views: Move combobox directory to ui/views/controls/.

views/controls/combobox/native_combobox_gtk.cc

-// Copyright (c) 2011 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/controls/combobox/native_combobox_gtk.h"
-
-#include <gtk/gtk.h>
-
-#include <algorithm>
-
-#include "base/message_loop.h"
-#include "base/utf_string_conversions.h"
-#include "ui/base/models/combobox_model.h"
-#include "ui/views/widget/widget.h"
-#include "views/controls/combobox/combobox.h"
-#include "views/controls/combobox/native_combobox_views.h"
-#include "views/views_delegate.h"
-
-namespace views {
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeComboboxGtk, public:
-
-NativeComboboxGtk::NativeComboboxGtk(Combobox* combobox)
-    : combobox_(combobox),
-      menu_(NULL) {
-  set_focus_view(combobox);
-}
-
-NativeComboboxGtk::~NativeComboboxGtk() {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeComboboxGtk, NativeComboboxWrapper implementation:
-
-void NativeComboboxGtk::UpdateFromModel() {
-  if (!native_view())
-    return;
-
-  preferred_size_ = gfx::Size();
-
-  GtkListStore* store =
-      GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(native_view())));
-  ui::ComboboxModel* model = combobox_->model();
-  int count = model->GetItemCount();
-  gtk_list_store_clear(store);
-  GtkTreeIter iter;
-  while (count-- > 0) {
-    gtk_list_store_prepend(store, &iter);
-    gtk_list_store_set(store, &iter,
-                       0, UTF16ToUTF8(model->GetItemAt(count)).c_str(),
-                       -1);
-  }
-}
-
-void NativeComboboxGtk::UpdateSelectedItem() {
-  if (!native_view())
-    return;
-  gtk_combo_box_set_active(
-      GTK_COMBO_BOX(native_view()), combobox_->selected_item());
-}
-
-void NativeComboboxGtk::UpdateEnabled() {
-  SetEnabled(combobox_->IsEnabled());
-}
-
-int NativeComboboxGtk::GetSelectedItem() const {
-  if (!native_view())
-    return 0;
-  return gtk_combo_box_get_active(GTK_COMBO_BOX(native_view()));
-}
-
-bool NativeComboboxGtk::IsDropdownOpen() const {
-  if (!native_view())
-    return false;
-  gboolean popup_shown;
-  g_object_get(G_OBJECT(native_view()), "popup-shown", &popup_shown, NULL);
-  return popup_shown;
-}
-
-gfx::Size NativeComboboxGtk::GetPreferredSize() {
-  if (!native_view())
-    return gfx::Size();
-
-  if (preferred_size_.IsEmpty()) {
-    GtkRequisition size_request = { 0, 0 };
-    gtk_widget_size_request(native_view(), &size_request);
-    // TODO(oshima|scott): we may not need ::max to 29. revisit this.
-    preferred_size_.SetSize(size_request.width,
-                            std::max(size_request.height, 29));
-  }
-  return preferred_size_;
-}
-
-View* NativeComboboxGtk::GetView() {
-  return this;
-}
-
-void NativeComboboxGtk::SetFocus() {
-  OnFocus();
-}
-
-bool NativeComboboxGtk::HandleKeyPressed(const views::KeyEvent& event) {
-  return false;
-}
-
-bool NativeComboboxGtk::HandleKeyReleased(const views::KeyEvent& event) {
-  return false;
-}
-
-void NativeComboboxGtk::HandleFocus() {
-}
-
-void NativeComboboxGtk::HandleBlur() {
-}
-
-gfx::NativeView NativeComboboxGtk::GetTestingHandle() const {
-  return native_view();
-}
-
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeComboboxGtk, NativeControlGtk overrides:
-void NativeComboboxGtk::CreateNativeControl() {
-  GtkListStore* store = gtk_list_store_new(1, G_TYPE_STRING);
-  GtkWidget* widget = gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
-  g_object_unref(G_OBJECT(store));
-
-  GtkCellRenderer* cell = gtk_cell_renderer_text_new();
-  gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(widget), cell, TRUE);
-  gtk_cell_layout_set_attributes(
-      GTK_CELL_LAYOUT(widget), cell, "text", 0, NULL);
-  g_signal_connect(widget, "changed",
-                   G_CALLBACK(CallChangedThunk), this);
-  g_signal_connect_after(widget, "popup",
-                         G_CALLBACK(CallPopUpThunk), this);
-
-  // Get the menu associated with the combo box and listen to events on it.
