-/* Copyright (c) 2019 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.
using System;
using Tizen.NUI.BaseComponents;
using System.Collections.Generic;
+using System.ComponentModel;
namespace Tizen.NUI
{
/// <summary>
/// [Draft] This class implements a linear box layout, automatically handling right to left or left to right direction change.
/// </summary>
- public class LinearLayout : LayoutGroup
+ public class LinearLayout : LayoutGroup, IDisposable
{
+ private bool disposed = false;
+
/// <summary>
/// [Draft] Enumeration for the direction in which the content is laid out
/// </summary>
/// <summary>
/// At the left/right edge of the container (maps to LTR/RTL direction for horizontal orientation)
/// </summary>
- Begin = 0x1,
+ Begin = 0x1,
/// <summary>
/// At the right/left edge of the container (maps to LTR/RTL direction for horizontal orientation)
/// </summary>
- End = 0x2,
+ End = 0x2,
/// <summary>
/// At the horizontal center of the container
/// </summary>
- CenterHorizontal = 0x4,
+ CenterHorizontal = 0x4,
/// <summary>
/// At the top edge of the container
/// </summary>
- Top = 0x8,
+ Top = 0x8,
/// <summary>
/// At the bottom edge of the container
/// </summary>
- Bottom = 0x10,
+ Bottom = 0x10,
/// <summary>
/// At the vertical center of the container
/// </summary>
- CenterVertical = 0x20,
+ CenterVertical = 0x20,
/// <summary>
/// At the vertical and horizontal center of the container
/// </summary>
- Center = 0x40
+ Center = 0x40
}
struct HeightAndWidthState
public MeasuredSize.StateType widthState;
public MeasuredSize.StateType heightState;
- public HeightAndWidthState( MeasuredSize.StateType width, MeasuredSize.StateType height)
+ public HeightAndWidthState(MeasuredSize.StateType width, MeasuredSize.StateType height)
{
widthState = width;
heightState = height;
{
get
{
- return _linearOrientation;
+ return linearOrientation;
}
set
{
- _linearOrientation = value;
+ linearOrientation = value;
RequestLayout();
}
}
{
get
{
- return _cellPadding;
+ return cellPadding;
}
set
{
- _cellPadding = value;
+ cellPadding = value;
RequestLayout();
}
}
/// [Draft] Get/Set the alignment in the layout
/// </summary>
/// <since_tizen> 6 </since_tizen>
- public LinearLayout.Alignment LinearAlignment{ get; set; } = Alignment.Top;
+ public LinearLayout.Alignment LinearAlignment { get; set; } = Alignment.Top;
- private float _totalLength = 0.0f;
- private Size2D _cellPadding = new Size2D(0,0);
- private Orientation _linearOrientation = Orientation.Horizontal;
+ private float totalLength = 0.0f;
+ private Size2D cellPadding = new Size2D(0, 0);
+ private Orientation linearOrientation = Orientation.Horizontal;
/// <summary>
/// [Draft] Constructor
{
}
+ /// <summary>
+ /// destructor. This is HiddenAPI. recommended not to use in public.
+ /// </summary>
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ ~LinearLayout()
+ {
+ Dispose();
+ }
+
/// <summary>
/// Measure the layout and its content to determine the measured width and the measured height.
/// </summary>
/// <since_tizen> 6 </since_tizen>
protected override void OnMeasure(MeasureSpecification widthMeasureSpec, MeasureSpecification heightMeasureSpec)
{
- if (_linearOrientation == Orientation.Horizontal)
+ if (linearOrientation == Orientation.Horizontal)
{
MeasureHorizontal(widthMeasureSpec, heightMeasureSpec);
}
/// <since_tizen> 6 </since_tizen>
protected override void OnLayout(bool changed, LayoutLength left, LayoutLength top, LayoutLength right, LayoutLength bottom)
{
- if (_linearOrientation == Orientation.Horizontal)
+ if (linearOrientation == Orientation.Horizontal)
{
LayoutHorizontal(left, top, right, bottom);
}
}
- private void MeasureWeightedChild( LayoutItem childLayout, float remainingExcess, float remainingWeight, float childWeight,
+ private void MeasureWeightedChild(LayoutItem childLayout, float remainingExcess, float remainingWeight, float childWeight,
MeasureSpecification widthMeasureSpec, MeasureSpecification heightMeasureSpec,
- HeightAndWidthState childState, Orientation orientation )
+ HeightAndWidthState childState, Orientation orientation)
{
bool horizontal = false;
if (orientation == Orientation.Horizontal)
horizontal = true;
}
- float childsShare = ( childWeight * remainingExcess ) / remainingWeight;
+ float childsShare = (childWeight * remainingExcess) / remainingWeight;
remainingExcess -= childsShare;
remainingWeight -= childWeight;
// Always lay out weighted elements with intrinsic size regardless of the parent spec.
