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mirror of https://github.com/gryf/wmaker.git synced 2025-12-21 05:18:06 +01:00

wide char support

This commit is contained in:
dan
2003-08-14 01:39:27 +00:00
parent 18d07e04a6
commit 08225948bc
5 changed files with 598 additions and 10 deletions

View File

@@ -201,12 +201,6 @@ typedef struct W_Screen {
WMHashTable *fontCache;
WMHashTable *xftFontCache;
WMHashTable *fontSetCache;
WMHashTable *xftFontSetCache;
Bool useMultiByte;
Bool antialiasedText;

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@@ -605,7 +605,7 @@ W_HandleInputEvents(Bool waitForInput, int inputfd)
return (count > 0);
#else /* not HAVE_SELECT, not HAVE_POLL */
Neither select nor poll. You lose.
# error Neither select nor poll. You lose.
#endif /* HAVE_SELECT */
#endif /* HAVE_POLL */
}

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@@ -16,6 +16,599 @@
#include <X11/Xlocale.h>
#ifdef XFT
#if defined(HAVE_MBSNRTOWCS1)
static size_t
wmbsnrtowcs(wchar_t *dest, const char **src, size_t nbytes, size_t len)
{
mbstate_t ps;
size_t n;
memset(&ps, 0, sizeof(mbstate_t));
n = mbsnrtowcs(dest, src, nbytes, len, &ps);
if (n!=(size_t)-1 && *src) {
*src -= ps.__count;
}
return n;
}
#elif defined(HAVE_MBRTOWC)
// This is 8 times slower than the version above.
static size_t
wmbsnrtowcs(wchar_t *dest, const char **src, size_t nbytes, size_t len)
{
mbstate_t ps;
const char *ptr;
size_t n;
int nb;
if (nbytes==0)
return 0;
ptr = *src;
n = 0;
memset(&ps, 0, sizeof(mbstate_t));
if (dest == NULL) {
for (;;) {
nb = mbrtowc(NULL, ptr, nbytes, &ps);
if (nb < 0) {
return ((size_t)-1);
} else if (nb==0 || nb>nbytes) {
return n;
}
ptr += nb;
nbytes -= nb;
n++;
}
}
while (len-- > 0) {
nb = mbrtowc(dest, ptr, nbytes, &ps);
if (nb == -2) {
*src = ptr;
return n;
} else if (nb == -1) {
*src = ptr;
return ((size_t)-1);
} else if (nb == 0) {
*src = NULL;
return n;
}
ptr += nb;
nbytes -= nb;
n++;
dest++;
}
*src = ptr;
return n;
}
#else
# error No mbsnrtowcs. You loose.
#endif
WMFont*
WMCreateFont(WMScreen *scrPtr, char *fontName)
{
WMFont *font;
Display *display = scrPtr->display;
char *fname, *ptr;
/* This is for back-compat (to allow reading of old xlfd descriptions) */
if (fontName[0]=='-' && (ptr = strchr(fontName, ','))) {
fname = wmalloc(ptr - fontName + 1);
strncpy(fname, fontName, ptr - fontName);
fname[ptr - fontName] = 0;
} else {
fname = wstrdup(fontName);
}
font = WMHashGet(scrPtr->fontCache, fname);
if (font) {
WMRetainFont(font);
wfree(fname);
return font;
}
font = wmalloc(sizeof(WMFont));
memset(font, 0, sizeof(WMFont));
font->screen = scrPtr;
printf("%s\n", fname);
if (fname[0] == '-') {
/* Backward compat thing. Remove in a later version */
font->font = XftFontOpenXlfd(display, scrPtr->screen, fname);
} else {
font->font = XftFontOpenName(display, scrPtr->screen, fname);
}
if (!font->font) {
wfree(font);
wfree(fname);
return NULL;
}
font->height = font->font->ascent+font->font->descent;
font->y = font->font->ascent;
font->refCount = 1;
font->name = fname;
assert(WMHashInsert(scrPtr->fontCache, font->name, font)==NULL);
return font;
}
WMFont*
WMRetainFont(WMFont *font)
{
wassertrv(font!=NULL, NULL);
font->refCount++;
return font;
}
void
WMReleaseFont(WMFont *font)
{
wassertr(font!=NULL);
font->refCount--;
if (font->refCount < 1) {
XftFontClose(font->screen->display, font->font);
if (font->name) {
WMHashRemove(font->screen->fontCache, font->name);
wfree(font->name);
}
wfree(font);
}
}
Bool
WMIsAntialiasingEnabled(WMScreen *scrPtr)
{
return scrPtr->antialiasedText;
}
unsigned int
WMFontHeight(WMFont *font)
{
wassertrv(font!=NULL, 0);
return font->height;
}
char*
WMGetFontName(WMFont *font)
{
wassertrv(font!=NULL, NULL);
return font->name;
}
WMFont*
WMDefaultSystemFont(WMScreen *scrPtr)
{
return WMRetainFont(scrPtr->normalFont);
}
WMFont*
WMDefaultBoldSystemFont(WMScreen *scrPtr)
{
return WMRetainFont(scrPtr->boldFont);
}
WMFont*
WMSystemFontOfSize(WMScreen *scrPtr, int size)
{
WMFont *font;
char *fontSpec;
// we can here use fontnames like arial,times,sans-8:...
