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annotate light8/ExtSliderMapper.py @ 96:d1a1ded20ec7

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a hack to fix bg color problems
author dmcc
date Sat, 13 Jul 2002 03:33:48 +0000
parents 29a8b23d8db5
children 57319ec2bfad
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1 """some more of the panels"""
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2 from Tix import *
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3
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4 class SliderMapping:
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5 def __init__(self, default='disconnected', synced=0, extinputlevel=0,
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6 sublevel=0):
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7 self.subname = StringVar() # name of submaster we're connected to
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8 self.subname.set(default)
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9 self.sublevel = DoubleVar() # scalelevel variable of that submaster
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10 self.sublevel.set(sublevel)
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11 self.synced = BooleanVar() # currently synced
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12 self.synced.set(synced)
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13 self.extlevel = DoubleVar() # external slider's input
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14 self.extlevel.set(extinputlevel)
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15 self.widgets = [] # list of widgets drawn
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16 self.sublabel = None # the label which represents a sub level.
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17 # we hold on to it so we can change its
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18 # textvariable
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19 self.statuslabel = None # tells us sync status
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20 self.lastbgcolor = None # last background color drawn to avoid
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21 # unnecessary redraws
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22 def sync(self, *args):
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23 self.synced.set(1)
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24 self.color_bg()
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25 def unsync(self, *args):
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26 self.synced.set(0)
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27 self.color_bg()
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28 def issynced(self):
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29 return self.synced.get()
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30 def disconnect(self, *args):
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31 self.set_subname('disconnected') # a bit hack-like
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32 self.sublabel.configure(text="N/A")
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33 self.color_bg()
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34 def isdisconnected(self):
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35 return self.subname.get() == 'disconnected' # a bit more hack-like
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36 def check_synced(self, *args):
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37 'If external level is near than the sublevel, it synces'
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38 if self.isdisconnected():
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39 self.unsync()
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40 return
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41
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42 if abs(self.extlevel.get() - self.sublevel.get()) <= 0.02:
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43 self.sync()
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44 def changed_extinput(self, newlevel):
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45 'When a new external level is received, this incorporates it'
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46 self.extlevel.set(newlevel)
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47 self.check_synced()
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48 self.color_bg()
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49 def set_subname(self, newname):
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50 self.subname.set(newname)
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51 self.unsync()
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52 self.color_bg()
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53 def color_bg(self):
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54 if self.widgets:
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55 if self.isdisconnected():
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56 color = 'honeyDew4'
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57 # elif self.issynced():
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58 # stupid hack
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59 elif abs(self.extlevel.get() - self.sublevel.get()) <= 0.02:
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60 color = 'honeyDew2'
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61 else: # unsynced
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62 color = 'red'
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63
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64 if self.statuslabel:
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65 if color == 'honeyDew2': # connected
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66 self.statuslabel['text'] = 'Sync'
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67 else:
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68 self.statuslabel['text'] = 'No sync'
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69
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70 # print "color", color, "lastbgcolor", self.lastbgcolor
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71 if self.lastbgcolor == color: return
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72 for widget in self.widgets:
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73 widget.configure(bg=color)
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74 self.lastbgcolor = color
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75 def set_sublevel_var(self, newvar):
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76 'newvar is one of the variables in scalelevels'
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77 self.sublevel = newvar
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78 self.sublevel.trace('w', self.unsync)
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79 if self.sublabel:
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80 self.sublabel.configure(textvariable=newvar)
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81 self.check_synced()
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82 def get_mapping(self):
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83 'Get name of submaster currently mapped'
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84 return self.subname.get()
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85 def get_level_pair(self):
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86 'Returns suitable output for ExtSliderMapper.get_levels()'
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87 return (self.subname.get(), self.extlevel.get())
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88 def draw_interface(self, master, subnames):
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89 'Draw interface into master, given a list of submaster names'
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90 frame = Frame(master)
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91 c = ComboBox(frame, variable=self.subname)
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92 c.slistbox.listbox.insert(END, "disconnected")
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93 for s in subnames:
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94 c.slistbox.listbox.insert(END, s)
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95 c.entry.configure(width=12)
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96 statframe = Frame(frame)
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97
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98 '''
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99 cb = Checkbutton(statframe, variable=self.synced,
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100 text="Synced")
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101 cb.grid(columnspan=2, sticky=W)
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102 '''
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103 self.statuslabel = Label(statframe, text="No sync")
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104 self.statuslabel.grid(columnspan=2, sticky=W)
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105 ilabel = Label(statframe, text="Input", fg='blue')
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106 ilabel.grid(row=1, sticky=W)
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107 extlabel = Label(statframe, textvariable=self.extlevel, width=5)
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108 extlabel.grid(row=1, column=1)
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109 rlabel = Label(statframe, text="Real")
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110 rlabel.grid(row=2, sticky=W)
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111 self.sublabel = Label(statframe, text="N/A", width=5)
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112 self.sublabel.grid(row=2, column=1)
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113 statframe.pack(side=BOTTOM, expand=1, fill=X)
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114 c.pack()
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115 frame.pack(side=LEFT, expand=1, fill=BOTH)
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116
