From b68041954603518a4d76e5eab4ddbc0ccdcc33b8 Mon Sep 17 00:00:00 2001
From: perry.werneck@gmail.com <perry.werneck@gmail.com@d25448e0-c022-0410-b998-a785f7053de0>
Date: Fri, 31 May 2013 12:57:26 +0000
Subject: [PATCH] Impressão passa a salvar/restaurar configuração do papel

---
 src/pw3270/print.c           | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 src/pw3270/v3270/selection.c |  17 ++++++++---------
 2 files changed, 150 insertions(+), 13 deletions(-)

diff --git a/src/pw3270/print.c b/src/pw3270/print.c
index 3dbd76e..f4e56af 100644
--- a/src/pw3270/print.c
+++ b/src/pw3270/print.c
@@ -331,6 +331,7 @@ static gchar * enum_to_string(GType type, guint enum_value)
 		gtk_page_setup_to_key_file(pgsetup,conf,"page_setup");
         gtk_paper_size_to_key_file(papersize,conf,"paper_size");
 #endif
+
 	}
 
 	if(info->font_scaled)
@@ -548,6 +549,31 @@ static gchar * enum_to_string(GType type, guint enum_value)
  	trace("%s: %s=\"%s\"",__FUNCTION__,key,val);
 	gtk_print_settings_set(GTK_PRINT_SETTINGS(settings), key, val);
  }
+
+ // From https://git.gnome.org/browse/gtk+/tree/gtk/gtkprintutils.h
+ #define MM_PER_INCH 25.4
+ #define POINTS_PER_INCH 72
+
+ // From https://git.gnome.org/browse/gtk+/tree/gtk/gtkprintutils.c
+ static gdouble _gtk_print_convert_from_mm (gdouble len, GtkUnit unit)
+ {
+    switch (unit)
+    {
+    case GTK_UNIT_MM:
+        return len;
+    case GTK_UNIT_INCH:
+        return len / MM_PER_INCH;
+
+    default:
+        g_warning ("Unsupported unit");
+
+    /* Fall through */
+    case GTK_UNIT_POINTS:
+        return len / (MM_PER_INCH / POINTS_PER_INCH);
+        break;
+    }
+ }
+
 #endif // WIN32
 
  static GtkPrintOperation * begin_print_operation(GObject *obj, GtkWidget *widget, PRINT_INFO **info)
@@ -555,7 +581,7 @@ static gchar * enum_to_string(GType type, guint enum_value)
  	GtkPrintOperation	* print 	= gtk_print_operation_new();
 	GtkPrintSettings 	* settings	= gtk_print_settings_new();
 	GtkPageSetup 		* setup 	= gtk_page_setup_new();
-    GtkPaperSize        * papersize = gtk_paper_size_new((const gchar *) g_object_get_data(obj,"papersize"));
+    GtkPaperSize        * papersize = NULL;
 
  	*info = g_new0(PRINT_INFO,1);
  	(*info)->session 	= v3270_get_session(widget);
@@ -593,8 +619,9 @@ static gchar * enum_to_string(GType type, guint enum_value)
 
 		if(get_registry_handle("print",&registry,KEY_READ))
 		{
-			HKEY 	hKey;
-			DWORD	disp;
+			HKEY 	  hKey;
+			DWORD	  disp;
+			gchar   * attr  = g_object_get_data(obj,"papersize");
 
 			registry_foreach(registry,"settings",update_settings,(gpointer) settings);
 
@@ -612,13 +639,99 @@ static gchar * enum_to_string(GType type, guint enum_value)
 				RegCloseKey(hKey);
 			}
 
