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157 lines
3.2 KiB
GDScript
157 lines
3.2 KiB
GDScript
@tool
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extends Control
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@onready var _ctrls = {
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shortcut_label = $Layout/lblShortcut,
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set_button = $Layout/SetButton,
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save_button = $Layout/SaveButton,
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cancel_button = $Layout/CancelButton,
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clear_button = $Layout/ClearButton
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}
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signal changed
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signal start_edit
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signal end_edit
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const NO_SHORTCUT = "<None>"
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var _source_event = InputEventKey.new()
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var _pre_edit_event = null
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var _key_disp = NO_SHORTCUT
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var _modifier_keys = [KEY_ALT, KEY_CTRL, KEY_META, KEY_SHIFT]
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# Called when the node enters the scene tree for the first time.
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func _ready():
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set_process_unhandled_key_input(false)
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func _display_shortcut():
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if _key_disp == "":
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_key_disp = NO_SHORTCUT
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_ctrls.shortcut_label.text = _key_disp
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func _is_shift_only_modifier():
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return (
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_source_event.shift_pressed
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and !(
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_source_event.alt_pressed
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or _source_event.command_pressed
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or _source_event.ctrl_pressed
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or _source_event.meta_pressed
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)
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and !_is_modifier(_source_event.keycode)
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)
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func _has_modifier(event):
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return (
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event.alt_pressed
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or event.command_pressed
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or event.ctrl_pressed
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or event.meta_pressed
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or event.shift_pressed
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)
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func _is_modifier(keycode):
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return _modifier_keys.has(keycode)
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func _edit_mode(should):
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set_process_unhandled_key_input(should)
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_ctrls.set_button.visible = !should
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_ctrls.save_button.visible = should
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_ctrls.save_button.disabled = should
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_ctrls.cancel_button.visible = should
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_ctrls.clear_button.visible = !should
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if should and to_s() == "":
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_ctrls.shortcut_label.text = "press buttons"
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else:
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_ctrls.shortcut_label.text = to_s()
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if should:
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emit_signal("start_edit")
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else:
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emit_signal("end_edit")
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# ---------------
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# Events
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# ---------------
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func _unhandled_key_input(event):
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if event is InputEventKey:
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if event.pressed:
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if _has_modifier(event) and !_is_modifier(event.get_keycode_with_modifiers()):
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_source_event = event
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_key_disp = OS.get_keycode_string(event.get_keycode_with_modifiers())
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else:
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_source_event = InputEventKey.new()
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_key_disp = NO_SHORTCUT
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_display_shortcut()
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_ctrls.save_button.disabled = !is_valid()
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func _on_SetButton_pressed():
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_pre_edit_event = _source_event.duplicate(true)
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_edit_mode(true)
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func _on_SaveButton_pressed():
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_edit_mode(false)
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_pre_edit_event = null
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emit_signal("changed")
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func _on_CancelButton_pressed():
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_edit_mode(false)
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_source_event = _pre_edit_event
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_key_disp = to_s()
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_display_shortcut()
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func _on_ClearButton_pressed():
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clear_shortcut()
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# ---------------
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# Public
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# ---------------
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func to_s():
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return OS.get_keycode_string(_source_event.get_keycode_with_modifiers())
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func is_valid():
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return _has_modifier(_source_event) and !_is_shift_only_modifier()
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func get_shortcut():
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var to_return = Shortcut.new()
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to_return.events.append(_source_event)
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return to_return
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func set_shortcut(sc):
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if sc == null or sc.events == null || sc.events.size() <= 0:
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clear_shortcut()
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else:
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_source_event = sc.events[0]
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_key_disp = to_s()
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_display_shortcut()
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func clear_shortcut():
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_source_event = InputEventKey.new()
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_key_disp = NO_SHORTCUT
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_display_shortcut()
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func disable_set(should):
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_ctrls.set_button.disabled = should
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func disable_clear(should):
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_ctrls.clear_button.disabled = should
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