sync drw.c, drw.h and arg.h from dmenu - libsl - shared code master of various … | |
git clone git://git.suckless.org/libsl | |
Log | |
Files | |
Refs | |
LICENSE | |
--- | |
commit e1132a979e39d6cdb8c34ea5496c901a5b8c2d79 | |
parent 4ef363a6c7f0265024845e151a5fe7dcaefb3ee1 | |
Author: Hiltjo Posthuma <[email protected]> | |
Date: Sat, 5 Nov 2016 11:44:30 +0100 | |
sync drw.c, drw.h and arg.h from dmenu | |
Diffstat: | |
M arg.h | 46 ++++++++++++++++++-----------… | |
M drw.c | 396 ++++++++++++++++-------------… | |
M drw.h | 51 +++++++++++------------------… | |
M util.c | 28 +++++++++++++++++++++++----- | |
4 files changed, 270 insertions(+), 251 deletions(-) | |
--- | |
diff --git a/arg.h b/arg.h | |
@@ -3,39 +3,47 @@ | |
* by 20h | |
*/ | |
-#ifndef __ARG_H__ | |
-#define __ARG_H__ | |
+#ifndef ARG_H__ | |
+#define ARG_H__ | |
extern char *argv0; | |
-#define USED(x) ((void)(x)) | |
- | |
+/* use main(int argc, char *argv[]) */ | |
#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ | |
- argv[0] && argv[0][1]\ | |
- && argv[0][0] == '-';\ | |
+ argv[0] && argv[0][0] == '-'\ | |
+ && argv[0][1];\ | |
argc--, argv++) {\ | |
- char _argc;\ | |
- char **_argv;\ | |
+ char argc_;\ | |
+ char **argv_;\ | |
+ int brk_;\ | |
if (argv[0][1] == '-' && argv[0][2] == '\0') {\ | |
argv++;\ | |
argc--;\ | |
break;\ | |
}\ | |
- for (argv[0]++, _argv = argv; argv[0][0];\ | |
+ for (brk_ = 0, argv[0]++, argv_ = argv;\ | |
+ argv[0][0] && !brk_;\ | |
argv[0]++) {\ | |
- if (_argv != argv)\ | |
+ if (argv_ != argv)\ | |
break;\ | |
- _argc = argv[0][0];\ | |
- switch (_argc) | |
+ argc_ = argv[0][0];\ | |
+ switch (argc_) | |
#define ARGEND }\ | |
- USED(_argc);\ | |
- }\ | |
- USED(argv);\ | |
- USED(argc); | |
+ } | |
-#define EARGF(x) ((argv[1] == NULL)? ((x), abort(), (char *)0) :\ | |
- (argc--, argv++, argv[0])) | |
+#define ARGC() argc_ | |
-#endif | |
+#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\ | |
+ ((x), abort(), (char *)0) :\ | |
+ (brk_ = 1, (argv[0][1] != '\0')?\ | |
+ (&argv[0][1]) :\ | |
+ (argc--, argv++, argv[0]))) | |
+#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\ | |
+ (char *)0 :\ | |
+ (brk_ = 1, (argv[0][1] != '\0')?\ | |
+ (&argv[0][1]) :\ | |
+ (argc--, argv++, argv[0]))) | |
+ | |
+#endif | |
diff --git a/drw.c b/drw.c | |
@@ -9,7 +9,7 @@ | |
#include "util.h" | |
#define UTF_INVALID 0xFFFD | |
-#define UTF_SIZ 4 | |
+#define UTF_SIZ 4 | |
static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF… | |
static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF… | |
@@ -17,50 +17,54 @@ static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0… | |
static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FF… | |
static long | |
-utf8decodebyte(const char c, size_t *i) { | |
- for(*i = 0; *i < (UTF_SIZ + 1); ++(*i)) | |
- if(((unsigned char)c & utfmask[*i]) == utfbyte[*i]) | |
+utf8decodebyte(const char c, size_t *i) | |
+{ | |
+ for (*i = 0; *i < (UTF_SIZ + 1); ++(*i)) | |
+ if (((unsigned char)c & utfmask[*i]) == utfbyte[*i]) | |
return (unsigned char)c & ~utfmask[*i]; | |
return 0; | |
} | |
static size_t | |
-utf8validate(long *u, size_t i) { | |
- if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) | |
+utf8validate(long *u, size_t i) | |
+{ | |
+ if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) | |
*u = UTF_INVALID; | |
- for(i = 1; *u > utfmax[i]; ++i) | |
+ for (i = 1; *u > utfmax[i]; ++i) | |
; | |
return i; | |
} | |
static size_t | |
-utf8decode(const char *c, long *u, size_t clen) { | |
+utf8decode(const char *c, long *u, size_t clen) | |
+{ | |
size_t i, j, len, type; | |
long udecoded; | |
*u = UTF_INVALID; | |
- if(!clen) | |
+ if (!clen) | |
return 0; | |
udecoded = utf8decodebyte(c[0], &len); | |
- if(!BETWEEN(len, 1, UTF_SIZ)) | |
+ if (!BETWEEN(len, 1, UTF_SIZ)) | |
return 1; | |
