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/**
* @file lltooltip.h
* @brief LLToolTipMgr class definition and related classes
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* 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_LLTOOLTIP_H
#define LL_LLTOOLTIP_H
// Library includes
#include "llsingleton.h"
#include "llinitparam.h"
#include "llpanel.h"
//
// Classes
//
class LLToolTipView : public LLView
{
public:
struct Params : public LLInitParam::Block<Params, LLView::Params>
{
Params();
};
LLToolTipView(const LLToolTipView::Params&);
/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
/*virtual*/ BOOL handleMiddleMouseDown(S32 x, S32 y, MASK mask);
/*virtual*/ BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
/*virtual*/ BOOL handleScrollWheel( S32 x, S32 y, S32 clicks );
/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask);
void drawStickyRect();
/*virtual*/ void draw();
};
class LLToolTip : public LLPanel
{
public:
struct Params : public LLInitParam::Block<Params, LLPanel::Params>
{
typedef boost::function<void(void)> click_callback_t;
Mandatory<std::string> message;
Optional<LLCoordGL> pos;
Optional<F32> delay_time,
visible_time_over, // time for which tooltip is visible while mouse on it
visible_time_near, // time for which tooltip is visible while mouse near it
visible_time_far; // time for which tooltip is visible while mouse moved away
Optional<LLRect> sticky_rect;
Optional<const LLFontGL*> font;
Optional<click_callback_t> click_callback;
Optional<LLUIImage*> image;
Optional<S32> max_width;
Optional<S32> padding;
Params();
};
/*virtual*/ void draw();
/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ void setVisible(BOOL visible);
bool isFading();
F32 getVisibleTime();
bool hasClickCallback();
LLToolTip(const Params& p);
private:
class LLTextBox* mTextBox;
LLFrameTimer mFadeTimer;
LLFrameTimer mVisibleTimer;
S32 mMaxWidth;
bool mHasClickCallback;
S32 mPadding; // pixels
};
class LLToolTipMgr : public LLSingleton<LLToolTipMgr>
{
LOG_CLASS(LLToolTipMgr);
public:
LLToolTipMgr();
void show(const LLToolTip::Params& params);
void show(const std::string& message);
void unblockToolTips();
void blockToolTips();
void hideToolTips();
bool toolTipVisible();
LLRect getToolTipRect();
LLRect getMouseNearRect();
void updateToolTipVisibility();
private:
void createToolTip(const LLToolTip::Params& params);
bool mToolTipsBlocked;
class LLToolTip* mToolTip;
// tooltip creation is deferred until the UI is drawn every frame
// so the last tooltip to be created in a given frame will win
LLToolTip::Params mLastToolTipParams; // description of last tooltip we showed
LLToolTip::Params mNextToolTipParams; // description of next tooltip we want to show
bool mNeedsToolTip; // do we want to show a tooltip
LLRect mMouseNearRect;
};
//
// Globals
//
extern LLToolTipView *gToolTipView;
#endif
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