fix: 录屏时不允许改变屏幕分辨率

Description: 由于开始录屏之前，就会将需要录制的屏幕大小给进去，录制过程中，不允许修改分辨率

Log: 录屏时不允许改变屏幕分辨率

src/main_window.cpp

@@ -135,6 +135,8 @@ void MainWindow::initMainWindow()
     }
 
     m_screenCount = QApplication::desktop()->screenCount();
+    QDesktopWidget *desktopwidget = QApplication::desktop();
+    connect(desktopwidget, SIGNAL(resized(int)), this, SLOT(onScreenResolutionChanged()));
     QList<QScreen *> screenList = qApp->screens();
     int hTotal = 0;
     for (auto it = screenList.constBegin(); it != screenList.constEnd(); ++it) {
@@ -633,13 +635,24 @@ void MainWindow::forciblySavingNotify()
 
 void MainWindow::onExit()
 {
+    qInfo() << "exit screenshot app";
     if (RECORD_BUTTON_RECORDING == recordButtonStatus) {
         stopRecord();
     } else {
         exitApp();
     }
 }
 
+
+void MainWindow::onScreenResolutionChanged()
+{
+    qInfo() << "Screen Resolution has Changed!";
+    if (!m_isScreenResolutionChanged) {
+        m_isScreenResolutionChanged = true;
+        onExit();
+    }
+}
+
 //初始化应用能快捷键 如果快捷键需要打开下拉列表，则不能使用全局快捷键处理，需使用此方法处理
 //下拉列表会影响快捷键
 void MainWindow::initShortcut()

src/main_window.h

@@ -589,6 +589,11 @@ public slots:
      * @brief 有些时候退出全局事件监听线程会卡住，此时强退截图录屏
      */
     void onExitScreenCapture();
+
+    /**
+     * @brief 任意屏幕分辨率被改变
+     */
+    void onScreenResolutionChanged();
 protected:
     /**
      * @brief eventFilter
@@ -1242,6 +1247,11 @@ public slots:
      * @brief 当前光标的位置
      */
     QPoint m_currentCursor;
+
+    /**
+     * @brief m_isScreenResolutionChanged 屏幕分辨率是否改变
+     */
+    bool m_isScreenResolutionChanged = false;
 };
 
 #endif //MAINWINDOW_H

src/record_process.cpp

@@ -142,6 +142,7 @@ void RecordProcess::onTranscodeFinish()
 //录屏结束后弹出通知
 void RecordProcess::onRecordFinish()
 {
+    qInfo() << __LINE__ << __func__ <<"正在结束录屏...";
     //x11录屏结束
     if (!Utils::isWaylandMode) {
         if (QProcess::ProcessState::NotRunning != m_recorderProcess->exitCode()) {
@@ -168,21 +169,23 @@ void RecordProcess::recordVideo()
     //取系统音频的通道号
     AudioUtils *audioUtils = new AudioUtils();
     QString t_currentAudioChannel = audioUtils->currentAudioChannel();
-    if (t_currentAudioChannel.size() > 1) {
-        t_currentAudioChannel = t_currentAudioChannel.left(t_currentAudioChannel.size() - 1);
-    }
-    qDebug() << "current system audio channel:" << t_currentAudioChannel;
+    //-1表示系统音频的通道号错误
     if (t_currentAudioChannel == "-1") {
         qWarning() << "current system audio channel error!";
         //系统音频通道获取错误时，要么不录制声音，要么只录制麦克风音频
         if (m_audioType == RECORD_AUDIO_SYSTEMAUDIO) {
             m_audioType = RECORD_AUDIO_NULL;
-            qDebug() << "选择录制的音频发生改变，录制系统音 变更为 不录音！";
+            qWarning() << "选择录制的音频发生改变，录制系统音 变更为 不录系统音！";
         } else if (m_audioType == RECORD_AUDIO_MIC_SYSTEMAUDIO) {
             m_audioType = RECORD_AUDIO_MIC;
-            qDebug() << "选择录制的音频发生改变，录制混音 变更为 只录制麦克风！";
+            qWarning() << "选择录制的音频发生改变，录制混音 变更为 只录制麦克风！";
+        }
+    }else {
+        if (t_currentAudioChannel.size() > 1) {
+            t_currentAudioChannel = t_currentAudioChannel.left(t_currentAudioChannel.size() - 1);
         }
     }
+    qDebug() << "current system audio channel:" << t_currentAudioChannel;
     QStringList arguments;
 
     QString arch = QSysInfo::currentCpuArchitecture();
@@ -727,6 +730,7 @@ void RecordProcess::exitRecord(QString newSavePath)
                                                                           "onStop"));
     }
 
+    qInfo() << __LINE__ << __func__ <<"录屏已退出";
     QApplication::quit();
     if (Utils::isWaylandMode) {
         qInfo() << "wayland record exit! (_Exit(0))";