“增加扫描错误提示”

app/scanner/Scanner_zh_CN.ts

@@ -1273,7 +1273,7 @@ Please make sure the two passwords are the same.</source>
     </message>
     <message>
         <location filename="mainwindow.cpp" line="58"/>
-        <location filename="mainwindow.cpp" line="1933"/>
+        <location filename="mainwindow.cpp" line="1942"/>
         <source>HuaGoScan</source>
         <translation>华高扫描软件</translation>
     </message>
@@ -1288,295 +1288,303 @@ Please make sure the two passwords are the same.</source>
         <translation>插入文件</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="219"/>
+        <location filename="mainwindow.cpp" line="220"/>
         <source>nodevice</source>
         <translation>没有发现扫描仪</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="386"/>
-        <location filename="mainwindow.cpp" line="1251"/>
-        <location filename="mainwindow.cpp" line="1286"/>
-        <location filename="mainwindow.cpp" line="1548"/>
-        <location filename="mainwindow.cpp" line="1839"/>
+        <location filename="mainwindow.cpp" line="387"/>
+        <location filename="mainwindow.cpp" line="1258"/>
+        <location filename="mainwindow.cpp" line="1293"/>
+        <location filename="mainwindow.cpp" line="1555"/>
+        <location filename="mainwindow.cpp" line="1848"/>
         <source>Question</source>
         <translation>警告</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="387"/>
-        <location filename="mainwindow.cpp" line="1252"/>
-        <location filename="mainwindow.cpp" line="1287"/>
+        <location filename="mainwindow.cpp" line="388"/>
+        <location filename="mainwindow.cpp" line="1259"/>
+        <location filename="mainwindow.cpp" line="1294"/>
         <source>modified, save it?</source>
         <translation>图像已被修改。
 是否保存修改？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="672"/>
         <location filename="mainwindow.cpp" line="673"/>
+        <location filename="mainwindow.cpp" line="674"/>
         <source> already connected</source>
         <translation>  已连接</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="715"/>
+        <location filename="mainwindow.cpp" line="716"/>
         <source> disconnected</source>
         <translation>  已断开连接</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="771"/>
-        <location filename="mainwindow.cpp" line="790"/>
+        <location filename="mainwindow.cpp" line="778"/>
+        <location filename="mainwindow.cpp" line="797"/>
         <source>%1/%2%3.%4</source>
         <translation>%1/%2%3.%4</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="810"/>
-        <location filename="mainwindow.cpp" line="815"/>
+        <location filename="mainwindow.cpp" line="817"/>
+        <location filename="mainwindow.cpp" line="822"/>
         <source>scan starting...</source>
         <translation>开始扫描...</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="825"/>
-        <location filename="mainwindow.cpp" line="836"/>
+        <location filename="mainwindow.cpp" line="832"/>
+        <location filename="mainwindow.cpp" line="843"/>
         <source>scan finished</source>
         <translation>扫描完成</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1210"/>
+        <location filename="mainwindow.cpp" line="1217"/>
         <source>Open images</source>
         <translation>打开图片</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1216"/>
+        <location filename="mainwindow.cpp" line="1223"/>
         <source>Insert images</source>
         <translation>插入图片</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>File name</source>
         <translation>文件名</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>File path</source>
         <translation>文件路径</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>File size</source>
         <translation>文件大小</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>Creation date/time</source>
         <translation>创建时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>Modified date/time</source>
         <translation>修改时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1468"/>
+        <location filename="mainwindow.cpp" line="1475"/>
         <source>Accessed date/time</source>
         <translation>访问时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Format</source>
         <translation>格式</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Width</source>
         <translation>宽度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Height</source>
