155 lines
3.8 KiB
GDScript3
155 lines
3.8 KiB
GDScript3
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extends TextEdit
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class_name ContentFitTextEdit
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signal confirmed(content)
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const PLACEHOLDER_VISIBILITY = 0.35
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const MAIN_THEME = preload("res://user_interface/main.theme")
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export(NodePath) var expansion_target = @"."
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export(int) var height_addition = 0
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export(int) var min_height = 0
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export(int) var max_height = 0
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export(bool) var expand_width = false
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export(int) var width_addition = 0
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export(int) var min_width = 0
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export(int) var max_width = 488
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export(String) var placeholder = ""
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export(bool) var confirm_on_focus_exit = false
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var reference_label: Label
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var width_reference_label: Label
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func _ready():
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reference_label = Label.new()
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reference_label.name = "@@9"
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width_reference_label = Label.new()
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width_reference_label.name = "@@10"
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width_reference_label.theme = MAIN_THEME
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width_reference_label.self_modulate.a = 0.0
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width_reference_label.set_as_toplevel(true)
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reference_label.margin_top = 2.0
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reference_label.anchor_right = 1.0
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reference_label.margin_right = -9.0
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reference_label.autowrap = true
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add_child(reference_label)
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add_child(width_reference_label)
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_check_for_placeholder(false)
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# warning-ignore:return_value_discarded
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connect("text_changed", self, "_on_text_changed")
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# warning-ignore:return_value_discarded
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connect("resized", self, "_on_resized")
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# warning-ignore:return_value_discarded
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connect("focus_entered", self, "_on_focus_entered")
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# warning-ignore:return_value_discarded
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connect("focus_exited", self, "_on_focus_exited")
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func _input(event):
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if has_focus():
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if event is InputEventKey and event.is_pressed():
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if event.scancode == KEY_ENTER and not event.shift:
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get_tree().set_input_as_handled()
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_confirm()
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func _on_text_changed():
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adjust_size()
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if expand_width:
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# I honestly don't know why, but the second call helps with refreshing.
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adjust_size()
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func _on_resized():
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_adjust_height()
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func _on_focus_entered():
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if has_focus():
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_check_for_placeholder(true)
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func _on_focus_exited():
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_check_for_placeholder(false)
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if confirm_on_focus_exit:
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_confirm()
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func _confirm():
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emit_signal("confirmed", text)
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func adjust_size():
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if expand_width:
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width_reference_label.rect_size.x = 1
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width_reference_label.text = text
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_adjust_width()
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reference_label.text = text
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_refresh()
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_adjust_height()
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func _adjust_width():
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if is_connected("resized", self, "_on_resized"):
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disconnect("resized", self, "_on_resized")
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var target = get_node(expansion_target)
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# I swear I'm not doing this for fun.
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width_reference_label.visible = false
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width_reference_label.visible = true
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var width = width_reference_label.rect_size.x
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target.rect_min_size.x = clamp(width, min_width, max_width) + width_addition
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if not is_connected("resized", self, "_on_resized"):
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# warning-ignore:return_value_discarded
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connect("resized", self, "_on_resized")
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func _adjust_height():
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if is_connected("resized", self, "_on_resized"):
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disconnect("resized", self, "_on_resized")
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var target = get_node(expansion_target)
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var height = reference_label.rect_size.y + height_addition
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if max_height > 0:
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height = min(height, max_height)
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height = max(height, min_height)
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target.rect_min_size.y = height
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if not is_connected("resized", self, "_on_resized"):
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# warning-ignore:return_value_discarded
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connect("resized", self, "_on_resized")
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func _check_for_placeholder(focus: bool):
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if !focus and text.empty():
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reference_label.text = placeholder
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reference_label.self_modulate.a = PLACEHOLDER_VISIBILITY
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else:
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reference_label.self_modulate.a = 0.0
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# Control sizes sometimes don't refresh properly, but this can be forces, by
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# turning visibility off and on again.
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func _refresh():
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var had_focus = has_focus()
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disconnect("focus_exited", self, "_on_focus_exited")
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visible = false
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visible = true
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if had_focus:
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grab_focus()
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_check_for_placeholder(had_focus)
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# warning-ignore:return_value_discarded
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connect("focus_exited", self, "_on_focus_exited")
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