/**
* \brief Start a slideshow
*/
void GallerySlideView::Play(bool useTransition)
{
// Start from next slide
ShowNextSlide(useTransition);
m_playing = true;
if (!m_suspended)
m_timer.start();
if (m_uiStatus)
SetStatus(tr("Playing"));
}
/**
* \brief Constructor
* \param parent The screen parent
* \param name The name of the screen
*/
GallerySlideView::GallerySlideView(MythScreenStack *parent, const char *name,
bool editsAllowed)
: MythScreenType(parent, name),
m_uiImage(NULL),
m_uiStatus(NULL),
m_uiSlideCount(NULL), m_uiCaptionText(NULL), m_uiHideCaptions(NULL),
m_mgr(ImageManagerFe::getInstance()),
m_view(NULL),
m_availableTransitions(GetMythPainter()->SupportsAnimation()),
m_transition(m_availableTransitions.Select(
gCoreContext->GetNumSetting("GalleryTransitionType",
kBlendTransition))),
m_updateTransition(),
m_slides(),
m_infoList(*this),
m_slideShowTime(gCoreContext->GetNumSetting("GallerySlideShowTime", 3000)),
m_playing(false),
m_suspended(false),
m_showCaptions(gCoreContext->GetNumSetting("GalleryShowSlideCaptions", true)),
m_transitioning(false),
m_editsAllowed(editsAllowed)
{
// Detect when transitions finish. Queued signal to allow redraw/pulse to
// complete before handling event.
connect(&m_transition, SIGNAL(finished()),
this, SLOT(TransitionComplete()), Qt::QueuedConnection);
connect(&m_updateTransition, SIGNAL(finished()),
this, SLOT(TransitionComplete()), Qt::QueuedConnection);
// Seed random generator for random transitions
qsrand(QTime::currentTime().msec());
// Initialise slideshow timer
m_timer.setSingleShot(true);
m_timer.setInterval(m_slideShowTime);
connect(&m_timer, SIGNAL(timeout()), this, SLOT(ShowNextSlide()));
}
/**
* \brief Handle keypresses
* \param event The pressed key
* \return True if key was used, otherwise false
*/
bool GallerySlideView::keyPressEvent(QKeyEvent *event)
{
if (GetFocusWidget()->keyPressEvent(event))
return true;
QStringList actions;
bool handled = GetMythMainWindow()->TranslateKeyPress("Images", event, actions);
for (int i = 0; i < actions.size() && !handled; i++)
{
QString action = actions[i];
handled = true;
if (action == "LEFT")
ShowPrevSlide();
else if (action == "RIGHT")
ShowNextSlide();
else if (action == "INFO")
ShowInfo();
else if (action == "MENU")
MenuMain();
else if (action == "PLAY")
{
if (m_playing)
Stop();
else
Play();
}
else if (action == "SELECT")
PlayVideo();
else if (action == "STOP")
Stop();
else if (action == "ROTRIGHT")
Transform(kRotateCW);
else if (action == "ROTLEFT")
Transform(kRotateCCW);
else if (action == "FLIPHORIZONTAL")
Transform(kFlipHorizontal);
else if (action == "FLIPVERTICAL")
Transform(kFlipVertical);
else if (action == "ZOOMIN")
Zoom(10);
else if (action == "ZOOMOUT")
Zoom(-10);
else if (action == "FULLSIZE")
Zoom();
else if (action == "SCROLLUP")
Pan(QPoint(0, 100));
else if (action == "SCROLLDOWN")
Pan(QPoint(0, -100));
else if (action == "SCROLLLEFT")
Pan(QPoint(-120, 0));
else if (action == "SCROLLRIGHT")
Pan(QPoint(120, 0));
else if (action == "RECENTER")
Pan();
else if (action == "ESCAPE" && !GetMythMainWindow()->IsExitingToMain())
// Exit info details, if shown
handled = m_infoList.Hide();
else
handled = false;
}
if (!handled)
handled = MythScreenType::keyPressEvent(event);
return handled;
}
/************************************************************************
Function: WORD JPEGDrawCallback(void)
Overview: This function is called by GOLDraw() function when the state
is in this particular demo.
Input: none
Output: If the function returns non-zero the draw control will be passed
to GOL. GOLDraw() can proceed and re-draw objects that needs
to be redrawn.
************************************************************************/
WORD JPEGDrawCallback(void)
{
static DWORD prevTick = 0; // keeps previous value of tick
SHORT item;
MonitorDriveMedia();
// check if media is still present, if not return to main menu
if(mediaPresent == FALSE)
{
screenState = CREATE_DEMOSELECTION;
return (1);
}
if(blSlideShowOn == 1)
{
// moves to the next item in the list when doing the slide show
if((tick - prevTick) > blSlideShowDelay)
{
ShowNextSlide();
blSlideShowDelay = JPEGSLIDESHOWDELAY;
prevTick = tick;
}
}
else
{
// this implements the automatic scrolling of the list box contents
// when the up or down buttons are continuously pressed.
if((tick - prevTick) > SLIDERSCROLLDELAY)
{
item = LbGetFocusedItem(pListBox);
if(GetState(pBtnUp, BTN_PRESSED))
{
// redraw only the listbox when the item that is focused has changed
LbSetFocusedItem(pListBox, LbGetFocusedItem(pListBox) - 1);
if(item != LbGetFocusedItem(pListBox))
{
SetState(pListBox, LB_DRAW_ITEMS);
}
SldSetPos(pSlider, SldGetPos(pSlider) + 1);
SetState(pSlider, SLD_DRAW_THUMB);
}
if(GetState(pBtnDn, BTN_PRESSED))
{
LbSetFocusedItem(pListBox, LbGetFocusedItem(pListBox) + 1);
if(item != LbGetFocusedItem(pListBox))
{
SetState(pListBox, LB_DRAW_ITEMS);
}
SldSetPos(pSlider, SldGetPos(pSlider) - 1);
SetState(pSlider, SLD_DRAW_THUMB);
}
prevTick = tick;
}
}
return (1);
}
