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from . bl_ui_widget import *
class BL_UI_Drag_Panel(BL_UI_Widget):
def __init__(self, x, y, width, height):
super().__init__(x,y, width, height)
self.drag_offset_x = 0
self.drag_offset_y = 0
self.is_drag = False
self.widgets = []
def set_location(self, x, y):
super().set_location(x,y)
self.layout_widgets()
def add_widget(self, widget):
self.widgets.append(widget)
def add_widgets(self, widgets):
self.widgets = widgets
self.layout_widgets()
def layout_widgets(self):
for widget in self.widgets:
widget.update(self.x_screen + widget.x, self.y_screen + widget.y)
def update(self, x, y):
super().update(x - self.drag_offset_x, y + self.drag_offset_y)
def child_widget_focused(self, x, y):
for widget in self.widgets:
if widget.is_in_rect(x, y):
return True
return False
def mouse_down(self, x, y):
if self.child_widget_focused(x, y):
return False
if self.is_in_rect(x,y):
height = self.get_area_height()
self.is_drag = True
self.drag_offset_x = x - self.x_screen
self.drag_offset_y = y - (height - self.y_screen)
return True
return False
def mouse_move(self, x, y):
if self.is_drag:
height = self.get_area_height()
self.update(x, height - y)
self.layout_widgets()
def mouse_up(self, x, y):
self.is_drag = False
self.drag_offset_x = 0
self.drag_offset_y = 0
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