views: Move examples/ directory to ui/views/.

views/examples/widget_example.cc

-// 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/widget_example.h"
-
-#include "base/utf_string_conversions.h"
-#include "views/controls/button/text_button.h"
-#include "views/layout/box_layout.h"
-#include "views/layout/layout_manager.h"
-#include "views/view.h"
-#include "views/widget/widget.h"
-
-namespace {
-
-// A layout manager that layouts a single child at
-// the center of the host view.
-class CenterLayout : public views::LayoutManager {
- public:
-  CenterLayout() {}
-  virtual ~CenterLayout() {}
-
-  // Overridden from LayoutManager:
-  virtual void Layout(views::View* host) {
-    views::View* child = host->child_at(0);
-    gfx::Size size = child->GetPreferredSize();
-    child->SetBounds((host->width() - size.width()) / 2,
-                     (host->height() - size.height()) / 2,
-                     size.width(), size.height());
-  }
-
-  virtual gfx::Size GetPreferredSize(views::View* host) {
-    return gfx::Size();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CenterLayout);
-};
-
-}  // namespace
-
-namespace examples {
-
-WidgetExample::WidgetExample(ExamplesMain* main)
-    : ExampleBase(main, "Widget") {
-}
-
-WidgetExample::~WidgetExample() {
-}
-
-void WidgetExample::CreateExampleView(views::View* container) {
-  container->SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 2));
-  BuildButton(container, "Create a popup widget", POPUP);
-  BuildButton(container, "Create a transparent popup widget",
-              TRANSPARENT_POPUP);
-#if defined(OS_LINUX)
-  views::View* vert_container = new views::View();
-  container->AddChildView(vert_container);
-  vert_container->SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 20));
-  BuildButton(vert_container, "Create a child widget", CHILD);
-  BuildButton(vert_container, "Create a transparent child widget",
-              TRANSPARENT_CHILD);
-#endif
-}
-
-void WidgetExample::BuildButton(views::View* container,
-                                const std::string& label,
-                                int tag) {
-  views::TextButton* button = new views::TextButton(this, ASCIIToUTF16(label));
-  button->set_tag(tag);
-  container->AddChildView(button);
-}
-
-void WidgetExample::InitWidget(views::Widget* widget, bool transparent) {
-  // Add view/native buttons to close the popup widget.
-  views::TextButton* close_button = new views::TextButton(
-      this, ASCIIToUTF16("Close"));
-  close_button->set_tag(CLOSE_WIDGET);
-  // TODO(oshima): support transparent native view.
-  views::NativeTextButton* native_button = new views::NativeTextButton(
-      this, ASCIIToUTF16("Native Close"));
-  native_button->set_tag(CLOSE_WIDGET);
-
-  views::View* button_container = new views::View();
-  button_container->SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 1));
-  button_container->AddChildView(close_button);
-  button_container->AddChildView(native_button);
-
-  views::View* widget_container = new views::View();
-  widget_container->SetLayoutManager(new CenterLayout);
-  widget_container->AddChildView(button_container);
-
-  widget->SetContentsView(widget_container);
-
-  if (!transparent) {
-    widget_container->set_background(
-        views::Background::CreateStandardPanelBackground());
-  }
-
-  // Show the widget.
-  widget->Show();
-}
-
-#if defined(OS_LINUX)
-void WidgetExample::CreateChild(views::View* parent, bool transparent) {
-  views::Widget* widget = new views::Widget;
-  // Compute where to place the child widget.
-  // We'll place it at the center of the root widget.
-  views::Widget* parent_widget = parent->GetWidget();
-  gfx::Rect bounds = parent_widget->GetClientAreaScreenBounds();
-  // Child widget is 200x200 square.
-  bounds.SetRect((bounds.width() - 200) / 2, (bounds.height() - 200) / 2,
-      200, 200);
-  // Initialize the child widget with the computed bounds.
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
-  params.transparent = transparent;
-  params.parent_widget = parent_widget;
-  widget->Init(params);
-  InitWidget(widget, transparent);
-}
-#endif
-
-void WidgetExample::CreatePopup(views::View* parent, bool transparent) {
-  views::Widget* widget = new views::Widget;
-
-  // Compute where to place the popup widget.
-  // We'll place it right below the create button.
-  gfx::Point point = parent->GetMirroredPosition();
-  // The position in point is relative to the parent. Make it absolute.
-  views::View::ConvertPointToScreen(parent, &point);
-  // Add the height of create_button_.
-  point.Offset(0, parent->size().height());
-
-  // Initialize the popup widget with the computed bounds.
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
-  params.transparent = transparent;
-  params.parent_widget = parent->GetWidget();
-  params.bounds = gfx::Rect(point.x(), point.y(), 200, 300);
-  widget->Init(params);
-  InitWidget(widget, transparent);
-}
-
-void WidgetExample::ButtonPressed(views::Button* sender,
-                                  const views::Event& event) {
-  switch (sender->tag()) {
-    case POPUP:
-      CreatePopup(sender, false);
-      break;
-    case TRANSPARENT_POPUP:
-      CreatePopup(sender, true);
-      break;
-#if defined(OS_LINUX)
-    case CHILD:
-      CreateChild(sender, false);
-      break;
-    case TRANSPARENT_CHILD:
-      CreateChild(sender, true);
-      break;
-#endif
-    case CLOSE_WIDGET:
-      sender->GetWidget()->Close();
-      break;
-  }
-}
-
-}  // namespace examples