386 lines
7.9 KiB
GDScript3
386 lines
7.9 KiB
GDScript3
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@tool
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extends Control
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const FG_MARGIN = 2
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const MAX_DECIMALS_VISUAL = 3
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signal value_changed(value)
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var _value := 0.0
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@export var value: float:
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get:
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return _value
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set(v):
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set_value_no_notify(v)
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var _min_value := 0.0
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@export var min_value: float:
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get:
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return _min_value
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set(v):
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set_min_value(v)
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var _max_value := 100.0
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@export var max_value: float:
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get:
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return _max_value
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set(v):
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set_max_value(v)
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var _prefix := ""
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@export var prefix: String:
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get:
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return _prefix
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set(v):
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set_prefix(v)
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var _suffix := ""
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@export var suffix: String:
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get:
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return _suffix
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set(v):
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set_suffix(v)
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var _rounded := false
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@export var rounded: bool:
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get:
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return _rounded
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set(v):
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set_rounded(v)
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var _centered := true
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@export var centered: bool:
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get:
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return _centered
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set(v):
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set_centered(v)
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var _allow_greater := false
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@export var allow_greater: bool:
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get:
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return _allow_greater
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set(v):
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set_allow_greater(v)
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# There is still a limit when typing a larger value, but this one is to prevent software
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# crashes or freezes. The regular min and max values are for slider UX. Exceeding it should be
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# a corner case.
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var _greater_max_value := 10000.0
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@export var greater_max_value: float:
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get:
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return _greater_max_value
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set(v):
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set_greater_max_value(v)
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var _label : Label
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var _label2 : Label
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var _line_edit : LineEdit
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var _ignore_line_edit := false
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var _pressing := false
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var _grabbing := false
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var _press_pos := Vector2()
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func _init():
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custom_minimum_size = Vector2(32, 28)
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_label = Label.new()
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_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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_label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
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_label.clip_text = true
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#_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
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_label.anchor_top = 0
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_label.anchor_left = 0
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_label.anchor_right = 1
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_label.anchor_bottom = 1
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_label.mouse_filter = Control.MOUSE_FILTER_IGNORE
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_label.add_theme_color_override("font_color_shadow", Color(0,0,0,0.5))
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_label.add_theme_constant_override("shadow_offset_x", 1)
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_label.add_theme_constant_override("shadow_offset_y", 1)
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add_child(_label)
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_label2 = Label.new()
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_label2.horizontal_alignment = HORIZONTAL_ALIGNMENT_LEFT
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_label2.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
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_label2.clip_text = true
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#_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
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_label2.anchor_top = 0
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_label2.anchor_left = 0
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_label2.anchor_right = 1
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_label2.anchor_bottom = 1
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_label2.offset_left = 8
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_label2.mouse_filter = Control.MOUSE_FILTER_IGNORE
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_label2.add_theme_color_override("font_color_shadow", Color(0,0,0,0.5))
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_label2.add_theme_constant_override("shadow_offset_x", 1)
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_label2.add_theme_constant_override("shadow_offset_y", 1)
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_label2.hide()
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add_child(_label2)
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_line_edit = LineEdit.new()
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_line_edit.alignment = HORIZONTAL_ALIGNMENT_CENTER
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_line_edit.anchor_top = 0
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_line_edit.anchor_left = 0
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_line_edit.anchor_right = 1
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_line_edit.anchor_bottom = 1
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_line_edit.gui_input.connect(_on_LineEdit_gui_input)
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_line_edit.focus_exited.connect(_on_LineEdit_focus_exited)
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_line_edit.text_submitted.connect(_on_LineEdit_text_submitted)
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_line_edit.hide()
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add_child(_line_edit)
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mouse_default_cursor_shape = Control.CURSOR_HSIZE
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func _ready():
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pass # Replace with function body.
