mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-25 04:32:33 -06:00
369 lines
14 KiB
Python
369 lines
14 KiB
Python
"""
|
|
Floater Class: Velocity style controller for floating point values with
|
|
a label, entry (validated), and scale
|
|
"""
|
|
|
|
__all__ = ['Floater', 'FloaterWidget', 'FloaterGroup']
|
|
|
|
from direct.showbase.TkGlobal import *
|
|
from Tkinter import *
|
|
from Valuator import Valuator, VALUATOR_MINI, VALUATOR_FULL
|
|
from direct.task import Task
|
|
import math, sys, string, Pmw
|
|
|
|
FLOATER_WIDTH = 22
|
|
FLOATER_HEIGHT = 18
|
|
|
|
class Floater(Valuator):
|
|
def __init__(self, parent = None, **kw):
|
|
INITOPT = Pmw.INITOPT
|
|
optiondefs = (
|
|
('style', VALUATOR_MINI, INITOPT),
|
|
)
|
|
self.defineoptions(kw, optiondefs)
|
|
# Initialize the superclass
|
|
Valuator.__init__(self, parent)
|
|
self.initialiseoptions(Floater)
|
|
|
|
def createValuator(self):
|
|
self._valuator = self.createcomponent('valuator',
|
|
(('floater', 'valuator'),),
|
|
None,
|
|
FloaterWidget,
|
|
(self.interior(),),
|
|
command = self.setEntry,
|
|
value = self['value'])
|
|
self._valuator._widget.bind('<Double-ButtonPress-1>', self.mouseReset)
|
|
|
|
def packValuator(self):
|
|
# Position components
|
|
if self._label:
|
|
self._label.grid(row=0, column=0, sticky = EW)
|
|
self._entry.grid(row=0, column=1, sticky = EW)
|
|
self._valuator.grid(row=0, column=2, padx = 2, pady = 2)
|
|
self.interior().columnconfigure(0, weight = 1)
|
|
|
|
|
|
class FloaterWidget(Pmw.MegaWidget):
|
|
def __init__(self, parent = None, **kw):
|
|
#define the megawidget options
|
|
INITOPT = Pmw.INITOPT
|
|
optiondefs = (
|
|
# Appearance
|
|
('width', FLOATER_WIDTH, INITOPT),
|
|
('height', FLOATER_HEIGHT, INITOPT),
|
|
('relief', RAISED, self.setRelief),
|
|
('borderwidth', 2, self.setBorderwidth),
|
|
('background', 'grey75', self.setBackground),
|
|
# Behavior
|
|
# Initial value of floater, use self.set to change value
|
|
('value', 0.0, INITOPT),
|
|
('numDigits', 2, self.setNumDigits),
|
|
# Command to execute on floater updates
|
|
('command', None, None),
|
|
# Extra data to be passed to command function
|
|
('commandData', [], None),
|
|
# Callback's to execute during mouse interaction
|
|
('preCallback', None, None),
|
|
('postCallback', None, None),
|
|
# Extra data to be passed to callback function, needs to be a list
|
|
('callbackData', [], None),
|
|
)
|
|
self.defineoptions(kw, optiondefs)
|
|
|
|
# Initialize the superclass
|
|
Pmw.MegaWidget.__init__(self, parent)
|
|
|
|
# Set up some local and instance variables
|
|
# Create the components
|
|
interior = self.interior()
|
|
|
|
# Current value
|
|
self.value = self['value']
|
|
|
|
# The canvas
|
|
width = self['width']
|
|
height = self['height']
|
|
self._widget = self.createcomponent('canvas', (), None,
|
|
Canvas, (interior,),
|
|
width = width,
|
|
height = height,
|
|
background = self['background'],
|
|
highlightthickness = 0,
|
|
scrollregion = (-width/2.0,
|
|
-height/2.0,
|
|
width/2.0,
|
|
height/2.0))
|
|
self._widget.pack(expand = 1, fill = BOTH)
|
|
|
|
# The floater icon
|
|
self._widget.create_polygon(-width/2.0, 0, -2.0, -height/2.0,
|
|
-2.0, height/2.0,
|
|
fill = 'grey50',
|
|
tags = ('floater',))
|
|
self._widget.create_polygon(width/2.0, 0, 2.0, height/2.0,
|
|
2.0, -height/2.0,
|
|
fill = 'grey50',
|
|
tags = ('floater',))
|
|
|
|
# Add event bindings
|
|
self._widget.bind('<ButtonPress-1>', self.mouseDown)
|
|
self._widget.bind('<B1-Motion>', self.updateFloaterSF)
|
|
self._widget.bind('<ButtonRelease-1>', self.mouseUp)
|
|
self._widget.bind('<Enter>', self.highlightWidget)
|
|
self._widget.bind('<Leave>', self.restoreWidget)
|
|
|
|
# Make sure input variables processed
|
|
self.initialiseoptions(FloaterWidget)
|
|
|
|
def set(self, value, fCommand = 1):
|
|
"""
|
|
self.set(value, fCommand = 1)
|
|