-			#warning Work in progress
+            if(attr)
+            {
+                // Paper is defined in xml, use it
+                papersize = gtk_paper_size_new(attr);
+            }
+			else if(RegCreateKeyEx(registry,"paper",0,NULL,REG_OPTION_NON_VOLATILE,KEY_READ,NULL,&hKey,&disp) == ERROR_SUCCESS)
+            {
+                // Use saved paper size
+                // Reference: https://git.gnome.org/browse/gtk+/tree/gtk/gtkpapersize.c
+                struct _papersettings
+                {
+                    const gchar * name;
+                    gchar       * value;
+                } papersettings[] =
+                {
+                    { "PPDName",     NULL   },
+                    { "Name",        NULL   },
+                    { "DisplayName", NULL   }
+                };
+
+                int f;
+                gdouble width, height;
+
+                // Read paper settings
+                registry_get_double(hKey, "Width",  &width);
+                registry_get_double(hKey, "Height", &height);
+
+                for(f=0;f<G_N_ELEMENTS(papersettings);f++)
+                {
+                    BYTE data[4097];
+                    unsigned long datatype;
+                    unsigned long datalen 	= 4096;
+
+                    if(RegQueryValueExA(hKey,papersettings[f].name,NULL,&datatype,data,&datalen) == ERROR_SUCCESS)
+                    {
+                        data[datalen+1] = 0;
+                        trace("paper[%s]=\"%s\"",papersettings[f].name,data);
+                        papersettings[f].value = g_strdup((gchar *) data);
+                    }
+                }
+
+                #define ppd_name        papersettings[0].value
+                #define name            papersettings[1].value
+                #define display_name    papersettings[2].value
+
+                if(!display_name)
+                    display_name = g_strdup(name);
+
+                if(ppd_name)
+                {
+                    papersize = gtk_paper_size_new_from_ppd(    ppd_name,
+                                                                display_name,
+                                                                _gtk_print_convert_from_mm(width,GTK_UNIT_POINTS),
+                                                                _gtk_print_convert_from_mm(height,GTK_UNIT_POINTS));
+                }
+                else if(name)
+                {
+                    papersize = gtk_paper_size_new_custom(name, display_name,width, height, GTK_UNIT_MM);
+                }
+                else
+                {
+                    g_warning("Invalid paper size settings, using defaults");
+                    papersize = gtk_paper_size_new(NULL);
+                }
+
+                // Release memory
+                #undef ppd_name
+                #undef display_name
+                #undef name
+
+                for(f=0;f<G_N_ELEMENTS(papersettings);f++)
+                {
+                    if(papersettings[f].value)
+                        g_free(papersettings[f].value);
+                }
+
+				RegCloseKey(hKey);
+
+            }
+            else
+            {
+                // Create default
+                papersize = gtk_paper_size_new(NULL);
+            }
+
+
 			RegCloseKey(registry);
 		}
 
 #else
 		GKeyFile	* conf	= get_application_keyfile();
 		GError		* err	= NULL;
+		gchar       * attr  = g_object_get_data(obj,"papersize");
 
 		if(!gtk_print_settings_load_key_file(settings,conf,"print_settings",&err))
 		{
@@ -634,6 +747,31 @@ static gchar * enum_to_string(GType type, guint enum_value)
 			err = NULL;
 		}
 
+		if(attr)
+        {
+            // Paper is defined in xml, use it
+            papersize = gtk_paper_size_new(attr);
+        }
+        else if(g_key_file_has_group(conf,"paper_size"))
+        {
+            // Use saved paper size
+            GError *err = NULL;
+
+            papersize = gtk_paper_size_new_from_key_file(conf,"paper_size",&err);
+            if(err)
+            {
+                g_warning("Error loading paper size: %s",err->message);
+                g_error_free(err);
+            }
+
+            trace("Papersize: %p",papersize);
+        }
+        else
+        {
+            // Create default
+            papersize = gtk_paper_size_new(NULL);
+        }
+
 #endif
 	}
 
diff --git a/src/pw3270/v3270/selection.c b/src/pw3270/v3270/selection.c
index 6028296..c79f4a0 100644
--- a/src/pw3270/v3270/selection.c
+++ b/src/pw3270/v3270/selection.c
@@ -81,6 +81,14 @@ static void clipboard_get(GtkClipboard *clipboard, GtkSelectionData *selection, 
 	}
 }
 
+/**
+ * Get text at informed area.
+ *
+ * @param widget    Widget.
+ * @param offset    Offset of the desired text.
+ * @param len       Number of characters to get.
+ *
+ */
 gchar * v3270_get_text(GtkWidget *widget, int offset, int len)
 {
 	v3270	* terminal;
@@ -139,7 +147,6 @@ static const char * update_selected_text(GtkWidget *widget, gboolean cut)
 		{
 			int		  c;
 			gchar 	* ptr = ln[l];
-//			GString	* buffer;
 
 			for(c=0;c<width && *ptr;c++)
 			{
@@ -289,14 +296,6 @@ void v3270_copy_append(GtkWidget *widget)
         lib3270_free(str);
     }
 
-/*
-	text = g_convert(terminal->selection.text, -1, "UTF-8", lib3270_get_charset(terminal->host), NULL, NULL, NULL);
-	gtk_clipboard_set_text(gtk_widget_get_clipboard(widget,GDK_SELECTION_CLIPBOARD),text,-1);
-    g_free(text);
-
-	g_signal_emit(widget,v3270_widget_signal[SIGNAL_CLIPBOARD], 0, TRUE);
-*/
-
     update_system_clipboard(widget);
 
 }
--
libgit2 0.21.2