438 lines
8.9 KiB
Ucode
438 lines
8.9 KiB
Ucode
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// Columned list box (only for text lines).
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Class KFGUI_ColumnList extends KFGUI_List;
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struct FColumnItem
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{
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var() string Text;
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var() float Width;
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var transient bool bHidden;
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var transient int X,XSize;
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};
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var() array<FColumnItem> Columns;
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var() class<KFGUI_ListItem> ListItemClass;
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var() int FontSize;
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var() color FocusedLineColor,SelectedLineColor;
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var KFGUI_ColumnTop ColumnComp;
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var Canvas.FontRenderInfo LineFontInfo;
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var int SelectedRowIndex;
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var int LastSortedColumn;
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var transient float TextHeight,ScalerSize,TextScaler;
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var transient int OldItemsPerFrame;
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var KFGUI_ListItem FirstItem,UnusedItem;
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var transient bool bListSizeDirty;
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var bool bLastSortedReverse;
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var() bool bShouldSortList; // Should sort any new items added to the list instantly.
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var() bool bCanSortColumn; // Allow user to sort columns.
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delegate OnSelectedRow( KFGUI_ListItem Item, int Row, bool bRight, bool bDblClick );
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function KFGUI_ListItem AddLine( string Value, optional int iValue, optional string SortValue, optional int Index=-1 )
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{
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local KFGUI_ListItem N,O;
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local int i;
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// Allocate list item object.
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if( UnusedItem!=None )
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{
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N = UnusedItem;
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UnusedItem = N.Next;
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N.Next = None;
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}
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else N = new (None) ListItemClass;
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// Setup column text value.
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N.SetValue(Value,iValue,SortValue);
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// Insert into list.
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if( bShouldSortList && Index==-1 )
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{
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N.Temp = N.GetSortStr(LastSortedColumn);
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if( ListCount==0 ) // No sorting needed yet.
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{
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N.Next = FirstItem;
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FirstItem = N;
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}
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else if( bLastSortedReverse )
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{
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if( FirstItem.Temp<N.Temp )
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{
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N.Next = FirstItem;
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FirstItem = N;
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}
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else
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{
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for( O=FirstItem; O!=None; O=O.Next )
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{
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if( O.Next==None || O.Next.Temp<N.Temp )
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{
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N.Next = O.Next;
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O.Next = N;
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break;
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}
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}
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}
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}
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else if( FirstItem.Temp>N.Temp )
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{
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N.Next = FirstItem;
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FirstItem = N;
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}
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else
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{
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for( O=FirstItem; O!=None; O=O.Next )
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{
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if( O.Next==None || O.Next.Temp>N.Temp )
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{
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N.Next = O.Next;
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O.Next = N;
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break;
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}
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}
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}
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}
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else if( Index==-1 || Index>ListCount )
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Index = ListCount;
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if( Index==0 )
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{
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N.Next = FirstItem;
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FirstItem = N;
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}
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else
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{
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i = 0;
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for( O=FirstItem; O!=None; O=O.Next )
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{
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if( (++i)==Index )
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{
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N.Next = O.Next;
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O.Next = N;
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break;
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}
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}
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}
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UpdateListSize();
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return N;
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}
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final function RemoveLine( KFGUI_ListItem I )
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{
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local KFGUI_ListItem N;
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if( I.Index==-1 )
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return;
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// Update selected row info.
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if( SelectedRowIndex==I.Index )
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SelectedRowIndex = -1;
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else if( SelectedRowIndex>I.Index )
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--SelectedRowIndex;
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// Remove from list.
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if( FirstItem==I )
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FirstItem = I.Next;
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else
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{
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for( N=FirstItem; N!=None; N=N.Next )
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if( N.Next==I )
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{
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N.Next = I.Next;
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break;
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}
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}
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// Add to unused list.
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I.Next = UnusedItem;
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UnusedItem = I;
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I.Index = -1;
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UpdateListSize();
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}
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final function EmptyList()
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{
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local KFGUI_ListItem N,I;
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for( I=FirstItem; I!=None; I=N )
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{
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N = I.Next;
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// Add to unused list.