Set floater to new value, execute command if fCommand == 1
|
|
"""
|
|
# Send command if any
|
|
if fCommand and (self['command'] != None):
|
|
apply(self['command'], [value] + self['commandData'])
|
|
# Record value
|
|
self.value = value
|
|
|
|
def updateIndicator(self, value):
|
|
# Nothing visible to update on this type of widget
|
|
pass
|
|
|
|
def get(self):
|
|
"""
|
|
self.get()
|
|
Get current floater value
|
|
"""
|
|
return self.value
|
|
|
|
## Canvas callback functions
|
|
# Floater velocity controller
|
|
def mouseDown(self, event):
|
|
""" Begin mouse interaction """
|
|
# Exectute user redefinable callback function (if any)
|
|
self['relief'] = SUNKEN
|
|
if self['preCallback']:
|
|
apply(self['preCallback'], self['callbackData'])
|
|
self.velocitySF = 0.0
|
|
self.updateTask = taskMgr.add(self.updateFloaterTask,
|
|
'updateFloater')
|
|
self.updateTask.lastTime = globalClock.getFrameTime()
|
|
|
|
def updateFloaterTask(self, state):
|
|
"""
|
|
Update floaterWidget value based on current scaleFactor
|
|
Adjust for time to compensate for fluctuating frame rates
|
|
"""
|
|
currT = globalClock.getFrameTime()
|
|
dt = currT - state.lastTime
|
|
self.set(self.value + self.velocitySF * dt)
|
|
state.lastTime = currT
|
|
return Task.cont
|
|
|
|
def updateFloaterSF(self, event):
|
|
"""
|
|
Update velocity scale factor based of mouse distance from origin
|
|
"""
|
|
x = self._widget.canvasx(event.x)
|
|
y = self._widget.canvasy(event.y)
|
|
offset = max(0, abs(x) - Valuator.deadband)
|
|
if offset == 0:
|
|
return 0
|
|
sf = math.pow(Valuator.sfBase,
|
|
self.minExp + offset/Valuator.sfDist)
|
|
if x > 0:
|
|
self.velocitySF = sf
|
|
else:
|
|
self.velocitySF = -sf
|
|
|
|
def mouseUp(self, event):
|
|
taskMgr.remove(self.updateTask)
|
|
self.velocitySF = 0.0
|
|
# Execute user redefinable callback function (if any)
|
|
if self['postCallback']:
|
|
apply(self['postCallback'], self['callbackData'])
|
|
self['relief'] = RAISED
|
|
|
|
def setNumDigits(self):
|
|
"""
|
|
Adjust minimum exponent to use in velocity task based
|
|
upon the number of digits to be displayed in the result
|
|
"""
|
|
self.minExp = math.floor(-self['numDigits']/
|
|
math.log10(Valuator.sfBase))
|
|
|
|
# Methods to modify floater characteristics
|
|
def setRelief(self):
|
|
self.interior()['relief'] = self['relief']
|
|
|
|
def setBorderwidth(self):
|
|
self.interior()['borderwidth'] = self['borderwidth']
|
|
|
|
def setBackground(self):
|
|
self._widget['background'] = self['background']
|
|
|
|
def highlightWidget(self, event):
|
|
self._widget.itemconfigure('floater', fill = 'black')
|
|
|
|
def restoreWidget(self, event):
|
|
self._widget.itemconfigure('floater', fill = 'grey50')
|
|
|
|
|
|
class FloaterGroup(Pmw.MegaToplevel):
|
|
def __init__(self, parent = None, **kw):
|
|
|
|
# Default group size
|
|
DEFAULT_DIM = 1
|
|
# Default value depends on *actual* group size, test for user input
|
|
DEFAULT_VALUE = [0.0] * kw.get('dim', DEFAULT_DIM)
|
|
DEFAULT_LABELS = ['v[%d]' % x for x in range(kw.get('dim', DEFAULT_DIM))]
|
|
|
|
#define the megawidget options
|
|
INITOPT = Pmw.INITOPT
|
|
optiondefs = (
|
|
('dim', DEFAULT_DIM, INITOPT),
|
|
('side', TOP, INITOPT),
|
|
('title', 'Floater Group', None),
|
|
# A tuple of initial values, one for each floater
|
|
('value', DEFAULT_VALUE, INITOPT),
|
|
# The command to be executed any time one of the floaters is updated
|
|
('command', None, None),
|
|
# A tuple of labels, one for each floater
|
|
('labels', DEFAULT_LABELS, self._updateLabels),
|
|
)
|
|
self.defineoptions(kw, optiondefs)
|
|
|
|
# Initialize the toplevel widget
|
|
Pmw.MegaToplevel.__init__(self, parent)
|
|
|
|
# Create the components
|
|
interior = self.interior()
|
|
# Get a copy of the initial value (making sure its a list)
|
|
self._value = list(self['value'])
|
|
|
|
# The Menu Bar
|
|
