DragMagnifyingGlass Class Reference

A draggable magnification control for the envelope editor. More...

#include <envelope_section.h>

Inheritance diagram for DragMagnifyingGlass:

Classes
class	Listener
	Interface for objects that need to respond to magnification changes. More...

Public Member Functions
	DragMagnifyingGlass ()
	Constructor.
void	mouseDown (const MouseEvent &e) override
void	mouseUp (const MouseEvent &e) override
void	mouseDrag (const MouseEvent &e) override
void	mouseDoubleClick (const MouseEvent &e) override
void	addListener (Listener *listener)
Public Member Functions inherited from OpenGlShapeButton
	OpenGlShapeButton (String name)
OpenGlComponent *	getGlComponent ()
void	setShape (const Path &shape)
void	useOnColors (bool use)
void	resized () override
	Called when the button is resized. Updates the internal image.
void	mouseEnter (const MouseEvent &e) override
void	mouseExit (const MouseEvent &e) override
void	mouseDown (const MouseEvent &e) override
void	mouseUp (const MouseEvent &e) override

Detailed Description

A draggable magnification control for the envelope editor.

The DragMagnifyingGlass is an OpenGlShapeButton shaped like a magnifying glass. Dragging it allows the user to zoom in or out on the envelope editor area. Double-clicking resets the zoom.

Constructor & Destructor Documentation

DragMagnifyingGlass()

DragMagnifyingGlass::DragMagnifyingGlass

(

)

Constructor.

Member Function Documentation

addListener()

void DragMagnifyingGlass::addListener ( Listener * listener )

inline

Adds a listener to respond to drag and double-click events.

Parameters

listener

The listener to add.

mouseDoubleClick()

void DragMagnifyingGlass::mouseDoubleClick ( const MouseEvent & e )

override

Called when the magnifying glass is double-clicked. Notifies listeners to reset zoom.

Parameters

e	The mouse event.

mouseDown()

void DragMagnifyingGlass::mouseDown ( const MouseEvent & e )

override

Called when the mouse button is pressed down. Hides the cursor and enters unbounded movement if possible.

Parameters

e	The mouse event.

mouseDrag()

void DragMagnifyingGlass::mouseDrag ( const MouseEvent & e )

override

Called while the mouse is dragged. Notifies listeners with the movement delta.

Parameters

e	The mouse event.

mouseUp()

void DragMagnifyingGlass::mouseUp ( const MouseEvent & e )

override

Called when the mouse button is released. Restores the cursor and disables unbounded movement if it was enabled.

Parameters

e	The mouse event.

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The documentation for this class was generated from the following files:

• /Users/davidvogel/repos/VitalHelp/src/interface/editor_sections/envelope_section.h
• /Users/davidvogel/repos/VitalHelp/src/interface/editor_sections/envelope_section.cpp