class ScreenControl(object) :
LEFT_OFFSET = 4
TEXT_NORMAL = curses.A_UNDERLINE
TEXT_REVERSE = curses.A_REVERSE
def __init__(self, items) :
self.items = items
self.screenAPI = ScreenAPI()
self.cur = -1
self.select_item = None
def __del__(self) :
self.screenAPI.quit()
def __run__(self) :
while True:
event = self.screenAPI.stdscr.getch()
if event == ord("q"):
break
elif event == curses.KEY_UP:
if len(self.items) == 1: continue
self.toggle(self.cur)
newindex = self.cur - 1
if newindex < 0:
newindex = len(self.items) - 1
self.toggle(newindex)
elif event == curses.KEY_DOWN:
if len(self.items) == 1: continue
self.toggle(self.cur)
newindex = self.cur + 1
if newindex >= len(self.items):
newindex = 0
self.toggle(newindex)
elif event == curses.KEY_ENTER or event == 10:
self.select(self.cur)
break
self.quit()
def get_show_text(self, index) :
return self.items[index]['show']
def show(self) :
for i, item in enumerate(self.items):
self.screenAPI.stdscr.addstr(i, 0, '['+str(i + 1)+']'.ljust(self.LEFT_OFFSET), curses.A_NORMAL)
self.screenAPI.stdscr.addstr(i, self.LEFT_OFFSET, self.get_show_text(i), self.TEXT_NORMAL)
self.toggle(0)
self.screenAPI.pre_run()
self.__run__()
def quit(self) :
self.screenAPI.quit()
def toggle(self, index) :
if self.cur == index:
self.screenAPI.stdscr.chgat(index, self.LEFT_OFFSET, len(self.get_show_text(index)), self.TEXT_NORMAL)
else:
self.screenAPI.stdscr.chgat(index, self.LEFT_OFFSET, len(self.get_show_text(index)), self.TEXT_REVERSE)
self.cur = index
self.screenAPI.stdscr.refresh()
def select(self, index) :
self.select_item = self.items[index]
def __init__(self, items) : self.items = items self.screenAPI = ScreenAPI() self.cur = -1 self.select_item = None