private void NeovimOnRedraw(object sender, NeovimRedrawEventArgs e)
{
bool shouldInvalidate = false;
backBuffer.Bind();
foreach (var method in e.Methods)
{
switch (method.Method)
{
case RedrawMethodType.Clear:
shouldInvalidate = true;
GL.Clear(ClearBufferMask.ColorBufferBit);
break;
case RedrawMethodType.Resize:
var columns = method.Params[0][1].AsInteger();
var rows = method.Params[0][0].AsInteger();
if (rows == this.rows && columns == this.columns)
{
return;
}
break;
case RedrawMethodType.UpdateForeground:
font.Color = ColorFromRgb(method.Params[0][0].AsInteger());
break;
case RedrawMethodType.UpdateBackground:
bgColor = ColorFromRgb(method.Params[0][0].AsInteger());
GL.ClearColor(bgColor);
break;
case RedrawMethodType.HighlightSet:
foreach (var arg in method.Params)
{
var dict = arg[0].AsDictionary();
foreach (var entry in dict)
{
var str = entry.Key.AsString(Encoding.Default);
if (str == "foreground")
{
font.Color = ColorFromRgb(entry.Value.AsInteger());
}
else if (str == "background")
{
}
else if (str == "bold")
{
if (entry.Value.AsBoolean())
{
font.FontStyle |= FontStyle.Bold;
}
else
{
font.FontStyle &= ~FontStyle.Bold;
}
}
else if (str == "italic")
{
if (entry.Value.AsBoolean())
{
font.FontStyle |= FontStyle.Italic;
}
else
{
font.FontStyle &= FontStyle.Italic;
}
}
}
}
break;
case RedrawMethodType.EolClear:
shouldInvalidate = true;
DrawRectangle(new RectangleF(cursor.X, cursor.Y, this.columns * this.width - cursor.X, this.height), bgColor);
break;
case RedrawMethodType.SetTitle:
Text = method.Params[0][0].AsString(Encoding.Default);
break;
case RedrawMethodType.Put:
shouldInvalidate = true;
List <byte> bytes = new List <byte>();
foreach (var arg in method.Params)
{
bytes.AddRange(arg[0].AsBinary());
}
var text = Encoding.Default.GetString(bytes.ToArray());
var tSize = font.Measure(text);
DrawRectangle(new RectangleF(cursor.Location, tSize), bgColor);
GL.Enable(EnableCap.Blend);
font.Print(text, new Vector2(cursor.X, cursor.Y));
GL.Disable(EnableCap.Blend);
GL.Color4(Color.White);
cursor.X += tSize.Width;
if (cursor.X >= this.columns * this.width) // Don't know if this is needed
{
cursor.X = 0;
cursor.Y += this.height;
}
break;
case RedrawMethodType.CursorGoto:
shouldInvalidate = true;
cursor.Y = method.Params[0][0].AsInteger() * this.height;
cursor.X = method.Params[0][1].AsInteger() * this.width;
break;
case RedrawMethodType.Scroll:
// Amount to scroll
var count = method.Params[0][0].AsSByte();
if (count == 0)
{
return;
}
var srcRect = new RectangleF();
var dstRect = new RectangleF();
var clearRect = new RectangleF();
// Scroll up
if (count >= 1)
{
srcRect = new RectangleF(scrollRegion.X, scrollRegion.Y + this.height, scrollRegion.Width,
scrollRegion.Height - this.height);
dstRect = new RectangleF(scrollRegion.X, scrollRegion.Y, scrollRegion.Width,
scrollRegion.Height - this.height);
clearRect = new RectangleF(scrollRegion.X, scrollRegion.Y + scrollRegion.Height - this.height,
scrollRegion.Width, this.height + 1);
}
// Scroll down
else if (count <= -1)
{
srcRect = new RectangleF(scrollRegion.X, scrollRegion.Y, scrollRegion.Width,
scrollRegion.Height - this.height);
