//========= Copyright (c) 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose: 
//
// $NoKeywords: $
//=============================================================================

#include "../cl_dll/hud.h"
#include "../cl_dll/cl_util.h"
#include "../cl_dll/vgui_teamfortressviewport.h"

#include "vgui_actionsignal.h"
#include "voice_vgui_tweakdlg.h"
#include "voice_vgui_tweakdlg.h"
#include "vgui_panel.h"
#include "vgui_scrollbar.h"
#include "vgui_slider.h"
#include "ivoicetweak.h"
#include "vgui_button.h"
#include "vgui_checkbutton2.h"
#include "vgui_helpers.h"

#define ITEM_BORDER			40	// Border between text and scrollbars on left and right.
#define VOICETWEAK_TRANSPARENCY		150

class TweakScroller
{
public:
					TweakScroller();
	void				Init( Panel *pParent, char *pText, int yPos );

	// Get/set value. Values are 0-1.
	float				GetValue();
	void				SetValue( float val );

public:	
	Label				m_Label;
	ScrollBar			m_Scroll;
	Slider				m_Slider;
};


class CVoiceVGUITweakDlg : public CMenuPanel, public ICheckButton2Handler
{
typedef CMenuPanel BaseClass;
public:
				CVoiceVGUITweakDlg();
				~CVoiceVGUITweakDlg();

	// CMenuPanel overrides.
	virtual void		Open();
	virtual void		Close();

	// ICheckButton2Handler overrides.
	virtual void		StateChanged(CCheckButton2 *pButton);

	// Panel overrides.
	virtual void		paintBackground();

private:
	int			 m_DlgWidth;
	int			 m_DlgHeight;

	Label			 m_Label;

	IVoiceTweak		*m_pVoiceTweak;		// Engine voice tweak API.

	TweakScroller		 m_MicVolume;
	TweakScroller		 m_SpeakerVolume;

	CCheckButton2		 m_VoiceModEnable;

	Button			 m_Button_OK;
};

bool g_bTweakDlgOpen = false;

bool IsTweakDlgOpen()
{
	return g_bTweakDlgOpen;
}

// ------------------------------------------------------------------------ //
// Global functions.
// ------------------------------------------------------------------------ //
static CVoiceVGUITweakDlg g_VoiceTweakDlg;

CMenuPanel *GetVoiceTweakDlg()
{
	return &g_VoiceTweakDlg;
}

class CVoiceTweakOKButton : public ActionSignal
{
public:
	virtual void actionPerformed( Panel *pPanel )
	{
		gViewPort->HideVGUIMenu();
	}
};

CVoiceTweakOKButton g_OKButtonSignal;

// ------------------------------------------------------------------------ //
// TweakScroller
// ------------------------------------------------------------------------ //
TweakScroller::TweakScroller() :
	m_Label( "" ),
	m_Scroll( 0, 0, 0, 0, false ),
	m_Slider( 0, 0, 10, 10, false )
{
}

void TweakScroller::Init( Panel *pParent, char *pText, int yPos )
{
	int parentWidth, parentHeight;

	pParent->getSize( parentWidth, parentHeight );

	// Setup the volume scroll bar.
	m_Label.setParent( pParent );
	m_Label.setFont( Scheme::sf_primary1 );
	m_Label.setContentAlignment( vgui::Label::a_northwest );
	m_Label.setBgColor( 0, 0, 0, 255 );
	m_Label.setFgColor( 255, 255, 255, 0 );
	m_Label.setPos( ITEM_BORDER, yPos );
	m_Label.setSize( parentWidth / 2 - ITEM_BORDER, 20 );
	m_Label.setText( pText );
	m_Label.setVisible( true );

	m_Slider.setRangeWindow( 10 );
	m_Slider.setRangeWindowEnabled( true );

	m_Scroll.setPos( parentWidth / 2 + ITEM_BORDER, yPos );
	m_Scroll.setSize( parentWidth / 2 - ITEM_BORDER * 2, 20 );
	m_Scroll.setSlider( &m_Slider );
	m_Scroll.setParent( pParent );
	m_Scroll.setRange( 0, 100 );
	m_Scroll.setFgColor( 255, 255, 255, 0 );
	m_Scroll.setBgColor( 255, 255, 255, 0 );
}

float TweakScroller::GetValue()
{
	return m_Scroll.getValue() / 100.0f;
}

void TweakScroller::SetValue( float val )
{
	m_Scroll.setValue( (int)( val * 100.0f ) );
}

// ------------------------------------------------------------------------ //
// CVoiceVGUITweakDlg implementation.
// ------------------------------------------------------------------------ //