// for consistency between specs.
- if( ( horizontal && ( desiredWidth == 0 )) || ( !horizontal && ( desiredHeight == 0 )) )
+ if ((horizontal && (desiredWidth == 0)) || (!horizontal && (desiredHeight == 0)))
{
// This child needs to be laid out from scratch using
// only its share of excess space.
if (horizontal)
{
- childWidthMeasureSpec = new MeasureSpecification( new LayoutLength(childLength), MeasureSpecification.ModeType.Exactly );
- childHeightMeasureSpec = GetChildMeasureSpecification(
+ childWidthMeasureSpec = new MeasureSpecification(new LayoutLength(childLength), MeasureSpecification.ModeType.Exactly);
+ childHeightMeasureSpec = GetChildMeasureSpecification(
new MeasureSpecification(
new LayoutLength(heightMeasureSpec.Size - (childLayout.Owner.Margin.Top + childLayout.Owner.Margin.Bottom)),
heightMeasureSpec.Mode),
new LayoutLength(Padding.Start + Padding.End),
new LayoutLength(desiredWidth));
- childHeightMeasureSpec = new MeasureSpecification( new LayoutLength(childLength), MeasureSpecification.ModeType.Exactly);
+ childHeightMeasureSpec = new MeasureSpecification(new LayoutLength(childLength), MeasureSpecification.ModeType.Exactly);
}
- childLayout.Measure( childWidthMeasureSpec, childHeightMeasureSpec );
+ childLayout.Measure(childWidthMeasureSpec, childHeightMeasureSpec);
// Child may now not fit in horizontal dimension.
- if( childLayout.MeasuredWidth.State == MeasuredSize.StateType.MeasuredSizeTooSmall)
+ if (childLayout.MeasuredWidth.State == MeasuredSize.StateType.MeasuredSizeTooSmall)
{
childState.widthState = MeasuredSize.StateType.MeasuredSizeTooSmall;
}
// Child may now not fit in vertical dimension.
- if( childLayout.MeasuredHeight.State == MeasuredSize.StateType.MeasuredSizeTooSmall)
+ if (childLayout.MeasuredHeight.State == MeasuredSize.StateType.MeasuredSizeTooSmall)
{
childState.heightState = MeasuredSize.StateType.MeasuredSizeTooSmall;
}
{
var widthMode = widthMeasureSpec.Mode;
var heightMode = heightMeasureSpec.Mode;
- bool isExactly = ( widthMode == MeasureSpecification.ModeType.Exactly );
+ bool isExactly = (widthMode == MeasureSpecification.ModeType.Exactly);
bool matchHeight = false;
bool allFillParent = true;
float maxHeight = 0.0f;
float totalWeight = 0.0f;
// Reset measure variables
- _totalLength = 0.0f;
+ totalLength = 0.0f;
float usedExcessSpace = 0.0f;
HeightAndWidthState childState = new HeightAndWidthState(MeasuredSize.StateType.MeasuredSizeOK,
MeasuredSize.StateType.MeasuredSizeOK);
Extents childMargin = childLayout.Margin;
totalWeight += childWeight;
- bool useExcessSpace = (childLayout.Owner.WidthSpecification == 0 ) && (childWeight > 0);
- if( isExactly && useExcessSpace )
+ bool useExcessSpace = (childLayout.Owner.WidthSpecification == 0) && (childWeight > 0);
+ if (isExactly && useExcessSpace)
{
// Children to be laid out with excess space can be measured later
- _totalLength = Math.Max( _totalLength, (_totalLength + childMargin.Start + childMargin.End) );
+ totalLength = Math.Max(totalLength, (totalLength + childMargin.Start + childMargin.End));
}
else
{
new LayoutLength(Padding.Top + Padding.Bottom),
new LayoutLength(childDesiredHeight));
- childLayout.Measure( childWidthMeasureSpec, childHeightMeasureSpec);
+ childLayout.Measure(childWidthMeasureSpec, childHeightMeasureSpec);
usedExcessSpace += childLayout.MeasuredWidth.Size.AsDecimal();
}
else
if (isExactly)
{
- _totalLength += length.AsDecimal();
+ totalLength += length.AsDecimal();
}
else
{
- _totalLength = Math.Max(_totalLength, _totalLength + length.AsDecimal() + (i < LayoutChildren.Count - 1 ? CellPadding.Width : 0));
+ totalLength = Math.Max(totalLength, totalLength + length.AsDecimal() + (i < LayoutChildren.Count - 1 ? CellPadding.Width : 0));
}
}
childState.heightState = MeasuredSize.StateType.MeasuredSizeTooSmall;
}
- maxHeight = Math.Max( maxHeight, childHeight);
- allFillParent = ( allFillParent && childDesiredHeight == LayoutParamPolicies.MatchParent);
+ maxHeight = Math.Max(maxHeight, childHeight);
+ allFillParent = (allFillParent && childDesiredHeight == LayoutParamPolicies.MatchParent);
if (childWeight > 0)
{
- // Heights of weighted Views are invalid if we end up remeasuring, so store them separately.
