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-rw-r--r--win32/ScintillaWin.cxx180
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);
}
}
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