|
public static IsCursorOver ( |
||
| element | ||
| cursorPos | Vector2 | |
| Результат | bool | |
/// <summary>
///
/// </summary>
/// <param name="cursorPos"></param>
public override void OnCursorPressed(Vector2 cursorPos)
{
if (!this.scrollHandle.IsVisible)
{
return; // don't care about clicks if text not scrollable
}
Vector2 co = Widget.CursorOffset(this.scrollHandle, cursorPos);
if (co.LengthSquared <= 81)
{
this.isDragging = true;
this.dragOffset = co.y;
}
else if (Widget.IsCursorOver(this.scrollTrack, cursorPos))
{
Real newTop = this.scrollHandle.Top + co.y;
Real lowerBoundary = this.scrollTrack.Height - this.scrollHandle.Height;
this.scrollHandle.Top = Math.Utility.Clamp <Real>(newTop, lowerBoundary, 0);
// update text area contents based on new scroll percentage
this.scrollPercentage = Math.Utility.Clamp <Real>(newTop / lowerBoundary, 1, 0);
FilterLines();
}
base.OnCursorPressed(cursorPos);
}
/// <summary>
///
/// </summary>
/// <param name="cursorPos"></param>
public override void OnCursorPressed(Vector2 cursorPos)
{
if (!this.handle.IsVisible)
{
return;
}
Vector2 co = Widget.CursorOffset(this.handle, cursorPos);
if (co.LengthSquared <= 81)
{
this.isDragging = true;
this.dragOffset = co.x;
}
else if (Widget.IsCursorOver(this.track, cursorPos))
{
Real newLeft = this.handle.Left + co.x;
Real rightBoundary = this.track.Width - this.handle.Width;
this.handle.Left = Math.Utility.Clamp <Real>(newLeft, rightBoundary, 0);
Value = GetSnappedValue(newLeft / rightBoundary);
}
base.OnCursorPressed(cursorPos);
}
/// <summary>
///
/// </summary>
/// <param name="evt"></param>
/// <param name="id"></param>
/// <returns></returns>
public override bool MousePressed(SIS.MouseEventArgs evt, SIS.MouseButtonID id)
{
if (this.TrayManager.InjectMouseDown(evt, id))
{
return(true);
}
if (this.TitleLabel.TrayLocation != TrayLocation.None)
{
for (int i = 0; i < this.Thumbs.Count; i++)
{
if (this.Thumbs[i].IsVisible &&
Widget.IsCursorOver(this.Thumbs[i],
new Vector2(this.TrayManager.CursorContainer.Left, this.TrayManager.CursorContainer.Top),
0))
{
this.SampleMenu.SelectItem(i);
break;
}
}
}
try
{
return(base.MousePressed(evt, id));
}
catch (Exception ex)
{
RunSample(null);
string msg = ex.Message + "\nSource: " + ex.InnerException;
LogManager.Instance.Write("[Samples] Error! " + msg);
this.TrayManager.ShowOkDialog("Error!", msg);
}
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="cursorPos"></param>
public override void OnCursorPressed(Vector2 cursorPos)
{
OverlayManager om = OverlayManager.Instance;
if (this.isExpanded)
{
if (this.scrollHandle.IsVisible) // check for scrolling
{
Vector2 co = Widget.CursorOffset(this.scrollHandle, cursorPos);
if (co.LengthSquared <= 81)
{
this.isDragging = true;
this.dragOffset = co.y;
return;
}
else if (Widget.IsCursorOver(this.scrollTrack, cursorPos))
{
Real newTop = this.scrollHandle.Top + co.y;
Real lowerBoundary = this.scrollTrack.Height - this.scrollHandle.Height;
this.scrollHandle.Top = Math.Utility.Clamp <Real>(newTop, lowerBoundary, 0);
var scrollPercentage = Math.Utility.Clamp <Real>(newTop / lowerBoundary, 1, 0);
DisplayIndex = (int)(scrollPercentage * (this.items.Count - this.itemElements.Count) + 0.5);
return;
}
}
if (!IsCursorOver(this.expandedBox, cursorPos, 3))
{
Retract();
}
else
{
Real l = this.itemElements[0].DerivedLeft * om.ViewportWidth + 5;
Real t = this.itemElements[0].DerivedTop * om.ViewportHeight + 5;
Real r = l + this.itemElements[this.itemElements.Count - 1].Width - 10;
Real b = this.itemElements[this.itemElements.Count - 1].DerivedTop * om.ViewportHeight +
this.itemElements[this.itemElements.Count - 1].Height - 5;
if (cursorPos.x >= l && cursorPos.x <= r && cursorPos.y >= t && cursorPos.y <= b)
{
if (this.highlightIndex != this.sectionIndex)
{
SelectItem(this.highlightIndex);
}
Retract();
}
}
}
else
{
if (this.items.Count < 2)
{
return; // don't waste time showing a menu if there's no choice
}
if (IsCursorOver(this.smallBox, cursorPos, 4))
{
this.expandedBox.Show();
this.smallBox.Hide();
// calculate how much vertical space we need
Real idealHeight = this.itemsShown * (this.smallBox.Height - 8) + 20;
this.expandedBox.Height = idealHeight;
this.scrollTrack.Height = this.expandedBox.Height - 20;
this.expandedBox.Left = this.smallBox.Left - 4;
// if the expanded menu goes down off the screen, make it go up instead
if (this.smallBox.DerivedTop * om.ViewportHeight + idealHeight > om.ViewportHeight)
{
this.expandedBox.Top = this.smallBox.Top + this.smallBox.Height - idealHeight + 3;
// if we're in thick style, hide the caption because it will interfere with the expanded menu
if (this.textArea.HorizontalAlignment == HorizontalAlignment.Center)
{
this.textArea.Hide();
}
}
else
{
this.expandedBox.Top = this.smallBox.Top + 3;
}
this.isExpanded = true;
this.highlightIndex = this.sectionIndex;
DisplayIndex = this.highlightIndex;
if (this.itemsShown < this.items.Count) // update scrollbar position
{
this.scrollHandle.Show();
Real lowerBoundary = this.scrollTrack.Height - this.scrollHandle.Height;
this.scrollHandle.Top = (int)(this.displayIndex * lowerBoundary / (this.items.Count - this.itemElements.Count));
}
else
{
this.scrollHandle.Hide();
}
}
}
base.OnCursorPressed(cursorPos);
}