def init_input(self, label, text=None):
self.input_label = label
self.input = TextArea(
self.window,
self.font,
TextBuffer(text),
window_border=(self.window.size[1] - self.height + self.border[0],
self.border[1], self.border[2],
(self.font.size[0] * len(label)) +
(2 * self.border[3])),
line_spacing=0)
def run():
(window_size, f) = get_args()
tb = TextBuffer()
if f:
tb.load(f)
sdl2.ext.init()
window = sdl2.ext.Window(WINDOW_TITLE, size=window_size)
window.show()
factory = sdl2.ext.SpriteFactory(sdl2.ext.SOFTWARE)
font_img = factory.from_image(FONT_IMG_PATH)
sdl2.SDL_SetColorKey(
font_img.surface, sdl2.SDL_TRUE,
sdl2.SDL_MapRGB(font_img.surface.format, COLOR_KEY_R, COLOR_KEY_G,
COLOR_KEY_B))
font = sdl2.ext.BitmapFont(font_img, FONT_SIZE, mapping=FONT_MAPPING)
sb = StatusBar(window, tb, font, STATUS_BAR_COLOR,
(STATUS_BAR_BORDER_TOP, STATUS_BAR_BORDER_RIGHT,
STATUS_BAR_BORDER_BOTTOM, STATUS_BAR_BORDER_LEFT))
ta = TextArea(window, font, tb,
(TEXT_AREA_BORDER_TOP, TEXT_AREA_BORDER_RIGHT,
sb.height + TEXT_AREA_BORDER_BOTTOM, TEXT_AREA_BORDER_LEFT),
TEXT_AREA_LINE_SPACING)
state = EditState(Editor(None, window, ta, sb))
sdl2.SDL_StartTextInput()
while True:
start = sdl2.SDL_GetTicks()
state = state.update(sdl2.ext.get_events())
if state is None:
break
ticks = sdl2.SDL_GetTicks() - start
if ticks < 1000 / FRAMES_PER_SECOND:
sdl2.SDL_Delay((1000 / FRAMES_PER_SECOND) - ticks)
sdl2.SDL_StopTextInput()
sdl2.ext.quit()
return 0
def __init__(self):
self.textbuffer = TextBuffer(cols, rows)
# make the framebuffer we draw into the size of one line of text as that's all we need
self.buf = bytearray(screen_width * font_height // 8)
# the screen defaults to portrait and we want to use it in landscape so we have to rotate as we go, unfortunately. that's why dimensions look swapped around
self.fb = FrameBuffer(self.buf, font_height, screen_width, MONO_HLSB)
sck = Pin(18, Pin.OUT)
mosi = Pin(23, Pin.OUT)
miso = Pin(19, Pin.IN)
spi = SPI(2,
baudrate=80000000,
polarity=0,
phase=0,
sck=sck,
mosi=mosi,
miso=miso)
cs = Pin(5, Pin.OUT)
dc = Pin(17, Pin.OUT)
rst = Pin(27, Pin.OUT)
busy = Pin(35, Pin.IN)
self.epd = EPD(spi, cs, dc, rst, busy)
self.epd.init()
self.clear_screen()
# we were in slow mode for the initial clear on startup, we're now going to fast mode as that's the most likely one we'll need next
self.mode = 'slow'
self.set_fast()
self.running = False
self.last_change = None
def setUp(self):
self.tb = TextBuffer()
def __init__(self, cols=40, rows=4):
self.textbuffer = TextBuffer(cols, rows)