self.balloon = Pmw.Balloon()
|
|
menubar = self.createcomponent('menubar', (), None,
|
|
Pmw.MenuBar, (interior,),
|
|
balloon = self.balloon)
|
|
menubar.pack(fill=X)
|
|
|
|
# FloaterGroup Menu
|
|
menubar.addmenu('Floater Group', 'Floater Group Operations')
|
|
menubar.addmenuitem(
|
|
'Floater Group', 'command', 'Reset the Floater Group panel',
|
|
label = 'Reset',
|
|
command = lambda s = self: s.reset())
|
|
menubar.addmenuitem(
|
|
'Floater Group', 'command', 'Dismiss Floater Group panel',
|
|
label = 'Dismiss', command = self.withdraw)
|
|
|
|
menubar.addmenu('Help', 'Floater Group Help Operations')
|
|
self.toggleBalloonVar = IntVar()
|
|
self.toggleBalloonVar.set(0)
|
|
menubar.addmenuitem('Help', 'checkbutton',
|
|
'Toggle balloon help',
|
|
label = 'Balloon Help',
|
|
variable = self.toggleBalloonVar,
|
|
command = self.toggleBalloon)
|
|
|
|
self.floaterList = []
|
|
for index in range(self['dim']):
|
|
# Add a group alias so you can configure the floaters via:
|
|
# fg.configure(Valuator_XXX = YYY)
|
|
f = self.createcomponent(
|
|
'floater%d' % index, (), 'Valuator', Floater,
|
|
(interior,), value = self._value[index],
|
|
text = self['labels'][index])
|
|
# Do this separately so command doesn't get executed during construction
|
|
f['command'] = lambda val, s=self, i=index: s._floaterSetAt(i, val)
|
|
f.pack(side = self['side'], expand = 1, fill = X)
|
|
self.floaterList.append(f)
|
|
|
|
# Make sure floaters are initialized
|
|
self.set(self['value'])
|
|
|
|
# Make sure input variables processed
|
|
self.initialiseoptions(FloaterGroup)
|
|
|
|
def _updateLabels(self):
|
|
if self['labels']:
|
|
for index in range(self['dim']):
|
|
self.floaterList[index]['text'] = self['labels'][index]
|
|
|
|
def toggleBalloon(self):
|
|
if self.toggleBalloonVar.get():
|
|
self.balloon.configure(state = 'balloon')
|
|
else:
|
|
self.balloon.configure(state = 'none')
|
|
|
|
def get(self):
|
|
return self._value
|
|
|
|
def getAt(self, index):
|
|
return self._value[index]
|
|
|
|
# This is the command is used to set the groups value
|
|
def set(self, value, fCommand = 1):
|
|
for i in range(self['dim']):
|
|
self._value[i] = value[i]
|
|
# Update floater, but don't execute its command
|
|
self.floaterList[i].set(value[i], 0)
|
|
if fCommand and (self['command'] is not None):
|
|
self['command'](self._value)
|
|
|
|
def setAt(self, index, value):
|
|
# Update floater and execute its command
|
|
self.floaterList[index].set(value)
|
|
|
|
# This is the command used by the floater
|
|
def _floaterSetAt(self, index, value):
|
|
self._value[index] = value
|
|
if self['command']:
|
|
self['command'](self._value)
|
|
|
|
def reset(self):
|
|
self.set(self['value'])
|
|
|
|
|
|
## SAMPLE CODE
|
|
if __name__ == '__main__':
|
|
# Initialise Tkinter and Pmw.
|
|
root = Toplevel()
|
|
root.title('Pmw Floater demonstration')
|
|
|
|
# Dummy command
|
|
def printVal(val):
|
|
print val
|
|
|
|
# Create and pack a Floater megawidget.
|
|
mega1 = Floater(root, command = printVal)
|
|
mega1.pack(side = 'left', expand = 1, fill = 'x')
|
|
|
|
"""
|
|
# These are things you can set/configure
|
|
# Starting value for floater
|
|
mega1['value'] = 123.456
|
|
mega1['text'] = 'Drive delta X'
|
|
# To change the color of the label:
|
|
mega1.label['foreground'] = 'Red'
|
|
# Max change/update, default is 100
|
|
# To have really fine control, for example
|
|
# mega1['maxVelocity'] = 0.1
|
|
# Number of digits to the right of the decimal point, default = 2
|
|
# mega1['numDigits'] = 5
|
|
"""
|
|
|
|
# To create a floater group to set an RGBA value:
|
|
group1 = FloaterGroup(root, dim = 4,
|
|
title = 'Simple RGBA Panel',
|
|
labels = ('R', 'G', 'B', 'A'),
|
|
Valuator_min = 0.0,
|
|
Valuator_max = 255.0,
|
|
Valuator_resolution = 1.0,
|
|
command = printVal)
|
|
|
|
# Uncomment this if you aren't running in IDLE
|
|
#root.mainloop()
|