#include <dali/public-api/animation/constraints.h>
#include <dali/public-api/common/stage.h>
#include <dali/public-api/events/wheel-event.h>
-#include <dali/public-api/events/touch-event.h>
+#include <dali/public-api/events/touch-data.h>
#include <dali/public-api/object/type-registry.h>
#include <dali/public-api/object/type-registry-helper.h>
#include <dali/integration-api/debug.h>
#include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view-constraints.h>
#include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-overshoot-indicator-impl.h>
#include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-view-effect-impl.h>
+#include <dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h>
//#define ENABLED_SCROLL_STATE_LOGGING
const std::string INTERNAL_MAX_POSITION_PROPERTY_NAME( "internalMaxPosition" );
+// The following properties are not in the public-api yet.
+enum
+{
+ /**
+ * @brief True if scroll-bar should be automatically show/hidden during/after panning.
+ * @details name "transientScrollBar", type bool.
+ */
+ TRANSIENT_SCROLL_BAR = Toolkit::ScrollView::Property::WHEEL_SCROLL_DISTANCE_STEP + 1
+};
+
+
// Helpers ////////////////////////////////////////////////////////////////////////////////////////
/**
DALI_PROPERTY_REGISTRATION( Toolkit, ScrollView, "axisAutoLockEnabled", BOOLEAN, AXIS_AUTO_LOCK_ENABLED )
DALI_PROPERTY_REGISTRATION( Toolkit, ScrollView, "wheelScrollDistanceStep", VECTOR2, WHEEL_SCROLL_DISTANCE_STEP )
+Dali::PropertyRegistration manualProperty1( typeRegistration, "transientScrollBar", TRANSIENT_SCROLL_BAR,
+ Property::BOOLEAN, Dali::Toolkit::Internal::ScrollView::SetProperty, Dali::Toolkit::Internal::ScrollView::GetProperty );
+
DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPosition", VECTOR2, SCROLL_POSITION)
DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPrePosition", VECTOR2, SCROLL_PRE_POSITION)
DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionX", SCROLL_PRE_POSITION_X, SCROLL_PRE_POSITION, 0)
}
ScrollView::ScrollView()
-: ScrollBase( ControlBehaviour( REQUIRES_WHEEL_EVENTS ) ), // Enable size negotiation
+: ScrollBase( ControlBehaviour( REQUIRES_WHEEL_EVENTS | DISABLE_STYLE_CHANGE_SIGNALS ) ), // Enable size negotiation
mTouchDownTime(0u),
mGestureStackDepth(0),
mScrollStateFlags(0),
mAlterChild(false),
mDefaultMaxOvershoot(true),
mCanScrollHorizontal(true),
- mCanScrollVertical(true)
+ mCanScrollVertical(true),
+ mTransientScrollBar(false)
{
}
mGestureStackDepth = 0;
+ self.TouchSignal().Connect( this, &ScrollView::OnTouch );
EnableGestureDetection( Gesture::Type( Gesture::Pan ) );
// By default we'll allow the user to freely drag the scroll view,
return mWheelScrollDistanceStep;
}
+void ScrollView::SetTransientScrollBar( bool transient )
+{
+ if( transient != mTransientScrollBar )
+ {
+ mTransientScrollBar = transient;
+
+ Toolkit::ScrollBar scrollBar = mScrollBar.GetHandle();
+ if( mTransientScrollBar && scrollBar )
+ {
+ // Show the scroll-indicator for a brief period
+ scrollBar.SetVisible( true );
+ GetImpl(scrollBar).ShowTransientIndicator();
+ }
+ }
+}
+
unsigned int ScrollView::GetCurrentPage() const
{
// in case animation is currently taking place.
return -GetPropertyPosition();
}
-Vector2 ScrollView::GetDomainSize() const
-{
- Vector3 size = Self().GetCurrentSize();
-
- const RulerDomain& xDomain = GetRulerX()->GetDomain();
- const RulerDomain& yDomain = GetRulerY()->GetDomain();
-
- Vector2 domainSize;
- domainSize.x = xDomain.max - xDomain.min - size.x;
- domainSize.y = yDomain.max - yDomain.min - size.y;
- return domainSize;
-}
-
void ScrollView::TransformTo(const Vector2& position,
DirectionBias horizontalBias, DirectionBias verticalBias)
{
// Position Delta ///////////////////////////////////////////////////////
if(positionChanged)
{
+ UpdateMainInternalConstraint();
if(mWrapMode && findShortcuts)
{
// In Wrap Mode, the shortest distance is a little less intuitive...
