From 3bf9df6b2785fa6d951086978a3e66f49427166a Mon Sep 17 00:00:00 2001
From: FluorescentCIAAfricanAmerican <0934gj3049fk@protonmail.com>
Date: Wed, 22 Apr 2020 12:56:21 -0400
Subject: 1

---
 engine/vgui_helpers.cpp | 174 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 engine/vgui_helpers.cpp

(limited to 'engine/vgui_helpers.cpp')

diff --git a/engine/vgui_helpers.cpp b/engine/vgui_helpers.cpp
new file mode 100644
index 0000000..f670a0c
--- /dev/null
+++ b/engine/vgui_helpers.cpp
@@ -0,0 +1,174 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "client_pch.h"
+
+#include "vgui_helpers.h"
+#include <vgui_controls/TreeView.h>
+#include <vgui_controls/ListPanel.h>
+#include <vgui/ILocalize.h>
+#include <vgui/ISystem.h>
+#include "KeyValues.h"
+#include "convar.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+CConVarCheckButton::CConVarCheckButton( vgui::Panel *parent, const char *panelName, const char *text ) : 
+	vgui::CheckButton( parent, panelName, text )
+{
+	m_pConVar = NULL;
+}
+
+void CConVarCheckButton::SetConVar( ConVar *pVar )
+{
+	m_pConVar = pVar;
+	SetSelected( m_pConVar->GetBool() );
+}
+
+void CConVarCheckButton::SetSelected( bool state )
+{
+	BaseClass::SetSelected( state );
+	
+	m_pConVar->SetValue( state );
+}
+
+
+void IncrementalUpdateTree_R( 
+	vgui::TreeView *pTree, 
+	int iCurTreeNode,
+	KeyValues *pValues,
+	bool &bChanges,
+	UpdateItemStateFn fn )
+{
+	// Add new items.
+	int iCurChild = 0;
+	int nChildren = pTree->GetNumChildren( iCurTreeNode );
+	KeyValues *pSub = pValues->GetFirstSubKey();
+
+	while ( iCurChild < nChildren || pSub )
+	{
+		// The items in the tree are keyed by the panel pointer.
+		if ( pSub )
+		{
+			const char *pSubText = pSub->GetString( "Text", NULL );
+			if ( pSubText )
+			{
+				if ( iCurChild < nChildren )
+				{
+					// Compare the items here.
+					int iChildItemId = pTree->GetChild( iCurTreeNode, iCurChild );
+					
+					if ( fn( pTree, iChildItemId, pSub ) )
+						bChanges = true;
+
+					IncrementalUpdateTree_R( pTree, iChildItemId, pSub, bChanges, fn );
+				}
+				else
+				{
+					// This means that the KeyValues has an extra node..
+					bChanges = true;
+					int iChildItemId = pTree->AddItem( pSub, iCurTreeNode );
+					
+					if ( fn( pTree, iChildItemId, pSub ) )
+						bChanges = true;
+
+					IncrementalUpdateTree_R( pTree, iChildItemId, pSub, bChanges, fn );
+				}
+				
+				++iCurChild;
+			}
+
+			pSub = pSub->GetNextKey();
+		}
+		else
+		{
+			// This means that the tree view has extra ones at the end. Get rid of them.
+			int iChildItemId = pTree->GetChild( iCurTreeNode, iCurChild );
+			--nChildren;
+			bChanges = true;
+
+			// HACK: I put a hack in there so if you give a negative number for the item, it'll 
+			// delete the panels immediately. This gets around a bug in the TreeView where the
+			// panels don't always get deleted when using MarkPanelForDeletion.
+			pTree->RemoveItem( -iChildItemId, false );
+		}
+	}
+}
+
+
+bool IncrementalUpdateTree( 
+	vgui::TreeView *pTree, 
+	KeyValues *pValues,
+	UpdateItemStateFn fn,
+	int iRoot )
+{
+	if ( iRoot == -1 )
+	{
+		iRoot = pTree->GetRootItemIndex();
+		if ( iRoot == -1 )
+		{
+			// Add a root if there isn't one yet.
+			KeyValues *pTempValues = new KeyValues( "" );
+			pTempValues->SetString( "Text", "" );
+			iRoot = pTree->AddItem( pTempValues, iRoot );
+			pTempValues->deleteThis();
+		}
+	}
+
+	bool bChanges = false;
+	IncrementalUpdateTree_R( pTree, iRoot, pValues, bChanges, fn );
+	return bChanges;
+}
+
+
+void CopyListPanelToClipboard( vgui::ListPanel *pListPanel )
+{
+	CUtlVector<char> textBuf;
+
+	// Write the headers.
+	int nColumns = pListPanel->GetNumColumnHeaders();
+	for ( int i=0; i < nColumns; i++ )
+	{
+		if ( i != 0 )
+			textBuf.AddToTail( '\t' );
+		
+		char tempText[512];
+		if ( !pListPanel->GetColumnHeaderText( i, tempText, sizeof( tempText ) ) )
+			Error( "GetColumHeaderText( %d ) failed", i );
+		
+		textBuf.AddMultipleToTail( strlen( tempText ), tempText );
+	}
+	textBuf.AddToTail( '\n' );
+
+	// Now write the rows.
+	int iCur = pListPanel->FirstItem();
+	while ( iCur != pListPanel->InvalidItemID() )
+	{
+		// Write the columns for this row.
+		for ( int i=0; i < nColumns; i++ )
+		{
+			if ( i != 0 )
+				textBuf.AddToTail( '\t' );
+		
+			wchar_t tempTextWC[512];
+			char tempText[512];
+
+			pListPanel->GetCellText( iCur, i, tempTextWC, sizeof( tempTextWC ) );
+			g_pVGuiLocalize->ConvertUnicodeToANSI( tempTextWC, tempText, sizeof( tempText ) );
+
+			textBuf.AddMultipleToTail( strlen( tempText ), tempText );
+		}
+		textBuf.AddToTail( '\n' );
+
+		iCur = pListPanel->NextItem( iCur );
+	}
+	textBuf.AddToTail( 0 );
+
+	// Set the clipboard text.
+	vgui::system()->SetClipboardText( textBuf.Base(), textBuf.Count() );
+}
-- 
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