- weightedMaxHeight = Math.Max( weightedMaxHeight, matchHeightLocally ? marginHeight : childHeight);
+ // Heights of weighted Views are invalid if we end up remeasuring, so store them separately.
+ weightedMaxHeight = Math.Max(weightedMaxHeight, matchHeightLocally ? marginHeight : childHeight);
}
else
{
- alternativeMaxHeight = Math.Max( alternativeMaxHeight, matchHeightLocally ? marginHeight : childHeight );
+ alternativeMaxHeight = Math.Max(alternativeMaxHeight, matchHeightLocally ? marginHeight : childHeight);
}
} // foreach
- float widthSize = _totalLength;
- widthSize = Math.Max( widthSize, SuggestedMinimumWidth.AsDecimal());
- MeasuredSize widthSizeAndState = ResolveSizeAndState( new LayoutLength(widthSize + Padding.Start + Padding.End), widthMeasureSpec, MeasuredSize.StateType.MeasuredSizeOK);
+ float widthSize = totalLength;
+ widthSize = Math.Max(widthSize, SuggestedMinimumWidth.AsDecimal());
+ MeasuredSize widthSizeAndState = ResolveSizeAndState(new LayoutLength(widthSize + Padding.Start + Padding.End), widthMeasureSpec, MeasuredSize.StateType.MeasuredSizeOK);
widthSize = widthSizeAndState.Size.AsDecimal();
// 2nd phase:
// Expand children with weight to take up available space
// We cycle through weighted children now (children with weight > 0).
// The children are measured with exact size equal to their share of the available space based on their weights.
- // _totalLength is updated to include weighted children measured sizes.
- float remainingExcess = widthSize - _totalLength + usedExcessSpace - (Padding.Start + Padding.End);
- if( remainingExcess != 0 && totalWeight > 0 )
+ // totalLength is updated to include weighted children measured sizes.
+ float remainingExcess = widthSize - totalLength + usedExcessSpace - (Padding.Start + Padding.End);
+ if (remainingExcess != 0 && totalWeight > 0)
{
float remainingWeight = totalWeight;
maxHeight = 0;
- _totalLength = 0;
+ totalLength = 0;
int numberOfChildren = LayoutChildren.Count;
- for( int i = 0; i < numberOfChildren; ++i )
+ for (int i = 0; i < numberOfChildren; ++i)
{
LayoutItem childLayout = LayoutChildren[i];
float childWeight = childLayout.Owner.Weight;
Extents childMargin = childLayout.Margin;
- if( childWeight > 0 )
+ if (childWeight > 0)
{
MeasureWeightedChild(childLayout, remainingExcess, remainingWeight, childWeight,
widthMeasureSpec, heightMeasureSpec, childState,
- Orientation.Horizontal );
+ Orientation.Horizontal);
}
float length = childLayout.MeasuredWidth.Size.AsDecimal() + childMargin.Start + childMargin.End;
float cellPadding = i < numberOfChildren - 1 ? CellPadding.Width : 0;
- if( isExactly )
+ if (isExactly)
{
- _totalLength += length;
+ totalLength += length;
}
else
{
- float totalLength = _totalLength;
- _totalLength = Math.Max( _totalLength, _totalLength + length + cellPadding );
+ float totalLength = this.totalLength;
+ totalLength = Math.Max(totalLength, totalLength + length + cellPadding);
}
bool matchHeightLocally = (heightMode != MeasureSpecification.ModeType.Exactly) && (desiredChildHeight == LayoutParamPolicies.MatchParent);
float marginHeight = childMargin.Top + childMargin.Bottom;
float childHeight = childLayout.MeasuredHeight.Size.AsDecimal() + marginHeight;
- maxHeight = Math.Max( maxHeight, childHeight );
- alternativeMaxHeight = Math.Max( alternativeMaxHeight, matchHeightLocally ? marginHeight : childHeight );
+ maxHeight = Math.Max(maxHeight, childHeight);
+ alternativeMaxHeight = Math.Max(alternativeMaxHeight, matchHeightLocally ? marginHeight : childHeight);
allFillParent = (allFillParent && desiredChildHeight == LayoutParamPolicies.MatchParent);
} // for loop
}
else
{
// No excess space or no weighted children
- alternativeMaxHeight = Math.Max( alternativeMaxHeight, weightedMaxHeight );
+ alternativeMaxHeight = Math.Max(alternativeMaxHeight, weightedMaxHeight);
}
if (!allFillParent && heightMode != MeasureSpecification.ModeType.Exactly)
// Padding should be concerned when specification is Wrapcontent.
