageComponent.SetImage(NewImage); } } /** * Changes the bar image for this slider, creating the wrapper UITexture if necessary. * * @param NewBarImage the new surface to use for the slider's bar image */ final function SetBarImage( Surface NewImage ) { if ( SliderBarImageComponent != None ) { SliderBarImageComponent.SetImage(NewImage); } } /** * Changes the marker image for this slider, creating the wrapper UITexture if necessary. * * @param NewImage the new surface to use for slider's marker */ final function SetMarkerImage( Surface NewImage ) { if ( MarkerImageComponent != None ) { BackgroundImageComponent.SetImage(NewImage); } } /** * Called when a new UIState becomes the widget's currently active state, after all activation logic has occurred. * * @param Sender the widget that changed states. * @param PlayerIndex the index [into the GamePlayers array] for the player that activated this state. * @param NewlyActiveState the state that is now active * @param PreviouslyActiveState the state that used the be the widget's currently active state. */ final function OnStateChanged( UIScreenObject Sender, int PlayerIndex, UIState NewlyActiveState, optional UIState PreviouslyActiveState ) { if ( UIState_Pressed(NewlyActiveState) != None ) { SetMouseCaptureOverride(true); } else if ( UIState_Pressed(PreviouslyActiveState) != None ) { SetMouseCaptureOverride(false); } } defaultproperties { Begin Object Class=UIComp_DrawImage Name=SliderBackgroundImageTemplate ObjName=SliderBackgroundImageTemplate Archetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' StyleResolverTag="Slider Background Style" ImageStyle=(DefaultStyleTag="DefaultSliderStyle") Name="SliderBackgroundImageTemplate" ObjectArchetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' End Object BackgroundImageComponent=SliderBackgroundImageTemplate Begin Object Class=UIComp_DrawImage Name=SliderBarImageTemplate ObjName=SliderBarImageTemplate Archetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' StyleResolverTag="Slider Bar Style" ImageStyle=(DefaultStyleTag="DefaultSliderBarStyle") Name="SliderBarImageTemplate" ObjectArchetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' End Object SliderBarImageComponent=SliderBarImageTemplate Begin Object Class=UIComp_DrawImage Name=SliderMarkerImageTemplate ObjName=SliderMarkerImageTemplate Archetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' StyleResolverTag="Slider Marker Style" ImageStyle=(DefaultStyleTag="DefaultSliderMarkerStyle") Name="SliderMarkerImageTemplate" ObjectArchetype=UIComp_DrawImage'Engine.Default__UIComp_DrawImage' End Object MarkerImageComponent=SliderMarkerImageTemplate DataSource=(RequiredFieldType=DATATYPE_RangeProperty) SliderValue=(MaxValue=100.000000,NudgeValue=1.000000) bRenderCaption=True BarSize=(Value=32.000000) MarkerHeight=(Value=16.000000,Orientation=UIORIENT_Vertical) MarkerWidth=(Value=16.000000) IncrementCue="SliderIncrement" DecrementCue="SliderDecrement" PrimaryStyle=(DefaultStyleTag="DefaultSliderStyle",RequiredStyleClass=Class'Engine.UIStyle_Image') bSupportsPrimaryStyle=False Position=(Value[3]=32.000000,ScaleType[3]=EVALPOS_PixelOwner) DefaultStates(2)=Class'Engine.UIState_Focused' DefaultStates(3)=Class'Engine.UIState_Active' DefaultStates(4)=Class'Engine.UIState_Pressed' Begin Object Class=UIComp_Event Name=WidgetEventComponent ObjName=WidgetEventComponent Archetype=UIComp_Event'Engine.Default__UIObject:WidgetEventComponent' ObjectArchetype=UIComp_Event'Engine.Default__UIObject:WidgetEventComponent' End Object EventProvider=WidgetEventComponent Name="Default__UISlider" ObjectArchetype=UIObject'Engine.Default__UIObject' } |
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