Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include <assert.h>
#define PROTECTED_THINGS_DISABLE
#include <vgui/Cursor.h>
#include <vgui/IScheme.h>
#include <vgui/IInput.h>
#include <vgui/IPanel.h>
#include <vgui/ISurface.h>
#include <vgui/KeyCode.h>
#include <KeyValues.h>
#include <vgui/MouseCode.h>
#include <vgui/IBorder.h>
#include <vgui_controls/TreeViewListControl.h>
#include <vgui_controls/ScrollBar.h>
#include <vgui_controls/TextEntry.h>
#include <vgui_controls/TreeView.h>
#include <vgui_controls/Label.h>
#include <vgui_controls/Button.h>
#include <vgui_controls/TextImage.h>
#include <vgui_controls/ImageList.h>
#include <vgui_controls/ImagePanel.h>
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
using namespace vgui;
DECLARE_BUILD_FACTORY( CTreeViewListControl );
CTreeViewListControl::CTreeViewListControl( vgui::Panel *pParent, const char *pName ) :
BaseClass( pParent, pName )
{
m_pTree = NULL;
m_BorderColor.SetColor( 255, 255, 255, 255 );
m_TitleBarFont = NULL;
m_TitleBarHeight = 20;
SetPostChildPaintEnabled( true );
}
void CTreeViewListControl::SetTreeView( vgui::TreeView *pTree )
{
m_pTree = pTree;
if ( m_pTree )
{
m_pTree->SetParent( this );
m_pTree->SetPaintBackgroundEnabled( false );
}
InvalidateLayout();
}
vgui::TreeView *CTreeViewListControl::GetTree()
{
return m_pTree;
}
int CTreeViewListControl::GetTitleBarHeight()
{
return m_TitleBarHeight;
}
void CTreeViewListControl::SetTitleBarInfo( vgui::HFont hFont, int titleBarHeight )
{
m_TitleBarFont = hFont;
m_TitleBarHeight = titleBarHeight;
InvalidateLayout();
}
void CTreeViewListControl::SetBorderColor( Color clr )
{
m_BorderColor = clr;
}
void CTreeViewListControl::SetNumColumns( int nColumns )
{
m_Columns.Purge();
m_Columns.SetSize( nColumns );
InvalidateLayout();
}
int CTreeViewListControl::GetNumColumns() const
{
return m_Columns.Count();
}
void CTreeViewListControl::SetColumnInfo( int iColumn, const char *pTitle, int width, int ciFlags )
{
if ( iColumn < 0 || iColumn >= m_Columns.Count() )
{
Assert( false );
return;
}
CColumnInfo *pInfo = &m_Columns[iColumn];
pInfo->m_Title = pTitle;
pInfo->m_Width = width;
pInfo->m_ciFlags = ciFlags;
InvalidateLayout();
}
int CTreeViewListControl::GetNumRows()
{
return m_Rows.Count();
}
int CTreeViewListControl::GetTreeItemAtRow( int iRow )
{
if ( iRow < 0 || iRow >= m_Rows.Count() )
return -1;
else
return m_Rows[iRow];
}
void CTreeViewListControl::GetGridElementBounds( int iColumn, int iRow, int &left, int &top, int &right, int &bottom )
{
left = m_Columns[iColumn].m_Left;
right = m_Columns[iColumn].m_Right;
// vgui doesn't seem to be drawing things exactly right. Like it you draw a line at (0,0) to (100,0),
// then a rectangle from (1,1) to (100,100), it'll overwrite the line at the top.
int treeTopBorder = 0;
IBorder *treeBorder = m_pTree->GetBorder();
if ( treeBorder )
{
int l, t, r, b;
treeBorder->GetInset( l, t, r, b );
treeTopBorder = t;
}
if ( iRow == -1 )
{
top = 1;
bottom = m_TitleBarHeight - 2;
}
else if ( m_pTree )
{
int x, y;
m_pTree->GetPos( x, y );
top = treeTopBorder + m_TitleBarHeight + ( iRow * m_pTree->GetRowHeight() );
bottom = top + m_pTree->GetRowHeight();
}
else
{
left = top = right = bottom = 0;
}
}
void CTreeViewListControl::PerformLayout()
{
RecalculateRows();
RecalculateColumns();
// Reposition the tree view.
