mirror of
https://github.com/Relintai/material-maker.git
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119 lines
3.1 KiB
GDScript
119 lines
3.1 KiB
GDScript
extends LineEdit
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class_name MMFloatEdit
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export var value : float = 0.5 setget set_value
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export var min_value : float = 0.0 setget set_min_value
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export var max_value : float = 1.0 setget set_max_value
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export var step : float = 0.0 setget set_step
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var sliding : bool = false
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var start_position : float
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var last_position : float
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var start_value : float
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var modifiers : int
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var from_lower_bound : bool = false
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var from_upper_bound : bool = false
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onready var slider = $Slider
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onready var cursor = $Slider/Cursor
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signal value_changed
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func _ready() -> void:
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do_update()
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func set_value(v : float) -> void:
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value = v
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do_update()
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func set_min_value(v : float) -> void:
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min_value = v
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do_update()
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func set_max_value(v : float) -> void:
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max_value = v
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do_update()
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func set_step(v : float) -> void:
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step = v
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do_update()
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func do_update(update_text : bool = true) -> void:
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if update_text:
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text = str(value)
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if cursor != null:
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if max_value != min_value:
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cursor.rect_position.x = (clamp(value, min_value, max_value)-min_value)*(slider.rect_size.x-cursor.rect_size.x)/(max_value-min_value)
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else:
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cursor.rect_position.x = 0
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func get_modifiers(event):
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var modifiers = 0
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if event.shift:
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modifiers |= 1
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if event.control:
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modifiers |= 2
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if event.alt:
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modifiers |= 4
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return modifiers
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func _on_LineEdit_gui_input(event : InputEvent) -> void:
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if event is InputEventMouseButton and event.button_index == BUTTON_LEFT:
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if event.is_pressed():
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last_position = event.position.x
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start_position = last_position
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start_value = value
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sliding = true
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from_lower_bound = value <= min_value
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from_upper_bound = value >= max_value
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modifiers = get_modifiers(event)
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else:
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sliding = false
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elif sliding and event is InputEventMouseMotion and event.button_mask == BUTTON_MASK_LEFT:
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var new_modifiers = get_modifiers(event)
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if new_modifiers != modifiers:
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start_position = last_position
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start_value = value
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modifiers = new_modifiers
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else:
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last_position = event.position.x
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var delta : float = last_position-start_position
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var current_step = step
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if event.control:
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delta *= 0.2
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elif event.shift:
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delta *= 5.0
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if event.alt:
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current_step *= 0.01
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var v : float = start_value+sign(delta)*pow(abs(delta)*0.005, 2)*abs(max_value - min_value)
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if current_step != 0:
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v = min_value+floor((v - min_value)/current_step)*current_step
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if !from_lower_bound and v < min_value:
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v = min_value
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if !from_upper_bound and v > max_value:
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v = max_value
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set_value(v)
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select(0, 0)
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emit_signal("value_changed", value)
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elif event is InputEventKey and !event.echo:
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match event.scancode:
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KEY_SHIFT, KEY_CONTROL, KEY_ALT:
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start_position = last_position
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start_value = value
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modifiers = get_modifiers(event)
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func _on_LineEdit_text_changed(new_text : String) -> void:
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if new_text.is_valid_float():
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value = new_text.to_float()
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do_update(false)
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func _on_LineEdit_text_entered(new_text : String) -> void:
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if new_text.is_valid_float():
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value = new_text.to_float()
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do_update()
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emit_signal("value_changed", value)
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func _on_LineEdit_focus_exited() -> void:
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do_update()
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emit_signal("value_changed", value)
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