changeset 151:990a9474d0e7

early cue stuff. the CueList will supply the CueFader with the cues to early cue stuff. the CueList will supply the CueFader with the cues to work with, and will do crossfading sooner or later. the format of cues is still very open. cuelist1 is a bogus cuelist for testing.
author dmcc
date Sun, 06 Jul 2003 16:33:06 +0000
parents 1e4814221a64
children e6ca7c1f0b1e
files flax/CueFaders.py flax/cues/cuelist1
diffstat 2 files changed, 160 insertions(+), 701 deletions(-) [+]
line wrap: on
line diff
--- a/flax/CueFaders.py	Sun Jul 06 14:47:01 2003 +0000
+++ b/flax/CueFaders.py	Sun Jul 06 16:33:06 2003 +0000
@@ -2,137 +2,53 @@
 import Tix as Tk
 import time
 from TreeDict import TreeDict, allow_class_to_be_pickled
-from TLUtility import enumerate
-import Submaster, dmxclient
-
-cue_state_indicator_colors = {
-             # bg       fg
-    'prev' : ('blue',   'white'),
-    'cur' :  ('yellow', 'black'),
-    'next' : ('red',    'white'),
-}
-
-# TODO 
-# FIXE pause fades, set new time to be remaining about of time in the fade so 
-#           fade can continue properly
-# FIXE make fades work properly: the set_next / prev bug
-# WONT find cue by page ("not necessawy!")
-# WONT CueFader controls KeyboardController?  unlikely
-# FIXE AutoSave loop
 
 class LabelledScale(Tk.Frame):
     """Scale with two labels: a name and current value"""
     def __init__(self, master, label, **opts):
-        Tk.Frame.__init__(self, master, bd=2, relief='raised', bg='black')
-        self.labelformatter = opts.get('labelformatter')
-        try:
-            del opts['labelformatter']
-        except KeyError:
-            pass
-
+        Tk.Frame.__init__(self, master, bd=2, relief='raised')
         opts.setdefault('variable', Tk.DoubleVar())
         opts.setdefault('showvalue', 0)
-
-        self.normaltrough = opts.get('troughcolor', 'black')
-        self.flashtrough = opts.get('flashtroughcolor', 'red')
-        try:
-            del opts['flashtroughcolor']
-        except KeyError:
-            pass
-
         self.scale_var = opts['variable']
         self.scale = Tk.Scale(self, **opts)
         self.scale.pack(side='top', expand=1, fill='both')
-        self.name = Tk.Label(self, text=label, bg='black', fg='white')
+        self.name = Tk.Label(self, text=label)
         self.name.pack(side='bottom')
-        self.scale_value = Tk.Label(self, bg='black', fg='white')
+        self.scale_value = Tk.Label(self, width=6)
         self.scale_value.pack(side='bottom')
         self.scale_var.trace('w', self.update_value_label)
         self.update_value_label()
-        self.disabled = (self.scale['state'] == 'disabled')
     def set_label(self, label):
         self.name['text'] = label
     def update_value_label(self, *args):
         val = self.scale_var.get() * 100
-        if self.labelformatter:
-            format = self.labelformatter(val)
-        else:
-            format = "%0.2f" % val
-        self.scale_value['text'] = format
-        if val != 0:
-            self.scale['troughcolor'] = self.flashtrough
-        else:
-            self.scale['troughcolor'] = self.normaltrough
-    def disable(self):
-        if not self.disabled:
-            self.scale['state'] = 'disabled'
-            self.scale_var.set(0)
-            self.disabled = 1
-    def enable(self):
-        if self.disabled:
-            self.scale['state'] = 'normal'
-            self.disabled = 0
+        self.scale_value['text'] = "%0.2f" % val
 
