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Add resizing state flag to Splitter items.

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New iterator for Splitter items.
Use std::function instead of templates for type safety.
This commit is contained in:
Teo Mrnjavac 2016-02-23 10:36:30 +01:00
parent 757a5b48eb
commit 3c8aee7b5e
2 changed files with 81 additions and 9 deletions
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71
src/modules/partition/gui/PartitionSplitterWidget.cpp
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@ -128,9 +128,11 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
for ( int i = 0; i < m_items.count(); ++i )
{
if ( m_items[ i ].itemPath == m_itemToResize.itemPath &&
m_items[ i ].status == PartitionSplitterItem::Resizing &&
i + 1 < m_items.count() )
{
m_items[ i ].size = m_items[ i ].size + m_itemToResizeNext.size;
m_items[ i ].status = PartitionSplitterItem::Normal;
m_items.removeAt( i + 1 );
m_itemToResizeNext = PartitionSplitterItem::null();
break;
@ -144,6 +146,7 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
{
m_items[ i ].children[ j ].size =
m_items[ i ].children[ j ].size + m_itemToResizeNext.size;
m_items[ i ].children[ j ].status = PartitionSplitterItem::Normal;
m_items[ i ].children.removeAt( j + 1 );
m_itemToResizeNext = PartitionSplitterItem::null();
break;
@ -161,7 +164,12 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
PartitionSplitterItem itemToResize = _findItem( m_items,
[ path ]( PartitionSplitterItem& item ) -> bool
{
return path == item.itemPath;
if ( path == item.itemPath )
{
item.status = PartitionSplitterItem::Resizing;
return true;
}
return false;
} );
if ( itemToResize.isNull() )
@ -176,6 +184,17 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
qint64 newSize = m_itemToResize.size - preferredSize;
m_itemToResize.size = preferredSize;
int opCount = _eachItem( m_items,
[ preferredSize ]( PartitionSplitterItem& item ) -> bool
{
if ( item.status == PartitionSplitterItem::Resizing )
{
item.size = preferredSize;
return true;
}
return false;
} );
cDebug() << "each splitter item opcount:" << opCount;
m_itemMinSize = minSize;
m_itemMaxSize = maxSize;
m_itemPrefSize = preferredSize;
@ -185,7 +204,12 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
if ( m_items[ i ].itemPath == itemToResize.itemPath )
{
m_items.insert( i+1,
{ "", QColor( "#c0392b" ), false, newSize, {} } );
{ "",
QColor( "#c0392b" ),
false,
newSize,
PartitionSplitterItem::ResizingNext,
{} } );
m_itemToResizeNext = m_items[ i+1 ];
break;
}
@ -196,7 +220,12 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
if ( m_items[ i ].children[ j ].itemPath == itemToResize.itemPath )
{
m_items[ i ].children.insert( j+1,
{ "", QColor( "#c0392b" ), false, newSize, {} } );
{ "",
QColor( "#c0392b" ),
false,
newSize,
PartitionSplitterItem::ResizingNext,
{} } );
m_itemToResizeNext = m_items[ i ].children[ j+1 ];
break;
}
@ -212,7 +241,7 @@ PartitionSplitterWidget::setSplitPartition( const QString& path,
cDebug() << "Items updated. Status:";
foreach ( const PartitionSplitterItem& item, m_items )
cDebug() << "item" << item.itemPath << "size" << item.size;
cDebug() << "item" << item.itemPath << "size" << item.size << "status:" << item.status;
cDebug() << "m_itemToResize: " << !m_itemToResize.isNull() << m_itemToResize.itemPath;
cDebug() << "m_itemToResizeNext:" << !m_itemToResizeNext.isNull() << m_itemToResizeNext.itemPath;
@ -331,6 +360,21 @@ PartitionSplitterWidget::mouseMoveEvent( QMouseEvent* event )
m_itemToResize.size = qRound64( span * percent );
m_itemToResizeNext.size -= m_itemToResize.size - oldsize;
_eachItem( m_items,
[ this ]( PartitionSplitterItem& item ) -> bool
{
if ( item.status == PartitionSplitterItem::Resizing )
{
item.size = m_itemToResize.size;
return true;
}
else if ( item.status == PartitionSplitterItem::ResizingNext )
{
item.size = m_itemToResizeNext.size;
return true;
}
return false;
} );
repaint();
@ -503,10 +547,9 @@ PartitionSplitterWidget::drawPartitions( QPainter* painter,
}
template < typename F >
PartitionSplitterItem
PartitionSplitterWidget::_findItem( QVector< PartitionSplitterItem >& items,
F condition )
std::function< bool ( PartitionSplitterItem& ) > condition ) const
{
for ( auto it = items.begin(); it != items.end(); ++it)
{
@ -521,6 +564,22 @@ PartitionSplitterWidget::_findItem( QVector< PartitionSplitterItem >& items,
}
int
PartitionSplitterWidget::_eachItem( QVector< PartitionSplitterItem >& items,
std::function< bool ( PartitionSplitterItem& ) > operation ) const
{
int opCount = 0;
for ( auto it = items.begin(); it != items.end(); ++it)
{
if ( operation( *it ) )
opCount++;
opCount += _eachItem( it->children, operation );
}
return opCount;
}
QPair< QVector< PartitionSplitterItem >, qreal >
PartitionSplitterWidget::computeItemsVector( const QVector< PartitionSplitterItem >& originalItems ) const
{