ui/views/examples/single_split_view_example.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/examples/single_split_view_example.h"
   6
   7 #include "ui/views/background.h"
   8 #include "ui/views/controls/single_split_view.h"
   9 #include "ui/views/layout/grid_layout.h"
  10
  11 namespace views {
  12 namespace examples {
  13 namespace {
  14
  15 // SingleSplitView's content, which draws gradient color on background.
  16 class SplittedView : public View {
  17  public:
  18   SplittedView();
  19   ~SplittedView() override;
  20
  21   void SetColor(SkColor from, SkColor to);
  22
  23  private:
  24   // View:
  25   gfx::Size GetPreferredSize() const override;
  26   gfx::Size GetMinimumSize() const override;
  27   void Layout() override;
  28
  29   DISALLOW_COPY_AND_ASSIGN(SplittedView);
  30 };
  31
  32 SplittedView::SplittedView() {
  33   SetColor(SK_ColorRED, SK_ColorGREEN);
  34 }
  35
  36 SplittedView::~SplittedView() {
  37 }
  38
  39 void SplittedView::SetColor(SkColor from, SkColor to) {
  40   set_background(Background::CreateVerticalGradientBackground(from, to));
  41 }
  42
  43 gfx::Size SplittedView::GetPreferredSize() const {
  44   return gfx::Size(width(), height());
  45 }
  46
  47 gfx::Size SplittedView::GetMinimumSize() const {
  48   return gfx::Size(10, 10);
  49 }
  50
  51 void SplittedView::Layout() {
  52   SizeToPreferredSize();
  53 }
  54
  55 }  // namespace
  56
  57 SingleSplitViewExample::SingleSplitViewExample()
  58     : ExampleBase("Single Split View") {
  59 }
  60
  61 SingleSplitViewExample::~SingleSplitViewExample() {
  62 }
  63
  64 void SingleSplitViewExample::CreateExampleView(View* container) {
  65   SplittedView* splitted_view_1 = new SplittedView;
  66   SplittedView* splitted_view_2 = new SplittedView;
  67
  68   splitted_view_1->SetColor(SK_ColorYELLOW, SK_ColorCYAN);
  69
  70   single_split_view_ = new SingleSplitView(
  71       splitted_view_1, splitted_view_2,
  72       SingleSplitView::HORIZONTAL_SPLIT,
  73       this);
  74
  75   GridLayout* layout = new GridLayout(container);
  76   container->SetLayoutManager(layout);
  77
  78   ColumnSet* column_set = layout->AddColumnSet(0);
  79   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
  80                         GridLayout::USE_PREF, 0, 0);
  81   layout->StartRow(1, 0);
  82   layout->AddView(single_split_view_);
  83 }
  84
  85 bool SingleSplitViewExample::SplitHandleMoved(SingleSplitView* sender) {
  86   PrintStatus("Splitter moved");
  87   return true;
  88 }
  89
  90 }  // namespace examples
  91 }  // namespace views