Source Code for Module libavg.AVGAppStarterHelp

  1  #!/usr/bin/env python 
  2  # -*- coding: utf-8 -*- 
  3   
  4  # libavg - Media Playback Engine. 
  5  # Copyright (C) 2003-2008 Ulrich von Zadow 
  6  # 
  7  # This library is free software; you can redistribute it and/or 
  8  # modify it under the terms of the GNU Lesser General Public 
  9  # License as published by the Free Software Foundation; either 
 10  # version 2 of the License, or (at your option) any later version. 
 11  # 
 12  # This library is distributed in the hope that it will be useful, 
 13  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
 14  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
 15  # Lesser General Public License for more details. 
 16  # 
 17  # You should have received a copy of the GNU Lesser General Public 
 18  # License along with this library; if not, write to the Free Software 
 19  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 20  # 
 21  # Current versions can be found at www.libavg.de 
 22  # 
 23  # Original author of this file is Sebastian Maulbeck  
 24  # <sm (at) archimedes-solutions (dot) de> 
 25   
 26  """ 
 27  this class is for displaying all active keys.  
 28   
 29          '?'     -->      on/off.  
 30  """ 
 31   
 32  from libavg import avg 
 33   
 34  g_player = avg.Player.get() 
 35   
 36 -class MThelp(): 
 37   
 38 -    def __init__(self, appStarter): 
 39          self.__appstarter = appStarter 
 40          self.__stackOfBackups = []       
 41          self.__stackKeyDown = [] 
 42          self.__stackKeyUp = [] 
 43          self.__stackUnicodeDown = [] 
 44          self.__stackUnicodeUp = [] 
 45           
 46          self.__rectNode = g_player.createNode(""" 
 47              <div id="RectNode" opacity="0" sensitive="False" x="5" y="10" size="(450,450)">  
 48                  <rect id="rectWhite" strokewidth="0" fillopacity="0.1"  
 49                          fillcolor="FFFFFF" pos="(5,5)" size="(450,450)"/> 
 50                  <rect id="rectBlack" strokewidth="0" fillopacity="0.6"  
 51                          fillcolor="000000" pos="(6,6)" size="(451,451)"/> 
 52              </div> 
 53          """) 
 54          self.__keysNode = g_player.createNode(""" 
 55                      <words x="10" y="10" fontsize="18" opacity="1"  
 56                              color="DDDDDD" text=""/> 
 57              """) 
 58          rootNode = g_player.getRootNode() 
 59          rootNode.appendChild(self.__rectNode) 
 60          self.__rectNode.appendChild(self.__keysNode) 
 61          
 62 -    def showHelp(self): 
 63          show = self.__appstarter.showingHelp 
 64           
 65          self.__keyBindDown = self.__appstarter.getKeys('key', 'down') 
 66          self.__keyBindUp = self.__appstarter.getKeys('key', 'up') 
 67          self.__keycodeBindDown = self.__appstarter.getKeys('unicode', 'down') 
 68          self.__keycodeBindUp = self.__appstarter.getKeys('unicode', 'up') 
 69           
 70           
 71          TextHelp = ''    
 72          if show == True: 
 73              TextHelp = TextHelp + "<span><b>   ACTIVE KEYS </b><br/></span>" 
 74              for key in sorted(self.__keyBindDown.iterkeys()): 
 75                  funcName = self.__keyBindDown[key][1] 
 76                  TextHelp = TextHelp + \ 
 77                      "<span><b>%s</b>     <small>%s</small><br/></span>"% (key, funcName) 
 78               
 79              for key in sorted(self.__keycodeBindDown.iterkeys()): 
 80                  funcName = self.__keycodeBindDown[key][1] 
 81                  TextHelp = TextHelp + \ 
 82                      "<span><b>%s</b>     <small>%s</small><br/></span>"% (key, funcName) 
 83               
 84              self.__keysNode.text = TextHelp 
 85              self.__rectNode.opacity = 1 
 86              g_player.getElementByID('rectWhite').size = self.__keysNode.getMediaSize() 
 87              g_player.getElementByID('rectBlack').size = self.__keysNode.getMediaSize() 
 88               
 89              self.__rectNode.getParent().reorderChild( 
 90                      self.__rectNode.getParent().indexOf(self.__rectNode),  
 91                      self.__rectNode.getParent().getNumChildren()-1)  
 92               
 93          elif show == False: 
 94              self.__keysNode.text = '' 
 95              self.__rectNode.opacity = 0 
 96               
 97 -    def backupKeys(self): 
 98          # backup keybindings if you change active app. 
 99          # keys will be stored in a dict. keybindings from new function can be loaded 
100          # and conflicts by double keybindings are reduced to only the active app. 
101           
102          self.__appstarter.showingHelp = False 
103          self.showHelp() 
104           
105          self.__stackKeyDown.append(self.__appstarter.getKeys('key', 'down')) 
106          self.__stackKeyUp.append(self.__appstarter.getKeys('key', 'up')) 
107          self.__stackUnicodeDown.append(self.__appstarter.getKeys('unicode','down')) 
108          self.__stackUnicodeUp.append(self.__appstarter.getKeys('unicode','up')) 
109           
110          self.__appstarter.setKeys({}, 'key', 'down') 
111          self.__appstarter.setKeys({}, 'key', 'up') 
112          self.__appstarter.setKeys({}, 'unicode', 'down') 
113          self.__appstarter.setKeys({}, 'unicode', 'up') 
114          self.__appstarter.bindUnicode('?', self.__appstarter.activateHelp, 'HELP') 
115           
116 -    def restoreKeys(self): 
117          # restore keybindings if last active app will be active again. 
118          # stored keys will be restored in the keybindings. 
119           
120          self.__appstarter.showingHelp = False 
121          self.showHelp()   
122           
123          self.__appstarter.setKeys(self.__stackKeyDown.pop(), 'key', 'down') 
124          self.__appstarter.setKeys(self.__stackKeyUp.pop(), 'key', 'up') 
125          self.__appstarter.setKeys(self.__stackUnicodeDown.pop(), 'unicode', 'down') 
126          self.__appstarter.setKeys(self.__stackUnicodeUp.pop(), 'unicode', 'up') 
127