bool AggressiveDCEPass::IsDead(Instruction* inst) {
if (IsLive(inst)) return false;
if ((inst->IsBranch() || inst->opcode() == SpvOpUnreachable) &&
!IsStructuredHeader(context()->get_instr_block(inst), nullptr, nullptr,
nullptr))
return false;
return true;
}
void Object::Retain() const {
pthreadpp::mutex_guard guard(m_lock);
m_referenceCount++;
if (IsLive() && m_referenceCount==2) {
// Someone referenced us from the native code - switch to
// global reference.
m_object=DerefWeakReference(m_weakReference);
DEBUG_LOG("Object(%p): switched to strong reference %p",this,m_object);
}
}
void wxSplitterWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
{
if (m_dragMode != wxSPLIT_DRAG_DRAGGING)
return;
m_dragMode = wxSPLIT_DRAG_NONE;
SetCursor(* wxSTANDARD_CURSOR);
// Erase old tracker
if ( !IsLive(this) )
{
DrawSashTracker(m_oldX, m_oldY);
}
}
void Object::Release() const {
{
pthreadpp::mutex_guard guard(m_lock);
m_referenceCount--;
if (IsLive() && m_referenceCount==1) {
// Last reference from native code has gone, the only reference
// left is from the java class - switch to weak reference.
DEBUG_LOG("Object(%p): switched %p to weak reference...",this,m_object);
jni::GetEnv()->DeleteGlobalRef(m_object);
m_object=0;
return;
}
if (m_referenceCount>0) {
// There are references, do nothing.
return;
}
}
// No references left - delete self.
delete this;
}
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
int x = (int)event.GetX(),
y = (int)event.GetY();
if ( GetWindowStyle() & wxSP_NOSASH )
{
event.Skip();
return;
}
bool isLive = IsLive(this);
if (event.LeftDown())
{
if ( SashHitTest(x, y) )
{
// Start the drag now
m_dragMode = wxSPLIT_DRAG_DRAGGING;
// Capture mouse and set the cursor
CaptureMouse();
SetResizeCursor();
if ( !isLive )
{
// remember the initial sash position and draw the initial
// shadow sash
m_sashPositionCurrent = m_sashPosition;
m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
DrawSashTracker(m_oldX, m_oldY);
}
m_ptStart = wxPoint(x,y);
m_sashStart = m_sashPosition;
return;
}
}
else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
{
// We can stop dragging now and see what we've got.
m_dragMode = wxSPLIT_DRAG_NONE;
// Release mouse and unset the cursor
ReleaseMouse();
SetCursor(* wxSTANDARD_CURSOR);
// exit if unsplit after doubleclick
if ( !IsSplit() )
{
return;
}
// Erase old tracker
if ( !isLive )
{
DrawSashTracker(m_oldX, m_oldY);
}
// the position of the click doesn't exactly correspond to
// m_sashPosition, rather it changes it by the distance by which the
// mouse has moved
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 )
{
// Deal with possible unsplit scenarios
if ( posSashNew == 0 )
{
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
else if ( posSashNew == GetWindowSize() )
{
// We remove the second window from the view
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
else
{
SetSashPositionAndNotify(posSashNew);
}
}
else
{
SetSashPositionAndNotify(posSashNew);
}
SizeWindows();
} // left up && dragging
else if ((event.Moving() || event.Leaving() || event.Entering()) && (m_dragMode == wxSPLIT_DRAG_NONE))
{
if ( event.Leaving() || !SashHitTest(x, y) )
OnLeaveSash();
else
OnEnterSash();
}
else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
{
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( !isLive )
{
if ( posSashNew == m_sashPositionCurrent )
return;
m_sashPositionCurrent = posSashNew;
// Erase old tracker
DrawSashTracker(m_oldX, m_oldY);
m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
#ifdef __WXMSW__
// As we captured the mouse, we may get the mouse events from outside
// our window - for example, negative values in x, y. This has a weird
// consequence under MSW where we use unsigned values sometimes and
// signed ones other times: the coordinates turn as big positive
// numbers and so the sash is drawn on the *right* side of the window
// instead of the left (or bottom instead of top). Correct this.
if ( (short)m_oldX < 0 )
m_oldX = 0;
if ( (short)m_oldY < 0 )
m_oldY = 0;
#endif // __WXMSW__
// Draw new one
DrawSashTracker(m_oldX, m_oldY);
}
else
{
if ( posSashNew == m_sashPosition )
return;
DoSetSashPosition(posSashNew);
// in live mode, the new position is the actual sash position, clear requested position!
m_requestedSashPosition = INT_MAX;
m_needUpdating = true;
}
}
else if ( event.LeftDClick() && m_windowTwo )
{
OnDoubleClickSash(x, y);
}
else
{
event.Skip();
}
}
