ZoomableView¶

class ZoomableView

A zoomable layout

Hierarchy

class ZoomableView < class Window

Members

number,number,number zoom,x,y	getzoompos	( )	Get the zoom and display origin of the ZoomableView
nil	setzoompos	( number zoom , number x , number y )	Change the zoom and display origin of the ZoomableView
number,number x,y	tozoomable	( number x , number y )	Transform a couple of window coordinates to the ZoomableView internal coordinates

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Inherited from class Window

nil	addtracker	( table tracker )	Add a tracker to this window. A tracker receives notification when the tracked window is invalidated or destroyed. A tracker may implement onTrackedDestroyed and onTrackedInvalidated to get notifications on such events
nil	destroy	( )	Destroy the window and all its children windows
nil	disable	( )	Disable the window
nil	enable	( )	Enable the window
nil	getchild	( string|number name )	Get a child window
Window container	getcontainer	( )	Get the main container of a window
nil	geth	( )	Get the window height
nil	getparent	( string|nil parentclass )	Get the first parent window of given class (immediate parent if no class is provided)
nil	getroot	( )	Return the root window of this window
nil	getw	( )	Get the window width
nil	getx	( )	Get the window X coordinate in the parent space
nil	gety	( )	Get the window Y coordinate in the parent space
nil	hide	( )	Hide the window
nil	removetracker	( table tracker )	Remove a tracker of this window.
nil	setcolor	( ui.color color )	Change the window color, see also ui.color function
nil	setfocus	( )	Set the focus to the window
nil	seth	( number h , number parentmul , number childadd , number childmul )	Set the window height
nil	settitle	( string name )	Change the window title
nil	settopmost	( )	Set the window as top most in children order
nil	setw	( number w , number parentmul , number childadd , number childmul )	Set the window width
nil	setx	( number x , number parentpivot , number pivot )	Set the X window placement
nil	sety	( number y , number parentpivot , number pivot )	Set the Y window placement
nil	show	( )	Show the window

Documentation

number,number,number zoom,x,y getzoompos ( )

Get the zoom and display origin of the ZoomableView

• zoom,x,y The current zoom and origin of the ZoomableView

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nil setzoompos ( number zoom , number x , number y )

Change the zoom and display origin of the ZoomableView

• zoom the new zoom
• x the X coordinate of the left border of the ZoomableView
• y the Y coordinate of the top border of the ZoomableView

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number,number x,y tozoomable ( number x , number y )

Transform a couple of window coordinates to the ZoomableView internal coordinates

• x The window X coordinate
• y The window Y coordinate

• x,y The input coordinates in ZoomableView space

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