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/**
* @file lljoystickbutton.h
* @brief LLJoystick class definition
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLJOYSTICKBUTTON_H
#define LL_LLJOYSTICKBUTTON_H
#include "llbutton.h"
#include "llcoord.h"
#include "llviewerimage.h"
typedef enum e_joystick_quadrant
{
JQ_ORIGIN,
JQ_UP,
JQ_DOWN,
JQ_LEFT,
JQ_RIGHT
} EJoystickQuadrant;
class LLJoystick
: public LLButton
{
public:
LLJoystick(const std::string& name, LLRect rect, const std::string &default_image, const std::string &selected_image, EJoystickQuadrant initial);
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual void onMouseUp() {}
virtual void onHeldDown() = 0;
F32 getElapsedHeldDownTime();
static void onHeldDown(void *userdata); // called by llbutton callback handler
void setInitialQuadrant(EJoystickQuadrant initial) { mInitialQuadrant = initial; };
virtual LLXMLNodePtr getXML(bool save_children = true) const;
static std::string nameFromQuadrant(const EJoystickQuadrant quadrant);
static EJoystickQuadrant quadrantFromName(const std::string& name);
static EJoystickQuadrant selectQuadrant(LLXMLNodePtr node);
protected:
virtual void updateSlop(); // recompute slop margins
protected:
EJoystickQuadrant mInitialQuadrant; // mousedown = click in this quadrant
LLCoordGL mInitialOffset; // pretend mouse started here
LLCoordGL mLastMouse; // where was mouse on last hover event
LLCoordGL mFirstMouse; // when mouse clicked, where was it
S32 mVertSlopNear; // where the slop regions end
S32 mVertSlopFar; // where the slop regions end
S32 mHorizSlopNear; // where the slop regions end
S32 mHorizSlopFar; // where the slop regions end
BOOL mHeldDown;
LLFrameTimer mHeldDownTimer;
};
// Turn agent left and right, move forward and back
class LLJoystickAgentTurn
: public LLJoystick
{
public:
LLJoystickAgentTurn(const std::string& name, LLRect rect, const std::string &default_image, const std::string &selected_image, EJoystickQuadrant initial)
: LLJoystick(name, rect, default_image, selected_image, initial)
{ }
virtual void onHeldDown();
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
};
// Slide left and right, move forward and back
class LLJoystickAgentSlide
: public LLJoystick
{
public:
LLJoystickAgentSlide(const std::string& name, LLRect rect, const std::string &default_image, const std::string &selected_image, EJoystickQuadrant initial)
: LLJoystick(name, rect, default_image, selected_image, initial)
{ }
virtual void onHeldDown();
virtual void onMouseUp();
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
};
// Rotate camera around the focus point
class LLJoystickCameraRotate
: public LLJoystick
{
public:
LLJoystickCameraRotate(const std::string& name, LLRect rect, const std::string &out_img, const std::string &in_img);
virtual void setToggleState( BOOL left, BOOL top, BOOL right, BOOL bottom );
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual void onHeldDown();
virtual void draw();
protected:
F32 getOrbitRate();
virtual void updateSlop();
void drawRotatedImage( LLImageGL* image, S32 rotations );
protected:
BOOL mInLeft;
BOOL mInTop;
BOOL mInRight;
BOOL mInBottom;
};
// Track the camera focus point forward/backward and side to side
class LLJoystickCameraTrack
: public LLJoystickCameraRotate
{
public:
LLJoystickCameraTrack(const std::string& name, LLRect rect, const std::string &out_img, const std::string &in_img)
: LLJoystickCameraRotate(name, rect, out_img, in_img)
{ }
virtual void onHeldDown();
};
// Zoom the camera in and out
class LLJoystickCameraZoom
: public LLJoystick
{
public:
LLJoystickCameraZoom(const std::string& name, LLRect rect, const std::string &out_img, const std::string &plus_in_img, const std::string &minus_in_img);
virtual void setToggleState( BOOL top, BOOL bottom );
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual void onHeldDown();
virtual void draw();
protected:
virtual void updateSlop();
F32 getOrbitRate();
protected:
BOOL mInTop;
BOOL mInBottom;
LLUIImagePtr mPlusInImage;
LLUIImagePtr mMinusInImage;
};
#endif // LL_LLJOYSTICKBUTTON_H
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