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Mike Goslin
parent
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commit
1a928e113f
@ -1,155 +1,157 @@
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"""PickList module: contains the PickList class"""
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from ShowBaseGlobal import *
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import PandaObject
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import Frame
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import Button
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class PickList(PandaObject.PandaObject):
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"""PickList class: display a menu of choices and report users
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choice (via mouse or keyboard) as an event with the choice as
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an extra argument
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"""
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# special methods
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def __init__(self, name, choiceList):
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self.name = name
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self.frame = Frame.Frame(name)
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# listen for keyboard events
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self.accept("up-up", self.__decrementChoice)
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self.accept("down-up", self.__incrementChoice)
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self.accept("enter-up", self.__makeChoice, [1])
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# initialization
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self.choice = -1
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self.choiceList = []
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self.eventName = self.name
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self.frame.setOffset(0.015)
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# display the menu
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self.__displayChoices(choiceList)
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def cleanup(self):
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"""cleanup(self)
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Remove events and cleanup the display
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"""
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# remove keyboard events
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self.ignore("up-up")
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self.ignore("down-up")
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self.ignore("enter-up")
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# ignore all the buttons
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for item in self.frame.getItems():
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self.ignore(item.getGuiItem().getUpRolloverEvent())
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self.ignore(item.getGuiItem().getUpRolloverEvent())
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self.ignore(item.getGuiItem().getDownRolloverEvent())
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# reset the display
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self.frame.unmanage()
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del(self.frame)
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# accessing
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def getName(self):
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return self.name
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def getEventName(self):
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return self.eventName
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def setEventName(self, eventName):
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self.eventName = eventName
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# actions
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def __displayChoices(self, choiceList):
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"""__displayChoices(self, string[])
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Display the list of choices
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"""
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for choice in choiceList:
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# create a button for each choice
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button = Button.Button(choice)
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choiceIndex = choiceList.index(choice)
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# set the rollover-up event
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eventName = self.name + "-up-" + str(choiceIndex)
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button.button.setUpRolloverEvent(eventName)
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self.accept(eventName, self.__updateButtonChoice, [choiceIndex])
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# set the rollover-down event
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eventName = self.name + "-down-" + str(choiceIndex)
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button.button.setDownRolloverEvent(eventName)
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self.accept(eventName, self.__makeChoice)
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# set exit event
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eventName = self.name + "-exit-" + str(choiceIndex)
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button.button.setUpEvent(eventName)
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self.accept(eventName, self.__exitChoice)
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# keep a list of the choice buttons
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self.frame.addItem(button)
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self.choiceList.append(button)
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# set up the frame
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self.frame.makeWideAsWidest()
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self.frame.makeVertical()
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self.frame.recompute()
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def manage(self):
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self.frame.manage()
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def unmanage(self):
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self.frame.unmanage()
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# event handlers
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def __incrementChoice(self):
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# handle the up arrow
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if (self.choice >= 0):
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# exit lest choice, if it exists
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self.choiceList[self.choice].getGuiItem().exit()
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self.choice = self.choice + 1
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if (self.choice > len(self.choiceList) - 1):
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self.choice = 0
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# enter the new choice
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self.choiceList[self.choice].getGuiItem().enter()
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def __decrementChoice(self):
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# handle the down arrow
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if (self.choice >= 0):
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self.choiceList[self.choice].getGuiItem().exit()
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self.choice = self.choice - 1
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if (self.choice < 0):
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self.choice = len(self.choiceList) - 1
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# enter this choice
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self.choiceList[self.choice].getGuiItem().enter()
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def __updateButtonChoice(self, newChoice):
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# handle the mouse rollovers
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self.choice = newChoice
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# make sure all the other buttons have exited
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for choice in self.choiceList:
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if not (self.choiceList.index(choice) == self.choice):
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choice.getGuiItem().exit()
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def __exitChoice(self):
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# reset choice when mouse exits a button
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self.choice = -1
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def __makeChoice(self, button=0):
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# handle the enter key
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if (self.choice == -1):
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# nothing selected yet
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return None
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else:
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# if the keyboard was used, update the button manually
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if (button):
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self.choiceList[self.choice].getGuiItem().down()
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def buttonUp(state):
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state.choice.getGuiItem().up()
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return Task.done
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task = Task.Task(buttonUp)
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task.choice = self.choiceList[self.choice]
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taskMgr.spawnTaskNamed(Task.doLater(.035, task,
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"buttonUp-Later"),
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"doLater-buttonUp-later")
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# let everyone know a choice was made
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messenger.send(self.eventName, [self.choice])
