From 4f3d3364de8f1c23819051cb9f392fc651565b95 Mon Sep 17 00:00:00 2001
From: joe <rbousset@42lyon.fr>
Date: Tue, 1 Dec 2020 18:36:35 +0100
Subject: commit

---
 src/c_init.c | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'src/c_init.c')

diff --git a/src/c_init.c b/src/c_init.c
index 965af3f..b463830 100644
--- a/src/c_init.c
+++ b/src/c_init.c
@@ -23,6 +23,7 @@
 #include "c_keys_next.h"
 #include "c_input.h"
 #include "c_utils.h"
+#include "d_define.h"
 #include "b_exit.h"
 #include "s_struct.h"
 #include "s_com.h"
@@ -105,11 +106,36 @@ static short
 		return (0);
 }
 
+char	*c_set_ptr(t_bool reset, char key, t_msh *msh)
+{
+	static char	*p = NULL;
+
+	if (reset == TRUE)
+	{
+		p = msh->curr_hist_ptr + ft_strlen(msh->curr_hist_ptr);
+		return (NULL);
+	}
+	if ((key == -1 && p - msh->curr_hist_ptr != 0) || key == 1)
+	{
+		p += (key == -1) ? (2 * key) : (0);
+		while (((key == -1 && p - msh->curr_hist_ptr != 0) || key == 1) && *p != C_LF && *p != C_NUL)
+		{
+			p += key;
+		}
+		if (p - msh->curr_hist_ptr != 0 && *p != C_NUL)
+		{
+			p += 1;
+		}
+	}
+	return (p);
+}
+
 static char
 	*c_process_key(char *buf, t_caps *tcaps, t_msh *msh)
 {
 	static char	*line = NULL;
 	int			i;
+	char		*ptr;
 
 	i = -1;
 	if (line == NULL)
@@ -120,7 +146,15 @@ static char
 	else if (((*((unsigned int *)buf)) == UP_K) ||
 			((*((unsigned int *)buf)) == CTRL_P))
 	{
-		c_key_up(&line, tcaps, msh);
+		ptr = c_set_ptr(FALSE, -1, msh);
+		c_key_up_down(&line, tcaps, ptr);
+		c_redraw_line(line, tcaps, msh);
+	}
+	else if (((*((unsigned int *)buf)) == DOWN_K) ||
+			((*((unsigned int *)buf)) == CTRL_N))
+	{
+		ptr = c_set_ptr(FALSE, 1, msh);
+		c_key_up_down(&line, tcaps, ptr);
 		c_redraw_line(line, tcaps, msh);
 	}
 	else if ((*((unsigned int *)buf)) == DEL_K)
-- 
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