public static Vector2 SlickViewScrollToRow(InternalSlickViewState ilvState, Vector2 currPos, int row)
{
if (ilvState.invisibleRows < row && ilvState.endRow > row)
{
return(currPos);
}
if (row <= ilvState.invisibleRows)
{
currPos.y = ilvState.state.rowHeight * row;
}
else
{
currPos.y = ilvState.state.rowHeight * (row + 1) - ilvState.rectHeight;
}
if (currPos.y < 0)
{
currPos.y = 0;
}
else if (currPos.y > ilvState.state.totalRows * ilvState.state.rowHeight - ilvState.rectHeight)
{
currPos.y = ilvState.state.totalRows * ilvState.state.rowHeight - ilvState.rectHeight;
}
return(currPos);
}
public SlickViewElementsEnumerator(InternalSlickViewState ilvState, int yFrom, int yTo, string dragTitle, Rect firstRect)
{
xTo = 0;
this.yFrom = yFrom;
this.yTo = yTo;
this.firstRect = firstRect;
rect = firstRect;
quiting = ilvState.state.totalRows == 0;
this.ilvState = ilvState;
Reset();
}
private static bool DoLVPageUpDown(InternalSlickViewState ilvState, ref int selectedRow, ref Vector2 scrollPos, bool up)
{
var visibleRows = ilvState.endRow - ilvState.invisibleRows;
if (up)
{
if (OSX)
{
scrollPos.y -= ilvState.state.rowHeight * visibleRows;
if (scrollPos.y < 0)
{
scrollPos.y = 0;
}
}
else
{
selectedRow -= visibleRows;
if (selectedRow < 0)
{
selectedRow = 0;
}
return(true);
}
}
else
{
if (OSX)
{
scrollPos.y += ilvState.state.rowHeight * visibleRows;
//FIXME: does this need an upper bound check?
}
else
{
selectedRow += visibleRows;
if (selectedRow >= ilvState.state.totalRows)
{
selectedRow = ilvState.state.totalRows - 1;
}
return(true);
}
}
return(false);
}
public static bool HasMouseDown(InternalSlickViewState ilvState, Rect r, int button)
{
if (Event.current.type == EventType.MouseDown && Event.current.button == button)
{
if (r.Contains(Event.current.mousePosition))
{
GUIUtility.hotControl = ilvState.state.ID;
GUIUtility.keyboardControl = ilvState.state.ID;
Event.current.Use();
return(true);
}
}
return(false);
}
public static Vector2 SlickViewScrollToRow(InternalSlickViewState ilvState, int row)
{
return(SlickViewScrollToRow(ilvState, ilvState.state.scrollPos, row));
}
public static bool SendKey(InternalSlickViewState ilvState, KeyCode keyCode, int totalCols)
{
var state = ilvState.state;
var previousRow = state.row;
//ilvState.state.row, ref ilvState.state.column, ref ilvState.state.scrollPos
switch (keyCode)
{
case KeyCode.UpArrow:
{
if (state.row > 0)
{
state.row--;
}
// If nothing is selected, upArrow selects the 1st element
else if (state.row == -1)
{
state.row = 0;
}
break;
}
case KeyCode.DownArrow:
{
if (state.row < state.totalRows - 1)
{
state.row++;
}
break;
}
case KeyCode.Home:
{
state.row = 0;
break;
}
case KeyCode.End:
{
state.row = state.totalRows - 1;
break;
}
case KeyCode.LeftArrow:
if (state.column > 0)
{
state.column--;
}
break;
case KeyCode.RightArrow:
if (state.column < totalCols - 1)
{
state.column++;
}
break;
case KeyCode.PageUp:
{
if (!DoLVPageUpDown(ilvState, ref state.row, ref state.scrollPos, true))
{
Event.current.Use();
return(false);
}
break;
}
case KeyCode.PageDown:
{
if (!DoLVPageUpDown(ilvState, ref state.row, ref state.scrollPos, false))
{
Event.current.Use();
return(false);
}
break;
}
case KeyCode.A: // must evade the return false and be handled by MultiSelection if needed
break;
default:
return(false);
}
state.scrollPos = SlickViewScrollToRow(ilvState, state.scrollPos, state.row);
Event.current.Use();
return(true);
}
public static bool HasMouseDown(InternalSlickViewState ilvState, Rect r)
{
return(HasMouseDown(ilvState, r, 0));
}