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func set_centered(p_centered: bool):
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_centered = p_centered
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if _centered:
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_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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_label.offset_right = 0
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_label2.hide()
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else:
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_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_RIGHT
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_label.offset_right = -8
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_label2.show()
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queue_redraw()
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func is_centered() -> bool:
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return _centered
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func set_value_no_notify(v: float):
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set_value(v, false, false)
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func set_value(v: float, notify_change: bool, use_slider_maximum: bool = false):
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if _allow_greater and not use_slider_maximum:
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v = clampf(v, _min_value, _greater_max_value)
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else:
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v = clampf(v, _min_value, _max_value)
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if v != _value:
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_value = v
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queue_redraw()
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if notify_change:
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value_changed.emit(get_value())
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func get_value():
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if _rounded:
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return int(roundf(_value))
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return _value
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func set_min_value(minv: float):
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_min_value = minv
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#queue_redraw()
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func get_min_value() -> float:
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return _min_value
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func set_max_value(maxv: float):
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_max_value = maxv
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#queue_redraw()
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func get_max_value() -> float:
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return _max_value
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func set_greater_max_value(gmax: float):
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_greater_max_value = gmax
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func get_greater_max_value() -> float:
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return _greater_max_value
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func set_rounded(b: bool):
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_rounded = b
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queue_redraw()
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func is_rounded() -> bool:
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return _rounded
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func set_prefix(p_prefix: String):
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_prefix = p_prefix
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queue_redraw()
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func get_prefix() -> String:
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return _prefix
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func set_suffix(p_suffix: String):
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_suffix = p_suffix
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queue_redraw()
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func get_suffix() -> String:
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return _suffix
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func set_allow_greater(allow: bool):
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_allow_greater = allow
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func is_allowing_greater() -> bool:
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return _allow_greater
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func _set_from_pixel(px: float):
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var r := (px - FG_MARGIN) / (size.x - FG_MARGIN * 2.0)
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var v := _ratio_to_value(r)
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set_value(v, true, true)
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func get_ratio() -> float:
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return _value_to_ratio(get_value())
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func _ratio_to_value(r: float) -> float:
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return r * (_max_value - _min_value) + _min_value
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func _value_to_ratio(v: float) -> float:
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if absf(_max_value - _min_value) < 0.001:
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return 0.0
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return (v - _min_value) / (_max_value - _min_value)
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func _on_LineEdit_gui_input(event: InputEvent):
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if event is InputEventKey:
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if event.pressed:
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if event.keycode == KEY_ESCAPE:
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_ignore_line_edit = true
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_hide_line_edit()
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grab_focus()
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_ignore_line_edit = false
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func _on_LineEdit_focus_exited():
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if _ignore_line_edit:
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return
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_enter_text()
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func _on_LineEdit_text_submitted(text: String):
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_enter_text()
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func _enter_text():
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var s = _line_edit.text.strip_edges()
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if s.is_valid_float():
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var v := s.to_float()
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if not _allow_greater:
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v = minf(v, _max_value)
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set_value(v, true, false)
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_hide_line_edit()
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func _hide_line_edit():
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_line_edit.hide()
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_label.show()
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queue_redraw()
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func _show_line_edit():
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_line_edit.show()
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_line_edit.text = str(get_value())
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_line_edit.select_all()
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_line_edit.grab_focus()
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_label.hide()
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queue_redraw()
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func _gui_input(event: InputEvent):
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if event is InputEventMouseButton:
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if event.pressed:
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if event.button_index == MOUSE_BUTTON_LEFT:
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_press_pos = event.position
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_pressing = true
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else:
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if event.button_index == MOUSE_BUTTON_LEFT:
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_pressing = false
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if _grabbing:
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_grabbing = false
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_set_from_pixel(event.position.x)
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else:
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_show_line_edit()
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elif event is InputEventMouseMotion:
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if _pressing and _press_pos.distance_to(event.position) > 2.0:
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_grabbing = true
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if _grabbing:
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_set_from_pixel(event.position.x)
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func _draw():
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if _line_edit.visible:
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return
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#var grabber_width := 3
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var background_v_margin := 0
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var foreground_margin := FG_MARGIN
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#var grabber_color := Color(0.8, 0.8, 0.8)
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var interval_color := Color(0.4,0.4,0.4)
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var background_color := Color(0.1, 0.1, 0.1)
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var control_rect := Rect2(Vector2(), size)
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var bg_rect := Rect2(
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control_rect.position.x,
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control_rect.position.y + background_v_margin,
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control_rect.size.x,
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control_rect.size.y - 2 * background_v_margin)
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draw_rect(bg_rect, background_color)
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var fg_rect := control_rect.grow(-foreground_margin)
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# Clamping the ratio because the value can be allowed to exceed the slider's boundaries
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var ratio := clampf(get_ratio(), 0.0, 1.0)
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fg_rect.size.x *= ratio
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draw_rect(fg_rect, interval_color)
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var value_text := str(get_value())
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var dot_pos := value_text.find(".")
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if dot_pos != -1:
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var decimal_count := len(value_text) - dot_pos
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if decimal_count > MAX_DECIMALS_VISUAL:
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value_text = value_text.substr(0, dot_pos + MAX_DECIMALS_VISUAL + 1)
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if _centered:
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var text := value_text
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if _prefix != "":
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text = str(_prefix, " ", text)
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if _suffix != "":
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text = str(text, " ", _suffix)
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_label.text = text
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else:
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_label2.text = _prefix
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var text := value_text
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if _suffix != "":
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text = str(text, " ", _suffix)
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_label.text = text
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