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51 lines
1 KiB
C++
51 lines
1 KiB
C++
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#ifndef __MOUSEOVER_HH_INCLUDED__
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#define __MOUSEOVER_HH_INCLUDED__
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#include <QObject>
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#ifdef Q_OS_WIN32
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#include <windows.h>
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#endif
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/// This is a mouseover feature interface, where you can point your mouse at
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/// any word in any window and wait a little, and it would provide that word
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/// for the translation.
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/// This interface always exists, even on platforms that don't support that
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/// feature -- it just remains dormant on them.
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///
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/// The Windows platform is the only one supported; it works with the help of
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/// two external .dll files,
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class MouseOver: public QObject
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{
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Q_OBJECT
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public:
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/// The class is a singleton.
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static MouseOver & instance();
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signals:
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/// Emitted when there was some text under cursor which was hovered over.
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void hovered( QString const & );
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private:
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MouseOver();
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~MouseOver();
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#ifdef Q_OS_WIN32
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static LRESULT CALLBACK eventHandler( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam );
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typedef void ( *ActivateSpyFn )( bool );
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ActivateSpyFn activateSpyFn;
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HINSTANCE spyDll;
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#endif
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};
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#endif
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