From 7ebc9d18b3abd2d1f3baa3a8e80b1fd9cb6e0621 Mon Sep 17 00:00:00 2001
From: Pablo Barciela <scow@riseup.net>
Date: Fri, 10 Nov 2017 00:40:58 +0100
Subject: add the abbility to switch tabs using [ctrl+tab] and [ctrl+shift+tab]

If true the gsettings key "ctrl-tab-switch-tabs" into "org.mate.terminal.global"

Closes https://github.com/mate-desktop/mate-terminal/issues/98
---
 src/org.mate.terminal.gschema.xml.in |  5 ++++
 src/terminal-window.c                | 44 ++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/src/org.mate.terminal.gschema.xml.in b/src/org.mate.terminal.gschema.xml.in
index 0a45fc8..84efea2 100644
--- a/src/org.mate.terminal.gschema.xml.in
+++ b/src/org.mate.terminal.gschema.xml.in
@@ -74,6 +74,11 @@
       <summary>Whether to ask for confirmation when closing terminal windows</summary>
       <description>Whether to ask for confirmation when closing a terminal window which has more than one open tab.</description>
     </key>
+    <key name="ctrl-tab-switch-tabs" type="b">
+      <default>false</default>
+      <summary>Switch tabs with [ctrl] + [tab]</summary>
+      <description>If true, it enables the abbility to switch tabs using [ctrl + tab] and [ctrl + shift + tab].</description>
+    </key>
   </schema>
   <schema id="org.mate.terminal.profiles" path="/org/mate/terminal/profiles/">
   </schema>
diff --git a/src/terminal-window.c b/src/terminal-window.c
index db561b7..84fc65b 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -160,6 +160,9 @@ static gboolean terminal_window_focus_in_event (GtkWidget *widget,
 static gboolean notebook_button_press_cb     (GtkWidget *notebook,
         GdkEventButton *event,
         TerminalWindow *window);
+static gboolean window_key_press_cb     (GtkWidget *notebook,
+        GdkEventKey *event,
+        TerminalWindow *window);
 static gboolean notebook_popup_menu_cb       (GtkWidget *notebook,
         TerminalWindow *window);
 static void notebook_page_selected_callback  (GtkWidget       *notebook,
@@ -2220,6 +2223,8 @@ terminal_window_init (TerminalWindow *window)
     gtk_notebook_set_group_name (GTK_NOTEBOOK (priv->notebook), I_("mate-terminal-window"));
     g_signal_connect (priv->notebook, "button-press-event",
                       G_CALLBACK (notebook_button_press_cb), window);
+    g_signal_connect (window, "key-press-event",
+                      G_CALLBACK (window_key_press_cb), window);
     g_signal_connect (priv->notebook, "popup-menu",
                       G_CALLBACK (notebook_popup_menu_cb), window);
     g_signal_connect_after (priv->notebook, "switch-page",
@@ -2997,6 +3002,45 @@ notebook_button_press_cb (GtkWidget *widget,
     return TRUE;
 }
 
+static gboolean
+window_key_press_cb (GtkWidget *widget,
+                     GdkEventKey *event,
+                     TerminalWindow *window)
+{
+    GSettings *settings; 
+
+    settings = g_settings_new ("org.mate.terminal.global"); 
+
+    if (g_settings_get_boolean (settings, "ctrl-tab-switch-tabs") &&
+        event->state & GDK_CONTROL_MASK)
+    {
+        TerminalWindowPrivate *priv = window->priv;
+        GtkNotebook *notebook = GTK_NOTEBOOK (priv->notebook);
+
+        int pages = gtk_notebook_get_n_pages (notebook);
+        int page_num = gtk_notebook_get_current_page (notebook);
+
+        if (event->keyval == GDK_KEY_ISO_Left_Tab)
+        {
+            if (page_num != 0)
+                gtk_notebook_prev_page (notebook);
+            else
+                gtk_notebook_set_current_page (notebook, (pages - 1));
+            return TRUE;
+        }
+
+        if (event->keyval == GDK_KEY_Tab)
+        {
+            if (page_num != (pages -1))
+                gtk_notebook_next_page (notebook);
+            else
+                gtk_notebook_set_current_page (notebook, 0);
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
 static gboolean
 notebook_popup_menu_cb (GtkWidget *widget,
                         TerminalWindow *window)
-- 
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