public Pango.Context CreateContext()
{
IntPtr raw_ret = pango_font_map_create_context(Handle);
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
public static Pango.Context ContextGetForScreen(Gdk.Screen screen)
{
IntPtr raw_ret = gdk_pango_context_get_for_screen(screen == null ? IntPtr.Zero : screen.Handle);
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
/// <summary>
/// Paints cell on cairo context
/// </summary>
/// <param name="aArgs">
/// A <see cref="CellExposeEventArgs"/>
/// </param>
public override void Paint(CellExposeEventArgs aArgs)
{
if (Area.IsInsideArea(aArgs.ClippingArea) == false)
{
return;
}
Pango.Context pContext = PangoContext;
if ((DisplayText == "") || (pContext == null))
{
return;
}
Pango.Layout layout = SetLayout();
layout.Width = Pango.Units.FromPixels(System.Convert.ToInt32(aArgs.CellArea.Width));
layout.SetMarkup(DisplayText);
int width, height;
layout.GetPixelSize(out width, out height);
double xdiff = Area.Width - width;
double ydiff = Area.Height - ySize;
aArgs.Context.Color = Color;
aArgs.Context.MoveTo(aArgs.CellArea.X + (xdiff * XPos), aArgs.CellArea.Y + (ydiff * YPos));
Pango.CairoHelper.ShowLayout(aArgs.Context, layout);
layout.SetMarkup("");
FreeLayout(layout);
}
public static Pango.Context ContextGet()
{
IntPtr raw_ret = gdk_pango_context_get();
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
/// <summary>
/// Renders the pager.
/// </summary>
public virtual void RenderPager(Cairo.Context context, Pango.Context pangoContext, Gdk.Rectangle region)
{
//set global clip to avoid going outside general rendering area
CairoExtensions.RoundedRectangle(context, region.X, region.Y, region.Width, region.Height, CornerRadius);
context.Clip();
Pango.Layout layout = SetupPagerText(context, pangoContext);
int textWidth, textHeight;
layout.GetPixelSize(out textWidth, out textHeight);
int width = textWidth + Styles.PopoverWindow.PagerTriangleSize * 2 + 20;
int height = Styles.PopoverWindow.PagerHeight;
Gdk.Rectangle boundingBox = new Gdk.Rectangle(region.X + region.Width - width, 0, width, height);
RenderPagerBackground(context, boundingBox);
int arrowPadding = 4;
Gdk.Rectangle arrowRect = new Gdk.Rectangle(boundingBox.X + arrowPadding,
boundingBox.Y + (boundingBox.Height - Styles.PopoverWindow.PagerTriangleSize) / 2,
Styles.PopoverWindow.PagerTriangleSize,
Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Up : ArrowType.Left);
arrowRect.X = boundingBox.X + boundingBox.Width - (arrowPadding + Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Down : ArrowType.Right);
RenderPagerText(context, layout, boundingBox);
}
public Pango.Context CreatePangoContext()
{
IntPtr raw_ret = gtk_print_context_create_pango_context(Handle);
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
public FlatButton(Pixbuf pb, string text = null)
{
pixbuf = pb;
buttonText = text;
Events |= Gdk.EventMask.ButtonPressMask | EventMask.EnterNotifyMask | EventMask.LeaveNotifyMask | EventMask.ButtonReleaseMask;
if (text == null)
{
WidthRequest = GtkUtils.ScaleGtkWidget(40);
HeightRequest = GtkUtils.ScaleGtkWidget(40);
}
#if FAMISTUDIO_LINUX
if (context == null)
{
context = CreatePangoContext();
}
var fontSize = Pango.Units.ToPixels(Style.FontDesc.Size);
layoutNormal = new Pango.Layout(context);
layoutNormal.Alignment = Pango.Alignment.Left;
layoutNormal.SetText(text);
layoutNormal.FontDescription = Pango.FontDescription.FromString($"Quicksand {fontSize}");
layoutBold = new Pango.Layout(context);
layoutBold.Alignment = Pango.Alignment.Left;
layoutBold.SetText(text);
layoutBold.FontDescription = Pango.FontDescription.FromString($"Quicksand Bold {fontSize}");
#endif
}
public FlatButton(Pixbuf pb, string text = null)
{
image = GdkPixbufToCairoImageSurface(pb);
Events |= Gdk.EventMask.ButtonPressMask | EventMask.EnterNotifyMask | EventMask.LeaveNotifyMask | EventMask.ButtonReleaseMask;
if (text != null)
{
if (context == null)
{
context = CreatePangoContext();
}
layoutNormal = new Pango.Layout(context);
