默认打印设置的编辑， 文件管理器不识别U盘修复、文件管理器对中文文件名的支持修复

InkJetPrinter.cpp

@@ -1472,6 +1472,12 @@ void InkJetPrinter::getMainWidgetButtonClickedSlot(int index)
 }
 
 void InkJetPrinter::getPrintSettingButtonClickedSlot(int index){
+    if (m_isDefaultPrintSettingMode) {
+        exitDefaultPrintSettingMode();
+        m_StackedWidget->setCurrentWidget(m_MainInstruction);  // 修改完默认设置后，回到MainInstruction
+        return;
+    }
+
     switch (index)
     {
     case 1:
@@ -1485,6 +1491,22 @@ void InkJetPrinter::getPrintSettingButtonClickedSlot(int index){
     }
 }
 
+void InkJetPrinter::enterDefaultPrintSettingMode()
+{
+    m_savedPrintSettingModel = m_PrintSetting->model();
+    m_PrintSetting->setDefaultSettingMode(true);
+    m_PrintSetting->setModel(PrintSettingModel::defPrintSettingModel());
+    m_isDefaultPrintSettingMode = true;
+    m_StackedWidget->setCurrentWidget(m_PrintSetting);
+}
+
+void InkJetPrinter::exitDefaultPrintSettingMode()
+{
+    m_PrintSetting->setModel(m_savedPrintSettingModel);
+    m_PrintSetting->setDefaultSettingMode(false);
+    m_isDefaultPrintSettingMode = false;
+}
+
 void InkJetPrinter::getMainInstructWidgetButtonClickedSlot(int index)
 {
     switch (index)
@@ -1512,6 +1534,12 @@ void InkJetPrinter::getMainInstructWidgetButtonClickedSlot(int index)
     case 5:
     {
         m_StackedWidget->setCurrentWidget(m_SystemUpdate);
+        break;
+    }
+    case 6:
+    {
+        enterDefaultPrintSettingMode();
+        break;
     }
     default:
         break;
@@ -2808,4 +2836,4 @@ void InkJetPrinter::slt_showMsg(QString msg)
     msgtest->setText(msg);
     msgtest->show();
     LogInfo::setRunStatusText(msg);
-}
+}