CVoiceVGUITweakDlg::CVoiceVGUITweakDlg()
	: CMenuPanel( VOICETWEAK_TRANSPARENCY, false, 0, 0, 0, 0 ),
	m_Button_OK( "", 0, 0 ),
	m_Label( "" )
{
	m_pVoiceTweak = NULL;
	m_Button_OK.addActionSignal( &g_OKButtonSignal );
	m_Label.setBgColor( 255, 255, 255, 200 );
}

CVoiceVGUITweakDlg::~CVoiceVGUITweakDlg()
{
}

void CVoiceVGUITweakDlg::Open()
{
	if( g_bTweakDlgOpen )
		return;
	
	g_bTweakDlgOpen = true;

	m_DlgWidth = ScreenWidth;
	m_DlgHeight = ScreenHeight;

	m_pVoiceTweak = gEngfuncs.pVoiceTweak;

	// Tell the engine to start voice tweak mode (pipe voice output right to speakers).
	m_pVoiceTweak->StartVoiceTweakMode();

	// Set our size.
	setPos( ( ScreenWidth - m_DlgWidth ) / 2, ( ScreenHeight - m_DlgHeight ) / 2 );
	setSize( m_DlgWidth, m_DlgHeight );

	int curY = ITEM_BORDER;
	m_MicVolume.Init( this, gHUD.m_TextMessage.BufferedLocaliseTextString( "#Mic_Volume" ), curY );
	m_MicVolume.SetValue( m_pVoiceTweak->GetControlFloat( MicrophoneVolume ) );
	curY = PanelBottom( &m_MicVolume.m_Label );

	m_SpeakerVolume.Init( this, gHUD.m_TextMessage.BufferedLocaliseTextString( "#Speaker_Volume" ), curY );
	m_SpeakerVolume.SetValue( m_pVoiceTweak->GetControlFloat( OtherSpeakerScale ) );
	curY = PanelBottom( &m_SpeakerVolume.m_Label );

	m_VoiceModEnable.setParent( this );
	m_VoiceModEnable.SetImages( "gfx/vgui/checked.tga", "gfx/vgui/unchecked.tga" );
	m_VoiceModEnable.SetText( "Enable Voice In This Mod" );
	m_VoiceModEnable.setPos( ITEM_BORDER, curY );
	m_VoiceModEnable.SetCheckboxLeft( false );
	m_VoiceModEnable.SetChecked( !!gEngfuncs.pfnGetCvarFloat( "voice_modenable" ) );
	m_VoiceModEnable.SetHandler( this );

	// Setup the OK button.
	int buttonWidth, buttonHeight;

	m_Button_OK.setText( gHUD.m_TextMessage.BufferedLocaliseTextString( "#Menu_OK" ) );
	m_Button_OK.getSize( buttonWidth, buttonHeight );
	m_Button_OK.setPos(( m_DlgWidth - buttonWidth ) / 2, m_DlgHeight - buttonHeight - 3 );
	m_Button_OK.setParent( this );

	// Put the label on the top.
	m_Label.setBgColor( 0, 0, 0, 255 );
	m_Label.setFgColor( 255, 255, 255, 0 );
	m_Label.setText( gHUD.m_TextMessage.BufferedLocaliseTextString( "#Voice_Properties" ) );

	int labelWidth, labelHeight;

	m_Label.getSize( labelWidth, labelHeight );
	m_Label.setPos( ( m_DlgWidth - labelWidth ) / 2, 5 );
	m_Label.setParent( this );

	BaseClass::Open();
}

void CVoiceVGUITweakDlg::Close()
{
	m_pVoiceTweak->EndVoiceTweakMode();
	g_bTweakDlgOpen = false;

	BaseClass::Close();
}

void CVoiceVGUITweakDlg::paintBackground()
{
	BaseClass::paintBackground();

	// Draw our border.
	int w, h;

	getSize( w, h );

	drawSetColor( 128, 128, 128, 1 );
	drawOutlinedRect( 0, 0, w, h );

	float volume = m_MicVolume.GetValue();
	m_pVoiceTweak->SetControlFloat( MicrophoneVolume, volume );

	m_pVoiceTweak->SetControlFloat( OtherSpeakerScale, m_SpeakerVolume.GetValue() );
}


void CVoiceVGUITweakDlg::StateChanged( CCheckButton2 *pButton )
{
	if( pButton == &m_VoiceModEnable )
	{
		if( pButton->IsChecked() )
			gEngfuncs.pfnClientCmd( "voice_modenable 1" );
		else
			gEngfuncs.pfnClientCmd( "voice_modenable 0" );
	}
}