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WINGs: make UTF-8 functions global

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This patch is moving the existing UTF-8 functions from wtextfield.c
to WINGsP.h.in to be available to all modules.
This commit is contained in:
David Maciejak
2026-04-04 14:27:12 -04:00
committed by Carlos R. Mafra
parent 4babc0e422
commit 6dbc6c95ab
2 changed files with 31 additions and 29 deletions
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31
WINGs/WINGs/WINGsP.h.in
View File

@@ -686,6 +686,37 @@ void W_BroadcastMessage(W_View *targetParent, XEvent *event);
void W_DispatchMessage(W_View *target, XEvent *event);
/* ---[ UTF-8 helpers ]--------------------------------------------------- */
static inline int oneUTF8CharBackward(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[--pos] >= 0x80 && ustr[pos] <= 0xbf) ;
return pos;
}
static inline int oneUTF8CharForward(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[++pos] >= 0x80 && ustr[pos] <= 0xbf) ;
return pos;
}
// find the beginning of the UTF8 char pointed by str
static inline int seekUTF8CharStart(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[pos] >= 0x80 && ustr[pos] <= 0xbf)
--pos;
return pos;
}
#ifdef __cplusplus
}

29
WINGs/wtextfield.c
View File

@@ -122,35 +122,6 @@ static WMSelectionProcs selectionHandler = {
#define TEXT_WIDTH2(tPtr, start, end) (WMWidthOfString((tPtr)->font, \
&((tPtr)->text[(start)]), (end) - (start)))
static inline int oneUTF8CharBackward(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[--pos] >= 0x80 && ustr[pos] <= 0xbf) ;
return pos;
}
static inline int oneUTF8CharForward(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[++pos] >= 0x80 && ustr[pos] <= 0xbf) ;
return pos;
}
// find the beginning of the UTF8 char pointed by str
static inline int seekUTF8CharStart(const char *str, int len)
{
const unsigned char *ustr = (const unsigned char *)str;
int pos = 0;
while (len-- > 0 && ustr[pos] >= 0x80 && ustr[pos] <= 0xbf)
--pos;
return pos;
}
static void normalizeRange(TextField * tPtr, WMRange * range)
{
if (range->position < 0 && range->count < 0)