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"""PickList module: contains the PickList class"""
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from ShowBaseGlobal import *
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import PandaObject
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import Frame
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import Button
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class PickList(PandaObject.PandaObject):
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"""PickList class: display a menu of choices and report users
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choice (via mouse or keyboard) as an event with the choice as
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an extra argument
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"""
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# special methods
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def __init__(self, name, choiceList):
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self.name = name
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self.frame = Frame.Frame(name)
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# listen for keyboard events
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self.accept("up-up", self.__decrementChoice)
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self.accept("down-up", self.__incrementChoice)
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self.accept("enter-up", self.__makeChoice, [1])
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# initialization
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self.choice = -1
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self.choiceList = []
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self.eventName = self.name
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self.frame.setOffset(0.015)
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# display the menu
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self.__displayChoices(choiceList)
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def cleanup(self):
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"""cleanup(self)
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Remove events and cleanup the display
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"""
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# remove keyboard events
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self.ignore("up-up")
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self.ignore("down-up")
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self.ignore("enter-up")
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# ignore all the buttons
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for item in self.frame.getItems():
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self.ignore(item.getGuiItem().getUpRolloverEvent())
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self.ignore(item.getGuiItem().getUpRolloverEvent())
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self.ignore(item.getGuiItem().getDownRolloverEvent())
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# reset the display
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self.frame.unmanage()
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del(self.frame)
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# accessing
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def getName(self):
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return self.name
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def getEventName(self):
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return self.eventName
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def setEventName(self, eventName):
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self.eventName = eventName
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# actions
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def __displayChoices(self, choiceList):
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"""__displayChoices(self, string[])
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Display the list of choices
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"""
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for choice in choiceList:
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# create a button for each choice
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button = Button.Button(choice)
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choiceIndex = choiceList.index(choice)
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# set the rollover-up event
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eventName = self.name + "-up-" + str(choiceIndex)
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button.button.setUpRolloverEvent(eventName)
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self.accept(eventName, self.__updateButtonChoice, [choiceIndex])
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# set the rollover-down event
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eventName = self.name + "-down-" + str(choiceIndex)
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button.button.setDownRolloverEvent(eventName)
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self.accept(eventName, self.__makeChoice)
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# set exit event
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eventName = self.name + "-exit-" + str(choiceIndex)
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button.button.setUpEvent(eventName)
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self.accept(eventName, self.__exitChoice)
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# keep a list of the choice buttons
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self.frame.addItem(button)
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self.choiceList.append(button)
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# set up the frame
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self.frame.makeWideAsWidest()
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self.frame.makeVertical()
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self.frame.recompute()
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def manage(self):
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self.frame.manage()
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def unmanage(self):
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self.frame.unmanage()
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# event handlers
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def __incrementChoice(self):
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# handle the up arrow
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if (self.choice >= 0):
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# exit lest choice, if it exists
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self.choiceList[self.choice].getGuiItem().exit()
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self.choice = self.choice + 1
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if (self.choice > len(self.choiceList) - 1):
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self.choice = 0
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# enter the new choice
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self.choiceList[self.choice].getGuiItem().enter()
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def __decrementChoice(self):
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# handle the down arrow
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if (self.choice >= 0):
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self.choiceList[self.choice].getGuiItem().exit()
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self.choice = self.choice - 1
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if (self.choice < 0):
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self.choice = len(self.choiceList) - 1
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# enter this choice
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self.choiceList[self.choice].getGuiItem().enter()
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def __updateButtonChoice(self, newChoice):
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# handle the mouse rollovers
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self.choice = newChoice
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# make sure all the other buttons have exited
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for choice in self.choiceList:
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if not (self.choiceList.index(choice) == self.choice):
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choice.getGuiItem().exit()
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# throw a rollover event
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messenger.send(self.name + "-rollover")
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def __exitChoice(self):
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# reset choice when mouse exits a button
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self.choice = -1
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def __makeChoice(self, button=0):
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# handle the enter key
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if (self.choice == -1):
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# nothing selected yet
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return None
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else:
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# if the keyboard was used, update the button manually
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if (button):
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self.choiceList[self.choice].getGuiItem().down()
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def buttonUp(state):
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state.choice.getGuiItem().up()
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return Task.done
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task = Task.Task(buttonUp)
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task.choice = self.choiceList[self.choice]
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taskMgr.spawnTaskNamed(Task.doLater(.035, task,
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"buttonUp-Later"),
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"doLater-buttonUp-later")
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# let everyone know a choice was made
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messenger.send(self.eventName, [self.choice])
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