mirror of
https://github.com/Relintai/MemR.git
synced 2024-12-27 14:17:35 +01:00
101 lines
2.1 KiB
GDScript
101 lines
2.1 KiB
GDScript
extends PanelContainer
|
|
|
|
export(NodePath) var zoom_slider_path : NodePath
|
|
|
|
var mouse_down : bool = false
|
|
var mouse_pointer : int = 0
|
|
|
|
var hscrollbar : HScrollBar
|
|
var vscrollbar : VScrollBar
|
|
|
|
var zoom : float = 1
|
|
|
|
var _zoom_slider : VSlider
|
|
|
|
func update_zoom_to_fit_width() -> void:
|
|
var cs : Vector2 = get_tex_size()
|
|
|
|
if cs.x < 0.0000001 || cs.y < 0.0000001:
|
|
_zoom_slider.value = 1
|
|
return
|
|
|
|
var max_axis : int = cs.max_axis()
|
|
|
|
if max_axis == Vector2.AXIS_X:
|
|
_zoom_slider.value = get_parent().rect_size.x / cs.x
|
|
else:
|
|
_zoom_slider.value = get_parent().rect_size.y / cs.y
|
|
|
|
func _gui_input(event: InputEvent) -> void:
|
|
if event.is_echo():
|
|
return
|
|
|
|
if event is InputEventMouseButton:
|
|
var iemb : InputEventMouseButton = event
|
|
|
|
if iemb.button_index == BUTTON_WHEEL_UP:
|
|
_zoom_slider.value += 0.03
|
|
elif iemb.button_index == BUTTON_WHEEL_DOWN:
|
|
_zoom_slider.value -= 0.03
|
|
else:
|
|
mouse_down = iemb.pressed
|
|
mouse_pointer == event.button_index
|
|
|
|
accept_event()
|
|
|
|
elif event is InputEventMouseMotion:
|
|
var iemm : InputEventMouseMotion = event
|
|
|
|
if !mouse_down || mouse_pointer != event.device:
|
|
return
|
|
|
|
hscrollbar.value -= iemm.relative.x
|
|
vscrollbar.value -= iemm.relative.y
|
|
accept_event()
|
|
|
|
func _notification(what: int) -> void:
|
|
if what == NOTIFICATION_READY:
|
|
var sc : ScrollContainer = get_parent()
|
|
|
|
hscrollbar = sc.get_h_scrollbar()
|
|
vscrollbar = sc.get_v_scrollbar()
|
|
|
|
_zoom_slider = get_node(zoom_slider_path)
|
|
|
|
func udpate_minimum_size() -> void:
|
|
var active_node : Control
|
|
for c in get_children():
|
|
if c.is_visible_in_tree():
|
|
active_node = c
|
|
break
|
|
|
|
var cs : Vector2 = get_tex_size()
|
|
|
|
cs.x *= zoom
|
|
cs.y *= zoom
|
|
|
|
rect_min_size = cs
|
|
|
|
func get_tex_size() -> Vector2:
|
|
var active_node : Control
|
|
for c in get_children():
|
|
if c.is_visible_in_tree():
|
|
active_node = c
|
|
break
|
|
|
|
var cs : Vector2 = Vector2(0, 0)
|
|
|
|
if active_node is TextureRect:
|
|
var tr : TextureRect = active_node as TextureRect
|
|
|
|
cs = Vector2(tr.texture.get_width(), tr.texture.get_height())
|
|
|
|
return cs
|
|
|
|
func _on_ZoomSlider_value_changed(value: float) -> void:
|
|
if value < 0.00000001:
|
|
value = 0.00000001
|
|
|
|
zoom = value
|
|
udpate_minimum_size()
|