if ( m_pTree && m_Columns.Count() > 0 )
{
int left, top, right, bottom;
GetGridElementBounds( 0, -1, left, top, right, bottom );
top = m_TitleBarHeight;
m_pTree->SetBounds( left, top, right - left, GetTall() - top );
}
BaseClass::PerformLayout();
}
void CTreeViewListControl::RecalculateRows()
{
m_Rows.Purge();
if ( !m_pTree || m_pTree->GetRootItemIndex() == -1 )
return;
int iRoot = m_pTree->GetRootItemIndex();
RecalculateRows_R( iRoot );
}
void CTreeViewListControl::RecalculateRows_R( int index )
{
m_Rows.AddToTail( index );
if ( !m_pTree->IsItemExpanded( index ) )
return;
int nChildren = m_pTree->GetNumChildren( index );
for ( int i=0; i < nChildren; i++ )
{
int iChild = m_pTree->GetChild( index, i );
RecalculateRows_R( iChild );
}
}
int CTreeViewListControl::GetScrollBarSize()
{
return 0;
}
void CTreeViewListControl::RecalculateColumns()
{
int rightEdge = GetWide()-1 - GetScrollBarSize();
int x = 0;
int c = m_Columns.Count();
for ( int i=0; i < c; i++ )
{
m_Columns[i].m_Left = x + 1;
int cw = m_Columns[i].m_Width;
if ( i == c - 1 )
{
cw = rightEdge - x - 2;
}
m_Columns[i].m_Right = x + cw - 2;
x += cw;
}
}
void CTreeViewListControl::PostChildPaint()
{
BaseClass::PostChildPaint();
// Draw the grid lines.
vgui::surface()->DrawSetColor( m_BorderColor );
if ( m_Columns.Count() <= 0 )
return;
// Draw the horizontal lines.
int endX = 0;
endX = m_Columns[m_Columns.Count()-1].m_Right + 1;
int bottomY = 0;
for ( int i=0; i < m_Rows.Count(); i++ )
{
int left, top, right, bottom;
GetGridElementBounds( 0, i, left, top, right, bottom );
bottomY = bottom;
vgui::surface()->DrawLine( 0, bottomY, endX, bottomY );
}
// Draw the vertical lines.
int curX = 0;
for ( int i=0; i < m_Columns.Count(); i++ )
{
vgui::surface()->DrawLine( curX, 0, curX, bottomY );
curX += m_Columns[i].m_Width;
}
vgui::surface()->DrawLine( curX, 0, curX, bottomY );
}
void CTreeViewListControl::Paint()
{
BaseClass::Paint();
// Draw the title bars.
DrawTitleBars();
}
void CTreeViewListControl::DrawTitleBars()
{
int rightEdge = GetWide();
for ( int i=0; i < m_Columns.Count(); i++ )
{
int left, top, right, bottom;
GetGridElementBounds( i, -1, left, top, right, bottom );
if ( left >= rightEdge )
continue;
vgui::surface()->DrawSetColor( 0, 0, 0, 255 );
vgui::surface()->DrawFilledRect( left, top, right, bottom );
vgui::surface()->DrawSetTextColor( 255, 255, 255, 255 );
const char *pTitleString = m_Columns[i].m_Title.String();
wchar_t unicodeString[1024];
g_pVGuiLocalize->ConvertANSIToUnicode( pTitleString, unicodeString, sizeof(unicodeString) );
int wide, tall;
surface()->GetTextSize( m_TitleBarFont, unicodeString, wide, tall );
surface()->DrawSetTextFont( m_TitleBarFont );
if ( m_Columns[i].m_ciFlags & CTreeViewListControl::CI_HEADER_LEFTALIGN )
{
int midy = (top+bottom)/2;
surface()->DrawSetTextPos( left, midy );
}
else
{
int textRight = min( right, rightEdge );
int midx = (left+textRight)/2;
int midy = (top+bottom)/2;
surface()->DrawSetTextPos( midx - wide/2, midy - tall/2 );
}
surface()->DrawPrintText( unicodeString, strlen( pTitleString ) );
}
}