解决按键扫描工具文件夹窗口异常问题；BUG-1266

app/scantool/form_saveparam.cpp

@@ -9,7 +9,6 @@ Form_SaveParam::Form_SaveParam(const SaveParam &saveParam, QWidget *parent)
     : QWidget(parent)
     , ui(new Ui::Form_SaveParam)
     , m_writeSettingsDlg(nullptr)
-    , m_qFileDialog(nullptr)
 {
     ui->setupUi(this);
 
@@ -58,7 +57,6 @@ Form_SaveParam::Form_SaveParam(const SaveParam &saveParam, QWidget *parent)
 Form_SaveParam::~Form_SaveParam()
 {
     assert(nullptr == m_writeSettingsDlg);
-    assert(nullptr == m_qFileDialog);
     delete ui;
 }
 
@@ -207,34 +205,19 @@ void Form_SaveParam::on_closeDevice()
 {
     if (nullptr != m_writeSettingsDlg)
         m_writeSettingsDlg->reject();
-    if (nullptr != m_qFileDialog)
-        m_qFileDialog->reject();
 }
 
 void Form_SaveParam::on_btn_directory_clicked()
 {
-    assert(nullptr == m_qFileDialog);
-    m_qFileDialog = new QFileDialog(this);
-    m_qFileDialog->setFileMode(QFileDialog::Directory);
-    m_qFileDialog->setViewMode(QFileDialog::Detail);
-    m_qFileDialog->setWindowTitle("Browse directory");
-    m_qFileDialog->setDirectory(ui->lineEdit_directory->text());
-    if (m_qFileDialog->exec())
+    QString save_dir = QFileDialog::getExistingDirectory(this, tr("Browse directory"), "");
+    if (!save_dir.isEmpty())
     {
-        QString save_dir = m_qFileDialog->directory().absolutePath();
-        if (!save_dir.isEmpty())
-        {
-            if (save_dir[save_dir.size() - 1] != '/')
-                save_dir += "/";
-
-            char result[512] = {0};
-            HGBase_StandardiseFileName(save_dir.toStdString().c_str(), result, 512);
-            ui->lineEdit_directory->setText(QString::fromStdString(result));
-        }
+        if (save_dir[save_dir.size() - 1] != '/')
+            save_dir += "/";
+        char result[512] = {0};
+        HGBase_StandardiseFileName(save_dir.toStdString().c_str(), result, 512);
+        ui->lineEdit_directory->setText(QString::fromStdString(result));
     }
-
-    delete m_qFileDialog;
-    m_qFileDialog = nullptr;
 }
 
 void Form_SaveParam::on_btn_option_clicked()

app/scantool/form_saveparam.h

@@ -70,7 +70,6 @@ private:
     Ui::Form_SaveParam *ui;
     WriteParam m_writeParam;
     Dialog_WriteSettings *m_writeSettingsDlg;
-    QFileDialog *m_qFileDialog;
 };
 
 #endif // FORM_SAVEPARAM_H

app/scantool/mainwindow.cpp

@@ -1471,6 +1471,11 @@ void MainWindow::on_pushButtonModify_clicked()
     {
         deviceType = v;
     }
+    else
+    {
+        QMessageBox::information(this, tr("Tips"), sane_err_desc(status));
+        return;
+    }
 
     if (deviceType != m_vScanParams[index].deviceType)
     {