ui/views/examples/button_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/button_example.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/base/resource/resource_bundle.h"
   9 #include "ui/gfx/image/image.h"
  10 #include "ui/resources/grit/ui_resources.h"
  11 #include "ui/views/background.h"
  12 #include "ui/views/controls/button/blue_button.h"
  13 #include "ui/views/controls/button/image_button.h"
  14 #include "ui/views/controls/button/label_button.h"
  15 #include "ui/views/layout/box_layout.h"
  16 #include "ui/views/resources/grit/views_resources.h"
  17 #include "ui/views/view.h"
  18
  19 using base::ASCIIToUTF16;
  20
  21 namespace {
  22 const char kLabelButton[] = "Label Button";
  23 const char kMultiLineText[] = "Multi-Line\nButton Text Is Here To Stay!\n123";
  24 const char kLongText[] = "Start of Really Really Really Really Really Really "
  25                          "Really Really Really Really Really Really Really "
  26                          "Really Really Really Really Really Long Button Text";
  27 }  // namespace
  28
  29 namespace views {
  30 namespace examples {
  31
  32 ButtonExample::ButtonExample()
  33     : ExampleBase("Button"),
  34       label_button_(NULL),
  35       image_button_(NULL),
  36       icon_(NULL),
  37       count_(0) {
  38   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  39   icon_ = rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia();
  40 }
  41
  42 ButtonExample::~ButtonExample() {
  43 }
  44
  45 void ButtonExample::CreateExampleView(View* container) {
  46   container->set_background(Background::CreateSolidBackground(SK_ColorWHITE));
  47   container->SetLayoutManager(new BoxLayout(BoxLayout::kVertical, 10, 10, 10));
  48
  49   label_button_ = new LabelButton(this, ASCIIToUTF16(kLabelButton));
  50   label_button_->SetFocusable(true);
  51   container->AddChildView(label_button_);
  52
  53   LabelButton* styled_button =
  54       new LabelButton(this, ASCIIToUTF16("Styled Button"));
  55   styled_button->SetStyle(Button::STYLE_BUTTON);
  56   container->AddChildView(styled_button);
  57
  58   LabelButton* disabled_button =
  59       new LabelButton(this, ASCIIToUTF16("Disabled Button"));
  60   disabled_button->SetStyle(Button::STYLE_BUTTON);
  61   disabled_button->SetState(Button::STATE_DISABLED);
  62   container->AddChildView(disabled_button);
  63
  64   container->AddChildView(new BlueButton(this, ASCIIToUTF16("Blue Button")));
  65
  66   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  67   image_button_ = new ImageButton(this);
  68   image_button_->SetFocusable(true);
  69   image_button_->SetImage(ImageButton::STATE_NORMAL,
  70                           rb.GetImageNamed(IDR_CLOSE).ToImageSkia());
  71   image_button_->SetImage(ImageButton::STATE_HOVERED,
  72                           rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia());
  73   image_button_->SetImage(ImageButton::STATE_PRESSED,
  74                           rb.GetImageNamed(IDR_CLOSE_P).ToImageSkia());
  75   container->AddChildView(image_button_);
  76 }
  77
  78 void ButtonExample::LabelButtonPressed(const ui::Event& event) {
  79   PrintStatus("Label Button Pressed! count: %d", ++count_);
  80   if (event.IsControlDown()) {
  81     if (event.IsShiftDown()) {
  82       if (event.IsAltDown()) {
  83         label_button_->SetTextMultiLine(!label_button_->GetTextMultiLine());
  84         label_button_->SetText(ASCIIToUTF16(
  85             label_button_->GetTextMultiLine() ? kMultiLineText : kLabelButton));
  86       } else {
  87         label_button_->SetText(ASCIIToUTF16(
  88             label_button_->GetText().empty() ? kLongText :
  89                 label_button_->GetText().length() > 50 ? kLabelButton : ""));
  90       }
  91     } else if (event.IsAltDown()) {
  92       label_button_->SetImage(Button::STATE_NORMAL,
  93           label_button_->GetImage(Button::STATE_NORMAL).isNull() ?
  94           *icon_ : gfx::ImageSkia());
  95     } else {
  96       label_button_->SetHorizontalAlignment(
  97           static_cast<gfx::HorizontalAlignment>(
  98               (label_button_->GetHorizontalAlignment() + 1) % 3));
  99     }
 100   } else if (event.IsShiftDown()) {
 101     if (event.IsAltDown()) {
 102       label_button_->SetFocusable(!label_button_->IsFocusable());
 103     } else {
 104       label_button_->SetStyle(static_cast<Button::ButtonStyle>(
 105           (label_button_->style() + 1) % Button::STYLE_COUNT));
 106     }
 107   } else if (event.IsAltDown()) {
 108     label_button_->SetIsDefault(!label_button_->is_default());
 109   } else {
 110     label_button_->SetMinSize(gfx::Size());
 111   }
 112   example_view()->GetLayoutManager()->Layout(example_view());
 113 }
 114
 115 void ButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
 116   if (sender == label_button_)
 117     LabelButtonPressed(event);
 118   else
 119     PrintStatus("Image Button Pressed! count: %d", ++count_);
 120 }
 121
 122 }  // namespace examples
 123 }  // namespace views