Module: Clipboard::Windows
Defined Under Namespace
Modules: Kernel32, User32
Constant Summary
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- CF_TEXT =
1
- CF_UNICODETEXT =
13
- GMEM_MOVEABLE =
2
Instance Method Summary
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Instance Method Details
#clear ⇒ Object
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# File 'lib/clipboard/windows.rb', line 62
def clear(**)
User32.empty if User32.open(nil)
true
ensure
User32.close
end
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#copy(data_to_copy) ⇒ Object
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# File 'lib/clipboard/windows.rb', line 70
def copy(data_to_copy, **)
if User32.open(nil)
User32.empty
data = data_to_copy.encode(Encoding::UTF_16LE) data << 0
handler = Kernel32.alloc( GMEM_MOVEABLE, data.bytesize )
pointer_to_data = Kernel32.lock( handler )
begin
pointer_to_data.write_string( data )
ensure
Kernel32.unlock( handler )
end
User32.set( CF_UNICODETEXT, handler )
else Utils.popen "clip", data_to_copy end
true
ensure
User32.close
end
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#paste(_ = nil) ⇒ Object
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# File 'lib/clipboard/windows.rb', line 46
def paste(_ = nil, **)
return String.new unless User32.open(nil)
hclip = User32.get( CF_UNICODETEXT )
return String.new if hclip.null?
pointer_to_data = Kernel32.lock( hclip )
size = Kernel32.size( hclip )
data = pointer_to_data.read_string( size - 2 )
data.force_encoding(Encoding::UTF_16LE)
ensure
Kernel32.unlock(hclip) if hclip && !hclip.null?
User32.close
end
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