diff options
| -rw-r--r-- | win32/ScintillaWin.cxx | 180 |
1 files changed, 141 insertions, 39 deletions
diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx index 2c0a7e7ef..c3b66176f 100644 --- a/win32/ScintillaWin.cxx +++ b/win32/ScintillaWin.cxx @@ -1113,42 +1113,79 @@ bool ScintillaWin::CanPaste() { return false; } +static UINT CodePageFromCharSet(DWORD characterSet, UINT documentCodePage) { + CHARSETINFO ci = { 0, 0, { { 0, 0, 0, 0 }, { 0, 0 } } }; + BOOL bci = ::TranslateCharsetInfo((DWORD*)characterSet, + &ci, TCI_SRCCHARSET); + + UINT cp; + if (bci) + cp = ci.ciACP; + else + cp = documentCodePage; + + CPINFO cpi; + if (!IsValidCodePage(cp) && !GetCPInfo(cp, &cpi)) + cp = CP_ACP; + + return cp; +} + void ScintillaWin::Paste() { - if (!::OpenClipboard(MainHWND())) + if (!::OpenClipboard(MainHWND())) return; pdoc->BeginUndoAction(); int selStart = SelectionStart(); ClearSelection(); bool isRectangular = ::IsClipboardFormatAvailable(cfColumnSelect) != 0; - HGLOBAL hmemUSelection = 0; - if (IsUnicodeMode()) { - hmemUSelection = ::GetClipboardData(CF_UNICODETEXT); - if (hmemUSelection) { - wchar_t *uptr = static_cast<wchar_t *>(::GlobalLock(hmemUSelection)); - if (uptr) { + + // Always use CF_UNICODETEXT if available + HGLOBAL hmemUSelection = ::GetClipboardData(CF_UNICODETEXT); + if (hmemUSelection) { + wchar_t *uptr = static_cast<wchar_t *>(::GlobalLock(hmemUSelection)); + if (uptr) { + unsigned int len; + char *putf; + // Default Scintilla behaviour in Unicode mode + if (IsUnicodeMode()) { unsigned int bytes = ::GlobalSize(hmemUSelection); - unsigned int len = UTF8Length(uptr, bytes/2); - char *putf = new char[len+1]; + len = UTF8Length(uptr, bytes / 2); + putf = new char[len + 1]; if (putf) { - UTF8FromUCS2(uptr, bytes/2, putf, len); - if (isRectangular) { - PasteRectangular(selStart, putf, len); - } else { - if (pdoc->InsertString(currentPos, putf, len)) { - SetEmptySelection(currentPos + len); - } + UTF8FromUCS2(uptr, bytes / 2, putf, len); + } + } else { + // CF_UNICODETEXT available, but not in Unicode mode + // Convert from Unicode to current Scintilla code page + UINT cpDest = CodePageFromCharSet( + vs.styles[STYLE_DEFAULT].characterSet, pdoc->dbcsCodePage); + len = ::WideCharToMultiByte(cpDest, 0, uptr, -1, + NULL, 0, NULL, NULL) - 1; // subtract 0 terminator + putf = new char[len + 1]; + if (putf) { + ::WideCharToMultiByte(cpDest, 0, uptr, -1, + putf, len + 1, NULL, NULL); + } + } + + if (putf) { + if (isRectangular) { + PasteRectangular(selStart, putf, len); + } else { + if (pdoc->InsertString(currentPos, putf, len)) { + SetEmptySelection(currentPos + len); } - delete []putf; } + delete []putf; } - ::GlobalUnlock(hmemUSelection); } - } - if (!hmemUSelection) { + ::GlobalUnlock(hmemUSelection); + } else { + // CF_UNICODETEXT not available, paste ANSI text HGLOBAL hmemSelection = ::GetClipboardData(CF_TEXT); if (hmemSelection) { char *ptr = static_cast<char *>( - ::GlobalLock(hmemSelection)); + ::GlobalLock(hmemSelection)); if (ptr) { unsigned int bytes = ::GlobalSize(hmemSelection); unsigned int len = bytes; @@ -1156,11 +1193,38 @@ void ScintillaWin::Paste() { if ((len == bytes) && (0 == ptr[i])) len = i; } - if (isRectangular) { - PasteRectangular(selStart, ptr, len); + + // In Unicode mode, convert clipboard text to UTF-8 + if (IsUnicodeMode()) { + wchar_t *uptr = static_cast<wchar_t *>(::GlobalAlloc(GPTR, + len * 2 + 2)); + + unsigned int ulen = ::MultiByteToWideChar(CP_ACP, 0, + ptr, len, uptr, GlobalSize(static_cast<wchar_t *>(uptr))); + + unsigned int mlen = UTF8Length(uptr, ulen); + char *putf = new char[mlen + 1]; + if (putf) { + // CP_UTF8 not available on Windows 95, so use UTF8FromUCS2() + UTF8FromUCS2(uptr, ulen, putf, mlen); + } + + ::GlobalFree(static_cast<wchar_t *>(uptr)); + + if (isRectangular) { + PasteRectangular(selStart, putf, mlen); + } else { + pdoc->InsertString(currentPos, putf, mlen); + SetEmptySelection(currentPos + mlen); + } + delete []putf; } else { - pdoc->InsertString(currentPos, ptr, len); - SetEmptySelection(currentPos + len); + if (isRectangular) { + PasteRectangular(selStart, ptr, len); + } else { + pdoc->InsertString(currentPos, ptr, len); + SetEmptySelection(currentPos + len); + } } } ::GlobalUnlock(hmemSelection); @@ -1594,27 +1658,65 @@ void ScintillaWin::GetIntelliMouseParameters() { void ScintillaWin::CopyToClipboard(const SelectionText &selectedText) { if (!::OpenClipboard(MainHWND())) - return; + return ; ::EmptyClipboard(); - HGLOBAL hand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, - selectedText.len); - if (hand) { - char *ptr = static_cast<char *>(::GlobalLock(hand)); - memcpy(ptr, selectedText.s, selectedText.len); - ::GlobalUnlock(hand); - ::SetClipboardData(CF_TEXT, hand); - } + HGLOBAL uhand; + wchar_t *uptr = 0; + // Default Scintilla behaviour in Unicode mode if (IsUnicodeMode()) { int uchars = UCS2Length(selectedText.s, selectedText.len); - HGLOBAL uhand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, - 2 * (uchars)); + uhand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, + 2 * (uchars)); if (uhand) { - wchar_t *uptr = static_cast<wchar_t *>(::GlobalLock(uhand)); + uptr = static_cast<wchar_t *>(::GlobalLock(uhand)); UCS2FromUTF8(selectedText.s, selectedText.len, uptr, uchars); - ::GlobalUnlock(uhand); - ::SetClipboardData(CF_UNICODETEXT, uhand); + } + } else { + // Not Unicode mode + // Convert to Unicode using the current Scintilla code page + UINT cpSrc = CodePageFromCharSet( + selectedText.characterSet, selectedText.codePage); + uhand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, + 2 * (selectedText.len + 1)); + if (uhand) { + uptr = static_cast<wchar_t *>(::GlobalLock(uhand)); + ::MultiByteToWideChar(cpSrc, 0, + selectedText.s, selectedText.len, uptr, GlobalSize(uhand)); + } + } + + // Copy ANSI text to clipboard on Windows 9x + // Convert from Unicode text, so other ANSI programs can + // paste the text + // Windows NT, 2k, XP automatically generates CF_TEXT + if (!IsNT() && uhand) { + HGLOBAL hand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, + selectedText.len); + if (hand) { + char *ptr = static_cast<char *>(::GlobalLock(hand)); + ::WideCharToMultiByte(CP_ACP, 0, uptr, -1, ptr, GlobalSize(hand), + NULL, NULL); + ::GlobalUnlock(hand); + ::SetClipboardData(CF_TEXT, hand); + } + } + + if (uhand) { + ::GlobalUnlock(uhand); + ::SetClipboardData(CF_UNICODETEXT, uhand); + } + + // There was a failure - try to copy at least ANSI text + if (!uhand) { + HGLOBAL hand = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, + selectedText.len); + if (hand) { + char *ptr = static_cast<char *>(::GlobalLock(hand)); + memcpy(ptr, selectedText.s, selectedText.len); + ::GlobalUnlock(hand); + ::SetClipboardData(CF_TEXT, hand); } } |