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#!/usr/bin/env python3
from asciimatics.widgets import Frame, Layout, Divider, Button
from asciimatics.scene import Scene
from asciimatics.screen import Screen
from asciimatics.exceptions import ResizeScreenError, NextScene, StopApplication
import sys
class TabButtons(Layout):
def __init__(self, frame, active_tab_idx):
cols = [1, 1, 1, 1, 1]
super().__init__(cols)
self._frame = frame
for i,_ in enumerate(cols):
self.add_widget(Divider(), i)
btns = [Button("Btn1", self._on_click_1),
Button("Btn2", self._on_click_2),
Button("Btn3", self._on_click_3),
Button("Btn4", self._on_click_4),
Button("Quit", self._on_click_Q)]
for i, btn in enumerate(btns):
self.add_widget(btn, i)
btns[active_tab_idx].disabled = True
def _on_click_1(self):
raise NextScene("Tab1")
def _on_click_2(self):
raise NextScene("Tab2")
def _on_click_3(self):
raise NextScene("Tab3")
def _on_click_4(self):
raise NextScene("Tab4")
def _on_click_Q(self):
raise StopApplication("Quit")
class RootPage(Frame):
def __init__(self, screen):
super().__init__(screen,
screen.height,
screen.width,
can_scroll=False,
title="Root Page")
layout1 = Layout([1], fill_frame=True)
self.add_layout(layout1)
# add your widgets here
layout2 = TabButtons(self, 0)
self.add_layout(layout2)
self.fix()
class AlphaPage(Frame):
def __init__(self, screen):
super().__init__(screen,
screen.height,
screen.width,
can_scroll=False,
title="Alpha Page")
layout1 = Layout([1], fill_frame=True)
self.add_layout(layout1)
# add your widgets here
layout2 = TabButtons(self, 1)
self.add_layout(layout2)
self.fix()
class BravoPage(Frame):
def __init__(self, screen):
super().__init__(screen,
screen.height,
screen.width,
can_scroll=False,
title="Bravo Page")
layout1 = Layout([1], fill_frame=True)
self.add_layout(layout1)
# add your widgets here
layout2 = TabButtons(self, 2)
self.add_layout(layout2)
self.fix()
class CharliePage(Frame):
def __init__(self, screen):
super().__init__(screen,
screen.height,
screen.width,
can_scroll=False,
title="Charlie Page")
layout1 = Layout([1], fill_frame=True)
self.add_layout(layout1)
# add your widgets here
layout2 = TabButtons(self, 3)
self.add_layout(layout2)
self.fix()
def demo(screen, scene):
scenes = [
Scene([RootPage(screen)], -1, name="Tab1"),
Scene([AlphaPage(screen)], -1, name="Tab2"),
Scene([BravoPage(screen)], -1, name="Tab3"),
Scene([CharliePage(screen)], -1, name="Tab4"),
]
screen.play(scenes, stop_on_resize=True, start_scene=scene, allow_int=True)
last_scene = None
while True:
try:
Screen.wrapper(demo, catch_interrupt=True, arguments=[last_scene])
sys.exit(0)
except ResizeScreenError as e:
last_scene = e.scene
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