layoutNormal.Alignment = Pango.Alignment.Left;
layoutNormal.SetText(text);
layoutNormal.FontDescription = Pango.FontDescription.FromString("Quicksand 14");
layoutBold = new Pango.Layout(context);
layoutBold.Alignment = Pango.Alignment.Left;
layoutBold.SetText(text);
layoutBold.FontDescription = Pango.FontDescription.FromString("Quicksand Bold 14");
}
else
{
WidthRequest = 40;
HeightRequest = 40;
}
}
public static Pango.Context CreateContext(Cairo.Context cr)
{
IntPtr raw_ret = pango_cairo_create_context(cr == null ? IntPtr.Zero : cr.Handle);
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
public static double ContextGetResolution(Pango.Context context)
{
double raw_ret = pango_cairo_context_get_resolution(context == null ? IntPtr.Zero : context.Handle);
double ret = raw_ret;
return(ret);
}
public FormattedTextImpl(
Pango.Context context,
string text,
string fontFamily,
double fontSize,
FontStyle fontStyle,
TextAlignment textAlignment,
FontWeight fontWeight)
{
Contract.Requires <ArgumentNullException>(context != null);
Contract.Requires <ArgumentNullException>(text != null);
Layout = new Pango.Layout(context);
_text = text;
Layout.SetText(text);
Layout.FontDescription = new Pango.FontDescription
{
Family = fontFamily,
Size = Pango.Units.FromDouble(CorrectScale(fontSize)),
Style = (Pango.Style)fontStyle,
Weight = fontWeight.ToCairo()
};
Layout.Alignment = textAlignment.ToCairo();
Layout.Attributes = new Pango.AttrList();
}
public Pango.Fontset LoadFontset(Pango.Context context, Pango.FontDescription desc, Pango.Language language)
{
IntPtr raw_ret = pango_font_map_load_fontset(Handle, context == null ? IntPtr.Zero : context.Handle, desc == null ? IntPtr.Zero : desc.Handle, language == null ? IntPtr.Zero : language.Handle);
Pango.Fontset ret = GLib.Object.GetObject(raw_ret) as Pango.Fontset;
return(ret);
}
public static Pango.Context ContextGetForDisplay(Gdk.Display display)
{
IntPtr raw_ret = gdk_pango_context_get_for_display(display == null ? IntPtr.Zero : display.Handle);
Pango.Context ret = GLib.Object.GetObject(raw_ret) as Pango.Context;
return(ret);
}
/* public methods */
public GtkStyleProvider(Style style, StateType state, Pango.Context context)
{
this.gtk_style = style;
this.state = state;
this.context = context;
this.context.ToString();
}
/// <summary>
/// Sets the Pango.Layout for pager text as it will be rendered. This will be used to perform sizing on the rest of the pager.
/// </summary>
protected virtual Pango.Layout SetupPagerText(Pango.Context pangoContext)
{
Pango.Layout pl = new Pango.Layout(pangoContext);
pl.SetText(string.Format("{0} of {1}", CurrentPage + 1, NumPages));
pl.FontDescription = Font;
pl.FontDescription.AbsoluteSize = Pango.Units.FromPixels(Styles.PopoverWindow.PagerHeight - 5);
return(pl);
}
public static GLib.List ItemizeWithBaseDir(Pango.Context context, Pango.Direction base_dir, string text, int start_index, int length, Pango.AttrList attrs, Pango.AttrIterator cached_iter)
{
IntPtr native_text = GLib.Marshaller.StringToPtrGStrdup(text);
IntPtr raw_ret = pango_itemize_with_base_dir(context == null ? IntPtr.Zero : context.Handle, (int)base_dir, native_text, start_index, length, attrs == null ? IntPtr.Zero : attrs.Handle, cached_iter == null ? IntPtr.Zero : cached_iter.Handle);
GLib.List ret = new GLib.List(raw_ret);
GLib.Marshaller.Free(native_text);
return(ret);
}
Pango.Layout ButtonLayout(Pango.Context context)
{
var layout = new Pango.Layout(context);
layout.FontDescription = Pango.FontDescription.FromString(Platform.IsMac ? Styles.WelcomeScreen.FontFamilyMac : Styles.WelcomeScreen.FontFamilyWindows);
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels(16);
layout.SetText("Start Building Apps");
return(layout);
}
Pango.Layout TitleLayout(Pango.Context context)
{
var layout = new Pango.Layout(context);
layout.FontDescription = Pango.FontDescription.FromString(Platform.IsMac ? Styles.WelcomeScreen.FontFamilyMac : Styles.WelcomeScreen.FontFamilyWindows);
