public override void Render(RenderingBuffer buffer)
{
Attr attrs;
if (HasFocus)
{
attrs = Colors.Blend(Color.White, Color.DarkGreen);
}
else
{
attrs = Colors.Blend(Color.Black, Color.DarkCyan);
}
buffer.SetPixel(0, 0, ' ', attrs);
int usedForCurrentItem = 0;
if (Items.Count != 0 && ActualWidth > 4)
{
usedForCurrentItem = RenderString(Items[SelectedItemIndex ?? 0], buffer, 1, 0, ActualWidth - 4, attrs);
}
buffer.FillRectangle(1 + usedForCurrentItem, 0, ActualWidth - (usedForCurrentItem + 1), 1, ' ', attrs);
if (ActualWidth > 2)
{
buffer.SetPixel(ActualWidth - 2, 0, opened ? '^' : 'v', attrs);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr captionAttrs;
if (HasFocus)
{
captionAttrs = Colors.Blend(Color.White, Color.DarkGreen);
}
else
{
captionAttrs = Colors.Blend(Color.Black, Color.DarkGreen);
}
Attr buttonAttrs = captionAttrs;
// if ( pressed )
// buttonAttrs = Colors.Blend(Color.Black, Color.DarkGreen);
buffer.SetOpacityRect(0, 0, ActualWidth, ActualHeight, 3);
buffer.SetPixel(0, 0, pressed ? '<' : '[', buttonAttrs);
buffer.SetPixel(1, 0, Checked ? 'X' : ' ', buttonAttrs);
buffer.SetPixel(2, 0, pressed ? '>' : ']', buttonAttrs);
buffer.SetPixel(3, 0, ' ', buttonAttrs);
if (null != caption)
{
RenderString(caption, buffer, 4, 0, ActualWidth - 4, captionAttrs);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr attr = Colors.Blend(Color.White, Color.DarkBlue);
buffer.FillRectangle(0, 0, ActualWidth, ActualHeight, ' ', attr);
if (null != text)
{
for (int i = displayOffset; i < text.Length; i++)
{
if (i - displayOffset < ActualWidth - 2 && i - displayOffset >= 0)
{
buffer.SetPixel(1 + i - displayOffset, 0, text[i]);
}
}
}
Attr arrowsAttr = Colors.Blend(Color.Green, Color.DarkBlue);
if (displayOffset > 0)
{
buffer.SetPixel(0, 0, '<', arrowsAttr);
}
if (!String.IsNullOrEmpty(text) && ActualWidth - 2 + displayOffset < text.Length)
{
buffer.SetPixel(ActualWidth - 1, 0, '>', arrowsAttr);
}
}
protected void RenderBorders(RenderingBuffer buffer, Point a, Point b, bool singleOrDouble, Attr attrs)
{
if (singleOrDouble)
{
// Corners
buffer.SetPixel(a.X, a.Y, UnicodeTable.SingleFrameTopLeftCorner, attrs);
buffer.SetPixel(b.X, b.Y, UnicodeTable.SingleFrameBottomRightCorner, attrs);
buffer.SetPixel(a.X, b.Y, UnicodeTable.SingleFrameBottomLeftCorner, attrs);
buffer.SetPixel(b.X, a.Y, UnicodeTable.SingleFrameTopRightCorner, attrs);
// Horizontal & vertical frames
buffer.FillRectangle(a.X + 1, a.Y, b.X - a.X - 1, 1, UnicodeTable.SingleFrameHorizontal, attrs);
buffer.FillRectangle(a.X + 1, b.Y, b.X - a.X - 1, 1, UnicodeTable.SingleFrameHorizontal, attrs);
buffer.FillRectangle(a.X, a.Y + 1, 1, b.Y - a.Y - 1, UnicodeTable.SingleFrameVertical, attrs);
buffer.FillRectangle(b.X, a.Y + 1, 1, b.Y - a.Y - 1, UnicodeTable.SingleFrameVertical, attrs);
}
else
{
// Corners
buffer.SetPixel(a.X, a.Y, UnicodeTable.DoubleFrameTopLeftCorner, attrs);
buffer.SetPixel(b.X, b.Y, UnicodeTable.DoubleFrameBottomRightCorner, attrs);