- maxHeight += (Owner.HeightSpecification == LayoutParamPolicies.WrapContent)?(Padding.Top + Padding.Bottom):0;
- maxHeight = Math.Max( maxHeight, SuggestedMinimumHeight.AsRoundedValue() );
+ maxHeight += (Owner.HeightSpecification == LayoutParamPolicies.WrapContent) ? (Padding.Top + Padding.Bottom) : 0;
+ maxHeight = Math.Max(maxHeight, SuggestedMinimumHeight.AsRoundedValue());
widthSizeAndState.State = childState.widthState;
SetMeasuredDimensions(widthSizeAndState,
- ResolveSizeAndState( new LayoutLength(maxHeight + Padding.Top + Padding.Bottom), heightMeasureSpec, childState.heightState ));
+ ResolveSizeAndState(new LayoutLength(maxHeight + Padding.Top + Padding.Bottom), heightMeasureSpec, childState.heightState));
if (matchHeight)
{
}
} // MeasureHorizontal
- private void MeasureVertical( MeasureSpecification widthMeasureSpec, MeasureSpecification heightMeasureSpec )
+ private void MeasureVertical(MeasureSpecification widthMeasureSpec, MeasureSpecification heightMeasureSpec)
{
var widthMode = widthMeasureSpec.Mode;
var heightMode = heightMeasureSpec.Mode;
- bool isExactly = ( heightMode == MeasureSpecification.ModeType.Exactly);
+ bool isExactly = (heightMode == MeasureSpecification.ModeType.Exactly);
bool matchWidth = false;
bool allFillParent = true;
float maxWidth = 0.0f;
float totalWeight = 0.0f;
// Reset total length
- _totalLength = 0.0f;
- float usedExcessSpace =0.0f;
+ totalLength = 0.0f;
+ float usedExcessSpace = 0.0f;
HeightAndWidthState childState = new HeightAndWidthState(MeasuredSize.StateType.MeasuredSizeOK,
MeasuredSize.StateType.MeasuredSizeOK);
totalWeight += childWeight;
bool useExcessSpace = (childLayout.Owner.HeightSpecification == 0) && (childWeight > 0);
- if( isExactly && useExcessSpace )
+ if (isExactly && useExcessSpace)
{
- _totalLength = Math.Max( _totalLength, (_totalLength + childMargin.Top + childMargin.Bottom) );
+ totalLength = Math.Max(totalLength, (totalLength + childMargin.Top + childMargin.Bottom));
}
else
{
- if( useExcessSpace )
+ if (useExcessSpace)
{
// The heightMode is either Unspecified or AtMost, and
// this child is only laid out using excess space. Measure
if (isExactly)
{
- _totalLength += length.AsDecimal();
+ totalLength += length.AsDecimal();
}
else
{
- _totalLength = Math.Max(_totalLength, _totalLength + length.AsDecimal() + (i < LayoutChildren.Count - 1 ? CellPadding.Height : 0));
+ totalLength = Math.Max(totalLength, totalLength + length.AsDecimal() + (i < LayoutChildren.Count - 1 ? CellPadding.Height : 0));
}
}
bool matchWidthLocally = false;
- if( widthMode != MeasureSpecification.ModeType.Exactly && childDesiredWidth == LayoutParamPolicies.MatchParent)
+ if (widthMode != MeasureSpecification.ModeType.Exactly && childDesiredWidth == LayoutParamPolicies.MatchParent)
{
// Will have to re-measure at least this child when we know exact height.
