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https://github.com/Foltik/dotfiles
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146 lines
3.9 KiB
Python
Executable File
146 lines
3.9 KiB
Python
Executable File
import curses
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from curses import panel
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from types import LambdaType
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class BaseMenu:
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def __init__(self, stdscreen):
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self.window = stdscreen.subwin(0, 0)
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self.window.keypad(1)
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self.panel = panel.new_panel(self.window)
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self.panel.hide()
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panel.update_panels()
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def up(self):
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self.panel.top()
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self.panel.show()
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self.window.clear()
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def down(self):
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self.window.clear()
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self.panel.hide()
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panel.update_panels()
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curses.doupdate()
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def update(self):
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self.window.refresh()
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curses.doupdate()
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class Menu(BaseMenu):
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def __init__(self, stdscreen, title, items):
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super().__init__(stdscreen)
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self.should_exit = False
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self.position = 0
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self.title = title
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self.items = items
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self.items.append(('Exit', self.exit))
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def exit(self):
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self.should_exit = True
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def navigate(self, offset):
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self.position += offset
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self.position %= len(self.items)
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def draw_title(self):
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self.window.addstr(1, 1, self.title, curses.A_BOLD)
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def draw(self):
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self.draw_title()
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for index, item in enumerate(self.items):
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text = '%d. %s' % (index + 1, item[0])
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text_mode = curses.A_REVERSE if index == self.position else curses.A_NORMAL
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self.window.addstr(index + 3, 1, text, text_mode)
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def select(self, index):
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self.items[index][1]()
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def input(self, key):
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# ESC to quit
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if key == 27:
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self.window.nodelay(True)
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key = self.window.getch()
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if key == -1:
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return self.exit()
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# q to quit
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if key == ord('q'):
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return self.exit()
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# Enter to select item
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if key in [curses.KEY_ENTER, ord('\n')]:
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self.select(self.position)
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# Number keys to select item
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if key - ord('0') in range(1, len(self.items) + 1):
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self.select(key - ord('0') - 1)
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# Arrow keys or jk to navigate
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if key in [curses.KEY_UP, ord('k')]:
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self.navigate(-1)
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elif key in [curses.KEY_DOWN, ord('j')]:
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self.navigate(1)
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def display(self):
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self.up()
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while not self.should_exit:
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self.update()
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self.draw()
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key = self.window.getch()
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self.input(key)
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self.should_exit = False
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self.down()
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class ChecklistMenu(Menu):
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def __init__(self, stdscreen, title, items, default):
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super().__init__(stdscreen, title, items)
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self.states = [default] * len(items)
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def draw(self):
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self.draw_title()
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for index, item in enumerate(self.items):
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text = ''
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if isinstance(item[1], LambdaType):
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text = '%d. [ %s ] %s' % (index + 1, '*' if self.states[index] else ' ', item[0])
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else:
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text = '%d. %s' % (index + 1, item[0])
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text_mode = curses.A_REVERSE if index == self.position else curses.A_NORMAL
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self.window.addstr(index + 3, 1, text, text_mode)
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def all(self, val):
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for i in range(0, len(self.states)):
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self.states[i] = val
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for item in self.items:
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fn = item[1]
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if isinstance(fn, LambdaType):
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fn(val)
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def input(self, key):
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super().input(key)
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if key == ord('\t'):
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self.expand(self.position)
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if key == ord('e'):
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self.all(True)
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if key == ord('d'):
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self.all(False)
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def expand(self, index):
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if len(self.items[index]) >= 3:
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self.items[index][2]()
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def select(self, index):
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self.states[index] = not self.states[index]
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fn = self.items[index][1]
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if isinstance(fn, LambdaType):
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fn(self.states[index])
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else:
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fn()
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