pandemonium_engine/modules/world_generator/addon/ui/RectViewNode.gd

228 lines
7.5 KiB
GDScript

tool
extends MarginContainer
enum DragType {
DRAG_NONE = 0,
DRAG_MOVE = 1,
DRAG_RESIZE_TOP = 1 << 1,
DRAG_RESIZE_RIGHT = 1 << 2,
DRAG_RESIZE_BOTTOM = 1 << 3,
DRAG_RESIZE_LEFT = 1 << 4
};
var edited_resource : WorldGenBaseResource = null
var edited_resource_parent_size : Vector2 = Vector2()
var _edited_resource_rect_border_color : Color = Color(1, 1, 1, 1)
var _edited_resource_rect_color : Color = Color(0.8, 0.8, 0.8, 0.9)
var _editor_rect_border_size : int = 2
var _edited_resource_font_color : Color = Color(0, 0, 0, 1)
var _editor_additional_text : String = ""
var drag_type : int
var drag_offset : Vector2
var drag_offset_far : Vector2
var _rect_scale : float = 1
var _edited_resource_event_ignore : bool = false
var _plugin : EditorPlugin = null
var _undo_redo : UndoRedo = null
func set_plugin(plugin : EditorPlugin) -> void:
_plugin = plugin
_undo_redo = _plugin.get_undo_redo()
func _draw():
draw_rect(Rect2(Vector2(), get_size()), _edited_resource_rect_color)
draw_rect(Rect2(Vector2(), get_size()), _edited_resource_rect_border_color, false, _editor_rect_border_size)
var font : Font = get_font("font")
var res_name : String = "NULL"
if edited_resource:
res_name = edited_resource.resource_name
var res_cls : String = ""
if edited_resource:
res_cls = edited_resource.get_editor_class()
draw_string(font, Vector2(_editor_rect_border_size, font.get_height()), res_name, _edited_resource_font_color)
draw_string(font, Vector2(_editor_rect_border_size, font.get_height() * 2), _editor_additional_text, _edited_resource_font_color, get_rect().size.x)
if res_cls != "":
draw_string(font, Vector2(_editor_rect_border_size, font.get_height() * 3), res_cls, _edited_resource_font_color, get_rect().size.x)
func refresh() -> void:
if !edited_resource:
return
#anchor is bottom left here
var rect : Rect2 = edited_resource.get_rect()
rect.position *= _rect_scale
rect.size *= _rect_scale
#anchor needs to be on top left here
var rp : Vector2 = rect.position
rp.y = edited_resource_parent_size.y * _rect_scale - rect.size.y - rect.position.y
rect_position = rp
rect_size = rect.size
update()
func set_editor_rect_scale(rect_scale) -> void:
_rect_scale = rect_scale
refresh()
func set_edited_resource(res : WorldGenBaseResource):
edited_resource = res
if edited_resource:
_edited_resource_rect_border_color = edited_resource.get_editor_rect_border_color()
_edited_resource_rect_color = edited_resource.get_editor_rect_color()
_editor_rect_border_size = edited_resource.get_editor_rect_border_size()
_edited_resource_font_color = edited_resource.get_editor_font_color()
_editor_additional_text = edited_resource.get_editor_additional_text()
edited_resource.connect("changed", self, "on_edited_resource_changed")
refresh()
func on_edited_resource_changed() -> void:
if _edited_resource_event_ignore:
return
refresh()
#based on / ported from engine/scene/gui/dialogs.h and .cpp
func _notification(p_what : int) -> void:
if (p_what == NOTIFICATION_MOUSE_EXIT):
# Reset the mouse cursor when leaving the resizable window border.
if (edited_resource && !edited_resource.locked && !drag_type):
if (get_default_cursor_shape() != CURSOR_ARROW):
set_default_cursor_shape(CURSOR_ARROW)
#based on / ported from engine/scene/gui/dialogs.h and .cpp
func _gui_input(p_event : InputEvent) -> void:
if (p_event is InputEventMouseButton) && (p_event.get_button_index() == BUTTON_LEFT):
var mb : InputEventMouseButton = p_event as InputEventMouseButton
if (mb.is_pressed()):
# Begin a possible dragging operation.
drag_type = _drag_hit_test(Vector2(mb.get_position().x, mb.get_position().y))
if (drag_type != DragType.DRAG_NONE):
drag_offset = get_global_mouse_position() - get_position()
drag_offset_far = get_position() + get_size() - get_global_mouse_position()
elif (drag_type != DragType.DRAG_NONE && !mb.is_pressed()):