 class TimedGoButton(Tk.Frame):
     """Go button, fade time entry, and time fader"""
-    def __init__(self, master, name, scale_to_fade, **kw):
-        Tk.Frame.__init__(self, master, bg='black')
+    def __init__(self, master, name, scale_to_fade):
+        Tk.Frame.__init__(self, master)
         self.name = name
         self.scale_to_fade = scale_to_fade
-        self.button = Tk.Button(self, text=name, command=self.start_fade, **kw)
+        self.button = Tk.Button(self, text=name, command=self.start_fade)
         self.button.pack(fill='both', expand=1, side='left')
-
-        self.timer_var = Tk.DoubleVar()
-        self.timer_entry = Tk.Control(self, step=0.5, min=0, integer=0, 
-            variable=self.timer_var, selectmode='immediate')
-        for widget in (self.timer_entry, self.timer_entry.entry, 
-            self.timer_entry.incr, self.timer_entry.decr, self.button, self):
-            widget.bind("<4>", self.wheelscroll)
-            widget.bind("<5>", self.wheelscroll)
-        self.timer_entry.entry.configure(width=5, bg='black', fg='white')
+        self.timer_var = Tk.StringVar()
+        self.timer_entry = Tk.Entry(self, textvariable=self.timer_var, width=5)
         self.timer_entry.pack(fill='y', side='left')
-        self.timer_var.set(2)
-        self.disabled = (self.button['state'] == 'disabled')
-        self.start_time = 0
-        self.fading = 0
-        self.last_after_key = 0
-    def manual_override(self, *args):
-        self.end_fade()
-    def wheelscroll(self, event):
-        """Mouse wheel increments or decrements timer."""
-        if event.num == 4: # scroll up
-            self.timer_entry.increment()
-        else:            # scroll down
-            self.timer_entry.decrement()
+        self.timer_var.set("2")
     def start_fade(self, end_level=1):
-        self.last_start_time = self.start_time
+        try:
+            fade_time = float(self.timer_var.get())
+        except ValueError:
+            # TODO figure out how to handle this
+            print "can't fade -- bad time"
+            return
+
         self.start_time = time.time()
         self.start_level = self.scale_to_fade.scale_var.get()
         self.end_level = end_level
-
-        if self.fading == 1: # if we're already fading
-            self.fading = 'paused'
-            # new fade should be as long as however much was left
-            self.fade_length = self.fade_length - \
-                (time.time() - self.last_start_time)
-            self.button['text'] = 'Unpause'
-            self.after_cancel(self.last_after_key)
-        else:
-            try:
-                fade_time = float(self.timer_var.get())
-            except ValueError:
-                # since we use a TixControl now, i don't think we need to worry 
-                # about validation any more.
-                print ">>> Can't fade -- bad time", self.timer_var.get()
-                return
-
-            # if we're not already fading, we get our time from the entry
-            if self.fading != 'paused':
-                self.fade_length = fade_time
-
-            self.button['text'] = 'Pause'
-            self.fading = 1
-            self.do_fade()
+        self.fade_length = fade_time
+        self.do_fade()
     def do_fade(self):
         diff = time.time() - self.start_time
         if diff < self.fade_length:
@@ -142,277 +58,88 @@
             self.scale_to_fade.scale_var.set(newlevel)
 
             if newlevel != self.end_level:
-                self.last_after_key = self.after(10, self.do_fade)
-            else:
-                self.end_fade()
+                self.after(10, self.do_fade)
         else:
             self.scale_to_fade.scale_var.set(self.end_level)
-            self.end_fade()
-    def end_fade(self):
-        self.button['text'] = self.name
-        self.fading = 0
-        self.after_cancel(self.last_after_key)
-    def disable(self):
-        if not self.disabled:
-            self.button['state'] = 'disabled'
-            self.disabled = 1
-    def enable(self):
-        if self.disabled:
-            self.button['state'] = 'normal'
-            self.disabled = 0
-    def set_time(self, time):
-        self.timer_var.set(time)
-    def get_time(self):
-        return self.timer_var.get()
-    def is_fading(self):
-        return self.fading
 
 class CueFader(Tk.Frame):
     def __init__(self, master, cuelist):
-        Tk.Frame.__init__(self, master, bg='black')
+        Tk.Frame.__init__(self, master)
         self.cuelist = cuelist
-        self.cuelist.set_fader(self)
-
-        self.last_levels_sent = 0
-        self.current_dmx_levels = [0] * 68
-        self.after(0, self.send_dmx_levels_loop) # start DMX sending loop
-
-        # this is a mechanism to stop Tk from autoshifting too much.
-        # if this variable is true, the mouse button is down.  we don't want
-        # to shift until they release it.  when it is released, we will
-        # set it to false and then call autoshift.
-        self.no_shifts_until_release = 0
+        self.auto_shift = 0
 
         self.scales = {}
         self.shift_buttons = {}
-        self.go_buttons = {}
+
+        topframe = Tk.Frame(self)
+        self.current_cues = Tk.Label(topframe)
+        self.current_cues.pack()
+        self.update_cue_display()
+        topframe.pack()
         
-        topframe = Tk.Frame(self, bg='black')
-
-        self.set_prev_button = Tk.Button(topframe, text='Set Prev',
-            command=lambda: cuelist.set_selection_as_prev(),
-            fg='white', bg='blue')
-        self.set_prev_button.pack(side='left')
-
-        self.auto_shift = Tk.IntVar()
-        self.auto_shift.set(1)
-
-        self.auto_shift_checkbutton = Tk.Checkbutton(topframe, 
-            variable=self.auto_shift, text='Autoshift', 
-            command=self.toggle_autoshift, bg='black', fg='white',
-            highlightbackground='black')
-        self.auto_shift_checkbutton.pack(fill='both', side='left')
-
-        self.auto_load_times = Tk.IntVar()
-        self.auto_load_times.set(1)
-
-        self.auto_load_times_checkbutton = Tk.Checkbutton(topframe, 
-            variable=self.auto_load_times, text='Autoload Times', 
-            bg='black', fg='white', 
-            highlightbackground='black')
-        self.auto_load_times_checkbutton.pack(fill='both', side='left')
+        for name, start, end, side in (('Prev', 1, 0, 'left'),
+                                       ('Next', 0, 1, 'right')):
 
