summaryrefslogtreecommitdiff
path: root/indra/llui/lltooltip.h
blob: 8515504e3b7e3afdab1726b0d2ec08f42c796f71 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/**
 * @file lltooltip.h
 * @brief LLToolTipMgr class definition and related classes
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLTOOLTIP_H
#define LL_LLTOOLTIP_H

// Library includes
#include "llsingleton.h"
#include "llinitparam.h"
#include "llpanel.h"
#include "llstyle.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 );

    void drawStickyRect();

    /*virtual*/ void draw();
};

class LLToolTip : public LLPanel
{
public:

    struct StyledText : public LLInitParam::Block<StyledText>
    {
        Mandatory<std::string>      text;
        Optional<LLStyle::Params>   style;
    };

    struct Params : public LLInitParam::Block<Params, LLPanel::Params>
    {
        typedef boost::function<void(void)> click_callback_t;
        typedef boost::function<LLToolTip*(LLToolTip::Params)> create_callback_t;

        Optional<std::string>       message;
        Multiple<StyledText>        styled_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<LLUIImage*>        image;
        Optional<LLUIColor>         text_color;
        Optional<bool>              time_based_media,
                                    web_based_media,
                                    media_playing;
        Optional<create_callback_t> create_callback;
        Optional<LLSD>              create_params;
        Optional<click_callback_t>  click_callback,
                                    click_playmedia_callback,
                                    click_homepage_callback;
        Optional<S32>               max_width,
                                    padding;
        Optional<bool>              wrap;

        Optional<bool> allow_paste_tooltip;

        Params();
    };
    /*virtual*/ void draw();
    /*virtual*/ bool handleHover(S32 x, S32 y, MASK mask);
    /*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask);
    /*virtual*/ void setVisible(bool visible);

    bool isFading();
    F32 getVisibleTime();
    bool hasClickCallback();

    LLToolTip(const Params& p);
    virtual void initFromParams(const LLToolTip::Params& params);

    void getToolTipMessage(std::string & message);
    bool isTooltipPastable() { return mIsTooltipPastable; }

protected:
    void updateTextBox();
    void snapToChildren();

protected:
    class LLTextBox*    mTextBox;
    class LLButton*     mInfoButton;
    class LLButton*     mPlayMediaButton;
    class LLButton*     mHomePageButton;

    LLFrameTimer    mFadeTimer;
    LLFrameTimer    mVisibleTimer;
    bool            mHasClickCallback;
    S32             mPadding;   // pixels
    S32             mMaxWidth;

    bool mIsTooltipPastable;
};

// used for the inspector tooltips which need different background images etc.
class LLInspector : public LLToolTip
{
public:
    struct Params : public LLInitParam::Block<Params, LLToolTip::Params>
    {};
};

class LLToolTipMgr : public LLSingleton<LLToolTipMgr>
{
    LLSINGLETON(LLToolTipMgr);
    LOG_CLASS(LLToolTipMgr);

public:
    void show(const LLToolTip::Params& params);
    void show(const std::string& message, bool allow_paste_tooltip = false);

    void unblockToolTips();
    void blockToolTips();

    void hideToolTips();
    bool toolTipVisible();
    LLRect getToolTipRect();
    LLRect getMouseNearRect();
    void updateToolTipVisibility();

    void getToolTipMessage(std::string & message);
    bool isTooltipPastable();

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