private bool WndProc(Message m)
{
var message = (Utils.ControlExtensions.WindowsMessage)m.Msg;
var control = Control.FromHandle(m.HWnd);
if (control != null && Glyphs.Keys.Any(c => c == control))
{
Point point;
LowHiWordSigned lowHighWord;
Rectangle rect;
var glyphs = this.Glyphs[control].ToList();
switch (message)
{
case ControlExtensions.WindowsMessage.LBUTTONDOWN:
lowHighWord = m.LParam.ToLowHiWordSigned();
point = new Point(lowHighWord.Low, lowHighWord.High);
foreach (var glyph in glyphs)
{
var location = glyph.Location;
location.Offset(glyph.Offset);
rect = new Rectangle(location, glyph.Size);
if (rect.Contains(point))
{
glyph.Clicked = true;
control.Invalidate(rect);
control.Update();
}
else
{
glyph.Clicked = false;
}
}
break;
case ControlExtensions.WindowsMessage.LBUTTONUP:
lowHighWord = m.LParam.ToLowHiWordSigned();
point = new Point(lowHighWord.Low, lowHighWord.High);
foreach (var glyph in glyphs.Where(g => g.Clicked))
{
var location = glyph.Location;
location.Offset(glyph.Offset);
rect = new Rectangle(location, glyph.Size);
if (rect.Contains(point))
{
glyph.PerformClick();
glyph.Clicked = false;
control.Invalidate(rect);
control.Update();
}
}
break;
case ControlExtensions.WindowsMessage.NCHITTEST:
lowHighWord = m.LParam.ToLowHiWordSigned();
point = new Point(lowHighWord.Low, lowHighWord.High);
foreach (var glyph in glyphs)
{
var location = glyph.Location;
location.Offset(glyph.Offset);
point = control.PointToClient(point);
rect = new Rectangle(location, glyph.Size);
if (rect.Contains(point))
{
if (!glyph.Hovered)
{
glyph.Hovered = true;
control.Invalidate(rect);
control.Update();
}
}
else if (glyph.Hovered)
{
glyph.Hovered = false;
glyph.Clicked = false;
control.Invalidate(rect);
control.Update();
}
}
break;
case ControlExtensions.WindowsMessage.NCMOUSELEAVE:
foreach (var glyph in glyphs.Where(g => g.Hovered))
{
var location = glyph.Location;
location.Offset(glyph.Offset);
rect = new Rectangle(location, glyph.Size);
glyph.Hovered = false;
glyph.Clicked = false;
control.Invalidate(rect);
control.Update();
}
break;
case ControlExtensions.WindowsMessage.MOUSEMOVE:
lowHighWord = m.LParam.ToLowHiWordSigned();
point = new Point(lowHighWord.Low, lowHighWord.High);
foreach (var glyph in glyphs)
{
var location = glyph.Location;
location.Offset(glyph.Offset);
rect = new Rectangle(location, glyph.Size);
if (rect.Contains(point))
{
if (!glyph.Hovered)
{
glyph.Hovered = true;
control.Invalidate(rect);
control.Update();
}
}
else if (glyph.Hovered)
{
glyph.Hovered = false;
control.Invalidate(rect);
control.Update();
}
}
if (Keys.LButton.IsPressed())
{
if (!mouseDownControls.Contains(control))
{
control.SetCapture();
control.SendMessage(ControlExtensions.WindowsMessage.NCLBUTTONDOWN, m.WParam, m.LParam);
mouseDownControls.Add(control);
}
}
else
{
if (mouseDownControls.Contains(control))
{
control.ReleaseCapture();
control.SendMessage(ControlExtensions.WindowsMessage.NCLBUTTONUP, m.WParam, m.LParam);
mouseDownControls.Remove(control);
}
}
break;
case ControlExtensions.WindowsMessage.MOUSELEAVE:
foreach (var glyph in glyphs.Where(g => g.Hovered))
{
var location = glyph.Location;
location.Offset(glyph.Offset);
rect = new Rectangle(location, glyph.Size);
glyph.Hovered = false;
glyph.Clicked = false;
control.Invalidate(rect);
control.Update();
}
break;
}
}
else if (control != null && Glyphs.Keys.Any(c => c.GetParentForm() == control))
{
switch (message)
{
case ControlExtensions.WindowsMessage.LBUTTONDOWN:
case ControlExtensions.WindowsMessage.LBUTTONUP:
foreach (var childControl in Glyphs.Keys.Where(c => c.GetParentForm() == control))
{
var lowHighWord = m.LParam.ToLowHiWordSigned();
var point = new Point(lowHighWord.Low, lowHighWord.High);
IntPtr lParam;
point = childControl.TranslatePoint(point, control);
lParam = ControlExtensions.MakeLParam(point.X, point.Y);
m.HWnd = childControl.Handle;
m.LParam = lParam;
WndProc(m);
}
break;
}
}
return(true);
}
