174 lines
6.0 KiB
Python
174 lines
6.0 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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import urwid
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# Exceptions to handle DialogDisplay exit codes
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class DialogExit(Exception):
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def __init__(self, exitcode = 0):
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self.exitcode = exitcode
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class ChildDialogExit(DialogExit):
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pass
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class MainDialogExit(DialogExit):
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pass
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class OffsetOverlay(urwid.Overlay):
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def calculate_padding_filler(self, size, focus):
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l, r, t, b = self.__super.calculate_padding_filler(size, focus)
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return l+1, max(0, r-1), t+1, max(0, b-1)
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# MyFrame makes urwid.Frame switch
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# focus between body and footer
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# when pressing 'tab'
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class PopUpDialog(urwid.WidgetWrap):
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"""A dialog that appears with nothing but a close button """
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signals = ['close']
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def __init__(self):
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close_button = urwid.Button("that's pretty cool")
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urwid.connect_signal(close_button, 'click',
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lambda button:self._emit("close"))
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pile = urwid.Pile([urwid.Text(
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"^^ I'm attached to the widget that opened me. "
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"Try resizing the window!\n"), close_button])
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fill = urwid.Filler(pile)
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self.__super.__init__(urwid.AttrWrap(fill, 'popbg'))
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class PopUp(urwid.PopUpLauncher):
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def __init__(self, original_widget, text):
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#self.__super.__init__(urwid.Button("click-me"))
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#urwid.connect_signal(self.original_widget, 'click',
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# lambda button: self.open_pop_up())
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pass
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def create_pop_up(self):
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pop_up = PopUpDialog()
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urwid.connect_signal(pop_up, 'close',
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lambda button: self.close_pop_up())
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return pop_up
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def get_pop_up_parameters(self):
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return {'left':0, 'top':1, 'overlay_width':32, 'overlay_height':7}
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#class MyFrame(urwid.Frame):
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# def keypress(self, size, key):
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# if key == 'tab':
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# if self.focus_part == 'body':
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# self.set_focus('footer')
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# return None
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# elif self.focus_part == 'footer':
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# self.set_focus('body')
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# return None
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# else:
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# # do default action if
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# # focus_part is 'header'
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# self.__super.keypress(size, key)
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# return self.__super.keypress(size, key)
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#
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#class DialogDisplay(urwid.WidgetWrap):
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# palette = [
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# ('body','black','white'),
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# ('border','black','white'),
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# ('shadow','white','black'),
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# ('selectable','black', 'dark cyan'),
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# ('focus','black','dark cyan','bold'),
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# ('focustext','light gray','dark blue'),
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# ('button normal','light gray', 'dark blue', 'standout'),
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# ('button select','white', 'dark green'),
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# ]
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# parent = None
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# def __init__(self, text, width, height, body=None, loop=None):
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# width = int(width)
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# if width <= 0:
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# width = ('relative', 80)
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# height = int(height)
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# if height <= 0:
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# height = ('relative', 80)
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#
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# if body is None:
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# # fill space with nothing
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# self.body = urwid.SolidFill(' ')
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# fp = 'footer'
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# else:
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# self.body = body
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# fp = 'body'
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# self.frame = MyFrame(self.body, focus_part = fp)
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# if text is not None:
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# self.frame.header = urwid.Pile( [urwid.Text(text),
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# urwid.Divider(u'\u2550')] )
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# w = self.frame
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#
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# # pad area around listbox
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# w = urwid.Padding(w, ('fixed left',2), ('fixed right',2))
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# w = urwid.Filler(w, ('fixed top',1), ('fixed bottom',1))
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# w = urwid.AttrWrap(w, 'body')
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#
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# w = urwid.LineBox(w)
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#
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# # "shadow" effect
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# w = urwid.Columns( [w,('fixed', 1, urwid.AttrWrap(
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# urwid.Filler(urwid.Text(('border',' ')), "top")
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# ,'shadow'))])
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# w = urwid.Frame( w, footer =
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# urwid.AttrWrap(urwid.Text(('border',' ')),'shadow'))
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# if loop is None:
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# # this dialog is the main window
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# # create outermost border area
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# w = urwid.Padding(w, 'center', width )
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# w = urwid.Filler(w, 'middle', height )
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# w = urwid.AttrWrap( w, 'border' )
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# else:
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# # this dialog is a child window
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# # overlay it over the parent window
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# self.loop = loop
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# self.parent = self.loop.widget
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# w = urwid.Overlay(w, self.parent, 'center', width+2, 'middle', height+2)
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# self.view = w
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#
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# # Call WidgetWrap.__init__ to correctly initialize ourselves
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# urwid.WidgetWrap.__init__(self, self.view)
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#
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#
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# def add_buttons(self, buttons):
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# l = []
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# for name, exitcode in buttons:
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# b = urwid.Button( name, self.button_press )
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# b.exitcode = exitcode
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# b = urwid.AttrWrap( b, 'button normal','button select' )
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# l.append( b )
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# self.buttons = urwid.GridFlow(l, 10, 3, 1, 'center')
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# self.frame.footer = urwid.Pile( [ urwid.Divider(u'\u2500'),
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# self.buttons ], focus_item = 1)
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#
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# def button_press(self, button):
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# if self.parent is None:
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# # We are the main window,
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# # so raise an exception to
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# # quit the main loop
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# raise MainDialogExit(button.exitcode)
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# else:
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# # We are a child window,
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# # so restore the parent widget
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# # then raise a ChildDialogExit exception
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# self.loop.widget=self.parent
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# raise ChildDialogExit(button.exitcode)
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#
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# def show(self):
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# if self.loop is None:
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# self.loop = urwid.MainLoop(self.view, self.palette)
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# exited = False
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# while not exited:
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# try:
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# self.loop.run()
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# except ChildDialogExit as e:
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# # Determine which dialog has exited
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# # and act accordingly
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# pass
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# except MainDialogExit:
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# exited = True
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# else:
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# self.loop.widget = self.view
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#
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