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(svn r21406) -Codechange: rename some textbuf related names to make them a bit more descriptive

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This commit is contained in:
rubidium
2010-12-05 22:21:37 +00:00
parent 95934b9f49
commit 28da832781
6 changed files with 68 additions and 65 deletions
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102
src/misc_gui.cpp
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@@ -928,15 +928,15 @@ static void DelChar(Textbuf *tb, bool backspace)
uint16 len = (uint16)Utf8Decode(&c, s);
uint width = GetCharacterWidth(FS_NORMAL, c);
tb->width -= width;
tb->pixels -= width;
if (backspace) {
tb->caretpos -= len;
tb->caretxoffs -= width;
}
/* Move the remaining characters over the marker */
memmove(s, s + len, tb->size - (s - tb->buf) - len);
tb->size -= len;
memmove(s, s + len, tb->bytes - (s - tb->buf) - len);
tb->bytes -= len;
}
/**
@@ -951,7 +951,7 @@ bool DeleteTextBufferChar(Textbuf *tb, int delmode)
if (delmode == WKC_BACKSPACE && tb->caretpos != 0) {
DelChar(tb, true);
return true;
} else if (delmode == WKC_DELETE && tb->caretpos < tb->size - 1) {
} else if (delmode == WKC_DELETE && tb->caretpos < tb->bytes - 1) {
DelChar(tb, false);
return true;
}
@@ -965,9 +965,9 @@ bool DeleteTextBufferChar(Textbuf *tb, int delmode)
*/
void DeleteTextBufferAll(Textbuf *tb)
{
memset(tb->buf, 0, tb->maxsize);
tb->size = 1;
tb->width = tb->caretpos = tb->caretxoffs = 0;
memset(tb->buf, 0, tb->max_bytes);
tb->bytes = 1;
tb->pixels = tb->caretpos = tb->caretxoffs = 0;
}
/**
@@ -982,11 +982,11 @@ bool InsertTextBufferChar(Textbuf *tb, WChar key)
{
const byte charwidth = GetCharacterWidth(FS_NORMAL, key);
uint16 len = (uint16)Utf8CharLen(key);
if (tb->size + len <= tb->maxsize && (tb->maxwidth == 0 || tb->width + charwidth <= tb->maxwidth)) {
memmove(tb->buf + tb->caretpos + len, tb->buf + tb->caretpos, tb->size - tb->caretpos);
if (tb->bytes + len <= tb->max_bytes && (tb->max_pixels == 0 || tb->pixels + charwidth <= tb->max_pixels)) {
memmove(tb->buf + tb->caretpos + len, tb->buf + tb->caretpos, tb->bytes - tb->caretpos);
Utf8Encode(tb->buf + tb->caretpos, key);
tb->size += len;
tb->width += charwidth;
tb->bytes += len;
tb->pixels += charwidth;
tb->caretpos += len;
tb->caretxoffs += charwidth;
@@ -1008,32 +1008,32 @@ bool InsertTextBufferClipboard(Textbuf *tb)
if (!GetClipboardContents(utf8_buf, lengthof(utf8_buf))) return false;
uint16 width = 0, length = 0;
uint16 pixels = 0, bytes = 0;
WChar c;
for (const char *ptr = utf8_buf; (c = Utf8Consume(&ptr)) != '\0';) {
if (!IsPrintable(c)) break;
byte len = Utf8CharLen(c);
if (tb->size + length + len > tb->maxsize) break;
if (tb->bytes + bytes + len > tb->max_bytes) break;
byte charwidth = GetCharacterWidth(FS_NORMAL, c);
if (tb->maxwidth != 0 && width + tb->width + charwidth > tb->maxwidth) break;
byte char_pixels = GetCharacterWidth(FS_NORMAL, c);
if (tb->max_pixels != 0 && pixels + tb->pixels + char_pixels > tb->max_pixels) break;
width += charwidth;
length += len;
pixels += char_pixels;
bytes += len;
}
if (length == 0) return false;
if (bytes == 0) return false;
memmove(tb->buf + tb->caretpos + length, tb->buf + tb->caretpos, tb->size - tb->caretpos);
memcpy(tb->buf + tb->caretpos, utf8_buf, length);
tb->width += width;
tb->caretxoffs += width;
memmove(tb->buf + tb->caretpos + bytes, tb->buf + tb->caretpos, tb->bytes - tb->caretpos);
memcpy(tb->buf + tb->caretpos, utf8_buf, bytes);
tb->pixels += pixels;
tb->caretxoffs += pixels;
tb->size += length;
tb->caretpos += length;
assert(tb->size <= tb->maxsize);
tb->buf[tb->size - 1] = '\0'; // terminating zero
tb->bytes += bytes;
tb->caretpos += bytes;
assert(tb->bytes <= tb->max_bytes);
tb->buf[tb->bytes - 1] = '\0'; // terminating zero
return true;
}
@@ -1061,7 +1061,7 @@ bool MoveTextBufferPos(Textbuf *tb, int navmode)
