material-maker/addons/material_maker/widgets/float_edit.gd

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GDScript3
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tool
extends LineEdit
class_name MMFloatEdit
export var value : float = 0.5 setget set_value
export var min_value : float = 0.0 setget set_min_value
export var max_value : float = 1.0 setget set_max_value
export var step : float = 0.0 setget set_step
var sliding : bool = false
var start_position : float
var start_value : float
var from_lower_bound : bool = false
var from_upper_bound : bool = false
onready var slider = $Slider
onready var cursor = $Slider/Cursor
signal value_changed
func _ready() -> void:
do_update()
func set_value(v : float) -> void:
value = v
do_update()
func set_min_value(v : float) -> void:
min_value = v
do_update()
func set_max_value(v : float) -> void:
max_value = v
do_update()
func set_step(v : float) -> void:
step = v
do_update()
func do_update(update_text : bool = true) -> void:
if update_text:
text = str(value)
if cursor != null:
if max_value != min_value:
cursor.rect_position.x = (clamp(value, min_value, max_value)-min_value)*(slider.rect_size.x-cursor.rect_size.x)/(max_value-min_value)
else:
cursor.rect_position.x = 0
func _on_LineEdit_gui_input(event : InputEvent) -> void:
if event is InputEventMouseButton and event.button_index == BUTTON_LEFT:
if event.is_pressed():
start_position = event.position.x
start_value = value
sliding = true
from_lower_bound = value <= min_value
from_upper_bound = value >= max_value
else:
sliding = false
elif sliding and event is InputEventMouseMotion and event.button_mask == BUTTON_MASK_LEFT:
var delta : float = event.position.x-start_position
var v : float = start_value+sign(delta)*pow(abs(delta)*0.005, 2)*abs(max_value - min_value)
if step != 0:
v = min_value+floor((v - min_value)/step)*step
if !from_lower_bound and v < min_value:
v = min_value
if !from_upper_bound and v > max_value:
v = max_value
set_value(v)
select(0, 0)
emit_signal("value_changed", value)
func _on_LineEdit_text_changed(new_text : String) -> void:
if new_text.is_valid_float():
value = new_text.to_float()
do_update(false)
func _on_LineEdit_text_entered(new_text : String) -> void:
if new_text.is_valid_float():
value = new_text.to_float()
do_update()
emit_signal("value_changed", value)
func _on_LineEdit_focus_exited() -> void:
do_update()
emit_signal("value_changed", value)