-        self.mute = Tk.IntVar()
-        self.mute.set(0)
-
-        self.mutebutton = Tk.Checkbutton(topframe, 
-            variable=self.mute, text='Mute', 
-            bg='black', fg='white', 
-            highlightbackground='black',
-            command=self.send_dmx_levels)
-        self.mutebutton.pack(fill='both', side='left')
-
-        self.set_next_button = Tk.Button(topframe, text='Set Next',
-            command=lambda: cuelist.set_selection_as_next(),
-            fg='white', bg='red')
-        self.set_next_button.pack(side='left')
-
-        topframe.pack(side='top')
-
-        faderframe = Tk.Frame(self, bg='black')
-        self.direction_info = (('Prev', 1, 0, 'left', 'blue'),
-                               ('Next', 0, 1, 'right', 'red'))
-        for name, start, end, side, color in self.direction_info:
-            frame = Tk.Frame(self, bg='black')
+            shift = Tk.Button(self, text="Shift %s" % name, state='disabled',
+                command=lambda name=name: self.shift(name))
+            shift.pack(side=side, fill='both', expand=1)
+            
+            frame = Tk.Frame(self)
             scale = LabelledScale(frame, name, from_=start, to_=end, 
-                res=0.0001, orient='horiz', flashtroughcolor=color,
-                labelformatter=lambda val, name=name: self.get_scale_desc(val, 
-                                                                          name))
-            scale.pack(fill='x', expand=0)
-            go = TimedGoButton(frame, 'Go %s' % name, scale, bg=color, 
-                fg='white', width=10)
+                res=0.01, orient='horiz')
+            scale.pack(fill='both', expand=1)
+            go = TimedGoButton(frame, 'Go %s' % name, scale)
             go.pack(fill='both', expand=1)
             frame.pack(side=side, fill='both', expand=1)
         
-            shift = Tk.Button(frame, text="Shift %s" % name, state='disabled',
-                command=lambda name=name: self.shift(name), fg=color, 
-                bg='black')
-
             self.scales[name] = scale
             self.shift_buttons[name] = shift
-            self.go_buttons[name] = go
 
             scale.scale_var.trace('w', \
                 lambda x, y, z, name=name, scale=scale: self.xfade(name, scale))
-            go.timer_var.trace('w',
-                lambda x, y, z, scale=scale: scale.update_value_label())
-
-            def button_press(event, name=name, scale=scale):
-                self.no_shifts_until_release = 1 # prevent shifts until release
-            def button_release(event, name=name, scale=scale):
-                self.no_shifts_until_release = 0
-                self.autoshift(name, scale)
-
-            scale.scale.bind("<ButtonPress>", button_press)
-            scale.scale.bind("<ButtonRelease>", button_release)
-        faderframe.pack(side='bottom', fill='both', expand=1)
-
-        self.current_dir = 'Next'
-        self.cues_as_subs = {}
-        self.update_cue_cache()
-    def reload_cue_times(self):
-        prev, cur, next = self.cuelist.get_current_cues()
-        self.go_buttons['Next'].set_time(next.time)
-    def update_cue_cache(self, compute_dmx_levels=1):
-        """Rebuilds subs from the current cues.  As this is expensive, we don't
-        do it unless necessary (i.e. whenever we shift or a cue is edited)"""
-        # print "update_cue_cache"
-        # load the subs to fade between
-        for cue, name in zip(self.cuelist.get_current_cues(), 
-                             ('Prev', 'Cur', 'Next')):
-            self.cues_as_subs[name] = cue.get_levels_as_sub()
-        if compute_dmx_levels:
-            self.compute_dmx_levels()
-    def compute_dmx_levels(self):
-        """Compute the DMX levels to send.  This should get called whenever the
-        DMX levels could change: either during a crossfade or when a cue is
-        edited.  Since this is called when we know that a change might occur,
-        we will send the new levels too."""
-        cur_sub = self.cues_as_subs.get('Cur')
-        if cur_sub:
-            scale = self.scales[self.current_dir]
-            scale_val = scale.scale_var.get() 
-
-            other_sub = self.cues_as_subs[self.current_dir]
-            current_levels_as_sub = cur_sub.crossfade(other_sub, scale_val)
-            self.current_dmx_levels = current_levels_as_sub.get_dmx_list()
-            self.send_dmx_levels()
-
-            # print "compute_dmx_levels: fade at", scale_val
-            # print "between", cur_sub.name, 
-            # print "and", other_sub.name
-            # print 
-    def send_dmx_levels(self, *args):
-        # print "send_dmx_levels", self.current_dmx_levels
-        if self.mute.get():
-            dmxclient.outputlevels([0] * 68)
-        else:
-            dmxclient.outputlevels(self.current_dmx_levels)
-        self.last_levels_sent = time.time()
-    def send_dmx_levels_loop(self):
-        diff = time.time() - self.last_levels_sent
-        if diff >= 2: # too long since last send
-            self.send_dmx_levels()
-            self.after(200, self.send_dmx_levels_loop)
-        else:
-            self.after(int((2 - diff) * 100), self.send_dmx_levels_loop)
-    def get_scale_desc(self, val, name):
-        """Returns a description to the TimedGoButton"""
-        go_button = self.go_buttons.get(name)
-        if go_button:
-            time = go_button.get_time()
-            return "%0.2f%%, %0.1fs left" % (val, time - ((val / 100.0) * time))
-        else:
-            return "%0.2f%%" % val
-    def toggle_autoshift(self):
-        for name, button in self.shift_buttons.items():
-            if not self.auto_shift.get():
-                button.pack(side='bottom', fill='both', expand=1)
-            else:
-                button.pack_forget()
     def shift(self, name):
-        # to prevent overshifting
-        if self.no_shifts_until_release:
-            return
-        # print "shift", name
-
+        for scale in self.scales.values():
+            scale.scale_var.set(0)
+            if name == 'Next': scale.update()
+        print "shift", name
         self.cuelist.shift((-1, 1)[name == 'Next'])
-        self.update_cue_cache(compute_dmx_levels=0)
-        for scale_name, scale in self.scales.items():
-            # print "shift: setting scale to 0", scale_name
-            scale.scale.set(0)
-            self.go_buttons[scale_name].manual_override()
-        self.update_cue_cache(compute_dmx_levels=1)
-
-        if self.auto_load_times.get():
-            self.reload_cue_times()
-    def autoshift(self, name, scale):
+        self.update_cue_display()
+    def update_cue_display(self):
+        current_cues = [cue.name for cue in self.cuelist.get_current_cues()]
+        self.current_cues['text'] = ', '.join(current_cues)
+    def xfade(self, name, scale):
         scale_val = scale.scale_var.get() 
 
