private bool HandleMouseButton(WindowMouseEvent e)
{
Client.Position.Width = Client.CurrentLeft;
if (e.MousePosition.Y > Position.Bottom - TextHeight)
{
int thumbOffset = (Position.Width - 3 * TextHeight) * scrollPosition / ScrollSize;
// Mouse down occured within the scrollbar.
if (e.MousePosition.X < Position.Left + TextHeight)
{
// Mouse down occured on left button.
SetScrollPosition(scrollPosition - 10);
}
else if (e.MousePosition.X < Position.Left + TextHeight + thumbOffset)
{
// Mouse down occured on left gutter.
SetScrollPosition(scrollPosition - 100);
}
else if (e.MousePosition.X > Position.Right - TextHeight)
{
// Mouse down occured on right button.
SetScrollPosition(scrollPosition + 10);
}
else if (e.MousePosition.X > Position.Left + 2 * TextHeight + thumbOffset)
{
// Mouse down occured on right gutter.
SetScrollPosition(scrollPosition + 100);
}
capturedForDragging = true;
return(true);
}
return(false);
}
private bool HandleMouseButton(WindowMouseEvent e)
{
Client.Position.Height = Client.CurrentTop;
if (e.MousePosition.X > Position.Right - TextHeight)
{
int thumbOffset = (Position.Height - 3 * TextHeight) * scrollPosition / ScrollSize;
// Mouse down occured within the scrollbar.
if (e.MousePosition.Y < Position.Top + TextHeight)
{
// Mouse down occured on top button.
SetScrollPosition(scrollPosition - 10);
}
else if (e.MousePosition.Y < Position.Top + TextHeight + thumbOffset)
{
// Mouse down occured on top gutter.
SetScrollPosition(scrollPosition - 100);
}
else if (e.MousePosition.Y > Position.Bottom - TextHeight)
{
// Mouse down occured on bottom button.
SetScrollPosition(scrollPosition + 10);
}
else if (e.MousePosition.Y > Position.Top + 2 * TextHeight + thumbOffset)
{
// Mouse down occured on bottom gutter.
SetScrollPosition(scrollPosition + 100);
}
capturedForDragging = true;
return(true);
}
return(false);
}
internal override bool HandleUserInput(WindowMouseEvent e)
{
if (base.HandleUserInput(e))
{
return(true);
}
return(true);
}
internal override bool HandleMouseUp(WindowMouseEvent e)
{
if (Dragging)
{
Dragging = false;
}
return(base.HandleMouseUp(e));
}
internal override bool HandleMouseMove(WindowMouseEvent e)
{
if (capturedForDragging)
{
SetScrollPosition(scrollPosition + e.Movement.Y);
return(true);
}
return(base.HandleMouseMove(e));
}
internal override bool HandleMouseScroll(WindowMouseEvent e)
{
if (e.MouseWheelDelta != 0)
{
SetScrollPosition(scrollPosition - e.MouseWheelDelta);
return(true);
}
return(base.HandleMouseScroll(e));
}
internal override bool HandleMouseScroll(WindowMouseEvent e)
{
foreach (var control in controls.Where(c => c.Position.Contains(e.MousePosition)))
{
if (control.HandleMouseScroll(e))
{
return(true);
}
}
return(base.HandleMouseScroll(e));
}
internal override bool HandleMouseMove(WindowMouseEvent e)
{
if (UserInput.IsMouseLeftButtonDown && Dragging && UserInput.MouseMovedUp)
{
SetScrollPosition(ScrollPosition - (int)(DragThumbOffset * UserInput.MouseSpeedY));
}
if (UserInput.IsMouseLeftButtonDown && Dragging && UserInput.MouseMovedDown)
{
SetScrollPosition(ScrollPosition + (int)(DragThumbOffset * UserInput.MouseSpeedY));
}
return(base.HandleMouseMove(e));
}
internal override bool HandleUserInput(WindowMouseEvent e)
{
if (UserInput.IsMouseLeftButtonDown)
{
Client.Position.Height = Client.CurrentTop;
if (e.MouseDownPosition.X > Position.Right - TextHeight)
{
var thumbOffset = (int)((float)(Position.Height - 3 * TextHeight) * (float)ScrollPosition / (float)ScrollSize);
// Mouse down occured within the scrollbar.
if (!Dragging && e.MouseDownPosition.Y < Position.Top + TextHeight)
{
// Mouse down occured on top button.
SetScrollPosition(ScrollPosition - 10);
}
else if (!Dragging && e.MouseDownPosition.Y < Position.Top + TextHeight + thumbOffset)
{
// Mouse down occured on top gutter.
SetScrollPosition(ScrollPosition - 100);
}
else if (!Dragging && e.MouseDownPosition.Y > Position.Bottom - TextHeight)
{
// Mouse down occured on bottom button.
SetScrollPosition(ScrollPosition + 10);
}
else if (!Dragging && e.MouseDownPosition.Y > Position.Top + 2 * TextHeight + thumbOffset)
{
// Mouse down occured on bottom gutter.
