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
|
// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
/* This file is part of the KDE project
Copyright (C) 2005 Thomas Zander <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; version 2.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __rotationdialogimpl_h__
#define __rotationdialogimpl_h__
#include <qlabel.h>
#include <kdialogbase.h>
class KPrTextPreview;
class RotationPropertyUI;
class QObject;
class QEvent;
class KPrCircleGroup;
/**
* A dialog that lets the user interactively choose an angle for rotation.
*/
class KPrRotationDialogImpl : public KDialogBase
{
Q_OBJECT
public:
KPrRotationDialogImpl( QWidget *parent, const char* name = 0 );
~KPrRotationDialogImpl() {}
void setAngle( double angle );
double angle();
protected slots:
void angleChanged( double );
void angleMode( int );
void slotOk();
protected:
KPrTextPreview *m_preview;
RotationPropertyUI *m_dialog;
KPrCircleGroup *m_angleGroup;
private:
bool noSignals;
};
/**
* A toggle-button like widget that shows one pixmap when it is checked,
* and another when it is unselected.
*/
class KPrCircleToggle : public QLabel
{
Q_OBJECT
public:
/**
* Constructor.
* @param parent the parent widget, as required by Qt.
* @param image the named image that we will use. "rotate/" is
* prepended and "dn" is appended for the checked state.
* @param id the id that will be used in the clicked signal
*/
KPrCircleToggle(QWidget *parent, const QString &image, int id);
/// return the id which is passed in the constructor
int id() { return m_id; }
signals:
/// this signal will be emitted whenever the button becomes checked
void clicked(int id);
public slots:
/**
* Check or uncheck the button. On change the toggle will emit the clicked signal.
* @param on the new state of the button.
*/
void setChecked(bool on);
protected:
/// overwritten method from QWidget.
void mousePressEvent ( QMouseEvent * e );
private:
QPixmap m_on, m_off;
bool m_selected;
int m_id;
};
/**
* A button-group equivalent for a set of KPrCircleToggle classes.
*/
class KPrCircleGroup : public QFrame
{
Q_OBJECT
public:
/**
* Constructor.
* @param parent the parent widget, as required by Qt.
*/
KPrCircleGroup(QWidget *parent);
/**
* Set the angle the group is currently representing. If there is a child button
* that registred itself (using add()) with an ID that matches the argument angle
* that button will be checked. All other buttons will be disabled.
* @param angle the new angle to be represented by this circle
*/
void setAngle(int angle);
/**
* Add a KPrCircleToggle button as one of the representers of this circle.
* @param button the button
*/
void add(KPrCircleToggle *button);
signals:
/// clicked will be emitted when one of the child buttons is clicked.
void clicked(int id);
private slots:
void selectionChanged(int buttonId);
private:
QPtrList<KPrCircleToggle> m_buttons;
bool noSignals;
};
#endif
|