matchWidth = true;
childState.heightState = MeasuredSize.StateType.MeasuredSizeTooSmall;
}
- maxWidth = Math.Max( maxWidth, childWidth);
- allFillParent = ( allFillParent && childDesiredWidth == LayoutParamPolicies.MatchParent);
+ maxWidth = Math.Max(maxWidth, childWidth);
+ allFillParent = (allFillParent && childDesiredWidth == LayoutParamPolicies.MatchParent);
if (childWeight > 0)
{
// Widths of weighted Views are bogus if we end up remeasuring, so keep them separate.
- weightedMaxWidth = Math.Max( weightedMaxWidth, matchWidthLocally ? marginWidth : childWidth);
+ weightedMaxWidth = Math.Max(weightedMaxWidth, matchWidthLocally ? marginWidth : childWidth);
}
else
{
- alternativeMaxWidth = Math.Max( alternativeMaxWidth, matchWidthLocally ? marginWidth : childWidth);
+ alternativeMaxWidth = Math.Max(alternativeMaxWidth, matchWidthLocally ? marginWidth : childWidth);
}
} // foreach
- float heightSize = _totalLength;
- heightSize = Math.Max( heightSize, SuggestedMinimumHeight.AsDecimal());
- MeasuredSize heightSizeAndState = ResolveSizeAndState( new LayoutLength(heightSize + Padding.Top + Padding.Bottom), heightMeasureSpec, MeasuredSize.StateType.MeasuredSizeOK );
+ float heightSize = totalLength;
+ heightSize = Math.Max(heightSize, SuggestedMinimumHeight.AsDecimal());
+ MeasuredSize heightSizeAndState = ResolveSizeAndState(new LayoutLength(heightSize + Padding.Top + Padding.Bottom), heightMeasureSpec, MeasuredSize.StateType.MeasuredSizeOK);
heightSize = heightSizeAndState.Size.AsDecimal();
// 2nd phase:
// We cycle through weighted children now (children with weight > 0).
// The children are measured with exact size equal to their share of the available space based on their weights.
- // _totalLength is updated to include weighted children measured sizes.
- float remainingExcess = heightSize - _totalLength + usedExcessSpace - (Padding.Top + Padding.Bottom);
- if( remainingExcess != 0 && totalWeight > 0.0f )
+ // totalLength is updated to include weighted children measured sizes.
+ float remainingExcess = heightSize - totalLength + usedExcessSpace - (Padding.Top + Padding.Bottom);
+ if (remainingExcess != 0 && totalWeight > 0.0f)
{
float remainingWeight = totalWeight;
maxWidth = 0;
- _totalLength = 0;
+ totalLength = 0;
int numberOfChildren = LayoutChildren.Count;
- for( int i = 0; i < numberOfChildren; ++i )
+ for (int i = 0; i < numberOfChildren; ++i)
{
LayoutItem childLayout = LayoutChildren[i];
float childWeight = childLayout.Owner.Weight;
Extents childMargin = childLayout.Margin;
- if( childWeight > 0 )
+ if (childWeight > 0)
{
MeasureWeightedChild(childLayout, remainingExcess, remainingWeight, childWeight,
widthMeasureSpec, heightMeasureSpec, childState,
float length = childLayout.MeasuredHeight.Size.AsDecimal() + childMargin.Top + childMargin.Bottom;
float cellPadding = i < numberOfChildren - 1 ? CellPadding.Height : 0;
- if( isExactly )
+ if (isExactly)
{
- _totalLength += length;
+ totalLength += length;
}
else
{
- float totalLength = _totalLength;
- _totalLength = Math.Max( _totalLength, _totalLength + length + cellPadding );
+ float totalLength = this.totalLength;
+ totalLength = Math.Max(totalLength, totalLength + length + cellPadding);
}
bool matchWidthLocally = (widthMode != MeasureSpecification.ModeType.Exactly) && (desiredChildWidth == LayoutParamPolicies.MatchParent);
float marginWidth = childMargin.Start + childMargin.End;
float childWidth = childLayout.MeasuredWidth.Size.AsDecimal() + marginWidth;
- maxWidth = Math.Max( maxWidth, childWidth );
- alternativeMaxWidth = Math.Max( alternativeMaxWidth, matchWidthLocally ? marginWidth : childWidth );
+ maxWidth = Math.Max(maxWidth, childWidth);
