Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "vguitextwindow.h"
#include <networkstringtabledefs.h>
#include <cdll_client_int.h>
#include <clientmode_shared.h>
#include <vgui/IScheme.h>
#include <vgui/ILocalize.h>
#include <vgui/ISurface.h>
#include <filesystem.h>
#include <KeyValues.h>
#include <convar.h>
#include <vgui_controls/ImageList.h>
#include <vgui_controls/TextEntry.h>
#include <vgui_controls/Button.h>
#include <game/client/iviewport.h>
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
using namespace vgui;
extern INetworkStringTable *g_pStringTableInfoPanel;
#define TEMP_HTML_FILE "textwindow_temp.html"
ConVar cl_disablehtmlmotd( "cl_disablehtmlmotd", "0", FCVAR_ARCHIVE, "Disable HTML motds." );
//=============================================================================
// HPE_BEGIN:
// [Forrest] Replaced text window command string with TEXTWINDOW_CMD enumeration
// of options. Passing a command string is dangerous and allowed a server network
// message to run arbitrary commands on the client.
//=============================================================================
CON_COMMAND( showinfo, "Shows a info panel: <type> <title> <message> [<command number>]" )
{
if ( !gViewPortInterface )
return;
if ( args.ArgC() < 4 )
return;
IViewPortPanel * panel = gViewPortInterface->FindPanelByName( PANEL_INFO );
if ( panel )
{
KeyValues *kv = new KeyValues("data");
kv->SetInt( "type", Q_atoi(args[ 1 ]) );
kv->SetString( "title", args[ 2 ] );
kv->SetString( "message", args[ 3 ] );
if ( args.ArgC() == 5 )
kv->SetString( "command", args[ 4 ] );
panel->SetData( kv );
gViewPortInterface->ShowPanel( panel, true );
kv->deleteThis();
}
else
{
Msg("Couldn't find info panel.\n" );
}
}
//=============================================================================
// HPE_END
//=============================================================================
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CTextWindow::CTextWindow(IViewPort *pViewPort) : Frame(NULL, PANEL_INFO )
{
// initialize dialog
m_pViewPort = pViewPort;
// SetTitle("", true);
m_szTitle[0] = '\0';
m_szMessage[0] = '\0';
m_szMessageFallback[0] = '\0';
m_nExitCommand = TEXTWINDOW_CMD_NONE;
m_bShownURL = false;
m_bUnloadOnDismissal = false;
// load the new scheme early!!
SetScheme("ClientScheme");
SetMoveable(false);
SetSizeable(false);
SetProportional(true);
// hide the system buttons
SetTitleBarVisible( false );
m_pTextMessage = new TextEntry( this, "TextMessage" );
m_pHTMLMessage = new CMOTDHTML( this,"HTMLMessage" );
m_pTitleLabel = new Label( this, "MessageTitle", "Message Title" );
m_pOK = new Button(this, "ok", "#PropertyDialog_OK");
m_pOK->SetCommand("okay");
m_pTextMessage->SetMultiline( true );
m_nContentType = TYPE_TEXT;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTextWindow::ApplySchemeSettings( IScheme *pScheme )
{
BaseClass::ApplySchemeSettings( pScheme );
LoadControlSettings("Resource/UI/TextWindow.res");
Reset();
}
//-----------------------------------------------------------------------------
// Purpose: Destructor
//-----------------------------------------------------------------------------
CTextWindow::~CTextWindow()
{
// remove temp file again
g_pFullFileSystem->RemoveFile( TEMP_HTML_FILE, "DEFAULT_WRITE_PATH" );
}
void CTextWindow::Reset( void )
{
//=============================================================================
// HPE_BEGIN:
// [Forrest] Replace strange hard-coded default message with hard-coded error message.
