public static Gdk.Pixbuf LoadIcon(Gtk.Widget widget, string name, Gtk.IconSize size, int sz)
{
Gdk.Pixbuf res = widget.RenderIcon(name, size, null);
if ((res != null))
{
return(res);
}
else
{
try {
return(Gtk.IconTheme.Default.LoadIcon(name, sz, 0));
}
catch (System.Exception) {
if ((name != "gtk-missing-image"))
{
return(Stetic.IconLoader.LoadIcon(widget, "gtk-missing-image", size, sz));
}
else
{
Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, sz, sz);
Gdk.GC gc = new Gdk.GC(pmap);
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, sz, sz);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (sz - 1), (sz - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)), ((sz - 1) - (sz / 4)));
pmap.DrawLine(gc, ((sz - 1) - (sz / 4)), (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)));
return(Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, sz, sz));
}
}
}
}
public static Gdk.Pixbuf LoadIcon (Gtk.Widget widget, string name, Gtk.IconSize size)
{
Gdk.Pixbuf res = widget.RenderIcon (name, size, null);
if ((res != null)) {
return res;
} else {
int sz;
int sy;
global::Gtk.Icon.SizeLookup (size, out sz, out sy);
try {
return Gtk.IconTheme.Default.LoadIcon (name, sz, 0);
} catch (System.Exception) {
if ((name != "gtk-missing-image")) {
return Stetic.IconLoader.LoadIcon (widget, "gtk-missing-image", size);
} else {
Gdk.Pixmap pmap = new Gdk.Pixmap (Gdk.Screen.Default.RootWindow, sz, sz);
Gdk.GC gc = new Gdk.GC (pmap);
gc.RgbFgColor = new Gdk.Color (255, 255, 255);
pmap.DrawRectangle (gc, true, 0, 0, sz, sz);
gc.RgbFgColor = new Gdk.Color (0, 0, 0);
pmap.DrawRectangle (gc, false, 0, 0, (sz - 1), (sz - 1));
gc.SetLineAttributes (3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color (255, 0, 0);
pmap.DrawLine (gc, (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)), ((sz - 1) - (sz / 4)));
pmap.DrawLine (gc, ((sz - 1) - (sz / 4)), (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)));
return Gdk.Pixbuf.FromDrawable (pmap, pmap.Colormap, 0, 0, 0, 0, sz, sz);
}
}
}
}
public void XorRect(Gdk.Rectangle rect)
{
if (xorGC == null)
{
if (IsRealized)
{
Gdk.GCValues values = new Gdk.GCValues();
values.Function = Gdk.Function.Invert;
values.SubwindowMode = Gdk.SubwindowMode.IncludeInferiors;
xorGC = new Gdk.GC(GdkWindow);
xorGC.SetValues(values, Gdk.GCValuesMask.Function |
Gdk.GCValuesMask.Subwindow);
}
else
{
return;
}
}
xorGC.SetLineAttributes(1, Gdk.LineStyle.OnOffDash,
Gdk.CapStyle.NotLast,
Gdk.JoinStyle.Bevel);
xorGC.SetDashes(1, new sbyte[] { 1, 1 }, 2);
GdkWindow.DrawRectangle(xorGC, false, rect.X, rect.Y,
rect.Width, rect.Height);
xorGC.SetDashes(0, new sbyte[] { 1, 1 }, 2);
GdkWindow.DrawRectangle(xorGC, false, rect.X + 1,
rect.Y + 1, rect.Width - 2,
rect.Height - 2);
}
Gdk.GC CreateDashedLineGC (Gdk.Color fg)
{
var gc = new Gdk.GC (Editor.GdkWindow);
gc.RgbFgColor = fg;
gc.SetLineAttributes (1, Gdk.LineStyle.OnOffDash, Gdk.CapStyle.NotLast, Gdk.JoinStyle.Bevel);
gc.SetDashes (0, new sbyte[] { 1, 1 }, 2);
return gc;
}
Gdk.GC CreateDashedLineGC(Gdk.Color fg)
{
var gc = new Gdk.GC(Editor.GdkWindow);
gc.RgbFgColor = fg;
gc.SetLineAttributes(1, Gdk.LineStyle.OnOffDash, Gdk.CapStyle.NotLast, Gdk.JoinStyle.Bevel);
gc.SetDashes(0, new sbyte[] { 1, 1 }, 2);
return(gc);
}
void OnRealize(object sender, EventArgs args)
{
gcBar = new Gdk.GC(drawer.GdkWindow);
