ui/views/examples/text_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_TEXT_EXAMPLE_H_
   6 #define UI_VIEWS_EXAMPLES_TEXT_EXAMPLE_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "ui/views/controls/button/button.h"
  11 #include "ui/views/controls/combobox/combobox_listener.h"
  12 #include "ui/views/examples/example_base.h"
  13
  14 namespace views {
  15 class Checkbox;
  16 class GridLayout;
  17
  18 namespace examples {
  19
  20 class ExampleComboboxModel;
  21
  22 class VIEWS_EXAMPLES_EXPORT TextExample : public ExampleBase,
  23                                           public ButtonListener,
  24                                           public ComboboxListener {
  25  public:
  26   TextExample();
  27   ~TextExample() override;
  28
  29   // ExampleBase:
  30   void CreateExampleView(View* container) override;
  31
  32  private:
  33   // Creates and adds a check box to the layout.
  34   Checkbox* AddCheckbox(GridLayout* layout, const char* name);
  35
  36   // Creates and adds a combobox to the layout.
  37   Combobox* AddCombobox(GridLayout* layout,
  38                         const char* name,
  39                         const char** strings,
  40                         int count);
  41
  42   // ButtonListener:
  43   void ButtonPressed(Button* button, const ui::Event& event) override;
  44
  45   // ComboboxListener:
  46   void OnPerformAction(Combobox* combobox) override;
  47
  48   class TextExampleView;
  49   // The content of the scroll view.
  50   TextExampleView* text_view_;
  51
  52   // Combo box for horizontal text alignment.
  53   Combobox* h_align_cb_;
  54
  55   // Combo box for text eliding style.
  56   Combobox* eliding_cb_;
  57
  58   // Combo box for ampersand prefix show / hide behavior.
  59   Combobox* prefix_cb_;
  60
  61   // Combo box to choose one of the sample texts.
  62   Combobox* text_cb_;
  63
  64   // Check box to enable/disable multiline text drawing.
  65   Checkbox* multiline_checkbox_;
  66
  67   // Check box to enable/disable character break behavior.
  68   Checkbox* break_checkbox_;
  69
  70   // Check box to enable/disable text halo.
  71   Checkbox* halo_checkbox_;
  72
  73   // Check box to enable/disable bold style.
  74   Checkbox* bold_checkbox_;
  75
  76   // Check box to enable/disable italic style.
  77   Checkbox* italic_checkbox_;
  78
  79   // Check box to enable/disable underline style.
  80   Checkbox* underline_checkbox_;
  81
  82   // We create a model for each of the combobox, so we need to keep them
  83   // around until destruction time.
  84   ScopedVector<ExampleComboboxModel> example_combobox_model_;
  85
  86   DISALLOW_COPY_AND_ASSIGN(TextExample);
  87 };
  88
  89 }  // namespace examples
  90 }  // namespace views
  91
  92 #endif  // UI_VIEWS_EXAMPLES_TEXT_EXAMPLE_H_