//=============================================================================
V_strcpy_safe( m_szTitle, "Error loading info message." );
V_strcpy_safe( m_szMessage, "" );
V_strcpy_safe( m_szMessageFallback, "" );
//=============================================================================
// HPE_END
//=============================================================================
m_nExitCommand = TEXTWINDOW_CMD_NONE;
m_nContentType = TYPE_TEXT;
m_bShownURL = false;
m_bUnloadOnDismissal = false;
Update();
}
void CTextWindow::ShowText( const char *text )
{
m_pTextMessage->SetVisible( true );
m_pTextMessage->SetText( text );
m_pTextMessage->GotoTextStart();
}
void CTextWindow::ShowURL( const char *URL, bool bAllowUserToDisable )
{
#ifdef _DEBUG
Msg( "CTextWindow::ShowURL( %s )\n", URL );
#endif
ClientModeShared *mode = ( ClientModeShared * )GetClientModeNormal();
if ( ( bAllowUserToDisable && cl_disablehtmlmotd.GetBool() ) || !mode->IsHTMLInfoPanelAllowed() )
{
Warning( "Blocking HTML info panel '%s'; Using plaintext instead.\n", URL );
// User has disabled HTML TextWindows. Show the fallback as text only.
if ( g_pStringTableInfoPanel )
{
int index = g_pStringTableInfoPanel->FindStringIndex( "motd_text" );
if ( index != ::INVALID_STRING_INDEX )
{
int length = 0;
const char *data = (const char *)g_pStringTableInfoPanel->GetStringUserData( index, &length );
if ( data && data[0] )
{
m_pHTMLMessage->SetVisible( false );
ShowText( data );
}
}
}
return;
}
m_pHTMLMessage->SetVisible( true );
m_pHTMLMessage->OpenURL( URL, NULL );
m_bShownURL = true;
}
void CTextWindow::ShowIndex( const char *entry )
{
const char *data = NULL;
int length = 0;
if ( NULL == g_pStringTableInfoPanel )
return;
int index = g_pStringTableInfoPanel->FindStringIndex( m_szMessage );
if ( index != ::INVALID_STRING_INDEX )
data = (const char *)g_pStringTableInfoPanel->GetStringUserData( index, &length );
if ( !data || !data[0] )
return; // nothing to show
// is this a web URL ?
if ( !Q_strncmp( data, "http://", 7 ) || !Q_strncmp( data, "https://", 8 ) )
{
ShowURL( data );
return;
}
// try to figure out if this is HTML or not
if ( data[0] != '<' )
{
ShowText( data );
return;
}
// data is a HTML, we have to write to a file and then load the file
FileHandle_t hFile = g_pFullFileSystem->Open( TEMP_HTML_FILE, "wb", "DEFAULT_WRITE_PATH" );
if ( hFile == FILESYSTEM_INVALID_HANDLE )
return;
g_pFullFileSystem->Write( data, length, hFile );
g_pFullFileSystem->Close( hFile );
if ( g_pFullFileSystem->Size( TEMP_HTML_FILE ) != (unsigned int)length )
return; // something went wrong while writing
ShowFile( TEMP_HTML_FILE );
}
void CTextWindow::ShowFile( const char *filename )
{
if ( Q_stristr( filename, ".htm" ) || Q_stristr( filename, ".html" ) )
{
// it's a local HTML file
char localURL[ _MAX_PATH + 7 ];
Q_strncpy( localURL, "file://", sizeof( localURL ) );
char pPathData[ _MAX_PATH ];
g_pFullFileSystem->GetLocalPath( filename, pPathData, sizeof(pPathData) );
Q_strncat( localURL, pPathData, sizeof( localURL ), COPY_ALL_CHARACTERS );
ShowURL( localURL );
}
else
{
// read from local text from file
FileHandle_t f = g_pFullFileSystem->Open( m_szMessage, "rb", "GAME" );
if ( !f )
return;
char buffer[2048];
int size = MIN( g_pFullFileSystem->Size( f ), sizeof(buffer)-1 ); // just allow 2KB
g_pFullFileSystem->Read( buffer, size, f );
g_pFullFileSystem->Close( f );
buffer[size]=0; //terminate string
ShowText( buffer );
}
}
void CTextWindow::Update( void )
{
SetTitle( m_szTitle, false );
m_pTitleLabel->SetText( m_szTitle );
if ( m_pHTMLMessage )
m_pHTMLMessage->SetVisible( false );
m_pTextMessage->SetVisible( false );
if ( m_nContentType == TYPE_INDEX )
{
ShowIndex( m_szMessage );
}
else if ( m_nContentType == TYPE_URL )
{
if ( !Q_strncmp( m_szMessage, "http://", 7 ) || !Q_strncmp( m_szMessage, "https://", 8 ) || !Q_stricmp( m_szMessage, "about:blank" ) )
{
ShowURL( m_szMessage );
}
else
{
// We should have trapped this at a higher level
Assert( !"URL protocol is missing or blocked" );
}
}
else if ( m_nContentType == TYPE_FILE )
{
ShowFile( m_szMessage );
}
else if ( m_nContentType == TYPE_TEXT )
{
ShowText( m_szMessage );
}
else
{
DevMsg("CTextWindow::Update: unknown content type %i\n", m_nContentType );
}
}
void CTextWindow::OnCommand( const char *command )
{
if (!Q_strcmp(command, "okay"))
{
//=============================================================================
// HPE_BEGIN:
// [Forrest] Replaced text window command string with TEXTWINDOW_CMD enumeration
// of options. Passing a command string is dangerous and allowed a server network
// message to run arbitrary commands on the client.
