/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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-toolkit/dali-toolkit.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/devel-api/actors/actor-devel.h>
+#include <dali/devel-api/object/handle-devel.h>
#include <iostream>
// INTERNAL INCLUDES
+#include "expanding-buttons.h"
#include "shared/multi-language-strings.h"
#include "shared/view.h"
namespace
{
- const char* const BACKGROUND_IMAGE = DEMO_IMAGE_DIR "grab-handle.png";
-
- const unsigned int KEY_ZERO = 10;
- const unsigned int KEY_ONE = 11;
- const unsigned int KEY_F = 41;
- const unsigned int KEY_H = 43;
- 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[] =
+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* 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"
- };
+ "END"};
- const unsigned int H_ALIGNMENT_STRING_COUNT = sizeof( H_ALIGNMENT_STRING_TABLE ) / sizeof( H_ALIGNMENT_STRING_TABLE[0u] );
+const unsigned int H_ALIGNMENT_STRING_COUNT = sizeof(H_ALIGNMENT_STRING_TABLE) / sizeof(H_ALIGNMENT_STRING_TABLE[0u]);
- const char* V_ALIGNMENT_STRING_TABLE[] =
+const char* V_ALIGNMENT_STRING_TABLE[] =
{
"TOP",
"CENTER",
- "BOTTOM"
- };
+ "BOTTOM"};
+
+const unsigned int V_ALIGNMENT_STRING_COUNT = sizeof(V_ALIGNMENT_STRING_TABLE) / sizeof(V_ALIGNMENT_STRING_TABLE[0u]);
- 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
+};
- int ConvertToEven(int value)
+const Vector4 AVAILABLE_COLORS[] =
{
- return (value % 2 == 0) ? value : (value + 1);
- }
+ 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_WINDOW = 0.9f;
+const float BUTTON_SIZE_RATIO_TO_WINDOW = 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.
*/
class TextLabelExample : public ConnectionTracker
{
public:
-
- TextLabelExample( Application& application )
- : mApplication( application ),
- mLanguageId( 0u ),
- mAlignment( 0u )
+ TextLabelExample(Application& application)
+ : mApplication(application),
+ mLabel(),
+ mSelectedColor(AVAILABLE_COLORS[0]),
+ mStyleActivatedForColor(NUMBER_OF_STYLES),
+ mContainer(),
+ mGrabCorner(),
+ mBorder(),
+ mPanGestureDetector(),
+ mLayoutSize(),
+ mLanguageId(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 );
+ 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.SetProperty(Actor::Property::POSITION, Vector2(mButtonSize.width, mWindowSize.height * STYLE_BUTTON_POSTION_RELATIVE_TO_WINDOW));
+ mExpandingButtons.CollapsingSignal().Connect(this, &TextLabelExample::OnExpandingButtonCollapsing);
+ mExpandingButtons.SetProperty(Actor::Property::SIZE, 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.
