void setScreenPos (Point<float> newScreenPos, Time time, const bool forceUpdate)
{
if (! isDragging())
setComponentUnderMouse (findComponentAt (newScreenPos), newScreenPos, time);
if (newScreenPos != lastScreenPos || forceUpdate)
{
cancelPendingUpdate();
lastScreenPos = newScreenPos;
if (Component* const current = getComponentUnderMouse())
{
if (isDragging())
{
registerMouseDrag (newScreenPos);
sendMouseDrag (*current, newScreenPos + unboundedMouseOffset, time);
if (isUnboundedMouseModeOn)
handleUnboundedDrag (*current);
}
else
{
sendMouseMove (*current, newScreenPos, time);
}
}
revealCursor (false);
}
}
void AsyncUpdater::triggerAsyncUpdate()
{
// If you're calling this before (or after) the MessageManager is
// running, then you're not going to get any callbacks!
jassert (MessageManager::getInstanceWithoutCreating() != nullptr);
if (activeMessage->shouldDeliver.compareAndSetBool (1, 0))
if (! activeMessage->post())
cancelPendingUpdate(); // if the message queue fails, this avoids getting
// trapped waiting for the message to arrive
}
void callTimersSynchronously()
{
if (! isThreadRunning())
{
// (This is relied on by some plugins in cases where the MM has
// had to restart and the async callback never started)
cancelPendingUpdate();
triggerAsyncUpdate();
}
callTimers();
}
void parameterChanged(const String&, float newValue) override
{
lastValue = newValue;
if (MessageManager::getInstance()->isThisTheMessageThread())
{
cancelPendingUpdate();
setValue(newValue);
}
else
{
triggerAsyncUpdate();
}
}
void CodeEditorComponent::rebuildLineTokens()
{
cancelPendingUpdate();
const int numNeeded = linesOnScreen + 1;
int minLineToRepaint = numNeeded;
int maxLineToRepaint = 0;
if (numNeeded != lines.size())
{
lines.clear();
for (int i = numNeeded; --i >= 0;)
lines.add (new CodeEditorLine());
minLineToRepaint = 0;
maxLineToRepaint = numNeeded;
}
jassert (numNeeded == lines.size());
CodeDocument::Iterator source (&document);
getIteratorForPosition (CodeDocument::Position (&document, firstLineOnScreen, 0).getPosition(), source);
for (int i = 0; i < numNeeded; ++i)
{
CodeEditorLine* const line = lines.getUnchecked(i);
if (line->update (document, firstLineOnScreen + i, source, codeTokeniser, spacesPerTab,
selectionStart, selectionEnd))
{
minLineToRepaint = jmin (minLineToRepaint, i);
maxLineToRepaint = jmax (maxLineToRepaint, i);
}
}
if (minLineToRepaint <= maxLineToRepaint)
{
repaint (gutter, lineHeight * minLineToRepaint - 1,
verticalScrollBar->getX() - gutter,
lineHeight * (1 + maxLineToRepaint - minLineToRepaint) + 2);
}
}
void Value::ValueSource::sendChangeMessage (const bool synchronous)
{
const int numListeners = valuesWithListeners.size();
if (numListeners > 0)
{
if (synchronous)
{
const ReferenceCountedObjectPtr<ValueSource> localRef (this);
cancelPendingUpdate();
for (int i = numListeners; --i >= 0;)
if (Value* const v = valuesWithListeners[i])
v->callListeners();
}
else
{
triggerAsyncUpdate();
}
}
}
Value::ValueSource::~ValueSource()
{
cancelPendingUpdate();
}
