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477 lines
13 KiB
C++
477 lines
13 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "vgui/MouseCode.h"
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#include "vgui/IInput.h"
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#include "vgui/IScheme.h"
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#include "vgui/ISurface.h"
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#include "vgui_controls/EditablePanel.h"
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#include "vgui_controls/ScrollBar.h"
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#include "vgui_controls/Label.h"
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#include "vgui_controls/Button.h"
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#include "vgui_controls/Controls.h"
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#include "vgui_controls/PanelListPanel.h"
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#include "KeyValues.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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using namespace vgui;
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DECLARE_BUILD_FACTORY( PanelListPanel );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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PanelListPanel::PanelListPanel( vgui::Panel *parent, char const *panelName ) : EditablePanel( parent, panelName )
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{
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SetBounds( 0, 0, 100, 100 );
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m_vbar = new ScrollBar(this, "PanelListPanelVScroll", true);
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m_vbar->SetVisible(false);
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m_vbar->AddActionSignalTarget( this );
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m_pPanelEmbedded = new EditablePanel(this, "PanelListEmbedded");
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m_pPanelEmbedded->SetBounds(0, 0, 20, 20);
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m_pPanelEmbedded->SetPaintBackgroundEnabled( false );
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m_pPanelEmbedded->SetPaintBorderEnabled(false);
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m_iFirstColumnWidth = 100; // default width
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m_iNumColumns = 1; // 1 column by default
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if ( IsProportional() )
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{
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m_iDefaultHeight = scheme()->GetProportionalScaledValueEx( GetScheme(), DEFAULT_HEIGHT );
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m_iPanelBuffer = scheme()->GetProportionalScaledValueEx( GetScheme(), PANELBUFFER );
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}
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else
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{
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m_iDefaultHeight = DEFAULT_HEIGHT;
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m_iPanelBuffer = PANELBUFFER;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor
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//-----------------------------------------------------------------------------
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PanelListPanel::~PanelListPanel()
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{
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// free data from table
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DeleteAllItems();
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}
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void PanelListPanel::SetVerticalBufferPixels( int buffer )
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{
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m_iPanelBuffer = buffer;
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: counts the total vertical pixels
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//-----------------------------------------------------------------------------
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int PanelListPanel::ComputeVPixelsNeeded()
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{
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int iCurrentItem = 0;
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int iLargestH = 0;
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int pixels = 0;
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for ( int i = 0; i < m_SortedItems.Count(); i++ )
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{
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Panel *panel = m_DataItems[ m_SortedItems[i] ].panel;
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if ( !panel )
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continue;
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if ( panel->IsLayoutInvalid() )
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{
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panel->InvalidateLayout( true );
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}
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int iCurrentColumn = iCurrentItem % m_iNumColumns;
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int w, h;
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panel->GetSize( w, h );
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if ( iLargestH < h )
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iLargestH = h;
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if ( iCurrentColumn == 0 )
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pixels += m_iPanelBuffer; // add in buffer. between rows.
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if ( iCurrentColumn >= m_iNumColumns - 1 )
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{
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pixels += iLargestH;
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iLargestH = 0;
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}
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iCurrentItem++;
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}
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// Add in remaining largest height
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pixels += iLargestH;
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pixels += m_iPanelBuffer; // add in buffer below last item
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return pixels;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the panel to use to render a cell
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//-----------------------------------------------------------------------------
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Panel *PanelListPanel::GetCellRenderer( int row )
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{
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if ( !m_SortedItems.IsValidIndex(row) )
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return NULL;
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Panel *panel = m_DataItems[ m_SortedItems[row] ].panel;
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return panel;
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}
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//-----------------------------------------------------------------------------
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// Purpose: adds an item to the view
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// data->GetName() is used to uniquely identify an item
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// data sub items are matched against column header name to be used in the table
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//-----------------------------------------------------------------------------
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int PanelListPanel::AddItem( Panel *labelPanel, Panel *panel )
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{
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Assert(panel);
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if ( labelPanel )
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{
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labelPanel->SetParent( m_pPanelEmbedded );
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}
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panel->SetParent( m_pPanelEmbedded );
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int itemID = m_DataItems.AddToTail();
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DATAITEM &newitem = m_DataItems[itemID];
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newitem.labelPanel = labelPanel;
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newitem.panel = panel;
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m_SortedItems.AddToTail(itemID);
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InvalidateLayout();
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return itemID;
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}
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//-----------------------------------------------------------------------------
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// Purpose: iteration accessor
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//-----------------------------------------------------------------------------
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int PanelListPanel::GetItemCount() const
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{
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return m_DataItems.Count();
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}
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int PanelListPanel::GetItemIDFromRow( int nRow ) const
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{
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if ( nRow < 0 || nRow >= GetItemCount() )
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return m_DataItems.InvalidIndex();
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return m_SortedItems[ nRow ];
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}
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//-----------------------------------------------------------------------------
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// Iteration. Use these until they return InvalidItemID to iterate all the items.
