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// Copyright (c) 2012 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 "ui/views/examples/button_example.h"
#include <memory>
#include <utility>
#include "base/strings/utf_string_conversions.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/image/image.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/examples/examples_window.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/resources/grit/views_resources.h"
#include "ui/views/view.h"
using base::ASCIIToUTF16;
namespace {
const char kLabelButton[] = "Label Button";
const char kLongText[] =
"Start of Really Really Really Really Really Really "
"Really Really Really Really Really Really Really "
"Really Really Really Really Really Long Button Text";
} // namespace
namespace views {
namespace examples {
ButtonExample::ButtonExample() : ExampleBase("Button") {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
icon_ = rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia();
}
ButtonExample::~ButtonExample() = default;
void ButtonExample::CreateExampleView(View* container) {
container->SetBackground(CreateSolidBackground(SK_ColorWHITE));
auto layout = std::make_unique<BoxLayout>(BoxLayout::Orientation::kVertical,
gfx::Insets(10), 10);
layout->set_cross_axis_alignment(BoxLayout::CrossAxisAlignment::kCenter);
container->SetLayoutManager(std::move(layout));
auto label_button =
std::make_unique<LabelButton>(this, ASCIIToUTF16(kLabelButton));
label_button->SetFocusForPlatform();
label_button->set_request_focus_on_press(true);
label_button_ = container->AddChildView(std::move(label_button));
md_button_ = container->AddChildView(
MdTextButton::Create(this, base::ASCIIToUTF16("Material Design")));
auto md_disabled_button = MdTextButton::Create(
this, ASCIIToUTF16("Material Design Disabled Button"));
md_disabled_button->SetState(Button::STATE_DISABLED);
md_disabled_button_ = container->AddChildView(std::move(md_disabled_button));
auto md_default_button =
MdTextButton::Create(this, base::ASCIIToUTF16("Default"));
md_default_button->SetIsDefault(true);
md_default_button_ = container->AddChildView(std::move(md_default_button));
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
auto image_button = std::make_unique<ImageButton>(this);
image_button->SetFocusForPlatform();
image_button->set_request_focus_on_press(true);
image_button->SetImage(ImageButton::STATE_NORMAL,
rb.GetImageNamed(IDR_CLOSE).ToImageSkia());
image_button->SetImage(ImageButton::STATE_HOVERED,
rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia());
image_button->SetImage(ImageButton::STATE_PRESSED,
rb.GetImageNamed(IDR_CLOSE_P).ToImageSkia());
image_button_ = container->AddChildView(std::move(image_button));
}
void ButtonExample::LabelButtonPressed(LabelButton* label_button,
const ui::Event& event) {
PrintStatus("Label Button Pressed! count: %d", ++count_);
if (event.IsControlDown()) {
if (event.IsShiftDown()) {
label_button->SetText(ASCIIToUTF16(
label_button->GetText().empty()
? kLongText
: label_button->GetText().length() > 50 ? kLabelButton : ""));
} else if (event.IsAltDown()) {
label_button->SetImage(
Button::STATE_NORMAL,
label_button->GetImage(Button::STATE_NORMAL).isNull()
? *icon_
: gfx::ImageSkia());
} else {
static int alignment = 0;
label_button->SetHorizontalAlignment(
static_cast<gfx::HorizontalAlignment>(++alignment % 3));
}
} else if (event.IsShiftDown()) {
if (event.IsAltDown()) {
// Toggle focusability.
label_button_->IsAccessibilityFocusable()
? label_button_->SetFocusBehavior(View::FocusBehavior::NEVER)
: label_button_->SetFocusForPlatform();
}
} else if (event.IsAltDown()) {
label_button->SetIsDefault(!label_button->GetIsDefault());
}
example_view()->GetLayoutManager()->Layout(example_view());
}
void ButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
if (sender == label_button_)
LabelButtonPressed(label_button_, event);
else if (sender == md_button_ || sender == md_default_button_)
static_cast<Button*>(sender)->StartThrobbing(5);
else if (sender == md_disabled_button_)
LabelButtonPressed(md_disabled_button_, event);
else
PrintStatus("Image Button Pressed! count: %d", ++count_);
}
} // namespace examples
} // namespace views
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