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I.Next = UnusedItem;
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UnusedItem = I;
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I.Index = -1;
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}
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FirstItem = None;
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UpdateListSize();
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}
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final function KFGUI_ListItem GetFromIndex( int Index )
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{
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local KFGUI_ListItem N;
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if( Index<0 || Index>=ListCount )
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return None;
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for( N=FirstItem; N!=None; N=N.Next )
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if( (Index--)==0 )
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return N;
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return None;
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}
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function SortColumn( int Column, optional bool bReverse )
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{
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local array<KFGUI_ListItem> List;
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local KFGUI_ListItem Sel,N,P;
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local int i;
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if( !bCanSortColumn || Column<0 || Column>=Columns.Length )
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return;
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LastSortedColumn = Column;
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bLastSortedReverse = bReverse;
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bShouldSortList = true;
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// Allocate memory space first.
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List.Length = ListCount;
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List.Length = 0;
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// Grab current selected line.
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Sel = GetFromIndex(SelectedRowIndex);
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SelectedRowIndex = -1;
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// Slow, sort it all.
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for( N=FirstItem; N!=None; N=N.Next )
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{
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N.Temp = N.GetSortStr(Column);
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if( bReverse )
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{
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for( i=0; i<List.Length; ++i )
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if( List[i].Temp<N.Temp )
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break;
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}
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else
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{
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for( i=0; i<List.Length; ++i )
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if( List[i].Temp>N.Temp )
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break;
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}
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List.Insert(i,1);
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List[i] = N;
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}
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// Rebuild list.
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FirstItem = None;
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P = None;
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for( i=0; i<List.Length; ++i )
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{
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N = List[i];
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if( Sel==N )
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SelectedRowIndex = i;
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N.Index = i;
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N.Next = None;
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if( P==None )
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FirstItem = N;
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else P.Next = N;
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P = N;
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}
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}
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function ChangeListSize( int NewSize );
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final function UpdateListSize()
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{
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local KFGUI_ListItem N;
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ListCount = 0;
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for( N=FirstItem; N!=None; N=N.Next )
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N.Index = ListCount++;
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bListSizeDirty = true;
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}
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function InitMenu()
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{
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ListCount = 0;
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Super.InitMenu();
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ColumnComp = KFGUI_ColumnTop(FindComponentID('Columns'));
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}
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final function DrawStrClipped( string S )
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{
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Canvas.PushMaskRegion(Canvas.OrgX,Canvas.OrgY,Canvas.ClipX,Canvas.ClipY);
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Canvas.DrawText(S,,TextScaler,TextScaler,LineFontInfo);
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Canvas.PopMaskRegion();
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}
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function DrawMenu()
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{
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local int i,n,j;
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local float Y,TextY,YClip,XOffset;
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local KFGUI_ListItem C;
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local bool bCheckMouse;
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Canvas.DrawColor = BackgroundColor;
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Canvas.SetPos(0.f,0.f);
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Owner.CurrentStyle.DrawWhiteBox(CompPos[2],CompPos[3]);
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// Mouse focused item check.
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bCheckMouse = bClickable && bFocused;
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FocusMouseItem = -1;
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if( bCheckMouse )
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MouseYHit = Owner.MousePosition.Y - CompPos[1];
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n = ScrollBar.CurrentScroll;
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i = 0;
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for( C=FirstItem; C!=None; C=C.Next )
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if( (i++)==n )
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break;
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Y = 0.f;
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TextY = (ItemHeight-TextHeight)*0.5f;
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XOffset = TextY*0.75;
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YClip = CompPos[1]+CompPos[3];
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Canvas.SetDrawColor(250,250,250,255);
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for( i=0; (i<ListItemsPerPage && C!=None); ++i )
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{
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// Check for mouse hit.
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if( bCheckMouse && FocusMouseItem==-1 )
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{
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if( MouseYHit<ItemHeight )
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FocusMouseItem = n;
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else MouseYHit-=ItemHeight;
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}
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// Draw selection background.
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if( SelectedRowIndex==n ) // Selected
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{
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Canvas.SetPos(0,Y);
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Canvas.DrawColor = SelectedLineColor;
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Owner.CurrentStyle.DrawWhiteBox(CompPos[2],ItemHeight);
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Canvas.SetDrawColor(250,250,250,255);
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}
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else if( FocusMouseItem==n ) // Focused
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{
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Canvas.SetPos(0,Y);
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Canvas.DrawColor = FocusedLineColor;
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Owner.CurrentStyle.DrawWhiteBox(CompPos[2],ItemHeight);
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Canvas.SetDrawColor(250,250,250,255);
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}
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// Draw columns of text
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for( j=0; j<Columns.Length; ++j )
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if( !Columns[j].bHidden )
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{
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Canvas.SetClip(Columns[j].X+Columns[j].XSize,YClip);
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Canvas.SetPos(Columns[j].X+XOffset,TextY);
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DrawStrClipped(C.GetDisplayStr(j));
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}
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Y+=ItemHeight;
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TextY+=ItemHeight;
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++n;
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C = C.Next;
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}
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}
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function PreDraw()
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{
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local byte j;
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local float XS,SpaceX;
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ComputeCoords();
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// Check font to use.
