368 lines
11 KiB
C++
Executable File
368 lines
11 KiB
C++
Executable File
#include "Menu.h"
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#include "Constant.h"
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#include "DatabaseManager.h"
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#include "Log.h"
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#include "ui_Menu.h"
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#include <QDateTime>
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#include <QDesktopWidget>
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#include <QListView>
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#include <QTimer>
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#define CONTENT_ROW 6 // 列表行
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#define CONTENT_COLUMN 6 // 列表列
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#define CONTENT_CELL_HEIGHT 56 // 单元格高度
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Menu::Menu(QWidget* parent)
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: QWidget(parent)
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, FocusWindow()
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, ui(new Ui::Menu)
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{
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ui->setupUi(this);
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setAttribute(Qt::WA_WState_WindowOpacitySet);
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setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
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setWindowOpacity(0.5);
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setFixedSize(800, 600);
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ui->stackedWidget->setCurrentIndex(0);
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ui->btnChannelSetting->setFocus();
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QDesktopWidget* deskdop = QApplication::desktop();
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QWidget::move((deskdop->width() - this->width()) / 2, (deskdop->height() - this->height()) / 2);
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ui->cmbYear->setView(new QListView());
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ui->cmbMonth->setView(new QListView());
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ui->cmbDay->setView(new QListView());
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// 设置ScrollArea为栅格布局
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QGridLayout* layout = new QGridLayout(ui->scrollArea);
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ui->scrollAreaWidgetContents->setLayout(layout);
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db = DatabaseManager::getInstace();
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if (!db->open())
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return;
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connect(ui->cmbYear, &QComboBox::currentTextChanged, [=](QString text) {
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renderComboBoxMonth();
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});
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connect(ui->cmbMonth, &QComboBox::currentTextChanged, [=](QString text) {
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renderComboBoxDay();
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});
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// 默认设置当前操作选择主通道
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currentChannel = DatabaseManager::MainChannel;
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QTimer::singleShot(200, [=] {
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emit curChannelChanged(Constant::MainChannel);
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});
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}
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Menu::~Menu()
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{
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delete ui;
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delete db;
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}
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/**
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* @brief 重写菜单show方法
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*/
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void Menu::show()
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{
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renderComboBoxYear();
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getContents();
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QWidget::show();
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}
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/**
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* @brief 设置是否显示通道选择
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* @param visible
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*/
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void Menu::setChannelSelectVisible(bool visible)
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{
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ui->widget_chnSelect->setVisible(visible);
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}
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/**
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* @brief 渲染年份
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*/
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void Menu::renderComboBoxYear()
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{
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QStringList years = db->getAllYears(currentChannel);
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ui->cmbYear->clear();
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for (auto& str : years) {
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ui->cmbYear->addItem(str);
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}
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ui->cmbYear->setCurrentIndex(0);
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}
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/**
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* @brief 渲染月份
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*/
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void Menu::renderComboBoxMonth()
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{
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QString year = ui->cmbYear->currentText();
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if (year.isEmpty()) {
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return;
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}
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QStringList months = db->getAllMonths(currentChannel, year);
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ui->cmbMonth->clear();
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for (auto& str : months) {
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ui->cmbMonth->addItem(str);
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}
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ui->cmbMonth->setCurrentIndex(0);
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}
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/**
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* @brief 渲染天数
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*/
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void Menu::renderComboBoxDay()
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{
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QString year = ui->cmbYear->currentText();
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QString month = ui->cmbMonth->currentText();
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if (year.isEmpty() || year.isEmpty()) {
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return;
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}
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QStringList days = db->getAllDays(currentChannel, year, month);
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ui->cmbDay->clear();
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for (auto& str : days) {
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ui->cmbDay->addItem(str);
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}
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ui->cmbDay->setCurrentIndex(0);
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}
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/**
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* @brief 获取数据
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*/
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void Menu::getContents()
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{
