public void DrawThickBorder(ConsoleGui.Drawing.Rect region, string titleText = null, string statusText = null)
{
DrawString(region.Left, region.Top, "╔");
DrawString(region.Right, region.Top, "╗");
DrawString(region.Left, region.Bottom, "╚");
DrawString(region.Right, region.Bottom, "╝");
DrawString(region.Left + 1, region.Top, string.Concat(Enumerable.Repeat('═', region.Right - region.Left - 1)));
DrawString(region.Left + 1, region.Bottom, string.Concat(Enumerable.Repeat('═', region.Right - region.Left - 1)));
for (int y = region.Top + 1; y <= region.Bottom - 1; y++)
{
DrawString(region.Left, y, "║");
DrawString(region.Right, y, "║");
}
if (titleText != null)
{
DrawString(region.Left + 1, region.Top, titleText, region.Right - 1);
}
if (statusText != null)
{
DrawString(region.Left + 1, region.Bottom, titleText, region.Right - 1);
}
}
public void FillRectangle(ConsoleGui.Drawing.Rect region)
{
for (int y = region.Top; y <= region.Bottom; y++)
{
Console.SetCursorPosition(region.Left, y);
Console.Write(" ".PadRight(region.Right - region.Left));
}
}
/// <summary>
/// Draws the string alligned.
/// </summary>
/// <param name="text">Text.</param>
/// <param name="region">Region.</param>
/// <param name="allignment">Allignment.</param>
public void DrawStringAlligned(
string text,
ConsoleGui.Drawing.Rect region,
ConsoleGui.Drawing.TextAllignment allignment)
{
var strippedTextLength = StripDrawingChars(text).Length;
var clippedText = string.Concat(text.Take((region.Right - region.Left) + (text.Length - strippedTextLength)));
var center = region.Left + (region.Right - region.Left) / 2;
center = center - strippedTextLength / 2;
var middle = region.Top + (region.Bottom - region.Top) / 2;
switch (allignment)
{
case TextAllignment.UpperLeft:
DrawString(region.Left, region.Top, clippedText);
break;
case TextAllignment.LowerLeft:
DrawString(region.Left, region.Bottom, clippedText);
break;
case TextAllignment.Left:
DrawString(region.Left, middle, clippedText);
break;
case TextAllignment.Top:
DrawString(center, region.Top, clippedText);
break;
case TextAllignment.Center:
DrawString(center, middle, clippedText);
break;
case TextAllignment.Bottom:
DrawString(center, region.Bottom, clippedText);
break;
case TextAllignment.UpperRight:
DrawString(region.Right - clippedText.Length, region.Top, clippedText);
break;
case TextAllignment.Right:
DrawString(region.Right - clippedText.Length, middle, clippedText);
break;
case TextAllignment.LowerRight:
DrawString(region.Right - clippedText.Length, region.Bottom, clippedText);
break;
}
}
/// <summary>
/// Calculates the text lines. Figure out how many lines a string will take up when conformed to a single text window.
/// </summary>
/// <returns>The text lines.</returns>
/// <param name="region">Region.</param>
/// <param name="text">Text.</param>
/// <param name="border">If set to <c>true</c> border.</param>
/// <param name="wordwrap">If set to <c>true</c> wordwrap.</param>
public static List <string> CalculateTextLines(ConsoleGui.Drawing.Rect region,
string text,
bool border = true,
bool wordwrap = true)
{
var lines = new List <string> ();
var textRegion = new Rect(region.Left, region.Top, region.Right, region.Bottom);
// draw the border if available.
// if there is a border, shrink the text region to make room.
if (border)
{
textRegion.Left += 1;
textRegion.Right -= 1;
textRegion.Top += 1;
textRegion.Bottom -= 1;
}
var splitParagraphs = text.Split('\n');
foreach (var p in splitParagraphs)
{
var splitText = p.Split(' ');
var sb = new StringBuilder();
for (int i = 0; i < splitText.Length; i++)
{
if (sb.Length + splitText [i].Length <= textRegion.Right - textRegion.Left - 1)
{
sb.Append(splitText [i]);
sb.Append(" ");
}
else
{
lines.Add(sb.ToString());
sb = new StringBuilder();
sb.Append(splitText [i]);
sb.Append(" ");
}
}
if (sb.ToString().Length > 0)
{
lines.Add(sb.ToString());
}
sb.AppendLine();
}
return(lines);
}
public void DrawText(
ConsoleGui.Drawing.Rect region,
string text,
bool border = true,
bool wordWrap = true,
int lineOffset = 0,
bool drawScrollbarIfNeeded = true,
int cursorLeft = -1,
int cursorTop = -1,
bool isOverwrite = false)
{
var lines = new List <string> ();
var textRegion = new Rect(region.Left, region.Top, region.Right, region.Bottom);
// draw the border if available.
// if there is a border, shrink the text region to make room.
if (border)
{
textRegion.Left += 1;
textRegion.Right -= 1;
textRegion.Top += 1;
textRegion.Bottom -= 1;
DrawThinBorder(region);
}
// Clear out whatever got left behind
FillRectangle(textRegion);
var splitParagraphs = text.Split('\n');
foreach (var p in splitParagraphs)
{
var splitText = p.Split(' ');
var sb = new StringBuilder();
for (int i = 0; i < splitText.Length; i++)
{
if (sb.Length + splitText [i].Length <= textRegion.Right - textRegion.Left - 1)
{
sb.Append(splitText [i]);
sb.Append(" ");
}
else
{
lines.Add(sb.ToString());
sb = new StringBuilder();
sb.Append(splitText [i]);
sb.Append(" ");
}
}
if (sb.ToString().Length > 0)
{
lines.Add(sb.ToString());
}
sb.AppendLine();
}
// scroll the text.
var actualLines = lines.Skip(lineOffset).Take(textRegion.Bottom - textRegion.Top + 1).ToList();
// draw the text line by line.
for (int i = 0; i < actualLines.Count; i++)
{
DrawString(textRegion.Left, textRegion.Top + i, actualLines [i], textRegion.Right);
}
// if a scroll bar is needed, draw it. The scroll bar sits on the right part of the window.
if (drawScrollbarIfNeeded && lines.Count > textRegion.Bottom - textRegion.Top)
{
if (!border)
{
for (int y = region.Top; y <= region.Bottom; y++)
{
DrawString(region.Right, y, "│");
}
}
var cursorY = textRegion.Top + (int)(((double)lineOffset / (double)lines.Count) * (double)(textRegion.Bottom - textRegion.Top));
DrawString(region.Right, cursorY, "█");
}
}
