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vgui2/src/keyrepeat.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "inputsystem/InputEnums.h"
+
+#include "vgui/KeyCode.h"
+#include "vgui/keyrepeat.h"
+#include "tier0/dbg.h"
+
+// memdbgon must be the last include file in a .cpp file
+#include "tier0/memdbgon.h"
+
+//#define DEBUG_REPEATS
+
+#ifdef DEBUG_REPEATS
+#define DbgRepeat(...) ConMsg( __VA_ARGS__ )
+#else
+#define DbgRepeat(...) 
+#endif
+
+using namespace vgui;
+
+vgui::KeyCode g_iCodesForAliases[FM_NUM_KEYREPEAT_ALIASES] = 
+{
+	KEY_XBUTTON_UP,
+	KEY_XBUTTON_DOWN,
+	KEY_XBUTTON_LEFT,
+	KEY_XBUTTON_RIGHT
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Map joystick codes to our internal ones
+//-----------------------------------------------------------------------------
+static int GetIndexForCode( vgui::KeyCode code )
+{ 
+	KeyCode localCode = GetBaseButtonCode( code );
+
+	switch ( localCode )
+	{
+	case KEY_XBUTTON_DOWN: 
+	case KEY_XSTICK1_DOWN:
+	case KEY_XSTICK2_DOWN:
+		return KR_ALIAS_DOWN; break;
+	case KEY_XBUTTON_UP: 
+	case KEY_XSTICK1_UP:
+	case KEY_XSTICK2_UP:
+		return KR_ALIAS_UP; break;
+	case KEY_XBUTTON_LEFT: 
+	case KEY_XSTICK1_LEFT:
+	case KEY_XSTICK2_LEFT:
+		return KR_ALIAS_LEFT; break;
+	case KEY_XBUTTON_RIGHT: 
+	case KEY_XSTICK1_RIGHT:
+	case KEY_XSTICK2_RIGHT:
+		return KR_ALIAS_RIGHT; break;
+	default:
+		break;
+	}
+	return -1;
+}
+
+//-----------------------------------------------------------------------------
+CKeyRepeatHandler::CKeyRepeatHandler()
+{
+	Reset();
+	for ( int i = 0; i < FM_NUM_KEYREPEAT_ALIASES; i++ )
+	{
+		m_flRepeatTimes[i] = 0.16;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Clear all state
+//-----------------------------------------------------------------------------
+void CKeyRepeatHandler::Reset() 
+{ 
+	DbgRepeat( "KeyRepeat: Reset\n" );
+
+	memset( m_bAliasDown, 0, sizeof( m_bAliasDown ) ); 
+	m_bHaveKeyDown = false; 
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CKeyRepeatHandler::KeyDown( vgui::KeyCode code )
+{
+	int joyStick = GetJoystickForCode( code );
+	int iIndex = GetIndexForCode(code);
+	if ( iIndex == -1 )
+		return;
+
+	if ( m_bAliasDown[ joyStick ][ iIndex ] )
+		return;
+
+	DbgRepeat( "KeyRepeat: KeyDown %d(%d)\n", joyStick, iIndex );
+
+	Reset();
+	m_bAliasDown[ joyStick ][ iIndex ] = true;
+	m_flNextKeyRepeat[ joyStick ] = Plat_FloatTime() + 0.4;
+	m_bHaveKeyDown = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CKeyRepeatHandler::KeyUp( vgui::KeyCode code )
+{
+	int joyStick = GetJoystickForCode( code );
+	int iIndex = GetIndexForCode(code);
+	if ( iIndex == -1 )
+		return;
+
+	DbgRepeat( "KeyRepeat: KeyUp %d(%d)\n", joyStick, iIndex );
+
+	m_bAliasDown[ joyStick ][ iIndex ] = false;
+
+	m_bHaveKeyDown = false;
+	for ( int i = 0; i < FM_NUM_KEYREPEAT_ALIASES; i++ )
+	{
+		for ( int j = 0; j < MAX_JOYSTICKS; j++ )
+		{
+			if ( m_bAliasDown[ j ][ i ] )
+			{
+				m_bHaveKeyDown = true;
+				break;
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+vgui::KeyCode CKeyRepeatHandler::KeyRepeated( void )
+{
+	if ( IsPC() )
+		return BUTTON_CODE_NONE;
+
+	if ( !m_bHaveKeyDown )
+		return BUTTON_CODE_NONE;
+
+	float currentTime = Plat_FloatTime();
+
+	for ( int j = 0; j < MAX_JOYSTICKS; j++ )
+	{
+		if ( m_flNextKeyRepeat[ j ] < currentTime )
+		{
+			for ( int i = 0; i < FM_NUM_KEYREPEAT_ALIASES; i++ )
+			{
+				if ( m_bAliasDown[ j ][ i ] )
+				{
+					m_flNextKeyRepeat[ j ] = currentTime + m_flRepeatTimes[i];
+					DbgRepeat( "KeyRepeat: Repeat %d(%d)\n", j, i );
+
+					return ButtonCodeToJoystickButtonCode( g_iCodesForAliases[i], j );
+				}
+			}
+		}
+	}
+
+	return BUTTON_CODE_NONE;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CKeyRepeatHandler::SetKeyRepeatTime( vgui::KeyCode code, float flRepeat )
+{
+	int iIndex = GetIndexForCode(code);
+	Assert( iIndex != -1 );
+	m_flRepeatTimes[ iIndex ] = flRepeat;
+}