*/
- void Create( Application& application )
+ void Create(Application& application)
{
- Stage stage = Stage::GetCurrent();
+ Window window = application.GetWindow();
- stage.KeyEventSignal().Connect(this, &TextLabelExample::OnKeyEvent);
- Vector2 stageSize = stage.GetSize();
+ window.KeyEventSignal().Connect(this, &TextLabelExample::OnKeyEvent);
+ mWindowSize = window.GetSize();
+ mButtonSize = Size(mWindowSize.height * 0.1, mWindowSize.height * 0.1); // Button size 1/10 of window height
mContainer = Control::New();
- mContainer.SetName( "Container" );
- mContainer.SetParentOrigin( ParentOrigin::CENTER );
- mLayoutSize = Vector2(stageSize.width*0.6f, stageSize.width*0.6f);
- mContainer.SetSize( mLayoutSize );
- mContainer.SetDrawMode( DrawMode::OVERLAY_2D );
- stage.Add( mContainer );
+ mContainer.SetProperty(Dali::Actor::Property::NAME, "Container");
+ mContainer.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ mLayoutSize = Vector2(mWindowSize.width * 0.6f, mWindowSize.width * 0.6f);
+ mContainer.SetProperty(Actor::Property::SIZE, mLayoutSize);
+ window.Add(mContainer);
// Resize the center layout when the corner is grabbed
- mGrabCorner = Control::New();
- mGrabCorner.SetName( "GrabCorner" );
- mGrabCorner.SetAnchorPoint( AnchorPoint::TOP_CENTER );
- mGrabCorner.SetParentOrigin( ParentOrigin::BOTTOM_RIGHT );
- mGrabCorner.SetBackgroundImage( ResourceImage::New( BACKGROUND_IMAGE ) );
- mGrabCorner.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
- mContainer.Add( mGrabCorner );
+ mGrabCorner = ImageView::New(BACKGROUND_IMAGE);
+ mGrabCorner.SetProperty(Dali::Actor::Property::NAME, "GrabCorner");
+ mGrabCorner.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
+ mGrabCorner.SetProperty(Actor::Property::PARENT_ORIGIN, 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( "A Quick Brown Fox Jumps Over The Lazy Dog" );
- mLabel.SetName( "TextLabel" );
- mLabel.SetAnchorPoint( AnchorPoint::TOP_LEFT );
- mLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
- mLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
- mLabel.SetProperty( TextLabel::Property::MULTI_LINE, true );
- mLabel.SetProperty( TextLabel::Property::TEXT_COLOR, Color::BLUE );
- mLabel.SetProperty( TextLabel::Property::SHADOW_OFFSET, Vector2( 1.0f, 1.0f ) );
- mLabel.SetProperty( TextLabel::Property::SHADOW_COLOR, Color::BLACK );
- mLabel.SetBackgroundColor( Color::WHITE );
- mContainer.Add( mLabel );
-
- Property::Value labelText = mLabel.GetProperty( TextLabel::Property::TEXT );
- std::cout << "Displaying text: \"" << labelText.Get< std::string >() << "\"" << std::endl;
+ 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.SetProperty(Dali::Actor::Property::NAME, "TextLabel");
+ mLabel.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ mLabel.SetProperty(Actor::Property::SIZE, mLayoutSize);
+ mLabel.SetProperty(TextLabel::Property::MULTI_LINE, true);
+ 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, mWindowSize.height * STYLE_BUTTON_POSTION_RELATIVE_TO_WINDOW);
+ SetUpExpandingStyleButtons(expandingButtonPosition);
+ window.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.SetProperty(Actor::Property::ANCHOR_POINT, 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.SetProperty(Actor::Property::VISIBLE, false);
+ mGrabCorner.RaiseToTop();
+
+ mHueAngleIndex = mLabel.RegisterProperty("hue", 0.0f);
+ Renderer bgRenderer = mLabel.GetRendererAt(0);
+ mOverrideMixColorIndex = bgRenderer.GetPropertyIndex(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);
