/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/**
* @file text-label-example.cpp
- * @brief Basic usage of TextLabel control
+ * @brief Usage of TextLabel control with style application.
*/
// EXTERNAL INCLUDES
+#include <dali/devel-api/object/handle-devel.h>
+#include <dali/devel-api/actors/actor-devel.h>
+#include <dali-toolkit/devel-api/controls/buttons/button-devel.h>
+#include <dali-toolkit/devel-api/controls/text-controls/text-label-devel.h>
+#include <dali-toolkit/devel-api/text/text-enumerations-devel.h>
#include <dali-toolkit/dali-toolkit.h>
-#include <dali/public-api/text-abstraction/text-abstraction.h>
+#include <iostream>
// INTERNAL INCLUDES
-#include "center-layout.h"
#include "shared/multi-language-strings.h"
+#include "shared/view.h"
+#include "expanding-buttons.h"
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
- const unsigned int KEY_ZERO = 10;
- const unsigned int KEY_ONE = 11;
- const unsigned int KEY_A = 38;
- const unsigned int KEY_M = 58;
- const unsigned int KEY_L = 46;
+const char* const BACKGROUND_IMAGE = DEMO_IMAGE_DIR "grab-handle.png";
+const char* const STYLE_SELECTED_IMAGE = DEMO_IMAGE_DIR "FontStyleButton_OK_03.png";
- const char* ALIGNMENT_STRING_TABLE[] =
- {
- "BEGIN",
- "CENTER",
- "END"
- };
+const char* BUTTON_IMAGES[] =
+{
+ DEMO_IMAGE_DIR "FontStyleButton_Colour.png",
+ DEMO_IMAGE_DIR "FontStyleButton_Outline.png",
+ DEMO_IMAGE_DIR "FontStyleButton_Shadow.png",
+ DEMO_IMAGE_DIR "FontStyleButton_Background.png"
+};
+
+const unsigned int KEY_ZERO = 10;
+const unsigned int KEY_ONE = 11;
+const unsigned int KEY_A = 38;
+const unsigned int KEY_F = 41;
+const unsigned int KEY_H = 43;
+const unsigned int KEY_U = 30;
+const unsigned int KEY_V = 55;
+const unsigned int KEY_M = 58;
+const unsigned int KEY_L = 46;
+const unsigned int KEY_S = 39;
+const unsigned int KEY_PLUS = 21;
+const unsigned int KEY_MINUS = 20;
+
+const char* H_ALIGNMENT_STRING_TABLE[] =
+{
+ "BEGIN",
+ "CENTER",
+ "END"
+};
+
+const unsigned int H_ALIGNMENT_STRING_COUNT = sizeof( H_ALIGNMENT_STRING_TABLE ) / sizeof( H_ALIGNMENT_STRING_TABLE[0u] );
- const unsigned int ALIGNMENT_STRING_COUNT = sizeof( ALIGNMENT_STRING_TABLE ) / sizeof( ALIGNMENT_STRING_TABLE[0u] );
+const char* V_ALIGNMENT_STRING_TABLE[] =
+{
+ "TOP",
+ "CENTER",
+ "BOTTOM"
+};
+
+const unsigned int V_ALIGNMENT_STRING_COUNT = sizeof( V_ALIGNMENT_STRING_TABLE ) / sizeof( V_ALIGNMENT_STRING_TABLE[0u] );
+
+enum StyleType
+{
+ TEXT_COLOR = 0,
+ OUTLINE,
+ SHADOW,
+ BACKGROUND,
+ NUMBER_OF_STYLES
+};
+
+const Vector4 AVAILABLE_COLORS[] =
+{
+ Color::GREEN,
+ Color::BLUE,
+ Color::RED,
+ Color::CYAN,
+ Color::WHITE // Used as clear
+};
+
+const unsigned int NUMBER_OF_COLORS = sizeof( AVAILABLE_COLORS ) / sizeof( AVAILABLE_COLORS[0u] );
+
+int ConvertToEven(int value)
+{
+ return (value % 2 == 0) ? value : (value + 1);
}
+struct HSVColorConstraint
+{
+ HSVColorConstraint(float hue, float saturation, float value)
+ : hue(hue),
+ saturation(saturation),
+ value(value)
+ {
+ }
+
+ void operator()(Vector3& current, const PropertyInputContainer& inputs )
+ {
+ current = hsv2rgb(Vector3(inputs[0]->GetFloat(), saturation, value));
+ }
+
+ Vector3 hsv2rgb(Vector3 colorHSV)
+ {
+ float r=colorHSV.z*(1+colorHSV.y*(cos(colorHSV.x)-1));
+ float g=colorHSV.z*(1+colorHSV.y*(cos(colorHSV.x-2.09439)-1));
+ float b=colorHSV.z*(1+colorHSV.y*(cos(colorHSV.x+2.09439)-1));
+ return Vector3(r, g, b);
+ }
+ float hue;
+ float saturation;
+ float value;
+};
+
+const float STYLE_BUTTON_POSTION_RELATIVE_TO_STAGE = 0.9f;
+const float BUTTON_SIZE_RATIO_TO_STAGE = 0.1f;
+const float OUTLINE_WIDTH = 2.0f;
+const Vector2 SHADOW_OFFSET = Vector2( 2.0f, 2.0f );
+const int GAP_BETWEEN_BUTTONS = 3;
+
+
+} // anonymous namespace
+
/**
* @brief The main class of the demo.
