private void Control_Click(object sender, EventArgs e)
{
this.Focus();
int index = Controls.IndexOf((Control)sender);
if (index == m_Selected && ToggleSelection)
{
index = -1;
}
SelectedIndex = index;
UserSelected?.Invoke(this, EventArgs.Empty);
}
private void SelectionPanel_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Left:
case Keys.Up:
if (m_Selected == -1)
{
SelectedIndex = Controls.Count - 1;
UserSelected?.Invoke(this, EventArgs.Empty);
}
else if (m_Selected > 0)
{
int newSelection = m_Selected - 1;
while (newSelection > 0 && Controls[m_Selected].Visible == false)
{
newSelection -= 1;
}
if (Controls[newSelection].Visible == false)
{
return; // failed to find any visible control in this direction
}
SelectedIndex = newSelection;
UserSelected?.Invoke(this, EventArgs.Empty);
// If m_Selected = 0 then no change
}
break;
case Keys.Right:
case Keys.Down:
if (m_Selected == -1)
{
SelectedIndex = 0;
UserSelected?.Invoke(this, EventArgs.Empty);
}
else if (m_Selected < Controls.Count - 1)
{
int newSelection = m_Selected + 1;
while (newSelection < Controls.Count - 1 && Controls[newSelection].Visible == false)
{
newSelection += 1;
}
if (Controls[newSelection].Visible == false)
{
return; // failed to find any visible control in this direction
}
SelectedIndex = newSelection;
UserSelected?.Invoke(this, EventArgs.Empty);
}
break;
}
}
private void TimerProc(object state)
{
// The state object is the Timer object.
Timer t = (Timer)state;
t.Dispose();
Console.WriteLine("The timer callback executes.");
//-----------------------------------------
// INVOKE A EVENT
//-----------------------------------------
UserSelected?.Invoke(this, "User1");
}
private void SurfaceOnMouseLeftButtonDown(object sender, MouseEventArgs e)
{
_mouseDownPosition = e.GetPosition(null);
_mouseMoved = false;
var time = DateTime.UtcNow.TimeOfDay;
if ((time - _lastMouseDownTime).TotalMilliseconds < DoubleClickDelay)
{
_mouseMoved = true;
var surface = (FrameworkElement)sender;
var point = e.GetPosition(surface);
var origin = _position + new Vector2(
(float)((point.X / surface.ActualWidth * 2 - 1) / _scale * Aspect),
(float)((1 - point.Y / surface.ActualHeight * 2) / _scale))
.Rotate(-_rotation);
var minDistance = float.PositiveInfinity;
_selectedUserId = -1;
var nodes = _nodesBuffer.GetData();
for (var i = 0; i < _users.Length; i++)
{
var distance = (nodes[i].Position - origin).Length();
if (distance < PhotoRadius && distance < minDistance)
{
minDistance = distance;
_selectedUserId = i;
}
}
if (_selectedUserId != -1)
{
var user = _users[_selectedUserId].Model;
UserSelected?.Invoke(user);
UserNavigated?.Invoke(user);
}
}
_lastMouseDownTime = time;
}
private void ResultUser_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
UserSelected?.Invoke(null, ((ResultUser)sender).Mid);
}
private void SurfaceOnMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (_mouseMoved)
{
return;
}
var surface = (FrameworkElement)sender;
var point = e.GetPosition(surface);
var origin = _position + new Vector2(
(float)((point.X / surface.ActualWidth * 2 - 1) / _scale * Aspect),
(float)((1 - point.Y / surface.ActualHeight * 2) / _scale))
.Rotate(-_rotation);
var prevSelectedId = _selectedUserId;
var minDistance = float.PositiveInfinity;
_selectedUserId = -1;
var nodes = _nodesBuffer.GetData();
for (var i = 0; i < _users.Length; i++)
{
var distance = (nodes[i].Position - origin).Length();
if (distance < PhotoRadius && distance < minDistance)
{
minDistance = distance;
_selectedUserId = i;
}
}
if (prevSelectedId == _selectedUserId)
{
return;
}
for (var i = 0; i < _users.Length; i++)
{
nodes[i].Width = 1f;
}
_selectedEdgesBuffer?.Dispose();
_selectedEdgesBuffer = null;
if (_selectedUserId != -1)
{
nodes[_selectedUserId].Width = SelectedPhotoWidth;
foreach (var friend in _users[_selectedUserId].AllFriends)
{
nodes[friend].Width = SelectedFriendsPhotoWidth;
}
var edges = _users[_selectedUserId].AllFriends.Select(i => new EdgeVertex(_selectedUserId, i)).ToArray();
if (edges.Length != 0)
{
_selectedEdgesBuffer = Buffer.Structured.New(GraphicsDevice, edges);
}
UserSelected?.Invoke(_users[_selectedUserId].Model);
}
_nodesBuffer.SetData(nodes);
_newNodesBuffer.SetData(nodes);
}
