#include "widget.h"
#include "ui_widget.h"
#include <QDebug>
#include <QMetaEnum>
#include <globalmouseevent.h>
#include "globalkeyevent.h"

Widget::Widget(QWidget *parent)
 : QWidget(parent)
 , ui(new Ui::Widget)
{
 ui->setupUi(this);

 this->setWindowTitle(QString("Qt-自定义全局鼠标键盘事件监听Demo - V%1").arg(APP_VERSION));
 connect(GlobalMouseEvent::getInstance(), &GlobalMouseEvent::mouseEvent, this, &Widget::on_mouseEvent);
 connect(GlobalMouseEvent::getInstance(), &GlobalMouseEvent::wheelEvent, this, &Widget::on_wheelEvent);
 connect(GlobalKeyEvent::getInstance(), &GlobalKeyEvent::keyEvent, this, &Widget::on_keyEvent);
}

Widget::~Widget()
{
#if defined(Q_OS_LINUX)
 GlobalMouseEvent::removeMouseEvent();
 GlobalKeyEvent::removeKeyEvent();
#endif
 delete ui;
}

/**
 * @brief 全局鼠标事件
 * @param event
 */
void Widget::on_mouseEvent(QMouseEvent* event)
{
 switch (event->type())
 {
 case QEvent::MouseButtonPress: // 鼠标按下
 {
 QString but;
 switch (event->button())
 {
 case Qt::LeftButton:
 {
 but = "左键";
 break;
 }
 case Qt::RightButton:
 {
 but = "右键";
 break;
 }
 case Qt::MiddleButton:
 {
 but = "中键";
 break;
 }
 case Qt::XButton1:
 {
 but = "功能键【后退】";
 break;
 }
 case Qt::XButton2:
 {
 but = "功能键【前进】";
 break;
 }
 default:
 {
 but = "未知";
 break;
 }
 }
 QString str = QString("鼠标%1按下:(x:%2, y:%3)").arg(but).arg(event->x()).arg(event->y());
 ui->textEdit->append(str);
 break;
 }
 case QEvent::MouseMove: // 鼠标移动
 {
 QString str = QString("鼠标移动:(x:%1, y:%2)").arg(event->x()).arg(event->y());
 ui->textEdit->append(str);
 break;
 }
 case QEvent::MouseButtonRelease: // 鼠标抬起
 {
 QString but;
 switch (event->button())
 {
 case Qt::LeftButton:
 {
 but = "左键";
 break;
 }
 case Qt::RightButton:
 {
 but = "右键";
 break;
 }
 case Qt::MiddleButton:
 {
 but = "中键";
 break;
 }
 case Qt::XButton1:
 {
 but = "功能键【后退】";
 break;
 }
 case Qt::XButton2:
 {
 but = "功能键【前进】";
 break;
 }
 default:
 {
 but = "未知";
 break;
 }
 }
 QString str = QString("鼠标%1释放:(x:%2, y:%3)").arg(but).arg(event->x()).arg(event->y());
 ui->textEdit->append(str);
 break;
 }
 default:
 break;
 }
 delete event; // 使用完成后记得delete
}


/**
 * @brief 全局鼠标滚轮事件
 * @param event
 */
void Widget::on_wheelEvent(QWheelEvent* event)
{
 QString str = QString("鼠标滚轮:%1,(x:%2, y:%3)").arg(event->delta() > 0 ? "向前" : "向后").arg(event->x()).arg(event->y());
 ui->textEdit->append(str);
 delete event; // 使用完成后记得delete
}

/**
 * @brief 安装全局鼠标事件监听器
 */
void Widget::on_but_mouseI_clicked()
{
 bool ret = GlobalMouseEvent::installMouseEvent();
 ui->textEdit->append(QString("<<<<<<<<<< 全局鼠标事件监听器安装%1 >>>>>>>>>>").arg(ret ? "成功" : "失败"));
}

/**
 * @brief 卸载全局鼠标事件监听器
 */
void Widget::on_but_mouser_clicked()
{
 bool ret = GlobalMouseEvent::removeMouseEvent();
 ui->textEdit->append(QString("<<<<<<<<<< 全局鼠标事件监听器卸载%1 >>>>>>>>>>").arg(ret ? "成功" : "失败"));
}

/**
 * @brief 全局键盘事件
 * @param event
 */
void Widget::on_keyEvent(QKeyEvent* event)
{
 QMetaEnum type = QMetaEnum::fromType<QEvent::Type>();
 QMetaEnum key = QMetaEnum::fromType<Qt::Key>();
 QMetaEnum keyboard = QMetaEnum::fromType<Qt::KeyboardModifiers>();
 QString str = QString("状态:[%1]\t按键:[%2]\t修饰:[%3]]").arg(type.valueToKey(event->type()))
 .arg(key.valueToKey(event->key()))
 .arg(QString(keyboard.valueToKeys(int(event->modifiers()))));
 if(!event->text().isEmpty())
 {
 str += QString("\t字符:[%1]").arg(event->text());
 }
 ui->textEdit->append(str);
 delete event; // 使用完成后记得delete
}

/**
 * @brief 安装全局键盘事件监听器
 */
void Widget::on_but_keyI_clicked()
{
 bool ret = GlobalKeyEvent::installKeyEvent();
 ui->textEdit->append(QString("<<<<<<<<<< 全局键盘事件监听器安装%1 >>>>>>>>>>").arg(ret ? "成功" : "失败"));
}

/**
 * @brief 卸载全局键盘事件监听器
 */
void Widget::on_but_KeyR_clicked()
{
 bool ret = GlobalKeyEvent::removeKeyEvent();
 ui->textEdit->append(QString("<<<<<<<<<< 全局键盘事件监听器卸载%1 >>>>>>>>>>").arg(ret ? "成功" : "失败"));
}