*/
TextLabelExample( Application& application )
: mApplication( application ),
+ mLabel(),
+ mSelectedColor(AVAILABLE_COLORS[0]),
+ mStyleActivatedForColor( NUMBER_OF_STYLES ),
+ mContainer(),
+ mGrabCorner(),
+ mBorder(),
+ mPanGestureDetector(),
+ mLayoutSize(),
mLanguageId( 0u ),
- mAlignment( 0u )
+ mAlignment( 0u ),
+ mHueAngleIndex( Property::INVALID_INDEX ),
+ mOverrideMixColorIndex( Property::INVALID_INDEX ),
+ mColorButtonsHidden( true ),
+ mCollapseColorsAndStyles( false )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &TextLabelExample::Create );
+
+ // Set Style flags to inactive
+ for ( unsigned int i = TEXT_COLOR; i < NUMBER_OF_STYLES; i++ )
+ {
+ mStyleActiveState[ i ] = false;
+ mCurrentStyleColor[i] = AVAILABLE_COLORS[ NUMBER_OF_COLORS - 1 ];
+ }
}
~TextLabelExample()
// Nothing to do here.
}
+ // Clicking the expanding button shows the registered style buttons.
+ void SetUpExpandingStyleButtons( Vector2 position )
+ {
+ mExpandingButtons = Demo::ExpandingButtons::New();
+ mExpandingButtons.SetPosition( mButtonSize.width, mStageSize.height * STYLE_BUTTON_POSTION_RELATIVE_TO_STAGE );
+ mExpandingButtons.CollapsingSignal().Connect( this, &TextLabelExample::OnExpandingButtonCollapsing );
+ mExpandingButtons.SetSize( mButtonSize );
+ // Creates the buttons to be expanded
+ CreateStyleButtons();
+
+ // Register the created buttons with the ExpandingButtons.
+ for ( unsigned int index = 0; index < NUMBER_OF_STYLES; index++ )
+ {
+ mExpandingButtons.RegisterButton( mStyleButtons[index] );
+ }
+ }
+
/**
* One-time setup in response to Application InitSignal.