+ 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::Button::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].SetProperty(Actor::Property::SIZE, 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::Button::Property::UNSELECTED_BACKGROUND_VISUAL, propertyMap);
+ mColorButtons[index].SetProperty(Toolkit::Button::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::Button::Property::SELECTED_BACKGROUND_VISUAL, propertyMap);
+
+ mColorButtons[index].SetProperty(Toolkit::Button::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].SetProperty(Actor::Property::OPACITY, 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].SetProperty(Actor::Property::POSITION_Y, -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::Button::Property::UNSELECTED_BACKGROUND_VISUAL, BUTTON_IMAGES[index]);
+ mStyleButtons[index].SetProperty(Toolkit::Button::Property::SELECTED_BACKGROUND_VISUAL, STYLE_SELECTED_IMAGE);
+ mStyleButtons[index].SetProperty(Dali::Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ mStyleButtons[index].SetProperty(Actor::Property::SIZE, 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 )
+ void OnPan(Actor actor, const PanGesture& gesture)
{
// Reset mLayoutSize when the pan starts
- if( gesture.state == Gesture::Started )
+ GestureState state = gesture.GetState();
+ if(state == GestureState::STARTED)
{
- if( mLayoutSize.x < 2.0f )
+ if(mLayoutSize.x < 2.0f)
{
mLayoutSize.x = 2.0f;
}
- if( mLayoutSize.y < 2.0f )
+ if(mLayoutSize.y < 2.0f)
{
mLayoutSize.y = 2.0f;
}
+
+ // Only show the border during the panning
+ mBorder.SetProperty(Actor::Property::VISIBLE, true);
+
+ HideStyleAndColorButtons();
}
- mLayoutSize.x += gesture.displacement.x * 2.0f;
- mLayoutSize.y += gesture.displacement.y * 2.0f;
+ const Vector2& displacement = gesture.GetDisplacement();
+ mLayoutSize.x += displacement.x * 2.0f;
+ mLayoutSize.y += displacement.y * 2.0f;
- if( mLayoutSize.x >= 2.0f ||
- mLayoutSize.y >= 2.0f )
+ if(mLayoutSize.x >= 2.0f ||
+ mLayoutSize.y >= 2.0f)
{
+ mLayoutSize.x = std::min(mLayoutSize.x, mWindowSize.width);
+ mLayoutSize.y = std::min(mLayoutSize.y, mWindowSize.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 ) );
+ Vector2 clampedSize = Vector2(std::max(ConvertToEven(static_cast<int>(mLayoutSize.x)), 2),
+ std::max(ConvertToEven(static_cast<int>(mLayoutSize.y)), 2));
- mContainer.SetSize( clampedSize );
+ mContainer.SetProperty(Actor::Property::SIZE, clampedSize);
+ }
+
+ if(state == GestureState::CANCELLED || state == GestureState::FINISHED)
+ {
+ // Resize the text label to match the container size when panning is finished
+ mLabel.SetProperty(Actor::Property::SIZE, mLayoutSize);
+ mBorder.SetProperty(Actor::Property::VISIBLE, false);
}
}
*/
void OnKeyEvent(const KeyEvent& event)
{
- if(event.state == KeyEvent::Down)
+ if(event.GetState() == KeyEvent::DOWN)
{
- if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
+ if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
{
mApplication.Quit();
}
- else if( event.IsCtrlModifier() )
+ else if(event.IsCtrlModifier())
{
- switch( event.keyCode )
+ switch(event.GetKeyCode())
{
// Select rendering back-end
case KEY_ZERO: // fall through
case KEY_ONE:
{
- mLabel.SetProperty( TextLabel::Property::RENDERING_BACKEND, event.keyCode - 10 );
+ mLabel.SetProperty(DevelTextLabel::Property::RENDERING_BACKEND, event.GetKeyCode() - 10);
+ break;
+ }
+ 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( ResizePolicy::DIMENSION_DEPENDENCY == mLabel.GetResizePolicy(Dimension::HEIGHT) )
+ if(ResizePolicy::DIMENSION_DEPENDENCY == mLabel.GetResizePolicy(Dimension::HEIGHT))
{
- mLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
+ mLabel.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
}
else
{