gcBar.RgbFgColor = new Gdk.Color(0xa0, 0, 0);
gcGrid = new Gdk.GC(drawer.GdkWindow);
gcGrid.RgbFgColor = new Gdk.Color(0x60, 0x60, 0xff);
gcGrid.SetLineAttributes(1,
Gdk.LineStyle.OnOffDash,
Gdk.CapStyle.Butt,
Gdk.JoinStyle.Miter);
gcGrid.SetDashes(0, new sbyte[] { 2, 4 }, 2);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor)
{
var gsize2x = Util.GetBestSizeFit(width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
{
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
if (result == null)
{
#if XWT_GTK3
// TODO: GTK3: render a custom gtk-missing-image icon if the stock icon
// if Gtk.Stock.MissingImage can not be loaded
return(CreateBitmap(Gtk.Stock.MissingImage, width, height, scaleFactor));
#else
int w = (int)width;
int h = (int)height;
Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, w, h);
Gdk.GC gc = new Gdk.GC(pmap);
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine(gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
return(Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, w, h));
#endif
}
return(result);
}
public static Gdk.Pixbuf LoadIcon(Gtk.Widget widget, string name, Gtk.IconSize size)
{
#if GTK2
Gdk.Pixbuf res = widget.RenderIcon(name, size, null);
#elif GTK3
Gdk.Pixbuf res = widget.RenderIconPixbuf(name, size);
#endif
if ((res != null))
{
return(res);
}
else
{
int sz;
int sy;
global::Gtk.Icon.SizeLookup(size, out sz, out sy);
try {
return(Gtk.IconTheme.Default.LoadIcon(name, sz, 0));
} catch (System.Exception) {
if ((name != "gtk-missing-image"))
{
return(Stetic.IconLoader.LoadIcon(widget, "gtk-missing-image", size));
}
else
{
#if GTK2
Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, sz, sz);
Gdk.GC gc = new Gdk.GC(pmap);
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, sz, sz);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (sz - 1), (sz - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)), ((sz - 1) - (sz / 4)));
pmap.DrawLine(gc, ((sz - 1) - (sz / 4)), (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)));
return(Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, sz, sz));
#elif GTK3
throw new System.NotImplementedException();
#endif
}
}
}
}
void OnKeyPress(object sender, KeyPressEventArgs KPargs)
{
Gdk.GC gc = new Gdk.GC((Drawable)base.GdkWindow);
gc.RgbFgColor = new Gdk.Color(255, 50, 50);
gc.RgbBgColor = new Gdk.Color(0, 0, 0);
gc.SetLineAttributes(3, LineStyle.OnOffDash, CapStyle.Projecting, JoinStyle.Round);
Gdk.Point[] pts = new Gdk.Point[8];
pts[0] = new Gdk.Point(10, 50);
pts[1] = new Gdk.Point(15, 70);
pts[2] = new Gdk.Point(20, 80);
pts[3] = new Gdk.Point(25, 70);
pts[4] = new Gdk.Point(30, 80);
pts[5] = new Gdk.Point(40, 90);
pts[6] = new Gdk.Point(55, 85);
pts[7] = new Gdk.Point(75, 65);
base.GdkWindow.DrawLines(gc, pts);
}
private void XorRect()
{
rectDrawn = !rectDrawn;
if (rectOwner != null)
{
Gdk.Rectangle rect = new Gdk.Rectangle(request.X,
request.Y,
request.Width,
request.Height);
rectOwner.XorRect(rect);
return;
}
Gdk.Window window = Gdk.Global.DefaultRootWindow;
if (rootXorGC == null)
{
Gdk.GCValues values = new Gdk.GCValues();
values.Function = Gdk.Function.Invert;
values.SubwindowMode = Gdk.SubwindowMode.IncludeInferiors;
rootXorGC = new Gdk.GC(window);
rootXorGC.SetValues(values, Gdk.GCValuesMask.Function |
Gdk.GCValuesMask.Subwindow);
