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/*
* Copyright (C) 2015 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: Hualet Wang <mr.asianwang@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ddesktopmenu.h"
#include <QJsonArray>
#include <QJsonObject>
#include <QDebug>
#include <QKeyEvent>
#include <QDBusPendingCall>
#include <QTimer>
#include <QApplication>
#include <QScreen>
#include <qpa/qplatformscreen.h>
DDesktopMenu::DDesktopMenu()
: QMenu()
, m_monitor(new DRegionMonitor(this))
{
setAccessibleName("DesktopMenu");
// NOTE(hualet): don't change those window flags, if you delete below line, deepin-menu
// won't even show working with deepin-terminal.
setWindowFlags(windowFlags() | Qt::ToolTip);
connect(m_monitor, &DRegionMonitor::buttonPress, this, [=] (const QPoint &p) {
for (auto *menu : m_ownMenus)
if (menu->geometry().contains(p))
return;
QTimer::singleShot(100, this, &DDesktopMenu::hide);
});
}
DDesktopMenu::~DDesktopMenu()
{
m_monitor->unregisterRegion();
releaseKeyboard();
}
void DDesktopMenu::setItems(QJsonArray items)
{
addActionFromJson(this, items);
}
void DDesktopMenu::setItemActivity(const QString &itemId, bool isActive)
{
QAction *action = this->action(itemId);
if (action) {
action->setEnabled(isActive);
}
}
void DDesktopMenu::setItemChecked(const QString &itemId, bool checked)
{
QAction *action = this->action(itemId);
if (action) {
action->setChecked(checked);
}
}
void DDesktopMenu::setItemText(const QString &itemId, const QString &text)
{
QAction *action = this->action(itemId);
if (action) {
action->setText(text);
}
}
void DDesktopMenu::showMenu(const QPoint pos, bool isScaled)
{
QPoint handlePos = pos;
if (isScaled) {
handlePos = pos * devicePixelRatioF();
}
// 因为.dde_env已经不包含qt的缩放环境变量,所以收到的都是原始坐标
QList<QScreen *> oldList = qApp->screens();
// 得到坐标所在的屏幕
for (auto it = oldList.constBegin(); it != oldList.constEnd(); ++it) {
QScreen const * currentScreen = (*it);
QRect rect = currentScreen->handle()->geometry();
const QPoint point = rect.topLeft();
if (rect.contains(handlePos)) {
// 计算接收坐标距离当前屏幕左边缘的长宽
// 保持原始的topleft和在当前屏幕内坐标的偏移就可以正常显示了
QMenu::popup(QPoint(rect.topLeft() + (handlePos - point) / devicePixelRatioF()));
break;
}
}
}
void DDesktopMenu::showEvent(QShowEvent *e)
{
QMenu::showEvent(e);
m_monitor->registerRegion();
QTimer::singleShot(100, this, [=] {
activateWindow();
grabKeyboard();
});
}
void DDesktopMenu::hideEvent(QHideEvent *e)
{
QMenu::hideEvent(e);
m_monitor->unregisterRegion();
releaseKeyboard();
}
void DDesktopMenu::keyPressEvent(QKeyEvent *event)
{
if (event->key() == Qt::Key_Escape) {
hide();
}
QMenu::keyPressEvent(event);
}
QAction *DDesktopMenu::action(const QString &id)
{
for (QAction *action : actions()) {
if (action->property("itemId") == id) {
return action;
}
}
return nullptr;
}
void DDesktopMenu::addActionFromJson(QMenu *menu, const QJsonArray &items)
{
m_ownMenus << menu;
foreach (QJsonValue item, items) {
QJsonObject itemObj = item.toObject();
const QString itemText = itemObj["itemText"].toString().replace("_", QString()).replace(QRegExp("\\([^)]+\\)"), QString());
const QString itemIcon = itemObj["itemIcon"].toString();
const QJsonObject subMenuJson = itemObj["itemSubMenu"].toObject();
const QJsonArray subMenuItemsJson = subMenuJson["items"].toArray();
QAction *action = nullptr;
if (subMenuItemsJson.count()) {
QMenu *subMenu = new QMenu(menu);
action = menu->addMenu(subMenu);
addActionFromJson(subMenu, subMenuItemsJson);
} else if (itemText.isEmpty()) {
menu->addSeparator();
continue;
} else {
action = new QAction(menu);
menu->addAction(action);
}
action->setText(itemText);
action->setIcon(QIcon(itemIcon));
action->setEnabled(itemObj["isActive"].toBool());
action->setCheckable(itemObj["isCheckable"].toBool());
action->setChecked(itemObj["checked"].toBool());
action->setProperty("itemId", itemObj["itemId"].toString());
connect(action, &QAction::triggered, menu, [=] (const bool checked) {
const QString id = action->property("itemId").toString();
releaseFocus();
releaseMouse();
releaseKeyboard();
emit itemClicked(id, checked);
hide();
});
}
}
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