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//-----------------------------------------------------------------------------
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int PanelListPanel::FirstItem() const
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{
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return m_DataItems.Head();
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}
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int PanelListPanel::NextItem( int nItemID ) const
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{
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return m_DataItems.Next( nItemID );
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}
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int PanelListPanel::InvalidItemID() const
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{
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return m_DataItems.InvalidIndex( );
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}
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//-----------------------------------------------------------------------------
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// Purpose: returns label panel for this itemID
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//-----------------------------------------------------------------------------
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Panel *PanelListPanel::GetItemLabel(int itemID)
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{
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if ( !m_DataItems.IsValidIndex(itemID) )
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return NULL;
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return m_DataItems[itemID].labelPanel;
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}
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//-----------------------------------------------------------------------------
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// Purpose: returns label panel for this itemID
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//-----------------------------------------------------------------------------
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Panel *PanelListPanel::GetItemPanel(int itemID)
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{
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if ( !m_DataItems.IsValidIndex(itemID) )
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return NULL;
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return m_DataItems[itemID].panel;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::RemoveItem(int itemID)
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{
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if ( !m_DataItems.IsValidIndex(itemID) )
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return;
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DATAITEM &item = m_DataItems[itemID];
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if ( item.panel )
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{
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item.panel->MarkForDeletion();
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}
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if ( item.labelPanel )
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{
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item.labelPanel->MarkForDeletion();
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}
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m_DataItems.Remove(itemID);
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m_SortedItems.FindAndRemove(itemID);
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: clears and deletes all the memory used by the data items
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//-----------------------------------------------------------------------------
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void PanelListPanel::DeleteAllItems()
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{
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FOR_EACH_LL( m_DataItems, i )
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{
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if ( m_DataItems[i].panel )
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{
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m_DataItems[i].panel->MarkForDeletion();
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m_DataItems[i].panel = NULL;
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}
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}
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m_DataItems.RemoveAll();
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m_SortedItems.RemoveAll();
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: clears and deletes all the memory used by the data items
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//-----------------------------------------------------------------------------
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void PanelListPanel::RemoveAll()
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{
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m_DataItems.RemoveAll();
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m_SortedItems.RemoveAll();
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// move the scrollbar to the top of the list
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m_vbar->SetValue(0);
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::OnSizeChanged(int wide, int tall)
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{
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BaseClass::OnSizeChanged(wide, tall);
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InvalidateLayout();
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Repaint();
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}
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//-----------------------------------------------------------------------------
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// Purpose: relayouts out the panel after any internal changes
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//-----------------------------------------------------------------------------
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void PanelListPanel::PerformLayout()
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{
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int wide, tall;
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GetSize( wide, tall );
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int vpixels = ComputeVPixelsNeeded();
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m_vbar->SetRange( 0, vpixels );
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m_vbar->SetRangeWindow( tall );
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m_vbar->SetButtonPressedScrollValue( tall / 4 ); // standard height of labels/buttons etc.
