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39
40 #include "qtoolbarextension_p.h"
41 #include <qevent.h>
42 #include <qstyle.h>
43 #include <qstylepainter.h>
44 #include <qstyleoption.h>
45
46 QT_BEGIN_NAMESPACE
47
QToolBarExtension(QWidget * parent)48 QToolBarExtension::QToolBarExtension(QWidget *parent)
49 : QToolButton(parent)
50 , m_orientation(Qt::Horizontal)
51 {
52 setObjectName(QLatin1String("qt_toolbar_ext_button"));
53 setAutoRaise(true);
54 setOrientation(m_orientation);
55 setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
56 setCheckable(true);
57 }
58
setOrientation(Qt::Orientation o)59 void QToolBarExtension::setOrientation(Qt::Orientation o)
60 {
61 QStyleOption opt;
62 opt.init(this);
63 if (o == Qt::Horizontal) {
64 setIcon(style()->standardIcon(QStyle::SP_ToolBarHorizontalExtensionButton, &opt));
65 } else {
66 setIcon(style()->standardIcon(QStyle::SP_ToolBarVerticalExtensionButton, &opt));
67 }
68 m_orientation = o;
69 }
70
paintEvent(QPaintEvent *)71 void QToolBarExtension::paintEvent(QPaintEvent *)
72 {
73 QStylePainter p(this);
74 QStyleOptionToolButton opt;
75 initStyleOption(&opt);
76 // We do not need to draw both extension arrows
77 opt.features &= ~QStyleOptionToolButton::HasMenu;
78 p.drawComplexControl(QStyle::CC_ToolButton, opt);
79 }
80
81
sizeHint() const82 QSize QToolBarExtension::sizeHint() const
83 {
84 QStyleOption opt;
85 opt.initFrom(this);
86 const int ext = style()->pixelMetric(QStyle::PM_ToolBarExtensionExtent, &opt);
87 return QSize(ext, ext);
88 }
89
event(QEvent * event)90 bool QToolBarExtension::event(QEvent *event)
91 {
92 switch (event->type()) {
93 case QEvent::LayoutDirectionChange:
94 setOrientation(m_orientation);
95 break;
96 default:
97 break;
98 }
99 return QToolButton::event(event);
100 }
101
102 QT_END_NAMESPACE
103
104 #include "moc_qtoolbarextension_p.cpp"
105