# End a dragging operation.
drag_type = DragType.DRAG_NONE
var rect : Rect2 = get_rect()
#rect needs to be converted back
rect.position.y = edited_resource_parent_size.y * _rect_scale - rect.size.y - rect.position.y
rect.position /= _rect_scale
rect.size /= _rect_scale
#edited_resource.set_rect(rect)
_edited_resource_event_ignore = true
_undo_redo.create_action("WE: Drag End")
_undo_redo.add_do_method(edited_resource, "set_rect", rect)
_undo_redo.add_undo_method(edited_resource, "set_rect", edited_resource.get_rect())
_undo_redo.commit_action()
_edited_resource_event_ignore = false
if p_event is InputEventMouseMotion:
var mm : InputEventMouseMotion = p_event as InputEventMouseMotion
if (drag_type == DragType.DRAG_NONE):
# Update the cursor while moving along the borders.
var cursor = CURSOR_ARROW
if (!edited_resource.locked):
var preview_drag_type : int = _drag_hit_test(Vector2(mm.get_position().x, mm.get_position().y))
var top_left : int = DragType.DRAG_RESIZE_TOP + DragType.DRAG_RESIZE_LEFT
var bottom_right : int = DragType.DRAG_RESIZE_BOTTOM + DragType.DRAG_RESIZE_RIGHT
var top_right : int = DragType.DRAG_RESIZE_TOP + DragType.DRAG_RESIZE_RIGHT
var bottom_left : int = DragType.DRAG_RESIZE_BOTTOM + DragType.DRAG_RESIZE_LEFT
match (preview_drag_type):
DragType.DRAG_RESIZE_TOP:
cursor = CURSOR_VSIZE
DragType.DRAG_RESIZE_BOTTOM:
cursor = CURSOR_VSIZE
DragType.DRAG_RESIZE_LEFT:
cursor = CURSOR_HSIZE
DragType.DRAG_RESIZE_RIGHT:
cursor = CURSOR_HSIZE
top_left:
cursor = CURSOR_FDIAGSIZE
bottom_right:
cursor = CURSOR_FDIAGSIZE
top_right:
cursor = CURSOR_BDIAGSIZE
bottom_left:
cursor = CURSOR_BDIAGSIZE
if (get_cursor_shape() != cursor):
set_default_cursor_shape(cursor);
else:
# Update while in a dragging operation.
var global_pos : Vector2 = get_global_mouse_position()
var rect : Rect2 = get_rect()
var min_size : Vector2 = get_combined_minimum_size()
if (drag_type == DragType.DRAG_MOVE):
rect.position = global_pos - drag_offset
else:
if (drag_type & DragType.DRAG_RESIZE_TOP):
var bottom : int = rect.position.y + rect.size.y
var max_y : int = bottom - min_size.y
rect.position.y = min(global_pos.y - drag_offset.y, max_y)
rect.size.y = bottom - rect.position.y
elif (drag_type & DragType.DRAG_RESIZE_BOTTOM):
rect.size.y = global_pos.y - rect.position.y + drag_offset_far.y
if (drag_type & DragType.DRAG_RESIZE_LEFT):
var right : int = rect.position.x + rect.size.x
var max_x : int = right - min_size.x
rect.position.x = min(global_pos.x - drag_offset.x, max_x)
rect.size.x = right - rect.position.x
elif (drag_type & DragType.DRAG_RESIZE_RIGHT):
rect.size.x = global_pos.x - rect.position.x + drag_offset_far.x
set_size(rect.size)
set_position(rect.position)
#based on / ported from engine/scene/gui/dialogs.h and .cpp
func _drag_hit_test(pos : Vector2) -> int:
var drag_type : int = DragType.DRAG_NONE
if (!edited_resource.locked):
var scaleborder_size : int = 5 #get_constant("scaleborder_size", "WindowDialog")
var rect : Rect2 = get_rect()
if (pos.y < (scaleborder_size)):
drag_type = DragType.DRAG_RESIZE_TOP
elif (pos.y >= (rect.size.y - scaleborder_size)):
drag_type = DragType.DRAG_RESIZE_BOTTOM
if (pos.x < scaleborder_size):
drag_type |= DragType.DRAG_RESIZE_LEFT
elif (pos.x >= (rect.size.x - scaleborder_size)):
drag_type |= DragType.DRAG_RESIZE_RIGHT
if (drag_type == DragType.DRAG_NONE):
drag_type = DragType.DRAG_MOVE
return drag_type