aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/linden/indra/llui/llresizehandle.h
blob: 863ce70fc906a0ba297284df78400e341edfb846 (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
/** 
 * @file llresizehandle.h
 * @brief LLResizeHandle base class
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2008, 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_RESIZEHANDLE_H
#define LL_RESIZEHANDLE_H

#include "stdtypes.h"
#include "llview.h"
#include "llimagegl.h"
#include "llcoord.h"


class LLResizeHandle : public LLView
{
public:
	enum ECorner { LEFT_TOP, LEFT_BOTTOM, RIGHT_TOP, RIGHT_BOTTOM };

	
	LLResizeHandle(const LLString& name, const LLRect& rect, S32 min_width, S32 min_height, ECorner corner = RIGHT_BOTTOM );

	virtual EWidgetType getWidgetType() const;
	virtual LLString getWidgetTag() const;

	virtual void	draw();
	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);

	void			setResizeLimits( S32 min_width, S32 min_height ) { mMinWidth = min_width; mMinHeight = min_height; }

protected:
	BOOL			pointInHandle( S32 x, S32 y );

protected:
	S32				mDragLastScreenX;
	S32				mDragLastScreenY;
	S32				mLastMouseScreenX;
	S32				mLastMouseScreenY;
	LLCoordGL		mLastMouseDir;
	LLPointer<LLImageGL>	mImage;
	S32				mMinWidth;
	S32				mMinHeight;
	ECorner			mCorner;
};

const S32 RESIZE_HANDLE_HEIGHT = 16;
const S32 RESIZE_HANDLE_WIDTH = 16;

#endif  // LL_RESIZEHANDLE_H