         if scale_val == 1:
-            if self.auto_shift.get():
+            if self.auto_shift:
                 self.shift(name)
-    def xfade(self, name, scale):
-        if self.auto_shift.get():
-            self.autoshift(name, scale)
-            scale_val = scale.scale_var.get() 
+            else:
+                self.shift_buttons[name]['state'] = 'normal'
         else:
-            scale_val = scale.scale_var.get() 
-            if scale_val == 1:
-                self.shift_buttons[name]['state'] = 'normal'
-            else:
-                # disable any dangerous shifting
-                self.shift_buttons[name]['state'] = 'disabled'
+            # disable any dangerous shifting
+            self.shift_buttons[name]['state'] = 'disabled'
 
-        d = self.opposite_direction(name)
         if scale_val != 0:
             # disable illegal three part crossfades
-            self.scales[d].disable()
-            self.go_buttons[d].disable()
+            # TODO:
+            # if name == 'Next':
+            #   disable go_prev button and slider, lock slider at 0
+            pass
         else:
-            # undo above work
-            self.scales[d].enable()
-            self.go_buttons[d].enable()
+            # undo above changes
 
-        self.current_dir = name
-        self.compute_dmx_levels()
-    def opposite_direction(self, d):
-        if d == 'Next':
-            return 'Prev'
-        else:
-            return 'Next'
+            # Actually, TimedGoButton and LabelledScale can have enable/disable
+            # methods which will only do the Tk calls if necessary
+            pass
 
 class Cue:
     """A Cue has a name, a time, and any number of other attributes."""
-    def __init__(self, name, time=3, sub_levels='', **attrs):
+    def __init__(self, name, time=3, **attrs):
         self.name = name
         self.time = time
-        self.sub_levels = sub_levels
         self.__dict__.update(attrs)
     def __repr__(self):
         return "<Cue %s, length %s>" % (self.name, self.time)
-    def get_levels_as_sub(self):
-        """Get this Cue as a combined Submaster, normalized.  This method
-        should not be called constantly, since it is somewhat expensive.  It
-        will reload the submasters from disk, combine all subs together, and
-        then compute the normalized form."""
-        subdict = {}
-        for line in self.sub_levels.split(','):
-            try:
-                line = line.strip()
-                if not line: 
-                    continue
-                sub, scale = line.split(':')
-                sub = sub.strip()
-                scale = float(scale)
-                subdict[sub] = scale
-            except ValueError:
-                print "Parsing error for '%s' in %s" % (self.sub_levels, self)
-
-        s = Submaster.Submasters()
-        newsub = Submaster.sub_maxes(*[s[sub] * scale 
-            for sub, scale in subdict.items()])
-        return newsub.get_normalized_copy()
 
 empty_cue = Cue('empty')
 
