summaryrefslogtreecommitdiffstats
path: root/tqtinterface/qt4/src/widgets/tqwidgetresizehandler_p.h
blob: 472f3e36c6a22a191cc8d286f180b1914ce54d91 (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
/****************************************************************************
**
** Definition of the TQWidgetResizeHandler class
**
** Created : 001010
**
** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
**
** This file is part of the workspace module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQWIDGETRESIZEHANDLER_P_H
#define TQWIDGETRESIZEHANDLER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the TQt API.  This header file may
// change from version to version without notice, or even be
// removed.
//
// We mean it.
//
//

#ifndef TQT_H
#include "tqobject.h"
#endif // TQT_H
#ifndef TQT_NO_RESIZEHANDLER
class TQMouseEvent;
class TQKeyEvent;

class TQ_EXPORT TQWidgetResizeHandler : public TQObject
{
    Q_OBJECT
    TQ_OBJECT

public:
    enum Action {
	Move	= 0x01,
	Resize	= 0x02,
	Any	= Move|Resize
    };

    TQWidgetResizeHandler( TQWidget *parent, TQWidget *cw = 0, const char *name = 0 );
    void setActive( bool b ) { setActive( Any, b ); }
    void setActive( Action ac, bool b );
    bool isActive() const { return isActive( Any ); }
    bool isActive( Action ac ) const;
    void setMovingEnabled( bool b ) { moving = b; }
    bool isMovingEnabled() const { return moving; }

    bool isButtonDown() const { return buttonDown; }

    void setExtraHeight( int h ) { extrahei = h; }
    void setSizeProtection( bool b ) { sizeprotect = b; }

    void doResize();
    void doMove();

Q_SIGNALS:
    void activate();

protected:
    bool eventFilter( TQObject *o, TQEvent *e );
    void mouseMoveEvent( TQMouseEvent *e );
    void keyPressEvent( TQKeyEvent *e );

private:
    enum MousePosition {
	Nowhere,
	TopLeft, BottomRight, BottomLeft, TopRight,
	Top, Bottom, Left, Right,
	Center
    };

    TQWidget *widget;
    TQWidget *childWidget;
    TQPoint moveOffset;
    TQPoint invertedMoveOffset;
    MousePosition mode;
    int extrahei;
    int range;
    uint buttonDown	    :1;
    uint moveResizeMode	    :1;
    uint activeForResize    :1;
    uint sizeprotect	    :1;
    uint moving		    :1;
    uint activeForMove	    :1;

    void setMouseCursor( MousePosition m );
    bool isMove() const {
	return moveResizeMode && mode == Center;
    }
    bool isResize() const {
	return moveResizeMode && !isMove();
    }

private:	// Disabled copy constructor and operator=
#if defined(TQ_DISABLE_COPY)
    TQWidgetResizeHandler( const TQWidgetResizeHandler & );
    TQWidgetResizeHandler& operator=( const TQWidgetResizeHandler & );
#endif

};

#endif //TQT_NO_RESIZEHANDLER
#endif