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1 # |
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2 # keyviewer.py |
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3 # |
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4 # Copyright (c) 2005 Nokia Corporation |
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5 # |
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6 # Licensed under the Apache License, Version 2.0 (the "License"); |
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7 # you may not use this file except in compliance with the License. |
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8 # You may obtain a copy of the License at |
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9 # |
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10 # http://www.apache.org/licenses/LICENSE-2.0 |
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11 # |
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12 # Unless required by applicable law or agreed to in writing, software |
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13 # distributed under the License is distributed on an "AS IS" BASIS, |
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14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 # See the License for the specific language governing permissions and |
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16 # limitations under the License. |
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17 # |
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18 |
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19 import appuifw |
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20 import graphics |
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21 import e32 |
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22 |
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23 keyboard_state={} |
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24 last_keycode=0 |
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25 |
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26 def draw_state(): |
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27 canvas.clear() |
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28 canvas.text((0,12),u'Scancodes of pressed keys:',0x008000) |
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29 canvas.text((0,24),u' '.join([unicode(k) for k in keyboard_state if keyboard_state[k]])) |
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30 canvas.text((0,36),u' '.join([unicode(hex(k)) for k in keyboard_state if keyboard_state[k]])) |
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31 canvas.text((0,48),u'Last received keycode:', 0x008000) |
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32 canvas.text((0,60),u'%s (0x%x)'%(last_keycode,last_keycode)) |
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33 |
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34 def callback(event): |
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35 global last_keycode |
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36 if event['type'] == appuifw.EEventKeyDown: |
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37 keyboard_state[event['scancode']]=1 |
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38 elif event['type'] == appuifw.EEventKeyUp: |
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39 keyboard_state[event['scancode']]=0 |
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40 elif event['type'] == appuifw.EEventKey: |
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41 last_keycode=event['keycode'] |
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42 draw_state() |
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43 |
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44 canvas=appuifw.Canvas(event_callback=callback, |
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45 redraw_callback=lambda rect:draw_state()) |
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46 appuifw.app.body=canvas |
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47 |
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48 lock=e32.Ao_lock() |
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49 appuifw.app.exit_key_handler=lock.signal |
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50 lock.wait() |