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|
tool
extends Control
onready var _ctrls = {
shortcut_label = $Layout/lblShortcut,
set_button = $Layout/SetButton,
save_button = $Layout/SaveButton,
cancel_button = $Layout/CancelButton,
clear_button = $Layout/ClearButton
}
signal changed
signal start_edit
signal end_edit
const NO_SHORTCUT = '<None>'
var _source_event = InputEventKey.new()
var _pre_edit_event = null
var _key_disp = NO_SHORTCUT
var _modifier_keys = [KEY_ALT, KEY_CONTROL, KEY_META, KEY_SHIFT]
# Called when the node enters the scene tree for the first time.
func _ready():
set_process_unhandled_key_input(false)
func _display_shortcut():
_ctrls.shortcut_label.text = to_s()
func _is_shift_only_modifier():
return _source_event.shift and \
!(_source_event.meta or _source_event.control or _source_event.alt)
func _has_modifier():
return _source_event.alt or _source_event.control or _source_event.meta or _source_event.shift
func _is_modifier(scancode):
return _modifier_keys.has(scancode)
func _edit_mode(should):
set_process_unhandled_key_input(should)
_ctrls.set_button.visible = !should
_ctrls.save_button.visible = should
_ctrls.save_button.disabled = should
_ctrls.cancel_button.visible = should
_ctrls.clear_button.visible = !should
if(should and to_s() == ''):
_ctrls.shortcut_label.text = 'press buttons'
else:
_ctrls.shortcut_label.text = to_s()
if(should):
emit_signal("start_edit")
else:
emit_signal("end_edit")
# ---------------
# Events
# ---------------
func _unhandled_key_input(event):
if(event is InputEventKey):
if(event.pressed):
_source_event.alt = event.alt or event.scancode == KEY_ALT
_source_event.control = event.control or event.scancode == KEY_CONTROL
_source_event.meta = event.meta or event.scancode == KEY_META
_source_event.shift = event.shift or event.scancode == KEY_SHIFT
if(_has_modifier() and !_is_modifier(event.scancode)):
_source_event.scancode = event.scancode
_key_disp = OS.get_scancode_string(event.scancode)
else:
# _source_event.set_scancode = null
_key_disp = NO_SHORTCUT
_display_shortcut()
_ctrls.save_button.disabled = !is_valid()
func _on_SetButton_pressed():
_pre_edit_event = _source_event.duplicate(true)
_edit_mode(true)
func _on_SaveButton_pressed():
_edit_mode(false)
_pre_edit_event = null
emit_signal('changed')
func _on_CancelButton_pressed():
_edit_mode(false)
_source_event = _pre_edit_event
_key_disp = OS.get_scancode_string(_source_event.scancode)
if(_key_disp == ''):
_key_disp = NO_SHORTCUT
_display_shortcut()
func _on_ClearButton_pressed():
clear_shortcut()
# ---------------
# Public
# ---------------
func to_s():
var modifiers = []
if(_source_event.alt):
modifiers.append('alt')
if(_source_event.control):
modifiers.append('ctrl')
if(_source_event.meta):
modifiers.append('meta')
if(_source_event.shift):
modifiers.append('shift')
if(_source_event.scancode != null):
modifiers.append(_key_disp)
var mod_text = ''
for i in range(modifiers.size()):
mod_text += modifiers[i]
if(i != modifiers.size() - 1):
mod_text += ' + '
return mod_text
func is_valid():
return _has_modifier() and _key_disp != NO_SHORTCUT and !_is_shift_only_modifier()
func get_shortcut():
var to_return = ShortCut.new()
to_return.shortcut = _source_event
return to_return
func set_shortcut(sc):
if(sc == null or sc.shortcut == null):
clear_shortcut()
else:
_source_event = sc.shortcut
_key_disp = OS.get_scancode_string(_source_event.scancode)
_display_shortcut()
func clear_shortcut():
_source_event = InputEventKey.new()
_key_disp = NO_SHORTCUT
_display_shortcut()
func disable_set(should):
_ctrls.set_button.disabled = should
func disable_clear(should):
_ctrls.clear_button.disabled = should
|
