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src/dlib/gui_core/gui_core_kernel_1.cpp  view on Meta::CPAN

    ) const
    {
        auto_mutex M(wm);
        width = 0;
        height = 0;
        if (has_been_destroyed == true)
            return;


        RECT r;
        GetClientRect(hwnd,&r);

        width = r.right - r.left;
        height = r.bottom - r.top;
    }

// ----------------------------------------------------------------------------------------

    void base_window::
    invalidate_rectangle (
        const rectangle& rect
    )
    {
        auto_mutex M(wm);
        if (rect.is_empty() == false && !has_been_destroyed)
        {
            RECT info;
            info.top = rect.top();
            info.left = rect.left();
            info.right = rect.right()+1;
            info.bottom = rect.bottom()+1;

            InvalidateRect(hwnd,&info,FALSE);
        }
    }

// ----------------------------------------------------------------------------------------

    void base_window::
    set_im_pos (
        long x,
        long y
    )
    {
        auto_mutex M(wm);
        if (has_been_destroyed == true)
            return;

        HIMC hImc = ImmGetContext(hwnd);

        COMPOSITIONFORM cf;
        cf.dwStyle = CFS_POINT;
        cf.ptCurrentPos.x = x;
        cf.ptCurrentPos.y = y;
        ImmSetCompositionWindow(hImc, &cf);
        ImmReleaseContext(hwnd, hImc);
    }

// ----------------------------------------------------------------------------------------

    void put_on_clipboard (
        const std::string& str
    )
    {
        put_on_clipboard(convert_mbstring_to_wstring(str));
    }

    void put_on_clipboard (
        const dlib::ustring& str
    )
    {
        put_on_clipboard(convert_utf32_to_wstring(str));
    }

    void put_on_clipboard (
        const std::wstring& str
    )
    {
        using namespace gui_core_kernel_1_globals;
        using namespace std;

        shared_ptr_thread_safe<event_handler_thread> globals(global_data());

        if (OpenClipboard(globals->helper_window))
        {
            EmptyClipboard();
            auto_mutex M(globals->window_table.get_mutex());

            const unsigned long newlines = count(str.begin(),str.end(),L'\n');

            HGLOBAL mem = GlobalAlloc(GMEM_MOVEABLE,(str.size()+newlines+1)*sizeof(wchar_t));
            if (mem != NULL)
            {
                wchar_t* buf = reinterpret_cast<wchar_t*>(GlobalLock(mem));

                if (buf != NULL)
                {
                    // copy str into buf while also replacing all the \n with \r\n
                    for (wstring::size_type i = 0; i < str.size(); ++i)
                    {
                        if (str[i] != L'\n')
                        {
                            *buf = str[i];
                            ++buf;
                        }
                        else
                        {
                            *buf = L'\r';
                            ++buf;
                            *buf = L'\n';
                            ++buf;
                        }
                    }
                    *buf = L'\0';
                    GlobalUnlock(mem);
                    SetClipboardData(CF_UNICODETEXT,mem);
                }
            }
            CloseClipboard();
        }
    }

// ----------------------------------------------------------------------------------------

    void get_from_clipboard (
        std::string& str
    )
    {
        std::wstring wstr;
        get_from_clipboard(wstr);
        str = convert_wstring_to_mbstring(wstr);
    }

    void get_from_clipboard (
        dlib::ustring& str
    )
    {
        std::wstring wstr;
        get_from_clipboard(wstr);
        str = convert_wstring_to_utf32(wstr);
    }

    void get_from_clipboard (
        std::wstring& str
    )
    {
        using namespace gui_core_kernel_1_globals;
        using namespace std;
        shared_ptr_thread_safe<event_handler_thread> globals(global_data());

        auto_mutex M(globals->window_table.get_mutex());
        if (OpenClipboard(globals->helper_window))
        {

            HANDLE data = GetClipboardData(CF_UNICODETEXT);
            if (data != NULL)
            {
                wchar_t* buf = reinterpret_cast<wchar_t*>(GlobalLock(data));
                if (buf != 0)
                {
                    str.clear();

                    // copy the data from buf into str while also removing any '\r' 
                    // characters.
                    while (*buf != L'\0')
                    {
                        if (*buf != L'\r')
                            str += *buf;
                        ++buf;
                    }

                    GlobalUnlock(data);
                }
                else
                {
                    Beep(500,500);
                }
            }

            CloseClipboard();
        }
    }

// ----------------------------------------------------------------------------------------

}


#endif // WIN32

#endif // DLIB_GUI_CORE_KERNEL_1_CPp_