buffer.SetPixel(a.X, b.Y, UnicodeTable.DoubleFrameBottomLeftCorner, attrs);
buffer.SetPixel(b.X, a.Y, UnicodeTable.DoubleFrameTopRightCorner, attrs);
// Horizontal & vertical frames
buffer.FillRectangle(a.X + 1, a.Y, b.X - a.X - 1, 1, UnicodeTable.DoubleFrameHorizontal, attrs);
buffer.FillRectangle(a.X + 1, b.Y, b.X - a.X - 1, 1, UnicodeTable.DoubleFrameHorizontal, attrs);
buffer.FillRectangle(a.X, a.Y + 1, 1, b.Y - a.Y - 1, UnicodeTable.DoubleFrameVertical, attrs);
buffer.FillRectangle(b.X, a.Y + 1, 1, b.Y - a.Y - 1, UnicodeTable.DoubleFrameVertical, attrs);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr captionAttrs;
if (Disabled)
{
captionAttrs = Colors.Blend(Color.Gray, Color.DarkGray);
}
else
{
if (HasFocus)
{
captionAttrs = Colors.Blend(Color.White, Color.DarkGreen);
}
else
{
captionAttrs = Colors.Blend(Color.Black, Color.DarkGreen);
}
}
if (pressed)
{
buffer.FillRectangle(1, 0, ActualWidth - 1, ActualHeight - 1, ' ', captionAttrs);
buffer.SetOpacityRect(0, 0, 1, ActualHeight, 3);
buffer.FillRectangle(0, 0, 1, ActualHeight, ' ', captionAttrs);
if (!string.IsNullOrEmpty(Caption))
{
RenderString(Caption, buffer, 2 + 1 + (ActualWidth - 2 * 2 - Caption.Length) / 2,
(ActualHeight - 1) / 2, ActualWidth - 2 * 2, captionAttrs);
}
buffer.SetOpacityRect(0, ActualHeight - 1, ActualWidth, 1, 3);
buffer.FillRectangle(0, ActualHeight - 1, ActualWidth, 1, ' ', Attr.NO_ATTRIBUTES);
}
else
{
buffer.FillRectangle(0, 0, ActualWidth - 1, ActualHeight, ' ', captionAttrs);
if (!string.IsNullOrEmpty(Caption))
{
RenderString(Caption, buffer, 2 + (ActualWidth - 2 * 2 - Caption.Length) / 2,
(ActualHeight - 1) / 2, ActualWidth - 2 * 2, captionAttrs);
}
buffer.SetPixel(0, ActualHeight - 1, ' ');
buffer.SetOpacityRect(0, ActualHeight - 1, ActualWidth, 1, 3);
buffer.FillRectangle(1, ActualHeight - 1, ActualWidth - 1, 1, UnicodeTable.UpperHalfBlock, Attr.NO_ATTRIBUTES);
buffer.SetOpacityRect(ActualWidth - 1, 0, 1, ActualHeight, 3);
buffer.FillRectangle(ActualWidth - 1, 1, 1, ActualHeight - 2, UnicodeTable.FullBlock, Attr.NO_ATTRIBUTES);
buffer.SetPixel(ActualWidth - 1, 0, UnicodeTable.LowerHalfBlock);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr selectedAttr = Colors.Blend(Color.White, Color.DarkGreen);
Attr attr = Colors.Blend(Color.Black, Color.DarkCyan);
Attr disabledAttr = Colors.Blend(Color.Gray, Color.DarkCyan);
for (int y = 0; y < ActualHeight; y++)
{
string item = y < items.Count ? items[y] : null;
if (item != null)
{
Attr currentAttr = disabledItemsIndexes.Contains(y) ? disabledAttr :
(SelectedItemIndex == y ? selectedAttr : attr);
buffer.SetPixel(0, y, ' ', currentAttr);
if (ActualWidth > 1)
{
// минус 2 потому что у нас есть по пустому пикселю слева и справа
int rendered = RenderString(item, buffer, 1, y, ActualWidth - 2, currentAttr);
buffer.FillRectangle(1 + rendered, y, ActualWidth - (1 + rendered), 1, ' ',
currentAttr);
}
}
else
{
buffer.FillRectangle(0, y, ActualWidth, 1, ' ', attr);
}
}
}
/// <summary>
/// Рисует исключительно себя - просто фон.