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m_vbar->SetPos( wide - m_vbar->GetWide() - 2, 0 );
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m_vbar->SetSize( m_vbar->GetWide(), tall - 2 );
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int top = m_vbar->GetValue();
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m_pPanelEmbedded->SetPos( 0, -top );
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m_pPanelEmbedded->SetSize( wide - m_vbar->GetWide(), vpixels ); // scrollbar will sit on top (zpos set explicitly)
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bool bScrollbarVisible = true;
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// If we're supposed to automatically hide the scrollbar when unnecessary, check it now
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if ( m_bAutoHideScrollbar )
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{
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bScrollbarVisible = (m_pPanelEmbedded->GetTall() > tall);
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}
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m_vbar->SetVisible( bScrollbarVisible );
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// Now lay out the controls on the embedded panel
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int y = 0;
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int h = 0;
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int totalh = 0;
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int xpos = m_iFirstColumnWidth + m_iPanelBuffer;
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int iColumnWidth = ( wide - xpos - m_vbar->GetWide() - 12 ) / m_iNumColumns;
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for ( int i = 0; i < m_SortedItems.Count(); i++ )
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{
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int iCurrentColumn = i % m_iNumColumns;
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// add in a little buffer between panels
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if ( iCurrentColumn == 0 )
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y += m_iPanelBuffer;
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DATAITEM &item = m_DataItems[ m_SortedItems[i] ];
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if ( h < item.panel->GetTall() )
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h = item.panel->GetTall();
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if ( item.labelPanel )
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{
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item.labelPanel->SetBounds( 0, y, m_iFirstColumnWidth, item.panel->GetTall() );
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}
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item.panel->SetBounds( xpos + iCurrentColumn * iColumnWidth, y, iColumnWidth, item.panel->GetTall() );
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if ( iCurrentColumn >= m_iNumColumns - 1 )
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{
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y += h;
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totalh += h;
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h = 0;
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: scheme settings
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//-----------------------------------------------------------------------------
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void PanelListPanel::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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SetBorder(pScheme->GetBorder("ButtonDepressedBorder"));
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SetBgColor(GetSchemeColor("ListPanel.BgColor", GetBgColor(), pScheme));
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::OnSliderMoved( int position )
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{
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InvalidateLayout();
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Repaint();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::MoveScrollBarToTop()
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{
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m_vbar->SetValue(0);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::SetFirstColumnWidth( int width )
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{
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m_iFirstColumnWidth = width;
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}
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//-----------------------------------------------------------------------------
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// Purpose: data accessor
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//-----------------------------------------------------------------------------
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int PanelListPanel::GetFirstColumnWidth()
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{
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return m_iFirstColumnWidth;
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}
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void PanelListPanel::SetNumColumns( int iNumColumns )
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{
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m_iNumColumns = iNumColumns;
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}
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int PanelListPanel::GetNumColumns( void )
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{
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return m_iNumColumns;
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}
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//-----------------------------------------------------------------------------
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// Purpose: moves the scrollbar with the mousewheel
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//-----------------------------------------------------------------------------
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void PanelListPanel::OnMouseWheeled(int delta)
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{
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int val = m_vbar->GetValue();
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val -= (delta * DEFAULT_HEIGHT);
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m_vbar->SetValue(val);
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}
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//-----------------------------------------------------------------------------
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// Purpose: selection handler
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//-----------------------------------------------------------------------------
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void PanelListPanel::SetSelectedPanel( Panel *panel )
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{
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if ( panel != m_hSelectedItem )
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{
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// notify the panels of the selection change
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if ( m_hSelectedItem )
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{
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PostMessage( m_hSelectedItem.Get(), new KeyValues("PanelSelected", "state", 0) );
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}
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if ( panel )
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{
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PostMessage( panel, new KeyValues("PanelSelected", "state", 1) );
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}
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m_hSelectedItem = panel;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: data accessor
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//-----------------------------------------------------------------------------
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Panel *PanelListPanel::GetSelectedPanel()
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{
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return m_hSelectedItem;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void PanelListPanel::ScrollToItem( int itemNumber )
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{
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if (!m_vbar->IsVisible())
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{
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return;
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}
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DATAITEM& item = m_DataItems[ m_SortedItems[ itemNumber ] ];
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if ( !item.panel )
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return;
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int x, y;
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item.panel->GetPos( x, y );
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int lx, ly;
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lx = x;
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ly = y;
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m_pPanelEmbedded->LocalToScreen( lx, ly );
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ScreenToLocal( lx, ly );
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int h = item.panel->GetTall();
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if ( ly >= 0 && ly + h < GetTall() )
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return;
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m_vbar->SetValue( y );
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InvalidateLayout();
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}
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