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
186
187
|
/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "menubutton.h"
#include <qpopupmenu.h>
/*!
\class MenuButton menubutton.h
\brief The MenuButton class is a pushbutton with a menu.
Similar in function to a QComboBox.
*/
/*!
\fn void MenuButton::selected(int index)
This signal is emitted when the item at \a index is selected.
*/
/*!
\fn void MenuButton::selected(const QString& text)
This signal is emitted when the item with the given \a text is selected.
*/
/*!
Constructs a MenuButton with the given \a items added (see insertItems()).
The standard \a parent an \a name arguments are passed to the base class.
*/
MenuButton::MenuButton( const QStringList& items, QWidget* parent, const char* name) :
QPushButton(parent,name)
{
init();
insertItems(items);
}
/*!
Constructs an empty MenuButton.
The standard \a parent an \a name arguments are passed to the base class.
\sa insertItems()
*/
MenuButton::MenuButton( QWidget* parent, const char* name) :
QPushButton(parent,name)
{
init();
}
void MenuButton::init()
{
setAutoDefault(FALSE);
pop = new QPopupMenu(this);
nitems=0;
connect(pop, SIGNAL(activated(int)), this, SLOT(select(int)));
setPopup(pop);
//setPopupDelay(0);
}
/*!
Removes all items from the button and menu.
*/
void MenuButton::clear()
{
delete pop;
init();
}
/*!
Inserts string \a items into the menu. The string "--" represents
a separator.
*/
void MenuButton::insertItems( const QStringList& items )
{
QStringList::ConstIterator it=items.begin();
for (; it!=items.end(); ++it) {
if ( (*it) == "--" )
insertSeparator();
else
insertItem(*it);
}
}
/*!
Inserts an \a icon and \a text into the menu.
*/
void MenuButton::insertItem( const QIconSet& icon, const QString& text=QString::null )
{
pop->insertItem(icon, text, nitems++);
if ( nitems==1 ) select(0);
}
/*!
Inserts \a text into the menu.
*/
void MenuButton::insertItem( const QString& text )
{
pop->insertItem(text, nitems++);
if ( nitems==1 ) select(0);
}
/*!
Inserts a visual separator into the menu.
*/
void MenuButton::insertSeparator()
{
pop->insertSeparator();
}
/*!
Selects the items with text \a s.
*/
void MenuButton::select(const QString& s)
{
for (int i=0; i<nitems; i++) {
if ( pop->text(i) == s ) {
select(i);
break;
}
}
}
/*!
Selects the item at index \a s.
*/
void MenuButton::select(int s)
{
cur = s;
updateLabel();
if ( pop->iconSet(cur) )
setIconSet(*pop->iconSet(cur));
emit selected(cur);
emit selected(currentText());
}
/*!
Returns the index of the current item.
*/
int MenuButton::currentItem() const
{
return cur;
}
/*!
Returns the text of the current item.
*/
QString MenuButton::currentText() const
{
return pop->text(cur);
}
/*!
Sets the label. If \a label is empty, the
current item text is displayed, otherwise \a label should contain
"%1", which will be replaced by the current item text.
*/
void MenuButton::setLabel(const QString& label)
{
lab = label;
updateLabel();
}
void MenuButton::updateLabel()
{
QString t = pop->text(cur);
if ( !lab.isEmpty() )
t = lab.arg(t);
setText(t);
}
|