@@ -428,8 +155,8 @@
         except IOError:
             self.treedict.cues = []
         self.cues = self.treedict.cues
-        self.current_cue_index = -1
-        self.next_pointer = 0
+        self.current_cue_index = 0
+        self.next_pointer = None
         self.prev_pointer = None
 
         import atexit
@@ -460,255 +187,45 @@
     def set_prev(self, index):
         self.prev_pointer = index
     def bound_index(self, index):
-        if not self.cues or index < 0:
+        if not self.cues:
             return None
         else:
-            return min(index, len(self.cues) - 1)
+            return max(0, min(index, len(self.cues)))
     def get_current_cue_indices(self):
-        """Returns a list of the indices of three cues: the previous cue,
-        the current cue, and the next cue."""
         cur = self.current_cue_index
         return [self.bound_index(index) for index in
                     (self.prev_pointer or cur - 1, 
                      cur, 
                      self.next_pointer or cur + 1)]
     def get_current_cues(self):
-        """Returns a list of three cues: the previous cue, the current cue,
-        and the next cue."""
+        # print "get_current_cue_indices", self.get_current_cue_indices()
         return [self.get_cue_by_index(index) 
             for index in self.get_current_cue_indices()]
     def get_cue_by_index(self, index):
-        try:
+        # print "get_cue_by_index", index
+        if index:
             return self.cues[self.bound_index(index)]
-        except TypeError:
+        else:
             return empty_cue
     def __del__(self):
         self.save()
-    def save(self, backup=0):
-        if backup:
-
-            backupfilename = "%s-backup" % self.filename
-            print time.asctime(), "Saving backup version of cues to", \
-                backupfilename
-            self.treedict.save(backupfilename)
-        else:
-            print time.asctime(), "Saving cues to", self.filename
-            self.treedict.save(self.filename)
-    def reload(self):
-        # TODO: we probably will need to make sure that indices still make
-        # sense, etc.
-        self.treedict.load(self.filename)
-
-class TkCueList(CueList, Tk.Frame):
-    def __init__(self, master, filename):
-        CueList.__init__(self, filename)
-        Tk.Frame.__init__(self, master, bg='black')
-        self.fader = None
-        
-        self.edit_tl = Tk.Toplevel()
-        self.editor = CueEditron(self.edit_tl, 
-            changed_callback=self.cue_changed)
-        self.editor.pack(fill='both', expand=1)
-
-        def edit_cue(index):
-            index = int(index)
-            self.editor.set_cue_to_edit(self.cues[index])
-            
-        self.columns = ('name', 'time', 'page', 'cuenum', 'desc', 'sub_levels')
-        self.scrolled_hlist = Tk.ScrolledHList(self,
-            options='hlist.columns %d hlist.header 1' % len(self.columns))
-        self.hlist = self.scrolled_hlist.hlist
-        self.hlist.configure(fg='white', bg='black', 
-            command=self.select_callback, browsecmd=edit_cue)
-        self.hlist.bind("<4>", self.wheelscroll)
-        self.hlist.bind("<5>", self.wheelscroll)
-        self.scrolled_hlist.pack(fill='both', expand=1)
-
-        boldfont = self.tk.call('tix', 'option', 'get', 
-            'bold_font')
-        header_style = Tk.DisplayStyle('text', refwindow=self,
-            anchor='center', padx=8, pady=2, font=boldfont)
-
-        for count, header in enumerate(self.columns):
-            self.hlist.header_create(count, itemtype='text',
-                text=header, style=header_style)
-
-        self.cue_label_windows = {}
-        for count, cue in enumerate(self.cues):
-            self.display_cue(count, cue)
-        self.update_cue_indicators()
-        self.save_loop()
-    def set_fader(self, fader):
-        self.fader = fader
-    def wheelscroll(self, evt):
-        """Perform mouse wheel scrolling"""
-        if evt.num == 4: # scroll down
-            amount = -2
-        else:            # scroll up
-            amount = 2
-        self.hlist.yview('scroll', amount, 'units')
-    def cue_changed(self, cue):
-        path = self.cues.index(cue)
-        for col, header in enumerate(self.columns):
-            try:
-                text = getattr(cue, header)
-            except AttributeError:
-                text = ''
-
-            if col == 0:
-                self.cue_label_windows[path]['text'] = text
-            else:
-                self.hlist.item_configure(path, col, text=text)
-
-        if cue in self.get_current_cues() and self.fader:
-            self.fader.update_cue_cache()
-            self.fader.reload_cue_times()
-    def display_cue(self, path, cue):
-        for col, header in enumerate(self.columns):
-            try:
-                text = getattr(cue, header)
-            except AttributeError:
-                text = ''
-
-            if col == 0:
-                lab = Tk.Label(self.hlist, text=text, fg='white', bg='black')
-                def select_and_highlight(event):
-                    self.select_callback(path)
-                    self.hlist.selection_clear()
-                    self.hlist.selection_set(path)
-