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QVariantMap params;
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params["channel"] = currentChannel;
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params["year"] = ui->cmbYear->currentText();
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params["month"] = ui->cmbMonth->currentText();
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params["day"] = ui->cmbDay->currentText();
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contentList = db->get(params);
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renderContents();
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}
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/**
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* @brief 将视频名称列表渲染成一堆按钮放到ScrollArea中,6*6
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*/
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void Menu::renderContents()
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{
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QGridLayout* layout = qobject_cast<QGridLayout*>(ui->scrollAreaWidgetContents->layout());
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// 清除原来的控件防止内存泄漏
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QList<QWidget*> widgets = ui->scrollAreaWidgetContents->findChildren<QWidget*>();
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for (QWidget* w : widgets) {
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delete w;
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}
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// 重新生成若干个按钮
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for (int i = 0; i < contentList.length(); i++) {
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// 文件名格式: yyyyMMddhhmmss.mp4,只将时分秒显示到界面上
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DatabaseManager::File file = contentList.at(i);
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QPushButton* btn = new QPushButton(file.time, ui->scrollArea);
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btn->setProperty("name", file.filename);
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btn->setMinimumHeight(CONTENT_CELL_HEIGHT);
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btn->setStyleSheet("QPushButton{border-radius: 5px;}");
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btn->setCheckable(true);
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btn->setAutoExclusive(true);
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btn->setObjectName(QString("btn_video_%1").arg(i));
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int row = i / CONTENT_COLUMN;
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int column = i % CONTENT_COLUMN;
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layout->addWidget(btn, row, column);
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}
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// 少于36个用空的widget占位置
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if (contentList.length() < CONTENT_ROW * CONTENT_COLUMN) {
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int lastRow = (contentList.length() - 1) / CONTENT_COLUMN;
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int lastColum = (contentList.length() - 1) % CONTENT_COLUMN;
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for (int i = lastRow; i < CONTENT_ROW; i++) {
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for (int j = 0; j < CONTENT_COLUMN; j++) {
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if (i == lastRow && j <= lastColum) {
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continue;
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}
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QWidget* widget = new QWidget(ui->scrollArea);
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widget->setMinimumHeight(CONTENT_CELL_HEIGHT);
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layout->addWidget(widget, i, j);
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}
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}
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}
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}
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/**
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* @brief 移动
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* @param direction
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*/
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void Menu::move(Direction direction)
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{
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QWidget* focusWidget = QApplication::focusWidget();
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// 当前焦点是否在展开后的ComboBox上
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bool isCmbPopup = (strcmp(focusWidget->metaObject()->className(), "QListView") == 0);
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// 下拉框展开,则只进行上下选择
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if (isCmbPopup) {
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// 随便赋值一个不影响功能的按键
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Qt::Key key = Qt::Key_Right;
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if (direction == Up) {
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key == Qt::Key_Up;
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} else if (direction == Down) {
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key == Qt::Key_Down;
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}
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QKeyEvent pressEvent(QEvent::KeyPress, key, Qt::NoModifier);
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QApplication::sendEvent(focusWidget, &pressEvent);
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QKeyEvent releaseEvent(QEvent::KeyRelease, key, Qt::NoModifier);
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QApplication::sendEvent(focusWidget, &releaseEvent);
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} else {
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focusNext(direction);
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focusWidget = QApplication::focusWidget();
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int drawedHeight = focusWidget->visibleRegion().boundingRect().height();
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int height = focusWidget->height();
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// 绘制的高度小于实际高度,则表示控件显示不完全
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if (drawedHeight < height) {
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ui->scrollArea->ensureWidgetVisible(focusWidget);
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}
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if (focusWidget == ui->btnChannelSetting) {
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ui->btnChannelSetting->setChecked(true);
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ui->stackedWidget->setCurrentIndex(0);
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} else if (focusWidget == ui->btnPlayback) {
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ui->btnPlayback->setChecked(true);
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ui->stackedWidget->setCurrentIndex(1);
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}
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}
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}
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/**
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* @brief 确认
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*/
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void Menu::confirm()
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{
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int index = ui->stackedWidget->currentIndex();
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QWidget* focusWidget = QApplication::focusWidget();
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switch (index) {
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// 通道设置界面
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case 0: {
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QPushButton* btn = qobject_cast<QPushButton*>(focusWidget);
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btn->setChecked(true);
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if (btn == ui->btn_hdmi_1) {
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emit btnHdmi1Checked();
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} else if (btn == ui->btn_hdmi_2) {
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emit btnHdmi2Checked();
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} else if (btn == ui->btn_vga_1) {
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emit btnVga1Checked();