+ alternativeMaxWidth = Math.Max(alternativeMaxWidth, matchWidthLocally ? marginWidth : childWidth);
allFillParent = (allFillParent && desiredChildWidth == LayoutParamPolicies.MatchParent);
} // for loop
}
else
{
- alternativeMaxWidth = Math.Max( alternativeMaxWidth, weightedMaxWidth );
+ alternativeMaxWidth = Math.Max(alternativeMaxWidth, weightedMaxWidth);
}
if (!allFillParent && widthMode != MeasureSpecification.ModeType.Exactly)
maxWidth = alternativeMaxWidth;
}
- maxWidth += (Owner.WidthSpecification == LayoutParamPolicies.WrapContent)?(Padding.Start + Padding.End):0;
- maxWidth = Math.Max( maxWidth, SuggestedMinimumWidth.AsRoundedValue());
+ maxWidth += (Owner.WidthSpecification == LayoutParamPolicies.WrapContent) ? (Padding.Start + Padding.End) : 0;
+ maxWidth = Math.Max(maxWidth, SuggestedMinimumWidth.AsRoundedValue());
heightSizeAndState.State = childState.heightState;
- SetMeasuredDimensions( ResolveSizeAndState( new LayoutLength(maxWidth + Padding.Top + Padding.Bottom), widthMeasureSpec, childState.widthState ),
- heightSizeAndState );
+ SetMeasuredDimensions(ResolveSizeAndState(new LayoutLength(maxWidth + Padding.Top + Padding.Bottom), widthMeasureSpec, childState.widthState),
+ heightSizeAndState);
if (matchWidth)
{
- ForceUniformWidth(heightMeasureSpec );
+ ForceUniformWidth(heightMeasureSpec);
}
} // MeasureVertical
LayoutLength height = new LayoutLength(bottom - top);
// Space available for child
- LayoutLength childSpace = new LayoutLength( height - Padding.Top - Padding.Bottom);
+ LayoutLength childSpace = new LayoutLength(height - Padding.Top - Padding.Bottom);
int count = LayoutChildren.Count;
}
else
{
- childLeft = new LayoutLength(Padding.Start + right.AsDecimal() - left.AsDecimal() - _totalLength);
+ childLeft = new LayoutLength(Padding.Start + right.AsDecimal() - left.AsDecimal() - totalLength);
}
break;
case Alignment.CenterHorizontal: // FALL THROUGH
case Alignment.Center:
// totalLength contains the padding already
- childLeft = new LayoutLength(Padding.Start + (right.AsDecimal() - left.AsDecimal() - _totalLength) / 2.0f);
+ childLeft = new LayoutLength(Padding.Start + (right.AsDecimal() - left.AsDecimal() - totalLength) / 2.0f);
break;
case Alignment.Begin: // FALL THROUGH (default)
default:
// In case of RTL map BEGIN alignment to the right edge
if (isLayoutRtl)
{
- childLeft = new LayoutLength(Padding.Start + right.AsDecimal() - left.AsDecimal() - _totalLength);
+ childLeft = new LayoutLength(Padding.Start + right.AsDecimal() - left.AsDecimal() - totalLength);
}
else
{
dir = -1;
}
- for( int i = 0; i < count; i++)
+ for (int i = 0; i < count; i++)
{
int childIndex = start + dir * i;
// Get a reference to the childLayout at the given index
LayoutItem childLayout = LayoutChildren[childIndex];
- if( childLayout != null )
+ if (childLayout != null)
{
LayoutLength childWidth = childLayout.MeasuredWidth.Size;
LayoutLength childHeight = childLayout.MeasuredHeight.Size;
Extents childMargin = childLayout.Margin;
- switch ( LinearAlignment )
+ switch (LinearAlignment)
{
case Alignment.Bottom:
childTop = new LayoutLength(height - Padding.Bottom - childHeight - childMargin.Bottom);
break;
case Alignment.CenterVertical:
case Alignment.Center: // FALLTHROUGH
- childTop = new LayoutLength(Padding.Top + ( ( childSpace - childHeight ).AsDecimal() / 2.0f ) + childMargin.Top - childMargin.Bottom);
+ childTop = new LayoutLength(Padding.Top + ((childSpace - childHeight).AsDecimal() / 2.0f) + childMargin.Top - childMargin.Bottom);
break;
case Alignment.Top: // FALLTHROUGH default
default:
LayoutLength width = new LayoutLength(right - left);
// Space available for child
- LayoutLength childSpace = new LayoutLength( width - Padding.Start - Padding.End);
