1 # Simple GUI example

     2 

     3 # Copyright (c) 2005 Nokia Corporation

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #     http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 

    17 

    18 import socket

    19 import urllib

    20 

    21 import e32

    22 import appuifw

    23 

    24 # List of triplets "Name", "URL", "extension"

    25 choices=[(u"US Graphical Forecast", "http://weather.gov/forecasts/graphical/images/thumbnail/Thumbnail_Wx4_conus.png", "png"),

    26          (u"US Radar Image", "http://weather.gov/mdl/radar/rcm1pix_b.gif", "gif"),

    27          (u"US Satellite Image", "http://weather.gov/satellite_images/national.jpg", "jpg") ]

    28 tempfile_without_extension = "c:\\weather"

    29 

    30 old_title = appuifw.app.title

    31 appuifw.app.title = u"Weather forecast"

    32 

    33 L = [ x[0] for x in choices ]

    34 index = appuifw.popup_menu(L, u"Select picture")

    35 

    36 if index is not None:

    37     url = choices[index][1]

    38     ext = choices[index][2]

    39     tempfile = tempfile_without_extension + "." + ext

    40 

    41     try:

    42         print "Retrieving information..."

    43         urllib.urlretrieve(url, tempfile)

    44         lock=e32.Ao_lock()

    45         content_handler = appuifw.Content_handler(lock.signal)

    46         content_handler.open(tempfile)

    47         # Wait for the user to exit the image viewer.

    48         lock.wait()

    49         print "Image viewer finished."

    50     except IOError:

    51         print "Could not fetch the image."

    52     except:

    53         print "Could not open data received."

    54 

    55 appuifw.app.title = old_title

    56