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} else if (btn == ui->btn_vga_2) {
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emit btnVga2Checked();
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}
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break;
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}
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// 回放界面
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case 1: {
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// 通道选择时按下确认
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if (focusWidget == ui->btn_channel_1 || focusWidget == ui->btn_channel_2) {
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QPushButton* btn = qobject_cast<QPushButton*>(focusWidget);
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btn->setChecked(true);
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if (btn == ui->btn_channel_1) {
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currentChannel = DatabaseManager::MainChannel;
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emit curChannelChanged(Constant::MainChannel);
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} else {
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currentChannel = DatabaseManager::SecondaryChannel;
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emit curChannelChanged(Constant::SecondaryChannel);
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}
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renderComboBoxYear();
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}
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// 下拉框未展开时按下确认
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else if (strcmp(focusWidget->metaObject()->className(), "QComboBox") == 0) {
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QComboBox* cmb = qobject_cast<QComboBox*>(focusWidget);
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cmb->showPopup();
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}
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// 下拉框展开时按下确认
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else if (strcmp(focusWidget->metaObject()->className(), "QListView") == 0) {
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// QComboBox的层级
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// QComboBox
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// |- QComboBoxPrivateContainer(Popup widget)
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// |- QListView(or QListWidget)
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// |-QViewPort(Child of QListView)
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QComboBox* cmb = static_cast<QComboBox*>(focusWidget->parent()->parent());
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if (cmb) {
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cmb->hidePopup();
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}
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}
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// 选择视频时按下确认
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else if (focusWidget->objectName().contains("btn_video")) {
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QPushButton* btn = qobject_cast<QPushButton*>(focusWidget);
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btn->setChecked(true);
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QString filename = btn->property("name").toString();
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emit btnVideoClicked(filename);
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currentFilename = filename;
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}
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// 确认按钮按下确认
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else if (focusWidget->objectName() == "btn_done") {
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getContents();
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}
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break;
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}
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default:
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break;
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}
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}
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/**
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* @brief 点击查找当前列表中的上一个视频和下一个视频
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*/
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void Menu::clickVideo(QString type)
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{
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getContents();
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int index = -1;
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for (int i = 0; i < contentList.length(); i++) {
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DatabaseManager::File file = contentList[i];
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if (file.filename == currentFilename) {
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index = i;
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break;
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}
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}
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QString filename;
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// 上一个视频
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if (type == "previous") {
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if (index == 0) {
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emit btnVideoClicked("first");
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return;
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}
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filename = contentList[index - 1].filename;
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}
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// 下一个视频
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else {
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if (index == contentList.length() - 1) {
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emit btnVideoClicked("last");
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return;
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}
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filename = contentList[index + 1].filename;
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}
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filename = contentList[index + 1].filename;
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emit btnVideoClicked(filename);
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QString h = filename.mid(8, 2);
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QString m = filename.mid(10, 2);
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QString s = filename.mid(12, 2);
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QString str = QString("%1:%2:%3").arg(h).arg(m).arg(s);
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// 选中要播放的按钮
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QList<QPushButton*> btns = ui->scrollArea->findChildren<QPushButton*>();
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for (QPushButton* btn : btns) {
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if (btn->text() == str) {
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btn->setChecked(true);
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}
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}
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}
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/**
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* @brief 遍历当前窗体可以获取焦点的所有控件
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*/
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QList<QWidget*> Menu::getAllFocusabelWidget()
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{
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QList<QWidget*> list = findChildren<QWidget*>();
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QList<QWidget*> result;
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for (int i = 0; i < list.length(); i++) {
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QWidget* w = list.at(i);
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if (w->focusPolicy() == Qt::NoFocus || !w->isVisible())
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continue;
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else {
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result.push_back(w);
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}
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}
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return result;
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}
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