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vbuttonwithwidget.cpp
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139 lines (114 loc) · 3.25 KB
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#include "vbuttonwithwidget.h"
#include <QMenu>
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QMimeData>
#include <QRect>
#include <QPainter>
#include <QPainterPath>
#include <QBrush>
VButtonWithWidget::VButtonWithWidget(QWidget *p_widget,
QWidget *p_parent)
: QPushButton(p_parent), m_popupWidget(p_widget)
{
init();
}
VButtonWithWidget::VButtonWithWidget(const QString &p_text,
QWidget *p_widget,
QWidget *p_parent)
: QPushButton(p_text, p_parent), m_popupWidget(p_widget)
{
init();
}
VButtonWithWidget::VButtonWithWidget(const QIcon &p_icon,
const QString &p_text,
QWidget *p_widget,
QWidget *p_parent)
: QPushButton(p_icon, p_text, p_parent), m_popupWidget(p_widget)
{
init();
}
void VButtonWithWidget::init()
{
m_popupWidget->setParent(this);
m_bubbleFg = QColor(Qt::white);
m_bubbleBg = QColor("#15AE67");
QMenu *menu = new QMenu(this);
QWidgetAction *act = new QWidgetAction(menu);
act->setDefaultWidget(m_popupWidget);
menu->addAction(act);
connect(menu, &QMenu::aboutToShow,
this, [this]() {
emit popupWidgetAboutToShow(m_popupWidget);
});
setMenu(menu);
VButtonPopupWidget *popup = getButtonPopupWidget();
if (popup) {
popup->setButton(this);
setAcceptDrops(popup->isAcceptDrops());
connect(this, &VButtonWithWidget::popupWidgetAboutToShow,
this, [this]() {
getButtonPopupWidget()->handleAboutToShow();
});
}
}
QWidget *VButtonWithWidget::getPopupWidget() const
{
return m_popupWidget;
}
void VButtonWithWidget::showPopupWidget()
{
showMenu();
}
void VButtonWithWidget::hidePopupWidget()
{
menu()->hide();
}
void VButtonWithWidget::dragEnterEvent(QDragEnterEvent *p_event)
{
VButtonPopupWidget *popup = getButtonPopupWidget();
Q_ASSERT(popup);
if (popup->handleDragEnterEvent(p_event)) {
return;
}
QPushButton::dragEnterEvent(p_event);
}
void VButtonWithWidget::dropEvent(QDropEvent *p_event)
{
VButtonPopupWidget *popup = getButtonPopupWidget();
Q_ASSERT(popup);
if (popup->handleDropEvent(p_event)) {
return;
}
QPushButton::dropEvent(p_event);
}
void VButtonWithWidget::paintEvent(QPaintEvent *p_event)
{
QPushButton::paintEvent(p_event);
if (!isEnabled() || m_bubbleStr.isEmpty()) {
return;
}
QRect re = rect();
int bubbleWidth = re.width() * 3.0 / 7;
int x = re.width() - bubbleWidth;
int y = 0;
QRect bubbleRect(x, y, bubbleWidth, bubbleWidth);
QPainter painter(this);
QPainterPath bgPath;
bgPath.addEllipse(bubbleRect);
painter.fillPath(bgPath, m_bubbleBg);
QFont font = painter.font();
font.setPixelSize(bubbleWidth / 1.3);
painter.setFont(font);
painter.setPen(m_bubbleFg);
painter.drawText(bubbleRect, Qt::AlignCenter, m_bubbleStr);
}
void VButtonWithWidget::setBubbleNumber(int p_num)
{
if (p_num < 0) {
m_bubbleStr.clear();
} else {
m_bubbleStr = QString::number(p_num);
}
update();
}