#include"define.h"
#include<windows.h> 
bool tryopenclipboard(HWND hwnd=0) {
    bool success = false;
    for (int i = 0; i < 50; i++) { 
        if (OpenClipboard(hwnd)) {
            success = true;
            break;
        }
        else {
            Sleep(10);
        }
    }
    return success;
}
wchar_t* clipboard_get() {
    wchar_t* data = 0;
	if (tryopenclipboard()==false)return 0;
    do {
        HANDLE hData = GetClipboardData(CF_UNICODETEXT); 
        if (hData == 0)break;
        LPWSTR pszText = static_cast<LPWSTR>(GlobalLock(hData));  
        if (pszText ==0)break;
        int sz =GlobalSize(hData);
        data = new wchar_t[sz + 1];
        wcscpy_s(data, sz, pszText);
        data[sz] = 0;
        GlobalUnlock(hData);
    } while (false);
    CloseClipboard();
    return data;
}
bool clipboard_set(HWND hwnd,wchar_t* text) {
    bool success = false;
    //static HWND hwnd=CreateWindowExA(0,"STATIC",0,0,0,0,0,0,0,0,0,0);
    if (tryopenclipboard(hwnd) == false)return false;
    EmptyClipboard();
    do {
        HGLOBAL hClipboardData;
        size_t len = wcslen(text) + 1;
        hClipboardData = GlobalAlloc(GMEM_MOVEABLE, len * sizeof(wchar_t));
        if (hClipboardData == 0)break;
        auto pchData = (wchar_t*)GlobalLock(hClipboardData);
        if (pchData == 0)break;
        wcscpy_s(pchData, len, text); 
        GlobalUnlock(hClipboardData); 
        SetClipboardData(CF_UNICODETEXT, hClipboardData);
        success = true;
        
    } while (false);
    CloseClipboard();
    return success;
    
   

}