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UTF8 support.

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This commit is contained in:
LemonBoy 2012-07-18 17:11:17 +02:00
parent 5f336a6a2d
commit 2214927250
2 changed files with 33 additions and 10 deletions
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2
Makefile
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@ -1,6 +1,6 @@
CC ?= gcc CC ?= gcc
STRIP ?= strip STRIP ?= strip
CFLAGS ?= -Os CFLAGS ?= -fshort-wchar -Os
LDFLAGS += -lxcb LDFLAGS += -lxcb
CFDEBUG = -g3 -pedantic -Wall -Wunused-parameter -Wlong-long\ CFDEBUG = -g3 -pedantic -Wall -Wunused-parameter -Wlong-long\
-Wsign-conversion -Wconversion -Wimplicit-function-declaration -Wsign-conversion -Wconversion -Wimplicit-function-declaration

41
bar.c
View File

@ -29,12 +29,20 @@ fillrect (int color, int x, int y, int width, int height)
xcb_poly_fill_rectangle (c, canvas, gc, 1, (const xcb_rectangle_t []){ { x, y, width, height } }); xcb_poly_fill_rectangle (c, canvas, gc, 1, (const xcb_rectangle_t []){ { x, y, width, height } });
} }
/* libc doesn't give a shit to -fshort-wchar, so here's our wcslen */
size_t
wcslen_ (wchar_t *s) {
size_t len;
for (len = 0; *s; s++);
return len;
}
int int
draw (int x, int align, int fgcol, int bgcol, char *text) draw (int x, int align, int fgcol, int bgcol, wchar_t *text)
{ {
int done = 0; int done = 0;
int pos_x = x; int pos_x = x;
int len = MIN(bw / ft_width, strlen (text)); int len = MIN(bw / ft_width, wcslen_ (text));
int strw = len * ft_width; int strw = len * ft_width;
if (!strw) return 0; if (!strw) return 0;
@ -55,7 +63,8 @@ draw (int x, int align, int fgcol, int bgcol, char *text)
xcb_change_gc (c, gc, XCB_GC_FOREGROUND, (const uint32_t []){ pal[fgcol] }); xcb_change_gc (c, gc, XCB_GC_FOREGROUND, (const uint32_t []){ pal[fgcol] });
xcb_change_gc (c, gc, XCB_GC_BACKGROUND, (const uint32_t []){ pal[bgcol] }); xcb_change_gc (c, gc, XCB_GC_BACKGROUND, (const uint32_t []){ pal[bgcol] });
do { do {
xcb_image_text_8 (c, MIN(len - done, 255), canvas, gc, pos_x, bh - ft_height / 2, text + done); /* Bottom-left coords */ xcb_image_text_16 (c, MIN(len - done, 255), canvas, gc, pos_x, bh - ft_height / 2, /* Bottom left coords */
(xcb_char2b_t *)text + done);
done += MIN(len - done, 255); done += MIN(len - done, 255);
pos_x = done * ft_width; pos_x = done * ft_width;
} while (done < len); } while (done < len);
@ -66,10 +75,10 @@ draw (int x, int align, int fgcol, int bgcol, char *text)
void void
parse (char *text) parse (char *text)
{ {
char parsed_text[1024] = {0, }; wchar_t parsed_text[2048] = {0, };
char *p = text; wchar_t *q = parsed_text;
char *q = parsed_text; char *p = text;
int pos_x = 0; int pos_x = 0;
int align = 0; int align = 0;
@ -91,9 +100,22 @@ parse (char *text)
case 'r': align = 2; pos_x = 0; break; case 'r': align = 2; pos_x = 0; break;
} }
q = parsed_text; q = parsed_text;
} } else { /* utf-8 -> ucs-2 */
else *q++ = *p++; if (!(p[0] & 0x80)) {
*q++ = p[0] << 8;
p += 1;
}
else if ((p[0] & 0xe0) == 0xc0 && (p[1] & 0xc0) == 0x80) {
wchar_t t = (p[0] & 0x1f) << 6 | p[1] & 0x3f;
*q++ = (t >> 8) | (t << 8);
p += 2;
}
else if ((p[0] & 0xf0) == 0xe0 && (p[1] & 0xc0) == 0x80 && (p[2] & 0xc0) == 0x80) {
wchar_t t = (p[0] & 0xf) << 12 | (p[1] & 0x3f) << 6 | p[2] & 0x3f;
*q++ = (t >> 8) | (t << 8);
p += 3;
}
}
*q = 0; *q = 0;
} }
} }
@ -157,6 +179,7 @@ init (void)
xcb_close_font (c, xf); xcb_close_font (c, xf);
/* Make the bar visible */ /* Make the bar visible */
xcb_map_window (c, win); xcb_map_window (c, win);
xcb_flush (c);
} }
int int