private void glControl_Load(object sender, EventArgs e)
{
InitialDimension();
glControl.Width = Convert.ToInt32(width * columns);
glControl.Height = Convert.ToInt32(height * rows);
cursor = new RectangleF(0, 0, width, height);
backBuffer = new FrameBuffer(glControl.Width, glControl.Height);
pingPongBuffer = new FrameBuffer(glControl.Width, glControl.Height);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, glControl.Width, glControl.Height, 0, -1, 1);
GL.Viewport(0, 0, glControl.Width, glControl.Height);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.Disable(EnableCap.DepthTest);
GL.Disable(EnableCap.Lighting);
GL.ClearColor(bgColor);
}
private void glControl_Load(object sender, EventArgs e)
{
_font = new FontGroup(glControl.Font);
_font.Color = _fgColor;
_width = _font.MonoSpaceWidth;
_height = _font.LineSpacing;
glControl.Width = Convert.ToInt32(_width * _columns);
glControl.Height = Convert.ToInt32(_height * _rows);
_cursor = new RectangleF(0, 0, _width, _height);
_backBuffer = new FrameBuffer(glControl.Width, glControl.Height);
_pingPongBuffer = new FrameBuffer(glControl.Width, glControl.Height);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, glControl.Width, glControl.Height, 0, -1, 1);
GL.Viewport(0, 0, glControl.Width, glControl.Height);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.Disable(EnableCap.DepthTest);
GL.Disable(EnableCap.Lighting);
GL.ClearColor(_bgColor);
}
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();
}
}