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When a PluggableListMorph is in focus, type in a letter (or several
letters quickly) to go to the next item that begins with that letter.
Special keys (up, down, home, etc.) are also supported.

	drag and drop
	acceptDroppingMorph:event: potentialDropMorph potentialDropMorph: resetPotentialDropMorph startDrag: wantsDroppedMorph:event:

	drawing
	drawOn: highlightSelection superDrawOn: unhighlightSelection

	events
	doubleClick: handleMouseMove: handlesBasicKeys handlesKeyboard: handlesMouseOverDragging: keyStroke: keyboardFocusChange: mouseDown: mouseEnter: mouseEnterDragging: mouseLeave: mouseLeaveDragging: mouseMove: mouseUp: wantsKeyboardFocusFor:

	geometry
	scrollDeltaHeight

	initialization
	autoDeselect: doubleClickSelector: font font: getListSelector: initForKeystrokes installModelIn: keystrokeActionSelector: list: listItemHeight on:list:selected:changeSelected:menu:keystroke:

	menu
	getMenu:

	menus
	addCustomMenuItems:hand: setListFont

	model access
	allSubmorphNamesDo: basicKeyPressed: changeModelSelection: commandKeyTypedIntoMenu: getCurrentSelectionIndex getList modifierKeyPressed: specialKeyPressed:

	object fileIn

	obsolete
	doubleClick:onItem: mouseDown:onItem: mouseEnterDragging:onItem: mouseLeaveDragging:onItem: mouseUp:onItem: removeObsoleteEventHandlers startDrag:onItem:

	selection
	getListSelector maximumSelection minimumSelection numSelectionsInView selectedMorph: selection selection: selectionIndex: setGetListSelector: setSelectedMorph:

	updating
	update: verifyContents

	instance creation
	on:list:selected:changeSelected: on:list:selected:changeSelected:menu: on:list:selected:changeSelected:menu:keystroke:

	accessing	top
	highlightSelector
	highlightSelector:
	itemFromPoint: Return the list element (morph) at the given point or nil if outside

	drag and drop	top
	acceptDroppingMorph:event: This message is sent when a morph is dropped onto a morph that has agreed to accept the dropped morph by responding 'true' to the wantsDroppedMorph:Event: message. The default implementation just adds the given morph to the receiver.
	potentialDropMorph
	potentialDropMorph:
	resetPotentialDropMorph
	startDrag: Handle a double-click event. This message is only sent to clients that request it by sending #waitForClicksOrDrag:event: to the initiating hand in their mouseDown: method. This default implementation does nothing.
	wantsDroppedMorph:event: Return true if the receiver wishes to accept the given morph, which is being dropped by a hand in response to the given event. Note that for a successful drop operation both parties need to agree. The symmetric check is done automatically via aMorph wantsToBeDroppedInto: self.

	drawing	top
	drawOn: Draw the list on the canvas, and possibly also draw frame feedback
	highlightSelection
	superDrawOn:
	unhighlightSelection