dstRect = new RectangleF(scrollRegion.X, scrollRegion.Y + this.height, scrollRegion.Width,
scrollRegion.Height - this.height);
clearRect = new RectangleF(scrollRegion.X, scrollRegion.Y, scrollRegion.Width,
this.height + 1);
}
pingPongBuffer.Bind();
backBuffer.Texture.Bind();
DrawTexturedRectangle(srcRect, dstRect);
backBuffer.Bind();
pingPongBuffer.Texture.Bind();
DrawTexturedRectangle(dstRect, dstRect);
Texture2D.Unbind();
DrawRectangle(clearRect, bgColor);
break;
case RedrawMethodType.SetScrollRegion:
var x = method.Params[0][2].AsInteger() * this.width;
var y = method.Params[0][0].AsInteger() * this.height;
var width = (method.Params[0][3].AsInteger() + 1) * this.width;
var height = (method.Params[0][1].AsInteger() + 1) * this.height;
scrollRegion = new RectangleF(x, y, width, height);
break;
case RedrawMethodType.ModeChange:
shouldInvalidate = true;
var mode = method.Params[0][0].AsString(Encoding.Default);
if (mode == "insert")
{
cursor.Width = this.width / 4;
}
else if (mode == "normal")
{
cursor.Width = this.width;
}
break;
}
}
FrameBuffer.Unbind();
if (shouldInvalidate)
{
glControl.Invalidate();
}
}
private void OnRedraw(object sender, NeovimRedrawEventArgs e)
{
foreach (var f in e.Functions)
{
var list = f.AsList();
string function = list[0].AsString(Encoding.Default);
IList <IList <MessagePackObject> > args = new List <IList <MessagePackObject> >();
for (int i = 1; i < list.Count; i++)
{
args.Add(list[i].AsList());
}
switch (function)
{
case "clear":
UpdateTerminal((t) => t.Clear());
break;
case "resize":
UpdateTerminal((t) => t.Resize(args[0][1].AsInt32(), args[0][0].AsInt32()));
break;
case "update_fg":
break;
case "update_bg":
break;
case "highlight_set":
System.Drawing.Color fg = System.Drawing.Color.White;
bool bold = false;
bool italic = false;
foreach (var arg in args)
{
var dict = arg[0].AsDictionary();
foreach (var entry in dict)
{
var str = entry.Key.AsString(Encoding.Default);
if (str == "foreground")
{
uint c = entry.Value.AsUInt32();
byte r = (byte)(c >> 16);
byte g = (byte)(c >> 8);
byte b = (byte)(c >> 0);
fg = System.Drawing.Color.FromArgb(r, g, b);
}
else if (str == "bold")
{
bold = entry.Value.AsBoolean();
}
else if (str == "italic")
{
italic = entry.Value.AsBoolean();
}
}
}
UpdateTerminal((t) => t.Highlight(fg, bold, italic));
break;
case "eol_clear":
UpdateTerminal((t) => t.ClearToEnd());
break;
case "set_title":
this.Title = args[0][0].AsString(Encoding.Default);
break;
case "put":
List <byte> bytes = new List <byte>();
foreach (var arg in args)
{
bytes.AddRange(arg[0].AsBinary());
}
UpdateTerminal((t) => t.PutText(Encoding.Default.GetString(bytes.ToArray())));
break;
case "cursor_goto":
UpdateTerminal((t) => t.MoveCaret(args[0][0].AsInt32(), args[0][1].AsInt32()));
break;
case "scroll":
UpdateTerminal((t) => t.Scroll(args[0][0].AsSByte()));
break;
case "set_scroll_region":
break;
case "normal_mode":
UpdateTerminal((t) => t.Caret.Width = t.CellWidth);
break;
case "insert_mode":
UpdateTerminal((t) => t.Caret.Width = 3);
break;
case "busy_start":
break;
case "busy_stop":
break;
case "mouse_on":
break;
case "mouse_off":
break;
}
}
UpdateTerminal((t) => t.SwapBuffers());
}
