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helloworld_app.py
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helloworld_app.py
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"""
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
""" Here is an "Hello World" application showing a simple interaction
with the user.
"""
import remi.gui as gui
from remi import start, App
class MyApp(App):
def __init__(self, *args):
super(MyApp, self).__init__(*args)
def main(self):
#creating a container VBox type, vertical
wid = gui.VBox(width=300, height=200)
#creating a text label, "white-space":"pre" preserves newline
self.lbl = gui.Label('Hello\n test', width='80%', height='50%', style={"white-space":"pre"})
#a button for simple interaction
bt = gui.Button('Press me!', width=200, height=30)
#setting up the listener for the click event
bt.onclick.do(self.on_button_pressed)
#adding the widgets to the main container
wid.append(self.lbl)
wid.append(bt)
# returning the root widget
return wid
# listener function
def on_button_pressed(self, emitter):
self.lbl.set_text('Hello World!')
if __name__ == "__main__":
# starts the webserver
# optional parameters
# start(MyApp,address='127.0.0.1', port=8081, multiple_instance=False,enable_file_cache=True, update_interval=0.1, start_browser=True)
start(MyApp, debug=True, address='0.0.0.0', port=0)