	events	top
	doubleClick: Handle a double-click event. This message is only sent to clients that request it by sending #waitForClicksOrDrag:event: to the initiating hand in their mouseDown: method. This default implementation does nothing. LC 2/14/2000 08:32 - added: EventHandler notification
	handleMouseMove: Reimplemented because we really want #mouseMove when a morph is dragged around
	handlesBasicKeys if ya don't want the list to automatically handle non-modifier key (excluding shift key) input, return false
	handlesKeyboard: Return true if the receiver wishes to handle the given keyboard event
	handlesMouseOverDragging: Return true if I want to receive mouseEnterDragging: and mouseLeaveDragging: when the hand drags something over me (button up or button down), or when the mouse button is down but there is no mouseDown recipient. The default response is false, except if you have added sensitivity to mouseEnterLaden: or mouseLeaveLaden:, using the on:send:to: mechanism.
	keyStroke: Process keys specialKeys are things like up, down, etc. ALWAYS HANDLED modifierKeys are regular characters either 1) accompanied with ctrl, cmd or 2) any character if the list doesn't want to handle basic keys (handlesBasicKeys returns false) basicKeys are any characters
	keyboardFocusChange: The message is sent to a morph when its keyboard focus change. The given argument indicates that the receiver is gaining (versus losing) the keyboard focus
	mouseDown: Handle a mouse down event. The default response is to let my eventHandler, if any, handle it.
	mouseEnter: Handle a mouseEnter event, meaning the mouse just entered my bounds with no button pressed. The default response is to let my eventHandler, if any, handle it.
	mouseEnterDragging: Handle a mouseEnterDragging event, meaning the mouse just entered my bounds with a button pressed or laden with submorphs. The default response is to let my eventHandler, if any, handle it, or else to do nothing.
	mouseLeave: The mouse has left the area of the receiver
	mouseLeaveDragging: Handle a mouseLeaveLaden event, meaning the mouse just left my bounds with a button pressed or laden with submorphs. The default response is to let my eventHandler, if any, handle it; else to do nothing.
	mouseMove: If pane is not full, pass the event to the last submorph, assuming it is the most appropriate recipient (!).
	mouseUp: The mouse came up within the list; take appropriate action
	wantsKeyboardFocusFor: Answer whether a plain mouse click on aSubmorph, a text-edit-capable thing, should result in a text selection there

	geometry	top
	scrollDeltaHeight Return the increment in pixels which this pane should be scrolled.

	initialization	top
	autoDeselect: Enable/disable autoDeselect (see class comment)
	doubleClickSelector:
	font
	font:
	getListSelector: Set the receiver's getListSelector as indicated, and trigger a recomputation of the list
	initForKeystrokes
	installModelIn: No special inits for new components
	keystrokeActionSelector: Set the keystroke action selector as specified
	list: Set the receiver's list as specified
	listItemHeight This should be cleaned up. The list should get spaced by this parameter.
	on:list:selected:changeSelected:menu:keystroke:

	menu	top
	getMenu: Answer the menu for this text view, supplying an empty menu to be filled in. If the menu selector takes an extra argument, pass in the current state of the shift key.

	menus	top
	addCustomMenuItems:hand: Add halo menu items to be handled by the invoking hand. The halo menu is invoked by clicking on the menu-handle of the receiver's halo.
	setListFont set the font for the list

	model access	top
	allSubmorphNamesDo: Assume list morphs do not have named parts -- saves MUCH time
	basicKeyPressed:
	changeModelSelection: Change the model's selected item index to be anInteger.
	commandKeyTypedIntoMenu: The user typed a command-key into a menu which has me as its command-key handler
	getCurrentSelectionIndex Answer the index of the current selection.
	getList Answer the list to be displayed.
	modifierKeyPressed:
	specialKeyPressed: A special key with the given ascii-value was pressed; dispatch it

object fileIn

top

	obsolete	top
	doubleClick:onItem:
	mouseDown:onItem:
	mouseEnterDragging:onItem:
	mouseLeaveDragging:onItem:
	mouseUp:onItem:
	removeObsoleteEventHandlers
	startDrag:onItem:

	selection	top
	getListSelector
	maximumSelection
	minimumSelection
	numSelectionsInView
	selectedMorph:
	selection
	selection: Called from outside to request setting a new selection. Assumes scroller submorphs is exactly our list. Note: won't work right if list includes repeated items
	selectionIndex: Called internally to select the index-th item.
	setGetListSelector: Set the the receiver's getListSelector as indicated. For access via scripting
	setSelectedMorph:

	updating	top
	update: Refer to the comment in View|update:.
	verifyContents Verify the contents of the receiver, reconstituting if necessary. Called whenever window is reactivated, to react to possible structural changes. Also called periodically in morphic if the smartUpdating preference is true

	instance creation	top
	on:list:selected:changeSelected: Create a 'pluggable' list view on the given model parameterized by the given message selectors. See ListView>>aboutPluggability comment.
	on:list:selected:changeSelected:menu: Create a 'pluggable' list view on the given model parameterized by the given message selectors. See ListView>>aboutPluggability comment.
	on:list:selected:changeSelected:menu:keystroke: Create a 'pluggable' list view on the given model parameterized by the given message selectors. See ListView>>aboutPluggability comment.