From e035bbac37a61991708d89122811309186d33dd7 Mon Sep 17 00:00:00 2001
From: Perry Werneck <perry.werneck@gmail.com>
Date: Thu, 24 Jan 2019 14:37:13 -0200
Subject: [PATCH] Adding print methods in the main library.

---
 src/include/lib3270.h         | 21 +++++++++++++++++++--
 src/include/lib3270/session.h |  3 +--
 src/lib3270/session.c         |  4 ++--
 src/lib3270/util.c            | 22 ++++++++++++++++++----
 4 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/src/include/lib3270.h b/src/include/lib3270.h
index fb5e1af..27b0a7a 100644
--- a/src/include/lib3270.h
+++ b/src/include/lib3270.h
@@ -82,6 +82,17 @@
 	#define LIB3270_LUNAME_LENGTH			16
 
 	/**
+	 * @brief Print modes.
+	 *
+	 */
+	typedef enum _lib3270_print_mode
+	{
+		LIB3270_PRINT_ALL,
+		LIB3270_PRINT_SELECTED,
+		LIB3270_PRINT_COPY
+	} LIB3270_PRINT_MODE;
+
+	/**
 	 * @brief Character attributes.
 	 */
 	typedef enum _lib3270_attr
@@ -720,15 +731,21 @@
 	 */
 	 LIB3270_EXPORT int lib3270_move_cursor(H3270 *h, LIB3270_DIRECTION dir, unsigned char sel);
 
+
 	/**
 	 * @brief Print page
 	 *
-	 * @param h		Session Handle.
+	 * @param hSession	Session Handle.
+	 * @param mode		Print mode.
 	 *
 	 * @return 0 if ok, error code if not.
 	 *
 	 */
-	LIB3270_EXPORT int lib3270_print(H3270 *h);
+	LIB3270_EXPORT int lib3270_print(H3270 *hSession, LIB3270_PRINT_MODE mode);
+
+	LIB3270_EXPORT int lib3270_print_all(H3270 *hSession);
+	LIB3270_EXPORT int lib3270_print_selected(H3270 *hSession);
+	LIB3270_EXPORT int lib3270_print_copy(H3270 *hSession);
 
 	/**
 	 * @brief Get buffer contents.
diff --git a/src/include/lib3270/session.h b/src/include/lib3270/session.h
index 10f147d..3b4efa1 100644
--- a/src/include/lib3270/session.h
+++ b/src/include/lib3270/session.h
@@ -74,8 +74,7 @@
 		void (*set_selection)(H3270 *session, unsigned char on);
 		void (*ctlr_done)(H3270 *session);
 		void (*autostart)(H3270 *session);
-		int  (*print)(H3270 *session);
-
+		int  (*print)(H3270 *session, LIB3270_PRINT_MODE mode);
 
 		void (*message)(H3270 *session, LIB3270_NOTIFY id , const char *title, const char *message, const char *text);
 		void (*popup)(H3270 *session, LIB3270_NOTIFY id, const char *title, const char *msg, const char *fmt, va_list);
diff --git a/src/lib3270/session.c b/src/lib3270/session.c
index 45eefd3..897dbf2 100644
--- a/src/lib3270/session.c
+++ b/src/lib3270/session.c
@@ -185,10 +185,10 @@ static void set_cursor(H3270 *session unused, LIB3270_POINTER id unused)
 {
 }
 
-static int print(H3270 *session)
+static int print(H3270 *session, LIB3270_PRINT_MODE mode unused)
 {
 	lib3270_write_log(session, "print", "%s", "Printing is unavailable");
-	return -1;
+	return errno = ENOTSUP;
 }
 
 static void message(H3270 *session, LIB3270_NOTIFY id  unused, const char *title, const char *msg, const char *text)
diff --git a/src/lib3270/util.c b/src/lib3270/util.c
index eaed157..c18caf9 100644
--- a/src/lib3270/util.c
+++ b/src/lib3270/util.c
@@ -592,13 +592,27 @@ void lib3270_popup_an_errno(H3270 *hSession, int errn, const char *fmt, ...)
 
 }
 
-LIB3270_EXPORT int lib3270_print(H3270 *h)
+LIB3270_EXPORT int lib3270_print(H3270 *hSession, LIB3270_PRINT_MODE mode)
 {
-	CHECK_SESSION_HANDLE(h);
-	trace("%s(%p)",__FUNCTION__,h);
-	return h->cbk.print(h);
+	return hSession->cbk.print(hSession, mode);
 }
 
+LIB3270_EXPORT int lib3270_print_all(H3270 *hSession)
+{
+	return lib3270_print(hSession,LIB3270_PRINT_ALL);
+}
+
+LIB3270_EXPORT int lib3270_print_selected(H3270 *hSession)
+{
+	if(lib3270_has_selection(hSession))
+		return lib3270_print(hSession,LIB3270_PRINT_SELECTED);
+	return errno = ENODATA;
+}
+
+LIB3270_EXPORT int lib3270_print_copy(H3270 *hSession)
+{
+	return lib3270_print(hSession,LIB3270_PRINT_COPY);
+}
 
 LIB3270_EXPORT LIB3270_POINTER lib3270_get_pointer(H3270 *hSession, int baddr)
 {
--
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