private void DrawOutputndicator(Cairo.Context context)
{
context.Save();
RelativeLocator locator = new RelativeLocator(-0.04, 1.2);
PointD point = locator.Locate(this);
context.MoveTo(point);
context.LineCap = LineCap.Round;
context.Color = s_ioIndicatorColor;
double l = 4; //arm lenght of indicator icon
double s = 0.4; //spacing between arms in the indicator icon
//draw <<
//up
context.RelLineTo(new Distance(-s, -l));
context.RelMoveTo(new Distance(s, l)); //back
//right
context.RelLineTo(new Distance(l, s));
context.RelMoveTo(new Distance(-l, -s)); //back
context.RelMoveTo(new Distance(3, -3));
//repeat above for second arrow
context.RelLineTo(new Distance(-s, -l));
context.RelMoveTo(new Distance(s, l)); //back
context.RelLineTo(new Distance(l, s));
context.RelMoveTo(new Distance(-l, -s)); //back
context.Stroke();
context.Restore();
}
private void OnDrawPage(object obj, Gtk.DrawPageArgs args)
{
PrintContext context = args.Context;
Cairo.Context cr = context.CairoContext;
double width = context.Width;
cr.Rectangle(0, 0, width, headerHeight);
cr.SetSourceRGB(0.8, 0.8, 0.8);
cr.FillPreserve();
cr.SetSourceRGB(0, 0, 0);
cr.LineWidth = 1;
cr.Stroke();
Pango.Layout layout = context.CreatePangoLayout();
Pango.FontDescription desc = Pango.FontDescription.FromString("sans 14");
layout.FontDescription = desc;
layout.SetText(fileName);
layout.Width = (int)width;
layout.Alignment = Pango.Alignment.Center;
int layoutWidth, layoutHeight;
layout.GetSize(out layoutWidth, out layoutHeight);
double textHeight = (double)layoutHeight / (double)pangoScale;
cr.MoveTo(width / 2, (headerHeight - textHeight) / 2);
Pango.CairoHelper.ShowLayout(cr, layout);
string pageStr = String.Format("{0}/{1}", args.PageNr + 1, numPages);
layout.SetText(pageStr);
layout.Alignment = Pango.Alignment.Right;
cr.MoveTo(width - 2, (headerHeight - textHeight) / 2);
Pango.CairoHelper.ShowLayout(cr, layout);
layout = null;
layout = context.CreatePangoLayout();
desc = Pango.FontDescription.FromString("mono");
desc.Size = (int)(fontSize * pangoScale);
layout.FontDescription = desc;
cr.MoveTo(0, headerHeight + headerGap);
int line = args.PageNr * linesPerPage;
for (int i = 0; i < linesPerPage && line < numLines; i++)
{
layout.SetText(lines[line]);
Pango.CairoHelper.ShowLayout(cr, layout);
cr.RelMoveTo(0, fontSize);
line++;
}
(cr as IDisposable).Dispose();
layout = null;
}
void DrawTriangle (Context ctx)
{
var halfSide = arrowPadding;
var verticalModifier = arrowPosition == Xwt.Popover.Position.Top ? -1 : 1;
// Move to the left
ctx.RelMoveTo (-halfSide, 0);
ctx.RelLineTo (halfSide, verticalModifier * arrowPadding);
ctx.RelLineTo (halfSide, verticalModifier * -arrowPadding);
}
void HandleM_printDrawPage(object o, DrawPageArgs args)
{
// Create a Print Context from the Print Operation
PrintContext context = args.Context;
// Create a Cairo Context from the Print Context
Cairo.Context cr = context.CairoContext;
// Get the width of the Print Context
double width = context.Width;
// Create a rectangle to be used for the Content
cr.Rectangle(0, 0, width, headerHeight);
cr.SetSourceRGB(0.95, 0.95, 0.95);
cr.FillPreserve();
// Create a Stroke to outline the Content
