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FluorescentCIAAfricanAmerican
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "cbase.h"
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#include <KeyValues.h>
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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 "buypreset_listbox.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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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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//--------------------------------------------------------------------------------------------------------------
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//--------------------------------------------------------------------------------------------------------------
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BuyPresetListBox::BuyPresetListBox( vgui::Panel *parent, char const *panelName ) : Panel( parent, panelName )
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{
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m_visibleIndex = 0;
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m_lastSize = 0;
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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->SetBounds( 0, 0, 20, 20 );
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m_vbar->SetVisible(true);
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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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if( IsProportional() )
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{
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int width, height;
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int sw,sh;
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surface()->GetProportionalBase( width, height );
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GetHudSize(sw, sh);
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// resize scrollbar, etc
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m_iScrollbarSize = static_cast<int>( static_cast<float>( SCROLLBAR_SIZE )*( static_cast<float>( sw )/ static_cast<float>( width )));
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m_iDefaultHeight = static_cast<int>( static_cast<float>( DEFAULT_HEIGHT )*( static_cast<float>( sw )/ static_cast<float>( width )));
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m_iPanelBuffer = static_cast<int>( static_cast<float>( PANELBUFFER )*( static_cast<float>( sw )/ static_cast<float>( width )));
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}
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else
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{
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m_iScrollbarSize = SCROLLBAR_SIZE;
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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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BuyPresetListBox::~BuyPresetListBox()
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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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//--------------------------------------------------------------------------------------------------------------
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/**
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* Passes commands up to the parent
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*/
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void BuyPresetListBox::OnCommand( const char *command )
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{
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GetParent()->OnCommand( command );
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Scrolls the list according to the mouse wheel movement
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*/
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void BuyPresetListBox::OnMouseWheeled(int delta)
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{
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int scale = 3;
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if ( m_items.Count() )
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{
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Panel *panel = m_items[0].panel;
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if ( panel )
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{
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scale = panel->GetTall() + m_iPanelBuffer;
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}
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}
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int val = m_vbar->GetValue();
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val -= (delta * scale);
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m_vbar->SetValue(val);
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Computes vertical pixels needed by listbox contents
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*/
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int BuyPresetListBox::computeVPixelsNeeded( void )
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{
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int pixels = 0;
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int i;
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for ( i = 0; i < m_items.Count(); i++ )
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{
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Panel *panel = m_items[i].panel;
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if ( !panel )
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continue;
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int w, h;
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panel->GetSize( w, h );
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pixels += m_iPanelBuffer; // add in buffer. between items.
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pixels += h;
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}
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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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/**
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* Adds an item to the end of the listbox. UserData is assumed to be a pointer that can be freed by the listbox if non-NULL.
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*/
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int BuyPresetListBox::AddItem( vgui::Panel *panel, void * userData )
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{
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assert(panel);
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DataItem item = { panel, userData };
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panel->SetParent( m_pPanelEmbedded );
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m_items.AddToTail( item );
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InvalidateLayout();
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return m_items.Count();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Exchanges two items in the listbox
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*/
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void BuyPresetListBox::SwapItems( int index1, int index2 )
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{
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if ( index1 < 0 || index2 < 0 || index1 >= m_items.Count() || index2 >= m_items.Count() )
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{
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return;
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}
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DataItem temp = m_items[index1];
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m_items[index1] = m_items[index2];
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m_items[index2] = temp;
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InvalidateLayout();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Returns the number of items in the listbox
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*/
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int BuyPresetListBox::GetItemCount( void ) const
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{
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return m_items.Count();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Returns the panel in the given index, or NULL
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*/
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Panel * BuyPresetListBox::GetItemPanel(int index) const
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{
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if ( index < 0 || index >= m_items.Count() )
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return NULL;
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return m_items[index].panel;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Returns the userData in the given index, or NULL
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*/
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void * BuyPresetListBox::GetItemUserData(int index)
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{
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if ( index < 0 || index >= m_items.Count() )
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{
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return NULL;
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}
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return m_items[index].userData;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Sets the userData in the given index