break;
case WKC_RIGHT:
if (tb->caretpos < tb->size - 1) {
if (tb->caretpos < tb->bytes - 1) {
WChar c;
tb->caretpos += (uint16)Utf8Decode(&c, tb->buf + tb->caretpos);
@@ -1077,8 +1077,8 @@ bool MoveTextBufferPos(Textbuf *tb, int navmode)
return true;
case WKC_END:
tb->caretpos = tb->size - 1;
tb->caretxoffs = tb->width;
tb->caretpos = tb->bytes - 1;
tb->caretxoffs = tb->pixels;
return true;
default:
@@ -1093,19 +1093,19 @@ bool MoveTextBufferPos(Textbuf *tb, int navmode)
* and the maximum length of this buffer
* @param tb Textbuf type which is getting initialized
* @param buf the buffer that will be holding the data for input
* @param maxsize maximum size in bytes, including terminating '\0'
* @param maxwidth maximum length in pixels of this buffer. If reached, buffer
* @param max_bytes maximum size in bytes, including terminating '\0'
* @param max_pixels maximum length in pixels of this buffer. If reached, buffer
* cannot grow, even if maxsize would allow because there is space. Width
* of zero '0' means the buffer is only restricted by maxsize
*/
void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 maxsize, uint16 maxwidth)
void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 max_bytes, uint16 max_pixels)
{
assert(maxsize != 0);
assert(max_bytes != 0);
tb->buf = buf;
tb->maxsize = maxsize;
tb->maxwidth = maxwidth;
tb->caret = true;
tb->buf = buf;
tb->max_bytes = max_bytes;
tb->max_pixels = max_pixels;
tb->caret = true;
UpdateTextBufferSize(tb);
}
@@ -1119,19 +1119,19 @@ void UpdateTextBufferSize(Textbuf *tb)
{
const char *buf = tb->buf;
tb->width = 0;
tb->size = 1; // terminating zero
tb->pixels = 0;
tb->bytes = 1; // terminating zero
WChar c;
while ((c = Utf8Consume(&buf)) != '\0') {
tb->width += GetCharacterWidth(FS_NORMAL, c);
tb->size += Utf8CharLen(c);
tb->pixels += GetCharacterWidth(FS_NORMAL, c);
tb->bytes += Utf8CharLen(c);
}
assert(tb->size <= tb->maxsize);
assert(tb->bytes <= tb->max_bytes);
tb->caretpos = tb->size - 1;
tb->caretxoffs = tb->width;
tb->caretpos = tb->bytes - 1;
tb->caretxoffs = tb->pixels;
}
bool HandleCaret(Textbuf *tb)
@@ -1233,11 +1233,11 @@ void QueryString::DrawEditBox(Window *w, int wid)
/* We will take the current widget length as maximum width, with a small
* space reserved at the end for the caret to show */
const Textbuf *tb = &this->text;
int delta = min(0, (right - left) - tb->width - 10);
int delta = min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
DrawString(delta, tb->width, 0, tb->buf, TC_YELLOW);
DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW);
if (HasEditBoxFocus(w, wid) && tb->caret) {
int caret_width = GetStringBoundingBox("_").width;
DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE);
@@ -1280,18 +1280,18 @@ struct QueryStringWindow : public QueryStringBaseWindow
{
QueryStringFlags flags; ///< Flags controlling behaviour of the window.
QueryStringWindow(StringID str, StringID caption, uint maxsize, uint maxwidth, const WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
QueryStringBaseWindow(maxsize)
QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_pixels, const WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
QueryStringBaseWindow(max_bytes)
{
GetString(this->edit_str_buf, str, &this->edit_str_buf[maxsize - 1]);
str_validate(this->edit_str_buf, &this->edit_str_buf[maxsize - 1], false, true);
GetString(this->edit_str_buf, str, &this->edit_str_buf[max_bytes - 1]);
str_validate(this->edit_str_buf, &this->edit_str_buf[max_bytes - 1], false, true);
if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->orig = strdup(this->edit_str_buf);
this->caption = caption;
this->afilter = afilter;
this->flags = flags;
InitializeTextBuffer(&this->text, this->edit_str_buf, maxsize, maxwidth);
InitializeTextBuffer(&this->text, this->edit_str_buf, max_bytes, max_pixels);
this->InitNested(desc);