Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include <assert.h>
#include <vgui_controls/ScrollBar.h>
#include <vgui_controls/Label.h>
#include <vgui_controls/Button.h>
#include <KeyValues.h>
#include <vgui/MouseCode.h>
#include <vgui/KeyCode.h>
#include <vgui/IInput.h>
#include <vgui/IScheme.h>
#include <vgui/ISurface.h>
#include "PanelListPanel.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
using namespace vgui;
class VScrollBarReversedButtons : public ScrollBar
{
public:
VScrollBarReversedButtons( Panel *parent, const char *panelName, bool vertical );
virtual void ApplySchemeSettings( IScheme *pScheme );
};
VScrollBarReversedButtons::VScrollBarReversedButtons( Panel *parent, const char *panelName, bool vertical ) : ScrollBar( parent, panelName, vertical )
{
}
void VScrollBarReversedButtons::ApplySchemeSettings( IScheme *pScheme )
{
ScrollBar::ApplySchemeSettings( pScheme );
Button *pButton;
pButton = GetButton( 0 );
pButton->SetArmedColor( pButton->GetSchemeColor("DimBaseText", pScheme), pButton->GetBgColor());
pButton->SetDepressedColor( pButton->GetSchemeColor("DimBaseText", pScheme), pButton->GetBgColor());
pButton->SetDefaultColor( pButton->GetFgColor(), pButton->GetBgColor());
pButton = GetButton( 1 );
pButton->SetArmedColor( pButton->GetSchemeColor("DimBaseText", pScheme), pButton->GetBgColor());
pButton->SetDepressedColor( pButton->GetSchemeColor("DimBaseText", pScheme), pButton->GetBgColor());
pButton->SetDefaultColor( pButton->GetFgColor(), pButton->GetBgColor());
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : x -
// y -
// wide -
// tall -
// Output :
//-----------------------------------------------------------------------------
CPanelListPanel::CPanelListPanel( vgui::Panel *parent, char const *panelName, bool inverseButtons ) : Panel( parent, panelName )
{
SetBounds( 0, 0, 100, 100 );
_sliderYOffset = 0;
if (inverseButtons)
{
_vbar = new VScrollBarReversedButtons(this, "CPanelListPanelVScroll", true );
}
else
{
_vbar = new ScrollBar(this, "CPanelListPanelVScroll", true );
}
_vbar->SetBounds( 0, 0, 20, 20 );
_vbar->SetVisible(false);
_vbar->AddActionSignalTarget( this );
_embedded = new Panel( this, "PanelListEmbedded" );
_embedded->SetBounds( 0, 0, 20, 20 );
_embedded->SetPaintBackgroundEnabled( false );
_embedded->SetPaintBorderEnabled( false );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CPanelListPanel::~CPanelListPanel()
{
// free data from table
DeleteAllItems();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CPanelListPanel::computeVPixelsNeeded( void )
{
int pixels =0;
DATAITEM *item;
Panel *panel;
for ( int i = 0; i < _dataItems.GetCount(); i++ )
{
item = _dataItems[ i ];
if ( !item )
continue;
panel = item->panel;
if ( !panel )
continue;
int w, h;
panel->GetSize( w, h );
pixels += h;
}
pixels+=5; // add a buffer after the last item
return pixels;
}
//-----------------------------------------------------------------------------
// Purpose: Returns the panel to use to render a cell
// Input : column -
// row -
// Output : Panel
//-----------------------------------------------------------------------------
Panel *CPanelListPanel::GetCellRenderer( int row )
{
DATAITEM *item = _dataItems[ row ];
if ( item )
{
Panel *panel = item->panel;
return panel;
}
return NULL;
}
//-----------------------------------------------------------------------------
// Purpose: adds an item to the view
// data->GetName() is used to uniquely identify an item
// data sub items are matched against column header name to be used in the table
// Input : *item -
//-----------------------------------------------------------------------------
int CPanelListPanel::AddItem( Panel *panel )
{
InvalidateLayout();
DATAITEM *newitem = new DATAITEM;
newitem->panel = panel;
panel->SetParent( _embedded );
return _dataItems.PutElement( newitem );
}
