HRESULT CLCDOutput::Draw()
{
DWORD dwPriorityToUse;
if (m_pActiveScreen)
{
m_pActiveScreen->Draw();
dwPriorityToUse = LGLCD_ASYNC_UPDATE(m_nPriority);
}
else
{
dwPriorityToUse = LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW);
}
lgLcdBitmap160x43x1* pScreen = GetLCDScreen();
if (pScreen && (LGLCD_INVALID_DEVICE != m_hDevice))
{
DWORD res = ERROR_SUCCESS;
res = lgLcdUpdateBitmap(m_hDevice, &pScreen->hdr, dwPriorityToUse);
HandleErrorFromAPI(res);
// read the soft buttons
ReadButtons();
}
return S_OK;
}
BOOL CLCDOutput::OnDraw(void)
{
DWORD dwPriorityToUse = LGLCD_ASYNC_UPDATE(m_nPriority);
if ( (NULL == m_pActivePage) ||
(LGLCD_INVALID_DEVICE == m_hDevice) ||
(LGLCD_PRIORITY_IDLE_NO_SHOW == dwPriorityToUse) )
{
// don't submit the bitmap
return TRUE;
}
// Render the active screen
m_pGfx->BeginDraw();
m_pGfx->ClearScreen();
m_pActivePage->OnDraw(*m_pGfx);
m_pGfx->EndDraw();
// Get the active bitmap
lgLcdBitmap* pBitmap = m_pGfx->GetLCDScreen();
// Only submit if the bitmap needs to be updated
// (If the priority or bitmap have changed)
DWORD res = ERROR_SUCCESS;
if (DoesBitmapNeedUpdate(pBitmap))
{
res = lgLcdUpdateBitmap(m_hDevice, &pBitmap->bmp_mono.hdr, dwPriorityToUse);
HandleErrorFromAPI(res);
}
return (LGLCD_INVALID_DEVICE != m_hDevice);
}
HRESULT CLCDOutput::Draw()
{
DWORD dwPriorityToUse = LGLCD_ASYNC_UPDATE(m_nPriority);
if ( (NULL == m_pActiveScreen) ||
(LGLCD_INVALID_DEVICE == m_hDevice) ||
(LGLCD_PRIORITY_IDLE_NO_SHOW == dwPriorityToUse) )
{
// don't submit the bitmap
return S_OK;
}
// Render the active screen
m_pActiveScreen->Draw();
// Get the active bitmap
lgLcdBitmap160x43x1* pScreen = m_pActiveScreen->GetLCDScreen();
// Only submit if the bitmap needs to be updated
// (If the priority or bitmap have changed)
DWORD res = ERROR_SUCCESS;
if (DoesBitmapNeedUpdate(pScreen))
{
res = lgLcdUpdateBitmap(m_hDevice, &pScreen->hdr, dwPriorityToUse);
HandleErrorFromAPI(res);
}
// read the soft buttons
ReadButtons();
return S_OK;
}
void CLCDOutput::Update(DWORD dwTimestamp)
{
if (m_pActiveScreen)
{
m_pActiveScreen->Update(dwTimestamp);
}
// check for expiration
if (m_pActiveScreen && m_pActiveScreen->HasExpired())
{
m_pActiveScreen = NULL;
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
OnScreenExpired(m_pActiveScreen);
// Clear the bitmap
ClearBitmap(m_pLastBitmap);
// find the next active screen
LCD_MGR_LIST::iterator it = m_LCDMgrList.begin();
while(it != m_LCDMgrList.end())
{
CLCDManager *pMgr = *it;
LCDUIASSERT(NULL != pMgr);
if (!pMgr->HasExpired())
{
ActivateScreen(pMgr);
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
break;
}
++it;
}
// if no screen found, empty the screen at idle priority
if (NULL == m_pActiveScreen)
{
if (LGLCD_INVALID_DEVICE != m_hDevice)
{
lgLcdUpdateBitmap(m_hDevice, &CLCDManager::GetLCDScreen()->hdr,
LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
}
}
}
// check for lcd devices
if (LGLCD_INVALID_DEVICE == m_hDevice)
{
EnumerateDevices();
}
}
void CLCDOutput::SetScreenPriority(DWORD priority)
{
// Priority has changed
// If we're going into idle, send an idle frame
if (LGLCD_PRIORITY_IDLE_NO_SHOW == priority)
{
lgLcdUpdateBitmap(m_hDevice, &m_pGfx->GetLCDScreen()->bmp_mono.hdr,
LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
}
m_nPriority = priority;
}
//************************************************************************
// Hides the applet
//************************************************************************
bool CLCDConnectionLogitech::HideApplet()
{
if (!GetConnectionState() == CONNECTED)
return false;
DWORD rc;
