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Code Issues Releases Wiki Activity

trezor/ui/swipe: improve dimming

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This commit is contained in:
Jan Pochyla 2017-09-26 11:54:07 +02:00
parent f2e53ab2eb
commit 305d4d9cc5
3 changed files with 61 additions and 34 deletions
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6
src/apps/homescreen/homescreen.py
View File

@ -3,10 +3,10 @@ from trezor.utils import unimport
async def swipe_to_rotate():
from trezor.ui.swipe import Swipe
from trezor.ui.swipe import Swipe, degrees
degrees = await Swipe(absolute=True)
ui.display.orientation(degrees)
swipe = await Swipe(absolute=True)
ui.display.orientation(degrees(swipe))
async def dim_screen():

16
src/trezor/ui/scroll.py
View File

@ -1,14 +1,20 @@
from micropython import const
from trezor import loop, ui
from .swipe import Swipe, SWIPE_UP, SWIPE_DOWN
from .swipe import Swipe, SWIPE_UP, SWIPE_DOWN, SWIPE_VERTICAL
async def change_page(page, page_count):
while True:
s = await Swipe()
if s == SWIPE_UP and page < page_count - 1:
if page == 0:
d = SWIPE_UP
elif page == page_count - 1:
d = SWIPE_DOWN
else:
d = SWIPE_VERTICAL
s = await Swipe(directions=d)
if s == SWIPE_UP:
return page + 1 # scroll down
elif s == SWIPE_DOWN and page > 0:
elif s == SWIPE_DOWN:
return page - 1 # scroll up
@ -25,7 +31,7 @@ async def paginate(render_page, page_count, page=0, *args):
async def animate_swipe():
time_delay = const(30000)
time_delay = const(40000)
draw_delay = const(200000)
sleep = loop.sleep(time_delay)

73
src/trezor/ui/swipe.py
View File

@ -7,19 +7,35 @@ _SWIPE_DISTANCE_THRESHOLD = const(20) # Min pixels in the primary direction
_SWIPE_VELOCITY_THRESHOLD = const(200) # Min pixels per second
_SWIPE_RATIO_THRESHOLD = const(30) # Max ratio or directions in %
SWIPE_UP = const(180)
SWIPE_DOWN = const(0)
SWIPE_LEFT = const(90)
SWIPE_RIGHT = const(270)
SWIPE_UP = const(0x01)
SWIPE_DOWN = const(0x02)
SWIPE_LEFT = const(0x04)
SWIPE_RIGHT = const(0x08)
SWIPE_VERTICAL = const(SWIPE_UP | SWIPE_DOWN)
SWIPE_HORIZONTAL = const(SWIPE_LEFT | SWIPE_RIGHT)
SWIPE_ALL = const(SWIPE_VERTICAL | SWIPE_HORIZONTAL)
def degrees(swipe: int) -> int:
if swipe == SWIPE_UP:
return 180
elif swipe == SWIPE_DOWN:
return 0
elif swipe == SWIPE_LEFT:
return 90
elif swipe == SWIPE_RIGHT:
return 270
class Swipe(ui.Widget):
def __init__(self, area=None, absolute=False):
def __init__(self, area=None, absolute=False, directions=SWIPE_ALL):
self.area = area or (0, 0, ui.SCREEN, ui.SCREEN)
self.absolute = absolute
self.directions = directions
self.start_pos = None
self.start_time = 0
self.light = None
self.light_origin = None
self.light_target = ui.BACKLIGHT_NONE
@ -30,7 +46,6 @@ class Swipe(ui.Widget):
temp_time = utime.ticks_ms() / 1000
# primary now for fading purposes
if event == io.TOUCH_MOVE and self.start_pos is not None:
pdx = pos[0] - self.start_pos[0]
pdy = pos[1] - self.start_pos[1]
@ -38,25 +53,25 @@ class Swipe(ui.Widget):
pdxa = abs(pdx)
pdya = abs(pdy)
if pdxa < pdya and pdy < 0:
# check if its vertical scroll up
velya = abs(pdy / td) if td > 0 else 1
ratio = int(pdxa / pdya * 100) if pdya > 0 else 100
if (velya >= _SWIPE_VELOCITY_THRESHOLD and
pdya >= _SWIPE_DISTANCE_THRESHOLD and
ratio <= _SWIPE_RATIO_THRESHOLD):
light = ui.display.backlight()
if light > self.light_target:
light -= 5
ui.display.backlight(light)
else:
ui.display.backlight(self.light_target)
if pdxa > pdya and self.directions & SWIPE_HORIZONTAL:
# Horizontal direction
if (pdx > 0 and self.directions & SWIPE_RIGHT) or (pdx < 0 and self.directions & SWIPE_LEFT):
ui.display.backlight(ui.lerpi(
self.light_origin,
self.light_target,
pdxa / 120 if pdxa < 120 else 1))
elif pdxa < pdya and self.directions & SWIPE_VERTICAL:
# Vertical direction
if (pdy > 0 and self.directions & SWIPE_DOWN) or (pdy < 0 and self.directions & SWIPE_UP):
ui.display.backlight(ui.lerpi(
self.light_origin,
self.light_target,
pdya / 120 if pdya < 120 else 1))
elif event == io.TOUCH_START and contains(self.area, pos):
self.start_time = temp_time
self.start_pos = pos
self.light_origin = ui.BACKLIGHT_NORMAL
ui.display.backlight(self.light_origin)
elif event == io.TOUCH_END and self.start_pos is not None:
td = temp_time - self.start_time
@ -64,24 +79,30 @@ class Swipe(ui.Widget):
pdy = pos[1] - self.start_pos[1]
pdxa = abs(pdx)
pdya = abs(pdy)
if pdxa > pdya:
if pdxa > pdya and self.directions & SWIPE_HORIZONTAL:
# Horizontal direction
velxa = abs(pdx / td)
ratio = int(pdya / pdxa * 100) if pdxa > 0 else 100
if (velxa >= _SWIPE_VELOCITY_THRESHOLD and
pdxa >= _SWIPE_DISTANCE_THRESHOLD and
ratio <= _SWIPE_RATIO_THRESHOLD):
return SWIPE_RIGHT if pdx > 0 else SWIPE_LEFT
else:
if pdx > 0 and self.directions & SWIPE_RIGHT:
return SWIPE_RIGHT
elif pdx < 0 and self.directions & SWIPE_LEFT:
return SWIPE_LEFT
elif pdxa < pdya and self.directions & SWIPE_VERTICAL:
# Vertical direction
velya = abs(pdy / td)
ratio = int(pdxa / pdya * 100) if pdya > 0 else 100
if (velya >= _SWIPE_VELOCITY_THRESHOLD and
pdya >= _SWIPE_DISTANCE_THRESHOLD and
ratio <= _SWIPE_RATIO_THRESHOLD):
if pdy < 0:
ui.display.backlight(self.light_origin)
return SWIPE_DOWN if pdy > 0 else SWIPE_UP
if pdy > 0 and self.directions & SWIPE_DOWN:
self.light = None
return SWIPE_DOWN
elif pdy < 0 and self.directions & SWIPE_UP:
self.light = None
return SWIPE_UP
# No swipe, reset the state
self.start_pos = None
self.start_time = 0