From cdc04b949941b020ee24be4fae9a1d629aeddd1d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Sat, 28 Oct 2017 23:12:16 -0400
Subject: mq_web_view_save(): Make file type combo box change extension

---
(limited to 'src/web-view.c')

diff --git a/src/web-view.c b/src/web-view.c
index 37654a6..3f03a49 100644
--- a/src/web-view.c
+++ b/src/web-view.c
@@ -911,6 +911,55 @@ get_clean_title(MqWebView *web_view)
 }
 
 static void
+save_type_changed_cb(GtkComboBox *combo_box, GtkFileChooser *chooser)
+{
+	gchar       *name;
+	gchar       *ext;
+	const gchar *active_id;
+	gchar       *new_name;
+
+	name = gtk_file_chooser_get_current_name(chooser);
+	ext = strrchr(name, '.') + 1;
+
+	active_id = gtk_combo_box_get_active_id(combo_box);
+	if (g_strcmp0(active_id, "html") == 0) {
+		if (!(
+				ext[0] == 'h' &&
+				ext[1] == 't' &&
+				ext[2] == 'm' &&
+				(ext[3] == '\0' ||
+					(ext[3] == 'l' &&
+						ext[4] == '\0'
+				)))) {
+			/* Extension is not "htm" or "html". */
+			ext[0] = '\0';  /* Remove extension. */
+			new_name = g_strconcat(name, "html", NULL);
+			gtk_file_chooser_set_current_name(chooser, new_name);
+			g_free(new_name);
+		}
+	} else if (g_strcmp0(active_id, "mhtml") == 0) {
+		if (!(
+				ext[0] == 'm' &&
+				ext[1] == 'h' &&
+				ext[2] == 't' &&
+				(ext[3] == '\0' ||
+					(ext[3] == 'm' &&
+						(ext[4] == '\0' ||
+							(ext[4] == 'l' &&
+								ext[5] == '\0'
+				)))))) {
+			/* Extension is not "mht", "mhtm", or "mhtml". */
+			ext[0] = '\0';  /* Remove extension. */
+			new_name = g_strconcat(name, "mhtml", NULL);
+			gtk_file_chooser_set_current_name(chooser, new_name);
+			g_free(new_name);
+		}
+	}
+
+	g_free(name);
+}
+
+static void
 save_response_cb(GtkWidget *dialog, gint response_id, MqWebView *web_view)
 {
 	gchar *dir;
@@ -980,6 +1029,8 @@ mq_web_view_save(MqWebView *web_view)
 	gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(type_combo_box),
 		"mhtml", "MHTML");
 	gtk_combo_box_set_active(GTK_COMBO_BOX(type_combo_box), 0);
+	g_signal_connect(type_combo_box, "changed",
+		G_CALLBACK(save_type_changed_cb), chooser);
 
 	type_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 	gtk_box_pack_start(GTK_BOX(type_box), gtk_label_new("File type:"),
--
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