cr.SetSourceRGB(0, 0, 0);
cr.LineWidth = 1;
cr.Stroke();
// Create a Pango Layout for the Text
Pango.Layout layout = context.CreatePangoLayout();
// Get the Text Height fromt the Height of the layout and the Height of the Page
int layoutWidth, layoutHeight;
layout.GetSize(out layoutWidth, out layoutHeight);
double textHeight = (double)layoutHeight / (double)pangoScale;
cr.MoveTo(5, (headerHeight - textHeight) / 2);
// Set the Font and Font Size desired
Pango.FontDescription desc = Pango.FontDescription.FromString("sans 12");
layout.FontDescription = desc;
// Create a Header with the FileName and center it on the page
layout.SetText(m_cache.Name + " : " + m_cache.CacheName);
//layout.Width = (int) width *3;
layout.Alignment = Pango.Alignment.Left;
Pango.CairoHelper.ShowLayout(cr, layout);
// cr.MoveTo (width/2, (headerHeight - textHeight) / 2);
// Set the Page Number in the Footer with a right alignment
string pageStr = String.Format(Catalog.GetString("Page {0} of {1}"), args.PageNr + 1, m_numPages);
layout.SetText(pageStr);
layout.Alignment = Pango.Alignment.Right;
cr.MoveTo(width - 75, (headerHeight - textHeight) / 2);
Pango.CairoHelper.ShowLayout(cr, layout);
// Create a new Pango Layout for the Content
layout = null;
layout = context.CreatePangoLayout();
// Set the Description of the Content
desc = Pango.FontDescription.FromString("sans");
desc.Size = (int)(m_fontSize * pangoScale);
layout.FontDescription = desc;
// Move to the beginning of the Content, which is after the Header Height and Gap
cr.MoveTo(0, headerHeight + headerGap);
int line = args.PageNr * m_linesPerPage;
// Draw the lines on the page according to how many lines there are left and how many lines can fit on the page
for (int i = 0; i < m_linesPerPage && line < m_numLines; i++)
{
layout.SetMarkup(m_Lines[line].TrimStart());
Pango.CairoHelper.ShowLayout(cr, layout);
cr.RelMoveTo(0, m_fontSize + 0.5);
line++;
}
layout = null;
context.Dispose();
}
public static void DrawText(Context cr, string family, double fontSize, string text, Pango.Alignment alignment)
{
// return;
lock (FontCache) {
// LogError("DrawText {0}", text);
Profiler p = new Profiler ("DrawText");
double w,h;
Pango.Layout layout = GetLayout (cr, family, QuantizeFontSize(fontSize));
layout.SetText (text);
layout.Alignment = alignment;
layout.GetExtents(out pe, out le);
p.Time ("GetExtents {0}", pe);
w = (double)le.Width / (double)Pango.Scale.PangoScale;
h = (double)le.Height / (double)Pango.Scale.PangoScale;
if (alignment == Pango.Alignment.Right) {
cr.RelMoveTo (-w, 0);
} else if (alignment == Pango.Alignment.Center) {
cr.RelMoveTo (-w/2, 0);
}
Pango.CairoHelper.ShowLayout (cr, layout);
p.Time ("ShowLayout");
if (ShowTextExtents) {
cr.Save ();
PointD pt = cr.CurrentPoint;
cr.MoveTo (pt.X, pt.Y);
cr.RelLineTo(w, 0);
cr.RelLineTo(0, h);
cr.Operator = Operator.Over;
cr.Color = new Color (1,0.5,1,0.5);
cr.LineWidth = 0.5;
cr.Stroke ();
cr.MoveTo (pt.X, pt.Y);
cr.Restore ();
}
cr.RelMoveTo (w, 0);
}
}
public void Text(Context context, string txt, HorizontalTextAlignment horizontal = HorizontalTextAlignment.Center, VerticalTextAlignment vertical = VerticalTextAlignment.Middle)