*/
{
Stage stage = Stage::GetCurrent();
- stage.SetBackgroundColor( Color::BLUE );
stage.KeyEventSignal().Connect(this, &TextLabelExample::OnKeyEvent);
- Vector2 stageSize = stage.GetSize();
+ mStageSize = stage.GetSize();
+ mButtonSize = Size( mStageSize.height * 0.1, mStageSize.height * 0.1 ); // Button size 1/10 of stage height
- CenterLayout centerLayout = CenterLayout::New();
- centerLayout.SetParentOrigin( ParentOrigin::CENTER );
- centerLayout.SetSize( stageSize.width*0.6f, stageSize.width*0.6f );
- stage.Add( centerLayout );
+ mContainer = Control::New();
+ mContainer.SetName( "Container" );
+ mContainer.SetParentOrigin( ParentOrigin::CENTER );
+ mLayoutSize = Vector2(mStageSize.width*0.6f, mStageSize.width*0.6f);
+ mContainer.SetSize( mLayoutSize );
+ stage.Add( mContainer );
- mLabel = TextLabel::New();
- mLabel.SetBackgroundColor( Color::BLACK );
- centerLayout.Add( mLabel );
+ // Resize the center layout when the corner is grabbed
+ mGrabCorner = ImageView::New( BACKGROUND_IMAGE );
+ mGrabCorner.SetName( "GrabCorner" );
+ mGrabCorner.SetAnchorPoint( AnchorPoint::TOP_CENTER );
+ mGrabCorner.SetParentOrigin( ParentOrigin::BOTTOM_RIGHT );
+ mGrabCorner.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+ mContainer.Add( mGrabCorner );
+ mPanGestureDetector = PanGestureDetector::New();
+ mPanGestureDetector.Attach( mGrabCorner );
+ mPanGestureDetector.DetectedSignal().Connect( this, &TextLabelExample::OnPan );
+
+ mLabel = TextLabel::New( "\xF0\x9F\x98\x89 A Quick Brown Fox Jumps Over The Lazy Dog" );
+
+ mLabel.SetName( "TextLabel" );
+ mLabel.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mLabel.SetSize(mLayoutSize);
mLabel.SetProperty( TextLabel::Property::MULTI_LINE, true );
- mLabel.SetProperty( TextLabel::Property::TEXT, "A Quick Brown Fox Jumps Over The Lazy Dog" );
+ mLabel.SetProperty( TextLabel::Property::TEXT_COLOR, Color::GREEN );
+ mLabel.SetBackgroundColor( Color::WHITE );
+ mContainer.Add( mLabel );
+
+ // Clicking ExpandingButton shows the Registered Style buttons, clicking again hides them.
+ Vector2 expandingButtonPosition( mButtonSize.width, mStageSize.height * STYLE_BUTTON_POSTION_RELATIVE_TO_STAGE );
+ SetUpExpandingStyleButtons( expandingButtonPosition );
+ stage.Add( mExpandingButtons );
+
+ // Add a border for the container so you can see the container is being resized while grabbing the handle.
+ mBorder = Control::New();
+ mBorder.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mBorder.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
+ mBorder.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
+
+ Dali::Property::Map border;
+ border.Insert( Toolkit::Visual::Property::TYPE, Visual::BORDER );
+ border.Insert( BorderVisual::Property::COLOR, Color::WHITE );
+ border.Insert( BorderVisual::Property::SIZE, 3.f );
+ mBorder.SetProperty( Control::Property::BACKGROUND, border );
+ mContainer.Add( mBorder );
+ mBorder.SetVisible(false);
+ mGrabCorner.RaiseToTop();
+
+ mHueAngleIndex = mLabel.RegisterProperty( "hue", 0.0f );
+ Renderer bgRenderer = mLabel.GetRendererAt(0);
+ mOverrideMixColorIndex = DevelHandle::GetPropertyIndex( bgRenderer, ColorVisual::Property::MIX_COLOR );
+
+ Constraint constraint = Constraint::New<Vector3>( bgRenderer, mOverrideMixColorIndex, HSVColorConstraint(0.0f, 0.5f, 0.8f));
+ constraint.AddSource( Source( mLabel, mHueAngleIndex ) );
+ constraint.SetRemoveAction( Constraint::Discard );
+ constraint.Apply();
+
+ Animation anim = Animation::New(50.0f);
+ anim.AnimateTo(Property(mLabel, mHueAngleIndex), 6.28318f);
+ anim.SetLooping(true);
+ anim.Play();
+
+ mContainer.RaiseToTop();
+ mGrabCorner.RaiseToTop();
Property::Value labelText = mLabel.GetProperty( TextLabel::Property::TEXT );
std::cout << "Displaying text: \"" << labelText.Get< std::string >() << "\"" << std::endl;
}
+ // If the styling buttons should colapse (hide) then the color buttons should also hide.