/// </summary>
/// <param name="buffer"></param>
public override void Render(RenderingBuffer buffer)
{
for (int x = 0; x < ActualWidth; ++x)
{
for (int y = 0; y < ActualHeight; ++y)
{
buffer.SetPixel(x, y, ' ', Attr.BACKGROUND_BLUE |
Attr.BACKGROUND_GREEN | Attr.BACKGROUND_RED | Attr.FOREGROUND_BLUE |
Attr.FOREGROUND_GREEN | Attr.FOREGROUND_RED | Attr.FOREGROUND_INTENSITY);
}
}
}
private void renderBorderSafe(RenderingBuffer buffer, int x, int y, int x2, int y2)
{
if (ActualWidth > x && ActualHeight > y)
{
buffer.SetPixel(x, y, UnicodeTable.SingleFrameTopLeftCorner);
}
if (ActualWidth > x && ActualHeight > y2 && y2 > y)
{
buffer.SetPixel(x, y2, UnicodeTable.SingleFrameBottomLeftCorner);
}
if (ActualHeight > y)
{
for (int i = x + 1; i <= Math.Min(x2 - 1, ActualWidth - 1); i++)
{
buffer.SetPixel(i, y, UnicodeTable.SingleFrameHorizontal);
}
}
if (ActualHeight > y2)
{
for (int i = x + 1; i <= Math.Min(x2 - 1, ActualWidth - 1); i++)
{
buffer.SetPixel(i, y2, UnicodeTable.SingleFrameHorizontal);
}
}
if (ActualWidth > x)
{
for (int j = y + 1; j <= Math.Min(y2 - 1, ActualHeight - 1); j++)
{
buffer.SetPixel(x, j, UnicodeTable.SingleFrameVertical);
}
}
if (ActualWidth > x2)
{
for (int j = y + 1; j <= Math.Min(y2 - 1, ActualHeight - 1); j++)
{
buffer.SetPixel(x2, j, UnicodeTable.SingleFrameVertical);
}
}
if (ActualWidth > x2 && ActualHeight > y && x2 > x)
{
buffer.SetPixel(x2, y, UnicodeTable.SingleFrameTopRightCorner);
}
if (ActualWidth > x2 && ActualHeight > y2 && y2 > y && x2 > x)
{
buffer.SetPixel(x2, y2, UnicodeTable.SingleFrameBottomRightCorner);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr attr = Colors.Blend(Color.Black, Color.DarkYellow);
buffer.FillRectangle(0, 0, ActualWidth, ActualHeight, ' ', attr);
for (int x = 0; x < ActualWidth; ++x)
{
for (int y = 0; y < ActualHeight; ++y)
{
if (y == 0 && x < text.Length)
{
buffer.SetPixel(x, y, text[x], attr);
}
}
}
buffer.SetOpacityRect(0, 0, ActualWidth, ActualHeight, 3);
}
/// <summary>
/// Renders string using attr, but if character is prefixed with underscore,
/// symbol will use specialAttrs instead. To render underscore pass two underscores.
/// Example: "_File" renders File when 'F' is rendered using specialAttrs.
/// </summary>
private static int renderString(string s, RenderingBuffer buffer,
int x, int y, int maxWidth, Attr attr,
Attr specialAttr)
{
bool underscore = false;
int j = 0;
for (int i = 0; i < s.Length && j < maxWidth; i++)
{
char c;
if (underscore)
{
c = s[i];
}
else
{
if (s[i] == '_')
{
underscore = true;
continue;
}
else
{
c = s[i];
}
}
Attr a;
if (j + 2 >= maxWidth && j >= 2 && s.Length > maxWidth)
{
c = '.';
a = attr;
}
else
{
a = underscore ? specialAttr : attr;
}
buffer.SetPixel(x + j, y, c, a);
j++;
underscore = false;
}
return(j);
}
public override void Render(RenderingBuffer buffer)
{
Attr attr = Colors.Blend(Color.DarkCyan, Color.DarkBlue);
buffer.SetOpacityRect(0, 0, ActualWidth, ActualHeight, 2);
if (horizontalScrollVisible)
{
buffer.SetOpacityRect(0, ActualHeight - 1, ActualWidth, 1, 0);
buffer.SetPixel(0, ActualHeight - 1, UnicodeTable.ArrowLeft, attr); // ◄
// оставляем дополнительный пиксель справа, если одновременно видны оба скроллбара
int rightOffset = verticalScrollVisible ? 1 : 0;
if (ActualWidth > 2 + rightOffset)
{