+ LayoutLength childSpace = new LayoutLength(width - Padding.Start - Padding.End);
int count = LayoutChildren.Count;
switch (LinearAlignment)
{
- case Alignment.Bottom:
- // totalLength contains the padding already
- childTop = new LayoutLength( Padding.Top + bottom.AsDecimal() - top.AsDecimal() - _totalLength);
- break;
- case Alignment.CenterVertical: // FALL THROUGH
- case Alignment.Center:
- // totalLength contains the padding already
- childTop = new LayoutLength(Padding.Top + ( bottom.AsDecimal() - top.AsDecimal() - _totalLength ) / 2.0f);
- break;
- case Alignment.Top: // FALL THROUGH (default)
- default:
- // totalLength contains the padding already
- childTop = new LayoutLength( Padding.Top );
- break;
+ case Alignment.Bottom:
+ // totalLength contains the padding already
+ childTop = new LayoutLength(Padding.Top + bottom.AsDecimal() - top.AsDecimal() - totalLength);
+ break;
+ case Alignment.CenterVertical: // FALL THROUGH
+ case Alignment.Center:
+ // totalLength contains the padding already
+ childTop = new LayoutLength(Padding.Top + (bottom.AsDecimal() - top.AsDecimal() - totalLength) / 2.0f);
+ break;
+ case Alignment.Top: // FALL THROUGH (default)
+ default:
+ // totalLength contains the padding already
+ childTop = new LayoutLength(Padding.Top);
+ break;
}
- for( int i = 0; i < count; i++)
+ for (int i = 0; i < count; i++)
{
LayoutItem childLayout = LayoutChildren[i];
- if( childLayout != null )
+ if (childLayout != null)
{
LayoutLength childWidth = childLayout.MeasuredWidth.Size;
LayoutLength childHeight = childLayout.MeasuredHeight.Size;
Extents childMargin = childLayout.Margin;
childTop += childMargin.Top;
- switch ( LinearAlignment )
+ switch (LinearAlignment)
{
- case Alignment.Begin:
- default:
- {
- childLeft = new LayoutLength(Padding.Start + childMargin.Start);
- break;
- }
- case Alignment.End:
- {
- childLeft = new LayoutLength(width - Padding.End - childWidth - childMargin.End);
- break;
- }
- case Alignment.CenterHorizontal:
- case Alignment.Center: // FALL THROUGH
- {
- childLeft = new LayoutLength(Padding.Start + (( childSpace - childWidth ).AsDecimal() / 2.0f) + childMargin.Start - childMargin.End);
- break;
- }
+ case Alignment.Begin:
+ default:
+ {
+ childLeft = new LayoutLength(Padding.Start + childMargin.Start);
+ break;
+ }
+ case Alignment.End:
+ {
+ childLeft = new LayoutLength(width - Padding.End - childWidth - childMargin.End);
+ break;
+ }
+ case Alignment.CenterHorizontal:
+ case Alignment.Center: // FALL THROUGH
+ {
+ childLeft = new LayoutLength(Padding.Start + ((childSpace - childWidth).AsDecimal() / 2.0f) + childMargin.Start - childMargin.End);
+ break;
+ }
}
- childLayout.Layout( childLeft, childTop, childLeft + childWidth, childTop + childHeight );
+ childLayout.Layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
childTop += childHeight + childMargin.Bottom + ((i < count - 1) ? CellPadding.Height : 0);
}
}
private void ForceUniformHeight(MeasureSpecification widthMeasureSpec)
{
- // Pretend that the linear layout has an exact size. This is the measured height of
- // ourselves. The measured height should be the max height of the children, changed
- // to accommodate the heightMeasureSpec from the parent
- MeasureSpecification uniformMeasureSpec = new MeasureSpecification( MeasuredHeight.Size, MeasureSpecification.ModeType.Exactly);
- foreach (LayoutItem childLayout in LayoutChildren)
- {
- int desiredChildHeight = childLayout.Owner.HeightSpecification;
- int desiredChildWidth = childLayout.Owner.WidthSpecification;
-
- if (desiredChildHeight == LayoutParamPolicies.MatchParent)
- {
- // Temporarily force children to reuse their original measured width
- int originalWidth = desiredChildWidth;