rc = lgLcdUpdateBitmap(m_hDevice, &m_lcdBitmap.hdr, LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
if (rc != ERROR_SUCCESS)
return false;
return true;
}
void CLCDOutput::OnUpdate(DWORD dwTimestamp)
{
if (m_pActivePage)
{
m_pActivePage->OnUpdate(dwTimestamp);
}
// check for expiration
if (m_pActivePage && m_pActivePage->HasExpired())
{
m_pActivePage = NULL;
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
OnPageExpired(m_pActivePage);
// find the next active screen
for (size_t i = 0; i < m_Objects.size(); i++)
{
CLCDPage *pPage = dynamic_cast<CLCDPage*>(m_Objects[i]);
LCDUIASSERT(NULL != pPage);
if (!pPage->HasExpired())
{
ShowPage(pPage);
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
break;
}
}
// if no screen found, empty the screen at idle priority
if (NULL == m_pActivePage)
{
OnEnteringIdle();
if (LGLCD_INVALID_DEVICE != m_hDevice)
{
m_pGfx->ClearScreen();
lgLcdUpdateBitmap(m_hDevice, &m_pGfx->GetLCDScreen()->bmp_mono.hdr,
LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
}
}
}
}
void CLCDConnectionLogitech::runDrawingThread() {
m_hStopEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
m_hDrawEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
DWORD dwRes = 0;
while (1) {
HANDLE hArray[2] = { m_hStopEvent, m_hDrawEvent };
dwRes = WaitForMultipleObjects(2, hArray, FALSE, INFINITE);
if (dwRes == WAIT_OBJECT_0) {
break;
}
else if (dwRes == WAIT_OBJECT_0 + 1) {
DWORD rc;
if (GetConnectionState() != CONNECTED) {
continue;
}
// do a sync update if the applet is in the foreground, or every 500 ms
// the delay is there because sync updates can take up to 33ms to fail
if (m_dwForegroundCheck < GetTickCount())
{
m_dwForegroundCheck = GetTickCount() + 500;
rc = lgLcdUpdateBitmap(m_hDevice, &m_lcdBitmap.hdr, LGLCD_SYNC_COMPLETE_WITHIN_FRAME(m_iPriority));
if (rc == ERROR_ACCESS_DENIED)
{
rc = ERROR_SUCCESS;
m_bIsForeground = false;
}
else if (rc == ERROR_SUCCESS)
m_bIsForeground = true;
}
else
rc = lgLcdUpdateBitmap(m_hDevice, &m_lcdBitmap.hdr, LGLCD_ASYNC_UPDATE(m_iPriority));
if (rc != ERROR_SUCCESS) {
HandleErrorFromAPI(rc);
}
}
}
CloseHandle(m_hStopEvent);
CloseHandle(m_hDrawEvent);
}
void lcd_update (int led, int on)
{
int track, x, y;
if (!inited)
return;
if (led < 0) {
lgLcdUpdateBitmap (device, lbh, LGLCD_PRIORITY_IDLE_NO_SHOW);
return;
}
if (on < 0)
return;
if (led >= 1 && led <= 4) {
x = 23 + (led - 1) * 40;
y = 17;
track = gui_data.drive_track[led - 1];
if (gui_data.drive_disabled[led - 1]) {
track = -1;
on = 0;
}
putnumbers (x, y, track, on);
} else if (led == 0) {
dorect (&coords[4 * 2], on);
} else if (led == 5) {
dorect (&coords[4 * 1], on);
} else if (led == 6) {
dorect (&coords[4 * 0], on);
} else if (led == 7) {
y = 2;
x = 125;
putnumbers (x, y, gui_data.fps <= 999 ? (gui_data.fps + 5) / 10 : 99, 0);
} else if (led == 8) {
y = 2;
x = 98;
putnumbers (x, y, gui_data.idle <= 999 ? gui_data.idle / 10 : 99, 0);
}
lgLcdUpdateBitmap (device, lbh, LGLCD_ASYNC_UPDATE (LGLCD_PRIORITY_NORMAL + 1));
}
//************************************************************************
//
// CLCDOutput::SetScreenPriority
//
//************************************************************************
void CLCDOutput::SetScreenPriority(DWORD priority)
{
if (priority == m_nPriority)
{
// Nothing to do
return;
}
// Clear the bitmap
ClearBitmap(m_pLastBitmap);
m_nPriority = priority;
m_bPriorityHasChanged = TRUE;
if (LGLCD_PRIORITY_IDLE_NO_SHOW == m_nPriority)
{
// send an empty bitmap at idle priority
if (LGLCD_INVALID_DEVICE != m_hDevice)
{
lgLcdUpdateBitmap(m_hDevice, &m_pLastBitmap->hdr,
LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
}
}
}
