mirror of
https://github.com/nillerusr/source-engine.git
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99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Linux/Android touch implementation for inputsystem
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//
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//===========================================================================//
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/* For force feedback testing. */
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#include "inputsystem.h"
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#include "tier1/convar.h"
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#include "tier0/icommandline.h"
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#include "SDL.h"
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#include "SDL_touch.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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//-----------------------------------------------------------------------------
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// Handle the events coming from the Touch SDL subsystem.
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//-----------------------------------------------------------------------------
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int TouchSDLWatcher( void *userInfo, SDL_Event *event )
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{
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CInputSystem *pInputSystem = (CInputSystem *)userInfo;
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SDL_Window *window = SDL_GetWindowFromID(event->tfinger.windowID);
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if( !window )
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return 0;
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int width, height;
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width = height = 0;
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SDL_GetWindowSize(window, &width, &height);
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switch ( event->type ) {
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case SDL_FINGERDOWN:
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pInputSystem->FingerDown( event->tfinger.fingerId, event->tfinger.x*width, event->tfinger.y*height );
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break;
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case SDL_FINGERUP:
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pInputSystem->FingerUp( event->tfinger.fingerId, event->tfinger.x*width, event->tfinger.y*height );
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break;
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case SDL_FINGERMOTION:
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pInputSystem->FingerMotion( event->tfinger.fingerId, event->tfinger.x*width, event->tfinger.y*height );
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break;
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}
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return 1;
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}
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//-----------------------------------------------------------------------------
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// Initialize all joysticks
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//-----------------------------------------------------------------------------
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void CInputSystem::InitializeTouch( void )
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{
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if ( m_bTouchInitialized )
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ShutdownTouch();
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// abort startup if user requests no touch
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if ( CommandLine()->FindParm("-notouch") ) return;
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m_bJoystickInitialized = true;
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SDL_AddEventWatch(TouchSDLWatcher, this);
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}
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void CInputSystem::ShutdownTouch()
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{
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if ( !m_bTouchInitialized )
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return;
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SDL_DelEventWatch( TouchSDLWatcher, this );
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m_bTouchInitialized = false;
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}
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void CInputSystem::FingerDown(int fingerId, int x, int y)
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{
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m_touchAccumEvent = IE_FingerDown;
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m_touchAccumFingerId = fingerId;
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m_touchAccumX = x;
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m_touchAccumY = y;
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PostEvent(IE_FingerDown, m_nLastSampleTick, fingerId, x, y);
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}
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void CInputSystem::FingerUp(int fingerId, int x, int y)
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{
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m_touchAccumEvent = IE_FingerUp;
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m_touchAccumFingerId = fingerId;
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m_touchAccumX = x;
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m_touchAccumY = y;
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PostEvent(IE_FingerUp, m_nLastSampleTick, fingerId, x, y);
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}
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void CInputSystem::FingerMotion(int fingerId, int x, int y)
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{
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m_touchAccumEvent = IE_FingerMotion;
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m_touchAccumFingerId = fingerId;
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m_touchAccumX = x;
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m_touchAccumY = y;
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PostEvent(IE_FingerMotion, m_nLastSampleTick, fingerId, x, y);
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}
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