[PATCH 0/3] MR4026: Add ResetPrinter support and use it in ResetDC.

[Piotr Caban (＠piotr)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55718

[PATCH 1/3] localspl: Add ResetPrinter implementation.

[Piotr Caban]

From: Piotr Caban

---
 dlls/localspl/provider.c | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/dlls/localspl/provider.c b/dlls/localspl/provider.c
index 762f61dbf57..26e9c66bea0 100644
--- a/dlls/localspl/provider.c
+++ b/dlls/localspl/provider.c
@@ -2472,6 +2472,36 @@ static BOOL WINAPI fpDeleteMonitor(LPWSTR pName, LPWSTR pEnvironment, LPWSTR pMo
     return FALSE;
 }

+static BOOL WINAPI fpResetPrinter(HANDLE hprinter, PRINTER_DEFAULTSW *def)
+{
+    printer_t *printer = (printer_t *)hprinter;
+
+    if (!printer || printer->header.type != HANDLE_PRINTER)
+    {
+        SetLastError(ERROR_INVALID_HANDLE);
+        return FALSE;
+    }
+
+    if (!def)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    free(printer->datatype);
+    if (def->pDatatype)
+        printer->datatype = wcsdup(def->pDatatype);
+    else
+        printer->datatype = NULL;
+
+    free(printer->devmode);
+    if (def->pDevMode)
+        printer->devmode = dup_devmode(def->pDevMode);
+    else
+        printer->devmode = NULL;
+    return TRUE;
+}
+
 /*****************************************************************************
  * fpDeletePort [exported through PRINTPROVIDOR]
  *
@@ -4111,7 +4141,7 @@ static const PRINTPROVIDOR backend = {
         NULL,   /* fpPrinterMessageBox */
         fpAddMonitor,
         fpDeleteMonitor,
-        NULL,   /* fpResetPrinter */
+        fpResetPrinter,
         NULL,   /* fpGetPrinterDriverEx */
         NULL,   /* fpFindFirstPrinterChangeNotification */
         NULL,   /* fpFindClosePrinterChangeNotification */

[PATCH 2/3] winspool.drv: Add ResetPrinterW implementation.

[Piotr Caban]

From: Piotr Caban

---
 dlls/winspool.drv/info.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/dlls/winspool.drv/info.c b/dlls/winspool.drv/info.c
index 8a948ce7575..c1c3b8bf629 100644
--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -3280,10 +3280,19 @@ BOOL WINAPI ResetPrinterA(HANDLE hPrinter, LPPRINTER_DEFAULTSA pDefault)
 /*****************************************************************************
  *          ResetPrinterW  [WINSPOOL.@]
  */
-BOOL WINAPI ResetPrinterW(HANDLE hPrinter, LPPRINTER_DEFAULTSW pDefault)
+BOOL WINAPI ResetPrinterW(HANDLE printer, PRINTER_DEFAULTSW *def)
 {
-    FIXME("(%p, %p): stub\n", hPrinter, pDefault);
-    return FALSE;
+    HANDLE handle  = get_backend_handle(printer);
+
+    TRACE("(%p, %p)\n", printer, def);
+
+    if (!handle)
+    {
+        SetLastError( ERROR_INVALID_HANDLE );
+        return FALSE;
+    }
+
+    return backend->fpResetPrinter(handle, def);
 }

/*****************************************************************************

[PATCH 3/3] gdi32: Update printer DEVMODE in ResetDCW.

[Piotr Caban]

From: Piotr Caban

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55718
---
 dlls/gdi32/dc.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/dlls/gdi32/dc.c b/dlls/gdi32/dc.c
index e1f6703f81e..b74886379bf 100644
--- a/dlls/gdi32/dc.c
+++ b/dlls/gdi32/dc.c
@@ -524,7 +524,18 @@ HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
     print = get_dc_print( dc_attr );
     if (print && print->flags & CALL_END_PAGE) return 0;
     if (!NtGdiResetDC( hdc, devmode, NULL, NULL, NULL )) return 0;
-    if (print && !print_copy_devmode( print, devmode )) return 0;
+    if (print)
+    {
+        PRINTER_DEFAULTSW prn_defaults =
+        {
+            .pDatatype = NULL,
+            .pDevMode = (DEVMODEW *)devmode,
+            .DesiredAccess = PRINTER_ACCESS_USE
+        };
+
+        if (!print_copy_devmode( print, devmode )) return 0;
+        ResetPrinterW( print->printer, &prn_defaults );
+    }
     return hdc;
 }

[Piotr Caban (＠piotr)]

With the patches ResetDC calls before StartDoc changes print job devmode. On Windows 10 it's possible to change the print job devmode until first StartPage call.

[Piotr Caban (＠piotr)]

Marking as a draft since it's not good enough for bug 55718.