SetScrollPosition(ScrollPosition + 100);
}
else if (e.MouseDownPosition.Y > Position.Top + TextHeight + thumbOffset && e.MouseDownPosition.Y < Position.Top + 2 * TextHeight + thumbOffset && !Dragging)
{
Dragging = true;
DragThumbOffset = e.MousePosition.Y - (Position.Top + TextHeight + thumbOffset);
}
return(true);
}
}
if (UserInput.IsMouseWheelChanged)
{
SetScrollPosition(ScrollPosition - UserInput.MouseWheelChange);
}
return(base.HandleUserInput(e));
}
internal override bool HandleMouseMove(WindowMouseEvent e)
{
if (base.HandleMouseMove(e))
{
return(true);
}
if (UserInput.IsMouseLeftButtonDown && !Dragging && (DragWindowOffset != DragInvalid) && ((MathHelper.Distance(e.MouseScreenPosition.X, e.MouseDownScreenPosition.X) > WindowManager.DragMinimumDistance) || (MathHelper.Distance(e.MouseScreenPosition.Y, e.MouseDownScreenPosition.Y) > WindowManager.DragMinimumDistance)))
{
Dragging = true;
}
else if (UserInput.IsMouseLeftButtonDown && Dragging)
{
Window.MoveTo(e.MouseScreenPosition.X - DragWindowOffset.X, e.MouseScreenPosition.Y - DragWindowOffset.Y);
}
return(true);
}
internal override bool HandleUserInput(WindowMouseEvent e)
{
if (UserInput.IsMouseLeftButtonDown)
{
Client.Position.Width = Client.CurrentLeft;
if (e.MouseDownPosition.Y > Position.Bottom - TextHeight)
{
var thumbOffset = (int)((float)(Position.Width - 3 * TextHeight) * (float)ScrollPosition / (float)ScrollSize);
// Mouse down occured within the scrollbar.
if (!Dragging && e.MouseDownPosition.X < Position.Left + TextHeight)
{
// Mouse down occured on left button.
SetScrollPosition(ScrollPosition - 10);
}
else if (!Dragging && e.MouseDownPosition.X < Position.Left + TextHeight + thumbOffset)
{
// Mouse down occured on left gutter.
SetScrollPosition(ScrollPosition - 100);
}
else if (!Dragging && e.MouseDownPosition.X > Position.Right - TextHeight)
{
// Mouse down occured on right button.
SetScrollPosition(ScrollPosition + 10);
}
else if (!Dragging && e.MouseDownPosition.X > Position.Left + 2 * TextHeight + thumbOffset)
{
// Mouse down occured on right gutter.
SetScrollPosition(ScrollPosition + 100);
}
else if (e.MouseDownPosition.X > Position.Left + TextHeight + thumbOffset && e.MouseDownPosition.X < Position.Left + 2 * TextHeight + thumbOffset && !Dragging)
{
// Mouse down occured on the thumb
Dragging = true;
DragThumbOffset = e.MousePosition.X - (Position.Left + TextHeight + thumbOffset);
}
return(true);
}
}
return(base.HandleUserInput(e));
}
internal override bool HandleMouseDown(WindowMouseEvent e)
{
DragWindowOffset = DragInvalid;
if (base.HandleMouseDown(e))
{
return(true);
}
// prevent from dragging when clicking on vertical scrollbar
if (MathHelper.Distance(base.RemainingWidth, e.MousePosition.X) < 20)
{
return(false);
}
// prevent from dragging when clicking on horizontal scrollbar
if (MathHelper.Distance(base.RemainingHeight, e.MousePosition.Y) < 20)
{
return(false);
}
DragWindowOffset = new Point(e.MouseDownScreenPosition.X - Window.Location.X, e.MouseDownScreenPosition.Y - Window.Location.Y);
return(true);
}
internal virtual void MouseClick(WindowMouseEvent e)
{
OnClick?.Invoke(this, new MouseClickEventArgs(e.MousePosition - position.Location, e.KeyModifiers));
}
internal virtual bool HandleMouseReleased(WindowMouseEvent e)
{
return(false);
}
internal virtual bool HandleMouseScroll(WindowMouseEvent e)
{
return(false);
}
internal virtual bool HandleMouseClicked(WindowMouseEvent e)
{
MouseClick(e);
return(false);
}
internal virtual bool HandleUserInput(WindowMouseEvent e)
{
return(false);
}
internal override bool HandleMouseReleased(WindowMouseEvent e)
{
capturedForDragging = false;
return(base.HandleMouseReleased(e));
}
internal virtual void MouseClick(WindowMouseEvent e)
{
OnClick(new Point(e.MouseDownPosition.X - Position.X, e.MouseDownPosition.Y - Position.Y));
}
internal override bool HandleMousePressed(WindowMouseEvent e)
{
return(HandleMouseButton(e) || base.HandleMousePressed(e));
}
