First cut at implementation of FindBar for views / gtk...

views/widget/root_view.cc

 // Copyright (c) 2006-2008 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 "views/widget/root_view.h"
 
 #include <algorithm>
 
 #include "app/drag_drop_types.h"
 #include "app/gfx/canvas.h"
@@ skipping 342 matching lines @@
       return true;
     }
   }
 
   // Reset mouse_pressed_handler_ to indicate that no processing is occurring.
   mouse_pressed_handler_ = NULL;
 
   if (focus_on_mouse_pressed_) {
 #if defined(OS_WIN)
     HWND hwnd = GetWidget()->GetNativeView();
-    if (::GetFocus() != hwnd) {
+    if (::GetFocus() != hwnd)
       ::SetFocus(hwnd);
-    }
 #else
-    NOTIMPLEMENTED();
+    GtkWidget* widget = GetWidget()->GetNativeView();
+    if (!gtk_widget_is_focus(widget))
+      gtk_widget_grab_focus(widget);
 #endif
   }
 
   // In the event that a double-click is not handled after traversing the
   // entire hierarchy (even as a single-click when sent to a different view),
   // it must be marked as handled to avoid anything happening from default
   // processing if it the first click-part was handled by us.
   if (last_click_handler_ && e.GetFlags() & MouseEvent::EF_IS_DOUBLE_CLICK)
     hit_disabled_view = true;
 
@@ skipping 397 matching lines @@
 
   View* v = GetFocusedView();
   // Special case to handle right-click context menus triggered by the
   // keyboard.
   if (v && v->IsEnabled() && ((event.GetCharacter() == base::VKEY_APPS) ||
       (event.GetCharacter() == base::VKEY_F10 && event.IsShiftDown()))) {
     gfx::Point screen_loc = v->GetKeyboardContextMenuLocation();
     v->ShowContextMenu(screen_loc.x(), screen_loc.y(), false);
     return true;
   }
-
   for (; v && v != this && !consumed; v = v->GetParent()) {
     consumed = (event.GetType() == Event::ET_KEY_PRESSED) ?
         v->OnKeyPressed(event) : v->OnKeyReleased(event);
   }
 
   if (!consumed && default_keyboard_handler_) {
     consumed = (event.GetType() == Event::ET_KEY_PRESSED) ?
         default_keyboard_handler_->OnKeyPressed(event) :
         default_keyboard_handler_->OnKeyReleased(event);
   }
@@ skipping 122 matching lines @@
   gfx::NativeView native_view = GetWidget()->GetNativeView();
   if (!native_view)
     return;
   gdk_window_set_cursor(native_view->window, cursor);
   if (cursor)
     gdk_cursor_destroy(cursor);
 #endif
 }
 
 }  // namespace views