Mercurial > code > home > repos > light9
annotate light8/Fader.py @ 53:032b2b67bc10
result of July 7th on-site editing
| author | dmcc |
|---|---|
| date | Mon, 08 Jul 2002 14:31:20 +0000 |
| parents | 065896b0913c |
| children | 3011c1028eb7 |
| rev | line source |
|---|---|
| 0 | 1 from Tix import * |
| 52 | 2 from time import time # time is on my side |
| 3 from util import subsetdict | |
| 53 | 4 from FlyingFader import FlyingFader |
| 52 | 5 |
| 6 # statuses are: | |
| 53 | 7 # stopped - no cue is loaded or cue is stopped |
| 52 | 8 # running - cue is running, not complete |
| 9 # finished - cue is finished, next is loaded | |
| 0 | 10 |
| 11 stdfont = ('Arial', 10) | |
| 12 | |
| 13 class Fader(Frame): | |
| 14 'User interface for cue fader' | |
| 15 def __init__(self, master, cues, scalelevels): | |
| 16 self.master = master | |
| 17 self.cues = cues | |
| 18 self.scalelevels = scalelevels | |
| 53 | 19 self.time_start = 0 |
| 0 | 20 self.init_layout() |
| 53 | 21 self.stop() |
| 0 | 22 def init_layout(self): |
| 23 Frame.__init__(self, self.master) | |
| 24 | |
| 52 | 25 # info variables |
| 0 | 26 self.cuename = StringVar() |
| 27 self.cuelength = DoubleVar() | |
| 52 | 28 self.cuetarget = StringVar() |
| 29 | |
| 30 # info about a running cue | |
| 31 self.cuestatus = StringVar() # text description | |
| 32 self.cuestatus.set("stopped") | |
| 33 | |
| 34 self.cuepercent = DoubleVar() # percent complete | |
| 35 self.cuepercent.set(0) | |
| 53 | 36 self.cuepercent.trace('w', self.update_percent) |
| 37 self.cuetimeelapse = StringVar() # time elapsed | |
| 38 self.cuetimeelapse.set('0s') | |
| 39 self.cuetimeleft = StringVar() # time left | |
| 40 self.cuetimeleft.set('0s') | |
| 0 | 41 |
| 42 buttonframe = Frame(self) | |
| 43 | |
| 53 | 44 self.listbox = ScrolledListBox(buttonframe, |
| 45 command=self.update_selection) | |
| 46 self.listbox.listbox.configure({'exportselection' : 0, | |
| 47 'selectmode' : EXTENDED}) | |
| 0 | 48 for c in self.cues: |
| 49 self.listbox.listbox.insert(END, c.name) | |
|
51
71489bb71528
- Meet Fader. He is going to grow up and be a crossfader some day
dmcc
parents:
0
diff
changeset
|
50 self.listbox.pack(side=TOP) |
| 53 | 51 self.listbox.listbox.bind("<<ListboxSelect>>", self.update_selection, |
| 52 add=1) | |
| 53 Button(buttonframe, text="Go", command=self.go, font=stdfont, | |
| 54 bg='green').pack(side=LEFT) | |
| 55 Button(buttonframe, text="Stop", command=self.stop, font=stdfont, | |
| 56 bg='red').pack(side=LEFT) | |
| 57 Button(buttonframe, text="Prev", command=self.prev, | |
| 58 font=stdfont).pack(side=LEFT) | |
| 59 Button(buttonframe, text="Next", command=self.next, | |
| 60 font=stdfont).pack(side=LEFT) | |
| 0 | 61 |
|
51
71489bb71528
- Meet Fader. He is going to grow up and be a crossfader some day
dmcc
parents:
0
diff
changeset
|
62 infoframe = Frame(self) |
| 0 | 63 Label(infoframe, textvariable=self.cuename, |
| 53 | 64 font=('Arial', 12), bg='lightBlue').grid(columnspan=4, sticky=NE+SW) |
| 52 | 65 |
| 0 | 66 Label(infoframe, text="Length", font=stdfont, |
| 67 bg='lightPink').grid(row=1, sticky=NE+SW) | |
| 68 Label(infoframe, textvariable=self.cuelength, | |
| 53 | 69 font=stdfont).grid(row=1, column=1, columnspan=3, sticky=NE+SW) |
| 52 | 70 |
| 0 | 71 Label(infoframe, text="Target", font=stdfont, |
| 52 | 72 bg='lightPink', wraplength=50).grid(row=2, sticky=NE+SW) |
| 73 Label(infoframe, textvariable=self.cuetarget, | |
| 53 | 74 font=stdfont).grid(row=2, column=1, columnspan=3, sticky=NE+SW) |
| 52 | 75 |
| 76 Label(infoframe, text="Status", font=stdfont, | |
| 77 bg='lightPink').grid(row=3, sticky=NE+SW) | |
| 78 Label(infoframe, textvariable=self.cuestatus, | |
| 53 | 79 font=stdfont).grid(row=3, column=1, columnspan=3, sticky=NE+SW) |
| 52 | 80 |
| 53 | 81 Label(infoframe, text="Time Elapsed", font=stdfont, |
| 52 | 82 bg='lightPink').grid(row=4, sticky=NE+SW) |
| 53 | 83 Label(infoframe, textvariable=self.cuetimeelapse, |
| 52 | 84 font=stdfont).grid(row=4, column=1, sticky=NE+SW) |
| 85 | |
| 53 | 86 Label(infoframe, text="Time Remain", font=stdfont, |