         <translation>高度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>depth</source>
         <translation>深度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Color model</source>
         <translation>色彩模式</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>DPI</source>
         <translation>每英寸像素点</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Print size</source>
         <translation>打印尺寸</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1511"/>
+        <location filename="mainwindow.cpp" line="1518"/>
         <source>Frame</source>
         <translation>帧</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1519"/>
+        <location filename="mainwindow.cpp" line="1526"/>
         <source>None</source>
         <translation>无</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1519"/>
+        <location filename="mainwindow.cpp" line="1526"/>
         <source>Mono</source>
         <translation>黑白</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1519"/>
+        <location filename="mainwindow.cpp" line="1526"/>
         <source>Gray</source>
         <translation>灰度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1519"/>
+        <location filename="mainwindow.cpp" line="1526"/>
         <source>Color</source>
         <translation>彩色</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1540"/>
+        <location filename="mainwindow.cpp" line="1547"/>
         <source>Warning</source>
         <translation>警告</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1540"/>
+        <location filename="mainwindow.cpp" line="1547"/>
         <source>Device is Running!
 Please finish scanning first.</source>
         <translation>设备正在运行！
 请先结束扫描。</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1549"/>
+        <location filename="mainwindow.cpp" line="1556"/>
         <source>Application is about to close.Make sure all needed files are saved.
 Continue to close?</source>
         <translation>应用程序即将关闭。请确认所有需要的文件已被保存。
 是否继续关闭？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1840"/>
+        <location filename="mainwindow.cpp" line="1849"/>
         <source>Sure to sign out administrator account?</source>
         <translation>是否确定登出管理员账户？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="389"/>
-        <location filename="mainwindow.cpp" line="1254"/>
-        <location filename="mainwindow.cpp" line="1289"/>
-        <location filename="mainwindow.cpp" line="1551"/>
-        <location filename="mainwindow.cpp" line="1841"/>
+        <location filename="mainwindow.cpp" line="2055"/>
+        <location filename="mainwindow.cpp" line="2056"/>
+        <location filename="mainwindow.cpp" line="2114"/>
+        <location filename="mainwindow.cpp" line="2115"/>
+        <source>start failed</source>
+        <translation>启动失败</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="390"/>
+        <location filename="mainwindow.cpp" line="1261"/>
+        <location filename="mainwindow.cpp" line="1296"/>
+        <location filename="mainwindow.cpp" line="1558"/>
+        <location filename="mainwindow.cpp" line="1850"/>
         <source>yes</source>
         <translation>确定</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="390"/>
-        <location filename="mainwindow.cpp" line="1255"/>
-        <location filename="mainwindow.cpp" line="1290"/>
-        <location filename="mainwindow.cpp" line="1552"/>
-        <location filename="mainwindow.cpp" line="1842"/>
+        <location filename="mainwindow.cpp" line="391"/>
+        <location filename="mainwindow.cpp" line="1262"/>
+        <location filename="mainwindow.cpp" line="1297"/>
+        <location filename="mainwindow.cpp" line="1559"/>
+        <location filename="mainwindow.cpp" line="1851"/>
         <source>no</source>
         <translation>取消</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1899"/>
-        <location filename="mainwindow.cpp" line="1901"/>
+        <location filename="mainwindow.cpp" line="1908"/>
+        <location filename="mainwindow.cpp" line="1910"/>
         <source>hint</source>
         <translation>提示</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1899"/>
+        <location filename="mainwindow.cpp" line="1908"/>
         <source>Roller scanned count has been set to 0.</source>
         <translation>辊轴计数已置零</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1901"/>
+        <location filename="mainwindow.cpp" line="1910"/>
         <source>Roller scanned count reset failed.</source>
