void MythScreenStack::AddScreen(MythScreenType *screen, bool allowFade)
{
if (!screen)
return;
m_DoInit = false;
MythScreenType *old = m_topScreen;
if (old)
old->aboutToHide();
m_Children.push_back(screen);
if (allowFade && m_DoTransitions)
{
m_newTop = screen;
DoNewFadeTransition();
}
else
{
if (parent())
reinterpret_cast<MythMainWindow *>(parent())->update();
RecalculateDrawOrder();
if (!screen->IsInitialized())
m_DoInit = true;
}
screen->aboutToShow();
m_topScreen = screen;
emit topScreenChanged(m_topScreen);
}
void MythScreenStack::CheckNewFadeTransition(void)
{
if (!m_newTop)
{
m_InNewTransition = false;
return;
}
if (m_newTop->GetAlpha() >= 255)
{
m_InNewTransition = false;
if (!m_newTop->IsInitialized())
m_DoInit = true;
m_newTop = NULL;
RecalculateDrawOrder();
}
}
void MythScreenStack::DoNewFadeTransition(void)
{
m_InNewTransition = true;
m_newTop->SetAlpha(0);
m_newTop->AdjustAlpha(1, kFadeVal);
if (m_newTop->IsFullscreen())
{
QVector<MythScreenType *>::Iterator it;
for (it = m_DrawOrder.begin(); it != m_DrawOrder.end(); ++it)
{
if (!(*it)->IsDeleting())
(*it)->AdjustAlpha(1, -kFadeVal);
}
m_DrawOrder.push_back(m_newTop);
}
else
RecalculateDrawOrder();
}
void MythScreenStack::PopScreen(MythScreenType *screen, bool allowFade,
bool deleteScreen)
{
if (!screen || screen->IsDeleting())
return;
screen->aboutToHide();
if (m_Children.isEmpty())
return;
MythMainWindow *mainwindow = GetMythMainWindow();
screen->setParent(0);
if ((screen == m_topScreen) && allowFade && m_DoTransitions
&& !mainwindow->IsExitingToMain())
{
screen->SetFullscreen(false);
if (deleteScreen)
{
screen->SetDeleting(true);
m_ToDelete.push_back(screen);
}
screen->AdjustAlpha(1, -kFadeVal);
}
else
{
for (int i = 0; i < m_Children.size(); ++i)
{
if (m_Children.at(i) == screen)
m_Children.remove(i);
}
if (deleteScreen)
delete screen;
screen = NULL;
mainwindow->update();
if (mainwindow->IsExitingToMain())
{
QCoreApplication::postEvent(
mainwindow, new QEvent(MythEvent::kExitToMainMenuEventType));
}
}
m_topScreen = NULL;
RecalculateDrawOrder();
// If we're fading it, we still want to draw it.
if (screen)
m_DrawOrder.push_back(screen);
if (!m_Children.isEmpty())
{
QVector<MythScreenType *>::Iterator it;
for (it = m_DrawOrder.begin(); it != m_DrawOrder.end(); ++it)
{
if (*it != screen && !(*it)->IsDeleting())
{
m_topScreen = (*it);
(*it)->SetAlpha(255);
(*it)->aboutToShow();
}
}
}
if (m_topScreen)
{
m_topScreen->SetRedraw();
if (!allowFade || !m_DoTransitions)
emit topScreenChanged(m_topScreen);
}
else
{
// Screen still needs to be redrawn if we have popped the last screen
// off the popup stack, or similar
MythScreenType *mainscreen = mainwindow->GetMainStack()->GetTopScreen();
if (mainscreen)
mainscreen->SetRedraw();
if (!allowFade || !m_DoTransitions)
emit topScreenChanged(NULL);
}
}
void MythScreenStack::CheckDeletes(void)
{
if (m_ToDelete.isEmpty())
return;
bool changed = false;
QVector<MythScreenType *>::Iterator it = m_ToDelete.begin();
while (it != m_ToDelete.end() && !m_ToDelete.isEmpty())
{
bool deleteit = false;
if ((*it)->GetAlpha() <= 0)
{
deleteit = true;
}
if (!deleteit)
{
bool found = false;
QVector<MythScreenType *>::Iterator test;
for (test = m_DrawOrder.begin(); test != m_DrawOrder.end(); ++test)
{
if (*it == *test)
{
found = true;
break;
}
}
if (!found)
deleteit = true;
}
if (deleteit)
{
QVector<MythScreenType *>::Iterator test;
for (test = m_Children.begin(); test != m_Children.end(); ++test)
{
if (*test == *it)
{
m_Children.erase(test);
break;
}
}
if (*it == m_newTop)
m_newTop = NULL;
delete (*it);
m_ToDelete.erase(it);
it = m_ToDelete.begin();
changed = true;
continue;
}
++it;
}
if (changed)
{
RecalculateDrawOrder();
emit topScreenChanged(GetTopScreen());
}
}
void MythNotificationScreenStack::PopScreen(MythScreenType *screen, bool allowFade,
bool deleteScreen)
{
if (!screen || screen->IsDeleting())
return;
bool poppedFullscreen = screen->IsFullscreen();
screen->aboutToHide();
if (m_Children.isEmpty())
return;
MythMainWindow *mainwindow = GetMythMainWindow();
screen->setParent(0);
if (allowFade && m_DoTransitions && !mainwindow->IsExitingToMain())
{
screen->SetFullscreen(false);
if (deleteScreen)
{
screen->SetDeleting(true);
m_ToDelete.push_back(screen);
}
screen->AdjustAlpha(1, -kFadeVal);
}
else
{
for (int i = 0; i < m_Children.size(); ++i)
{
if (m_Children.at(i) == screen)
{
m_Children.remove(i);
break;
}
}
if (deleteScreen)
screen->deleteLater();
screen = NULL;
}
m_topScreen = NULL;
RecalculateDrawOrder();
// If we're fading it, we still want to draw it.
if (screen && !m_DrawOrder.contains(screen))
m_DrawOrder.push_back(screen);
if (!m_Children.isEmpty())
{
QVector<MythScreenType *>::Iterator it;
for (it = m_DrawOrder.begin(); it != m_DrawOrder.end(); ++it)
{
if (*it != screen && !(*it)->IsDeleting())
{
m_topScreen = (*it);
(*it)->SetAlpha(255);
if (poppedFullscreen)
(*it)->aboutToShow();
}
}
}
if (m_topScreen)
{
m_topScreen->SetRedraw();
}
else
{
// Screen still needs to be redrawn if we have popped the last screen
// off the popup stack, or similar
if (mainwindow->GetMainStack())
{
MythScreenType *mainscreen = mainwindow->GetMainStack()->GetTopScreen();
if (mainscreen)
mainscreen->SetRedraw();
}
}
}
