void CGUIEnvironment::updateHoveredElement(core::position2d<s32> mousePos)
{
IGUIElement* lastHovered = Hovered;
Hovered = getElementFromPoint(mousePos);
if (Hovered)
{
Hovered->grab();
if (Hovered != lastHovered)
{
SEvent event;
event.EventType = EET_GUI_EVENT;
if (lastHovered)
{
event.GUIEvent.Caller = lastHovered;
event.GUIEvent.EventType = EGET_ELEMENT_LEFT;
lastHovered->OnEvent(event);
}
event.GUIEvent.Caller = Hovered;
event.GUIEvent.EventType = EGET_ELEMENT_HOVERED;
Hovered->OnEvent(event);
}
}
if (lastHovered)
lastHovered->drop();
}
//! called if an event happened.
bool CGUITextureCacheBrowser::OnEvent(const SEvent &event)
{
switch(event.EventType)
{
case EET_GUI_EVENT:
if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
{
if (event.GUIEvent.Caller == (IGUIElement*)this)
Dragging = false;
return true;
}
else
if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED)
{
if (event.GUIEvent.Caller == CloseButton)
{
remove();
return true;
}
}
break;
case EET_MOUSE_INPUT_EVENT:
switch(event.MouseInput.Event)
{
case EMIE_LMOUSE_PRESSED_DOWN:
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
if (getElementFromPoint(DragStart) == this)
{
if (!Environment->hasFocus(this))
{
Dragging = true;
//Environment->setFocus(this);
if (Parent)
Parent->bringToFront(this);
}
return true;
}
else
{
if (Panel->getAbsolutePosition().isPointInside(DragStart))
{
// select an image
IGUIElement* el = Panel->getElementFromPoint(DragStart);
if (el && el != Panel)
{
if (el->getType() == EGUIET_IMAGE)
{
setSelected(el->getID());
}
}
else
{
setSelected();
}
}
}
break;
case EMIE_LMOUSE_LEFT_UP:
Dragging = false;
//Environment->removeFocus(this);
return true;
case EMIE_MOUSE_MOVED:
if (Dragging)
{
// gui window should not be dragged outside its parent
if (Parent)
if (event.MouseInput.X < Parent->getAbsolutePosition().UpperLeftCorner.X +1 ||
event.MouseInput.Y < Parent->getAbsolutePosition().UpperLeftCorner.Y +1 ||
event.MouseInput.X > Parent->getAbsolutePosition().LowerRightCorner.X -1 ||
event.MouseInput.Y > Parent->getAbsolutePosition().LowerRightCorner.Y -1)
return true;
move(core::position2d<s32>(event.MouseInput.X - DragStart.X, event.MouseInput.Y - DragStart.Y));
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
return true;
}
break;
}
}
return Parent ? Parent->OnEvent(event) : false;
}
