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// 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/native_widget_views_example.h"
#include "base/utf_string_conversions.h"
#include "ui/gfx/canvas.h"
#include "views/controls/button/text_button.h"
#include "views/examples/example_base.h"
#include "views/test/test_views_delegate.h"
#include "views/view.h"
#include "views/widget/native_widget_views.h"
#include "views/widget/widget.h"
namespace examples {
// A ContentView for our example widget. Contains a variety of controls for
// testing NativeWidgetViews event handling. If any part of the Widget's bounds
// are rendered red, something went wrong.
class TestContentView : public views::View,
public views::ButtonListener {
public:
TestContentView()
: click_count_(0),
ALLOW_THIS_IN_INITIALIZER_LIST(
button_(new views::TextButton(this, ASCIIToUTF16("Click me!")))) {
AddChildView(button_);
}
virtual ~TestContentView() {
}
// Overridden from views::View:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
SkColor color = click_count_ % 2 == 0 ? SK_ColorGREEN : SK_ColorBLUE;
canvas->FillRect(color, GetLocalBounds());
}
virtual void Layout() OVERRIDE {
button_->SetBounds(10, 10, width() - 20, height() - 20);
}
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* sender,
const views::Event& event) OVERRIDE {
if (sender == button_) {
++click_count_;
SchedulePaint();
}
}
private:
int click_count_;
views::TextButton* button_;
DISALLOW_COPY_AND_ASSIGN(TestContentView);
};
NativeWidgetViewsExample::NativeWidgetViewsExample(ExamplesMain* main)
: ExampleBase(main, "Native Widget Views") {
}
NativeWidgetViewsExample::~NativeWidgetViewsExample() {
}
void NativeWidgetViewsExample::CreateExampleView(views::View* container) {
views::Widget* widget = new views::Widget;
views::NativeWidgetViews* nwv = new views::NativeWidgetViews(widget);
views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
// Set parent View for widget. Real code should use params.parent_widget
// but since tabs are implemented with Views instead of Widgets on Windows
// we have to hack the parenting.
#if defined(OS_WIN)
views::TestViewsDelegate* test_views_delegate =
static_cast<views::TestViewsDelegate*>(
views::ViewsDelegate::views_delegate);
views::View* old_default_parent_view =
test_views_delegate->GetDefaultParentView();
test_views_delegate->set_default_parent_view(container);
#else
params.parent_widget = container->GetWidget();
#endif
params.native_widget = nwv;
widget->Init(params);
#if defined(OS_WIN)
test_views_delegate->set_default_parent_view(old_default_parent_view);
#endif
widget->SetContentsView(new TestContentView);
widget->SetBounds(gfx::Rect(10, 10, 300, 150));
}
} // namespace examples
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