buffer.FillRectangle(1, ActualHeight - 1, ActualWidth - (2 + rightOffset), 1,
UnicodeTable.MediumShade, attr); // ▒
}
if (ActualWidth > 1 + rightOffset)
{
buffer.SetPixel(ActualWidth - (1 + rightOffset), ActualHeight - 1,
UnicodeTable.ArrowRight, attr); // ►
}
// определим, в каком месте находится ползунок
if (ActualWidth > 3 + (verticalScrollVisible ? 1 : 0))
{
int remainingWidth = ActualWidth - (verticalScrollVisible ? 1 : 0);
int extraWidth = Content.RenderSize.Width - remainingWidth;
int pages = extraWidth / (remainingWidth - 2 - 1);
//Debugger.Log( 1, "", "pages: " + pages + "\n" );
int scrollerPos;
if (pages == 0)
{
double posInDelta = (remainingWidth * 1.0 - 2 - 1) / extraWidth;
//Debugger.Log( 1, "", "posInDelta: " + posInDelta + "\n" );
scrollerPos = ( int )Math.Round(posInDelta * deltaX);
}
else
{
double deltaInPos = (extraWidth * 1.0) / (remainingWidth - 2 - 1);
//Debugger.Log( 1, "", "deltaX/( deltaInPos ): " + deltaX/( deltaInPos ) + "\n" );
scrollerPos = ( int )Math.Round(deltaX / (deltaInPos));
}
buffer.SetPixel(1 + scrollerPos, ActualHeight - 1, UnicodeTable.BlackSquare, attr); // ■
}
else if (ActualWidth == 3 + (verticalScrollVisible ? 1 : 0))
{
buffer.SetPixel(1, ActualHeight - 1, UnicodeTable.BlackSquare, attr); // ■
}
}
if (verticalScrollVisible)
{
buffer.SetOpacityRect(ActualWidth - 1, 0, 1, ActualHeight, 0);
buffer.SetPixel(ActualWidth - 1, 0, UnicodeTable.ArrowUp, attr); // ▲
// оставляем дополнительный пиксель снизу, если одновременно видны оба скроллбара
int downOffset = horizontalScrollVisible ? 1 : 0;
if (ActualHeight > 2 + downOffset)
{
buffer.FillRectangle(ActualWidth - 1, 1, 1, ActualHeight - (2 + downOffset), UnicodeTable.MediumShade, attr); // ▒
}
if (ActualHeight > 1 + downOffset)
{
buffer.SetPixel(ActualWidth - 1, ActualHeight - (1 + downOffset), UnicodeTable.ArrowDown, attr); // ▼
}
// определим, в каком месте находится ползунок
if (ActualHeight > 3 + (horizontalScrollVisible ? 1 : 0))
{
int remainingHeight = ActualHeight - (horizontalScrollVisible ? 1 : 0);
int extraHeight = Content.RenderSize.Height - remainingHeight;
int pages = extraHeight / (remainingHeight - 2 - 1);
//Debugger.Log( 1, "", "pages: " + pages + "\n" );
int scrollerPos;
if (pages == 0)
{
double posInDelta = (remainingHeight * 1.0 - 2 - 1) / extraHeight;
//Debugger.Log( 1, "", "posInDelta: " + posInDelta + "\n" );
scrollerPos = ( int )Math.Round(posInDelta * deltaY);
}
else
{
double deltaInPos = (extraHeight * 1.0) / (remainingHeight - 2 - 1);
//Debugger.Log( 1, "", "deltaY/( deltaInPos ): " + deltaY/( deltaInPos ) + "\n" );
scrollerPos = ( int )Math.Round(deltaY / (deltaInPos));
}
buffer.SetPixel(ActualWidth - 1, 1 + scrollerPos, UnicodeTable.BlackSquare, attr); // ■
}
else if (ActualHeight == 3 + (horizontalScrollVisible ? 1 : 0))
{
buffer.SetPixel(ActualWidth - 1, 1, UnicodeTable.BlackSquare, attr); // ■
}
}
if (horizontalScrollVisible && verticalScrollVisible)
{
buffer.SetPixel(ActualWidth - 1, ActualHeight - 1, UnicodeTable.SingleFrameBottomRightCorner, attr); // ┘
}
}
public override void Render(RenderingBuffer buffer)
{
Attr attr = Colors.Blend(Color.Black, Color.DarkGreen);
// прозрачный фон для рамки
buffer.SetOpacityRect(0, 0, ActualWidth, ActualHeight, 3);
// полностью прозрачный внутри
if (ActualWidth > 2 && ActualHeight > 2)
{
