Modal dialog nesting demonstration
#Pmw copyright
#Copyright 1997-1999 Telstra Corporation Limited, Australia
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia
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#of this software and associated documentation files (the "Software"), to deal
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#copies of the Software, and to permit persons to whom the Software is furnished
#to do so, subject to the following conditions:
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#INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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#HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
#OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
title = 'Modal dialog nesting demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create button to launch the dialog.
w = Tkinter.Button(parent, text = 'Show first dialog',
command = self.showFirstDialog)
w.pack(padx = 8, pady = 8)
self.timerId = None
self.dialog1 = Pmw.MessageDialog(parent,
message_text = 'This is the first modal dialog.\n' +
'You can see how dialogs nest by\n' +
'clicking on the "Next" button.',
title = 'Dialog 1',
buttons = ('Next', 'Cancel'),
defaultbutton = 'Next',
command = self.next_dialog)
self.dialog1.withdraw()
self.dialog2 = Pmw.Dialog(self.dialog1.interior(),
title = 'Dialog 2',
buttons = ('Cancel',),
deactivatecommand = self.cancelTimer,
defaultbutton = 'Cancel')
self.dialog2.withdraw()
w = Tkinter.Label(self.dialog2.interior(),
text = 'This is the second modal dialog.\n' +
'It will automatically disappear shortly')
w.pack(padx = 10, pady = 10)
def showFirstDialog(self):
self.dialog1.activate()
def cancelTimer(self):
if self.timerId is not None:
self.dialog2.after_cancel(self.timerId)
self.timerId = None
def deactivateSecond(self):
self.timerId = None
self.dialog2.deactivate()
def next_dialog(self, result):
if result != 'Next':
self.dialog1.deactivate()
return
self.timerId = self.dialog2.after(3000, self.deactivateSecond)
self.dialog2.activate()
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root)
root.title(title)
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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