Add GTK support

.gitignore

@@ -48,3 +48,4 @@ tools/
 .DS_Store
 .vscode/
 
+*.user

Samples/Forms/Core/FormsSample.csproj

@@ -54,6 +54,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="2.3.4.270" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>

Samples/Forms/Droid/FormsSample.Droid.csproj

@@ -15,7 +15,7 @@
     <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
     <AssemblyName>FormsSample.Droid</AssemblyName>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
-    <TargetFrameworkVersion>v7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
@@ -98,6 +98,6 @@
   <ItemGroup>
     <PackageReference Include="Xamarin.Android.Support.v4" Version="25.4.0.2" />
     <PackageReference Include="FastAndroidCamera" Version="2.0.0" />
-    <PackageReference Include="Xamarin.Forms" Version="2.4.0.18342" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>

Samples/Forms/GTK/FormsSample.GTK.csproj

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props" Condition="Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>FormsSample.GTK</RootNamespace>
+    <AssemblyName>FormsSample.GTK</AssemblyName>
+    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\OpenTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gdk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glib-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gtk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glade-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="pango-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\pango-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="pango-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\pango-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="atk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\atk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Cairo, Version=4.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\Mono.Cairo\Mono.Cairo.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\Mono.Posix\Mono.Posix.dll</HintPath>
+    </Reference>
+    <Reference Include="webkit-sharp, Version=1.1.15.0, Culture=neutral, PublicKeyToken=eaa1d335d2e19745">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\webkit-sharp.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Core.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Platform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform.GTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\Xamarin.Forms.Platform.GTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Xaml.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Xaml.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="OpenTK.dll.config" />
+    <None Include="packages.config" />
+    <None Include="webkit-sharp.dll.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj">
+      <Project>{7528dd0a-1781-47f4-adbf-eeddb011f6bb}</Project>
+      <Name>ZXing.Net.Mobile.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.Forms.GTK\ZXing.Net.Mobile.Forms.GTK.csproj">
+      <Project>{7aa0abcf-dbf1-4190-8e82-44dd736be2f3}</Project>
+      <Name>ZXing.Net.Mobile.Forms.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj">
+      <Project>{007476ef-d7ca-4198-bded-3544d0ebd546}</Project>
+      <Name>ZXing.Net.Mobile.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net\Source\lib\zxing.portable.csproj">
+      <Project>{24b441f2-cbe9-4405-9fd0-72ebcbea0ec3}</Project>
+      <Name>zxing.portable</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Core\FormsSample.csproj">
+      <Project>{0daf97ca-02db-4e4f-9163-b8f14eae2d90}</Project>
+      <Name>FormsSample</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props'))" />
+    <Error Condition="!Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets'))" />
+  </Target>
+  <Import Project="..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets" Condition="Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" />
+</Project>

Samples/Forms/GTK/OpenTK.dll.config

@@ -0,0 +1,25 @@
+<configuration>
+  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
+  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
+  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
+  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
+  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
+  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
+  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
+  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
+  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
+  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
+  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
+  <!-- XQuartz compatibility (X11 on Mac) -->
+  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
+  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
+  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
+  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
+  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
+  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
+</configuration>

Samples/Forms/GTK/Program.cs

@@ -0,0 +1,24 @@
+using System;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.GTK;
+using Application = Gtk.Application;
+
+namespace FormsSample.GTK
+{
+    class MainClass
+    {
+        public static void Main(string[] args)
+        {
+            Application.Init();
+            Forms.Init();
+            ZXing.Net.Mobile.Forms.GTK.Platform.Init ();
+
+            var app = new App();
+            var window = new FormsWindow();
+            window.LoadApplication(app);
+            window.SetApplicationTitle("GTK example");
+            window.Show();
+            Application.Run();
+        }
+    }
+}

Samples/Forms/GTK/Properties/AssemblyInfo.cs

@@ -0,0 +1,26 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+// Information about this assembly is defined by the following attributes. 
+// Change them to the values specific to your project.
+
+[assembly: AssemblyTitle("FormsSample.GTK")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("${AuthorCopyright}")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
+// The form "{Major}.{Minor}.*" will automatically update the build and revision,
+// and "{Major}.{Minor}.{Build}.*" will update just the revision.
+
+[assembly: AssemblyVersion("1.0.*")]
+
+// The following attributes are used to specify the signing key for the assembly, 
+// if desired. See the Mono documentation for more information about signing.
+
+//[assembly: AssemblyDelaySign(false)]
+//[assembly: AssemblyKeyFile("")]

Samples/Forms/GTK/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Xamarin.Forms" version="3.0.0.446417" targetFramework="net47" />
+  <package id="Xamarin.Forms.Platform.GTK" version="3.0.0.446417" targetFramework="net47" />
+</packages>

Samples/Forms/GTK/webkit-sharp.dll.config

@@ -0,0 +1,5 @@
+<configuration>
+  <dllmap dll="webkit-1.0" target="libwebkitgtk-1.0.0.dylib"/>
+  <dllmap dll="webkit-1.0" os="linux" target="libwebkitgtk-1.0.so.0"/>
+  <dllmap dll="webkit-1.0" os="windows" target="libwebkitgtk-1.0-0.dll"/>
+</configuration>