Class TKeySensorNode

Unit

Declaration

type TKeySensorNode = class(TAbstractKeyDeviceSensorNode)

Description

Generate events when user key presses or releases keys on the keyboard.

Hierarchy

Overview

Methods

Public procedure KeyDown(const Key: TKey; const C: Char; const Time: TX3DTime); override;
Public procedure KeyUp(const Key: TKey; const C: Char; const Time: TX3DTime); override;
Public procedure CreateNode; override;
Public class function ClassX3DType: string; override;

Properties

Public property EventActionKeyPress: TSFInt32Event read FEventActionKeyPress;
Public property EventActionKeyRelease: TSFInt32Event read FEventActionKeyRelease;
Public property EventAltKey: TSFBoolEvent read FEventAltKey;
Public property EventControlKey: TSFBoolEvent read FEventControlKey;
Public property EventKeyPress: TSFStringEvent read FEventKeyPress;
Public property EventKeyRelease: TSFStringEvent read FEventKeyRelease;
Public property EventShiftKey: TSFBoolEvent read FEventShiftKey;

Description

Methods

Public procedure KeyDown(const Key: TKey; const C: Char; const Time: TX3DTime); override;

This item has no description. Showing description inherited from TAbstractKeyDeviceSensorNode.KeyDown.

React to key down/up events.

This is used by TCastleSceneCore to communicate with this key sensor.

Semantics follow TInputPressRelease behavior for EventType = itKey. This means that Key may be keyNone (if not representable as TKey) and C may be #0 (if not representable as char), but not both — at least one of Key or C must contains something useful. Also, key presses are affected by the "key repeat" feature of the OS (windowing system actually), so when user holds down a key — we get many key down messages.

Public procedure KeyUp(const Key: TKey; const C: Char; const Time: TX3DTime); override;

This item has no description.

Public procedure CreateNode; override;

Automatically generated node properties.

Do not edit this file manually! To add new properties: - add them to the text files in tools/internal/x3d-nodes-to-pascal/nodes-specification/ , - and regenerate include files by running x3d-nodes-to-pascal

Public class function ClassX3DType: string; override;

This item has no description. Showing description inherited from TX3DNode.ClassX3DType.

Node type name in VRML/X3D, for this class. Normal VRML/X3D node classes should override this to return something non-empty, and then X3DType automatically will return the same value.

Empty for classes that don't have a hardcoded VRML/X3D node name, like a special TX3DUnknownNode. Such special classes should override then X3DType to return actual non-empty name there.

You usually should call X3DType. The only use of this method is that it works on classes (it's "class function"), without needing at actual instance.

Properties

Public property EventActionKeyPress: TSFInt32Event read FEventActionKeyPress;

This item has no description.

Public property EventActionKeyRelease: TSFInt32Event read FEventActionKeyRelease;

This item has no description.

Public property EventAltKey: TSFBoolEvent read FEventAltKey;

This item has no description.

Public property EventControlKey: TSFBoolEvent read FEventControlKey;

This item has no description.

Public property EventKeyPress: TSFStringEvent read FEventKeyPress;

This item has no description.

Public property EventKeyRelease: TSFStringEvent read FEventKeyRelease;

This item has no description.

Public property EventShiftKey: TSFBoolEvent read FEventShiftKey;

This item has no description.


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