}
rootXorGC.SetLineAttributes(1, Gdk.LineStyle.OnOffDash,
Gdk.CapStyle.NotLast,
Gdk.JoinStyle.Bevel);
rootXorGC.SetDashes(1, new sbyte[] { 1, 1 }, 2);
window.DrawRectangle(rootXorGC, false, request.X, request.Y,
request.Width, request.Height);
rootXorGC.SetDashes(0, new sbyte[] { 1, 1 }, 2);
window.DrawRectangle(rootXorGC, false, request.X + 1,
request.Y + 1, request.Width - 2,
request.Height - 2);
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
bool bres = base.OnExposeEvent(evnt);
if (!base.Decorated)
{
Gdk.GC gc = this.vboxWindow.Style.BackgroundGC(Gtk.StateType.Normal);
gc.SetLineAttributes(FrameBorderWidth, Gdk.LineStyle.Solid, Gdk.CapStyle.Butt, Gdk.JoinStyle.Miter);
base.GdkWindow.DrawRectangle(
gc,
false,
Allocation.X + FrameBorderWidth / 2,
Allocation.Y + FrameBorderWidth / 2,
Allocation.Width - FrameBorderWidth,
Allocation.Height - FrameBorderWidth
);
}
return(bres);
}
public static Gdk.Pixbuf LoadIcon(string name, int sz) {
try {
return Gtk.IconTheme.Default.LoadIcon(name, sz, 0);
}
catch (System.Exception ) {
if ((name != "gtk-missing-image")) {
return Stetic.IconLoader.LoadIcon("gtk-missing-image", sz);
}
else {
Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, sz, sz);
Gdk.GC gc = new Gdk.GC(pmap);
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, sz, sz);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (sz - 1), (sz - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)), ((sz - 1) - (sz / 4)));
pmap.DrawLine(gc, ((sz - 1) - (sz / 4)), (sz / 4), (sz / 4), ((sz - 1) - (sz / 4)));
return Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, sz, sz);
}
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
Graphics g = Gtk.DotNet.Graphics.FromDrawable(evnt.Window);
Bitmap img = null;
int wwidth = this.Allocation.Width;
int wheight = this.Allocation.Height;
if (this.Icon != null)
{
img = GraphUtil.BitmapFromPixbuf(this.Icon);
}
//draw icon
if (this.Icon != null)
{
int x = Allocation.Left, y = Allocation.Top;
//calculate x and y for icon
if (IconPosition == HPosition.Bottom)
{
x += (wwidth / 2) - (img.Width / 2);
y += wheight - img.Height;
}
if (IconPosition == HPosition.BottomLeft)
{
x = Allocation.Left;
y += wheight - img.Height;
}
if (IconPosition == HPosition.BottomRight)
{
x += wwidth - img.Width;
y += wheight - img.Height;
}
if (IconPosition == HPosition.Center)
{
x += (wwidth / 2) - (img.Width / 2);
y += (wheight / 2) - (img.Height / 2);
}
if (IconPosition == HPosition.Left)
{
x = Allocation.Left;
y += (wheight / 2) - (img.Height / 2);
}
if (IconPosition == HPosition.Right)
{
x += wwidth - img.Width;
y += (wheight / 2) - (img.Height / 2);
}
if (IconPosition == HPosition.Top)
{
x += (wwidth / 2) - (img.Width / 2);
y = Allocation.Top;
}
if (IconPosition == HPosition.TopLeft)
{
x = Allocation.Left;
y = Allocation.Top;
}
if (IconPosition == HPosition.TopRight)
{
x += wwidth - img.Width;
y = Allocation.Top;
}
g.DrawImageUnscaled(img, x, y, img.Width, img.Height);
}
//
//calculate text rectangle
Rectangle rect = new Rectangle(Allocation.Left, Allocation.Top, wwidth, wheight);
int imgwidth = 0, imgheight = 0;
if (Icon != null)
{
imgwidth = img.Width;
imgheight = img.Height;
}
if (!TextOverwritesIcon)
{
if (IconPosition == HPosition.Bottom)
{
rect = new Rectangle(Allocation.Left, Allocation.Top, wwidth, wheight - imgheight);