-  GList* menu_list = gtk_menu_get_for_attach_widget(widget);
-  if (menu_list) {
-    menu_ = reinterpret_cast<GtkMenu*>(menu_list->data);
-    g_signal_connect_after(menu_, "move-current",
-                           G_CALLBACK(CallMenuMoveCurrentThunk), this);
-  }
-
-  NativeControlCreated(widget);
-}
-
-void NativeComboboxGtk::NativeControlCreated(GtkWidget* native_control) {
-  NativeControlGtk::NativeControlCreated(native_control);
-  // Set the initial state of the combobox.
-  UpdateFromModel();
-  UpdateEnabled();
-  UpdateSelectedItem();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeComboboxGtk, private:
-void NativeComboboxGtk::SelectionChanged() {
-  combobox_->SelectionChanged();
-}
-
-void NativeComboboxGtk::FocusedMenuItemChanged() {
-  DCHECK(menu_);
-  GtkWidget* menu_item = GTK_MENU_SHELL(menu_)->active_menu_item;
-  if (!menu_item)
-    return;
-
-  // Figure out the item index and total number of items.
-  GList* items = gtk_container_get_children(GTK_CONTAINER(menu_));
-  guint count = g_list_length(items);
-  int index = g_list_index(items, static_cast<gconstpointer>(menu_item));
-
-  // Get the menu item's label.
-  std::string name;
-  GList* children = gtk_container_get_children(GTK_CONTAINER(menu_item));
-  for (GList* l = g_list_first(children); l != NULL; l = g_list_next(l)) {
-    GtkWidget* child = static_cast<GtkWidget*>(l->data);
-    if (GTK_IS_CELL_VIEW(child)) {
-      GtkCellView* cell_view = GTK_CELL_VIEW(child);
-      GtkTreePath* path = gtk_cell_view_get_displayed_row(cell_view);
-      GtkTreeModel* model = NULL;
-      model = gtk_cell_view_get_model(cell_view);
-      GtkTreeIter iter;
-      if (model && gtk_tree_model_get_iter(model, &iter, path)) {
-        GValue value = { 0 };
-        gtk_tree_model_get_value(model, &iter, 0, &value);
-        name = g_value_get_string(&value);
-        break;
-      }
-    }
-  }
-
-  if (ViewsDelegate::views_delegate) {
-    ViewsDelegate::views_delegate->NotifyMenuItemFocused(string16(),
-                                                         UTF8ToUTF16(name),
-                                                         index,
-                                                         count,
-                                                         false);
-  }
-}
-
-void NativeComboboxGtk::CallChanged(GtkWidget* widget) {
-  SelectionChanged();
-}
-
-gboolean NativeComboboxGtk::CallPopUp(GtkWidget* widget) {
-  FocusedMenuItemChanged();
-  return false;
-}
-
-void NativeComboboxGtk::CallMenuMoveCurrent(
-    GtkWidget* menu, GtkMenuDirectionType focus_direction) {
-  FocusedMenuItemChanged();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeComboboxWrapper, public:
-
-// static
-NativeComboboxWrapper* NativeComboboxWrapper::CreateWrapper(
-    Combobox* combobox) {
-  if (Widget::IsPureViews())
-    return new NativeComboboxViews(combobox);
-  return new NativeComboboxGtk(combobox);
-}
-
-}  // namespace views