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Fix console input not scrolling when you hit the side of the screen

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- Also changed the console input buffer into a struct instead of a
  frankenstein buffer.
This commit is contained in:
Marisa Heit 2016-11-11 22:31:49 -06:00
commit 3926ca13b0
4 changed files with 340 additions and 289 deletions
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97
src/zstring.cpp
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@ -343,28 +343,74 @@ FString &FString::operator += (char tail)
FString &FString::AppendCStrPart (const char *tail, size_t tailLen)
{
size_t len1 = Len();
ReallocBuffer (len1 + tailLen);
StrCopy (Chars + len1, tail, tailLen);
if (tailLen > 0)
{
size_t len1 = Len();
ReallocBuffer(len1 + tailLen);
StrCopy(Chars + len1, tail, tailLen);
}
return *this;
}
FString &FString::CopyCStrPart(const char *tail, size_t tailLen)
{
ReallocBuffer(tailLen);
StrCopy(Chars, tail, tailLen);
if (tailLen > 0)
{
ReallocBuffer(tailLen);
StrCopy(Chars, tail, tailLen);
}
else
{
Data()->Release();
NullString.RefCount++;
Chars = &NullString.Nothing[0];
}
return *this;
}
void FString::Truncate(long newlen)
{
if (newlen >= 0 && newlen < (long)Len())
if (newlen <= 0)
{
Data()->Release();
NullString.RefCount++;
Chars = &NullString.Nothing[0];
}
else if (newlen < (long)Len())
{
ReallocBuffer (newlen);
Chars[newlen] = '\0';
}
}
void FString::Remove(size_t index, size_t remlen)
{
if (index < Len())
{
if (index + remlen >= Len())
{
Truncate((long)index);
}
else
{
remlen = Len() - remlen < remlen ? Len() - remlen : remlen;
if (Data()->RefCount == 1)
{ // Can do this in place
memmove(Chars + index, Chars + index + remlen, Len() - index - remlen);
Data()->Len -= remlen;
}
else
{ // Must do it in a copy
FStringData *old = Data();
AllocBuffer(old->Len - remlen);
StrCopy(Chars, old->Chars(), index);
StrCopy(Chars + index, old->Chars() + index + remlen, old->Len - index - remlen);
old->Release();
}
}
}
}
FString FString::Left (size_t numChars) const
{
size_t len = Len();
@ -768,25 +814,28 @@ void FString::Insert (size_t index, const char *instr)
void FString::Insert (size_t index, const char *instr, size_t instrlen)
{
size_t mylen = Len();
if (index > mylen)
if (instrlen > 0)
{
index = mylen;
}
if (Data()->RefCount <= 1)
{
ReallocBuffer (mylen + instrlen);
memmove (Chars + index + instrlen, Chars + index, (mylen - index + 1)*sizeof(char));
memcpy (Chars + index, instr, instrlen*sizeof(char));
}
else
{
FStringData *old = Data();
AllocBuffer (mylen + instrlen);
StrCopy (Chars, old->Chars(), index);
StrCopy (Chars + index, instr, instrlen);
StrCopy (Chars + index + instrlen, old->Chars() + index, mylen - index);
old->Release();
size_t mylen = Len();
if (index >= mylen)
{
AppendCStrPart(instr, instrlen);
}
else if (Data()->RefCount <= 1)
{
ReallocBuffer(mylen + instrlen);
memmove(Chars + index + instrlen, Chars + index, (mylen - index + 1) * sizeof(char));
memcpy(Chars + index, instr, instrlen * sizeof(char));
}
else
{
FStringData *old = Data();
AllocBuffer(mylen + instrlen);
StrCopy(Chars, old->Chars(), index);
StrCopy(Chars + index, instr, instrlen);
StrCopy(Chars + index + instrlen, old->Chars() + index, mylen - index);
old->Release();
}
}
}