protected override bool HandleLButtonDown(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Correct y since we are in NC land.
NCClientToNC(ref x, ref y);
if (IconRectangleContains(x, y))
{
if ((DateTime.Now - icon_clicked_time).TotalMilliseconds <= SystemInformation.DoubleClickTime)
{
if (icon_popup_menu != null && icon_popup_menu.Wnd != null)
{
icon_popup_menu.Wnd.Hide();
}
form.Close();
return(true);
}
else if (form.Capture)
{
icon_dont_show_popup = true;
}
}
return(base.HandleLButtonDown(ref m));
}
private bool HandleNCLButtonUp(ref Message m)
{
if (form.Capture)
{
ClearVirtualPosition();
form.Capture = false;
state = State.Idle;
if (form.MdiContainer != null)
{
form.MdiContainer.SizeScrollBars();
}
}
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar)
{
HandleTitleBarUp(x, y);
return(true);
}
return(true);
}
protected virtual bool HandleNCHitTest(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar)
{
m.Result = new IntPtr((int)HitTest.HTCAPTION);
return(true);
}
if (!IsSizable)
{
return(false);
}
switch (pos)
{
case FormPos.Top:
m.Result = new IntPtr((int)HitTest.HTTOP);
break;
case FormPos.Left:
m.Result = new IntPtr((int)HitTest.HTLEFT);
break;
case FormPos.Right:
m.Result = new IntPtr((int)HitTest.HTRIGHT);
break;
case FormPos.Bottom:
m.Result = new IntPtr((int)HitTest.HTBOTTOM);
break;
case FormPos.TopLeft:
m.Result = new IntPtr((int)HitTest.HTTOPLEFT);
break;
case FormPos.TopRight:
m.Result = new IntPtr((int)HitTest.HTTOPRIGHT);
break;
case FormPos.BottomLeft:
m.Result = new IntPtr((int)HitTest.HTBOTTOMLEFT);
break;
case FormPos.BottomRight:
m.Result = new IntPtr((int)HitTest.HTBOTTOMRIGHT);
break;
default:
// We return false so that DefWndProc handles things
return(false);
}
return(true);
}
protected virtual void HandleNCLButtonDblClick(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Need to adjust because we are in NC land
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar || pos == FormPos.Top)
{
HandleTitleBarDoubleClick(x, y);
}
}
protected virtual bool HandleNCMouseLeave(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos != FormPos.TitleBar)
{
HandleTitleBarLeave(x, y);
return(true);
}
return(true);
}
protected override bool HandleLButtonDblClick(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Correct since we are in NC land.
NCClientToNC(ref x, ref y);
if (IconRectangleContains(x, y))
{
icon_popup_menu.Wnd.Hide();
form.Close();
return(true);
}
return(base.HandleLButtonDblClick(ref m));
}
protected virtual bool HandleNCLButtonDown(ref Message m)
{
Activate();
start = Cursor.Position;
virtual_position = form.Bounds;
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Need to adjust because we are in NC land
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (form.ActiveMenu != null && XplatUI.IsEnabled(form.Handle))
{
MouseEventArgs mea = new MouseEventArgs(Form.FromParamToMouseButtons(m.WParam.ToInt32()), form.mouse_clicks, x, y - TitleBarHeight, 0);
form.ActiveMenu.OnMouseDown(form, mea);
}
if (pos == FormPos.TitleBar)
{
HandleTitleBarDown(x, y);
return(true);
}
if (IsSizable)
{
if ((pos & FormPos.AnyEdge) == 0)
{
return(false);
}
virtual_position = form.Bounds;
state = State.Sizing;
sizing_edge = pos;
form.Capture = true;
return(true);
}
return(false);
}
protected virtual bool HandleNCMouseMove(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32( ));
int y = Control.HighOrder((int)m.LParam.ToInt32( ));
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar)
{
HandleTitleBarMouseMove(x, y);
return(true);
}
if (form.ActiveMenu != null && XplatUI.IsEnabled(form.Handle))
{
MouseEventArgs mea = new MouseEventArgs(Form.FromParamToMouseButtons(m.WParam.ToInt32()), form.mouse_clicks, x, y, 0);
form.ActiveMenu.OnMouseMove(form, mea);
}
return(true);
}
protected virtual bool HandleNCLButtonDown(ref Message m)
{
Activate();
start = Cursor.Position;
virtual_position = form.Bounds;
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Need to adjust because we are in NC land
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar)
{
HandleTitleBarDown(x, y);
return(true);
}
if (IsSizable)
{
if ((pos & FormPos.AnyEdge) == 0)
{
return(false);
}
virtual_position = form.Bounds;
state = State.Sizing;
sizing_edge = pos;
form.Capture = true;
return(true);
}
return(false);
}
public virtual bool WndProc(ref Message m)
{
#if debug
Console.WriteLine(DateTime.Now.ToLongTimeString() + " " + this.GetType().Name + " (Handle={0},Text={1}) received message {2}", form.IsHandleCreated ? form.Handle : IntPtr.Zero, form.Text, m.ToString());
#endif
switch ((Msg)m.Msg)
{
// The mouse handling messages are actually
// not WM_NC* messages except for the first button and NCMOVEs
// down because we capture on the form
case Msg.WM_MOUSEMOVE:
return(HandleMouseMove(form, ref m));
case Msg.WM_LBUTTONUP:
HandleLButtonUp(ref m);
break;
case Msg.WM_RBUTTONDOWN:
return(HandleRButtonDown(ref m));
case Msg.WM_LBUTTONDOWN:
return(HandleLButtonDown(ref m));
case Msg.WM_LBUTTONDBLCLK:
return(HandleLButtonDblClick(ref m));
case Msg.WM_PARENTNOTIFY:
if (Control.LowOrder(m.WParam.ToInt32()) == (int)Msg.WM_LBUTTONDOWN)
{
Activate();
}
break;
case Msg.WM_NCHITTEST:
return(HandleNCHitTest(ref m));
// Return true from these guys, otherwise win32 will mess up z-order
case Msg.WM_NCLBUTTONUP:
HandleNCLButtonUp(ref m);
return(true);
case Msg.WM_NCLBUTTONDOWN:
HandleNCLButtonDown(ref m);
return(true);
case Msg.WM_NCMOUSEMOVE:
HandleNCMouseMove(ref m);
return(true);
case Msg.WM_NCLBUTTONDBLCLK:
HandleNCLButtonDblClick(ref m);
break;
case Msg.WM_NCMOUSELEAVE:
HandleNCMouseLeave(ref m);
break;
case Msg.WM_MOUSELEAVE:
HandleMouseLeave(ref m);
break;
case Msg.WM_NCCALCSIZE:
return(HandleNCCalcSize(ref m));
case Msg.WM_NCPAINT:
return(HandleNCPaint(ref m));
}
return(false);
}
