fix searching in terminal window

Make sure are regex are compiled with PCRE2_MULTILINE which is
a requirement by the vte library

src/terminal-screen.c

@@ -600,7 +600,7 @@ terminal_screen_class_init (TerminalScreenClass *klass)
 		GError *error = NULL;
 
 		skey_regexes[i] = vte_regex_new_for_match(skey_regex_patterns[i].pattern, -1,
-							  PCRE2_MULTILINE, &error);
+							  PCRE2_MULTILINE | PCRE2_UTF | PCRE2_NO_UTF_CHECK, &error);
 		if (error)
 		{
 			g_message ("%s", error->message);

src/terminal-search-dialog.c

@@ -25,6 +25,9 @@
 #include "terminal-search-dialog.h"
 #include "terminal-util.h"
 
+#define PCRE2_CODE_UNIT_WIDTH 0
+#include <pcre2.h>
+
 #define HISTORY_MIN_ITEM_LEN 3
 #define HISTORY_LENGTH 10
 
@@ -60,8 +63,8 @@ typedef struct _TerminalSearchDialogPrivate
 	GtkEntryCompletion *completion;
 
 	/* Cached regex */
-	GRegex *regex;
-	GRegexCompileFlags regex_compile_flags;
+	VteRegex *regex;
+	guint32 regex_compile_flags;
 } TerminalSearchDialogPrivate;
 
 
@@ -153,7 +156,7 @@ terminal_search_dialog_private_destroy (TerminalSearchDialogPrivate *priv)
 {
 
 	if (priv->regex)
-		g_regex_unref (priv->regex);
+		vte_regex_unref (priv->regex);
 
 	g_object_unref (priv->store);
 	g_object_unref (priv->completion);
@@ -171,7 +174,7 @@ update_sensitivity (void *unused, GtkWidget *dialog)
 
 	if (priv->regex)
 	{
-		g_regex_unref (priv->regex);
+		vte_regex_unref (priv->regex);
 		priv->regex = NULL;
 	}
 
@@ -336,11 +339,11 @@ terminal_search_dialog_get_search_flags (GtkWidget *dialog)
 	return flags;
 }
 
-GRegex *
+VteRegex *
 terminal_search_dialog_get_regex (GtkWidget *dialog)
 {
 	TerminalSearchDialogPrivate *priv;
-	GRegexCompileFlags compile_flags;
+	guint32 compile_flags;
 	const char *text, *pattern;
 
 	g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL);
@@ -350,13 +353,13 @@ terminal_search_dialog_get_regex (GtkWidget *dialog)
 
 	pattern = text = terminal_search_dialog_get_search_text (dialog);
 
-	compile_flags = G_REGEX_OPTIMIZE;
+	compile_flags = PCRE2_MULTILINE | PCRE2_UTF | PCRE2_NO_UTF_CHECK;
 
 	if (!GET_FLAG (match_case_checkbutton))
-		compile_flags |= G_REGEX_CASELESS;
+		compile_flags |= PCRE2_CASELESS;
 
 	if (GET_FLAG (regex_checkbutton))
-		compile_flags |= G_REGEX_MULTILINE;
+		compile_flags |= PCRE2_UCP;
 	else
 		pattern = g_regex_escape_string (text, -1);
 
@@ -372,10 +375,12 @@ terminal_search_dialog_get_regex (GtkWidget *dialog)
 	{
 		priv->regex_compile_flags = compile_flags;
 		if (priv->regex)
-			g_regex_unref (priv->regex);
+			vte_regex_unref (priv->regex);
 
 		/* TODO Error handling */
-		priv->regex = g_regex_new (pattern, compile_flags, 0, NULL);
+		priv->regex = vte_regex_new_for_search(pattern, -1,
+						       compile_flags, NULL);
+
 	}
 
 	if (pattern != text)

src/terminal-search-dialog.h

@@ -22,6 +22,7 @@
 #define TERMINAL_SEARCH_DIALOG_H
 
 #include <gtk/gtk.h>
+#include <vte/vte.h>
 
 G_BEGIN_DECLS
 
@@ -43,7 +44,7 @@ const gchar 	*terminal_search_dialog_get_search_text	(GtkWidget   *dialog);
 
 TerminalSearchFlags
 terminal_search_dialog_get_search_flags(GtkWidget   *dialog);
-GRegex		*terminal_search_dialog_get_regex	(GtkWidget   *dialog);
+VteRegex	*terminal_search_dialog_get_regex	(GtkWidget   *dialog);
 
 G_END_DECLS
 

src/terminal-window.c

@@ -4064,7 +4064,7 @@ search_find_response_callback (GtkWidget *dialog,
     TerminalWindow *window = TERMINAL_WINDOW (user_data);
     TerminalWindowPrivate *priv = window->priv;
     TerminalSearchFlags flags;
-    GRegex *regex;
+    VteRegex *regex;
 
     if (response != GTK_RESPONSE_ACCEPT)
         return;
@@ -4077,7 +4077,7 @@ search_find_response_callback (GtkWidget *dialog,
 
     flags = terminal_search_dialog_get_search_flags (dialog);
 
-    vte_terminal_search_set_gregex (VTE_TERMINAL (priv->active_screen), regex, 0);
+    vte_terminal_search_set_regex (VTE_TERMINAL (priv->active_screen), regex, 0);
     vte_terminal_search_set_wrap_around (VTE_TERMINAL (priv->active_screen),
                                          (flags & TERMINAL_SEARCH_FLAG_WRAP_AROUND));
 
@@ -4148,7 +4148,7 @@ search_clear_highlight_callback (GtkAction *action,
     if (G_UNLIKELY (!window->priv->active_screen))
         return;
 
-    vte_terminal_search_set_gregex (VTE_TERMINAL (window->priv->active_screen), NULL, 0);
+    vte_terminal_search_set_regex (VTE_TERMINAL (window->priv->active_screen), NULL, 0);
 }
 
 static void