private unsafe void SetIcon(AppIcon icon)
{
if (icon == null || icon.Icons.Length == 0)
{
Gtk.Window.SetIcon(Handle, IntPtr.Zero);
}
else
{
IntPtr iconList = IntPtr.Zero;
var icons = new IntPtr[icon.Icons.Length];
try
{
for (int i = 0; i < icons.Length; i++)
{
IntPtr iconStream = IntPtr.Zero;
try
{
byte[] data = icon.GetIconData(icon.Icons[i]);
fixed(byte *iconDataPtr = data)
{
iconStream = GLib.CreateStreamFromData((IntPtr)iconDataPtr, data.Length, IntPtr.Zero);
icons[i] = Gdk.Pixbuf.NewFromStream(iconStream, IntPtr.Zero, IntPtr.Zero);
iconList = GLib.ListPrepend(iconList, icons[i]);
}
}
finally { if (iconStream != IntPtr.Zero)
{
GLib.UnrefObject(iconStream);
}
}
}
Gtk.Window.SetIconList(Handle, iconList);
}
finally
{
if (iconList != IntPtr.Zero)
{
GLib.FreeList(iconList);
}
foreach (var item in icons)
{
if (item != IntPtr.Zero)
{
GLib.UnrefObject(item);
}
}
}
}
}
private void SetBackgroundColor(string color)
{
IntPtr provider = IntPtr.Zero;
try
{
provider = Gtk.Css.Create();
using (GLibString css = $"* {{background-color:{color}}}")
{
Gtk.Css.LoadData(provider, css, new IntPtr(-1), IntPtr.Zero);
}
IntPtr context = Gtk.StyleContext.Get(Handle);
Gtk.StyleContext.AddProvider(context, provider, GtkStyleProviderPriority.Application);
}
finally { if (provider != IntPtr.Zero)
{
GLib.UnrefObject(provider);
}
}
}
private async void UriSchemeCallback(IntPtr request, IntPtr userdata)
{
try
{
var uri = new Uri(GLibString.FromPointer(WebKit.UriScheme.GetRequestUri(request)));
var scheme = uri.GetComponents(UriComponents.Scheme, UriFormat.Unescaped);
if (scheme == CustomScheme)
{
using (var contentStream = await Application.ContentProvider.GetStreamAsync(uri))
{
if (contentStream != null)
{
IntPtr stream = IntPtr.Zero;
try
{
if (contentStream is UnmanagedMemoryStream unmanagedMemoryStream)
{
unsafe
{
long length = unmanagedMemoryStream.Length - unmanagedMemoryStream.Position;
stream = GLib.CreateStreamFromData((IntPtr)unmanagedMemoryStream.PositionPointer, length, IntPtr.Zero);
FinishUriSchemeCallback(request, stream, length, uri);
return;
}
}
else
{
byte[] data;
long length;
if (contentStream is MemoryStream memoryStream)
{
data = memoryStream.GetBuffer();
length = memoryStream.Length;
}
else
{
using (var copyStream = new MemoryStream())
{
await contentStream.CopyToAsync(copyStream);
data = copyStream.GetBuffer();
length = copyStream.Length;
}
}
unsafe
{
fixed(byte *dataPtr = data)
{
stream = GLib.CreateStreamFromData((IntPtr)dataPtr, length, IntPtr.Zero);
FinishUriSchemeCallback(request, stream, length, uri);
return;
}
}
}
}
finally { if (stream != IntPtr.Zero)
{
GLib.UnrefObject(stream);
}
}
}
}
}
FinishUriSchemeCallbackWithError(request, UriCallbackFileNotFound);
}
catch { FinishUriSchemeCallbackWithError(request, UriCallbackUnspecifiedError); }
}
public DialogResult Show(IWindow?parent)
{
var window = NativeCast.To <GtkWindow>(parent);
bool useNative = false && Gtk.Version.IsAtLeast(3, 2, 0);
IntPtr dialog = IntPtr.Zero;
try
{
using (GLibString gtitle = Title)
{
if (useNative)
{
dialog = Gtk.Dialog.CreateNativeFileDialog(
gtitle.Pointer,
window?.Handle ?? IntPtr.Zero,
Type,
IntPtr.Zero,
IntPtr.Zero);
}
else
{
string acceptString = GetAcceptString(Type);
using GLibString acceptButton = acceptString;
using GLibString cancelButton = "_Cancel";
dialog = Gtk.Dialog.CreateFileDialog(
gtitle.Pointer,
window?.Handle ?? IntPtr.Zero,
Type,
cancelButton,
GtkResponseType.Cancel,
acceptButton,
GtkResponseType.Accept,
IntPtr.Zero);
}
}
Gtk.Dialog.SetCanCreateFolder(dialog, true);
BeforeShow(dialog);
GtkResponseType result;
if (useNative)
{
result = Gtk.Dialog.RunNative(dialog);
}
else
{
result = Gtk.Dialog.Run(dialog);
}
var mappedResult = MapResult(result);
BeforeReturn(dialog, mappedResult);
return(mappedResult);
}
finally
{
if (dialog != IntPtr.Zero)
{
if (useNative)
{
GLib.UnrefObject(dialog);
}
else
{
Gtk.Widget.Destroy(dialog);
}
}
}
}
public DialogResult Show(IWindow parent)
{
var window = parent as GtkWindow;
if (parent != null && window == null)
{
throw new ArgumentException("Invalid window type.", nameof(parent));
}
bool useNative = false && Gtk.Version.IsAtLeast(3, 2, 0);
IntPtr dialog = IntPtr.Zero;
try
{
using (GLibString gtitle = Title)
{
if (useNative)
{
dialog = Gtk.Dialog.CreateNativeFileDialog(
gtitle.Pointer,
window?.Handle ?? IntPtr.Zero,
Type,
IntPtr.Zero,
IntPtr.Zero);
}
else
{
string acceptString = GetAcceptString(Type);
using (GLibString acceptButton = acceptString)
using (GLibString cancelButton = "_Cancel")
{
dialog = Gtk.Dialog.CreateFileDialog(
gtitle.Pointer,
window?.Handle ?? IntPtr.Zero,
Type,
cancelButton,
GtkResponseType.Cancel,
acceptButton,
GtkResponseType.Accept,
IntPtr.Zero);
}
}
}
Gtk.Dialog.SetCanCreateFolder(dialog, true);
if (!string.IsNullOrWhiteSpace(InitialDirectory))
{
using (GLibString dir = InitialDirectory)
{
Gtk.Dialog.SetCurrentFolder(dialog, dir);
}
}
if (!string.IsNullOrWhiteSpace(FileName))
{
using (GLibString name = FileName)
{
Gtk.Dialog.SetFileName(dialog, name);
}
}
SetFileFilters(dialog, FileFilters);
BeforeShow(dialog);
GtkResponseType result;
if (useNative)
{
result = Gtk.Dialog.RunNative(dialog);
}
else
{
result = Gtk.Dialog.Run(dialog);
}
using (var fileName = new GLibString(Gtk.Dialog.GetFileName(dialog)))
{
FileName = fileName.ToString();
}
BeforeReturn(dialog);
return(MapResult(result));
}
finally
{
if (dialog != IntPtr.Zero)
{
if (useNative)
{
GLib.UnrefObject(dialog);
}
else
{
Gtk.Widget.Destroy(dialog);
}
}
}
}