| 87 bg='lightPink').grid(row=4, column=2, sticky=NE+SW) | |
| 88 Label(infoframe, textvariable=self.cuetimeleft, | |
| 89 font=stdfont).grid(row=4, column=3, sticky=NE+SW) | |
| 90 | |
| 52 | 91 Label(infoframe, text="Percent Complete", font=stdfont, |
| 53 | 92 bg='lightPink').grid(row=5, column=0, sticky=NE+SW) |
| 93 self.percentlabel = Label(infoframe, | |
| 94 font=stdfont) | |
| 95 self.percentlabel.grid(row=5, column=1, columnspan=3, sticky=NE+SW) | |
| 96 | |
| 97 s = Scale(infoframe, variable=self.cuepercent, | |
| 98 showvalue=0, length=220, | |
| 99 width=18, sliderlength=30, | |
| 100 to=100,res=.1,from_=0,bd=1, font=stdfont, | |
| 101 orient='horiz') | |
| 102 s.grid(row=6, columnspan=4, sticky='ew') | |
| 52 | 103 |
| 0 | 104 infoframe.pack(side=RIGHT, fill=BOTH, expand=1) |
|
51
71489bb71528
- Meet Fader. He is going to grow up and be a crossfader some day
dmcc
parents:
0
diff
changeset
|
105 buttonframe.pack(side=BOTTOM) |
| 0 | 106 |
| 107 self.listbox.listbox.select_set(0) | |
| 108 self.update_selection() | |
| 53 | 109 def update_percent(self, *args): |
| 110 if self.cuestatus.get() != 'running': | |
| 111 self.cuestatus.set("running") | |
| 112 self.time_start = time() | |
| 113 startlevels = dict([(k, v.get()) | |
| 114 for k, v in self.scalelevels.items()]) | |
| 115 self.current.start(startlevels, self.time_start) | |
| 116 | |
| 117 percent = self.cuepercent.get() | |
| 118 self.percentlabel.config(text='%.1f%%' % percent) | |
| 119 percent /= 100 | |
| 120 | |
| 121 elapsed = percent * self.current.dur | |
| 122 self.cuetimeelapse.set('%.1fs' % elapsed) | |
| 123 self.cuetimeleft.set('%.1fs' % (self.current.dur - elapsed)) | |
| 124 newlevels = self.current.get_levels(self.time_start + elapsed) | |
| 125 for ch, lev in newlevels.items(): | |
| 126 try: | |
| 127 self.scalelevels[ch].set(lev / 100.0) | |
| 128 except KeyError: | |
| 129 pass | |
| 130 | |
| 131 def update_selection(self, *args): | |
|
51
71489bb71528
- Meet Fader. He is going to grow up and be a crossfader some day
dmcc
parents:
0
diff
changeset
|
132 selection = int(self.listbox.listbox.curselection()[0]) # blech |
| 0 | 133 self.current = self.cues[selection] |
| 134 self.cuename.set(self.current.name) | |
| 135 self.cuelength.set(self.current.dur) | |
| 53 | 136 target = ', '.join(['%s -> %.1f' % (n, lev) |
| 137 for n, lev in self.current.get_end_levels().items()]) | |
| 138 self.cuetarget.set(target) | |
| 139 self.cuetimeelapse.set('0s') | |
| 140 self.cuetimeleft.set('%.1fs' % self.current.dur) | |
| 141 self.cuepercent.set(0) | |
| 0 | 142 def go(self): |
| 53 | 143 self.update_selection() |
| 52 | 144 self.cuestatus.set("running") |
| 145 self.time_start = time() | |
| 146 startlevels = dict([(k, v.get()) for k, v in self.scalelevels.items()]) | |
| 147 self.current.start(startlevels, self.time_start) | |
| 148 self.running_loop() | |
| 53 | 149 def stop(self): |
| 150 self.cuestatus.set('stopped') | |
| 151 def prev(self): | |
| 152 self.cuestatus.set('stopped') | |
| 153 selection = int(self.listbox.listbox.curselection()[0]) # blech | |
| 154 if selection != 0: | |
| 155 self.listbox.listbox.select_clear(selection) | |
| 156 self.listbox.listbox.select_set(selection - 1) | |
| 157 self.update_selection() | |
| 158 def next(self): | |
| 159 self.cuestatus.set('stopped') | |
| 160 selection = int(self.listbox.listbox.curselection()[0]) # blech | |
| 161 if selection != self.listbox.listbox.size() - 1: | |
| 162 self.listbox.listbox.select_clear(selection) | |
| 163 self.listbox.listbox.select_set(selection + 1) | |
| 164 self.update_selection() | |
| 52 | 165 def running_loop(self): |
| 53 | 166 if self.cuestatus.get() == 'stopped': |
| 52 | 167 return |
| 53 | 168 curtime = time() |
| 169 elapsed = (curtime - self.time_start) | |
| 170 if elapsed > self.current.dur: | |
| 171 self.cuestatus.set('finished') | |
| 172 self.cuepercent.set(100) | |
| 173 | |
| 174 # advance cues if okay | |
| 175 self.next() | |
| 176 return | |
| 177 | |
| 178 self.cuepercent.set(100 * elapsed / self.current.dur) | |
| 52 | 179 self.after(30, self.running_loop) |