public override void AllocResources()
{
_totalWidth = Width;
SelectedGridItem = null;
_scrollPositionX = 0;
_scrollPositionY = 0;
LayoutRows();
SetInitialSelectedItem();
}
public GUIGridCell GetColumnAt(GUIGridRow row, int x)
{
for (int column = 0; column < row.Count; column++)
{
GUIGridCell cell = row.Columns[column];
if (x >= cell._positionX && x < cell._positionX + cell.RenderWidth)
{
return(cell);
}
}
return(null);
}
private void OnDown()
{
if (SelectedGridItem == null)
{
return;
}
SelectedGridItem.Focus = false;
SelectedGridItem = SelectedGridItem.OnDown(_cursorPositionX);
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
}
private void OnRight()
{
if (SelectedGridItem == null)
{
return;
}
SelectedGridItem.Focus = false;
SelectedGridItem = SelectedGridItem.OnRight();
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
_cursorPositionX = SelectedGridItem.Control.XPosition + (SelectedGridItem.RenderWidth / 2);
}
private void SetInitialSelectedItem()
{
if (SelectedGridItem != null)
{
return;
}
if (Count > 0)
{
GUIGridRow row = _rows[0];
if (row.Count > 0)
{
SelectedGridItem = row.Columns[0];
_cursorPositionX = SelectedGridItem.Control.XPosition + (SelectedGridItem.RenderWidth / 2);
}
}
}
public override bool HitTest(int x, int y, out int controlID, out bool focused)
{
bool focus = base.HitTest(x, y, out controlID, out focused);
if (!focus)
{
return(focus);
}
if (Count == 0)
{
return(focus);
}
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = false;
}
SelectedGridItem = GetItemAt(x, y);
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
return(focus);
}
private void OnRight()
{
if (SelectedGridItem == null)
{
return;
}
SelectedGridItem.Focus = false;
SelectedGridItem = SelectedGridItem.OnRight();
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
_cursorPositionX = SelectedGridItem.Control.XPosition + (SelectedGridItem.RenderWidth / 2);
}
private void OnDown()
{
if (SelectedGridItem == null)
{
return;
}
SelectedGridItem.Focus = false;
SelectedGridItem = SelectedGridItem.OnDown(_cursorPositionX);
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
}
private void SetInitialSelectedItem()
{
if (SelectedGridItem != null)
{
return;
}
if (Count > 0)
{
GUIGridRow row = _rows[0];
if (row.Count > 0)
{
SelectedGridItem = row.Columns[0];
_cursorPositionX = SelectedGridItem.Control.XPosition + (SelectedGridItem.RenderWidth / 2);
}
}
}
public override bool HitTest(int x, int y, out int controlID, out bool focused)
{
bool focus = base.HitTest(x, y, out controlID, out focused);
if (!focus)
{
return focus;
}
if (Count == 0)
{
return focus;
}
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = false;
}
SelectedGridItem = GetItemAt(x, y);
if (SelectedGridItem != null)
{
SelectedGridItem.Focus = true;
}
return focus;
}
public override void AllocResources()
{
_totalWidth = Width;
SelectedGridItem = null;
_scrollPositionX = 0;
_scrollPositionY = 0;
LayoutRows();
SetInitialSelectedItem();
}