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Merge pull request #270 from lytico/lytico/issues/269_GLibrary_issupported

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GLibrary.cs: introduce IsSupported
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lytico 2021-07-20 01:56:05 +02:00 committed by GitHub
commit 1fb5527458
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 142 additions and 65 deletions
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3
Source/Libs/AtkSharp/Global.cs
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@ -40,6 +40,9 @@ namespace Atk {
GLib.Marshaller.Free (native_event_type);
return id;
}
public static bool IsSupported => GLibrary.IsSupported(Library.Atk);
}
}

11
Source/Libs/CairoSharp/Global.cs Normal file
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@ -0,0 +1,11 @@
namespace Cairo
{
public partial class Global
{
public static bool IsSupported => GLibrary.IsSupported(Library.Cairo);
}
}

3
Source/Libs/GLibSharp/Global.cs
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@ -85,6 +85,9 @@ namespace GLib {
{
return Marshaller.PtrToStringGFree (g_format_size_for_display (size));
}
public static bool IsSupported => GLibrary.IsSupported(Library.GLib);
}
}

3
Source/Libs/GdkSharp/Global.cs
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@ -160,6 +160,9 @@ namespace Gdk {
result [i] = (VisualType) tmp [i];
return result;
}
public static bool IsSupported => GLibrary.IsSupported(Library.Gdk);
}
}

11
Source/Libs/GioSharp/Global.cs Normal file
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@ -0,0 +1,11 @@
namespace Gio
{
public partial class Global
{
public static bool IsSupported => GLibrary.IsSupported(Library.Gio);
}
}

5
Source/Libs/GtkSharp/Global.cs
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@ -20,8 +20,6 @@ namespace Gtk {
public partial class Global {
internal const string GtkNativeDll = "libgtk-3-0.dll";
public static bool ShowUri (string uri)
{
return ShowUri (null, uri);
@ -31,6 +29,9 @@ namespace Gtk {
{
return ShowUri (screen, uri, Gtk.Global.CurrentEventTime);
}
public static bool IsSupported => GLibrary.IsSupported(Library.Gtk);
}
}

11
Source/Libs/GtkSourceSharp/Global.cs Normal file
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@ -0,0 +1,11 @@
namespace GtkSource
{
public partial class Global
{
public static bool IsSupported => GLibrary.IsSupported(Library.GtkSource);
}
}

3
Source/Libs/PangoSharp/Global.cs
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@ -50,6 +50,9 @@ namespace Pango {
attrs = new Pango.AttrList (attrs_handle);
return result;
}
public static bool IsSupported => GLibrary.IsSupported(Library.Pango);
}
}

