void Stack::AddChild( WidgetPtr child )
{
int x = 0;
int y = 0;
if (mWidgets.size() > 0)
{
WidgetPtr last = mWidgets.back();
if (mOrientation == OrientationVertical)
{
y = last->GetY() + last->GetHeight() + mSpacing;
}
else
{
x = last->GetX() + last->GetWidth() + mSpacing;
}
}
child->SetPosition(x, y);
BasicContainer::Add(child);
if (mOrientation == OrientationVertical)
{
SetSize(std::max(GetWidth(), child->GetWidth()), y + child->GetHeight());
}
else
{
SetSize(x + child->GetWidth(), std::max(GetHeight(), child->GetHeight()));
}
}
void Stack::RebuildLayout()
{
int x = 0;
int y = 0;
int w = 0;
int h = 0;
for (WidgetListIterator it = mWidgets.begin(); it != mWidgets.end(); ++it)
{
WidgetPtr child = *it;
child->SetPosition(x, y);
if (mOrientation == OrientationVertical)
{
y = y + child->GetHeight() + mSpacing;
}
else
{
x = x + child->GetWidth() + mSpacing;
}
w = std::max(child->GetWidth(), w);
h = std::max(child->GetHeight(), h);
}
w = std::max(w, x - mSpacing);
SetSize(w, std::max(h, y - mSpacing));
}
void Gui::handleMouseMoved(const MouseInput& mouseInput)
{
// Check if the mouse leaves the application window.
if (!mWidgetWithMouseQueue.empty()
&& (mouseInput.getX() < 0
|| mouseInput.getY() < 0
|| !mTop->GetDimension().isPointInRect(mouseInput.getX(), mouseInput.getY()))
)
{
// Distribute an event to all widgets in the "widget with mouse" queue.
while (!mWidgetWithMouseQueue.empty())
{
WidgetPtr widget = mWidgetWithMouseQueue.front();
if (Widget::widgetExists(widget))
{
distributeMouseEvent(widget,
MouseEvent::EXITED,
mouseInput.getButton(),
mouseInput.getX(),
mouseInput.getY(),
true,
true);
}
mWidgetWithMouseQueue.pop_front();
}
return;
}
// Check if there is a need to send mouse exited events by
// traversing the "widget with mouse" queue.
bool widgetWithMouseQueueCheckDone = mWidgetWithMouseQueue.empty();
while (!widgetWithMouseQueueCheckDone)
{
unsigned int iterations = 0;
std::deque<WidgetPtr>::iterator iter;
for (iter = mWidgetWithMouseQueue.begin();
iter != mWidgetWithMouseQueue.end();
iter++)
{
WidgetPtr widget = *iter;
// If a widget in the "widget with mouse queue" doesn't
// exists anymore it should be removed from the queue.
if (!Widget::widgetExists(widget))
{
mWidgetWithMouseQueue.erase(iter);
break;
}
else
{
int x, y;
widget->getAbsolutePosition(x, y);
if (x > mouseInput.getX()
|| y > mouseInput.getY()
|| x + widget->GetWidth() <= mouseInput.getX()
|| y + widget->GetHeight() <= mouseInput.getY()
|| !widget->IsVisible())
{
distributeMouseEvent(widget,
MouseEvent::EXITED,
mouseInput.getButton(),
mouseInput.getX(),
mouseInput.getY(),
true,
true);
mClickCount = 1;
mLastMousePressTimeStamp = 0;
mWidgetWithMouseQueue.erase(iter);
break;
}
}
iterations++;
}
widgetWithMouseQueueCheckDone = iterations == mWidgetWithMouseQueue.size();
}
// Check all widgets below the mouse to see if they are
// present in the "widget with mouse" queue. If a widget
// is not then it should be added and an entered event should
// be sent to it.
WidgetPtr parent = GetMouseEventSource(mouseInput.getX(), mouseInput.getY());
WidgetPtr widget = parent;
// If a widget has modal mouse input focus then it will
// always be returned from getMouseEventSource, but we only wan't to send
// mouse entered events if the mouse has actually entered the widget with
// modal mouse input focus, hence we need to check if that's the case. If
// it's not we should simply ignore to send any mouse entered events.
if (mFocusHandler->GetModalMouseInputFocused()
&& widget == mFocusHandler->GetModalMouseInputFocused()
&& Widget::widgetExists(widget))
{
int x, y;
widget->getAbsolutePosition(x, y);
if (x > mouseInput.getX()
|| y > mouseInput.getY()
|| x + widget->GetWidth() <= mouseInput.getX()
|| y + widget->GetHeight() <= mouseInput.getY())
{
parent.reset();
}
}
while (parent)
{
parent = widget->GetParent();
// Check if the widget is present in the "widget with mouse" queue.
bool widgetIsPresentInQueue = false;
std::deque<WidgetPtr>::iterator iter;
for (iter = mWidgetWithMouseQueue.begin();
iter != mWidgetWithMouseQueue.end();
iter++)
{
if (*iter == widget)
{
widgetIsPresentInQueue = true;
break;
}
}
// Widget is not present, send an entered event and add
// it to the "widget with mouse" queue.
if (!widgetIsPresentInQueue
&& Widget::widgetExists(widget))
{
distributeMouseEvent(widget,
MouseEvent::ENTERED,
mouseInput.getButton(),
mouseInput.getX(),
mouseInput.getY(),
true,
true);
mWidgetWithMouseQueue.push_front(widget);
}
WidgetPtr swap = widget;
widget = parent;
parent = (WidgetPtr)swap->GetParent();
}
if (mFocusHandler->GetDraggedWidget())
{
distributeMouseEvent(mFocusHandler->GetDraggedWidget(),
MouseEvent::DRAGGED,
mLastMouseDragButton,
mouseInput.getX(),
mouseInput.getY());
}
else
{
WidgetPtr sourceWidget = GetMouseEventSource(mouseInput.getX(), mouseInput.getY());
distributeMouseEvent(sourceWidget,
MouseEvent::MOVED,
mouseInput.getButton(),
mouseInput.getX(),
mouseInput.getY());
}
}