+ bool OnExpandingButtonCollapsing( Demo::ExpandingButtons button )
+ {
+ mCollapseColorsAndStyles = true;
+ HideColorButtons();
+ return true;
+ }
+
+ // Get the style type from the given button
+ StyleType GetStyleTypeFromButton( Toolkit::Button button )
+ {
+ StyleType style = StyleType::TEXT_COLOR;
+
+ if( button == mStyleButtons[ StyleType::OUTLINE ] )
+ {
+ style = StyleType::OUTLINE;
+ }
+ else if( button == mStyleButtons[ StyleType::SHADOW ] )
+ {
+ style = StyleType::SHADOW;
+ }
+ else if( button == mStyleButtons[ StyleType::BACKGROUND ] )
+ {
+ style = StyleType::BACKGROUND;
+ }
+ return style;
+ }
+
+ // Style selected, show color buttons
+ bool OnStyleButtonClicked( Toolkit::Button button )
+ {
+ StyleType selectedStyle = GetStyleTypeFromButton( button );
+ if ( mStyleActivatedForColor == selectedStyle )
+ {
+ HideColorButtons();
+ }
+ else
+ {
+ ResetColorButtons( mColorButtons, NUMBER_OF_COLORS );
+ ShowColorButtons( selectedStyle);
+ }
+ return true;
+ }
+
+ // Set style to selected color
+ bool OnColorSelected( Toolkit::Button button )
+ {
+ for( unsigned int index = 0; index < NUMBER_OF_COLORS; index++)
+ {
+ if ( mColorButtons[index] == button )
+ {
+ mSelectedColor = AVAILABLE_COLORS[ index ];
+ }
+ }
+
+ switch ( mStyleActivatedForColor )
+ {
+ case TEXT_COLOR :
+ {
+ Animation animation = Animation::New( 1.f );
+ animation.AnimateTo( Property( mLabel, TextLabel::Property::TEXT_COLOR ), mSelectedColor, AlphaFunction::LINEAR );
+ mCurrentStyleColor[ TEXT_COLOR ] = mSelectedColor;
+ animation.Play();
+ break;
+ }
+ case OUTLINE :
+ {
+ Property::Map outlineMap;
+ float outlineWidth = OUTLINE_WIDTH;
+
+ if( mStyleActiveState[ OUTLINE ] )
+ {
+ outlineWidth = ( Color::WHITE == mSelectedColor ) ? 0.0f : OUTLINE_WIDTH ; // toggles outline on/off
+ }
+ mStyleActiveState[ OUTLINE ] = ( outlineWidth > 0.0f ) ? true : false;
+
+ outlineMap["color"] = mSelectedColor;
+ outlineMap["width"] = outlineWidth;
+ mCurrentStyleColor[ OUTLINE ] = mSelectedColor;
+ mLabel.SetProperty( TextLabel::Property::OUTLINE, outlineMap );
+ break;
+ }
+ case SHADOW :
+ {
+ Vector2 shadowOffset( SHADOW_OFFSET ); // Will be set to zeros if color already set
+ Property::Value value = mLabel.GetProperty( TextLabel::Property::SHADOW_COLOR );
+ Vector4 currentShadowColor;
+ value.Get( currentShadowColor );
+
+ if ( mStyleActiveState[ SHADOW ] )
+ {
+ // toggle shadow off ( zero offset ) if color is already set
+ shadowOffset = ( Color::WHITE == mSelectedColor ) ? Vector2::ZERO : Vector2( SHADOW_OFFSET );
+ }
+
+ mStyleActiveState[ SHADOW ] = ( shadowOffset == Vector2::ZERO ) ? false : true;
+ mCurrentStyleColor[ SHADOW ] = mSelectedColor;
+
+ Property::Map shadowMap;
+ shadowMap.Insert( "offset", shadowOffset );
+ shadowMap.Insert( "color", mSelectedColor );
+ mLabel.SetProperty( TextLabel::Property::SHADOW, shadowMap );
+
+ break;
+ }
+ case BACKGROUND :
+ {
+ Property::Map backgroundMap;
+ auto backgroundEnabled(true);
+
+ if( mStyleActiveState[ BACKGROUND ] )
+ {
+ backgroundEnabled = ( Color::WHITE != mSelectedColor ); // toggles background on/off
+ }
+ mStyleActiveState[ BACKGROUND ] = backgroundEnabled;
+
+ backgroundMap["color"] = mSelectedColor;
+ backgroundMap["enable"] = backgroundEnabled;
+ mCurrentStyleColor[ BACKGROUND ] = mSelectedColor;
+ mLabel.SetProperty( DevelTextLabel::Property::BACKGROUND, backgroundMap );
+
+ break;
+ }
+ default :
+ break;
+ }
+
+ return true;
+ }
+
+ // Set the inital color button that should be be selected.
+ // If the style already has a color set then that should be used
+ void SetInitialSelectedColorButton( StyleType styleButtonIndex )
+ {
+ Vector4 selectedColor = mCurrentStyleColor[ styleButtonIndex ];
+
+ for ( unsigned int i = 0; i < NUMBER_OF_COLORS; i++ )
+ {
+ if ( AVAILABLE_COLORS[i] == selectedColor )
+ {
+ if ( mColorButtons[i] )
+ {
+ mColorButtons[ i ].SetProperty( Toolkit::DevelButton::Property::SELECTED, true );
+ }
+ break;
+ }
+ }
+ }
+
+ // Create a bar of color buttons that the user can select.