         <translation>重置辊轴计数失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1915"/>
+        <location filename="mainwindow.cpp" line="1924"/>
         <source>Error</source>
         <translation>错误</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1915"/>
+        <location filename="mainwindow.cpp" line="1924"/>
         <source>Document missing! It would be deleted or renamed.</source>
         <translation>文档丢失！文档可能已被删除或被重命名。</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1934"/>
+        <location filename="mainwindow.cpp" line="1943"/>
         <source>HuaGoScan Application</source>
         <translation>华高扫描应用程序</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1935"/>
+        <location filename="mainwindow.cpp" line="1944"/>
         <source>2018-2022 HuaGoScan</source>
         <translation>2018-2021 HUAGOSCAN</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1936"/>
+        <location filename="mainwindow.cpp" line="1945"/>
         <source>Manufacturer/Developer: Ningbo Huagao Info&amp;Tech co.,ltd.</source>
         <translation>制造商/开发商: 宁波华高信息科技有限公司</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1937"/>
+        <location filename="mainwindow.cpp" line="1946"/>
         <source>&lt;br&gt;Company website: &lt;a href=&apos;http://www.huagaochina.com/&apos;&gt;www.huagaochina.com&lt;/a&gt;</source>
         <translation>&lt;br&gt;公司网址: &lt;a href=&apos;http://www.huagaochina.com/&apos;&gt;www.huagaochina.com&lt;/a&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1938"/>
+        <location filename="mainwindow.cpp" line="1947"/>
         <source>&lt;br&gt;Contact: +86 0574 27974866</source>
         <translation>&lt;br&gt;联系电话: +86 0574 27974866</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1940"/>
+        <location filename="mainwindow.cpp" line="1949"/>
         <source>&lt;br&gt;Company address: No.655,Xueshi Road,Yinzhou district,Ningbo,Zhejiang,China(PRC)</source>
         <translation>&lt;br&gt;地址: 浙江省宁波市鄞州区学士路655号 C栋211</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1941"/>
+        <location filename="mainwindow.cpp" line="1950"/>
         <source>Navigation: &lt;a href=&apos;https://j.map.baidu.com/7e/1TO&apos;&gt;Visit in Baidu map.&lt;/a&gt;</source>
         <translation>&lt;br&gt;导航地址: &lt;a href=&apos;https://j.map.baidu.com/7e/1TO&apos;&gt;百度地图访问&lt;/a&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1944"/>
-        <location filename="mainwindow.cpp" line="1963"/>
+        <location filename="mainwindow.cpp" line="1953"/>
+        <location filename="mainwindow.cpp" line="1972"/>
         <source>About %1</source>
         <translation>关于 %1</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1945"/>
-        <location filename="mainwindow.cpp" line="1964"/>
+        <location filename="mainwindow.cpp" line="1954"/>
+        <location filename="mainwindow.cpp" line="1973"/>
         <source>&lt;p&gt;%1&lt;/p&gt;&lt;p&gt;Version: %2&lt;br&gt;CopyRight: &amp;#169; %3&lt;/p&gt;&lt;p&gt;%4%5%6%7%8%9&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1&lt;/p&gt;&lt;p&gt;版本: %2&lt;br&gt;版权: &amp;#169; %3&lt;/p&gt;&lt;p&gt;%4%5%6%7%8%9&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1978"/>
+        <location filename="mainwindow.cpp" line="1987"/>
         <source>about %1</source>
         <translation>关于 %1</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1979"/>
+        <location filename="mainwindow.cpp" line="1988"/>
         <source>&lt;p&gt;Version: %1&lt;/p&gt;</source>
         <oldsource>&lt;p&gt;版本: %1&lt;/p&gt;</oldsource>
         <translation>&lt;p&gt;版本： %1&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1980"/>
+        <location filename="mainwindow.cpp" line="1989"/>
         <source>&lt;p&gt;CopyRight: &amp;#169; %1&lt;/p&gt;</source>
         <oldsource>&lt;p&gt;版权: &amp;#169; %1&lt;/p&gt;</oldsource>
         <translation>&lt;p&gt;版权： &amp;#169; %1&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1984"/>
+        <location filename="mainwindow.cpp" line="1993"/>
         <source>&lt;p&gt;%1: &lt;a href=&apos;%2&apos;&gt;%3&lt;/a&gt;&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1: &lt;a href=&apos;%2&apos;&gt;%3&lt;/a&gt;&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1986"/>
+        <location filename="mainwindow.cpp" line="1995"/>
         <source>&lt;p&gt;%1: %2&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1: %2&lt;/p&gt;</translation>
     </message>