- childLayout.Owner.WidthSpecification = (int)childLayout.MeasuredWidth.Size.AsRoundedValue();
- // Remeasure with new dimensions
- MeasureChildWithMargins( childLayout, widthMeasureSpec, new LayoutLength(0),
- uniformMeasureSpec, new LayoutLength(0) );
- // Restore width specification
- childLayout.Owner.WidthSpecification = originalWidth;
- }
- }
+ // Pretend that the linear layout has an exact size. This is the measured height of
+ // ourselves. The measured height should be the max height of the children, changed
+ // to accommodate the heightMeasureSpec from the parent
+ MeasureSpecification uniformMeasureSpec = new MeasureSpecification(MeasuredHeight.Size, MeasureSpecification.ModeType.Exactly);
+ foreach (LayoutItem childLayout in LayoutChildren)
+ {
+ int desiredChildHeight = childLayout.Owner.HeightSpecification;
+ int desiredChildWidth = childLayout.Owner.WidthSpecification;
+
+ if (desiredChildHeight == LayoutParamPolicies.MatchParent)
+ {
+ // Temporarily force children to reuse their original measured width
+ int originalWidth = desiredChildWidth;
+ childLayout.Owner.WidthSpecification = (int)childLayout.MeasuredWidth.Size.AsRoundedValue();
+ // Remeasure with new dimensions
+ MeasureChildWithMargins(childLayout, widthMeasureSpec, new LayoutLength(0),
+ uniformMeasureSpec, new LayoutLength(0));
+ // Restore width specification
+ childLayout.Owner.WidthSpecification = originalWidth;
+ }
+ }
}
private void ForceUniformWidth(MeasureSpecification heightMeasureSpec)
{
// Pretend that the linear layout has an exact size.
- MeasureSpecification uniformMeasureSpec = new MeasureSpecification( MeasuredWidth.Size, MeasureSpecification.ModeType.Exactly);
+ MeasureSpecification uniformMeasureSpec = new MeasureSpecification(MeasuredWidth.Size, MeasureSpecification.ModeType.Exactly);
foreach (LayoutItem childLayout in LayoutChildren)
{
int desiredChildWidth = childLayout.Owner.WidthSpecification;
int desiredChildHeight = childLayout.Owner.WidthSpecification;
- if (desiredChildWidth == LayoutParamPolicies.MatchParent)
+ if (desiredChildWidth == LayoutParamPolicies.MatchParent)
{
// Temporarily force children to reuse their original measured height
int originalHeight = desiredChildHeight;
- childLayout.Owner.HeightSpecification = (int)childLayout.MeasuredHeight.Size.AsRoundedValue();
+ childLayout.Owner.HeightSpecification = (int)childLayout.MeasuredHeight.Size.AsRoundedValue();
// Remeasure with new dimensions
- MeasureChildWithMargins( childLayout, uniformMeasureSpec, new LayoutLength(0),
+ MeasureChildWithMargins(childLayout, uniformMeasureSpec, new LayoutLength(0),
heightMeasureSpec, new LayoutLength(0));
// Restore height specification
childLayout.Owner.HeightSpecification = originalHeight;
}
}
}
+
+ /// <summary>
+ /// Releases any unmanaged resources used by this object. Can also dispose any other disposable objects.
+ /// </summary>
+ /// <param name="disposing">If true, disposes any disposable objects. If false, does not dispose disposable objects.</param>
+ /// This will be public opened in tizen_6.0 after ACR done. Before ACR, need to be hidden as inhouse API.
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ protected virtual void Dispose(bool disposing)
+ {
+ if (disposed)
+ return;
+
+ if (disposing)
+ {
+ cellPadding?.Dispose();
+ }
+ disposed = true;
+ }
+
+ /// <summary>
+ /// Dispose the window resources
+ /// </summary>
+ /// <returns></returns>
+ /// <since_tizen> 6 </since_tizen>
+ /// This will be public opened in tizen_6.0 after ACR done. Before ACR, need to be hidden as inhouse API.
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public void Dispose()
+ {
+ Dispose(true);
+ }
} //LinearLayout
} // namespace
projects / platform / core / csapi / tizenfx.git / blobdiff