Bug 339699 - implement gtk_print_operation_set_show_dialog for Windows

2008-08-02  Tor Lillqvist  <tml@novell.com>

	Bug 339699 - implement gtk_print_operation_set_show_dialog for
	Windows
	
	* gtk/gtkprint-win32.c
	* gtk/gtkprint-win32.h
	* gtk/gtkprintoperation-win32.c: Patch by ecyrbe@gmail.com.


svn path=/trunk/; revision=20942

1 files changed, 175 insertions, 6 deletions

diff --git a/gtk/gtkprintoperation-win32.c b/gtk/gtkprintoperation-win32.c
index ec6f9cc02c..23ad8e3200 100644
--- a/gtk/gtkprintoperation-win32.c
+++ b/gtk/gtkprintoperation-win32.c
@@ -416,6 +416,21 @@ paper_size_to_win32 (GtkPaperSize *paper_size)
   return 0;
 }
 
+gchar* win32_get_default_printer(){
+  gunichar2* win32_printer_name = NULL;
+  gchar*     printer_name = NULL;
+  DWORD needed;
+  GetDefaultPrinterW(NULL,&needed);
+  win32_printer_name = g_malloc((gsize)needed*sizeof(gunichar2));
+  if(!GetDefaultPrinterW(win32_printer_name,&needed)){
+     g_free(win32_printer_name);
+	 return NULL;
+  }
+  printer_name = g_utf16_to_utf8(win32_printer_name,-1,NULL,NULL,NULL);
+  g_free(win32_printer_name);
+  return printer_name;
+}
+
 void
 win32_start_page (GtkPrintOperation *op,
 		  GtkPrintContext *print_context,
@@ -766,7 +781,7 @@ devmode_to_settings (GtkPrintSettings *settings,
     }
   
   if (devmode->dmFields & DM_COLOR)
-    gtk_print_settings_set_use_color (settings, devmode->dmFields == DMCOLOR_COLOR);
+    gtk_print_settings_set_use_color (settings, devmode->dmColor == DMCOLOR_COLOR);
   
   if (devmode->dmFields & DM_DUPLEX)
     {
@@ -1179,7 +1194,7 @@ dialog_from_print_settings (GtkPrintOperation *op,
   
   printer = gtk_print_settings_get_printer (settings);
   if (printer)
-    printdlgex->hDevNames = gtk_print_win32_devnames_from_printer_name (printer);
+    printdlgex->hDevNames = gtk_print_win32_devnames_to_win32_from_printer_name (printer);
   
   printdlgex->hDevMode = devmode_from_settings (settings,
 						op->priv->default_page_setup);
@@ -1452,9 +1467,148 @@ create_page_setup (GtkPrintOperation *op)
   return page_setup;
 }
 
