ui/views/examples/widget_example.h

   1 // Copyright (c) 2011 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_WIDGET_EXAMPLE_H_
   6 #define UI_VIEWS_EXAMPLES_WIDGET_EXAMPLE_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "ui/views/controls/button/button.h"
  12 #include "ui/views/examples/example_base.h"
  13 #include "ui/views/widget/widget.h"
  14
  15 namespace views {
  16 namespace examples {
  17
  18 // WidgetExample demonstrates how to create a popup widget.
  19 class VIEWS_EXAMPLES_EXPORT WidgetExample : public ExampleBase,
  20                                             public ButtonListener {
  21  public:
  22   WidgetExample();
  23   ~WidgetExample() override;
  24
  25   // ExampleBase:
  26   void CreateExampleView(View* container) override;
  27
  28  private:
  29   // Button tags used to identify various commands.
  30   enum Command {
  31     POPUP,        // Show a popup widget.
  32     DIALOG,       // Show a dialog widget.
  33     MODAL_DIALOG, // Show a modal dialog widget.
  34     CHILD,        // Show a child widget.
  35     CLOSE_WIDGET, // Close the sender button's widget.
  36   };
  37
  38   // Construct a button with the specified |label| and |tag| in |container|.
  39   void BuildButton(View* container, const std::string& label, int tag);
  40
  41   // Construct a Widget for |sender|, initialize with |params|, and call Show().
  42   void ShowWidget(View* sender, Widget::InitParams params);
  43
  44   // ButtonListener:
  45   void ButtonPressed(Button* sender, const ui::Event& event) override;
  46
  47   DISALLOW_COPY_AND_ASSIGN(WidgetExample);
  48 };
  49
  50 }  // namespace examples
  51 }  // namespace views
  52
  53 #endif  // UI_VIEWS_EXAMPLES_WIDGET_EXAMPLE_H_