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#!/usr/bin/python
# .+
#
# .identifier : $Id:$
# .context : Application View Controller
# .title : A table of all supported widget/control type conbinations (Qt3)
# .kind : python source
# .author : Fabrizio Pollastri
# .site : Revello - Italy
# .creation : 25-Nov-2006
# .copyright : (c) 2006 Fabrizio Pollastri.
# .license : GNU General Public License (see below)
#
# This file is part of "AVC, Application View Controller".
#
# AVC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# AVC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# .-
from qt import * # Qt interface
from qtui import * # ui files realizer
import sys # system support
from avc import * # AVC
UI_FILE = 'qt3_showcase.ui' # qt ui descriptor
INCREMENTER_PERIOD = 333 # ms
class Example(QApplication,AVC):
"""
A table of all supported widget/control type combinations
"""
def __init__(self):
# create GUI
QApplication.__init__(self,sys.argv)
self.root = QWidgetFactory.create(UI_FILE)
self.setMainWidget(self.root)
self.root.show()
# the control variables
self.boolean1 = False
self.boolean2 = False
self.radio = 0
self.integer = 0
self.progressbar = -1.0
self.float = 0.0
self.string = ''
self.textview = ''
# start variables incrementer
self.increment = self.incrementer()
self.timer = QTimer(self)
self.connect(self.timer,SIGNAL("timeout()"),self.timer_function)
self.timer.start(INCREMENTER_PERIOD)
def timer_function(self):
self.increment.next()
def incrementer(self):
"""
Booleans are toggled, radio button index is rotated from first to last,
integer is incremented by 1, float by 0.5, progress bar is alternatively
shuttled or incremented from 0 to 100%, string is appended a char
until maxlen when string is cleared, text view/edit is appended a line
of text until maxlen when it is cleared.
Return True to keep timer alive.
"""
while True:
self.boolean1 = not self.boolean1
yield True
self.boolean2 = not self.boolean2
yield True
if self.radio == 2:
self.radio = 0
else:
self.radio += 1
yield True
self.integer += 1
yield True
self.float += 0.5
yield True
if self.progressbar >= 0.9999:
self.progressbar = -1.0
else:
self.progressbar += 0.1
yield True
if len(self.string) >= 10:
self.string = 'A'
else:
self.string += 'A'
yield True
if len(self.textview) >= 200:
self.textview = ''
else:
self.textview += 'line of text, line of text, line of text\n'
yield True
#### MAIN
example = Example() # instantiate the application
example.avc_init() # connect widgets with variables
example.exec_loop() # run Qt event loop until quit
#### END
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