-GtkPrintOperationResult
-_gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
-						  gboolean show_dialog,
+GtkPrintOperationResult gtk_print_operation_run_without_dialog(GtkPrintOperation *op,
+						  gboolean *do_print)
+{
+  GtkPrintOperationResult result;
+  GtkPrintOperationWin32 *op_win32;
+  GtkPrintOperationPrivate *priv;
+  GtkPrintSettings *settings;
+  GtkPageSetup *page_setup;
+  DOCINFOW docinfo;
+  HGLOBAL hDevMode    = NULL;
+  HGLOBAL hDevNames   = NULL;
+  HDC     hDC         = NULL;
+  const char* printer = NULL;
+  double dpi_x, dpi_y;
+  int job_id;
+  cairo_t *cr;
+  *do_print = FALSE;
+
+  priv     = op->priv;
+  settings = priv->print_settings;
+  
+  op_win32 = g_new0 (GtkPrintOperationWin32, 1);
+  priv->platform_data = op_win32;
+  priv->free_platform_data = (GDestroyNotify) op_win32_free;
+  printer = gtk_print_settings_get_printer (settings);
+
+  if (!printer){
+      /**
+      no printer selected,
+      get the system default printer and store it to settings
+      */
+	  gchar* tmp_printer = win32_get_default_printer();
+	  if(!tmp_printer){
+            result = GTK_PRINT_OPERATION_RESULT_ERROR;
+		  	g_set_error_literal (&priv->error,
+		     GTK_PRINT_ERROR,
+		     GTK_PRINT_ERROR_INTERNAL_ERROR,
+		     _("No printer found"));
+			goto out;
+	  }
+	  gtk_print_settings_set_printer(settings,tmp_printer);
+      printer = gtk_print_settings_get_printer (settings);
+	  g_free(tmp_printer);
+  }
+  
+  hDevNames = gtk_print_win32_devnames_to_win32_from_printer_name (printer);
+  hDevMode = devmode_from_settings (settings,
+						op->priv->default_page_setup);
+
+  /**
+  create a printer DC for the print settings and pagesetup provided
+  */
+  DEVNAMES *pdn = GlobalLock(hDevNames);
+  DEVMODEW *pdm = GlobalLock(hDevMode);
+  hDC = CreateDCW((gunichar2*)pdn + pdn->wDriverOffset,
+                  (gunichar2*)pdn + pdn->wDeviceOffset,
+                  (gunichar2*)pdn + pdn->wOutputOffset,
+                  pdm );
+  GlobalUnlock(hDevNames);
+  GlobalUnlock(hDevMode);
+
+  if(!hDC){
+      result = GTK_PRINT_OPERATION_RESULT_ERROR;
+      g_set_error_literal (&priv->error,
+             GTK_PRINT_ERROR,
+             GTK_PRINT_ERROR_INTERNAL_ERROR,
+             _("Invalid argument to CreateDC"));
+	  goto out;
+  }
+  
+  priv->print_context = _gtk_print_context_new (op);
+  page_setup = create_page_setup (op);
+  _gtk_print_context_set_page_setup (priv->print_context, page_setup);
+  g_object_unref (page_setup);
+
+  *do_print = TRUE;
+
+  op_win32->surface = cairo_win32_printing_surface_create (hDC);
+  dpi_x = (double)GetDeviceCaps (hDC, LOGPIXELSX);
+  dpi_y = (double)GetDeviceCaps (hDC, LOGPIXELSY);
+
+  cr = cairo_create (op_win32->surface);
+  gtk_print_context_set_cairo_context (priv->print_context, cr, dpi_x, dpi_y);
+  cairo_destroy (cr);
+
+  memset( &docinfo, 0, sizeof (DOCINFOW));
+  docinfo.cbSize = sizeof (DOCINFOW); 
+  docinfo.lpszDocName = g_utf8_to_utf16 (op->priv->job_name,
+                                         -1, NULL, NULL, NULL); 
+  docinfo.lpszOutput = (LPCWSTR) NULL; 
+  docinfo.lpszDatatype = (LPCWSTR) NULL; 
+  docinfo.fwType = 0; 
+
+  job_id = StartDocW(hDC, &docinfo); 
+  g_free ((void *)docinfo.lpszDocName);
+  if (job_id <= 0) 
+  { 
+    result = GTK_PRINT_OPERATION_RESULT_ERROR;
+    g_set_error_literal (&priv->error,
+           GTK_PRINT_ERROR,
+           GTK_PRINT_ERROR_GENERAL,
+           _("Error from StartDoc"));
+    *do_print = FALSE;
+    cairo_surface_destroy (op_win32->surface);
+    op_win32->surface = NULL;
+    goto out; 
+  } 
+
+  result = GTK_PRINT_OPERATION_RESULT_APPLY;
+  op_win32->hdc = hDC;
+  op_win32->devmode = hDevMode;
+  op_win32->devnames = hDevNames;
+  op_win32->job_id = job_id;
+  op->priv->print_pages = gtk_print_settings_get_print_pages (op->priv->print_settings);
+  op->priv->num_page_ranges = 0;
+  if (op->priv->print_pages == GTK_PRINT_PAGES_RANGES)
+    op->priv->page_ranges = gtk_print_settings_get_page_ranges (op->priv->print_settings,
+								&op->priv->num_page_ranges);
+  op->priv->manual_num_copies = 1;
+  op->priv->manual_collation = FALSE;
+  op->priv->manual_reverse = FALSE;
+  op->priv->manual_orientation = FALSE;
+  op->priv->manual_scale = 1.0;
+  op->priv->manual_page_set = GTK_PAGE_SET_ALL;
+
+  op->priv->start_page = win32_start_page;
+  op->priv->end_page = win32_end_page;
+  op->priv->end_run = win32_end_run;
+  
+  out:
+  if (!*do_print && hDC != NULL)
+    DeleteDC(hDC);
+
+  if (!*do_print && hDevMode != NULL)
+    GlobalFree(hDevMode);
+
+  if (!*do_print && hDevNames != NULL)
+    GlobalFree(hDevNames);
+
+  return result;
+}
+GtkPrintOperationResult gtk_print_operation_run_with_dialog(GtkPrintOperation *op,
 						  GtkWindow *parent,
 						  gboolean *do_print)
 {
@@ -1665,6 +1819,9 @@ _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
   op->priv->end_run = win32_end_run;
   
   out:
+  if (!*do_print && printdlgex && printdlgex->hDC != NULL)
+    DeleteDC(printdlgex->hDC);
+
   if (!*do_print && printdlgex && printdlgex->hDevMode != NULL) 
     GlobalFree(printdlgex->hDevMode); 
 
@@ -1683,6 +1840,18 @@ _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
   return result;
 }
 
+GtkPrintOperationResult
+_gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
+						  gboolean show_dialog,
+						  GtkWindow *parent,
+						  gboolean *do_print)
+{
+	if(show_dialog)
+		return gtk_print_operation_run_with_dialog(op,parent,do_print);
+	else
+		return gtk_print_operation_run_without_dialog(op,do_print);
+}
+
 void
 _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
 						      cairo_surface_t   *surface,
@@ -1820,7 +1989,7 @@ gtk_print_run_page_setup_dialog (GtkWindow        *parent,
   pagesetupdlg->hDevNames = NULL;
   printer = gtk_print_settings_get_printer (settings);
   if (printer)
-    pagesetupdlg->hDevNames = gtk_print_win32_devnames_from_printer_name (printer);
+    pagesetupdlg->hDevNames = gtk_print_win32_devnames_to_win32_from_printer_name (printer);
 
   GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IMEASURE|LOCALE_RETURN_NUMBER,
 		 (LPWSTR)&measure_system, sizeof (DWORD));