def test_viewport_container(self):
""" Tests event handling of viewports (scaling and translation) """
comp = TestComponent(position=[20, 20])
container = TestContainer(bounds=[100, 100], position=[50, 50])
container.add(comp)
viewport = Viewport(component=container,
bounds=[400, 400],
position=[30, 30])
# Test unscaled event
event = BasicEvent(x=105, y=105)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
# Translate the viewport's view_position
container.last_event = None
comp.last_event = None
viewport.view_position = [-10, -10]
event = BasicEvent(x=115, y=115)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
# Do a zoom
container.last_event = None
comp.last_event = None
# Zoom in by a factor of 2, so view an area that is 200x200.
viewport.zoom = 2.0
viewport.enable_zoom = True
viewport.view_position = [-50, -50]
viewport.view_bounds = [200, 200]
event = BasicEvent(x=280, y=280)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
return
def _create_window(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
canvas.overlays.append(EventTracer(canvas, color="green", size=8,
angle=45.0))
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0,0]
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
viewport.overlays.append(EventTracer(viewport))
if 1:
scrolled = Scrolled(canvas, inside_padding_width = 0,
mousewheel_scroll = False,
viewport_component = viewport,
always_show_sb = True,
continuous_drag_update = True)
return Window(self, -1, component=scrolled)
elif 1:
viewport.bounds = [300, 300]
viewport.position = [10,10]
container = Container(fit_window=True, auto_size=False,
border_visible=True,
border_color = "blue")
container.padding = 20
container.add(viewport)
return Window(self, -1, component=container)
else:
return Window(self, -1, component=viewport)
def test_viewport_container(self):
""" Tests event handling of viewports (scaling and translation) """
comp = TestComponent(position=[20,20])
container = TestContainer(bounds=[100,100], position=[50,50])
container.add(comp)
viewport = Viewport(component=container, bounds=[400,400],
position=[30,30])
# Test unscaled event
event = BasicEvent(x=105, y=105)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
# Translate the viewport's view_position
container.last_event = None
comp.last_event = None
viewport.view_position = [-10,-10]
event = BasicEvent(x=115, y=115)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
# Do a zoom
container.last_event = None
comp.last_event = None
# Zoom in by a factor of 2, so view an area that is 200x200.
viewport.zoom = 2.0
viewport.enable_zoom = True
viewport.view_position = [-50, -50]
viewport.view_bounds = [200, 200]
event = BasicEvent(x=280, y=280)
viewport.dispatch(event, "left_down")
self.assertTrue(container.last_event.x == 75)
self.assertTrue(container.last_event.y == 75)
self.assertTrue(comp.last_event.x == 25)
self.assertTrue(comp.last_event.y == 25)
return
def __container_default(self):
""" default setter for _container
"""
viewport = Viewport(component=self._canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return Scrolled(self._canvas, viewport_component=viewport)
def __container_default(self):
""" default setter for _container
"""
viewport = Viewport(component=self._canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return Scrolled(self._canvas, viewport_component=viewport)
def _viewport_default(self):
""" Trait initialiser.
"""
vp = Viewport(component=self.canvas)
vp.enable_zoom=False
vp.view_position = [-5, -5]
return vp
def create_component(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
from basic_move import Box
box = Box(color="red", bounds=[50, 50], resizable="")
box.position = [75, 75]
canvas.add(box)
viewport = Viewport(component=canvas)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return viewport
def _create_window(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
from basic_move import Box
box = Box(color="red", bounds=[50,50], resizable="")
box.position= [75,75]
canvas.add(box)
viewport = Viewport(component=canvas)
viewport.view_position = [0,0]
viewport.tools.append(ViewportPanTool(viewport))
return Window(self, -1, component=viewport)
def _create_component(self):
canvas = DropCanvas(bgcolor="lightsteelblue", draw_axes=True)
canvas.overlays.append(EventTracer(canvas, color="green", size=8,
angle=45.0))
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
viewport.overlays.append(EventTracer(viewport))
scrolled = Scrolled(canvas, inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True)
return scrolled
def _create_window(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
canvas.overlays.append(EventTracer(canvas, color="green", size=8,
angle=45.0))
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0,0]
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
viewport.overlays.append(EventTracer(viewport))
scrolled = Scrolled(canvas, inside_padding_width = 0,
mousewheel_scroll = False,
viewport_component = viewport,
always_show_sb = True,
continuous_drag_update = True)
return Window(self, -1, component=scrolled)
def _create_window(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
boxgridsize = 8
boxsize = 50
spacing = boxsize * 2
offset = spacing / 2
origin_color = array([0.0, 0.0, 1.0])
x_color = array([0.0, 1.0, 0.0])
y_color = array([1.0, 0.0, 0.0])
for i in range(boxgridsize):
for j in range(boxgridsize):
color = tuple(x_color / (boxgridsize - 1) * i + y_color / (boxgridsize - 1) * j + origin_color) + (1.0,)
box = Box(color=color, bounds=[boxsize, boxsize], resizable="")
box.position = [i * spacing + offset - boxsize / 2 + 0.5, j * spacing + offset - boxsize / 2 + 0.5]
canvas.add(box)
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
# Uncomment the following to enforce limits on the zoom
# viewport.min_zoom = 0.1
# viewport.max_zoom = 3.0
scrolled = Scrolled(
canvas,
fit_window=True,
inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True,
)
return Window(self, -1, component=scrolled)
def _create_window(self):
self.canvas = Canvas(bgcolor='lightgrey',
draw_axes=True,
fit_window = True)
sys,cat = load_system("datsun truck.repo")
# sys,cat = load_system()
# find_technologies(sys)
self.make_components(sys)
viewport = Viewport(component=self.canvas,enable_zoom=True)
max_x = 0
max_y = 0
for art in sys.artifacts:
try:
if art.drawable.x2 > max_x:
max_x = art.drawable.x2
if art.drawable.y2 > max_y:
max_y = art.drawable.y2
except AttributeError:
pass
# max_x = max([art.drawable.x2 for art in sys.artifacts])
# max_y = max([art.drawable.y2 for art in sys.artifacts])
viewport.view_position = [max_x/2,max_y/2]
viewport.view_bounds = self.canvas.bounds
viewport.zoom = 0.3
viewport.zoom_tool.wheel_zoom_step = 1
viewport.tools.append(ViewportPanTool(viewport))
self.viewport = viewport
self.fit_window()
return Window(self, -1, component=viewport)
