//Obtains the clicked item, calls that items click handler, and sets focus.
private void handleClick(MouseKeyBinding.MouseButton button)
{
if (items == null)
{
return;
}
//Find the last (top) clicked item
InputComponent ic = graphics.engine.inputComponent;
Vector2 pos = ic.getMousePosition();
GUIItem clickedItem = getItemAt(pos);
if (clickedItem != null)
{
clickedItem.handleMouseDown(pos, button);
}
//Set Focus
if (focused != null)
{
focused.onBlur();
}
if (clickedItem == null || clickedItem.focusable)
{
focused = clickedItem;
}
if (focused != null)
{
focused.onFocus();
}
}
public void performLayout()
{
if (orientation == ScrollDirection.HORIZONTAL)
{
for (int i = 0; i < filledSpots; i++)
{
if ((i) % rows >= currentPos && i % rows < currentPos + columns)
{
GUIItem square = this.items[i];//there was a +4 here i assume for commented out constructor, WHY!??! -James
square.pos = new Vector2(padding + pos.x + ((i) % rows - currentPos) * cellDim.x, padding + pos.y + ((i) / rows) * cellDim.y);
}
}
}
if (orientation == ScrollDirection.VERTICAL)
{
for (int i = 0; i < filledSpots; i++)
{
if ((i) % columns >= currentPos && i % columns < currentPos + rows)
{
GUIItem square = this.items[i]; //there was a +4 here i assume for commented out constructor, WHY!??! -James
square.pos = new Vector2(padding + pos.x + ((i) % columns) * cellDim.x, padding + pos.y + ((i) / columns - currentPos) * cellDim.y);
}
}
}
}
public void resetAllBut(GUIItem exceptionalItem)
{
foreach (GUIItem item in toolButtonsDialog.items)
{
if (item is GUIButton && (item as GUIButton) != exceptionalItem)
{
(item as GUIButton).resetImg();
}
}
}
//Gets the GUIItem at the given location, or returns null if none
public GUIItem getItemAt(Vector2 pos)
{
GUIItem lastItem = null;
foreach (GUIItem item in items)
{
if (item.isOver(pos))
{
lastItem = item;
}
}
return(lastItem);
}
/**
* Add the item to the GUI
*/
public virtual void add(GUIItem item)
{
if (item == null)
{
return;
}
GUIControl control = item as GUIControl;
if (control != null)
{
add(control);
}
else
{
items.Add(item);
}
}
/**
* Attempts to remove the item from the GUI
*/
public virtual void remove(GUIItem item)
{
if (item == null)
{
return;
}
GUIControl control = item as GUIControl;
if (control != null)
{
remove(control);
}
else
{
try
{
items.Remove(item);
}
catch (Exception e) { }
}
}
/**
* Add item from this control
*
* @param item The item to add
*/
public virtual void remove(GUIItem item)
{
items.Remove(item);
}
/**
* Add item to this control
*
* @param item The item to add
*/
public virtual void add(GUIItem item)
{
item.pos += this.pos;
items.Add(item);
}
/**
* Lays out the list
*
* @param startPos If not centering, specifies the position of the left-most/top-most corner of the first item along the alignment edge, e.g., the top-right corner if align == RIGHT.
* If centering, specifies the position of the center of the left-most/top-most edge of the first item, depending on orientation.
* To summarize, it's where you want the first item to go, try things until you get it right. TODO: Clean up this description.
*/
public override void performLayout(Vector2 startPos)
{
if (items == null || items.Count < 2)
{
return;
}
GUIItem prevItem = null;
foreach (GUIItem item in items)
{
// Handle first iteration
if (prevItem == null)
{
if (orientation == Orientation.HORIZONTAL)
{
item.left = startPos.x;
if (align == Align.TOP)
{
item.top = startPos.y;
}
else if (align == Align.BOTTOM)
{
item.bot = startPos.y;
}
else if (align == Align.CENTER)
{
// TODO: Handle centering
throw new NotImplementedException("Haven't written CENTER yet");
}
else
{
throw new Exception("Invalid Align/Orientation combination.");
}
}
else // orientation == Orientation.VERTICAL
{
item.top = startPos.y;
if (align == Align.LEFT)
{
item.left = startPos.x;
}
else if (align == Align.RIGHT)
{
item.right = startPos.x;
}
else if (align == Align.CENTER)
{
// TODO: Handle centering
throw new NotImplementedException("Haven't written CENTER yet");
}
else
{
throw new Exception("Invalid Align/Orientation combination.");
}
}
}
else // prevItem != null
{
if (orientation == Orientation.HORIZONTAL)
{
item.left = prevItem.right;
if (align == Align.TOP)
{
item.top = prevItem.top;
}
else if (align == Align.BOTTOM)
{
item.bot = prevItem.bot;
}
else if (align == Align.CENTER)
{
// TODO: Handle centering
throw new NotImplementedException("Haven't written CENTER yet");
}
else
{
throw new Exception("Invalid Align/Orientation combination.");
}
}
else // orientation == Orientation.VERTICAL
{
item.top = prevItem.bot;
if (align == Align.LEFT)
{
item.left = prevItem.left;
}
else if (align == Align.RIGHT)
{
item.right = prevItem.right;
}
else if (align == Align.CENTER)
{
// TODO: Handle centering
throw new NotImplementedException("Haven't written CENTER yet");
}
else
{
throw new Exception("Invalid Align/Orientation combination.");
}
}
}
prevItem = item;
}
}
/**
* Remove an item
*
* @param item The item to remove
*/
public void removeItem(GUIItem item)
{
items.Add(item);
}
/**
* Add an item
*
* @param item The item to add
*/
public virtual void addItem(GUIItem item)
{
items.Add(item);
}
public virtual void Add(GUIItem the)
{
this.children.Add(the);
}
//Overrides manually adding items to this control.
public override void add(GUIItem item)
{
}
public override void remove(GUIItem item)
{
base.remove(item);
filledSpots--;
}
public override void add(GUIItem item)
{
this.items.Add(item);
filledSpots++;
}