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Canvas.Font = Owner.CurrentStyle.PickFont(Min(FontSize+Owner.CurrentStyle.DefaultFontSize,Owner.CurrentStyle.MaxFontScale),TextScaler);
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Canvas.TextSize("ABC",XS,TextHeight,TextScaler,TextScaler);
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for( j=0; j<4; ++j )
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{
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ScrollBar.InputPos[j] = CompPos[j];
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ColumnComp.InputPos[j] = CompPos[j];
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}
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// Setup positioning.
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// First compute the width scrollbar.
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if( OldXSize!=InputPos[2] )
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{
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OldXSize = InputPos[2];
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ScalerSize = ScrollBar.GetWidth();
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ScrollBar.XPosition = 1.f - ScalerSize;
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ColumnComp.XSize = ScrollBar.XPosition;
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}
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SpaceX = ScalerSize*CompPos[2];
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CompPos[2] -= SpaceX;
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ScrollBar.InputPos[3] = CompPos[3];
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// Draw columns.
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ColumnComp.YSize = (TextHeight*1.05) / CompPos[3];
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ColumnComp.Canvas = Canvas;
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ColumnComp.PreDraw();
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// Move down to give space for columns.
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CompPos[1] += ColumnComp.CompPos[3];
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CompPos[3] -= ColumnComp.CompPos[3];
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// Compute how many rows fit in with this setting.
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ItemHeight = TextHeight*1.025;
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ListItemsPerPage = CompPos[3]/ItemHeight;
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ItemHeight = CompPos[3]/ListItemsPerPage;
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if( OldItemsPerFrame!=ListItemsPerPage || bListSizeDirty )
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{
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if( SelectedRowIndex>=ListCount )
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SelectedRowIndex = -1;
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OldItemsPerFrame = ListItemsPerPage;
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bListSizeDirty = false;
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UpdateListVis();
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}
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// Draw vertical scrollbar
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ScrollBar.Canvas = Canvas;
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ScrollBar.PreDraw();
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// Draw self.
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Canvas.SetOrigin(CompPos[0],CompPos[1]);
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Canvas.SetClip(CompPos[0]+CompPos[2],CompPos[1]+CompPos[3]);
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DrawMenu();
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// Reset scaling to allow mouse to capture input.
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CompPos[1] -= ColumnComp.CompPos[3];
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CompPos[2] += SpaceX;
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CompPos[3] += ColumnComp.CompPos[3];
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}
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function InternalClickedItem( int Index, bool bRight, int MouseX, int MouseY )
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|
|
{
|
||
|
|
SelectedRowIndex = Index;
|
||
|
|
OnSelectedRow(GetFromIndex(Index),Index,bRight,false);
|
||
|
|
}
|
||
|
|
function InternalDblClickedItem( int Index, bool bRight, int MouseX, int MouseY )
|
||
|
|
{
|
||
|
|
SelectedRowIndex = Index;
|
||
|
|
OnSelectedRow(GetFromIndex(Index),Index,bRight,true);
|
||
|
|
}
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
ListItemClass=class'KFGUI_ListItem'
|
||
|
|
OnClickedItem=InternalClickedItem
|
||
|
|
OnDblClickedItem=InternalDblClickedItem
|
||
|
|
SelectedRowIndex=-1
|
||
|
|
bClickable=true
|
||
|
|
FocusedLineColor=(R=64,G=3,B=48,A=255)
|
||
|
|
SelectedLineColor=(R=84,G=26,B=128,A=255)
|
||
|
|
bCanSortColumn=true
|
||
|
|
|
||
|
|
Begin Object Class=KFGUI_ColumnTop Name=ColumnComps
|
||
|
|
XPosition=0
|
||
|
|
YPosition=0
|
||
|
|
XSize=1
|
||
|
|
YSize=0.04
|
||
|
|
ID="Columns"
|
||
|
|
End Object
|
||
|
|
Components.Add(ColumnComps)
|
||
|
|
|
||
|
|
LineFontInfo=(bClipText=true,bEnableShadow=false)
|
||
|
|
}
|