aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/linden/indra/llui/llsliderctrl.h
blob: 272dd7ffd32522fb19a954e4edd57c8dc6891056 (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
/** 
 * @file llsliderctrl.h
 * @brief Decorated wrapper for a LLSlider.
 *
 * $LicenseInfo:firstyear=2002&license=viewergpl$
 * 
 * Copyright (c) 2002-2009, 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_LLSLIDERCTRL_H
#define LL_LLSLIDERCTRL_H

#include "lluictrl.h"
#include "v4color.h"
#include "llslider.h"
#include "lltextbox.h"
#include "llrect.h"

//
// Constants
//
const S32	SLIDERCTRL_SPACING		=  4;				// space between label, slider, and text
const S32	SLIDERCTRL_HEIGHT		=  16;


class LLSliderCtrl : public LLUICtrl
{
public:
	LLSliderCtrl(const std::string& name, 
		const LLRect& rect, 
		const std::string& label, 
		const LLFontGL* font,
		S32 slider_left,
		S32 text_left,
		BOOL show_text,
		BOOL can_edit_text,
		BOOL volume, //TODO: create a "volume" slider sub-class or just use image art, no?  -MG
		void (*commit_callback)(LLUICtrl*, void*),
		void* callback_userdata,
		F32 initial_value, F32 min_value, F32 max_value, F32 increment,
		const std::string& control_which = LLStringUtil::null );

	virtual ~LLSliderCtrl() {} // Children all cleaned up by default view destructor.

	virtual LLXMLNodePtr getXML(bool save_children = true) const;
	static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);

	F32				getValueF32() const { return mSlider->getValueF32(); }
	void			setValue(F32 v, BOOL from_event = FALSE);

	virtual void	setValue(const LLSD& value)	{ setValue((F32)value.asReal(), TRUE); }
	virtual LLSD	getValue() const			{ return LLSD(getValueF32()); }
	virtual BOOL	setLabelArg( const std::string& key, const LLStringExplicit& text );

	virtual void	setMinValue(LLSD min_value)	{ setMinValue((F32)min_value.asReal()); }
	virtual void	setMaxValue(LLSD max_value)	{ setMaxValue((F32)max_value.asReal()); }

	BOOL			isMouseHeldDown() const { return mSlider->hasMouseCapture(); }

	virtual void    setEnabled( BOOL b );
	virtual void	clear();
	virtual void	setPrecision(S32 precision);
	void			setMinValue(F32 min_value)  { mSlider->setMinValue(min_value); updateText(); }
	void			setMaxValue(F32 max_value)  { mSlider->setMaxValue(max_value); updateText(); }
	void			setIncrement(F32 increment) { mSlider->setIncrement(increment);}

	F32				getMinValue() { return mSlider->getMinValue(); }
	F32				getMaxValue() { return mSlider->getMaxValue(); }

	void			setLabel(const LLStringExplicit& label)		{ if (mLabelBox) mLabelBox->setText(label); }
	void			setLabelColor(const LLColor4& c)			{ mTextEnabledColor = c; }
	void			setDisabledLabelColor(const LLColor4& c)	{ mTextDisabledColor = c; }

	void			setSliderMouseDownCallback(	void (*slider_mousedown_callback)(LLUICtrl* caller, void* userdata) );
	void			setSliderMouseUpCallback(	void (*slider_mouseup_callback)(LLUICtrl* caller, void* userdata) );

	virtual void	onTabInto();

	virtual void	setTentative(BOOL b);			// marks value as tentative
	virtual void	onCommit();						// mark not tentative, then commit

	virtual void		setControlName(const std::string& control_name, LLView* context)
	{
		LLView::setControlName(control_name, context);
		mSlider->setControlName(control_name, context);
	}

	virtual std::string getControlName() const { return mSlider->getControlName(); }
	
	static void		onSliderCommit(LLUICtrl* caller, void* userdata);
	static void		onSliderMouseDown(LLUICtrl* caller,void* userdata);
	static void		onSliderMouseUp(LLUICtrl* caller,void* userdata);

	static void		onEditorCommit(LLUICtrl* caller, void* userdata);
	static void		onEditorGainFocus(LLFocusableElement* caller, void *userdata);
	static void		onEditorChangeFocus(LLUICtrl* caller, S32 direction, void *userdata);

private:
	void			updateText();
	void			reportInvalidData();

	const LLFontGL*	mFont;
	BOOL			mShowText;
	BOOL			mCanEditText;
	BOOL			mVolumeSlider;
	
	S32				mPrecision;
	LLTextBox*		mLabelBox;
	S32				mLabelWidth;
	
	F32				mValue;
	LLSlider*		mSlider;
	class LLLineEditor*	mEditor;
	LLTextBox*		mTextBox;

	LLColor4		mTextEnabledColor;
	LLColor4		mTextDisabledColor;

	void			(*mSliderMouseUpCallback)( LLUICtrl* ctrl, void* userdata );
	void			(*mSliderMouseDownCallback)( LLUICtrl* ctrl, void* userdata );
};

#endif  // LL_LLSLIDERCTRL_H