2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 * @file text-field-example.cpp
20 * @brief Basic usage of TextField control
24 #include <dali-toolkit/dali-toolkit.h>
25 #include <dali-toolkit/devel-api/controls/popup/popup.h>
27 #include <dali/public-api/events/touch-point.h>
30 #include "shared/multi-language-strings.h"
31 #include "shared/view.h"
34 using namespace Dali::Toolkit;
35 using namespace MultiLanguageStrings;
40 const char* const FOLDER_ICON_IMAGE = DEMO_IMAGE_DIR "folder_appicon_empty_bg.png";
41 const char* const FOLDER_OPEN_ICON_IMAGE = DEMO_IMAGE_DIR "folder_appicon_empty_open_bg.png";
43 const float BORDER_WIDTH = 4.0f;
45 const Vector3 POPUP_SIZE_FACTOR_TO_PARENT = Vector3( 0.0, 0.25, 0.0 );
47 } // unnamed namespace
50 * @brief The main class of the demo.
52 class TextFieldExample : public ConnectionTracker
56 TextFieldExample( Application& application )
57 : mApplication( application )
59 // Connect to the Application's Init signal
60 mApplication.InitSignal().Connect( this, &TextFieldExample::Create );
65 // Nothing to do here.
69 * One-time setup in response to Application InitSignal.
71 void Create( Application& application )
73 Stage stage = Stage::GetCurrent();
75 stage.SetBackgroundColor( Vector4( 0.04f, 0.345f, 0.392f, 1.0f ) );
76 stage.KeyEventSignal().Connect(this, &TextFieldExample::OnKeyEvent);
78 // Hide the indicator bar
79 application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
81 mButton = CreateFolderButton();
82 mButton.ClickedSignal().Connect( this, &TextFieldExample::OnButtonClicked );
86 PushButton CreateFolderButton()
88 PushButton button = PushButton::New();
89 button.SetUnselectedImage( FOLDER_ICON_IMAGE );
90 button.SetSelectedImage( FOLDER_OPEN_ICON_IMAGE );
91 button.SetAnchorPoint( AnchorPoint::TOP_LEFT );
92 button.SetResizePolicy( ResizePolicy::FIXED, Dimension::ALL_DIMENSIONS );
93 ImageDimensions imageSize = ResourceImage::GetImageSize( FOLDER_ICON_IMAGE );
94 button.SetSize( imageSize.GetWidth(), imageSize.GetHeight() );
99 bool OnButtonClicked( Toolkit::Button button )
101 Stage stage = Stage::GetCurrent();
102 Vector2 stageSize = stage.GetSize();
104 // Remove previously hidden pop-up
105 UnparentAndReset(mPopup);
107 // Launch a pop-up containing TextField
108 mField = CreateTextField( stageSize, mButtonLabel );
109 mPopup = CreatePopup( stageSize.width * 0.8f );
110 mPopup.Add( mField );
111 mPopup.OutsideTouchedSignal().Connect( this, &TextFieldExample::OnPopupOutsideTouched );
113 mPopup.SetDisplayState( Popup::SHOWN );
118 TextField CreateTextField( const Vector2& stageSize, const std::string& text )
120 TextField field = TextField::New();
121 field.SetName("textField");
122 field.SetAnchorPoint( AnchorPoint::TOP_LEFT );
123 field.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
124 field.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
125 field.SetProperty( TextField::Property::TEXT, text );
126 field.SetProperty( TextField::Property::TEXT_COLOR, Vector4( 0.0f, 1.0f, 1.0f, 1.0f ) ); // CYAN
127 field.SetProperty( TextField::Property::PLACEHOLDER_TEXT, "Unnamed folder" );
128 field.SetProperty( TextField::Property::PLACEHOLDER_TEXT_FOCUSED, "Enter folder name." );
129 field.SetProperty( TextField::Property::DECORATION_BOUNDING_BOX, Rect<int>( BORDER_WIDTH, BORDER_WIDTH, stageSize.width - BORDER_WIDTH*2, stageSize.height - BORDER_WIDTH*2 ) );
134 Popup CreatePopup( float width )
136 Popup popup = Popup::New();
137 popup.SetParentOrigin( ParentOrigin::CENTER );
138 popup.SetAnchorPoint( AnchorPoint::CENTER );
139 popup.SetSize( width, 0.0f );
140 popup.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT );
141 popup.SetSizeModeFactor( POPUP_SIZE_FACTOR_TO_PARENT );
142 popup.TouchSignal().Connect( this, &TextFieldExample::OnPopupTouched );
147 void OnPopupOutsideTouched()
149 // Update the folder text
150 if( mButton && mField )
152 Property::Value text = mField.GetProperty( TextField::Property::TEXT );
153 mButtonLabel = text.Get< std::string >();
154 mButton.SetLabelText( mButtonLabel );
157 // Hide & discard the pop-up
160 mPopup.SetDisplayState( Popup::HIDDEN );
165 bool OnPopupTouched( Actor actor, const TouchData& event )
167 // End edit mode for TextField if parent Popup touched.
168 if(event.GetPointCount() > 0)
170 switch( event.GetState( 0 ) )
172 case PointState::DOWN:
174 // Update the folder text and lose focus for Key events
175 if( mButton && mField )
177 Property::Value text = mField.GetProperty( TextField::Property::TEXT );
178 mButtonLabel = text.Get< std::string >();
179 mButton.SetLabelText( mButtonLabel );
180 mField.ClearKeyInputFocus();
195 * Main key event handler
197 void OnKeyEvent(const KeyEvent& event)
199 if(event.state == KeyEvent::Down)
201 if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
210 Application& mApplication;
212 // This button launches a pop-up containing TextField
214 std::string mButtonLabel;
221 void RunTest( Application& application )
223 TextFieldExample test( application );
225 application.MainLoop();
228 /** Entry point for Linux & Tizen applications */
229 int DALI_EXPORT_API main( int argc, char **argv )
231 // DALI_DEMO_THEME_PATH not passed to Application so TextField example uses default Toolkit style sheet.
232 Application application = Application::New( &argc, &argv );
234 RunTest( application );