// which allow automatic fallback to times if arial is not available
// then sans if times is also unavailable.
fontSpec = makeFontSetOfSize(WINGsConfiguration.systemFont, size);
font = WMCreateFont(scrPtr, fontSpec);
if (!font) {
wwarning(_("could not load font %s. Trying sans."), fontSpec);
font = WMCreateFont(scrPtr, "sans:pixelsize=12");
}
wfree(fontSpec);
return font;
}
WMFont*
WMBoldSystemFontOfSize(WMScreen *scrPtr, int size)
{
WMFont *font;
char *fontSpec;
// we can here use fontnames like arial,times,sans-8:...
// which allow automatic fallback to times if arial is not available
// then sans if times is also unavailable.
fontSpec = makeFontSetOfSize(WINGsConfiguration.boldSystemFont, size);
font = WMCreateFont(scrPtr, fontSpec);
if (!font) {
wwarning(_("could not load font %s. Trying sans."), fontSpec);
font = WMCreateFont(scrPtr, "sans:bold:pixelsize=12");
}
wfree(fontSpec);
return font;
}
int
WMWidthOfString(WMFont *font, char *text, int length)
{
XGlyphInfo extents;
wassertrv(font!=NULL, 0);
wassertrv(text!=NULL, 0);
if (!font->notFontSet) {
wchar_t *wtext;
char *mtext;
int len;
wtext = (wchar_t *)wmalloc(sizeof(wchar_t)*(length+1));
mtext = text;
len = wmbsnrtowcs(wtext, &mtext, length, length);
if (len>0) {
wtext[len] = L'\0'; /* not really necessary here */
XftTextExtents32(font->screen->display, font->font,
(XftChar32 *)wtext, len, &extents);
} else {
if (len==-1) {
wwarning(_("Conversion to widechar failed (possible "
"invalid multibyte sequence): '%s':(pos %d)\n"),
text, mtext-text+1);
}
extents.xOff = 0;
}
wfree(wtext);
} else {
XftTextExtents8(font->screen->display, font->font,
(XftChar8 *)text, length, &extents);
}
return extents.xOff; /* don't ask :P */
}
void
WMDrawString(WMScreen *scr, Drawable d, WMColor *color, WMFont *font,
int x, int y, char *text, int length)
{
XftColor xftcolor;
wassertr(font!=NULL);
xftcolor.color.red = color->color.red;
xftcolor.color.green = color->color.green;
xftcolor.color.blue = color->color.blue;
xftcolor.color.alpha = color->alpha;;
xftcolor.pixel = W_PIXEL(color);
XftDrawChange(scr->xftdraw, d);
if (!font->notFontSet) {
wchar_t *wtext;
char *mtext;
int len;
wtext = (wchar_t *)wmalloc(sizeof(wchar_t)*(length+1));
mtext = text;
len = wmbsnrtowcs(wtext, &mtext, length, length);
if (len>0) {
XftDrawString32(scr->xftdraw, &xftcolor, font->font,
x, y + font->y, (XftChar32*)wtext, len);
} else if (len==-1) {
wwarning(_("Conversion to widechar failed (possible invalid "
"multibyte sequence): '%s':(pos %d)\n"),
text, mtext-text+1);
/* we can draw normal text, or we can draw as much widechar
* text as was already converted until the error. go figure */
/*XftDrawString8(scr->xftdraw, &xftcolor, font->font,
x, y + font->y, (XftChar8*)text, length);*/
}
wfree(wtext);
} else {
XftDrawString8(scr->xftdraw, &xftcolor, font->font,
x, y + font->y, (XftChar8*)text, length);
}
}
void
WMDrawImageString(WMScreen *scr, Drawable d, WMColor *color, WMColor *background,
WMFont *font, int x, int y, char *text, int length)
{
XftColor textColor;
XftColor bgColor;
wassertr(font!=NULL);
textColor.color.red = color->color.red;
textColor.color.green = color->color.green;
textColor.color.blue = color->color.blue;
textColor.color.alpha = color->alpha;;
textColor.pixel = W_PIXEL(color);
bgColor.color.red = background->color.red;
bgColor.color.green = background->color.green;
bgColor.color.blue = background->color.blue;
bgColor.color.alpha = background->alpha;;
bgColor.pixel = W_PIXEL(background);
XftDrawChange(scr->xftdraw, d);
XftDrawRect(scr->xftdraw, &bgColor, x, y,
WMWidthOfString(font, text, length),
font->height);
if (!font->notFontSet) {
wchar_t *wtext;
char *mtext;
int len;
mtext = text;
wtext = (wchar_t *)wmalloc(sizeof(wchar_t)*(length+1));
len = wmbsnrtowcs(wtext, &mtext, length, length);
if (len>0) {
XftDrawString32(scr->xftdraw, &textColor, font->font,
x, y + font->y, (XftChar32*)wtext, len);
} else if (len==-1) {
wwarning(_("Conversion to widechar failed (possible invalid "
"multibyte sequence): '%s':(pos %d)\n"),
text, mtext-text+1);
