diff options
Diffstat (limited to 'printing')
| -rw-r--r-- | printing/printing_context_win.cc | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/printing/printing_context_win.cc b/printing/printing_context_win.cc index 1acdc6a..8d6252d 100644 --- a/printing/printing_context_win.cc +++ b/printing/printing_context_win.cc @@ -203,11 +203,47 @@ PrintingContext::Result PrintingContextWin::UseDefaultSettings() { PRINTDLG dialog_options = { sizeof(PRINTDLG) }; dialog_options.Flags = PD_RETURNDC | PD_RETURNDEFAULT; - if (PrintDlg(&dialog_options) == 0) { - ResetSettings(); - return FAILED; + if (PrintDlg(&dialog_options)) + return ParseDialogResult(dialog_options); + + // No default printer configured, do we have any printers at all? + DWORD bytes_needed = 0; + DWORD count_returned = 0; + (void)::EnumPrinters(PRINTER_ENUM_LOCAL|PRINTER_ENUM_CONNECTIONS, + NULL, 2, NULL, 0, &bytes_needed, &count_returned); + if (bytes_needed) { + DCHECK(bytes_needed >= count_returned * sizeof(PRINTER_INFO_2)); + scoped_array<BYTE> printer_info_buffer(new BYTE[bytes_needed]); + BOOL ret = ::EnumPrinters(PRINTER_ENUM_LOCAL|PRINTER_ENUM_CONNECTIONS, + NULL, 2, printer_info_buffer.get(), + bytes_needed, &bytes_needed, + &count_returned); + if (ret && count_returned) { // have printers + // Open the first successfully found printer. + for (DWORD count = 0; count < count_returned; count++) { + PRINTER_INFO_2* info_2; + info_2 = reinterpret_cast<PRINTER_INFO_2*>( + printer_info_buffer.get() + count * sizeof(PRINTER_INFO_2)); + std::wstring printer_name = info_2->pPrinterName; + if (info_2->pDevMode == NULL || printer_name.length() == 0) + continue; + if (!AllocateContext(printer_name, info_2->pDevMode, &context_)) + break; + if (InitializeSettings(*info_2->pDevMode, printer_name, + NULL, 0, false)) + break; + if (context_) { + ::DeleteDC(context_); + context_ = NULL; + } + } + if (context_) + return OK; + } } - return ParseDialogResult(dialog_options); + + ResetSettings(); + return FAILED; } PrintingContext::Result PrintingContextWin::UpdatePrintSettings( |