-                lab.bind("<Double-1>", select_and_highlight)
-                self.hlist.add(path, itemtype='window', window=lab)
-                self.cue_label_windows[path] = lab
-            else:
-                self.hlist.item_create(path, col, text=text)
-    def reset_cue_indicators(self, cue_indices=None):
-        """If cue_indices is None, we'll reset all of them."""
-        cue_indices = cue_indices or self.cue_label_windows.keys()
-        for key in cue_indices:
-            if key is None:
-                continue
-            window = self.cue_label_windows[key]
-            window.configure(fg='white', bg='black')
-    def update_cue_indicators(self):
-        states = dict(zip(self.get_current_cue_indices(), 
-                     ('prev', 'cur', 'next')))
-
-        for count, state in states.items():
-            if count is None:
-                continue
-            window = self.cue_label_windows[count]
-            bg, fg = cue_state_indicator_colors[state]
-            window.configure(bg=bg, fg=fg)
-    def shift(self, diff):
-        self.reset_cue_indicators(self.get_current_cue_indices())
-        CueList.shift(self, diff)
-        self.update_cue_indicators()
-        # try to see all indices, but next takes priority over all, and cur
-        # over prev
-        for index in self.get_current_cue_indices():
-            if index is not None:
-                self.hlist.see(index)
-    def select_callback(self, index):
-        new_next = int(index)
-        self.set_next(new_next)
-    def set_next(self, index):
-        prev, cur, next = self.get_current_cue_indices()
-        self.reset_cue_indicators((next,))
-        CueList.set_next(self, index)
-        self.update_cue_indicators()
-
-        if self.fader: # XXX this is untested
-            self.fader.update_cue_cache()
-    def set_prev(self, index):
-        prev, cur, next = self.get_current_cue_indices()
-        self.reset_cue_indicators((prev,))
-        CueList.set_prev(self, index)
-        self.update_cue_indicators()
-
-        if self.fader: # XXX this is untested
-            self.fader.update_cue_cache()
-    def set_selection_as_prev(self):
-        sel = self.hlist.info_selection()
-        if sel:
-            self.set_prev(int(sel[0]))
-    def set_selection_as_next(self):
-        sel = self.hlist.info_selection()
-        if sel:
-            self.set_next(int(sel[0]))
-    def save_loop(self):
-        """This saves the CueList every minute."""
-        self.save(backup=1)
-        self.after(60000, self.save_loop)
-
-class CueEditron(Tk.Frame):
-    def __init__(self, master, changed_callback=None, cue=None):
-        Tk.Frame.__init__(self, master, bg='black')
-        self.master = master
-        self.cue = cue
-        self.changed_callback = changed_callback
-        self.enable_callbacks = 1
-
-        self.setup_editing_forms()
-        self.set_cue_to_edit(cue)
-    def set_cue_to_edit(self, cue):
-        if cue != self.cue:
-            self.cue = cue
-            self.fill_in_cue_info()
-            self.set_title()
-    def set_title(self):
-            try:
-                self.master.title("Editing '%s'" % self.cue.name)
-            except AttributeError:
-                pass
-    def setup_editing_forms(self):
-        self.variables = {}
-        for row, field in enumerate(('name', 'time', 'page', 'cuenum', 'desc', 
-            'sub_levels')):
-            lab = Tk.Label(self, text=field, fg='white', bg='black')
-            lab.grid(row=row, column=0, sticky='nsew')
-
-            entryvar = Tk.StringVar()
-            entry = Tk.Entry(self, fg='white', bg='black', 
-                textvariable=entryvar, insertbackground='white',
-                highlightcolor='red') # TODO this red/black is backwards
-            entry.grid(row=row, column=1, sticky='nsew')
-
-            self.variables[field] = entryvar
-
-            def field_changed(x, y, z, field=field, entryvar=entryvar):
-                if self.cue:
-                    setattr(self.cue, field, entryvar.get())
-                    if self.enable_callbacks and self.changed_callback:
-                        self.changed_callback(self.cue)
-                if field == 'name':
-                    self.set_title()
-
-            entryvar.trace('w', field_changed)
-        self.columnconfigure(1, weight=1)
-    def fill_in_cue_info(self):
-        self.enable_callbacks = 0
-        for row, field in enumerate(('name', 'time', 'page', 'cuenum', 'desc', 
-            'sub_levels')):
-            text = ''
-            if self.cue:
-                try:
-                    text = getattr(self.cue, field)
-                except AttributeError:
-                    pass
-            self.variables[field].set(text)
-        self.enable_callbacks = 1
+    def save(self):
+        self.treedict.save(self.filename)
 
 if __name__ == "__main__":
-    root = Tk.Tk()
-    root.title("ShowMaster 9000")
-    root.geometry("600x670")
-    cl = TkCueList(root, 'cues/dolly')
-    cl.pack(fill='both', expand=1)
+    if 0:
+        z = CueList('cues/cuelist1')
+        z.add_cue(Cue('cue %s' % time.asctime(), time=2, a=7, b=8))
+        print 'cues', z.cues
+    else:
+        cl = CueList('cues/cuelist1')
 
