GraphEdit¶
Inherits: Control < CanvasItem < Node < Object
Category: Core
Brief Description¶
GraphEdit is an area capable of showing various GraphNodes. It manages connection events between them.
Properties¶
bool | right_disconnects |
Vector2 | scroll_offset |
int | snap_distance |
bool | use_snap |
float | zoom |
Methods¶
void | add_valid_connection_type ( int from_type, int to_type ) |
void | add_valid_left_disconnect_type ( int type ) |
void | add_valid_right_disconnect_type ( int type ) |
void | clear_connections ( ) |
Error | connect_node ( String from, int from_port, String to, int to_port ) |
void | disconnect_node ( String from, int from_port, String to, int to_port ) |
Array | get_connection_list ( ) const |
HBoxContainer | get_zoom_hbox ( ) |
bool | is_node_connected ( String from, int from_port, String to, int to_port ) |
bool | is_valid_connection_type ( int from_type, int to_type ) const |
void | remove_valid_connection_type ( int from_type, int to_type ) |
void | remove_valid_left_disconnect_type ( int type ) |
void | remove_valid_right_disconnect_type ( int type ) |
void | set_connection_activity ( String from, int from_port, String to, int to_port, float amount ) |
void | set_selected ( Node node ) |
Theme Properties¶
Color | activity |
int | bezier_len_neg |
int | bezier_len_pos |
StyleBox | bg |
Color | grid_major |
Color | grid_minor |
Texture | minus |
Texture | more |
int | port_grab_distance_horizontal |
int | port_grab_distance_vertical |
Texture | reset |
Texture | snap |
Signals¶
- _begin_node_move ( )
Signal sent at the beginning of a GraphNode movement.
- _end_node_move ( )
Signal sent at the end of a GraphNode movement.
Signal sent to the GraphEdit when the connection between ‘from_slot’ slot of ‘from’ GraphNode and ‘to_slot’ slot of ‘to’ GraphNode is attempted to be created.
- delete_nodes_request ( )
Signal sent when a GraphNode is attempted to be removed from the GraphEdit.
Signal sent to the GraphEdit when the connection between ‘from_slot’ slot of ‘from’ GraphNode and ‘to_slot’ slot of ‘to’ GraphNode is attempted to be removed.
- duplicate_nodes_request ( )
Signal sent when a GraphNode is attempted to be duplicated in the GraphEdit.
- node_selected ( Node node )
Emitted when a GraphNode is selected.
- popup_request ( Vector2 position )
Signal sent when a popup is requested. Happens on right-clicking in the GraphEdit. ‘p_position’ is the position of the mouse pointer when the signal is sent.
- scroll_offset_changed ( Vector2 ofs )
Description¶
GraphEdit manages the showing of GraphNodes it contains, as well as connections and disconnections between them. Signals are sent for each of these two events. Disconnection between GraphNodes slots is disabled by default.
It is greatly advised to enable low processor usage mode (see OS.low_processor_usage_mode) when using GraphEdits.
Property Descriptions¶
- bool right_disconnects
Setter | set_right_disconnects(value) |
Getter | is_right_disconnects_enabled() |
If true
, enables disconnection of existing connections in the GraphEdit by dragging the right end.
- Vector2 scroll_offset
Setter | set_scroll_ofs(value) |
Getter | get_scroll_ofs() |
The scroll offset.
- int snap_distance
Setter | set_snap(value) |
Getter | get_snap() |
The snapping distance in pixels.
- bool use_snap
Setter | set_use_snap(value) |
Getter | is_using_snap() |
If true
, enables snapping.
- float zoom
Setter | set_zoom(value) |
Getter | get_zoom() |
The current zoom value.
Method Descriptions¶
Makes possible the connection between two different slot types. The type is defined with the GraphNode.set_slot method.
- void add_valid_left_disconnect_type ( int type )
Makes possible to disconnect nodes when dragging from the slot at the left if it has the specified type.
- void add_valid_right_disconnect_type ( int type )
Makes possible to disconnect nodes when dragging from the slot at the right if it has the specified type.
- void clear_connections ( )
Remove all connections between nodes.
Create a connection between ‘from_port’ slot of ‘from’ GraphNode and ‘to_port’ slot of ‘to’ GraphNode. If the connection already exists, no connection is created.
Remove the connection between ‘from_port’ slot of ‘from’ GraphNode and ‘to_port’ slot of ‘to’ GraphNode, if connection exists.
- Array get_connection_list ( ) const
Returns an Array containing the list of connections. A connection consists in a structure of the form {from_port: 0, from: “GraphNode name 0”, to_port: 1, to: “GraphNode name 1” }
- HBoxContainer get_zoom_hbox ( )
Returns true
if the ‘from_port’ slot of ‘from’ GraphNode is connected to the ‘to_port’ slot of ‘to’ GraphNode.
Returns whether it’s possible to connect slots of the specified types.
Makes it not possible to connect between two different slot types. The type is defined with the GraphNode.set_slot method.
- void remove_valid_left_disconnect_type ( int type )
Removes the possibility to disconnect nodes when dragging from the slot at the left if it has the specified type.
- void remove_valid_right_disconnect_type ( int type )
Removes the possibility to disconnect nodes when dragging from the slot at the right if it has the specified type.
- void set_selected ( Node node )
Sets the specified node
as the one selected.