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117 self.widgets = [frame, c, statframe, self.statuslabel, ilabel, extlabel,
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118 rlabel, self.sublabel]
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119
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120 class ExtSliderMapper(Frame):
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121 def __init__(self, parent, sliderlevels, sliderinput, filename='slidermapping',
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122 numsliders=4):
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123 'Slider levels is scalelevels, sliderinput is an ExternalInput object'
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124 Frame.__init__(self, parent)
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125 self.parent = parent
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126 self.sliderlevels = sliderlevels
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127 self.sliderinput = sliderinput
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128 self.filename = filename
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129 self.numsliders = numsliders
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130 self.file = None
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131
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132 # don't call setup, let them do that when scalelevels is created
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133 def setup(self):
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134 self.subnames = self.sliderlevels.keys()
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135 self.subnames.sort()
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136 self.presets = {}
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137 self.load_presets()
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138
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139 self.current_preset = StringVar() # name of current preset
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140 self.current_mappings = []
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141 for i in range(self.numsliders):
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142 self.current_mappings.append(SliderMapping())
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143
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144 self.draw_interface()
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145 def load_presets(self):
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146 self.file = open(self.filename, 'r')
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147 lines = self.file.readlines()
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148 for l in lines:
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149 tokens = l[:-1].split('\t')
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150 name = tokens.pop(0)
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151 self.presets[name] = tokens
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152 self.file.close()
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153 def save_presets(self):
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154 self.file = open(self.filename, 'w')
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155 self.file.seek(0)
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156 preset_names = self.presets.keys()
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157 preset_names.sort()
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158 for p in preset_names:
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159 s = '\t'.join([p] + self.presets[p]) + '\n'
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160 self.file.write(s)
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161 self.file.close()
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162 def load_scalelevels(self):
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163 for slidermap in self.current_mappings:
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164 try:
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165 v = self.sliderlevels[slidermap.get_mapping()]
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166 slidermap.set_sublevel_var(v)
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167 except KeyError:
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168 pass
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169
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170 def get_levels(self):
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171 'Called by changelevels, returns a dict of new values for submasters'
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172 if not self.sliderinput: return {}
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173
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174 self.load_scalelevels() # freshen our input from the physical sliders
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175
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176 rawlevels = self.sliderinput.get_levels()
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177 for rawlev, slidermap in zip(rawlevels, self.current_mappings):
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178 slidermap.changed_extinput(rawlev)
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179
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180 '''
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181 outputlevels = {}
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182 for m in self.current_mappings:
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183 if m.issynced():
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184 k, v = m.get_level_pair()
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185 outputlevels[k] = v
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186 m.ignorenextunync()
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187 return outputlevels
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188 '''
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189 return dict([m.get_level_pair()
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190 for m in self.current_mappings
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191 if m.issynced()])
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192 def draw_interface(self):
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193 self.reallevellabels = []
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194 subchoiceframe = Frame(self)
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195 for m in self.current_mappings:
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196 m.draw_interface(subchoiceframe, self.subnames)
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197 subchoiceframe.pack()
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198
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199 presetframe = Frame(self)
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200 Label(presetframe, text="Preset:").pack(side=LEFT)
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201 self.presetcombo = ComboBox(presetframe, variable=self.current_preset,
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202 editable=1, command=self.apply_preset)
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203 self.draw_presets()
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204 self.presetcombo.pack(side=LEFT)
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205 Button(presetframe, text="Add", padx=0, pady=0,
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206 command=self.add_preset).pack(side=LEFT)
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207 Button(presetframe, text="Delete", padx=0, pady=0,
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208 command=self.delete_preset).pack(side=LEFT)
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209 Button(presetframe, text="Disconnect", padx=0, pady=0,
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210 command=self.disconnect_all).pack(side=LEFT)
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211 presetframe.pack(side=BOTTOM)
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212 def apply_preset(self, preset):
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213 if not preset: return
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214 preset_mapping = self.presets.get(preset)
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215 if not preset_mapping: return
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216 for subname, slidermap in zip(preset_mapping, self.current_mappings):
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217 slidermap.set_subname(subname)
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218 def delete_preset(self, *args):
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219 del self.presets[self.current_preset.get()]
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220 self.presetcombo.slistbox.listbox.delete(0, END)
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221 self.draw_presets()
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222 self.save_presets()
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223 def add_preset(self, *args):
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224 self.presets[self.current_preset.get()] = [m.get_mapping()
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225 for m in self.current_mappings]
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226 self.presetcombo.slistbox.listbox.delete(0, END)
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227 self.draw_presets()
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228 self.save_presets()
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229 def draw_presets(self):
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230 preset_names = self.presets.keys()
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231 preset_names.sort()
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232 for p in preset_names:
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233 self.presetcombo.slistbox.listbox.insert(END, p)
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234 def disconnect_all(self):
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235 for m in self.current_mappings:
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236 m.disconnect()