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title = 'Pmw.Balloon demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create the Balloon.
self.balloon = Pmw.Balloon(parent)
# Create some widgets and megawidgets with balloon help.
frame = Tkinter.Frame(parent)
frame.pack(padx = 10, pady = 5)
field = Pmw.EntryField(frame,
labelpos = 'nw',
label_text = 'Command:')
field.setentry('mycommand -name foo')
field.pack(side = 'left', padx = 10)
self.balloon.bind(field, 'Command to\nstart/stop',
'Enter the shell command to control')
start = Tkinter.Button(frame, text='Start')
start.pack(side='left', padx = 10)
self.balloon.bind(start, 'Start the command')
stop = Tkinter.Button(frame, text='Stop')
stop.pack(side='left', padx = 10)
self.balloon.bind(stop, 'Stop the command')
scrolledCanvas = Pmw.ScrolledCanvas(parent,
canvas_width = 200,
canvas_height = 115,
)
scrolledCanvas.pack()
canvas = scrolledCanvas.component('canvas')
# Create some canvas items and individual help.
item = canvas.create_arc(5, 5, 35, 35, fill = 'red', extent = 315)
self.balloon.tagbind(canvas, item, 'This is help for\nan arc item')
item = canvas.create_bitmap(20, 150, bitmap = 'question')
self.balloon.tagbind(canvas, item, 'This is help for\na bitmap')
item = canvas.create_line(50, 60, 70, 80, 85, 20, width = 5)
self.balloon.tagbind(canvas, item, 'This is help for\na line item')
item = canvas.create_text(80, 90, text = 'Canvas items with balloons')
self.balloon.tagbind(canvas, item, 'This is help for\na text item')
# Create two canvas items which have the same tag and which use
# the same help.
item = canvas.create_rectangle(100, 10, 170, 50, fill = 'aliceblue',
tags = 'TAG1')
item = canvas.create_oval(110, 30, 160, 80, fill = 'blue',
tags = 'TAG1')
self.balloon.tagbind(canvas, 'TAG1',
'This is help for the two blue items' + '\n' * 10 +
'It is very, very big.',
'This is help for the two blue items')
scrolledCanvas.resizescrollregion()
scrolledText = Pmw.ScrolledText(parent,
text_width = 32,
text_height = 4,
text_wrap = 'none',
)
scrolledText.pack(pady = 5)
text = scrolledText.component('text')
text.insert('end',
'This is a text widget with ', '',
' balloon', 'TAG1',
'\nhelp. Find the ', '',
' text ', 'TAG1',
' tagged with', '',
' help.', 'TAG2',
'\n\nAnother line.\nAnd another', '',
)
text.tag_configure('TAG1', borderwidth = 2, relief = 'raised')
self.balloon.tagbind(text, 'TAG1',
'There is one secret\nballoon help.\nCan you find it?')
self.balloon.tagbind(text, 'TAG2',
'Well done!\nYou found it!')
frame = Tkinter.Frame(parent)
frame.pack(padx = 10)
self.toggleBalloonVar = Tkinter.IntVar()
self.toggleBalloonVar.set(1)
toggle = Tkinter.Checkbutton(frame,
variable = self.toggleBalloonVar,
text = 'Balloon help', command = self.toggle)
toggle.pack(side = 'left', padx = 10)
self.balloon.bind(toggle, 'Toggle balloon help\non and off')
self.toggleStatusVar = Tkinter.IntVar()
self.toggleStatusVar.set(1)
toggle = Tkinter.Checkbutton(frame,
variable = self.toggleStatusVar,
text = 'Status help', command = self.toggle)
toggle.pack(side = 'left', padx = 10)
self.balloon.bind(toggle,
'Toggle status help on and off, on and off' + '\n' * 10 +
'It is very, very big, too.',
'Toggle status help on and off')
# Create and pack the MessageBar.
messageBar = Pmw.MessageBar(parent,
entry_width = 40,
entry_relief='groove',
labelpos = 'w',
label_text = 'Status:')
messageBar.pack(fill = 'x', expand = 1, padx = 10, pady = 5)
# Configure the balloon to display its status messages in the
# message bar.
self.balloon.configure(statuscommand = messageBar.helpmessage)
def toggle(self):
if self.toggleBalloonVar.get():
if self.toggleStatusVar.get():
self.balloon.configure(state = 'both')
else:
self.balloon.configure(state = 'balloon')
else:
if self.toggleStatusVar.get():
self.balloon.configure(state = 'status')
else:
self.balloon.configure(state = 'none')
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root, fontScheme = 'pmw1')
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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