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Copy pathselect_widget.py
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228 lines (189 loc) · 7.65 KB
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from kivy.graphics import Color, Line, Rectangle
from kivy.core.window import Window
from kivy.uix.widget import Widget
from kivy.app import App
from kivy.clock import Clock
from kivy.input.providers.mouse import MouseMotionEvent
class Grip(Widget):
grip_size = 25
offset = 10
def __init__(self, **kwargs):
super(Grip, self).__init__(**kwargs)
self.size_hint = (None, None)
self.size = (self.grip_size, self.grip_size)
def draw_grip(self):
self.canvas.before.clear()
with self.canvas.before:
Color(1, 1, 1)
Rectangle(pos = self.pos, size = self.size)
def on_touch_down(self, touch):
pass
def on_touch_move(self, touch):
pass
class SelectWidget(Widget):
snap_size = 20
def __init__(self, **kwargs):
self._x = kwargs.pop('x', -1)
self._y = kwargs.pop('y', -1)
self.name = kwargs.pop('name', '')
self.widget = kwargs.pop('widget', None)
super(SelectWidget, self).__init__(**kwargs)
self.size_hint = (None, None)
self.mouse_down = False
self.grip_selected = False
self.selected = False
self.grip_index = 0
self.set_pos()
self.widget.pos = self.pos
#self.widget.size = self.size
self.size = self.widget.size
self.add_widget(self.widget)
self.grips = [Grip(pos = self.pos), Grip(pos = self.pos), Grip(pos = self.pos), Grip(pos = self.pos)]
for index, grip in enumerate(self.grips):
self.grips[index].pos = self.get_grip_pos(index)
self.add_widget(grip)
Clock.schedule_once(self.dispatch_event, .2)
def dispatch_event(self, *args):
touch = MouseMotionEvent(None, 1, self.pos)
touch.pos = self.pos
touch.button = 'left'
touch.x = self.pos[0] + self.size[0] // 2
touch.y = self.pos[1] + self.size[1] // 2
self.dispatch('on_touch_down', touch)
def set_pos(self):
self.window_height = Window.height
if self._x >= 0: self.pos[0] = self._x
if self._y >= 0: self.pos[1] = Window.height - self._y - self.size[1]
self.widget.pos = self.pos
def update_pos(self, value):
delta = value[1] - self.window_height
self.pos[1] += delta
self.window_height = value[1]
self.widget.pos = self.pos
self.update_grip_positions()
if self.selected:
self.canvas.before.clear()
self.draw_select_box()
def set_widget_size(self, size):
self.size = size
self.widget.size = size
self.update_grip_positions()
if self.selected:
self.canvas.before.clear()
self.draw_select_box()
def set_widget_pos(self, pos):
self._x = pos[0]
self._y = pos[1]
self.set_pos()
self.update_grip_positions()
if self.selected:
self.canvas.before.clear()
self.draw_select_box()
def update_grip_positions(self):
for index, grip in enumerate(self.grips):
grip.pos = self.get_grip_pos(index)
def get_pos_vars(self):
return self.pos[0], self.pos[1], self.widget.size[0], self.widget.size[1]
def get_grip_pos(self, index):
x, y, w, h = self.get_pos_vars()
if index == 0: return [x - Grip.offset, y - Grip.offset]
if index == 1: return [x + w - Grip.grip_size + Grip.offset, y - Grip.offset]
if index == 2: return [x + w - Grip.grip_size + Grip.offset, y + h - Grip.grip_size + Grip.offset]
if index == 3: return [x - Grip.offset, y + h - Grip.grip_size + Grip.offset]
def draw_select_box(self):
x, y, w, h = self.get_pos_vars()
points = [x, y, x, y + h, x + w, y + h, x + w, y, x, y]
with self.canvas.before:
Color(1, 1, 1) # *color, mode='hsv')
Line(points = points, width = 2)
for grip in self.grips:
grip.draw_grip()
def on_touch_down(self, touch):
self.mouse_down = True
color = (1, 1, 1, 1)
grip_x = touch.x
grip_y = touch.y
touch.x = touch.x // self.snap_size * self.snap_size
touch.y = touch.y // self.snap_size * self.snap_size
self.td = [touch.x, touch.y]
# first see if a grip is selected
for index, grip in enumerate(self.grips):
if grip.collide_point(grip_x, grip_y):
grip.on_touch_down(touch)
self.grip_selected = True
self.grip_index = index
self.selected = True
return True
# check if widget is selected
if App.get_running_app().ctrl == True:
if self.selected == True: return
self.selected = self.collide_point(touch.x, touch.y)
if self.selected == False:
for grip in self.grips:
grip.canvas.before.clear()
self.canvas.before.clear()
return
self.draw_select_box()
# need to deselect all other selected widgets in normal mode
if App.get_running_app().ctrl == False: self.parent.deselect_all(self)
class_name = type(self.widget).__name__
App.get_running_app().build_props_panel(class_name)
App.get_running_app().init_properties(self, touch.button)
App.get_running_app().focus = True
if App.get_running_app().shift == True: return False
return True # needed to allow widget inside widget to be selected
def on_touch_move(self, touch):
if not self.mouse_down: return
# keep this line - can select and move entire screen
# if self.selected == False and App.get_running_app().shift == False: return
if self.selected == False: return
touch.x = touch.x // self.snap_size * self.snap_size
touch.y = touch.y // self.snap_size * self.snap_size
if self.grip_index == 0:
self.pos[0] -= self.td[0] - touch.x
self.pos[1] -= self.td[1] - touch.y
if self.grip_index == 1:
self.pos[1] -= self.td[1] - touch.y
if self.grip_index == 2:
pass
if self.grip_index == 3:
self.pos[0] -= self.td[0] - touch.x
pass
self.widget.pos = self.pos
self.canvas.before.clear()
if self.grip_selected:
if self.grip_index == 0:
self.size[0] += self.td[0] - touch.x
self.size[1] += self.td[1] - touch.y
if self.grip_index == 1:
self.size[0] += touch.x - self.td[0]
self.size[1] += self.td[1] - touch.y
if self.grip_index == 2:
self.size[0] += touch.x - self.td[0]
self.size[1] += touch.y - self.td[1]
if self.grip_index == 3:
self.size[0] += self.td[0] - touch.x
self.size[1] += touch.y - self.td[1]
self.widget.size = self.size
self.td = [touch.x, touch.y]
self.update_grip_positions()
self.draw_select_box()
App.get_running_app().init_properties(self)
App.get_running_app().screen_builder.set_init_pos()
return # True
def on_touch_up(self, touch):
self.mouse_down = False
self.grip_selected = False
self.grip_index = 0
def select(self, widget):
widget.selected = True
widget.grip_selected = False
widget.grip_index = 0
widget.draw_select_box()
def deselect(self, widget):
widget.selected = False
widget.grip_selected = False
widget.grip_index = 0
widget.canvas.before.clear()
for grip in widget.grips:
grip.canvas.before.clear()