public bool OnLayerMouseMove(MouseEventArgs e)
{
// TODO: Needs to use persistent markers for mouse pos in each layer
// try each layer from top to bottom
foreach (ILayer layer in layers)
{
if (layer.Enabled && layer is SimpleGUILayer)
{
SimpleGUILayer guiLayer = (SimpleGUILayer)layer;
GUILayerItem item;
if ((item = guiLayer.TraceCollisionPointer(e.Location)) != null && item.Visible && item.Enabled)
{
if (item.WantMouseOver && layerMouseOverItem != item)
{
item.OnMouseEnter();
if (layerMouseOverItem != null && layerMouseOverItem.WantMouseOver)
{
layerMouseOverItem.OnMouseLeave();
}
layerMouseOverItem = item;
}
return(true);
}
}
}
if (layerMouseOverItem != null)
{
layerMouseOverItem.OnMouseLeave();
layerMouseOverItem = null;
return(true);
}
return(false);
}
public bool OnLayerMouseUp(MouseEventArgs e)
{
// find new item (that does not want mouseover)
// try each layer from top to bottom
foreach (ILayer layer in layers)
{
if (layer.Enabled && layer is SimpleGUILayer)
{
SimpleGUILayer guiLayer = (SimpleGUILayer)layer;
GUILayerItem item;
if ((item = guiLayer.TraceCollisionPointer(e.Location)) != null && item.Visible && item.Enabled)
{
if (item == layerMouseDownItem)
{
layerMouseDownItem.OnMouseUp(e);
}
else if (layerMouseDownItem != null)
{
layerMouseDownItem.OnMouseUp(null);
}
layerMouseDownItem = null;
return(true);
}
}
}
if (layerMouseOverItem != null)
{
layerMouseOverItem.OnMouseUp(e);
}
return(false);
}
public bool OnLayerMouseDown(MouseEventArgs e)
{
if (layerMouseOverItem != null)
{
// use existing found item
if (layerMouseOverItem.WantMouseClicks)
{
layerMouseOverItem.OnMouseDown(e);
}
layerMouseDownItem = layerMouseOverItem;
return(true);
}
else
{
// find new item (that does not want mouseover)
// try each layer from top to bottom
foreach (ILayer layer in layers)
{
if (layer.Enabled && layer is SimpleGUILayer)
{
SimpleGUILayer guiLayer = (SimpleGUILayer)layer;
GUILayerItem item;
if ((item = guiLayer.TraceCollisionPointer(e.Location)) != null && item.Visible /* && item.Enabled*/)
{
if (item.WantMouseClicks)
{
item.OnMouseDown(e);
layerMouseDownItem = item;
}
return(true);
}
}
}
}
return(false);
}