/* we can draw normal text, or we can draw as much widechar
* text as was already converted until the error. go figure */
/*XftDrawString8(scr->xftdraw, &textColor, font->font,
x, y + font->y, (XftChar8*)text, length);*/
}
wfree(wtext);
} else {
XftDrawString8(scr->xftdraw, &textColor, font->font,
x, y + font->y, (XftChar8*)text, length);
}
}
static char*
makeFontSetOfSize(char *fontset, int size)
{
char font[300], *f;
char *newfs = NULL;
char *ptr;
do {
char *tmp;
int end;
f = fontset;
ptr = strchr(fontset, ',');
if (ptr) {
int count = ptr-fontset;
if (count > 255) {
wwarning(_("font description %s is too large."), fontset);
} else {
memcpy(font, fontset, count);
font[count] = 0;
f = (char*)font;
}
}
if (newfs)
end = strlen(newfs);
else
end = 0;
tmp = wmalloc(end + strlen(f) + 8);
if (end != 0) {
sprintf(tmp, "%s,", newfs);
sprintf(tmp + end + 1, f, size);
} else {
sprintf(tmp + end, f, size);
}
if (newfs)
wfree(newfs);
newfs = tmp;
fontset = ptr+1;
} while (ptr!=NULL);
return newfs;
}
#define FONT_PROPS 14
typedef struct {
char *props[FONT_PROPS];
} W_FontAttributes;
static void
changeFontProp(char *buf, char *newprop, int position)
{
char buf2[512];
char *ptr, *pptr, *rptr;
int count;
if (buf[0]!='-') {
/* // remove warning later. or maybe not */
wwarning(_("Invalid font specification: '%s'\n"), buf);
return;
}
ptr = pptr = rptr = buf;
count = 0;
while (*ptr && *ptr!=',') {
if (*ptr == '-') {
count++;
if (count-1==position+1) {
rptr = ptr;
break;
}
if (count-1==position) {
pptr = ptr+1;
}
}
ptr++;
}
if (position==FONT_PROPS-1) {
rptr = ptr;
}
*pptr = 0;
snprintf(buf2, 512, "%s%s%s", buf, newprop, rptr);
strcpy(buf, buf2);
}
static WMArray*
getOptions(char *options)
{
char *ptr, *ptr2, *str;
WMArray *result;
int count;
result = WMCreateArrayWithDestructor(2, (WMFreeDataProc*)wfree);
ptr = options;
while (1) {
ptr2 = strchr(ptr, ',');
if (!ptr2) {
WMAddToArray(result, wstrdup(ptr));
break;
} else {
count = ptr2 - ptr;
str = wmalloc(count+1);
memcpy(str, ptr, count);
str[count] = 0;
WMAddToArray(result, str);
ptr = ptr2 + 1;
}
}
return result;
}
WMFont*
WMCopyFontWithChanges(WMScreen *scrPtr, WMFont *font,
const WMFontAttributes *changes)
{
int index[FONT_PROPS], count[FONT_PROPS];
int totalProps, i, j, carry;
char fname[512];
WMFontFlags fFlags;
WMBag *props;
WMArray *options;
WMFont *result;
char *prop;
snprintf(fname, 512, "%s", font->name);
fFlags = (font->antialiased ? WFAntialiased : WFNotAntialiased);
fFlags |= (font->notFontSet ? WFNormalFont : WFFontSet);
props = WMCreateBagWithDestructor(1, (WMFreeDataProc*)WMFreeArray);
totalProps = 0;
for (i=0; i<FONT_PROPS; i++) {
prop = ((W_FontAttributes*)changes)->props[i];
count[i] = index[i] = 0;
if (!prop) {
/* No change for this property */
continue;
} else if (strchr(prop, ',')==NULL) {
/* Simple option */
changeFontProp(fname, prop, i);
} else {
/* Option with fallback alternatives */
if ((changes==WFAEmphasized || changes==WFABoldEmphasized) &&
font->antialiased && strcmp(prop, "o,i")==0) {
options = getOptions("i,o");
} else {
options = getOptions(prop);
}
WMInsertInBag(props, i, options);
count[i] = WMGetArrayItemCount(options);
if (totalProps==0)
totalProps = 1;
totalProps = totalProps * count[i];
}
}
if (totalProps == 0) {
/* No options with fallback alternatives at all */
WMFreeBag(props);
return WMCreateFontWithFlags(scrPtr, fname, fFlags);
}
for (i=0; i<totalProps; i++) {
for (j=0; j<FONT_PROPS; j++) {
if (count[j]!=0) {
options = WMGetFromBag(props, j);
prop = WMGetFromArray(options, index[j]);
if (prop) {
changeFontProp(fname, prop, j);
}
}
}
result = WMCreateFontWithFlags(scrPtr, fname, fFlags);
if (result) {
WMFreeBag(props);
return result;
}
for (j=FONT_PROPS-1, carry=1; j>=0; j--) {
if (count[j]!=0) {
index[j] += carry;
carry = (index[j]==count[j]);
index[j] %= count[j];
}
}
}
WMFreeBag(props);
return NULL;
}
#else /* No XFT support */
static char *makeFontSetOfSize(char *fontset, int size);
@@ -1069,6 +1662,7 @@ WMCopyFontWithChanges(WMScreen *scrPtr, WMFont *font,
return NULL;
}
#endif
// should WFANormal also set "normal" or leave it alone?