//-----------------------------------------------------------------------------
// Purpose:
// Output :
//-----------------------------------------------------------------------------
int CPanelListPanel::GetItemCount( void )
{
return _dataItems.GetCount();
}
//-----------------------------------------------------------------------------
// Purpose: returns pointer to data the row holds
// Input : itemIndex -
// Output : KeyValues
//-----------------------------------------------------------------------------
Panel *CPanelListPanel::GetItem(int itemIndex)
{
if ( itemIndex < 0 || itemIndex >= _dataItems.GetCount() )
return NULL;
return _dataItems[itemIndex]->panel;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : itemIndex -
// Output : DATAITEM
//-----------------------------------------------------------------------------
CPanelListPanel::DATAITEM *CPanelListPanel::GetDataItem( int itemIndex )
{
if ( itemIndex < 0 || itemIndex >= _dataItems.GetCount() )
return NULL;
return _dataItems[ itemIndex ];
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : index -
//-----------------------------------------------------------------------------
void CPanelListPanel::RemoveItem(int itemIndex)
{
DATAITEM *item = _dataItems[ itemIndex ];
delete item->panel;
delete item;
_dataItems.RemoveElementAt(itemIndex);
InvalidateLayout();
}
//-----------------------------------------------------------------------------
// Purpose: clears and deletes all the memory used by the data items
//-----------------------------------------------------------------------------
void CPanelListPanel::DeleteAllItems()
{
for (int i = 0; i < _dataItems.GetCount(); i++)
{
if ( _dataItems[i] )
{
delete _dataItems[i]->panel;
}
delete _dataItems[i];
}
_dataItems.RemoveAll();
InvalidateLayout();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPanelListPanel::OnMouseWheeled(int delta)
{
int val = _vbar->GetValue();
val -= (delta * 3 * 5);
_vbar->SetValue(val);
}
//-----------------------------------------------------------------------------
// Purpose: relayouts out the panel after any internal changes
//-----------------------------------------------------------------------------
void CPanelListPanel::PerformLayout()
{
int wide, tall;
GetSize( wide, tall );
int vpixels = computeVPixelsNeeded();
//!! need to make it recalculate scroll positions
_vbar->SetVisible(true);
_vbar->SetEnabled(false);
_vbar->SetRange( 0, vpixels - tall + 24);
_vbar->SetRangeWindow( 24 /*vpixels / 10*/ );
_vbar->SetButtonPressedScrollValue( 24 );
_vbar->SetPos(wide - 20, _sliderYOffset);
_vbar->SetSize(18, tall - 2 - _sliderYOffset);
_vbar->InvalidateLayout();
int top = _vbar->GetValue();
_embedded->SetPos( 0, -top );
_embedded->SetSize( wide-20, vpixels );
// Now lay out the controls on the embedded panel
int y = 0;
int h = 0;
for ( int i = 0; i < _dataItems.GetCount(); i++, y += h )
{
DATAITEM *item = _dataItems[ i ];
if ( !item || !item->panel )
continue;
h = item->panel->GetTall();
item->panel->SetBounds( 8, y, wide-36, h );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPanelListPanel::PaintBackground()
{
Panel::PaintBackground();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *inResourceData -
//-----------------------------------------------------------------------------
void CPanelListPanel::ApplySchemeSettings(IScheme *pScheme)
{
Panel::ApplySchemeSettings(pScheme);
SetBorder(pScheme->GetBorder("ButtonDepressedBorder"));
SetBgColor(GetSchemeColor("Label.BgColor", GetBgColor(), pScheme));
// _labelFgColor = GetSchemeColor("WindowFgColor");
// _selectionFgColor = GetSchemeColor("ListSelectionFgColor", _labelFgColor);
}
void CPanelListPanel::OnSliderMoved( int position )
{
InvalidateLayout();
Repaint();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CPanelListPanel::SetSliderYOffset( int pixels )
{
_sliderYOffset = pixels;
}