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels(26);
layout.SetText("Welcome To " + BrandingService.SuiteName + "!");
return(layout);
}
public Layout(Pango.Context context) : base(IntPtr.Zero)
{
if (GetType() != typeof(Layout))
{
var vals = new List <GLib.Value> ();
var names = new List <string> ();
CreateNativeObject(names.ToArray(), vals.ToArray());
return;
}
Raw = pango_layout_new(context == null ? IntPtr.Zero : context.Handle);
}
public bool HitTestPagerRightArrow(Pango.Context pangoContext, Gdk.Rectangle region, Gdk.Point hitPoint)
{
using (Pango.Layout layout = SetupPagerText(pangoContext)) {
var boundingBox = GetPagerBounds(layout, region);
Gdk.Rectangle arrowActiveRect = new Gdk.Rectangle(boundingBox.X + boundingBox.Width - (pagerArrowPadding * 2 + Styles.PopoverWindow.PagerTriangleSize),
boundingBox.Y,
Styles.PopoverWindow.PagerTriangleSize + (pagerArrowPadding * 2),
boundingBox.Height);
return(arrowActiveRect.Contains(hitPoint));
}
}
public LineRenderer(Pango.Context ctx, string str)
{
var pieces = str.Split(null as string[], StringSplitOptions.RemoveEmptyEntries);
List <TokenRenderer> line = new List <TokenRenderer> ();
var currentLine = "";
var desc = ctx.FontDescription.Copy();
desc.AbsoluteSize = Pango.Units.FromPixels(14);
desc.Weight = Pango.Weight.Bold;
var layout = new Pango.Layout(ctx);
layout.SetMarkup(" ");
int w, h;
layout.GetPixelSize(out w, out h);
Spacing = w;
foreach (var token in pieces)
{
if (rx.IsMatch(token))
{
if (!String.IsNullOrEmpty(currentLine))
{
line.Add(new TokenRenderer(ctx, currentLine, false));
}
line.Add(new TokenRenderer(ctx, token.Substring(1, token.Length - 2), true));
currentLine = "";
}
else
{
if (!String.IsNullOrEmpty(currentLine))
{
currentLine += " ";
}
currentLine += token;
}
}
if (!String.IsNullOrEmpty(currentLine))
{
line.Add(new TokenRenderer(ctx, currentLine, false));
}
tokens = line.ToArray();
Width = tokens.Sum(t => t.Width + t.Spacing);
Height = tokens.Max(t => t.Height);
}
public static Pango.Layout CreateLayout(Gtk.Widget widget, Cairo.Context cairo_context)
{
Pango.Layout layout = PangoCairoHelper.CreateLayout(cairo_context);
layout.FontDescription = widget.PangoContext.FontDescription.Copy();
double resolution = widget.Screen.Resolution;
if (resolution != -1)
{
Pango.Context context = PangoCairoHelper.LayoutGetContext(layout);
PangoCairoHelper.ContextSetResolution(context, resolution);
context.Dispose();
}
return(layout);
}
public static Pango.Layout CreateLayout(this Gtk.Widget widget, Context cairo_context)
{
Pango.Layout layout = cairo_context.CreateLayout();
layout.FontDescription = widget.PangoContext.FontDescription.Copy();
double resolution = -1;//widget.Screen.Resolution;
if (resolution != -1)
{
Pango.Context context = layout.GetContext();
context.SetResolution(resolution);
context.Dispose();
}
return(layout);
}
public FormattedTextImpl(
Pango.Context context,
string text,
Typeface typeface,
TextAlignment textAlignment,
TextWrapping wrapping,
Size constraint,
IReadOnlyList <FormattedTextStyleSpan> spans)
{
Contract.Requires <ArgumentNullException>(context != null);
Contract.Requires <ArgumentNullException>(text != null);
Layout = new Pango.Layout(context);
Layout.SetText(text);
Layout.FontDescription = new Pango.FontDescription
{
Family = typeface?.FontFamilyName ?? "monospace",
Size = Pango.Units.FromDouble(CorrectScale(typeface?.FontSize ?? 12)),
Style = (Pango.Style)(typeface?.Style ?? FontStyle.Normal),
Weight = (typeface?.Weight ?? FontWeight.Normal).ToCairo(),
};
Layout.Alignment = textAlignment.ToCairo();
Layout.Attributes = new Pango.AttrList();
Layout.Width = double.IsPositiveInfinity(constraint.Width) ? -1 : Pango.Units.FromDouble(constraint.Width);
if (spans != null)
{
foreach (var span in spans)
{
if (span.ForegroundBrush is SolidColorBrush scb)
{
var color = new Pango.Color();
color.Parse(string.Format("#{0}", scb.Color.ToString().Substring(3)));
var brushAttr = new Pango.AttrForeground(color);