{
context.SelectFontFace ("Sans", FontSlant.Normal, FontWeight.Normal);
//context.SetFontSize (_surface.Height / 10);
context.SetFontSize (14);
var extends = context.TextExtents (txt);
double x, y;
x = -(((double)horizontal) / 2 * extends.Width + extends.XBearing);
y = -(((double)vertical) / 2 * extends.Height + extends.YBearing);
context.RelMoveTo (x, y);
context.ShowText (txt);
}
/** FAST */
bool ClickSortBar(Context cr, double x, double y)
{
cr.NewPath ();
cr.MoveTo (0.0, 0.0);
TextExtents te;
cr.Color = ActiveColor;
cr.RelMoveTo ( 0.0, ToolbarLabelFontSize * 0.4 );
Helpers.DrawText (cr, ToolbarTitleFontFamily, ToolbarTitleFontSize, SortLabel);
cr.RelMoveTo ( 0.0, ToolbarLabelFontSize * -0.4 );
foreach (SortHandler sf in SortFields) {
cr.Color = (SortField == sf) ? ActiveColor : InActiveColor;
te = Helpers.GetTextExtents (
cr, ToolbarLabelFontFamily, ToolbarLabelFontSize, sf.Name);
if (Helpers.CheckTextExtents(cr, te, x, y)) {
SortField = sf;
ResetZoom ();
UpdateLayout ();
return true;
}
Helpers.DrawText (cr, ToolbarLabelFontFamily, ToolbarLabelFontSize, sf.Name);
Helpers.DrawText (cr, ToolbarLabelFontFamily, ToolbarLabelFontSize, " ");
}
return false;
}
/** FAST */
bool ClickBreadcrumb(Context cr, uint width, double x, double y)
{
if (CurrentDirPath == Helpers.RootDir) return false;
TextExtents te1 = Helpers.GetTextExtents (cr, BreadcrumbFontFamily, BreadcrumbFontSize, String.Join(dirSep, CurrentDirPath.Split(Helpers.DirSepC)) + dirSep);
cr.Save ();
double areaWidth = width-BreadcrumbMarginLeft-BreadcrumbMarginRight;
cr.Rectangle (0,0,areaWidth, te1.Height);
cr.Clip ();
cr.Translate (Math.Min(0,areaWidth-te1.Width), -BreadcrumbMarginTop);
if (areaWidth - te1.Width >= 0)
cr.Translate(-(BreadcrumbMarginLeft+1), 0);
cr.MoveTo (0.0, 0.0);
int hitIndex = 0;
string[] segments = CurrentDirPath.Split(Helpers.DirSepC);
foreach (string s in segments) {
string name = (s == "") ? rootChar : s+dirSep;
TextExtents te = Helpers.GetTextExtents (cr, BreadcrumbFontFamily, BreadcrumbFontSize, name);
te.Height += BreadcrumbMarginTop;
if (s == "" && (areaWidth - te1.Width >= 0))
te.Width += BreadcrumbMarginLeft+1;
if (Helpers.CheckTextExtents(cr, te, x, y)) {
string newDir = String.Join(Helpers.DirSepS, segments, 0, hitIndex+1);
if (newDir == "") newDir = Helpers.RootDir;
if (newDir != CurrentDirPath) {
SetCurrentDir (newDir);
} else {
ResetZoom ();
UpdateLayout ();
}
cr.Restore ();
return true;
}
cr.RelMoveTo( te.Width, 0 );
hitIndex += 1;
}
cr.IdentityMatrix ();
cr.Rectangle (0,-1,width,2);
if (cr.InFill(x,y)) {
ResetZoom ();
UpdateLayout ();
}
cr.Restore ();
return false;
}
/** FAST */
void DrawSortBar(Context cr)
{
cr.NewPath ();
cr.MoveTo (0.0, 0.0);
cr.Color = ActiveColor;
cr.RelMoveTo ( 0.0, ToolbarLabelFontSize * 0.4 );
Helpers.DrawText (cr, ToolbarTitleFontFamily, ToolbarTitleFontSize, SortLabel);
cr.RelMoveTo ( 0.0, ToolbarLabelFontSize * -0.4 );
foreach (SortHandler sf in SortFields) {
cr.Color = (SortField == sf) ? ActiveColor : InActiveColor;
Helpers.DrawText (cr, ToolbarLabelFontFamily, ToolbarLabelFontSize, sf.Name);
Helpers.DrawText (cr, ToolbarLabelFontFamily, ToolbarLabelFontSize, " ");
}
}