2 * Copyright (c) 2016 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 simple-text-editor-example.cpp
20 * @brief Very basic usage of TextEditor control
24 #include <dali-toolkit/dali-toolkit.h>
29 #include "shared/view.h"
32 using namespace Dali::Toolkit;
37 const Vector4 BACKGROUND_COLOR( 0.04f, 0.345f, 0.392f, 1.0f ); ///< The background color.
38 const char* TOOLBAR_IMAGE = DEMO_IMAGE_DIR "top-bar.png"; ///< The tool-bar image.
39 const float TOOLBAR_BUTTON_PERCENTAGE = 0.1f; ///< The button's space width as a percentage of the toolbar's width.
40 const float TOOLBAR_TITLE_PERCENTAGE = 0.7f; ///< The title's width as a percentage of the toolbar's width.
41 const float TOOLBAR_HEIGHT_PERCENTAGE = 0.05f; ///< The toolbar's height as a percentage of the stage's height.
42 const float TOOLBAR_PADDING = 4.f; ///< The padding in pixels.
43 const float BUTTON_PERCENTAGE = 0.8f; ///< The button's height as a percentage of the space for the buttons in the toolbar.
44 const Vector3 TEXT_EDITOR_RELATIVE_SIZE( 1.f, 0.45f, 1.0f ); ///< The size of the text editor as a percentage of the stage's size.
45 const Vector4 TEXT_EDITOR_BACKGROUND_COLOR( 1.f, 1.f, 1.f, 0.15f ); ///< The background color of the text editor.
47 const Vector4 COLORS[] = { Color::RED,
55 const unsigned int NUMBER_OF_COLORS = sizeof( COLORS ) / sizeof( Vector4 );
57 } // Unnamed namespace
60 * @brief The main class of the demo.
62 class TextEditorExample : public ConnectionTracker
65 TextEditorExample( Application& application )
66 : mApplication( application )
68 // Connect to the Application's Init signal
69 mApplication.InitSignal().Connect( this, &TextEditorExample::Create );
74 // Nothing to do here.
78 * One-time setup in response to Application InitSignal.
80 void Create( Application& application )
82 Stage stage = Stage::GetCurrent();
84 // Respond to key events
85 stage.KeyEventSignal().Connect(this, &TextEditorExample::OnKeyEvent);
87 // Set a background color.
88 stage.SetBackgroundColor( BACKGROUND_COLOR );
91 const Vector2 stageSize = stage.GetSize();
93 // Creates a default view with a default tool bar.
94 // The view is added to the stage.
96 // Set the toolbar style
97 const float toolBarHeight = TOOLBAR_HEIGHT_PERCENTAGE * stageSize.height;
98 const DemoHelper::ViewStyle viewStyle( TOOLBAR_BUTTON_PERCENTAGE,
99 TOOLBAR_TITLE_PERCENTAGE,
103 Layer contents = DemoHelper::CreateView( mApplication,
111 // Create a label for the color selection button.
112 // The button will be a child of this, so as to be placed next to it.
113 TextLabel colorLabel = TextLabel::New( "Text Color: " );
114 colorLabel.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::WIDTH );
115 colorLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
116 colorLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
118 // Create a container for the color button, to layout the drop-down list below it.
119 mColorContainer = Control::New();
120 mColorContainer.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::WIDTH );
121 mColorContainer.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT );
122 mColorContainer.SetSizeModeFactor( Vector3( 0.0f, BUTTON_PERCENTAGE, 0.0f ) );
124 // Place to right of parent.
125 mColorContainer.SetParentOrigin( ParentOrigin::CENTER_RIGHT );
126 mColorContainer.SetAnchorPoint( AnchorPoint::CENTER_LEFT );
127 colorLabel.Add( mColorContainer );
129 // Add border to highlight harder-to-see colors.
130 // We use a color rather than border visual as the container will always be behind the button.
131 Property::Map colorMap;
132 colorMap.Insert( Visual::Property::TYPE, Visual::COLOR);
133 colorMap.Insert( ColorVisual::Property::MIX_COLOR, Color::BLACK );
134 mColorContainer.SetProperty( Control::Property::BACKGROUND, colorMap );
136 // Create a 'select color' button.
137 mColorButtonOption = Toolkit::PushButton::New();
138 mColorButtonOption.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
139 mColorButtonOption.SetSizeModeFactor( Vector3( 0.9f, 0.9f, 0.0f ) ); // Smaller than container to show border.
140 mColorButtonOption.SetParentOrigin( ParentOrigin::CENTER );
141 mColorButtonOption.SetAnchorPoint( AnchorPoint::CENTER );
143 mColorButtonOption.SetProperty( Button::Property::UNSELECTED_COLOR, Color::BLACK );
144 mColorButtonOption.SetProperty( Button::Property::SELECTED_COLOR, Color::BLACK );
146 mColorButtonOption.ClickedSignal().Connect( this, &TextEditorExample::OnChangeColorButtonClicked );
147 mColorContainer.Add( mColorButtonOption );
149 //Add label to toolbar, which will also add the color button next to it.
150 mToolBar.AddControl( colorLabel, viewStyle.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalLeft, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
152 // Create the text editor.