mInternalActor.Remove( actor );
}
+void ScrollView::SetOvershootSize( const Vector2& size )
+{
+ mOvershootSize = size;
+ if( IsOvershootEnabled() && mOvershootIndicator )
+ {
+ mOvershootIndicator->AttachToScrollable(*this);
+ }
+}
+
void ScrollView::SetOvershootEffectColor( const Vector4& color )
{
mOvershootEffectColor = color;
ScrollBase::OnChildAdd( child );
Dali::Toolkit::ScrollBar scrollBar = Dali::Toolkit::ScrollBar::DownCast(child);
- if(scrollBar)
+ if( scrollBar )
{
- mInternalActor.Add(scrollBar);
- if(scrollBar.GetScrollDirection() == Toolkit::ScrollBar::Horizontal)
+ mScrollBar = scrollBar;
+ scrollBar.SetName("ScrollBar");
+
+ mInternalActor.Add( scrollBar );
+ if( scrollBar.GetScrollDirection() == Toolkit::ScrollBar::Horizontal )
+ {
+ scrollBar.SetScrollPropertySource( Self(),
+ Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_X,
+ Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_X,
+ Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_MAX_X,
+ Toolkit::ScrollView::Property::SCROLL_DOMAIN_SIZE_X );
+ }
+ else
{
- scrollBar.SetScrollPropertySource(Self(),
- Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_X,
- Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_X,
- Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_MAX_X,
- Toolkit::ScrollView::Property::SCROLL_DOMAIN_SIZE_X);
+ scrollBar.SetScrollPropertySource( Self(),
+ Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_Y,
+ Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_Y,
+ Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_MAX_Y,
+ Toolkit::ScrollView::Property::SCROLL_DOMAIN_SIZE_Y );
+ }
+
+ if( mTransientScrollBar )
+ {
+ // Show the scroll-indicator for a brief period
+ GetImpl(scrollBar).ShowTransientIndicator();
}
else
{
- scrollBar.SetScrollPropertySource(Self(),
- Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_Y,
- Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_Y,
- Toolkit::ScrollView::Property::SCROLL_PRE_POSITION_MAX_Y,
- Toolkit::ScrollView::Property::SCROLL_DOMAIN_SIZE_Y);
+ scrollBar.SetVisible( false );
+ scrollBar.HideIndicator();
}
}
else if(mAlterChild)
return false;
}
-bool ScrollView::OnTouchEvent(const TouchEvent& event)
+bool ScrollView::OnTouch( Actor actor, const TouchData& touch )
{
if(!mSensitive)
{
}
// Ignore events with multiple-touch points
- if (event.GetPointCount() != 1)
+ if (touch.GetPointCount() != 1)
{
DALI_LOG_SCROLL_STATE("[0x%X], multiple touch, ignoring", this);
return false;
}
- const TouchPoint::State pointState = event.GetPoint(0).state;
- if( pointState == TouchPoint::Down )
+ const PointState::Type pointState = touch.GetState( 0 );
+ if( pointState == PointState::DOWN )
{
DALI_LOG_SCROLL_STATE("[0x%X] Down", this);
if(mGestureStackDepth==0)
{
- mTouchDownTime = event.time;
+ mTouchDownTime = touch.GetTime();
// This allows time for a pan-gesture to start, to avoid breaking snap-animation behavior with fast flicks.
// If touch-down does not become a pan (after timeout interval), then snap-animation can be interrupted.
StartTouchDownTimer();
}
}
- else if( ( pointState == TouchPoint::Up ) ||
- ( ( pointState == TouchPoint::Interrupted ) && ( event.GetPoint(0).hitActor == Self() ) ) )
+ else if( ( pointState == PointState::UP ) ||
+ ( ( pointState == PointState::INTERRUPTED ) && ( touch.GetHitActor( 0 )== Self() ) ) )
{
DALI_LOG_SCROLL_STATE("[0x%X] %s", this, ( ( pointState == TouchPoint::Up ) ? "Up" : "Interrupted" ) );
// otherwise our scroll could be stopped (interrupted) half way through an animation.
if(mGestureStackDepth==0 && mTouchDownTimeoutReached)
{
- if( ( event.GetPoint(0).state == TouchPoint::Interrupted ) ||
- ( ( event.time - mTouchDownTime ) >= MINIMUM_TIME_BETWEEN_DOWN_AND_UP_FOR_RESET ) )
+ if( ( pointState == PointState::INTERRUPTED ) ||
+ ( ( touch.GetTime() - mTouchDownTime ) >= MINIMUM_TIME_BETWEEN_DOWN_AND_UP_FOR_RESET ) )
{
// Reset the velocity only if down was received a while ago
mLastVelocity = Vector2( 0.0f, 0.0f );
self.SetProperty( Toolkit::ScrollView::Property::START_PAGE_POSITION, Vector3(gesture.position.x, gesture.position.y, 0.0f) );
UpdateMainInternalConstraint();
+ Toolkit::ScrollBar scrollBar = mScrollBar.GetHandle();
+ if( scrollBar && mTransientScrollBar )
+ {
+ Vector3 size = Self().GetCurrentSize();
+ const Toolkit::RulerDomain& rulerDomainX = mRulerX->GetDomain();
+ const Toolkit::RulerDomain& rulerDomainY = mRulerY->GetDomain();
+
+ if( ( rulerDomainX.max > size.width ) || ( rulerDomainY.max > size.height ) )
+ {
+ scrollBar.SetVisible( true );
+ scrollBar.ShowIndicator();
+ }
+ }
break;
}
{
mScrollMainInternalPrePositionConstraint.Remove();
}
+
+ Toolkit::ScrollBar scrollBar = mScrollBar.GetHandle();
+ if( scrollBar && mTransientScrollBar )
+ {
+ scrollBar.HideIndicator();
+ }
}
else
{
scrollViewImpl.SetWheelScrollDistanceStep( value.Get<Vector2>() );
break;
}
+ case TRANSIENT_SCROLL_BAR:
+ {
+ scrollViewImpl.SetTransientScrollBar( value.Get<bool>() );
+ break;
+ }
}
}
}
value = scrollViewImpl.GetWheelScrollDistanceStep();
break;
}
+ case TRANSIENT_SCROLL_BAR:
+ {
+ value = scrollViewImpl.mTransientScrollBar;
+ break;
+ }
}
}