Implement a GTK LocationBarView and Autocomplete.

chrome/browser/autocomplete/autocomplete_popup_view_gtk.cc

+// 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 "chrome/browser/autocomplete/autocomplete_popup_view_gtk.h"
+
+#include "base/logging.h"
+#include "base/scoped_ptr.h"
+#include "base/string_util.h"
+#include "chrome/browser/autocomplete/autocomplete.h"
+#include "chrome/browser/autocomplete/autocomplete_edit.h"
+#include "chrome/browser/autocomplete/autocomplete_edit_view_gtk.h"
+#include "chrome/browser/autocomplete/autocomplete_popup_model.h"
+#include "chrome/browser/profile.h"
+#include "chrome/browser/search_engines/template_url.h"
+#include "chrome/browser/search_engines/template_url_model.h"
+#include "chrome/common/notification_service.h"
+
+namespace {
+
+const GdkColor kPopupBorderColor = {0, 51143, 51914, 52942};  // #c7cace
+const GdkColor kPopupBackground = {0, 65535, 65535, 65535};  // #ffffff
+const GdkColor kHighlightColor = {0, 49601, 51400, 55769};  // #c1c8d9
+
+}  // namespace
+
+AutocompletePopupViewGtk::AutocompletePopupViewGtk(
+    AutocompleteEditViewGtk* edit_view,
+    AutocompleteEditModel* edit_model,
+    Profile* profile)
+    : model_(new AutocompletePopupModel(this, edit_model, profile)),
+      edit_view_(edit_view),
+      window_(gtk_window_new(GTK_WINDOW_POPUP)),
+      vbox_(NULL),
+      opened_(false) {
+  GTK_WIDGET_UNSET_FLAGS(window_, GTK_CAN_FOCUS);
+  // Don't allow the window to be resized.  This also forces the window to
+  // shrink down to the size of its child contents.
+  gtk_window_set_resizable(GTK_WINDOW(window_), FALSE);
+  // Set up a 1 pixel border around the popup.
+  gtk_container_set_border_width(GTK_CONTAINER(window_), 1);
+  gtk_widget_modify_bg(window_, GTK_STATE_NORMAL, &kPopupBorderColor);
+  gtk_widget_modify_base(window_, GTK_STATE_NORMAL, &kPopupBorderColor);
+}
+
+AutocompletePopupViewGtk::~AutocompletePopupViewGtk() {
+  if (vbox_)
+    gtk_widget_destroy(vbox_);
+  gtk_widget_destroy(window_);
+}
+
+void AutocompletePopupViewGtk::InvalidateLine(size_t line) {
+  UpdatePopupAppearance();
+}
+
+void AutocompletePopupViewGtk::UpdatePopupAppearance() {
+  const AutocompleteResult& result = model_->result();
+  if (result.empty()) {
+    Hide();
+    return;
+  }
+
+  // TODO(deanm): This could be done better, but the code is temporary
+  // and will need to be replaced with custom drawing and not widgets.
+  if (vbox_)
+    gtk_widget_destroy(vbox_);
+
+  vbox_ = gtk_vbox_new(FALSE, 0);
+
+  for (size_t i = 0; i < result.size(); ++i) {
+    std::string utf8;
+    utf8.append(WideToUTF8(result.match_at(i).contents));
+    utf8.append(" - ");
+    utf8.append(WideToUTF8(result.match_at(i).description));
+    GtkWidget* label = gtk_label_new(utf8.c_str());
+    // We need to put the labels in an event box for background painting.
+    GtkWidget* ebox = gtk_event_box_new();
+    gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+    gtk_container_add(GTK_CONTAINER(ebox), label);
+    gtk_box_pack_start(GTK_BOX(vbox_), ebox, FALSE, FALSE, 0);
+    gtk_widget_show(label);
+    gtk_widget_show(ebox);
+    if (i == model_->selected_line()) {
+      gtk_widget_modify_bg(ebox, GTK_STATE_NORMAL, &kHighlightColor);
+    } else {
+      gtk_widget_modify_bg(ebox, GTK_STATE_NORMAL, &kPopupBackground);
+    }
+  }
+
+  gtk_widget_show(vbox_);
+  gtk_container_add(GTK_CONTAINER(window_), vbox_);
+  Show();
+}
+
+void AutocompletePopupViewGtk::OnHoverEnabledOrDisabled(bool disabled) {
+  NOTIMPLEMENTED();
+}
+
+void AutocompletePopupViewGtk::PaintUpdatesNow() {
+  UpdatePopupAppearance();
+}
+
+void AutocompletePopupViewGtk::Show() {
+  gint x, y, width;
+  edit_view_->BottomLeftPosWidth(&x, &y, &width);
+  gtk_window_move(GTK_WINDOW(window_), x, y);
+  gtk_widget_set_size_request(window_, width, -1);
+  gtk_widget_show(window_);
+  opened_ = true;
+}
+
+void AutocompletePopupViewGtk::Hide() {
+  gtk_widget_hide(window_);
+  opened_ = false;
+}