- mLabel.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
+ mLabel.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT);
}
break;
}
case KEY_H: // Horizontal alignment
{
- if( ++mAlignment >= H_ALIGNMENT_STRING_COUNT )
+ if(++mAlignment >= H_ALIGNMENT_STRING_COUNT)
{
mAlignment = 0u;
}
- mLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, H_ALIGNMENT_STRING_TABLE[ mAlignment ] );
+ mLabel.SetProperty(TextLabel::Property::HORIZONTAL_ALIGNMENT, H_ALIGNMENT_STRING_TABLE[mAlignment]);
break;
}
case KEY_V: // Vertical alignment
{
- if( ++mAlignment >= V_ALIGNMENT_STRING_COUNT )
+ if(++mAlignment >= V_ALIGNMENT_STRING_COUNT)
{
mAlignment = 0u;
}
- mLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, V_ALIGNMENT_STRING_TABLE[ mAlignment ] );
+ 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 );
+ bool multiLine = mLabel.GetProperty<bool>(TextLabel::Property::MULTI_LINE);
+ mLabel.SetProperty(TextLabel::Property::MULTI_LINE, !multiLine);
break;
}
case KEY_L: // Language
{
- const Language& language = LANGUAGES[ mLanguageId ];
+ const Language& language = LANGUAGES[mLanguageId];
- mLabel.SetProperty( TextLabel::Property::TEXT, language.text );
+ mLabel.SetProperty(TextLabel::Property::TEXT, language.text);
- if( ++mLanguageId >= NUMBER_OF_LANGUAGES )
+ if(++mLanguageId >= NUMBER_OF_LANGUAGES)
{
mLanguageId = 0u;
}
}
case KEY_S: // Shadow color
{
- if( Color::BLACK == mLabel.GetProperty<Vector4>( TextLabel::Property::SHADOW_COLOR ) )
+ Property::Value value = mLabel.GetProperty(TextLabel::Property::SHADOW);
+ Vector4 shadowColor;
+ value.Get(shadowColor);
+ Property::Map shadowMap;
+ if(Color::BLACK == shadowColor)
{
- mLabel.SetProperty( TextLabel::Property::SHADOW_COLOR, Color::RED );
+ shadowMap.Insert("color", Color::RED);
+ mLabel.SetProperty(TextLabel::Property::SHADOW, shadowMap);
}
else
{
- mLabel.SetProperty( TextLabel::Property::SHADOW_COLOR, Color::BLACK );
+ shadowMap.Insert("color", Color::BLACK);
+ mLabel.SetProperty(TextLabel::Property::SHADOW, shadowMap);
}
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 ) );
+ Property::Value value = mLabel.GetProperty(TextLabel::Property::SHADOW);
+ Vector2 shadowOffset;
+ value.Get(shadowOffset);
+ shadowOffset += Vector2(1.0f, 1.0f);
+
+ Property::Map shadowMap;
+ shadowMap.Insert("offset", shadowOffset);
+ mLabel.SetProperty(TextLabel::Property::SHADOW, shadowMap);
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 ) );
+ Property::Value value = mLabel.GetProperty(TextLabel::Property::SHADOW);
+ Vector2 shadowOffset;
+ value.Get(shadowOffset);
+ shadowOffset -= Vector2(1.0f, 1.0f);
+
+ Property::Map shadowMap;
+ shadowMap.Insert("offset", shadowOffset);
+ mLabel.SetProperty(TextLabel::Property::SHADOW, shadowMap);
break;
}
-
}
}
}
}
private:
-
Application& mApplication;
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;
- unsigned int mLanguageId;
- unsigned int mAlignment;
-};
+ Animation mColorButtonsAnimation;
-void RunTest( Application& application )
-{
- TextLabelExample test( application );
+ Size mWindowSize;
+ Size mButtonSize;
- application.MainLoop();
-}
+ unsigned int mLanguageId;
+ unsigned int mAlignment;
+ Property::Index mHueAngleIndex;
+ Property::Index mOverrideMixColorIndex;
-/** Entry point for Linux & Tizen applications */
-int main( int argc, char **argv )
-{
- Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
-
- RunTest( application );
+ bool mColorButtonsHidden;
+ bool mCollapseColorsAndStyles;
+};
+int DALI_EXPORT_API main(int argc, char** argv)
+{
+ Application application = Application::New(&argc, &argv, DEMO_THEME_PATH);
+ TextLabelExample test(application);
+ application.MainLoop();
return 0;
}