153 mEditor = TextEditor::New();
154 mEditor.SetParentOrigin( ParentOrigin::TOP_CENTER );
155 mEditor.SetAnchorPoint( AnchorPoint::TOP_CENTER );
156 mEditor.SetPosition( 0.f, toolBarHeight, 0.f );
157 mEditor.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
158 mEditor.SetSizeModeFactor( TEXT_EDITOR_RELATIVE_SIZE );
160 mEditor.SetBackgroundColor( TEXT_EDITOR_BACKGROUND_COLOR );
162 const Size boundingBoxSize( stageSize * TEXT_EDITOR_RELATIVE_SIZE.GetVectorXY() );
163 Rect<int> boundingBox( 0,
164 static_cast<int>( toolBarHeight ),
165 static_cast<int>( boundingBoxSize.width ),
166 static_cast<int>( boundingBoxSize.height - toolBarHeight ) );
168 mEditor.SetProperty( TextEditor::Property::DECORATION_BOUNDING_BOX, boundingBox );
169 mEditor.SetProperty( TextEditor::Property::TEXT_COLOR, Color::BLACK );
170 mEditor.SetProperty( TextEditor::Property::TEXT,
171 "Lorem ipsum dolor sit amet, aeque definiebas ea mei, posse iracundia ne cum.\n"
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175 "Quidam corpora at duo. An eos possim scripserit?\n\n"
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177 "Vis viris médiocrem elaboraret ét, verear civibus moderatius ex duo!\n"
178 "Án veri laborě iňtěgré quó, mei aď poššit lobortis, mei prompťa čonsťitůťó eů.\n"
179 "Aliquip sanctůs delicáta quí ěá, et natum aliquam est?\n"
180 "Asšúm sapěret usu ůť.\n"
181 "Síť ut apeirián laboramúš percipitur, sůas hařum ín éos?\n" );
183 mEditor.InputStyleChangedSignal().Connect( this, &TextEditorExample::OnTextInputStyleChanged );
185 contents.Add( mEditor );
188 void CreateButtonContainer()
190 mButtonContainer = Toolkit::TableView::New( NUMBER_OF_COLORS, 1u );
191 mButtonContainer.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
192 mButtonContainer.SetSizeModeFactor( Vector3( 1.0f, NUMBER_OF_COLORS, 1.0f ) );
194 // Place below color selection button.
195 mButtonContainer.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
196 mButtonContainer.SetAnchorPoint( AnchorPoint::TOP_CENTER );
197 mButtonContainer.SetPosition( 0.0f, 2.f * TOOLBAR_PADDING, 0.f );
198 mColorContainer.Add( mButtonContainer );
200 const Vector3 buttonPercentage( 1.f, 0.8f / static_cast<float>( NUMBER_OF_COLORS ), 1.f );
201 for( unsigned int index = 0u; index < NUMBER_OF_COLORS; ++index )
203 Toolkit::PushButton button = Toolkit::PushButton::New();
204 button.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
205 button.SetSizeModeFactor( buttonPercentage );
207 std::ostringstream s;
208 s << "color" << index;
209 button.SetName( s.str() );
211 button.SetProperty( Button::Property::UNSELECTED_COLOR, COLORS[index] );
212 button.SetProperty( Button::Property::SELECTED_COLOR, COLORS[index] );
214 button.ClickedSignal().Connect( this, &TextEditorExample::OnColorButtonClicked );
216 mButtonContainer.Add( button );
220 void OnKeyEvent( const KeyEvent& event )
222 if( event.state == KeyEvent::Down )
224 if( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
226 // Exit application when click back or escape.
232 bool OnChangeColorButtonClicked( Button button )
234 if( !mButtonContainer )
236 CreateButtonContainer();
239 mButtonContainer.SetVisible( true );
240 mButtonContainer.SetSensitive( true );
244 bool OnColorButtonClicked( Button button )
246 const std::string& name = button.GetName();
249 if( "color" == name.substr( 0u, 5u ) )
251 const unsigned int index = strtoul( name.substr( 5u, 1u ).c_str(), NULL, 10u );
252 color = COLORS[index];
253 mEditor.SetProperty( TextEditor::Property::INPUT_COLOR, color );
256 mColorButtonOption.SetProperty( Button::Property::UNSELECTED_COLOR, color );
257 mColorButtonOption.SetProperty( Button::Property::SELECTED_COLOR, color );
259 mButtonContainer.SetVisible( false );
260 mButtonContainer.SetSensitive( false );
265 void OnTextInputStyleChanged( TextEditor editor, TextEditor::InputStyle::Mask mask )
267 if( TextEditor::InputStyle::NONE != static_cast<TextEditor::InputStyle::Mask>( mask & TextEditor::InputStyle::COLOR ) )
269 const Vector4 color = editor.GetProperty( TextEditor::Property::INPUT_COLOR ).Get<Vector4>();
271 mColorButtonOption.SetProperty( Button::Property::UNSELECTED_COLOR, color );
272 mColorButtonOption.SetProperty( Button::Property::SELECTED_COLOR, color );
280 Application& mApplication;
282 Toolkit::Control mView;
283 Toolkit::ToolBar mToolBar;
284 Toolkit::TextEditor mEditor;
285 Toolkit::Control mColorContainer;
286 Toolkit::PushButton mColorButtonOption;
287 Toolkit::TableView mButtonContainer;
290 void RunTest( Application& application )
292 TextEditorExample test( application );
294 application.MainLoop();
297 /** Entry point for Linux & Tizen applications */
298 int main( int argc, char **argv )
300 // DALI_DEMO_THEME_PATH not passed to Application so TextEditor example uses default Toolkit style sheet.
301 Application application = Application::New( &argc, &argv );
303 RunTest( application );