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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickmenuitem_p.h"
#include "qquickmenuitem_p_p.h"
#include "qquickmenu_p.h"
#include "qquickdeferredexecute_p_p.h"
#include <QtGui/qpa/qplatformtheme.h>
#include <QtQuick/private/qquickevents_p_p.h>
QT_BEGIN_NAMESPACE
/*!
\qmltype MenuItem
\inherits AbstractButton
//! \instantiates QQuickMenuItem
\inqmlmodule QtQuick.Controls
\since 5.7
\ingroup qtquickcontrols-menus
\brief Presents an item within a Menu.
MenuItem is a convenience type that implements the AbstractButton API,
providing a familiar way to respond to menu items being \l triggered, for
example.
MenuItem inherits its API from AbstractButton. For instance, you can set
\l {AbstractButton::text}{text} and \l {Icons in Qt Quick Controls}{icon}
using the AbstractButton API.
\code
Button {
id: fileButton
text: "File"
onClicked: menu.open()
Menu {
id: menu
MenuItem {
text: "New..."
onTriggered: document.reset()
}
MenuItem {
text: "Open..."
onTriggered: openDialog.open()
}
MenuItem {
text: "Save"
onTriggered: saveDialog.open()
}
}
}
\endcode
\sa {Customizing Menu}, Menu, {Menu Controls}
*/
void QQuickMenuItemPrivate::setMenu(QQuickMenu *newMenu)
{
Q_Q(QQuickMenuItem);
if (menu == newMenu)
return;
menu = newMenu;
emit q->menuChanged();
}
void QQuickMenuItemPrivate::setSubMenu(QQuickMenu *newSubMenu)
{
Q_Q(QQuickMenuItem);
if (subMenu == newSubMenu)
return;
if (subMenu) {
QObject::disconnect(subMenu, &QQuickMenu::titleChanged, q, &QQuickAbstractButton::setText);
QObject::disconnect(subMenu, &QQuickMenu::iconChanged, q, &QQuickAbstractButton::setIcon);
QObjectPrivate::disconnect(subMenu, &QQuickPopup::enabledChanged, this, &QQuickMenuItemPrivate::updateEnabled);
}
if (newSubMenu) {
QObject::connect(newSubMenu, &QQuickMenu::titleChanged, q, &QQuickAbstractButton::setText);
QObject::connect(newSubMenu, &QQuickMenu::iconChanged, q, &QQuickAbstractButton::setIcon);
QObjectPrivate::connect(newSubMenu, &QQuickPopup::enabledChanged, this, &QQuickMenuItemPrivate::updateEnabled);
q->setText(newSubMenu->title());
q->setIcon(newSubMenu->icon());
}
subMenu = newSubMenu;
updateEnabled();
emit q->subMenuChanged();
}
void QQuickMenuItemPrivate::updateEnabled()
{
Q_Q(QQuickMenuItem);
q->setEnabled(subMenu && subMenu->isEnabled());
}
static inline QString arrowName() { return QStringLiteral("arrow"); }
void QQuickMenuItemPrivate::cancelArrow()
{
Q_Q(QQuickAbstractButton);
quickCancelDeferred(q, arrowName());
}
void QQuickMenuItemPrivate::executeArrow(bool complete)
{
Q_Q(QQuickMenuItem);
if (arrow.wasExecuted())
return;
if (!arrow || complete)
quickBeginDeferred(q, arrowName(), arrow);
if (complete)
quickCompleteDeferred(q, arrowName(), arrow);
}
bool QQuickMenuItemPrivate::acceptKeyClick(Qt::Key key) const
{
return key == Qt::Key_Return || key == Qt::Key_Enter
|| QQuickAbstractButtonPrivate::acceptKeyClick(key);
}
QPalette QQuickMenuItemPrivate::defaultPalette() const
{
return QQuickTheme::palette(QQuickTheme::Menu);
}
/*!
\qmlsignal void QtQuick.Controls::MenuItem::triggered()
This signal is emitted when the menu item is triggered by the user.
*/
QQuickMenuItem::QQuickMenuItem(QQuickItem *parent)
: QQuickAbstractButton(*(new QQuickMenuItemPrivate), parent)
{
connect(this, &QQuickAbstractButton::clicked, this, &QQuickMenuItem::triggered);
}
/*!
\qmlproperty bool QtQuick.Controls::MenuItem::highlighted
This property holds whether the menu item is highlighted by the user.
A menu item can be highlighted by mouse hover or keyboard navigation.
The default value is \c false.
\sa Menu::currentIndex
*/
bool QQuickMenuItem::isHighlighted() const
{
Q_D(const QQuickMenuItem);
return d->highlighted;
}
void QQuickMenuItem::setHighlighted(bool highlighted)
{
Q_D(QQuickMenuItem);
if (highlighted == d->highlighted)
return;
d->highlighted = highlighted;
emit highlightedChanged();
}
/*!
\since QtQuick.Controls 2.3 (Qt 5.10)
\qmlproperty Item QtQuick.Controls::MenuItem::arrow
This property holds the sub-menu arrow item.
\sa {Customizing Menu}
*/
QQuickItem *QQuickMenuItem::arrow() const
{
QQuickMenuItemPrivate *d = const_cast<QQuickMenuItemPrivate *>(d_func());
if (!d->arrow)
d->executeArrow();
return d->arrow;
}
void QQuickMenuItem::setArrow(QQuickItem *arrow)
{
Q_D(QQuickMenuItem);
if (d->arrow == arrow)
return;
if (!d->arrow.isExecuting())
d->cancelArrow();
QQuickControlPrivate::hideOldItem(d->arrow);
d->arrow = arrow;
if (arrow && !arrow->parentItem())
arrow->setParentItem(this);
if (!d->arrow.isExecuting())
emit arrowChanged();
}
/*!
\since QtQuick.Controls 2.3 (Qt 5.10)
\qmlproperty Menu QtQuick.Controls::MenuItem::menu
\readonly
This property holds the menu that contains this menu item,
or \c null if the item is not in a menu.
*/
QQuickMenu *QQuickMenuItem::menu() const
{
Q_D(const QQuickMenuItem);
return d->menu;
}
/*!
\since QtQuick.Controls 2.3 (Qt 5.10)
\qmlproperty Menu QtQuick.Controls::MenuItem::subMenu
\readonly
This property holds the sub-menu that this item presents in
the parent menu, or \c null if this item is not a sub-menu item.
*/
QQuickMenu *QQuickMenuItem::subMenu() const
{
Q_D(const QQuickMenuItem);
return d->subMenu;
}
void QQuickMenuItem::componentComplete()
{
Q_D(QQuickMenuItem);
d->executeArrow(true);
QQuickAbstractButton::componentComplete();
}
QFont QQuickMenuItem::defaultFont() const
{
return QQuickTheme::font(QQuickTheme::Menu);
}
#if QT_CONFIG(accessibility)
QAccessible::Role QQuickMenuItem::accessibleRole() const
{
return QAccessible::MenuItem;
}
#endif
QT_END_NAMESPACE
#include "moc_qquickmenuitem_p.cpp"
|
