1

hammer/targetnamecombo.cpp

@@ -0,0 +1,199 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Implements an autoselection combo box that color codes the text
+//			based on whether the current selection represents a single entity,
+//			multiple entities, or an unresolved entity targetname.
+//
+//			The fonts are as follows:
+//
+//			Single entity		black, normal weight
+//			Multiple entities	black, bold
+//			Unresolved			red, normal weight
+//
+//=============================================================================//
+
+#include "stdafx.h"
+#include "MapEntity.h"
+#include "TargetNameCombo.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+
+#pragma warning( disable : 4355 )
+
+
+BEGIN_MESSAGE_MAP(CTargetNameComboBox, CFilteredComboBox)
+	//{{AFX_MSG_MAP(CTargetNameComboBox)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CTargetNameComboBox::CTargetNameComboBox( CFilteredComboBox::ICallbacks *pPassThru ) : 
+	BaseClass( this )
+{
+	m_pEntityList = NULL;
+	m_pPassThru = pPassThru;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Frees allocated memory.
+//-----------------------------------------------------------------------------
+CTargetNameComboBox::~CTargetNameComboBox(void)
+{
+	FreeSubLists();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTargetNameComboBox::FreeSubLists(void)
+{
+	POSITION pos = m_SubLists.GetHeadPosition();
+	while (pos != NULL)
+	{
+		CMapEntityList *pList = m_SubLists.GetNext(pos);
+		delete pList;
+	}
+
+	m_SubLists.RemoveAll();
+}
+
+
+void CTargetNameComboBox::CreateFonts()
+{
+	//
+	// Create a normal and bold font.
+	//
+	if (!m_BoldFont.m_hObject)
+	{
+		CFont &nf = GetNormalFont();
+		
+		if ( nf.m_hObject )
+		{
+			LOGFONT LogFont;
+			nf.GetLogFont(&LogFont);
+			LogFont.lfWeight = FW_BOLD;
+			m_BoldFont.CreateFontIndirect(&LogFont);
+		}
+	}
+}
+
+
+CTargetNameComboBox* CTargetNameComboBox::Create( CFilteredComboBox::ICallbacks *pCallbacks, DWORD dwStyle, RECT rect, CWnd *pParentWnd, UINT nID )
+{
+	CTargetNameComboBox *pRet = new CTargetNameComboBox( pCallbacks );
+	pRet->BaseClass::Create( dwStyle, rect, pParentWnd, nID );
+	return pRet;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Attaches an entity list to the combo box. This list will be used
+//			for matching targetnames to entities in the world.
+// Input  : pEntityList - The beauty of Hungarian notation and meaningful naming
+//				makes this comment utterly unnecessary.
+//-----------------------------------------------------------------------------
+void CTargetNameComboBox::SetEntityList(const CMapEntityList *pEntityList)
+{
+	// We want all notifications, even if the current text doesn't match an exact entity name.
+	SetOnlyProvideSuggestions( false );
+	
+	// Setup the list.
+	m_pEntityList = pEntityList;
+
+	FreeSubLists();
+
+	m_EntityLists.RemoveAll();
+
+	if (m_pEntityList != NULL)
+	{
+		FOR_EACH_OBJ( *m_pEntityList, pos )
+		{
+			CMapEntity *pEntity = m_pEntityList->Element(pos);
+			const char *pszTargetName = pEntity->GetKeyValue("targetname");
+			if (pszTargetName != NULL)
+			{
+				//
+				// If the targetname is not in the combo box, add it to the combo as the
+				// first entry in an entity list. The list is necessary because there
+				// may be several entities in the map with the same targetname.
+				//
+				int nIndex = m_EntityLists.Find( pszTargetName );
+				if (nIndex == m_EntityLists.InvalidIndex())
+				{
+					CMapEntityList *pList = new CMapEntityList;
+					pList->AddToTail(pEntity);
+
+					m_EntityLists.Insert( pszTargetName, pList );
+
+					//
+					// Keep track of all the sub lists so we can delete them later.
+					//
+					m_SubLists.AddTail(pList);
+				}
+				//
+				// Else append the entity to the given targetname's list.
+				//
+				else
+				{
+					CMapEntityList *pList = m_EntityLists[nIndex];
+					pList->AddToTail(pEntity);
+				}
+			}
+		}
+	}
+
+	// Setup the suggestions.
+	CUtlVector<CString> suggestions;
+	for ( int i=m_EntityLists.First(); i != m_EntityLists.InvalidIndex(); i=m_EntityLists.Next( i ) )
+	{
+		suggestions.AddToTail( m_EntityLists.GetElementName( i ) );
+	}
+	SetSuggestions( suggestions );
+}
+
+
+CMapEntityList* CTargetNameComboBox::GetSubEntityList( const char *pName )
+{
+	int testIndex = m_EntityLists.Find( pName );
+	if ( testIndex != m_EntityLists.InvalidIndex() )
+	{
+		return m_EntityLists[testIndex];
+	}
+	
+	return NULL;	
+}
+
+
+void CTargetNameComboBox::OnTextChanged( const char *pText )
+{
+	// Make sure our fonts are created.
+	CreateFonts();
+	
+	// Update the fonts.
+	int nCount = 0;
+	CMapEntityList *pList = GetSubEntityList( pText );
+	if ( pList )
+		nCount = pList->Count();
+	
+	// Figure out the font and color that we want.
+	CFont *pWantedFont = &m_BoldFont;
+	if ( (nCount == 0) || (nCount == 1) )
+		pWantedFont = &GetNormalFont();
+
+	COLORREF clrWanted = RGB(255,0,0);
+	if ( nCount > 0 )
+		clrWanted = RGB(0,0,0);
+
+	SetEditControlFont( *pWantedFont );
+	SetEditControlTextColor( clrWanted );
+
+	// Pass it through to the owner if they want notification.
+	if ( m_pPassThru )
+		m_pPassThru->OnTextChanged( pText );	
+}