Produce a basic Windows installer package

We're very early adopters of msitools' new UI feature,
so this doesn't work on MSYS2 directly yet due to an old version.

fiv.wxs.in

@@ -0,0 +1,69 @@
+<?xml version='1.0' encoding='utf-8'?>
+<Wix xmlns='http://schemas.microsoft.com/wix/2006/wi'>
+	<?define FullName = "@ProjectName@ @ProjectVersion@" ?>
+	<?if $(sys.BUILDARCH) = x64 ?>
+		<?define ProgramFilesFolder = "ProgramFiles64Folder" ?>
+	<?else?>
+		<?define ProgramFilesFolder = "ProgramFilesFolder" ?>
+	<?endif?>
+
+	<Product Id='*'
+		Name='$(var.FullName)'
+		UpgradeCode='a3e64e2d-4310-4c5f-8562-bb0e0b3e0a53'
+		Language='1033'
+		Codepage='1252'
+		Version='@ProjectVersion@'
+		Manufacturer='Premysl Eric Janouch'>
+
+		<Package Id='*'
+			Keywords='Installer,Image,Viewer'
+			Description='$(var.FullName) Installer'
+			Manufacturer='Premysl Eric Janouch'
+			InstallerVersion='200'
+			Compressed='yes'
+			Languages='1033'
+			SummaryCodepage='1252' />
+
+		<Media Id='1' Cabinet='data.cab' EmbedCab='yes' />
+		<Icon Id='fiv.ico' SourceFile='fiv.ico' />
+		<Property Id='ARPPRODUCTICON' Value='fiv.ico' />
+		<Property Id='ARPURLINFOABOUT' Value='https://git.janouch.name/p/fiv' />
+
+		<UIRef Id='WixUI_Minimal' />
+		<!-- This isn't supported by msitools, but is necessary for WiX.
+		<WixVariable Id='WixUILicenseRtf' Value='License.rtf' />
+		-->
+
+		<Directory Id='TARGETDIR' Name='SourceDir'>
+			<Directory Id='$(var.ProgramFilesFolder)' Name='Files'>
+				<Directory Id='INSTALLDIR' Name='$(var.FullName)' />
+			</Directory>
+
+			<Directory Id='ProgramMenuFolder' Name='Programs'>
+				<Directory Id='ProgramMenuDir' Name='$(var.FullName)'>
+					<Component Id='ProgramMenuDir' Guid='*'>
+						<Shortcut Id='ProgramsMenuShortcut'
+							Name='@ProjectName@'
+							Target='[INSTALLDIR]\fiv.exe'
+							WorkingDirectory='INSTALLDIR'
+							Arguments='"%USERPROFILE%"'
+							Icon='fiv.ico' />
+						<RemoveFolder Id='ProgramMenuDir' On='uninstall' />
+						<RegistryValue Root='HKCU'
+							Key='Software\[Manufacturer]\[ProductName]'
+							Type='string'
+							Value=''
+							KeyPath='yes' />
+					</Component>
+				</Directory>
+			</Directory>
+
+			<Directory Id='DesktopFolder' Name='Desktop' />
+		</Directory>
+
+		<Feature Id='Complete' Level='1'>
+			<ComponentGroupRef Id='CG.fiv' />
+			<ComponentRef Id='ProgramMenuDir' />
+		</Feature>
+	</Product>
+</Wix>