internal void Render(Region window, DotConsoleRegion owner)
{
int height = Options.Orgin.Y + window.Top + (contentBuffer.GetLengthOfY());
int width = Options.Orgin.X + window.Left + (contentBuffer.GetLengthOfX());
int top = Options.Orgin.Y + window.Top;
int left = Options.Orgin.X + window.Left;
//If we're rendering at the bottom the orgin moves the content up.
if (Options.Position == ContentPosition.Bottom)
{
height = window.Height - Options.Orgin.Y;
int sizeOfY = contentBuffer.GetLengthOfY();
if (sizeOfY < window.Height)
{
top = window.Height - Options.Orgin.Y - (contentBuffer.GetLengthOfY());
}
}
if (Options.WillScrollContent == true)
{
top = Options.Orgin.Y;
}
//Scrollable content regions will not move with the window so theres no point to save state.
else
{
savedContentBuffer = null;
if (owner != null)
{
savedContentBuffer = Restore(owner, new Region()
{
Left = left, Top = top, Height = height, Width = width
});
}
else
{
savedContentBuffer = Renderer.ReadOutput(new Region()
{
Left = left, Top = top, Height = height, Width = width
});
}
}
savedCoordsWithOffset.X = left;
savedCoordsWithOffset.Y = top;
if (owner != null)
{
Merge(owner.contentBuffer, this.contentBuffer);
}
else
{
Renderer.WriteOutput(savedCoordsWithOffset, this.contentBuffer);
}
}
/// <summary>
///Hides the contents of this buffer and shows orginal contents under the region.
/// </summary>
internal void Restore(DotConsoleRegion owner)
{
if (savedContentBuffer != null)
{
if (owner != null)
{
Merge(owner.contentBuffer, savedContentBuffer);
}
else
{
Renderer.WriteOutput(savedCoordsWithOffset, savedContentBuffer);
}
}
}
/// <summary>
/// Calculates where to put the cursor.
/// </summary>
internal void CalculateCursorBetweenRegions()
{
var wnd = Renderer.GetOutputBufferWindow();
//Pick the max buffer size and scroll to that spot, this is mainly done to reducre the flickering.
var maxY = -1;
var maxX = -1;
DotConsoleRegion maxYRegion = null;
int current = maxY;
//Always pick the parent if child regions don't need to scroll the window.
var wndY = wnd.Top + wnd.Height;
foreach (var region in regions)
{
current = region.currentBufferSize.Y + region.Options.Orgin.Y;
if (current > maxY)
{
maxY = current;
maxYRegion = region;
}
}
current = this.currentBufferSize.Y + Options.Orgin.Y;
if (current > maxY)
{
maxYRegion = this;
maxY = current;
}
else if (maxY < wndY)
{
maxYRegion = this;
maxY = current;
}
//Once we have the region with the biggest value of Y we use it's X coordinate.
maxX = Math.Min(maxYRegion.currentBufferSize.X + maxYRegion.Options.Orgin.X, maxYRegion.Options.BufferSize.X);
var position = new Coordinates()
{
X = Math.Min(maxX, maxYRegion.Options.BufferSize.X - 1), Y = Math.Min(maxY, maxYRegion.Options.BufferSize.Y - 1)
};
if (savedCursorPosition.X != position.X || savedCursorPosition.Y != position.Y)
{
Renderer.SetCursorPosition(position);
savedCursorPosition = position;
}
}
public DotConsoleRegion(RegionCreationOptions config)
{
Options = config;
this.contentBuffer = new CellBuffer(Options.BufferSize.Y, Options.BufferSize.X);
this.InputLoop = new DotConsoleInputLoop(this);
if (Options.ForegroundColor.Equals(default(Color)))
{
Options.ForegroundColor = new Color(255, 255, 255);
}
if (Options.Parent != null)
{
this.parent = config.Parent;
this.parent.RegisterRegion(this);
}
}
private void Initialize()
{
renderer = new DotConsoleRenderer();
//Set encoding.
Console.OutputEncoding = System.Text.Encoding.Unicode;
//Create the main content region.
//This might not be the efficient way since content regions are extremly expensive so this may change.
var size = renderer.GetOutputBufferWindowSize();
var options = new RegionCreationOptions(renderer, null, size);
options.WillScrollContent = true;
main = new DotConsoleRegion(options);
this.BackgroundColor = main.Options.BackgroundColor;
this.ForegroundColor = main.Options.ForegroundColor;
Console.CursorVisible = true;
Controls = new List <IConsoleControl>();
}
private CellBuffer Restore(DotConsoleRegion owner, Region region)
{
CellBuffer result = new CellBuffer(Options.BufferSize.Y, Options.BufferSize.X);
int resultY = 0;
int resultX = 0;
int height = region.Top + (region.Height - region.Top);
int width = region.Left + (region.Width - region.Left);
for (int y = region.Top; y < height; y++)
{
resultX = 0;
for (int x = region.Left; x < width; x++)
{
result[resultY, resultX] = owner.contentBuffer[y, x];
resultX++;
}
resultY++;
}
return(result);
}
/// <summary>
/// Registers a content region and reconfigures it so that they
/// are controled by this dotConsole instance.
/// </summary>
/// <param name="region"></param>
public void RegisterRegion(DotConsoleRegion region)
{
this.regions.Add(region);
}