+ void ShowColorButtons( StyleType styleButtonIndex )
+ {
+ mCollapseColorsAndStyles = false; // Request to show colors so reset flag
+ mStyleActivatedForColor = styleButtonIndex;
+
+ for( unsigned int index = 0; index < NUMBER_OF_COLORS; index++)
+ {
+ if( !mColorButtonsAnimation )
+ {
+ mColorButtonsAnimation = Animation::New( 0.15f );
+ mColorButtonsAnimation.FinishedSignal().Connect( this, &TextLabelExample::OnColorButtonAnimationFinished );
+ }
+
+ // Create a color button
+ if ( ! mColorButtons[index] )
+ {
+ mColorButtons[index] = RadioButton::New();
+ mColorButtons[index].SetSize( mButtonSize );
+ mColorButtons[index].ClickedSignal().Connect( this, &TextLabelExample::OnColorSelected );
+ mColorButtons[index].SetProperty( Button::Property::TOGGLABLE, true );
+ Property::Map propertyMap;
+ propertyMap.Insert(Visual::Property::TYPE, Visual::COLOR);
+ propertyMap.Insert(ColorVisual::Property::MIX_COLOR, AVAILABLE_COLORS[ index ]);
+ mColorButtons[index].SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, propertyMap );
+ mColorButtons[index].SetProperty( Toolkit::DevelButton::Property::UNSELECTED_VISUAL, propertyMap );
+ mColorButtons[index].SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER );
+ mColorButtons[index].SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER );
+
+
+ propertyMap.Insert(Visual::Property::TYPE, Visual::COLOR);
+ propertyMap.Insert(ColorVisual::Property::MIX_COLOR, AVAILABLE_COLORS[ index ]);
+ mColorButtons[index].SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, propertyMap );
+
+ mColorButtons[index].SetProperty( Toolkit::DevelButton::Property::SELECTED_VISUAL,
+ Property::Map().Add( Visual::Property::TYPE, Visual::BORDER )
+ .Add( BorderVisual::Property::COLOR, Color::WHITE )
+ .Add( BorderVisual::Property::SIZE, 4.0f )
+ .Add( BorderVisual::Property::ANTI_ALIASING, true ) );
+
+ // Use a white button with 50% transparency as a clear color button
+ if ( Color::WHITE == AVAILABLE_COLORS[ index ] && styleButtonIndex != StyleType::TEXT_COLOR )
+ {
+ mColorButtons[index].SetOpacity(0.5f);
+
+ mColorButtons[index].SetProperty( Toolkit::Button::Property::LABEL,
+ Property::Map().Add( Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT )
+ .Add( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, HorizontalAlignment::CENTER )
+ .Add( Toolkit::TextVisual::Property::TEXT, "off") );
+
+ }
+ }
+
+ SetInitialSelectedColorButton( mStyleActivatedForColor );
+
+ mColorButtons[index].Unparent();
+
+ mStyleButtons[styleButtonIndex].Add( mColorButtons[index] );
+ mColorButtons[index].Lower();
+
+ // Position button using nice animation
+ mColorButtons[index].SetY( -GAP_BETWEEN_BUTTONS );
+ float desiredPosition = -( mButtonSize.height + GAP_BETWEEN_BUTTONS ) * (index);
+ AlphaFunction focusedAlphaFunction = AlphaFunction( Vector2 ( 0.32f, 0.08f ), Vector2( 0.38f, 1.72f ) );
+ mColorButtonsAnimation.AnimateBy( Property( mColorButtons[index], Actor::Property::POSITION_Y ), desiredPosition, focusedAlphaFunction );
+ }
+
+ mColorButtonsHidden = false;
+ mColorButtonsAnimation.Play();
+ }
+
+ // Remove the color buttons when not being shown.
+ void ResetColorButtons( Button buttons[], unsigned int numberOfButtons )
+ {
+ for( unsigned int index = 0; index < numberOfButtons; index++)
+ {
+ UnparentAndReset( buttons[index] );
+ }
+ }
+
+ void OnColorButtonAnimationFinished( Animation& animation )
+ {
+ animation.Clear();
+ if ( mColorButtonsHidden )
+ {
+ ResetColorButtons( mColorButtons, NUMBER_OF_COLORS );
+ animation.Reset(); // Handle reset
+ if ( mCollapseColorsAndStyles )
+ {
+ mExpandingButtons.Collapse();
+ }
+ }
+ }
+
+ // Create the style buttons that will expand from the expanding button.