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@@ -198,7 +198,7 @@ paintFrame(Frame *fPtr)
if (drawTitle) {
/* can't draw AA text over and over again because it gets messed */
/* // TODO create the dbl buffer pixmap when create/set frame title */
if (font->antialiased) {
if (scrPtr->antialiasedText) {
Drawable d;
d = XCreatePixmap(display, view->window, tw, th, scrPtr->depth);

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@@ -102,7 +102,7 @@ AC_FUNC_VPRINTF
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(gethostname select poll strerror strcasecmp strncasecmp \
setsid atexit mallinfo mkstemp snprintf vsnprintf asprintf \
vasprintf mbsnrtowcs mbsrtowcs)
vasprintf mbsnrtowcs mbsrtowcs mbrtowc mbrlen)
dnl ripped from samba
@@ -1094,7 +1094,7 @@ echo "Installation path prefix : $prefix"
echo "Installation path for binaries : $_bindir"
echo "Installation path for WPrefs.app : $wprefsdir" | sed -e 's|\$(prefix)|'"$prefix|"
echo "Supported graphic format libraries : $supported_gfx"
echo "Antialiased font support for WINGs : $xft"
echo "Antialiased text support for WINGs : $xft"
echo "Xinerama extension support : $xinerama"
echo "Use assembly routines for wrlib : $asm_support"
echo "Use inline MMX(tm) x86 assembly : $mmx_support"