src/ui/views/examples/bubble_example.cc

   1 // Copyright (c) 2012 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/bubble_example.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/views/bubble/bubble_delegate.h"
   9 #include "ui/views/controls/button/label_button.h"
  10 #include "ui/views/controls/label.h"
  11 #include "ui/views/layout/box_layout.h"
  12 #include "ui/views/widget/widget.h"
  13
  14 namespace views {
  15 namespace examples {
  16
  17 namespace {
  18
  19 SkColor colors[] = { SK_ColorWHITE, SK_ColorGRAY, SK_ColorCYAN, 0xFFC1B1E1 };
  20
  21 BubbleBorder::Arrow arrows[] = {
  22     BubbleBorder::TOP_LEFT, BubbleBorder::TOP_CENTER,
  23     BubbleBorder::TOP_RIGHT, BubbleBorder::RIGHT_TOP,
  24     BubbleBorder::RIGHT_CENTER, BubbleBorder::RIGHT_BOTTOM,
  25     BubbleBorder::BOTTOM_RIGHT, BubbleBorder::BOTTOM_CENTER,
  26     BubbleBorder::BOTTOM_LEFT, BubbleBorder::LEFT_BOTTOM,
  27     BubbleBorder::LEFT_CENTER, BubbleBorder::LEFT_TOP };
  28
  29 string16 GetArrowName(BubbleBorder::Arrow arrow) {
  30   switch (arrow) {
  31     case BubbleBorder::TOP_LEFT:      return ASCIIToUTF16("TOP_LEFT");
  32     case BubbleBorder::TOP_RIGHT:     return ASCIIToUTF16("TOP_RIGHT");
  33     case BubbleBorder::BOTTOM_LEFT:   return ASCIIToUTF16("BOTTOM_LEFT");
  34     case BubbleBorder::BOTTOM_RIGHT:  return ASCIIToUTF16("BOTTOM_RIGHT");
  35     case BubbleBorder::LEFT_TOP:      return ASCIIToUTF16("LEFT_TOP");
  36     case BubbleBorder::RIGHT_TOP:     return ASCIIToUTF16("RIGHT_TOP");
  37     case BubbleBorder::LEFT_BOTTOM:   return ASCIIToUTF16("LEFT_BOTTOM");
  38     case BubbleBorder::RIGHT_BOTTOM:  return ASCIIToUTF16("RIGHT_BOTTOM");
  39     case BubbleBorder::TOP_CENTER:    return ASCIIToUTF16("TOP_CENTER");
  40     case BubbleBorder::BOTTOM_CENTER: return ASCIIToUTF16("BOTTOM_CENTER");
  41     case BubbleBorder::LEFT_CENTER:   return ASCIIToUTF16("LEFT_CENTER");
  42     case BubbleBorder::RIGHT_CENTER:  return ASCIIToUTF16("RIGHT_CENTER");
  43     case BubbleBorder::NONE:          return ASCIIToUTF16("NONE");
  44     case BubbleBorder::FLOAT:         return ASCIIToUTF16("FLOAT");
  45   }
  46   return ASCIIToUTF16("INVALID");
  47 }
  48
  49 class ExampleBubble : public BubbleDelegateView {
  50  public:
  51    ExampleBubble(View* anchor, BubbleBorder::Arrow arrow)
  52        : BubbleDelegateView(anchor, arrow) {}
  53
  54  protected:
  55   virtual void Init() OVERRIDE {
  56     SetLayoutManager(new BoxLayout(BoxLayout::kVertical, 50, 50, 0));
  57     AddChildView(new Label(GetArrowName(arrow())));
  58   }
  59
  60  private:
  61   DISALLOW_COPY_AND_ASSIGN(ExampleBubble);
  62 };
  63
  64 }  // namespace
  65
  66 BubbleExample::BubbleExample() : ExampleBase("Bubble") {}
  67
  68 BubbleExample::~BubbleExample() {}
  69
  70 void BubbleExample::CreateExampleView(View* container) {
  71   PrintStatus("Click with optional modifiers: [Ctrl] for set_arrow(NONE), "
  72      "[Alt] for set_arrow(FLOAT), or [Shift] to reverse the arrow iteration.");
  73   container->SetLayoutManager(new BoxLayout(BoxLayout::kHorizontal, 0, 0, 10));
  74   no_shadow_ = new LabelButton(this, ASCIIToUTF16("No Shadow"));
  75   container->AddChildView(no_shadow_);
  76   big_shadow_ = new LabelButton(this, ASCIIToUTF16("Big Shadow"));
  77   container->AddChildView(big_shadow_);
  78   small_shadow_ = new LabelButton(this, ASCIIToUTF16("Small Shadow"));
  79   container->AddChildView(small_shadow_);
  80   align_to_edge_ = new LabelButton(this, ASCIIToUTF16("Align To Edge"));
  81   container->AddChildView(align_to_edge_);
  82   persistent_ = new LabelButton(this, ASCIIToUTF16("Persistent"));
  83   container->AddChildView(persistent_);
  84   fade_in_ = new LabelButton(this, ASCIIToUTF16("Fade In"));
  85   container->AddChildView(fade_in_);
  86 }
  87
  88 void BubbleExample::ButtonPressed(Button* sender, const ui::Event& event) {
  89   static int arrow_index = 0, color_index = 0;
  90   static const int count = arraysize(arrows);
  91   arrow_index = (arrow_index + count + (event.IsShiftDown() ? -1 : 1)) % count;
  92   BubbleBorder::Arrow arrow = arrows[arrow_index];
  93   if (event.IsControlDown())
  94     arrow = BubbleBorder::NONE;
  95   else if (event.IsAltDown())
  96     arrow = BubbleBorder::FLOAT;
  97
  98   ExampleBubble* bubble = new ExampleBubble(sender, arrow);
  99   bubble->set_color(colors[(color_index++) % arraysize(colors)]);
 100
 101   if (sender == no_shadow_)
 102     bubble->set_shadow(BubbleBorder::NO_SHADOW);
 103   else if (sender == big_shadow_)
 104     bubble->set_shadow(BubbleBorder::BIG_SHADOW);
 105   else if (sender == small_shadow_)
 106     bubble->set_shadow(BubbleBorder::SMALL_SHADOW);
 107
 108   if (sender == persistent_) {
 109     bubble->set_close_on_deactivate(false);
 110     bubble->set_move_with_anchor(true);
 111   }
 112
 113   BubbleDelegateView::CreateBubble(bubble);
 114   if (sender == align_to_edge_)
 115     bubble->SetAlignment(BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
 116
 117   if (sender == fade_in_)
 118     bubble->StartFade(true);
 119   else
 120     bubble->GetWidget()->Show();
 121 }
 122
 123 }  // namespace examples
 124 }  // namespace views