diff options
Diffstat (limited to 'win32/ScintillaWin.cxx')
| -rw-r--r-- | win32/ScintillaWin.cxx | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx index 666dc75e3..176faed1b 100644 --- a/win32/ScintillaWin.cxx +++ b/win32/ScintillaWin.cxx @@ -244,6 +244,8 @@ class ScintillaWin : virtual bool DragThreshold(Point ptStart, Point ptNow); virtual void StartDrag(); + int TargetAsUTF8(char *text); + int EncodedFromUTF8(char *utf8, char *encoded) const; sptr_t WndPaint(uptr_t wParam); sptr_t HandleCompositionWindowed(uptr_t wParam, sptr_t lParam); @@ -652,6 +654,56 @@ static bool BoundsContains(PRectangle rcBounds, HRGN hRgnBounds, PRectangle rcCh return contains; } +// Returns the target converted to UTF8. +// Return the length in bytes. +int ScintillaWin::TargetAsUTF8(char *text) { + int targetLength = targetEnd - targetStart; + if (IsUnicodeMode()) { + if (text) { + pdoc->GetCharRange(text, targetStart, targetLength); + } + } else { + // Need to convert + std::string s = RangeText(targetStart, targetEnd); + int charsLen = ::MultiByteToWideChar(CodePageOfDocument(), 0, &s[0], targetLength, NULL, 0); + std::wstring characters(charsLen, '\0'); + ::MultiByteToWideChar(CodePageOfDocument(), 0, &s[0], targetLength, &characters[0], charsLen); + + int utf8Len = ::WideCharToMultiByte(CP_UTF8, 0, &characters[0], charsLen, NULL, 0, 0, 0); + if (text) { + ::WideCharToMultiByte(CP_UTF8, 0, &characters[0], charsLen, text, utf8Len, 0, 0); + text[utf8Len] = '\0'; + } + return utf8Len; + } + return targetLength; +} + +// Translates a nul terminated UTF8 string into the document encoding. +// Return the length of the result in bytes. +int ScintillaWin::EncodedFromUTF8(char *utf8, char *encoded) const { + int inputLength = (lengthForEncode >= 0) ? lengthForEncode : static_cast<int>(strlen(utf8)); + if (IsUnicodeMode()) { + if (encoded) { + memcpy(encoded, utf8, inputLength); + } + return inputLength; + } else { + // Need to convert + int charsLen = ::MultiByteToWideChar(CP_UTF8, 0, utf8, inputLength, NULL, 0); + std::wstring characters(charsLen, '\0'); + ::MultiByteToWideChar(CP_UTF8, 0, utf8, inputLength, &characters[0], charsLen); + + int encodedLen = ::WideCharToMultiByte(CodePageOfDocument(), + 0, &characters[0], charsLen, NULL, 0, 0, 0); + if (encoded) { + ::WideCharToMultiByte(CodePageOfDocument(), 0, &characters[0], charsLen, encoded, encodedLen, 0, 0); + encoded[encodedLen] = '\0'; + } + return encodedLen; + } +} + LRESULT ScintillaWin::WndPaint(uptr_t wParam) { //ElapsedTime et; @@ -1634,6 +1686,13 @@ sptr_t ScintillaWin::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam break; #endif + case SCI_TARGETASUTF8: + return TargetAsUTF8(reinterpret_cast<char*>(lParam)); + + case SCI_ENCODEDFROMUTF8: + return EncodedFromUTF8(reinterpret_cast<char*>(wParam), + reinterpret_cast<char*>(lParam)); + default: return ScintillaBase::WndProc(iMessage, wParam, lParam); } |