+ void CreateStyleButtons()
+ {
+ for ( unsigned int index = 0; index < NUMBER_OF_STYLES; index++ )
+ {
+ if ( ! mStyleButtons[index] )
+ {
+ mStyleButtons[index] = PushButton::New();
+ mStyleButtons[index].SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, BUTTON_IMAGES[ index ] );
+ mStyleButtons[index].SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, STYLE_SELECTED_IMAGE );
+ mStyleButtons[index].SetProperty( Dali::Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT );
+ mStyleButtons[index].SetSize( mButtonSize );
+ mStyleButtons[index].ClickedSignal().Connect( this, &TextLabelExample::OnStyleButtonClicked );
+ }
+ }
+ }
+
+ // Animate away the color bar.
+ void HideColorButtons()
+ {
+ if ( ! mColorButtonsHidden )
+ {
+ for( unsigned int index = 0; index < NUMBER_OF_COLORS; index++)
+ {
+ mColorButtonsAnimation.AnimateTo( Property( mColorButtons[index], Actor::Property::POSITION_Y ), 0.0f );
+ }
+ mColorButtonsHidden = true;
+ mColorButtonsAnimation.Play();
+ }
+ mStyleActivatedForColor = NUMBER_OF_STYLES;
+ }
+
+ // Request the expanding button to collapse.
+ void HideStyleAndColorButtons()
+ {
+ mCollapseColorsAndStyles = true;
+ if ( mColorButtonsHidden )
+ {
+ mExpandingButtons.Collapse();
+ }
+ else
+ {
+ HideColorButtons();
+ }
+ }
+
+ // Resize the text-label with pan gesture
+ void OnPan( Actor actor, const PanGesture& gesture )
+ {
+ // Reset mLayoutSize when the pan starts
+ if( gesture.state == Gesture::Started )
+ {
+ if( mLayoutSize.x < 2.0f )
+ {
+ mLayoutSize.x = 2.0f;
+ }
+
+ if( mLayoutSize.y < 2.0f )
+ {
+ mLayoutSize.y = 2.0f;
+ }
+
+ // Only show the border during the panning
+ mBorder.SetVisible(true);
+
+ HideStyleAndColorButtons();
+ }
+
+ mLayoutSize.x += gesture.displacement.x * 2.0f;
+ mLayoutSize.y += gesture.displacement.y * 2.0f;
+
+ if( mLayoutSize.x >= 2.0f ||
+ mLayoutSize.y >= 2.0f )
+ {
+ mLayoutSize.x = std::min ( mLayoutSize.x, mStageSize.width );
+ mLayoutSize.y = std::min ( mLayoutSize.y, mStageSize.height*.9f );
+
+ // Avoid pixel mis-alignment issue
+ Vector2 clampedSize = Vector2( std::max( ConvertToEven( static_cast<int>( mLayoutSize.x )), 2 ),
+ std::max( ConvertToEven( static_cast<int>( mLayoutSize.y )), 2 ) );
+
+ mContainer.SetSize( clampedSize );
+ }
+
+ if( gesture.state == Gesture::Cancelled || gesture.state == Gesture::Finished )
+ {
+ // Resize the text label to match the container size when panning is finished
+ mLabel.SetSize(mLayoutSize);
+ mBorder.SetVisible(false);
+ }
+ }
+
/**
* Main key event handler
*/
{
switch( event.keyCode )
{
+ // Select rendering back-end
case KEY_ZERO: // fall through
case KEY_ONE:
{
mLabel.SetProperty( TextLabel::Property::RENDERING_BACKEND, event.keyCode - 10 );
break;
}
- case KEY_A:
+ case KEY_A: // Animate text colour
+ {
+ Animation animation = Animation::New( 2.f );
+ animation.AnimateTo( Property( mLabel, TextLabel::Property::TEXT_COLOR ), Color::RED, AlphaFunction::SIN );
+ animation.SetLoopCount( 3 );
+ animation.Play();
+ break;
+ }
+ case KEY_F: // Fill vertically
{
- if( ++mAlignment >= ALIGNMENT_STRING_COUNT )
+ if( ResizePolicy::DIMENSION_DEPENDENCY == mLabel.GetResizePolicy(Dimension::HEIGHT) )
+ {
+ mLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