//=============================================================================
const char *pszCommand = NULL;
switch ( m_nExitCommand )
{
case TEXTWINDOW_CMD_NONE:
break;
case TEXTWINDOW_CMD_JOINGAME:
pszCommand = "joingame";
break;
case TEXTWINDOW_CMD_CHANGETEAM:
pszCommand = "changeteam";
break;
case TEXTWINDOW_CMD_IMPULSE101:
pszCommand = "impulse 101";
break;
case TEXTWINDOW_CMD_MAPINFO:
pszCommand = "mapinfo";
break;
case TEXTWINDOW_CMD_CLOSED_HTMLPAGE:
pszCommand = "closed_htmlpage";
break;
case TEXTWINDOW_CMD_CHOOSETEAM:
pszCommand = "chooseteam";
break;
default:
DevMsg("CTextWindow::OnCommand: unknown exit command value %i\n", m_nExitCommand );
break;
}
if ( pszCommand != NULL )
{
engine->ClientCmd_Unrestricted( pszCommand );
}
//=============================================================================
// HPE_END
//=============================================================================
m_pViewPort->ShowPanel( this, false );
}
BaseClass::OnCommand(command);
}
void CTextWindow::OnKeyCodePressed( vgui::KeyCode code )
{
if ( code == KEY_XBUTTON_A || code == KEY_XBUTTON_B || code == STEAMCONTROLLER_A || code == STEAMCONTROLLER_B )
{
OnCommand( "okay" );
return;
}
BaseClass::OnKeyCodePressed(code);
}
void CTextWindow::SetData(KeyValues *data)
{
SetData( data->GetInt( "type" ), data->GetString( "title" ), data->GetString( "msg" ), data->GetString( "msg_fallback" ), data->GetInt( "cmd" ), data->GetBool( "unload" ) );
}
void CTextWindow::SetData( int type, const char *title, const char *message, const char *message_fallback, int command, bool bUnload )
{
Q_strncpy( m_szTitle, title, sizeof( m_szTitle ) );
Q_strncpy( m_szMessage, message, sizeof( m_szMessage ) );
Q_strncpy( m_szMessageFallback, message_fallback, sizeof( m_szMessageFallback ) );
m_nExitCommand = command;
m_nContentType = type;
m_bUnloadOnDismissal = bUnload;
Update();
}
void CTextWindow::ShowPanel( bool bShow )
{
if ( BaseClass::IsVisible() == bShow )
return;
m_pViewPort->ShowBackGround( bShow );
if ( bShow )
{
Activate();
SetMouseInputEnabled( true );
}
else
{
SetVisible( false );
SetMouseInputEnabled( false );
if ( m_bUnloadOnDismissal && m_bShownURL && m_pHTMLMessage )
{
m_pHTMLMessage->OpenURL( "about:blank", NULL );
m_bShownURL = false;
}
}
}
bool CTextWindow::CMOTDHTML::OnStartRequest( const char *url, const char *target, const char *pchPostData, bool bIsRedirect )
{
if ( Q_strstr( url, "steam://" ) )
return false;
return BaseClass::OnStartRequest( url, target, pchPostData, bIsRedirect );
}