GerhardHoffmann/DCPlugin
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Implement printing receipts:

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- using DC prn_sendText
 - this is a rather general print method
This commit is contained in:
Siegfried Siegert
2023-08-07 17:38:29 +02:00
parent 3bc68ff0ae
commit 6b807fd636
2 changed files with 57 additions and 5 deletions
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58
src/ATBAPP/ATBDeviceControllerPlugin.cpp
View File

@@ -537,6 +537,56 @@ void ATBDeviceControllerPlugin::requestPrintReceipt(const QHash<QString, QVarian
qCritical() << "ATBDeviceControllerPlugin::requestPrintReceipt() is currently not implemented";
}
void ATBDeviceControllerPlugin::requestPrintReceipt(const QString & printingString)
{
QByteArray ba = printingString.toUtf8();
hw->prn_switchPower(true);
hw->prn_sendText(&ba);
QTimer::singleShot(4000, this, SLOT(onPrinterWaitForPrintingReceipt()));
//QTimer::singleShot(2000, this, [this](){ hw->prn_cut(3); } );
}
void ATBDeviceControllerPlugin::onPrinterWaitForPrintingReceipt()
{
quint8 printerResult = this->hw->prn_getPrintResult();
switch (printerResult) {
case 0: // still printing
qCritical() << "--> printer: WaitForPrintingReceipt";
QTimer::singleShot(2000, this, SLOT(onPrinterWaitForPrintingReceipt()));
break;
case 1: // printing finished, Ok
qCritical() << "DC Finished printing receipt";
emit this->printReceiptFinished(nsDeviceControllerInterface::RESULT_STATE::SUCCESS,
// TODO: TicketNumber
"",
"");
hw->prn_switchPower(true);
hw->prn_cut(3);
break;
case 2: // printing finished, Error
qCritical() << "DC Error: wait for printing receipt";
this->errorCode = "PRINTER"; // TODO: get more detailed error code from low level API
this->errorDescription = "Printer error"; // TODO: get more detailed error description from low level API
emit this->printReceiptFinished(nsDeviceControllerInterface::RESULT_STATE::ERROR_BACKEND,
this->errorCode,
this->errorDescription);
break;
default:
qCritical() << "DC Error: wait for printing receipt";
this->errorCode = "PRINTER"; // TODO: get more detailed error code from low level API
this->errorDescription = "Printer error"; // TODO: get more detailed error description from low level API
emit this->printReceiptFinished(nsDeviceControllerInterface::RESULT_STATE::ERROR_BACKEND,
this->errorCode,
this->errorDescription);
break;
}
}
void ATBDeviceControllerPlugin::requestPrintTicket(const QHash<QString, QVariant> & printingData)
{
@@ -662,21 +712,21 @@ void ATBDeviceControllerPlugin::onPrinterDataPrepared()
// note: calling prn_getPrintResult() immediately may result in wrong answer!
// We have to wait "about some seconds" until calling this function!
QTimer::singleShot(4000, this, SLOT(onPrinterWaitForPrinting()));
QTimer::singleShot(4000, this, SLOT(onPrinterWaitForPrintingTicket()));
// old: use printer templates:
// this->currentTemplate = 1;
// this->onPrinterPrintNextTemplate();
}
void ATBDeviceControllerPlugin::onPrinterWaitForPrinting()
void ATBDeviceControllerPlugin::onPrinterWaitForPrintingTicket()
{
quint8 printerResult = this->hw->prn_getPrintResult();
switch (printerResult) {
case 0: // still printing
qCritical() << "--> printer: WaitForPrinting";
QTimer::singleShot(2000, this, SLOT(onPrinterWaitForPrinting()));
qCritical() << "--> printer: WaitForPrintingTicket";
QTimer::singleShot(2000, this, SLOT(onPrinterWaitForPrintingTicket()));
break;
case 1: // printing finished, Ok
this->onPrintFinishedOK();

4
src/ATBAPP/ATBDeviceControllerPlugin.h
View File

@@ -52,6 +52,7 @@ public:
void requestPrintTicket(const QHash<QString, QVariant> & printingData);
void requestPrintTicket(nsDeviceControllerInterface::TICKET_VARIANT ticketVariant, const QHash<QString, QVariant> & printingData);
void requestPrintReceipt(const QHash<QString, QVariant> & printingData);
void requestPrintReceipt(const QString & printingString);
// TASKS: Account -------------------------------------------------------------
void requestAccount();
@@ -125,7 +126,8 @@ private slots:
void onPrinterDataPrepared();
void onPrinterDataPreparedForTemplates();
void onPrinterPrintNextTemplate();
void onPrinterWaitForPrinting();
void onPrinterWaitForPrintingTicket();
void onPrinterWaitForPrintingReceipt();
void onPrintFinishedOK();
void onPrintFinishedERR();