}
if (IconPosition == HPosition.BottomLeft)
{
rect = new Rectangle(Allocation.Left + imgwidth, Allocation.Top, wwidth, wheight - imgheight);
}
if (IconPosition == HPosition.BottomRight)
{
rect = new Rectangle(Allocation.Left, Allocation.Top, wwidth - imgwidth, wheight - imgheight);
}
if (IconPosition == HPosition.Left)
{
rect = new Rectangle(Allocation.Left + imgwidth, Allocation.Top, wwidth, wheight - imgheight);
}
if (IconPosition == HPosition.Right)
{
rect = new Rectangle(Allocation.Left, Allocation.Top, wwidth - imgwidth, wheight);
}
if (IconPosition == HPosition.Top)
{
rect = new Rectangle(Allocation.Left, Allocation.Top + imgheight, wwidth, wheight - imgheight);
}
if (IconPosition == HPosition.TopLeft)
{
rect = new Rectangle(Allocation.Left + imgwidth, Allocation.Top + imgheight, wwidth - imgwidth, wheight - imgheight);
}
if (IconPosition == HPosition.TopRight)
{
rect = new Rectangle(Allocation.Left, Allocation.Top + imgheight, wwidth - imgwidth, wheight - imgheight);
}
}
//calculate text size
float fnt_sz = this.PangoContext.FontDescription.Size / 1000;
Font fnt = new Font(this.PangoContext.FontDescription.Family, fnt_sz);
SizeF ts = g.MeasureString(this.Text, fnt);
//draw text
if (this.Text.Length > 0)
{
float x = rect.Left, y = rect.Top;
//calculate x and y for text
if (TextPosition == HPosition.Bottom)
{
x += (wwidth / 2) - (ts.Width / 2);
y += wheight - ts.Height;
}
if (TextPosition == HPosition.BottomLeft)
{
x = rect.Left;
y += wheight - ts.Height;
}
if (TextPosition == HPosition.BottomRight)
{
x += wwidth - ts.Width;
y += wheight - ts.Height;
}
if (TextPosition == HPosition.Center)
{
x += (wwidth / 2) - (ts.Width / 2);
y += (wheight / 2) - (ts.Height / 2);
}
if (TextPosition == HPosition.Left)
{
x = rect.Left;
y += (wheight / 2) - (ts.Height / 2);
}
if (TextPosition == HPosition.Right)
{
x += wwidth - ts.Width;
y += (wheight / 2) - (ts.Height / 2);
}
if (TextPosition == HPosition.Top)
{
x += (wwidth / 2) - (ts.Width / 2);
y = rect.Top;
}
if (TextPosition == HPosition.TopLeft)
{
x = rect.Left;
y = rect.Top;
}
if (TextPosition == HPosition.TopRight)
{
x += wwidth - ts.Width;
y = rect.Top;
}
//draw text
Gdk.Color c = this.Style.Text(this.State);
SolidBrush b = new SolidBrush(GraphUtil.winFormsColorFromGdk(c));
g.DrawString(this.Text, fnt, b, x, y);
//draw selection rectangle if necesary
if (TextInSelectionRectangle)
{
Gdk.GC gc = this.Style.TextGC(Gtk.StateType.Insensitive);
gc.SetLineAttributes(1, Gdk.LineStyle.OnOffDash, Gdk.CapStyle.NotLast, Gdk.JoinStyle.Round);
evnt.Window.DrawRectangle(gc, false, (int)x, (int)y + 1, (int)ts.Width, (int)ts.Height);
}
}
//draw line if horizonatlLine is true
if (this.HorizontalLine)
{
int x1 = rect.Left + (int)ts.Width + lineTextPadding;
int y = rect.Top + Allocation.Height / 2;
int x2 = rect.Left + Allocation.Width - lineTextPadding;
if (x2 > x1)
{
Gtk.Style.PaintHline(this.Style, GdkWindow, this.State, this.Allocation, this, "hline", x1, x2, y);
}
}
return(true);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault (stockId);
if (iconset != null) {
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit (width);
result = iconset.RenderIcon (Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor) {
var gsize2x = Util.GetBestSizeFit (width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon (Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon (stockId))
