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Diffstat (limited to 'views/focus/accelerator_handler_gtk.cc')
-rw-r--r-- | views/focus/accelerator_handler_gtk.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/views/focus/accelerator_handler_gtk.cc b/views/focus/accelerator_handler_gtk.cc new file mode 100644 index 0000000..938dfcc --- /dev/null +++ b/views/focus/accelerator_handler_gtk.cc @@ -0,0 +1,61 @@ +// Copyright (c) 2009 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 <gtk/gtk.h> + +#include "views/focus/accelerator_handler.h" + +#include "views/focus/focus_manager.h" +#include "views/widget/widget_gtk.h" +#include "views/window/window_gtk.h" + +namespace views { + +AcceleratorHandler::AcceleratorHandler() : last_key_pressed_(0) { +} + +bool AcceleratorHandler::Dispatch(GdkEvent* event) { + if (event->type != GDK_KEY_PRESS && event->type != GDK_KEY_RELEASE) { + gtk_main_do_event(event); + return true; + } + + GdkEventKey* key_event = reinterpret_cast<GdkEventKey*>(event); + // Let's retrieve the focus manager for the GdkWindow. + GdkWindow* window = gdk_window_get_toplevel(key_event->window); + gpointer ptr; + gdk_window_get_user_data(window, &ptr); + DCHECK(ptr); // The top-level window is expected to always be associated + // with the top-level gtk widget. + WindowGtk* widget = + WidgetGtk::GetWindowForNative(reinterpret_cast<GtkWidget*>(ptr)); + FocusManager* focus_manager = widget->GetFocusManager(); + if (!focus_manager) { + NOTREACHED(); + return true; + } + + if (event->type == GDK_KEY_PRESS) { + KeyEvent view_key_event(key_event, true); + // FocusManager::OnKeyPressed and OnKeyReleased return false if this + // message has been consumed and should not be propagated further. + if (!focus_manager->OnKeyEvent(view_key_event)) { + last_key_pressed_ = key_event->keyval; + return true; + } + } + + // Key release, make sure to filter-out the key release for key press consumed + // as accelerators to avoid unpaired key release. + if (event->type == GDK_KEY_RELEASE && + key_event->keyval == last_key_pressed_) { + last_key_pressed_ = 0; + return true; + } + + gtk_main_do_event(event); + return true; +} + +} // namespace views |