diff options
| -rw-r--r-- | views/examples/examples_main.cc | 2 | ||||
| -rw-r--r-- | views/examples/progress_bar_example.cc | 69 | ||||
| -rw-r--r-- | views/examples/progress_bar_example.h | 44 | ||||
| -rw-r--r-- | views/views.gyp | 2 |
4 files changed, 117 insertions, 0 deletions
diff --git a/views/examples/examples_main.cc b/views/examples/examples_main.cc index 17869d2..d6b4ba6 100644 --- a/views/examples/examples_main.cc +++ b/views/examples/examples_main.cc @@ -25,6 +25,7 @@ #include "views/examples/native_theme_button_example.h" #include "views/examples/native_theme_checkbox_example.h" #include "views/examples/native_widget_views_example.h" +#include "views/examples/progress_bar_example.h" #include "views/examples/radio_button_example.h" #include "views/examples/scroll_view_example.h" #include "views/examples/single_split_view_example.h" @@ -93,6 +94,7 @@ void ExamplesMain::Init() { examples_.push_back(new NativeThemeButtonExample(this)); examples_.push_back(new NativeThemeCheckboxExample(this)); examples_.push_back(new NativeWidgetViewsExample(this)); + examples_.push_back(new ProgressBarExample(this)); examples_.push_back(new RadioButtonExample(this)); examples_.push_back(new ScrollViewExample(this)); examples_.push_back(new SingleSplitViewExample(this)); diff --git a/views/examples/progress_bar_example.cc b/views/examples/progress_bar_example.cc new file mode 100644 index 0000000..91c73d6 --- /dev/null +++ b/views/examples/progress_bar_example.cc @@ -0,0 +1,69 @@ +// 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/examples/progress_bar_example.h" + +#include "base/utf_string_conversions.h" +#include "views/controls/button/text_button.h" +#include "views/controls/progress_bar.h" +#include "views/layout/grid_layout.h" +#include "views/view.h" + +namespace { + +const double kStepSize = 0.1; + +double ClampToMin(double percent) { + return std::min(std::max(percent, 0.0), 1.0); +} + +} // namespace + +namespace examples { + +ProgressBarExample::ProgressBarExample(ExamplesMain* main) + : ExampleBase(main, "Progress Bar"), + minus_button_(NULL), + plus_button_(NULL), + progress_bar_(NULL), + current_percent_(0.0) { +} + +ProgressBarExample::~ProgressBarExample() { +} + +void ProgressBarExample::CreateExampleView(views::View* container) { + views::GridLayout* layout = new views::GridLayout(container); + container->SetLayoutManager(layout); + + views::ColumnSet* column_set = layout->AddColumnSet(0); + column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, + 0, views::GridLayout::USE_PREF, 0, 0); + column_set->AddPaddingColumn(0, 8); + column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, + 1, views::GridLayout::USE_PREF, 0, 0); + column_set->AddPaddingColumn(0, 8); + column_set->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, + 0, views::GridLayout::USE_PREF, 0, 0); + + layout->StartRow(0, 0); + minus_button_ = new views::TextButton(this, ASCIIToUTF16("-")); + layout->AddView(minus_button_); + progress_bar_ = new views::ProgressBar(); + layout->AddView(progress_bar_); + plus_button_ = new views::TextButton(this, ASCIIToUTF16("+")); + layout->AddView(plus_button_); +} + +void ProgressBarExample::ButtonPressed(views::Button* sender, + const views::Event& event) { + if (sender == minus_button_) + current_percent_ = ClampToMin(current_percent_ - kStepSize); + else if (sender == plus_button_) + current_percent_ = ClampToMin(current_percent_ + kStepSize); + + progress_bar_->SetValue(current_percent_); +} + +} // namespace examples diff --git a/views/examples/progress_bar_example.h b/views/examples/progress_bar_example.h new file mode 100644 index 0000000..1c30ea1 --- /dev/null +++ b/views/examples/progress_bar_example.h @@ -0,0 +1,44 @@ +// 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. + +#ifndef VIEWS_EXAMPLES_PROGRESS_BAR_EXAMPLE_H_ +#define VIEWS_EXAMPLES_PROGRESS_BAR_EXAMPLE_H_ +#pragma once + +#include "base/basictypes.h" +#include "base/compiler_specific.h" +#include "views/controls/button/button.h" +#include "views/examples/example_base.h" + +namespace views { +class ProgressBar; +} + +namespace examples { + +class ProgressBarExample : public ExampleBase, + public views::ButtonListener { + public: + explicit ProgressBarExample(ExamplesMain* main); + virtual ~ProgressBarExample(); + + // Overridden from ExampleBase: + virtual void CreateExampleView(views::View* container) OVERRIDE; + + private: + // Overridden from views::ButtonListener: + virtual void ButtonPressed(views::Button* button, + const views::Event& event) OVERRIDE; + + views::Button* minus_button_; + views::Button* plus_button_; + views::ProgressBar* progress_bar_; + double current_percent_; + + DISALLOW_COPY_AND_ASSIGN(ProgressBarExample); +}; + +} // namespace examples + +#endif // VIEWS_EXAMPLES_PROGRESS_BAR_EXAMPLE_H_ diff --git a/views/views.gyp b/views/views.gyp index b10b530..650b83e 100644 --- a/views/views.gyp +++ b/views/views.gyp @@ -716,6 +716,8 @@ 'examples/native_theme_checkbox_example.h', 'examples/native_widget_views_example.cc', 'examples/native_widget_views_example.h', + 'examples/progress_bar_example.cc', + 'examples/progress_bar_example.h', 'examples/radio_button_example.cc', 'examples/radio_button_example.h', 'examples/scroll_view_example.cc', |