SSExtendMouseProc Class Reference

Search for all occurrences

#include <splshape.h>

Inheritance diagram for SSExtendMouseProc:

List of all members.

Public Member Functions
	SSExtendMouseProc (SplineShape *spl, IObjParam *i)
int	proc (HWND hwnd, int msg, int point, int flags, IPoint2 m)
	Called to handle the mouse event processing whenever a mouse event happens.
int	override (int mode)
	Override the default drag mode.
Protected Member Functions
HCURSOR	GetTransformCursor ()
BOOL	HitTest (ViewExp *vpt, IPoint2 *p, int type, int flags)
BOOL	AnyHits (ViewExp *vpt)

---

Constructor & Destructor Documentation

SSExtendMouseProc	(	SplineShape *	spl,
		IObjParam *	i
	)		[inline]

{ ss=spl; ip=i; }

---

Member Function Documentation

HCURSOR GetTransformCursor

(

)

[protected]

Search for all occurrences

BOOL HitTest	(	ViewExp *	vpt,
		IPoint2 *	p,
		int	type,
		int	flags
	)		[protected]

Search for all occurrences

BOOL AnyHits

(

ViewExp *

vpt

)

[inline, protected]

Search for all occurrences

{ return vpt->NumSubObjHits(); }        

int proc	(	HWND	hwnd,
		int	msg,
		int	point,
		int	flags,
		IPoint2	m
	)		[virtual]

Search for all occurrences

Called to handle the mouse event processing whenever a mouse event happens.

Parameters:

hwnd	The window handle of the window in which the user has clicked. It is one of the viewports to which an interface can be obtained from the system. To get such interface, the window handle should be passes to the functions Interface::GetViewport() as the input. Developers should call Interface::ReleaseViewport() once they are done with the viewport interface.
msg	This message describes the type of event that occurred. See Mouse Call Back Flags.
point	The point number. this is 0 for the first click, 1 for the second, etc.
flags	These flags describe the state of the mouse buttons. See Mouse Call Back Flags.
m	The 2D screen point on which that the user has clicked. Methods in the viewport interface allow this point to be converted into a world space ray or a 3D view space point. A world space ray can be intersected with the active construction plane which results in a point on the active construction plane. See Class ViewExp.

Returns:

TRUE, indicating the proc should continue to process points; or FALSE, meaning to stop processing points. If a plug-in supplied a large number of points in a command mode that uses this mouse proc, FALSE can be returned to abort the processing before all the points have been entered.

Reimplemented from MouseCallBack.

int override

(

int

mode

)

[inline, virtual]

Search for all occurrences

Override the default drag mode.

Most plug-ins will not need to replace the default implementation of this method. This function changes the way the messages are sent based on the sequence of mouse inputs by the user. The normal flow of the messages is described as follows: First the user clicks the mouse button and a MOUSE_POINT message is generated. The user then drags the mouse with the button down, resulting in a series of MOUSE_MOVE messages to be sent. When the user releases the mouse button, a MOUSE_POINT messages is generated. Then the mouse is moved again, resulting in a new series of MOUSE_MOVE messages to be sent again. Unlike the first time, when the user clicks the mouse button here, a point message is NOT generated at this point until the button is released. All future points are then only sent after the mouse button has been pressed and released. The default implementation is { return mode; }, and a sample program using the override method (using CLICK_DOWN_POINT) can be found in /MAXSDK/SAMPLES/OBJECTS/SPLINE.CPP.

Parameters:

mode	The current drag mode from the list Mouse Drag Modes.

Returns:

The given mouse drag mode.

Reimplemented from MouseCallBack.

{ UNUSED_PARAM(mode); return CLICK_DOWN_POINT; }