Implementation for switching between recently used tabs using ctrl tilde or quoteleft.

chrome/browser/ui/gtk/accelerators_gtk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/accelerators_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <X11/XF86keysym.h>
 
@@ skipping 16 matching lines @@
   { XF86XK_Search, IDC_FOCUS_SEARCH, GdkModifierType(0) },
   { GDK_l, IDC_FOCUS_LOCATION, GDK_CONTROL_MASK },
   { GDK_d, IDC_FOCUS_LOCATION, GDK_MOD1_MASK },
   { GDK_F6, IDC_FOCUS_LOCATION, GdkModifierType(0) },
   { XF86XK_OpenURL, IDC_FOCUS_LOCATION, GdkModifierType(0) },
   { XF86XK_Go, IDC_FOCUS_LOCATION, GdkModifierType(0) },
 
   // Tab/window controls.
   { GDK_Page_Down, IDC_SELECT_NEXT_TAB, GDK_CONTROL_MASK },
   { GDK_Page_Up, IDC_SELECT_PREVIOUS_TAB, GDK_CONTROL_MASK },
+  { GDK_asciitilde, IDC_SELECT_PREVIOUS_MRU_TAB, GDK_CONTROL_MASK },
+  { GDK_quoteleft, IDC_SELECT_PREVIOUS_MRU_TAB, GDK_CONTROL_MASK },

[alexfh, 2012/09/10 15:33:58]

BTW, is this way of handling hot-keys really keyboard layout-sensitive? Maybe
you try to install a couple of European keyboard layouts (e.g. Russian and
French) and try if it works with them?

And if it doesn't, maybe there's a way to handle the 'tilde' key regardless of
the layout?

   { GDK_Page_Down, IDC_MOVE_TAB_NEXT,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_Page_Up, IDC_MOVE_TAB_PREVIOUS,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_Page_Up, IDC_SELECT_PREVIOUS_TAB, GDK_CONTROL_MASK },
   { GDK_w, IDC_CLOSE_TAB, GDK_CONTROL_MASK },
   { GDK_t, IDC_RESTORE_TAB,
     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
   { GDK_t, IDC_NEW_TAB, GDK_CONTROL_MASK },
   { GDK_n, IDC_NEW_WINDOW, GDK_CONTROL_MASK },
@@ skipping 152 matching lines @@
     all_accelerators_.push_back(std::make_pair(entry.command_id, accelerator));
 
     if (primary_accelerators_.find(entry.command_id) ==
         primary_accelerators_.end()) {
       primary_accelerators_[entry.command_id] = accelerator;
     }
   }
 }
 
 AcceleratorsGtk::~AcceleratorsGtk() {}