56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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// 9 april 2015
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#include "uipriv_windows.h"
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// see http://stackoverflow.com/a/29556509/3408572
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#define MBTWC(str, wstr, bufsiz) MultiByteToWideChar(CP_UTF8, 0, str, -1, wstr, bufsiz)
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WCHAR *toUTF16(const char *str)
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{
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WCHAR *wstr;
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int n;
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n = MBTWC(str, NULL, 0);
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if (n == 0)
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logLastError("error figuring out number of characters to convert to in toUTF16()");
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wstr = (WCHAR *) uiAlloc(n * sizeof (WCHAR), "WCHAR[]");
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if (MBTWC(str, wstr, n) != n)
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logLastError("error converting from UTF-8 to UTF-16 in toUTF16()");
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return wstr;
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}
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#define WCTMB(wstr, str, bufsiz) WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, bufsiz, NULL, NULL)
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char *toUTF8(const WCHAR *wstr)
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{
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char *str;
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int n;
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n = WCTMB(wstr, NULL, 0);
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if (n == 0)
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logLastError("error figuring out number of characters to convert to in toUTF8()");
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str = (char *) uiAlloc(n * sizeof (char), "char[]");
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if (WCTMB(wstr, str, n) != n)
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logLastError("error converting from UTF-16 to UTF-8 in toUTFF8()");
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return str;
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}
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WCHAR *windowText(HWND hwnd)
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{
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LRESULT n;
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WCHAR *text;
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n = SendMessageW(hwnd, WM_GETTEXTLENGTH, 0, 0);
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// WM_GETTEXTLENGTH does not include the null terminator
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text = (WCHAR *) uiAlloc((n + 1) * sizeof (WCHAR), "WCHAR[]");
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// note the comparison: the size includes the null terminator, but the return does not
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if (GetWindowTextW(hwnd, text, n + 1) != n)
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logLastError("error getting window text in windowText()");
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return text;
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}
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void uiFreeText(char *text)
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{
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uiFree(text);
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}
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