Add views/examples/slider_example.h

The example demonstrates how to use the Slider class.

BUG=none
TEST=manually

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=34142

Review URL: http://codereview.chromium.org/466055

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@34223 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 63 insertions, 2 deletions

diff --git a/views/examples/examples_main.cc b/views/examples/examples_main.cc
index 5aa3279..0b8b7b1 100644
--- a/views/examples/examples_main.cc
+++ b/views/examples/examples_main.cc
@@ -16,9 +16,13 @@
 #include "views/examples/message_box_example.h"
 #include "views/examples/radio_button_example.h"
 #include "views/examples/scroll_view_example.h"
+// Slider is not yet ported to Windows.
+#if defined(OS_LINUX)
+#include "views/examples/slider_example.h"
+#endif
 #include "views/examples/tabbed_pane_example.h"
 #if defined(OS_WIN)
-// TableView and TableView2 are not yet ported to Linux.
+// TableView is not yet ported to Linux.
 #include "views/examples/table_example.h"
 #endif
 #include "views/examples/table2_example.h"
@@ -79,7 +83,7 @@ void ExamplesMain::Run() {
   layout->AddView(status_label_);
 
   views::Window* window =
-      views::Window::CreateChromeWindow(NULL, gfx::Rect(0, 0, 700, 300), this);
+      views::Window::CreateChromeWindow(NULL, gfx::Rect(0, 0, 750, 300), this);
 
   examples::TextfieldExample textfield_example(this);
   tabbed_pane->AddTab(textfield_example.GetExampleTitle(),
@@ -123,6 +127,12 @@ void ExamplesMain::Run() {
   tabbed_pane->AddTab(widget_example.GetExampleTitle(),
                       widget_example.GetExampleView());
 
+#if defined(OS_LINUX)
+  examples::SliderExample slider_example(this);
+  tabbed_pane->AddTab(slider_example.GetExampleTitle(),
+                      slider_example.GetExampleView());
+#endif
+
   window->Show();
   views::AcceleratorHandler accelerator_handler;
   MessageLoopForUI::current()->Run(&accelerator_handler);
diff --git a/views/examples/slider_example.h b/views/examples/slider_example.h
new file mode 100644
index 0000000..601e6c1
--- /dev/null
+++ b/views/examples/slider_example.h
@@ -0,0 +1,51 @@
+// Copyright (c) 2009 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_SLIDER_EXAMPLE_H_
+#define VIEWS_EXAMPLES_SLIDER_EXAMPLE_H_
+
+#include "views/controls/slider/slider.h"
+#include "views/examples/example_base.h"
+#include "views/fill_layout.h"
+
+namespace examples {
+
+// SliderExample demonstrates how to use the Slider class.
+class SliderExample : public ExampleBase, views::SliderListener {
+ public:
+  explicit SliderExample(ExamplesMain* main) : ExampleBase(main) {
+  }
+
+  virtual ~SliderExample() {}
+
+  virtual std::wstring GetExampleTitle() {
+    return L"Slider";
+  }
+
+  virtual void CreateExampleView(views::View* container) {
+    const double min = 0.0;
+    const double max = 100.0;
+    const double step = 1.0;
+    const views::Slider::StyleFlags style =
+        views::Slider::STYLE_DRAW_VALUE;
+    slider_ = new views::Slider(min, max, step, style, this);
+
+    container->SetLayoutManager(new views::FillLayout);
+    container->AddChildView(slider_);
+  }
+
+ private:
+  virtual void SliderValueChanged(views::Slider* sender) {
+    PrintStatus(L"Value: %.1f", sender->value());
+  }
+
+  views::Slider* slider_;
+
+  DISALLOW_COPY_AND_ASSIGN(SliderExample);
+};
+
+}  // namespace examples
+
+#endif  // VIEWS_EXAMPLES_SLIDER_EXAMPLE_H_
+