Support remote image by OSC 5379 show_picture sequence.

1 files changed, 41 insertions, 1 deletions

diff --git a/main.c b/main.c
index c8f1e82..e00eb5e 100644
--- a/main.c
+++ b/main.c
@@ -122,6 +122,42 @@ static int searchKeyNum(void);
 #define help() fusage(stdout, 0)
 #define usage() fusage(stderr, 1)
 
+int support_remote_image;
+
+static void
+check_support_remote_image(void)
+{
+    char *env;
+
+    if ((env = getenv("MLTERM"))) {
+	char *p;
+	int major;
+	int minor;
+	int micro;
+
+	if (!(p = strchr(env,'.')))
+	    return;
+	*p = '\0';
+	major = atoi(env);
+	env = p + 1;
+
+	if (!(p = strchr(env,'.')))
+	    return;
+	*p = '\0';
+	minor = atoi(env);
+	env = p + 1;
+	micro = atoi(env) ;
+
+	if (major > 3 ||
+	    (major == 3 && (minor > 1 || (minor == 1 && micro >= 7)))) {
+	    support_remote_image = 1 ;
+	    set_environ( "W3M_USE_REMOTE_IMAGE","1");	/* for w3mimgdisplay */
+	}
+    }
+
+    return;
+}
+
 static void
 fversion(FILE * f)
 {
@@ -409,7 +445,7 @@ main(int argc, char **argv, char **envp)
 #if defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE)
     char **getimage_args = NULL;
 #endif /* defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE) */
-
+    check_support_remote_image();
     GC_INIT();
 #if defined(ENABLE_NLS) || (defined(USE_M17N) && defined(HAVE_LANGINFO_CODESET))
     setlocale(LC_ALL, "");
@@ -679,6 +715,10 @@ main(int argc, char **argv, char **envp)
 		}
 	    }
 #endif
+	    else if (!strcmp("-ri" , argv[i])) {
+	        support_remote_image = 1;
+		set_environ( "W3M_USE_REMOTE_IMAGE","1");	/* for w3mimgdisplay */
+	    }
 	    else if (!strcmp("-num", argv[i]))
 		showLineNum = TRUE;
 	    else if (!strcmp("-no-proxy", argv[i]))