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72 lines
2.0 KiB
72 lines
2.0 KiB
3 years ago
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tool
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extends ScrollContainer
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# store last attempts since godot sometimes misses drop events
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var _is_drag_receiving = false
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var _last_event_button_drop_attempt = ''
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var _mouse_exited = false
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# todo, getting timeline like this is prone to fail someday
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onready var timeline_editor = get_parent()
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func _ready():
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connect("mouse_entered", self, '_on_mouse_entered')
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connect("mouse_exited", self, '_on_mouse_exited')
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connect("gui_input", self, '_on_gui_input')
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func can_drop_data(position, data):
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if data != null and data is Dictionary and data.has("source"):
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if data["source"] == "EventButton":
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if _last_event_button_drop_attempt.empty():
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timeline_editor.create_drag_and_drop_event(data["event_id"])
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_is_drag_receiving = true
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_last_event_button_drop_attempt = data["event_id"]
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return true
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return false
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func cancel_drop():
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_is_drag_receiving = false
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_last_event_button_drop_attempt = ''
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timeline_editor.cancel_drop_event()
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func drop_data(position, data):
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# add event
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if (data["source"] == "EventButton"):
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timeline_editor.drop_event()
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_is_drag_receiving = false
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_last_event_button_drop_attempt = ''
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func _on_mouse_exited():
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if _is_drag_receiving and not _mouse_exited:
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var preview_label = Label.new()
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preview_label.text = "Cancel"
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set_drag_preview(preview_label)
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_mouse_exited = true
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func _on_mouse_entered():
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if _is_drag_receiving and _mouse_exited:
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var preview_label = Label.new()
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preview_label.text = "Insert Event"
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set_drag_preview(preview_label)
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_mouse_exited = false
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func _input(event):
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if (event is InputEventMouseButton and is_visible_in_tree() and event.button_index == BUTTON_LEFT):
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if (_mouse_exited and _is_drag_receiving):
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cancel_drop()
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func _on_gui_input(event):
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# godot sometimes misses drop events
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if (event is InputEventMouseButton and event.button_index == BUTTON_LEFT):
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if (_is_drag_receiving):
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if (_last_event_button_drop_attempt != ''):
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drop_data(Vector2.ZERO, { "source": "EventButton", "event_id": _last_event_button_drop_attempt} )
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_is_drag_receiving = false
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