brushAttr.StartIndex = (uint)TextIndexToPangoIndex(span.StartIndex);
brushAttr.EndIndex = (uint)TextIndexToPangoIndex(span.StartIndex + span.Length);
this.Layout.Attributes.Insert(brushAttr);
}
}
}
Size = Measure();
}
public static void SetResolution(this Pango.Context context, double dpi)
{
switch (platform)
{
case PlatformTypes.Windows:
pango_cairo_context_set_resolution_win(context == null ? IntPtr.Zero : context.Handle, dpi);
break;
case PlatformTypes.MacOSX:
pango_cairo_context_set_resolution_mac(context == null ? IntPtr.Zero : context.Handle, dpi);
break;
default:
pango_cairo_context_set_resolution(context == null ? IntPtr.Zero : context.Handle, dpi);
break;
}
}
public static Pango.Layout CreateLayout(Gtk.Widget widget, Cairo.Context cairo_context)
{
Pango.Layout layout = Pango.CairoHelper.CreateLayout(cairo_context);
layout.FontDescription = widget.PangoContext.FontDescription;
double resolution = widget.Screen.Resolution;
if (resolution != -1)
{
Pango.Context context = layout.Context;
Pango.CairoHelper.ContextSetResolution(context, resolution);
context.Dispose();
}
Log.Debug("Creating Pango.Layout, configuring Cairo.Context");
return(layout);
}
public static void ContextSetShapeRenderer(Pango.Context context, Pango.CairoShapeRendererFunc func)
{
PangoSharp.CairoShapeRendererFuncWrapper func_wrapper = new PangoSharp.CairoShapeRendererFuncWrapper(func);
IntPtr data;
GLib.DestroyNotify dnotify;
if (func == null)
{
data = IntPtr.Zero;
dnotify = null;
}
else
{
data = (IntPtr)GCHandle.Alloc(func_wrapper);
dnotify = GLib.DestroyHelper.NotifyHandler;
}
pango_cairo_context_set_shape_renderer(context == null ? IntPtr.Zero : context.Handle, func_wrapper.NativeDelegate, data, dnotify);
}
public void HandleDrawn(object o, Gtk.DrawnArgs args)
{
var h = Handler;
var allocation = h.Control.Allocation.Size;
args.Cr.Rectangle(new Cairo.Rectangle(0, 0, allocation.Width, allocation.Height));
args.Cr.Clip();
Gdk.Rectangle rect = new Gdk.Rectangle();
if (!GraphicsHandler.GetClipRectangle(args.Cr, ref rect))
{
rect = new Gdk.Rectangle(Gdk.Point.Zero, allocation);
}
#if old
using (var graphics = new Graphics(new GraphicsHandler(args.Cr, h.Control.CreatePangoContext(), false)))
{
if (h.SelectedBackgroundColor != null)
{
graphics.Clear(h.SelectedBackgroundColor.Value);
}
h.Callback.OnPaint(h.Widget, new PaintEventArgs(graphics, rect.ToEto()));
}
#else
//CreatePangoContext - creates a new one each time. local owned
//GetPangoContext - gets a context owned by the control
// only get the pango context once, using a context owned by the widget
if (Pcontext == null)
{
Pcontext = h.Control.GetPangoContext();
}
using (var graphics = new Graphics(new GraphicsHandler(args.Cr, Pcontext, false)))
{
if (h.SelectedBackgroundColor != null)
{
graphics.Clear(h.SelectedBackgroundColor.Value);
}
h.Callback.OnPaint(h.Widget, new PaintEventArgs(graphics, rect.ToEto()));
}
#endif
}
public TextBox(int nlines)
{
ShadowType = Gtk.ShadowType.In;
SetPolicy(Gtk.PolicyType.Never, Gtk.PolicyType.Automatic);
textview = new Gtk.TextView();
textview.WrapMode = Gtk.WrapMode.Word;
textview.Show();
Add(textview);
Pango.Context ctx = textview.PangoContext;
Pango.FontMetrics metrics = ctx.GetMetrics(textview.Style.FontDescription,
ctx.Language);
int lineHeight = (metrics.Ascent + metrics.Descent) / (int)Pango.Scale.PangoScale;
SetSizeRequest(-1, lineHeight * nlines);
textview.Buffer.Changed += Buffer_Changed;
}
private Pango.Layout CreateAdaptLayout(Pango.Layout layout, bool small, bool bold)
{
if (layout == null)
{
Pango.Context context = CreatePangoContext();
layout = new Pango.Layout(context);
layout.FontDescription = context.FontDescription;
pango_size_normal = layout.FontDescription.Size;
}
layout.FontDescription.Size = small
? (int)(layout.FontDescription.Size * Pango.Scale.Small)
: pango_size_normal;
layout.FontDescription.Weight = bold
? Pango.Weight.Bold
: Pango.Weight.Normal;
return(layout);
}
public StackFrameCellRenderer (Pango.Context ctx)
{
Context = ctx;
}
