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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/widget_example.h"
#include "base/utf_string_conversions.h"
#include "ui/views/controls/button/text_button.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/dialog_delegate.h"
namespace views {
namespace examples {
namespace {
class DialogExample : public DialogDelegateView {
public:
virtual string16 GetWindowTitle() const OVERRIDE;
};
string16 DialogExample::GetWindowTitle() const {
return ASCIIToUTF16("Dialog Widget Example");
}
} // namespace
WidgetExample::WidgetExample() : ExampleBase("Widget") {
}
WidgetExample::~WidgetExample() {
}
void WidgetExample::CreateExampleView(View* container) {
container->SetLayoutManager(new BoxLayout(BoxLayout::kHorizontal, 0, 0, 2));
BuildButton(container, "Popup widget", POPUP);
BuildButton(container, "Dialog widget", DIALOG);
#if defined(OS_LINUX)
// Windows does not support TYPE_CONTROL top-level widgets.
BuildButton(container, "Child widget", CHILD);
#endif
}
void WidgetExample::BuildButton(View* container,
const std::string& label,
int tag) {
TextButton* button = new TextButton(this, ASCIIToUTF16(label));
button->set_focusable(true);
button->set_tag(tag);
container->AddChildView(button);
}
void WidgetExample::ShowWidget(View* sender, Widget::InitParams params) {
// Setup shared Widget heirarchy and bounds parameters.
params.parent = sender->GetWidget()->GetNativeView();
params.bounds = gfx::Rect(sender->GetBoundsInScreen().CenterPoint(),
gfx::Size(300, 200));
Widget* widget = new Widget();
widget->Init(params);
// If the Widget has no contents by default, add a view with a 'Close' button.
if (!widget->GetContentsView()) {
View* contents = new View();
contents->SetLayoutManager(new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0));
contents->set_background(Background::CreateSolidBackground(SK_ColorGRAY));
BuildButton(contents, "Close", CLOSE_WIDGET);
widget->SetContentsView(contents);
}
widget->Show();
}
void WidgetExample::ButtonPressed(Button* sender, const ui::Event& event) {
switch (sender->tag()) {
case POPUP:
ShowWidget(sender, Widget::InitParams(Widget::InitParams::TYPE_POPUP));
break;
case DIALOG: {
Widget::InitParams params(Widget::InitParams::TYPE_WINDOW);
params.delegate = new DialogExample();
params.remove_standard_frame = true;
params.transparent = true;
ShowWidget(sender, params);
break;
}
case CHILD:
ShowWidget(sender, Widget::InitParams(Widget::InitParams::TYPE_CONTROL));
break;
case CLOSE_WIDGET:
sender->GetWidget()->Close();
break;
}
}
} // namespace examples
} // namespace views
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