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With the help of Andrew Bachmann, I finally fixed the multi-byte charachter deleting / Undoing.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5421 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2003-11-20 14:00:36 +00:00
parent 1967709a04
commit 2e7ea41af1
1 changed files with 5 additions and 13 deletions
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src/kits/interface/BTextView/UndoBuffer.cpp
+5 -13
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@@ -34,6 +34,7 @@
#include <Clipboard.h> #include <Clipboard.h>
// Local Includes -------------------------------------------------------------- // Local Includes --------------------------------------------------------------
#include "MoreUTF8.h"
#include "UndoBuffer.h" #include "UndoBuffer.h"
@@ -337,23 +338,14 @@ _BTypingUndoBuffer_::Reset()
} }
// TODO: This isn't completely safe and it's even slower than parsing byte
// by byte, but I'll change it later.
static inline int32
UTF8_char_len(uchar c)
{
return ((0xE5000000 >> ((c >> 3) & 0x1E)) & 3) + 1;
}
void void
_BTypingUndoBuffer_::BackwardErase() _BTypingUndoBuffer_::BackwardErase()
{ {
int32 start, end; int32 start, end;
fTextView->GetSelection(&start, &end); fTextView->GetSelection(&start, &end);
int32 charLen = UTF8_char_len(fTextView->ByteAt(start - 1)); const char *text = fTextView->Text();
int32 charLen = UTF8CharLenBACK(text + start, text);
printf("Char Len: %d\n", charLen); printf("Char Len: %d\n", charLen);
if (start != fTypedEnd || end != fTypedEnd) { if (start != fTypedEnd || end != fTypedEnd) {
@@ -384,8 +376,8 @@ _BTypingUndoBuffer_::ForwardErase()
int32 start, end; int32 start, end;
fTextView->GetSelection(&start, &end); fTextView->GetSelection(&start, &end);
int32 charLen = UTF8_char_len(fTextView->ByteAt(start)); int32 charLen = UTF8CharLenFWD(fTextView->Text() + start);
printf("Char Len: %d\n", charLen); printf("Char Len: %d\n", charLen);
if (start != fTypedEnd || end != fTypedEnd || fUndone > 0) { if (start != fTypedEnd || end != fTypedEnd || fUndone > 0) {