+ }
+ else
+ {
+ mLabel.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
+ }
+ break;
+ }
+ case KEY_H: // Horizontal alignment
+ {
+ if( ++mAlignment >= H_ALIGNMENT_STRING_COUNT )
{
mAlignment = 0u;
}
- mLabel.SetProperty( TextLabel::Property::ALIGNMENT, ALIGNMENT_STRING_TABLE[ mAlignment ] );
+ mLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, H_ALIGNMENT_STRING_TABLE[ mAlignment ] );
break;
}
- case KEY_M:
+ case KEY_V: // Vertical alignment
+ {
+ if( ++mAlignment >= V_ALIGNMENT_STRING_COUNT )
+ {
+ mAlignment = 0u;
+ }
+
+ mLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, V_ALIGNMENT_STRING_TABLE[ mAlignment ] );
+ break;
+ }
+ case KEY_M: // Multi-line
{
bool multiLine = mLabel.GetProperty<bool>( TextLabel::Property::MULTI_LINE );
mLabel.SetProperty( TextLabel::Property::MULTI_LINE, !multiLine );
break;
}
- case KEY_L:
+ case KEY_L: // Language
{
const Language& language = LANGUAGES[ mLanguageId ];
}
break;
}
+ case KEY_S: // Shadow color
+ {
+ if( Color::BLACK == mLabel.GetProperty<Vector4>( TextLabel::Property::SHADOW_COLOR ) )
+ {
+ mLabel.SetProperty( TextLabel::Property::SHADOW_COLOR, Color::RED );
+ }
+ else
+ {
+ mLabel.SetProperty( TextLabel::Property::SHADOW_COLOR, Color::BLACK );
+ }
+ break;
+ }
+ case KEY_U: // Markup
+ {
+ mLabel.SetProperty( TextLabel::Property::ENABLE_MARKUP, true );
+ mLabel.SetProperty( TextLabel::Property::TEXT, "<font family='DejaVuSerif' size='18'>H<color value='blue'>ello</color> <font weight='bold'>world</font> demo</font>" );
+ break;
+ }
+ case KEY_PLUS: // Increase shadow offset
+ {
+ mLabel.SetProperty( TextLabel::Property::SHADOW_OFFSET, mLabel.GetProperty<Vector2>( TextLabel::Property::SHADOW_OFFSET ) + Vector2( 1.0f, 1.0f ) );
+ break;
+ }
+ case KEY_MINUS: // Decrease shadow offset
+ {
+ mLabel.SetProperty( TextLabel::Property::SHADOW_OFFSET, mLabel.GetProperty<Vector2>( TextLabel::Property::SHADOW_OFFSET ) - Vector2( 1.0f, 1.0f ) );
+ break;
+ }
+
}
}
}
TextLabel mLabel;
+ Demo::ExpandingButtons mExpandingButtons;
+ PushButton mStyleButtons[ NUMBER_OF_STYLES ];
+ bool mStyleActiveState[ NUMBER_OF_STYLES ];
+
+ Vector4 mCurrentStyleColor[NUMBER_OF_STYLES ];
+
+ Vector4 mSelectedColor;
+
+ Button mColorButtons[ NUMBER_OF_COLORS ];
+
+ StyleType mStyleActivatedForColor; // The style that the color bar is connected to
+
+ Control mContainer;
+ Control mGrabCorner;
+ Control mBorder;
+
+ PanGestureDetector mPanGestureDetector;
+
+ Vector2 mLayoutSize;
+
+ Animation mColorButtonsAnimation;
+
+ Size mStageSize;
+ Size mButtonSize;
+
unsigned int mLanguageId;
unsigned int mAlignment;
+ Property::Index mHueAngleIndex;
+ Property::Index mOverrideMixColorIndex;
+
+ bool mColorButtonsHidden;
+ bool mCollapseColorsAndStyles;
};
-void RunTest( Application& application )
+int DALI_EXPORT_API main( int argc, char **argv )
{
+ Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
TextLabelExample test( application );
-
application.MainLoop();
-}
-
-/** Entry point for Linux & Tizen applications */
-int main( int argc, char **argv )
-{
- Application application = Application::New( &argc, &argv );
-
- RunTest( application );
-
return 0;
}
projects / platform / core / uifw / dali-demo.git / blobdiff