1 files changed, 103 insertions, 0 deletions
diff --git a/cmdline.cpp b/cmdline.cpp
new file mode 100644
index 0000000..2135f9a
--- /dev/null
+++ b/cmdline.cpp
@@ -0,0 +1,103 @@
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gprintf.h>
+
+#include "sciteco.h"
+
+static gchar *macro_echo(const gchar *macro, const gchar *prefix = "");
+
+gchar *cmdline = NULL;
+
+void
+cmdline_keypress(gchar key)
+{
+	gchar insert[255] = "";
+	gint old_cmdline_len = 0;
+	gchar *echo;
+
+	/*
+	 * Process immediate editing commands
+	 */
+	switch (key) {
+	case '\b':
+		if (!cmdline || !*cmdline)
+			break;
+		old_cmdline_len = strlen(cmdline);
+
+		undo.pop(old_cmdline_len);
+		cmdline[old_cmdline_len-1] = '\0';
+		macro_pc--;
+		break;
+	default:
+		insert[0] = key;
+		insert[1] = '\0';
+	}
+
+	/*
+	 * Parse/execute characters
+	 */
+	if (cmdline) {
+		old_cmdline_len = strlen(cmdline);
+		cmdline = (gchar *)g_realloc(cmdline, old_cmdline_len +
+						      strlen(insert) + 1);
+	} else {
+		cmdline = (gchar *)g_malloc(2);
+		*cmdline = '\0';
+	}
+
+	for (gchar *p = insert; *p; p++) {
+		strcat(cmdline, (gchar[]){key, '\0'});
+
+		if (!macro_execute(cmdline)) {
+			cmdline[old_cmdline_len] = '\0';
+			break;
+		}
+	}
+
+	/*
+	 * Echo command line
+	 */
+	echo = macro_echo(cmdline, "*");
+	cmdline_display(echo);
+	g_free(echo);
+}
+
+static gchar *
+macro_echo(const gchar *macro, const gchar *prefix)
+{
+	gchar *result, *rp;
+
+	if (!macro)
+		return g_strdup(prefix);
+
+	result = (gchar *)g_malloc(strlen(prefix) + strlen(macro)*5 + 1);
+	rp = g_stpcpy(result, prefix);
+
+	for (const gchar *p = macro; *p; p++) {
+		switch (*p) {
+		case '\x1B':
+			*rp++ = '$';
+			break;
+		case '\r':
+			rp = g_stpcpy(rp, "<CR>");
+			break;
+		case '\n':
+			rp = g_stpcpy(rp, "<LF>");
+			break;
+		case '\t':
+			rp = g_stpcpy(rp, "<TAB>");
+			break;
+		default:
+			if (IS_CTL(*p)) {
+				*rp++ = '^';
+				*rp++ = CTL_ECHO(*p);
+			} else {
+				*rp++ = *p;
+			}
+		}
+	}
+	*rp = '\0';
+
+	return result;
+}