Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/gtk_custom_menu.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/gtk_custom_menu.h"
-
-#include "chrome/browser/ui/gtk/gtk_custom_menu_item.h"
-
-G_DEFINE_TYPE(GtkCustomMenu, gtk_custom_menu, GTK_TYPE_MENU)
-
-// Stolen directly from gtkmenushell.c. I'd love to call the library version
-// instead, but it's static and isn't exported. :(
-static gint gtk_menu_shell_is_item(GtkMenuShell* menu_shell,
-                                   GtkWidget* child) {
-  GtkWidget *parent;
-
-  g_return_val_if_fail(GTK_IS_MENU_SHELL(menu_shell), FALSE);
-  g_return_val_if_fail(child != NULL, FALSE);
-
-  parent = gtk_widget_get_parent(child);
-  while (GTK_IS_MENU_SHELL(parent)) {
-    if (parent == reinterpret_cast<GtkWidget*>(menu_shell))
-      return TRUE;
-    parent = GTK_MENU_SHELL(parent)->parent_menu_shell;
-  }
-
-  return FALSE;
-}
-
-// Stolen directly from gtkmenushell.c. I'd love to call the library version
-// instead, but it's static and isn't exported. :(
-static GtkWidget* gtk_menu_shell_get_item(GtkMenuShell* menu_shell,
-                                          GdkEvent* event) {
-  GtkWidget* menu_item = gtk_get_event_widget(event);
-
-  while (menu_item && !GTK_IS_MENU_ITEM(menu_item))
-    menu_item = gtk_widget_get_parent(menu_item);
-
-  if (menu_item && gtk_menu_shell_is_item(menu_shell, menu_item))
-    return menu_item;
-  else
-    return NULL;
-}
-
-// When processing a button event, abort processing if the cursor isn't in a
-// clickable region.
-static gboolean gtk_custom_menu_button_press(GtkWidget* widget,
-                                             GdkEventButton* event) {
-  GtkWidget* menu_item = gtk_menu_shell_get_item(
-      GTK_MENU_SHELL(widget), reinterpret_cast<GdkEvent*>(event));
-  if (GTK_IS_CUSTOM_MENU_ITEM(menu_item)) {
-    if (!gtk_custom_menu_item_is_in_clickable_region(
-            GTK_CUSTOM_MENU_ITEM(menu_item))) {
-      return TRUE;
-    }
-  }
-
-  return GTK_WIDGET_CLASS(gtk_custom_menu_parent_class)->
-      button_press_event(widget, event);
-}
-
-// When processing a button event, abort processing if the cursor isn't in a
-// clickable region. If it's in a button that doesn't dismiss the menu, fire
-// that event and abort having the normal GtkMenu code run.
-static gboolean gtk_custom_menu_button_release(GtkWidget* widget,
-                                               GdkEventButton* event) {
-  GtkWidget* menu_item = gtk_menu_shell_get_item(
-      GTK_MENU_SHELL(widget), reinterpret_cast<GdkEvent*>(event));
-  if (GTK_IS_CUSTOM_MENU_ITEM(menu_item)) {
-    if (!gtk_custom_menu_item_is_in_clickable_region(
-            GTK_CUSTOM_MENU_ITEM(menu_item))) {
-      // Stop processing this event. This isn't a clickable region.
-      return TRUE;
-    }
-
-    if (gtk_custom_menu_item_try_no_dismiss_command(
-            GTK_CUSTOM_MENU_ITEM(menu_item))) {
-      return TRUE;
-    }
-  }
-
-  return GTK_WIDGET_CLASS(gtk_custom_menu_parent_class)->
-      button_release_event(widget, event);
-}
-
-// Manually forward button press events to the menu item (and then do what we'd
-// do normally).
-static gboolean gtk_custom_menu_motion_notify(GtkWidget* widget,
-                                              GdkEventMotion* event) {
-  GtkWidget* menu_item = gtk_menu_shell_get_item(
-      GTK_MENU_SHELL(widget), (GdkEvent*)event);
-  if (GTK_IS_CUSTOM_MENU_ITEM(menu_item)) {
-    gtk_custom_menu_item_receive_motion_event(GTK_CUSTOM_MENU_ITEM(menu_item),
-                                              event->x, event->y);
-  }
-
-  return GTK_WIDGET_CLASS(gtk_custom_menu_parent_class)->
-      motion_notify_event(widget, event);
-}
-
-static void gtk_custom_menu_move_current(GtkMenuShell* menu_shell,
-                                         GtkMenuDirectionType direction) {
-  // If the currently selected item is custom, we give it first chance to catch
-  // up/down events.
-
-  // TODO(erg): We are breaking a GSEAL by directly accessing this. We'll need
-  // to fix this by the time gtk3 comes out.
-  GtkWidget* menu_item = GTK_MENU_SHELL(menu_shell)->active_menu_item;
-  if (GTK_IS_CUSTOM_MENU_ITEM(menu_item)) {
-    switch (direction) {
-      case GTK_MENU_DIR_PREV:
-      case GTK_MENU_DIR_NEXT:
-        if (gtk_custom_menu_item_handle_move(GTK_CUSTOM_MENU_ITEM(menu_item),
-                                             direction))
-          return;
-        break;
-      default:
-        break;
-    }
-  }
-
-  GTK_MENU_SHELL_CLASS(gtk_custom_menu_parent_class)->
-      move_current(menu_shell, direction);
-
-  // In the case of hitting PREV and transitioning to a custom menu, we want to
-  // make sure we're selecting the final item in the list, not the first one.
-  menu_item = GTK_MENU_SHELL(menu_shell)->active_menu_item;
-  if (GTK_IS_CUSTOM_MENU_ITEM(menu_item)) {
-    gtk_custom_menu_item_select_item_by_direction(
-        GTK_CUSTOM_MENU_ITEM(menu_item), direction);
-  }
-}
-
-static void gtk_custom_menu_init(GtkCustomMenu* menu) {
-}
-
-static void gtk_custom_menu_class_init(GtkCustomMenuClass* klass) {
-  GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(klass);
-  GtkMenuShellClass* menu_shell_class = GTK_MENU_SHELL_CLASS(klass);
-
-  widget_class->button_press_event = gtk_custom_menu_button_press;
-  widget_class->button_release_event = gtk_custom_menu_button_release;
-  widget_class->motion_notify_event = gtk_custom_menu_motion_notify;
-
-  menu_shell_class->move_current = gtk_custom_menu_move_current;
-}
-
-GtkWidget* gtk_custom_menu_new() {
-  return GTK_WIDGET(g_object_new(GTK_TYPE_CUSTOM_MENU, NULL));
-}