141
Source/Libs/Shared/GLibrary.cs
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@ -5,79 +5,94 @@ using System.Runtime.InteropServices;
class GLibrary
{
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool SetDllDirectory(string lpPathName);
private static Dictionary<Library, IntPtr> _libraries;
private static Dictionary<string, IntPtr> _customlibraries;
private static Dictionary <Library, string[]> _libraryDefinitions;
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool SetDllDirectory(string lpPathName);
static GLibrary()
{
_customlibraries = new Dictionary<string, IntPtr>();
_libraries = new Dictionary<Library, IntPtr>();
_libraryDefinitions = new Dictionary<Library, string[]>();
_libraryDefinitions[Library.GLib] = new[] { "libglib-2.0-0.dll", "libglib-2.0.so.0", "libglib-2.0.0.dylib", "glib-2.dll" };
_libraryDefinitions[Library.GObject] = new[] { "libgobject-2.0-0.dll", "libgobject-2.0.so.0", "libgobject-2.0.0.dylib", "gobject-2.dll" };
_libraryDefinitions[Library.Cairo] = new[] { "libcairo-2.dll", "libcairo.so.2", "libcairo.2.dylib", "cairo.dll" };
_libraryDefinitions[Library.Gio] = new[] { "libgio-2.0-0.dll", "libgio-2.0.so.0", "libgio-2.0.0.dylib", "gio-2.dll" };
_libraryDefinitions[Library.Atk] = new[] { "libatk-1.0-0.dll", "libatk-1.0.so.0", "libatk-1.0.0.dylib", "atk-1.dll" };
_libraryDefinitions[Library.Pango] = new[] { "libpango-1.0-0.dll", "libpango-1.0.so.0", "libpango-1.0.0.dylib", "pango-1.dll" };
_libraryDefinitions[Library.Gdk] = new[] { "libgdk-3-0.dll", "libgdk-3.so.0", "libgdk-3.0.dylib", "gdk-3.dll" };
_libraryDefinitions[Library.GdkPixbuf] = new[] { "libgdk_pixbuf-2.0-0.dll", "libgdk_pixbuf-2.0.so.0", "libgdk_pixbuf-2.0.dylib", "gdk_pixbuf-2.dll" };
_libraryDefinitions[Library.Gtk] = new[] { "libgtk-3-0.dll", "libgtk-3.so.0", "libgtk-3.0.dylib", "gtk-3.dll" };
_libraryDefinitions[Library.PangoCairo] = new[] { "libpangocairo-1.0-0.dll", "libpangocairo-1.0.so.0", "libpangocairo-1.0.0.dylib", "pangocairo-1.dll" };
_libraryDefinitions[Library.GtkSource] = new[] { "libgtksourceview-4-0.dll", "libgtksourceview-4.so.0", "libgtksourceview-4.0.dylib", "gtksourceview-4.dll" };
private static Dictionary<Library, IntPtr> _libraries;
private static HashSet<Library> _librariesNotFound;
private static Dictionary<string, IntPtr> _customlibraries;
private static Dictionary<Library, string[]> _libraryDefinitions;
static GLibrary()
{
_customlibraries = new Dictionary<string, IntPtr>();
_librariesNotFound = new HashSet<Library>();
_libraries = new Dictionary<Library, IntPtr>();
_libraryDefinitions = new Dictionary<Library, string[]>();
_libraryDefinitions[Library.GLib] = new[] {"libglib-2.0-0.dll", "libglib-2.0.so.0", "libglib-2.0.0.dylib", "glib-2.dll"};
_libraryDefinitions[Library.GObject] = new[] {"libgobject-2.0-0.dll", "libgobject-2.0.so.0", "libgobject-2.0.0.dylib", "gobject-2.dll"};
_libraryDefinitions[Library.Cairo] = new[] {"libcairo-2.dll", "libcairo.so.2", "libcairo.2.dylib", "cairo.dll"};
_libraryDefinitions[Library.Gio] = new[] {"libgio-2.0-0.dll", "libgio-2.0.so.0", "libgio-2.0.0.dylib", "gio-2.dll"};
_libraryDefinitions[Library.Atk] = new[] {"libatk-1.0-0.dll", "libatk-1.0.so.0", "libatk-1.0.0.dylib", "atk-1.dll"};
_libraryDefinitions[Library.Pango] = new[] {"libpango-1.0-0.dll", "libpango-1.0.so.0", "libpango-1.0.0.dylib", "pango-1.dll"};
_libraryDefinitions[Library.Gdk] = new[] {"libgdk-3-0.dll", "libgdk-3.so.0", "libgdk-3.0.dylib", "gdk-3.dll"};
_libraryDefinitions[Library.GdkPixbuf] = new[] {"libgdk_pixbuf-2.0-0.dll", "libgdk_pixbuf-2.0.so.0", "libgdk_pixbuf-2.0.dylib", "gdk_pixbuf-2.dll"};
_libraryDefinitions[Library.Gtk] = new[] {"libgtk-3-0.dll", "libgtk-3.so.0", "libgtk-3.0.dylib", "gtk-3.dll"};
_libraryDefinitions[Library.PangoCairo] = new[] {"libpangocairo-1.0-0.dll", "libpangocairo-1.0.so.0", "libpangocairo-1.0.0.dylib", "pangocairo-1.dll"};
_libraryDefinitions[Library.GtkSource] = new[] {"libgtksourceview-4-0.dll", "libgtksourceview-4.so.0", "libgtksourceview-4.0.dylib", "gtksourceview-4.dll"};
_libraryDefinitions[Library.Webkit] = new[] { "libwebkit2gtk-4.0.dll", "libwebkit2gtk-4.0.so.37", "libwebkit2gtk-4.0.dylib", "libwebkit2gtk-4.0.0.dll" };
}
}
public static IntPtr Load(Library library)
{
if (_libraries.TryGetValue(library, out var ret))
return ret;
public static IntPtr Load(Library library)
{
var ret = IntPtr.Zero;
if (_libraries.TryGetValue(library, out ret))
return ret;
if (TryGet(library, out ret)) return ret;
if (FuncLoader.IsWindows)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
var err = library + ": " + string.Join(", ", _libraryDefinitions[library]);
if (ret == IntPtr.Zero)
{
SetDllDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Gtk", "3.24.24"));
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
}
}
else if (FuncLoader.IsOSX)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][2]);
throw new DllNotFoundException(err);
if (ret == IntPtr.Zero)
{
ret = FuncLoader.LoadLibrary("/usr/local/lib/" + _libraryDefinitions[library][2]);
}
}
else
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][1]);
}
if (ret == IntPtr.Zero)
{
for (int i = 0; i < _libraryDefinitions[library].Length; i++)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][i]);
public static bool IsSupported(Library library) => TryGet(library, out var __);
if (ret != IntPtr.Zero)
break;
}
}
static bool TryGet(Library library, out IntPtr ret)
{
ret = IntPtr.Zero;
if (ret == IntPtr.Zero)
{
var err = library + ": " + string.Join(", ", _libraryDefinitions[library]);
throw new DllNotFoundException(err);
}
if (_libraries.TryGetValue(library, out ret)) {
return true;
}
if (_librariesNotFound.Contains(library)) {
return false;
}
if (FuncLoader.IsWindows) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
if (ret == IntPtr.Zero) {
SetDllDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Gtk", "3.24.24"));
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
}
} else if (FuncLoader.IsOSX) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][2]);
if (ret == IntPtr.Zero) {
ret = FuncLoader.LoadLibrary("/usr/local/lib/" + _libraryDefinitions[library][2]);
}
} else
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][1]);
if (ret == IntPtr.Zero) {
for (var i = 0; i < _libraryDefinitions[library].Length; i++) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][i]);
if (ret != IntPtr.Zero)
break;
}
}
if (ret != IntPtr.Zero) {
_libraries[library] = ret;
} else {
_librariesNotFound.Add(library);
}
return ret != IntPtr.Zero;
}
_libraries[library] = ret;
return ret;
}
}

11
Source/Libs/WebkitGtkSharp/Global.cs Normal file
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@ -0,0 +1,11 @@
namespace WebKit
{
public partial class Global
{
public static bool IsSupported => GLibrary.IsSupported(Library.Webkit);
}
}

5
Source/Samples/Sections/Widgets/WebviewSection.cs
View file

@ -19,6 +19,11 @@ namespace Samples
public WebviewSection()
{
if (!WebKit.Global.IsSupported) {
AddItem(($"{nameof(WebKit.WebView)}",new Label($"{typeof(WebView).Namespace} is not suported on your OS")));
return;
}
AddItem(ShowHtml());
AddItem(ShowUri());