ui/views/examples/combobox_example.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
   6 #define UI_VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
   7
   8 #include "base/macros.h"
   9 #include "ui/base/models/combobox_model.h"
  10 #include "ui/views/controls/combobox/combobox_listener.h"
  11 #include "ui/views/examples/example_base.h"
  12
  13 namespace views {
  14 namespace examples {
  15
  16 // A combobox model implementation that generates a list of "Item <index>".
  17 class VIEWS_EXAMPLES_EXPORT ComboboxModelExample : public ui::ComboboxModel {
  18  public:
  19   ComboboxModelExample();
  20   ~ComboboxModelExample() override;
  21
  22   // ui::ComboboxModel:
  23   int GetItemCount() const override;
  24   base::string16 GetItemAt(int index) override;
  25
  26  private:
  27   DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
  28 };
  29
  30 class VIEWS_EXAMPLES_EXPORT ComboboxExample : public ExampleBase,
  31                                               public ComboboxListener {
  32  public:
  33   ComboboxExample();
  34   ~ComboboxExample() override;
  35
  36   // ExampleBase:
  37   void CreateExampleView(View* container) override;
  38
  39  private:
  40   // ComboboxListener:
  41   void OnPerformAction(Combobox* combobox) override;
  42
  43   ComboboxModelExample combobox_model_;
  44   Combobox* combobox_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
  47 };
  48
  49 }  // namespace examples
  50 }  // namespace views
  51
  52 #endif  // UI_VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_