buffer.SetOpacityRect(1, 1, ActualWidth - 2, ActualHeight - 2, 2);
}
// title
int titleRenderedWidth = 0;
if (!string.IsNullOrEmpty(title))
{
titleRenderedWidth = RenderString(title, buffer, 2, 0, ActualWidth - 4, attr);
}
// upper border
for (int x = 0; x < ActualWidth; x++)
{
char?c = null;
if (x == 0)
{
c = UnicodeTable.SingleFrameTopLeftCorner;
}
else if (x == ActualWidth - 1)
{
c = UnicodeTable.SingleFrameTopRightCorner;
}
else if (x == 1 || x == 2 + titleRenderedWidth)
{
c = ' ';
}
else if (x > 2 + titleRenderedWidth && x < ActualWidth - 1)
{
c = UnicodeTable.SingleFrameHorizontal;
}
if (c != null)
{
buffer.SetPixel(x, 0, c.Value, attr);
}
}
// left border
if (ActualHeight > 2)
{
buffer.FillRectangle(0, 1, 1, ActualHeight - 2, UnicodeTable.SingleFrameVertical, attr);
}
if (ActualHeight > 1)
{
buffer.SetPixel(0, ActualHeight - 1, UnicodeTable.SingleFrameBottomLeftCorner, attr);
}
// right border
if (ActualWidth > 1)
{
if (ActualHeight > 2)
{
buffer.FillRectangle(ActualWidth - 1, 1, 1, ActualHeight - 2, UnicodeTable.SingleFrameVertical, attr);
}
if (ActualHeight > 1)
{
buffer.SetPixel(ActualWidth - 1, ActualHeight - 1, UnicodeTable.SingleFrameBottomRightCorner, attr);
}
}
// bottom border
if (ActualHeight > 1 && ActualWidth > 2)
{
buffer.FillRectangle(1, ActualHeight - 1, ActualWidth - 2, 1, UnicodeTable.SingleFrameHorizontal, attr);
}
}
public override void Render(RenderingBuffer buffer)
{
Attr borderAttrs = moving ? Colors.Blend(Color.Green, Color.Gray) : Colors.Blend(Color.White, Color.Gray);
// background
buffer.FillRectangle(0, 0, this.ActualWidth, this.ActualHeight, ' ', borderAttrs);
// Borders
RenderBorders(buffer, new Point(0, 0), new Point(ActualWidth - 3, ActualHeight - 2),
this.moving || this.resizing, borderAttrs);
// close button
if (ActualWidth > 4)
{
buffer.SetPixel(2, 0, '[');
buffer.SetPixel(3, 0, showClosingGlyph ? UnicodeTable.WindowClosePressedSymbol : UnicodeTable.WindowCloseSymbol,
Colors.Blend(Color.Green, Color.Gray));
buffer.SetPixel(4, 0, ']');
}
// shadows
buffer.SetOpacity(0, ActualHeight - 1, 2 + 4);
buffer.SetOpacity(1, ActualHeight - 1, 2 + 4);
buffer.SetOpacity(ActualWidth - 1, 0, 2 + 4);
buffer.SetOpacity(ActualWidth - 2, 0, 2 + 4);
buffer.SetOpacityRect(2, ActualHeight - 1, ActualWidth - 2, 1, 1 + 4);
buffer.SetOpacityRect(ActualWidth - 2, 1, 2, ActualHeight - 1, 1 + 4);
// title
if (!string.IsNullOrEmpty(Title))
{
int titleStartX = 7;
bool renderTitle = false;
string renderTitleString = null;
int availablePixelsCount = ActualWidth - titleStartX * 2;
if (availablePixelsCount > 0)
{
renderTitle = true;
if (Title.Length <= availablePixelsCount)
{
// dont truncate title
titleStartX += (availablePixelsCount - Title.Length) / 2;
renderTitleString = Title;
}
else
{
renderTitleString = Title.Substring(0, availablePixelsCount);
if (renderTitleString.Length > 2)
{
renderTitleString = renderTitleString.Substring(0, renderTitleString.Length - 2) + "..";
}
else
{
renderTitle = false;
}
}
}
if (renderTitle)
{
// assert !string.IsNullOrEmpty(renderingTitleString);
buffer.SetPixel(titleStartX - 1, 0, ' ', borderAttrs);
for (int i = 0; i < renderTitleString.Length; i++)
{
buffer.SetPixel(titleStartX + i, 0, renderTitleString[i], borderAttrs);
}
buffer.SetPixel(titleStartX + renderTitleString.Length, 0, ' ', borderAttrs);
}
}
}