-    fader = CueFader(root, cl)
-    fader.pack(fill='both', expand=1)
-    try:
+        # to populate cue list
+        if 0:
+            for x in range(20):
+                cl.add_cue(Cue('cue %d' % x, time=x, some_attribute=3))
+
+        root = Tk.Tk()
+        fader = CueFader(root, cl)
+        fader.pack(fill='both', expand=1)
         Tk.mainloop()
-    except KeyboardInterrupt:
-        root.destroy()
--- a/flax/cues/cuelist1	Sun Jul 06 14:47:01 2003 +0000
+++ b/flax/cues/cuelist1	Sun Jul 06 16:33:06 2003 +0000
@@ -1,167 +1,109 @@
 <?xml version="1.0"?>
 <!DOCTYPE PyObject SYSTEM "PyObjects.dtd">
 <PyObject family="obj" type="builtin_wrapper"  class="_EmptyClass">
-<attr name="__toplevel__" family="map" type="__compound__" extra="None TreeDict" id="138506468" >
+<attr name="__toplevel__" family="map" type="__compound__" extra="None TreeDict" id="136600876" >
   <entry>
     <key type="string" value="cues" />
-    <val type="list" id="139971548" >
-      <item type="PyObject" id="140423764" class="Cue">
-        <attr name="name" type="string" value="tevya special" />
-        <attr name="desc" type="string" value="whoa - this works" />
-        <attr name="page" type="string" value="3.2" />
-        <attr name="sub_levels" type="string" value="green : 1.0" />
-        <attr name="time" type="string" value="2" />
-      </item>
-      <item type="PyObject" id="139862804" class="Cue">
-        <attr name="subdict" type="dict" id="139863044" >
-        </attr>
-        <attr name="name" type="string" value="lady luck" />
-        <attr name="time" type="string" value="1" />
-        <attr name="page" type="string" value="1.1.5" />
-        <attr name="sub_levels" type="string" value="blue : 1.0, green : 0.5" />
-        <attr name="desc" type="string" value="music flourish" />
+    <val type="list" id="138285116" >
+      <item type="PyObject" id="138619532" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 0" />
+        <attr name="time" type="numeric" value="0" />
       </item>
-      <item type="PyObject" id="139862732" class="Cue">
-        <attr name="subdict" type="dict" id="139852060" >
-        </attr>
-        <attr name="name" type="string" value="dolly solo" />
-        <attr name="time" type="string" value="2" />
-        <attr name="page" type="string" value="1.2.10" />
-        <attr name="sub_levels" type="string" value="blue : 0.1, green : 0.1" />
-        <attr name="desc" type="string" value="tevya: &quot;what&apos;s happening to the tradition?&quot;" />
+      <item type="PyObject" id="138231364" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 1" />
+        <attr name="time" type="numeric" value="1" />
       </item>
-      <item type="PyObject" id="139915236" class="Cue">
-        <attr name="subdict" type="dict" id="139852964" >
-        </attr>
+      <item type="PyObject" id="138597492" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 2" />
+        <attr name="time" type="numeric" value="2" />
+      </item>
+      <item type="PyObject" id="138228508" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 3" />
-        <attr name="time" type="string" value="4" />
-        <attr name="page" type="string" value="1.2.14" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="desc" type="string" value="the third cue" />
+        <attr name="time" type="numeric" value="3" />
       </item>
-      <item type="PyObject" id="139851228" class="Cue">
-        <attr name="subdict" type="dict" id="139863188" >
-        </attr>
-        <attr name="name" type="string" value="heart" />
-        <attr name="time" type="string" value="10" />
-        <attr name="page" type="string" value="1.3.13" />
-        <attr name="sub_levels" type="string" value="frontwhite : 0.2, red : 0.7" />
-        <attr name="desc" type="string" value="&quot;you&apos;ve gotta have heart&quot;" />
+      <item type="PyObject" id="138308908" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 4" />
+        <attr name="time" type="numeric" value="4" />
       </item>
-      <item type="PyObject" id="139863332" class="Cue">
-        <attr name="subdict" type="dict" id="139841476" >
-        </attr>
-        <attr name="name" type="string" value="more musical refs" />
-        <attr name="time" type="string" value="5" />
-        <attr name="page" type="string" value="1.3.17" />
-        <attr name="sub_levels" type="string" value="blue : 1.0" />
-        <attr name="desc" type="string" value="etc." />
+      <item type="PyObject" id="138228692" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 5" />
+        <attr name="time" type="numeric" value="5" />
       </item>
-      <item type="PyObject" id="139855188" class="Cue">
-        <attr name="subdict" type="dict" id="139855428" >
-        </attr>
-        <attr name="name" type="string" value="rainbow shimmer" />
-        <attr name="time" type="string" value="6" />
-        <attr name="page" type="string" value="1.4.2" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="desc" type="string" value="curtain close" />
+      <item type="PyObject" id="138295972" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 6" />
+        <attr name="time" type="numeric" value="6" />
       </item>
-      <item type="PyObject" id="139873788" class="Cue">
-        <attr name="subdict" type="dict" id="139855956" >
-        </attr>
