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title = 'Pmw.HistoryText demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create and pack the PanedWidget to hold the query and result
# windows.
# !! panedwidget should automatically size to requested size
panedWidget = Pmw.PanedWidget(parent,
orient = 'vertical',
hull_height = 400,
hull_width = 450)
panedWidget.add('query', min = 0.05, size = 0.2)
panedWidget.add('buttons', min = 0.1, max = 0.1)
panedWidget.add('results', min = 0.05)
panedWidget.pack(fill = 'both', expand = 1)
# Create and pack the HistoryText.
self.historyText = Pmw.HistoryText(panedWidget.pane('query'),
text_wrap = 'none',
text_width = 60,
text_height = 10,
statechangecmd = self.statechange,
)
self.historyText.pack(fill = 'both', expand = 1)
self.historyText.statechangecmd = self.statechange
self.historyText.component('text').focus()
buttonList = (
['Prev', self.historyText.prev],
['Next', self.historyText.next],
['Search', Pmw.busycallback(self.search)],
['Clear', self.clear],
['Undo', self.historyText.undo],
['Redo', self.historyText.redo],
)
self.buttonDict = {}
for text, cmd in buttonList:
button = Tkinter.Button(panedWidget.pane('buttons'),
text = text, command = cmd)
button.pack(side = 'left')
self.buttonDict[text] = button
for text in ('Prev', 'Next'):
self.buttonDict[text].configure(state = 'disabled')
self.results = Pmw.ScrolledText(panedWidget.pane('results'), text_wrap = 'none')
self.results.pack(fill = 'both', expand = 1)
def statechange(self, prevstate, nextstate):
self.buttonDict['Prev'].configure(state = prevstate)
self.buttonDict['Next'].configure(state = nextstate)
def clear(self):
self.historyText.delete('1.0', 'end')
def addnewlines(self, text):
if len(text) == 1:
text = text + '\n'
if text[-1] != '\n':
text = text + '\n'
if text[-2] != '\n':
text = text + '\n'
return text
def search(self):
sql = self.historyText.get()
self.results.insert('end', self.addnewlines(sql))
self.results.see('end')
self.results.update_idletasks()
self.historyText.addhistory()
deleteSemiColon = '[\n;]+$'
results = 'foo'
if len(results) > 0:
self.results.insert('end', self.addnewlines(results))
self.results.see('end')
######################################################################
# 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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