result = Gtk.IconTheme.Default.LoadIcon (stockId, (int)width, (Gtk.IconLookupFlags)0);
if (result == null) {
// return CreateBitmap (Gtk.Stock.MissingImage, width, height, scaleFactor);
int w = (int) width;
int h = (int) height;
Gdk.Pixmap pmap = new Gdk.Pixmap (Gdk.Screen.Default.RootWindow, w, h);
Gdk.GC gc = new Gdk.GC (pmap);
gc.RgbFgColor = new Gdk.Color (255, 255, 255);
pmap.DrawRectangle (gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color (0, 0, 0);
pmap.DrawRectangle (gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes (3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color (255, 0, 0);
pmap.DrawLine (gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine (gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
return Gdk.Pixbuf.FromDrawable (pmap, pmap.Colormap, 0, 0, 0, 0, w, h);
}
return result;
}
void OnRealize(object sender, EventArgs args)
{
gcBar = new Gdk.GC(drawer.GdkWindow);
gcBar.RgbFgColor = new Gdk.Color(0xa0, 0, 0);
gcGrid = new Gdk.GC(drawer.GdkWindow);
gcGrid.RgbFgColor = new Gdk.Color(0x60, 0x60, 0xff);
gcGrid.SetLineAttributes(1,
Gdk.LineStyle.OnOffDash,
Gdk.CapStyle.Butt,
Gdk.JoinStyle.Miter);
gcGrid.SetDashes(0, new sbyte[]{2, 4}, 2);
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault (stockId);
if (iconset != null) {
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit (width);
result = iconset.RenderIcon (Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor) {
var gsize2x = Util.GetBestSizeFit (width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon (Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon (stockId))
result = Gtk.IconTheme.Default.LoadIcon (stockId, (int)width, (Gtk.IconLookupFlags)0);
if (result == null)
{
// render a custom gtk-missing-image icon
// if Gtk.Stock.MissingImage is not found
int w = (int)width;
int h = (int)height;
#if XWT_GTK3
Cairo.ImageSurface s = new Cairo.ImageSurface(Cairo.Format.ARGB32, w, h);
Cairo.Context cr = new Cairo.Context(s);
cr.SetSourceRGB(255, 255, 255);
cr.Rectangle(0, 0, w, h);
cr.Fill();
cr.SetSourceRGB(0, 0, 0);
cr.LineWidth = 1;
cr.Rectangle(0.5, 0.5, w - 1, h - 1);
cr.Stroke();
cr.SetSourceRGB(255, 0, 0);
cr.LineWidth = 3;
cr.LineCap = Cairo.LineCap.Round;
cr.LineJoin = Cairo.LineJoin.Round;
cr.MoveTo(w / 4, h / 4);
cr.LineTo((w - 1) - w / 4, (h - 1) - h / 4);
cr.MoveTo(w / 4, (h - 1) - h / 4);
cr.LineTo((w - 1) - w / 4, h / 4);
cr.Stroke();
result = Gtk3Extensions.GetFromSurface(s, 0, 0, w, h);
#else
using (Gdk.Pixmap pmap = new Gdk.Pixmap (Gdk.Screen.Default.RootWindow, w, h))
using (Gdk.GC gc = new Gdk.GC (pmap)) {
gc.RgbFgColor = new Gdk.Color (255, 255, 255);
pmap.DrawRectangle (gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color (0, 0, 0);
pmap.DrawRectangle (gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes (3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color (255, 0, 0);
pmap.DrawLine (gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine (gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
result = Gdk.Pixbuf.FromDrawable (pmap, pmap.Colormap, 0, 0, 0, 0, w, h);
}
#endif
}
return result;
}
internal static Gdk.Pixbuf CreateBitmap(string stockId, double width, double height, double scaleFactor)
{
Gdk.Pixbuf result = null;
