Mercurial > urwid-satext
annotate examples/menu.py @ 41:589e5e22f8f1
menu example: added shortcut example + some comments
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 20 Feb 2011 00:32:57 +0100 |
| parents | 4da76342ae05 |
| children | 585302e84c1f |
| rev | line source |
|---|---|
| 40 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 import urwid | |
| 5 from urwid_satext.sat_widgets import Menu | |
| 6 import time | |
| 7 | |
| 8 | |
| 9 #These palette is optional, but it's easier to use with some colors :) | |
| 10 | |
| 11 const_PALETTE = [('menubar', 'light gray,bold', 'dark red'), | |
| 12 ('menubar_focus', 'light gray,bold', 'dark green'), | |
| 13 ('menuitem', 'light gray,bold', 'dark red'), | |
| 14 ('menuitem_focus', 'light gray,bold', 'dark green'), | |
| 15 ] | |
| 16 | |
| 17 class MenuDemo(object): | |
| 18 | |
| 19 def __init__(self): | |
| 20 _frame = urwid.Frame(urwid.Filler(urwid.Text('Menu demo', align='center'))) | |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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21 self.loop = urwid.MainLoop(_frame, const_PALETTE, unhandled_input=self.keyHandler) |
| 40 | 22 _frame.set_header(self.buildMenu()) |
| 23 _frame.set_focus('header') | |
| 24 | |
| 25 def run(self): | |
| 26 self.loop.run() | |
| 27 | |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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28 def _messageExit(self, message): |
| 40 | 29 #We print the menu data in the middle of the screen |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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30 new_widget = urwid.Filler(urwid.Text(message, align='center')) |
| 40 | 31 self.loop.widget = new_widget |
| 32 self.loop.draw_screen() | |
| 33 #5 seconds pause | |
| 34 time.sleep(5) | |
| 35 #see you | |
| 36 raise urwid.ExitMainLoop() | |
| 37 | |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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38 def menu_cb(self, menu_data): |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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39 self._messageExit("Menu selected: %s/%s" % menu_data) |
|
589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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40 |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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41 def exit_cb(self, menu_data): |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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42 self._messageExit("Exiting throught 'Exit' menu item") |
|
589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
|
43 |
| 40 | 44 def buildMenu(self): |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
|
45 self.menu = Menu(self.loop) |
| 40 | 46 _menu1 = "Menu 1" |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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47 self.menu.addMenu(_menu1, "Item 1", self.menu_cb) #Adding a menu is quite easy |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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48 self.menu.addMenu(_menu1, "Item 2", self.menu_cb) #Here the callback is always the same, |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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49 self.menu.addMenu(_menu1, "Item 3", self.menu_cb) #but you use differents one in real life :) |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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50 self.menu.addMenu(_menu1, "Exit (C-x)", self.exit_cb, 'ctrl x') #You can also add a shortcut |
| 40 | 51 _menu2 = "Menu 2" |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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52 self.menu.addMenu(_menu2, "Item 1", self.menu_cb) |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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53 self.menu.addMenu(_menu2, "Item 2", self.menu_cb) |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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54 self.menu.addMenu(_menu2, "Item 3", self.menu_cb) |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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55 return self.menu |
| 40 | 56 |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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57 def keyHandler(self, input): |
| 40 | 58 """We leave is user press 'esc'""" |
| 59 if input in ('esc','q','Q'): | |
| 60 raise urwid.ExitMainLoop() | |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
40
diff
changeset
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61 else: |
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589e5e22f8f1
menu example: added shortcut example + some comments
Goffi <goffi@goffi.org>
parents:
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diff
changeset
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62 return self.menu.checkShortcuts(input) |
| 40 | 63 |
| 64 demo = MenuDemo() | |
| 65 demo.run() |