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解决选择twain源时卡死的问题

This commit is contained in:
luoliangyi 2023-08-16 17:38:40 +08:00
parent aa9e5916ce
commit 20f6b491d3
1 changed files with 12 additions and 12 deletions
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24
app/scanner2/mainwindow.cpp
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@ -4443,21 +4443,21 @@ void MainWindow::on_act_selectDevice_triggered()
m_versionDll->PostUserLogoutInfo(HGVERSION_APPNAME_SCANNER, m_oemName);
}
if (nullptr != m_devUser)
{
disconnect(m_devUser, SIGNAL(newImage(void*)), this, SLOT(on_newImage(void*)));
disconnect(m_devUser, SIGNAL(scanWorkingEvent()), this, SLOT(on_scanWorkingEvent()));
disconnect(m_devUser, SIGNAL(scanFinishEvent()), this, SLOT(on_scanFinishEvent()));
m_devUser->Logout();
delete m_devUser;
m_devUser = nullptr;
m_wndStatusBar->setDeviceStatusInfo(tr("Please go to 'Menu Bar ->Scan' to select a device"), false);
updateActionStatus();
}
DeviceUser *devUser = m_devUserMgr->OpenDeviceUser();
if (devUser != nullptr)
{
if (nullptr != m_devUser)
{
disconnect(m_devUser, SIGNAL(newImage(void*)), this, SLOT(on_newImage(void*)));
disconnect(m_devUser, SIGNAL(scanWorkingEvent()), this, SLOT(on_scanWorkingEvent()));
disconnect(m_devUser, SIGNAL(scanFinishEvent()), this, SLOT(on_scanFinishEvent()));
m_devUser->Logout();
delete m_devUser;
m_devUser = nullptr;
m_wndStatusBar->setDeviceStatusInfo(tr("Please go to 'Menu Bar ->Scan' to select a device"), false);
updateActionStatus();
}
if (HGBASE_ERR_OK == devUser->Open())
{
m_devUser = devUser;