Gtk.IconSet iconset = Gtk.IconFactory.LookupDefault(stockId);
if (iconset != null)
{
// Find the size that better fits the requested size
Gtk.IconSize gsize = Util.GetBestSizeFit(width);
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize, null, null, scaleFactor);
if (result == null || result.Width < width * scaleFactor)
{
var gsize2x = Util.GetBestSizeFit(width * scaleFactor, iconset.Sizes);
if (gsize2x != Gtk.IconSize.Invalid && gsize2x != gsize)
{
// Don't dispose the previous result since the icon is owned by the IconSet
result = iconset.RenderIcon(Gtk.Widget.DefaultStyle, Gtk.TextDirection.Ltr, Gtk.StateType.Normal, gsize2x, null, null);
}
}
}
if (result == null && Gtk.IconTheme.Default.HasIcon(stockId))
{
result = Gtk.IconTheme.Default.LoadIcon(stockId, (int)width, (Gtk.IconLookupFlags) 0);
}
if (result == null)
{
// render a custom gtk-missing-image icon
// if Gtk.Stock.MissingImage is not found
int w = (int)width;
int h = (int)height;
#if XWT_GTK3
Cairo.ImageSurface s = new Cairo.ImageSurface(Cairo.Format.ARGB32, w, h);
Cairo.Context cr = new Cairo.Context(s);
cr.SetSourceRGB(255, 255, 255);
cr.Rectangle(0, 0, w, h);
cr.Fill();
cr.SetSourceRGB(0, 0, 0);
cr.LineWidth = 1;
cr.Rectangle(0.5, 0.5, w - 1, h - 1);
cr.Stroke();
cr.SetSourceRGB(255, 0, 0);
cr.LineWidth = 3;
cr.LineCap = Cairo.LineCap.Round;
cr.LineJoin = Cairo.LineJoin.Round;
cr.MoveTo(w / 4, h / 4);
cr.LineTo((w - 1) - w / 4, (h - 1) - h / 4);
cr.MoveTo(w / 4, (h - 1) - h / 4);
cr.LineTo((w - 1) - w / 4, h / 4);
cr.Stroke();
result = Gtk3Extensions.GetFromSurface(s, 0, 0, w, h);
#else
using (Gdk.Pixmap pmap = new Gdk.Pixmap(Gdk.Screen.Default.RootWindow, w, h))
using (Gdk.GC gc = new Gdk.GC(pmap)) {
gc.RgbFgColor = new Gdk.Color(255, 255, 255);
pmap.DrawRectangle(gc, true, 0, 0, w, h);
gc.RgbFgColor = new Gdk.Color(0, 0, 0);
pmap.DrawRectangle(gc, false, 0, 0, (w - 1), (h - 1));
gc.SetLineAttributes(3, Gdk.LineStyle.Solid, Gdk.CapStyle.Round, Gdk.JoinStyle.Round);
gc.RgbFgColor = new Gdk.Color(255, 0, 0);
pmap.DrawLine(gc, (w / 4), (h / 4), ((w - 1) - (w / 4)), ((h - 1) - (h / 4)));
pmap.DrawLine(gc, ((w - 1) - (w / 4)), (h / 4), (w / 4), ((h - 1) - (h / 4)));
result = Gdk.Pixbuf.FromDrawable(pmap, pmap.Colormap, 0, 0, 0, 0, w, h);
}
#endif
}
return(result);
}
private void Line_Expose(object sender, Gtk.ExposeEventArgs e)
{
Gtk.DrawingArea line = (Gtk.DrawingArea)sender;
Gdk.GC gc = new Gdk.GC(line.GdkWindow);
Gdk.Rectangle alloc = line.Allocation;
int rightSide = 0;
if (line.Direction != Gtk.TextDirection.Rtl)
{
rightSide = alloc.Width;
}
Utility.Pair<int, bool> lineData = (Utility.Pair<int, bool>)_lines[line];
if (lineData != null)
{
int i = lineData.First;
bool rela = lineData.Second;
Gdk.LineStyle lineStyle = Gdk.LineStyle.Solid;
if (!rela)
{
lineStyle = Gdk.LineStyle.OnOffDash;
}
int lineWidth = 3;
gc.SetLineAttributes(lineWidth, lineStyle, Gdk.CapStyle.Butt, Gdk.JoinStyle.Bevel);
if (i % 2 == 0)
{
line.GdkWindow.DrawLine(gc, rightSide, alloc.Height / 2, alloc.Width / 2, alloc.Height / 2);
line.GdkWindow.DrawLine(gc, alloc.Width / 2, 0, alloc.Width / 2, alloc.Height / 2);
}
else
{
line.GdkWindow.DrawLine(gc, rightSide, alloc.Height / 2, alloc.Width / 2, alloc.Height / 2);
line.GdkWindow.DrawLine(gc, alloc.Width / 2, alloc.Height, alloc.Width / 2, alloc.Height / 2);
}
}
}