app/scanner/mainwindow.cpp

@@ -213,6 +213,7 @@ MainWindow::MainWindow(QWidget *parent)
     connect(this, SIGNAL(new_image(void *)), this, SLOT(on_new_image(void *)), Qt::QueuedConnection);
     connect(this, SIGNAL(scan_working()), this, SLOT(on_scan_working()), Qt::QueuedConnection);
     connect(this, SIGNAL(scan_finish()), this, SLOT(on_scan_finish()), Qt::QueuedConnection);
+    connect(this, SIGNAL(sane_dev_error(QString)), this, SLOT(on_sane_dev_error(QString)), Qt::QueuedConnection);
     connect(m_dialog_log, SIGNAL(continuScan(void)), this, SLOT(on_act_acquire_triggered(void)), Qt::QueuedConnection);
     connect(m_dialog_log, SIGNAL(invoke_stop(void)), this, SLOT(on_act_acquireStop_triggered(void)), Qt::QueuedConnection);
 
@@ -716,6 +717,12 @@ void MainWindow::on_sane_dev_remove(QString devName)
     }
 }
 
+void MainWindow::on_sane_dev_error(QString errorInfo)
+{
+    m_wndStatusBar->setDeviceStatusInfo(errorInfo);
+    m_dialog_log->add_log(errorInfo, true);
+}
+
 bool MainWindow::eventFilter(QObject *obj, QEvent *event)
 {
     if(obj == m_view)
@@ -1627,6 +1634,8 @@ int MainWindow::sane_ex_callback(SANE_Handle hdev, int code, void *data, unsigne
         break;
     case SANE_EVENT_ERROR:
         {
+            QString errorInfo((char*)data);
+            emit p->sane_dev_error(errorInfo);
         }
         break;
     case SANE_EVENT_WORKING:
@@ -2039,7 +2048,14 @@ void MainWindow::on_act_acquire_triggered()
     }
 #else
     if (nullptr != m_saneDeviceHandle)
-        sane_start(m_saneDeviceHandle);
+    {
+        SANE_Status ret = sane_start(m_saneDeviceHandle);
+        if(ret != SANE_STATUS_GOOD)
+        {
+            m_wndStatusBar->setDeviceStatusInfo(tr("start failed"));
+            m_dialog_log->add_log(tr("start failed"), true);
+        }
+    }
 #endif
 }
 
@@ -2091,7 +2107,14 @@ void MainWindow::on_act_acquireInto_triggered()
         }
 #else
         if (nullptr != m_saneDeviceHandle)
-            sane_start(m_saneDeviceHandle);
+        {
+            SANE_Status ret = sane_start(m_saneDeviceHandle);
+            if(ret != SANE_STATUS_GOOD)
+            {
+                m_wndStatusBar->setDeviceStatusInfo(tr("start failed"));
+                m_dialog_log->add_log(tr("start failed"), true);
+            }
+        }
 #endif
     }
 }

app/scanner/mainwindow.h

@@ -82,6 +82,7 @@ signals:
 #if !defined(HG_CMP_MSC) || !defined(APP_USE_TWAIN)
     void sane_dev_arrive(QString devName);
     void sane_dev_remove(QString devName);
+    void sane_dev_error(QString errorInfo);
 #endif
     void new_image(void *img);
     void scan_working();
@@ -105,6 +106,7 @@ private slots:
     void on_devMenu_action_triggered();
     void on_sane_dev_arrive(QString devName);
     void on_sane_dev_remove(QString devName);
+    void on_sane_dev_error(QString errorInfo);
     virtual bool eventFilter(QObject* obj, QEvent* event) override;
 #endif
     void on_new_image(void *img);