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1714519 - object oriented library
added new example application, on the way to the object oriented library. the idea is to develop this program within one single source, but clearly separating the general from the specific. so in this source I will have a general 'Application' class which will contain no specific 'radio' code. the radio code will make use of the general application class. the program is not yet functional.
This commit is contained in:
mfrasca
178
examples/pywmradio.py
Executable file
178
examples/pywmradio.py
Executable file
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#!/usr/bin/env python
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"""pywmnop.py
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WindowMaker dockapp doing nothing
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Copyright (C) 2006 Mario Frasca
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Licensed under the GNU General Public License.
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"""
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import sys, time
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import wmdocklib
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debug = 0
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class Application:
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def __init__(self, *args, **kwargs):
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"""initializes the object
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_events is a list of tuples (type, key, area, callback)
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'type' <- ['buttonpress', 'buttonrelease', 'keypress'],
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'callback': the function to which the event should be passed.
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'key': the utf-8 character or the mouse button number,
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'area': if the pointer is here, the event is considered,
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"""
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self._events = []
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wmdocklib.initPixmap(*args, **kwargs)
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wmdocklib.openXwindow(sys.argv, 64, 64)
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pass
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def addHandler(self, callback, type=None, key=None, area=None ):
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if area is not None and len(area) is not 4:
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area = None
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self._events.append( (type, key, area, callback,) )
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pass
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def run(self):
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while 1:
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event = wmdocklib.getEvent()
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while not event is None:
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if event['type'] == 'destroynotify':
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sys.exit(0)
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for evtype, key, area, callback in self._events:
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if evtype is not None and evtype != event['type']: continue
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if key is not None and key != event['key']: continue
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if area is not None:
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if not area[0] <= event['x'] <= area[2]: continue
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if not area[1] <= event['y'] <= area[3]: continue
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callback(event)
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event = wmdocklib.getEvent()
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wmdocklib.redraw()
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time.sleep(0.5)
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pass
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def printevent(event):
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print event
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def previousRadio(event):
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print 'previousRadio', event
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def nextRadio(event):
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print 'nextRadio', event
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def quitProgram(event):
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print 'quitProgram', event
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sys.exit(0)
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def playStream(event):
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print 'playStream', event
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def stopStream(event):
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print 'stopStream', event
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palette = {
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'-': "#000000",
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".": "#868682",
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"X": "#AEAEAA",
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"o": "#F7F7F3",
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}
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patterns = [
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" X-------------------------------------------X ",
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" XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ",
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" ",
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" ",
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" ",
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" ",
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" XXXXXXXX. XXXXXXXX. XXXXXXXX. ",
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" X-------- X-------- X-------- ",
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" X-------- X-------- X-------- ",
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" X--o--o-- X--o--o-- X-o.-.o-- ",
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" X--o-oo-- X--oo-o-- X-.o.o.-- ",
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" X--oooo-- X--oooo-- X--.o. -- ",
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" X--o-oo-- X--oo-o-- X-.o.o.-- ",
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" X--o--o-- X--o--o-- X-o.-.o-- ",
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" X-------- X-------- X-------- ",
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" X-------- X-------- X-------- ",
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" .-------- .-------- .-------- ",
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" ",
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" ",
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" ",
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" XXXXXXXX. XXXXXXXX. XXXXXXXX. ",
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" X-------- X-------- X-------- ",
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" X-------- X-------- X-------- ",
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" X--o----- X-oo-oo-- X-ooooo-- ",
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" X--oo---- X-oo-oo-- X-ooooo-- ",
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" X--ooo--- X-oo-oo-- X-ooooo-- ",
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" X--oo---- X-oo-oo-- X-ooooo-- ",
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" X--o----- X-oo-oo-- X-ooooo-- ",
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" X-------- X-------- X-------- ",
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" X-------- X-------- X-------- ",
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" .-------- .-------- .-------- ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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]
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def main():
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global char_width, char_height, maxCharsPerLine, antialiased
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app = Application(font_name='5x8',
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margin = 3,
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bg=0, fg=2, palette=palette,
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background=patterns,
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debug=debug)
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# maxCharsPerLine = (width-2*xOffset) / char width
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app.addHandler(previousRadio, 'buttonrelease', area=(14,29,23,38))
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app.addHandler(nextRadio, 'buttonrelease', area=(26,29,35,38))
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app.addHandler(quitProgram, 'buttonrelease', area=(38,29,47,38))
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app.addHandler(playStream, 'buttonrelease', area=(14,43,23,52))
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app.addHandler(stopStream, 'buttonrelease', area=(26,43,35,52))
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app.addHandler(stopStream, 'buttonrelease', area=(38,43,47,52))
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app.run()
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if __name__ == '__main__':
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main()
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