-        <attr name="name" type="string" value="fade up" />
-        <attr name="time" type="string" value="7" />
-        <attr name="page" type="string" value="2.1.1" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="desc" type="string" value="stage manager: &quot;worklights, please&quot;" />
+      <item type="PyObject" id="138255924" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 7" />
+        <attr name="time" type="numeric" value="7" />
+      </item>
+      <item type="PyObject" id="136392732" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 8" />
+        <attr name="time" type="numeric" value="8" />
       </item>
-      <item type="PyObject" id="139927324" class="Cue">
-        <attr name="subdict" type="dict" id="139854356" >
-        </attr>
-        <attr name="name" type="string" value="blackout" />
-        <attr name="time" type="string" value="8" />
-        <attr name="page" type="string" value="2.1.2" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="desc" type="string" value="&quot;lights out!&quot;" />
+      <item type="PyObject" id="136982068" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 9" />
+        <attr name="time" type="numeric" value="9" />
       </item>
-      <item type="PyObject" id="139864660" class="Cue">
-        <attr name="subdict" type="dict" id="139857340" >
-        </attr>
-        <attr name="name" type="string" value="sill" />
-        <attr name="time" type="string" value="4.2" />
-        <attr name="page" type="string" value="2.2.4" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="desc" type="string" value="another description" />
+      <item type="PyObject" id="138256044" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 10" />
+        <attr name="time" type="numeric" value="10" />
       </item>
-      <item type="PyObject" id="139855916" class="Cue">
-        <attr name="name" type="string" value="front only" />
-        <attr name="desc" type="string" value="mr. cue 10" />
-        <attr name="page" type="string" value="2.7.3" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="time" type="string" value="10" />
-      </item>
-      <item type="PyObject" id="139163156" class="Cue">
+      <item type="PyObject" id="138232364" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 11" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="time" type="string" value="11" />
+        <attr name="time" type="numeric" value="11" />
       </item>
-      <item type="PyObject" id="139854140" class="Cue">
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
+      <item type="PyObject" id="138232548" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 12" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="time" type="string" value="2.1" />
+        <attr name="time" type="numeric" value="12" />
       </item>
-      <item type="PyObject" id="139841764" class="Cue">
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
+      <item type="PyObject" id="138232788" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 13" />
-        <attr name="sub_levels" type="string" value="" />
-        <attr name="time" type="string" value="13" />
+        <attr name="time" type="numeric" value="13" />
       </item>
-      <item type="PyObject" id="139854308" class="Cue">
+      <item type="PyObject" id="138296188" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 14" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="14" />
+        <attr name="time" type="numeric" value="14" />
       </item>
-      <item type="PyObject" id="139858580" class="Cue">
+      <item type="PyObject" id="136857940" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 15" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="15" />
+        <attr name="time" type="numeric" value="15" />
       </item>
-      <item type="PyObject" id="139856100" class="Cue">
+      <item type="PyObject" id="138232828" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 16" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="16" />
+        <attr name="time" type="numeric" value="16" />
       </item>
-      <item type="PyObject" id="139856180" class="Cue">
+      <item type="PyObject" id="138232868" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 17" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="17" />
+        <attr name="time" type="numeric" value="17" />
       </item>
-      <item type="PyObject" id="139846156" class="Cue">
-        <attr name="name" type="string" value="some name" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="18" />
+      <item type="PyObject" id="138608260" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
+        <attr name="name" type="string" value="cue 18" />
+        <attr name="time" type="numeric" value="18" />
       </item>
-      <item type="PyObject" id="139841948" class="Cue">
+      <item type="PyObject" id="138229964" class="Cue">
+        <attr name="some_attribute" type="numeric" value="3" />
         <attr name="name" type="string" value="cue 19" />
-        <attr name="desc" type="string" value="" />
-        <attr name="page" type="string" value="" />
-        <attr name="sub_levels" type="string" value="red : 1" />
-        <attr name="time" type="string" value="19" />
+        <attr name="time" type="numeric" value="19" />
       </item>
     </val>
   </entry>