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*/
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void BuyPresetListBox::SetItemUserData( int index, void * userData )
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{
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if ( index < 0 || index >= m_items.Count() )
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return;
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m_items[index].userData = userData;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Removes an item from the table (changing the indices of all following items), deleting the panel and userData
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*/
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void BuyPresetListBox::RemoveItem(int index)
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{
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if ( index < 0 || index >= m_items.Count() )
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return;
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DataItem item = m_items[index];
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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.userData )
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{
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delete item.userData;
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}
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m_items.Remove( index );
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InvalidateLayout();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* clears the listbox, deleting all panels and userData
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*/
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void BuyPresetListBox::DeleteAllItems()
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{
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while ( m_items.Count() )
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{
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RemoveItem( 0 );
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}
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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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/**
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* Handles Count changes
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*/
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void BuyPresetListBox::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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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Positions listbox items, etc after internal changes
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*/
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void BuyPresetListBox::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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int visibleIndex = m_visibleIndex;
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//!! need to make it recalculate scroll positions
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m_vbar->SetVisible(true);
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m_vbar->SetEnabled(false);
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m_vbar->SetRange( 0, (MAX( 0, vpixels - tall + m_iDefaultHeight )) );
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m_vbar->SetRangeWindow( m_iDefaultHeight );
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m_vbar->SetButtonPressedScrollValue( m_iDefaultHeight ); // standard height of labels/buttons etc.
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m_vbar->SetPos(wide - m_iScrollbarSize, 1);
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m_vbar->SetSize(m_iScrollbarSize, tall - 2);
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m_visibleIndex = visibleIndex;
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int top = MAX( 0, m_vbar->GetValue() );
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m_pPanelEmbedded->SetPos( 1, -top );
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m_pPanelEmbedded->SetSize( wide-m_iScrollbarSize -2, vpixels );
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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 i;
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for ( i = 0; i < m_items.Count(); i++, y += h )
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{
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// add in a little buffer between panels
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y += m_iPanelBuffer;
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DataItem item = m_items[i];
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h = item.panel->GetTall();
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totalh += h;
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item.panel->SetBounds( 8, y, wide - m_iScrollbarSize - 8 - 8, h );
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item.panel->InvalidateLayout();
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}
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if ( m_visibleIndex >= 0 && m_visibleIndex < m_items.Count() )
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{
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int vpos = 0;
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int tempWide, tempTall;
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GetSize( tempWide, tempTall );
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int vtop, vbottom;
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m_vbar->GetRange( vtop, vbottom );
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int tempTop = MAX( 0, m_vbar->GetValue() ); // top pixel in the embedded panel
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int bottom = tempTop + tempTall - 2;
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int itemTop, itemLeft, itemBottom, itemRight;
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m_items[m_visibleIndex].panel->GetBounds( itemLeft, itemTop, itemRight, itemBottom );
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itemBottom += itemTop;
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itemRight += itemLeft;
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if ( itemTop < tempTop )
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{
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// item's top is too high
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vpos -= ( tempTop - itemTop );
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m_vbar->SetValue(vpos);
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OnSliderMoved(vpos);
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}
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else if ( itemBottom > bottom )
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{
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// item's bottom is too low
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vpos += ( itemBottom - bottom );
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m_vbar->SetValue(vpos);
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OnSliderMoved(vpos);
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}
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}
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if ( m_lastSize == vpixels )
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{
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m_visibleIndex = -1;
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}
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m_lastSize = vpixels;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Try to ensure that the given index is visible
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*/
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void BuyPresetListBox::MakeItemVisible( int index )
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{
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m_visibleIndex = index;
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m_lastSize = 0;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Loads colors, fonts, etc
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*/
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void BuyPresetListBox::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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SetBgColor(GetSchemeColor("BuyPresetListBox.BgColor", GetBgColor(), pScheme));
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SetBorder(pScheme->GetBorder("BrowserBorder"));
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m_vbar->SetBorder(pScheme->GetBorder("BrowserBorder"));
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PerformLayout();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Handles slider being dragged
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*/
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void BuyPresetListBox::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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/**
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* Moves slider to the top
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*/
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void BuyPresetListBox::MoveScrollBarToTop()
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{
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m_vbar->SetValue(0);
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OnSliderMoved(0);
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}
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