- for(i = 1, j = 1; i < clen && j < len; ++i, ++j) { | |
+ for (i = 1, j = 1; i < clen && j < len; ++i, ++j) { | |
udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type); | |
- if(type != 0) | |
+ if (type) | |
return j; | |
} | |
- if(j < len) | |
+ if (j < len) | |
return 0; | |
*u = udecoded; | |
utf8validate(u, len); | |
+ | |
return len; | |
} | |
Drw * | |
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int… | |
- Drw *drw = (Drw *)calloc(1, sizeof(Drw)); | |
- if(!drw) | |
- return NULL; | |
+drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int… | |
+{ | |
+ Drw *drw = ecalloc(1, sizeof(Drw)); | |
+ | |
drw->dpy = dpy; | |
drw->screen = screen; | |
drw->root = root; | |
@@ -68,165 +72,178 @@ drw_create(Display *dpy, int screen, Window root, unsigne… | |
drw->h = h; | |
drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, scree… | |
drw->gc = XCreateGC(dpy, root, 0, NULL); | |
- drw->fontcount = 0; | |
XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter); | |
+ | |
return drw; | |
} | |
void | |
-drw_resize(Drw *drw, unsigned int w, unsigned int h) { | |
- if(!drw) | |
+drw_resize(Drw *drw, unsigned int w, unsigned int h) | |
+{ | |
+ if (!drw) | |
return; | |
+ | |
drw->w = w; | |
drw->h = h; | |
- if(drw->drawable != 0) | |
+ if (drw->drawable) | |
XFreePixmap(drw->dpy, drw->drawable); | |
drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(… | |
} | |
void | |
-drw_free(Drw *drw) { | |
- size_t i; | |
- for (i = 0; i < drw->fontcount; i++) { | |
- drw_font_free(drw->fonts[i]); | |
- } | |
+drw_free(Drw *drw) | |
+{ | |
XFreePixmap(drw->dpy, drw->drawable); | |
XFreeGC(drw->dpy, drw->gc); | |
free(drw); | |
} | |
/* This function is an implementation detail. Library users should use | |
- * drw_font_create instead. | |
+ * drw_fontset_create instead. | |
*/ | |
static Fnt * | |
-drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) { | |
+xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern) | |
+{ | |
Fnt *font; | |
- | |
- if (!(fontname || fontpattern)) | |
- die("No font specified.\n"); | |
- | |
- if (!(font = (Fnt *)calloc(1, sizeof(Fnt)))) | |
- return NULL; | |
+ XftFont *xfont = NULL; | |
+ FcPattern *pattern = NULL; | |
if (fontname) { | |
- /* Using the pattern found at font->xfont->pattern does not yi… | |
- * the same substitution results as using the pattern returned… | |
+ /* Using the pattern found at font->xfont->pattern does not yi… | |
+ * same substitution results as using the pattern returned by | |
* FcNameParse; using the latter results in the desired fallba… | |
- * behaviour whereas the former just results in | |
- * missing-character-rectangles being drawn, at least with som… | |
- */ | |
- if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fon… | |
- !(font->pattern = FcNameParse((FcChar8 *) fontname))) { | |
- if (font->xfont) { | |
- XftFontClose(drw->dpy, font->xfont); | |
- font->xfont = NULL; | |
- } | |
- fprintf(stderr, "error, cannot load font: '%s'\n", fon… | |
+ * behaviour whereas the former just results in missing-charac… | |
+ * rectangles being drawn, at least with some fonts. */ | |
+ if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)… | |
+ fprintf(stderr, "error, cannot load font from name: '%… | |
+ return NULL; | |
+ } | |
+ if (!(pattern = FcNameParse((FcChar8 *) fontname))) { | |
+ fprintf(stderr, "error, cannot parse font name to patt… | |
+ XftFontClose(drw->dpy, xfont); | |
+ return NULL; | |
} | |
} else if (fontpattern) { | |
- if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern))… | |
- fprintf(stderr, "error, cannot load font pattern.\n"); | |
- } else { | |
- font->pattern = NULL; | |
+ if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) { | |
+ fprintf(stderr, "error, cannot load font from pattern.… | |
+ return NULL; | |
} | |
+ } else { | |
+ die("no font specified."); | |
} | |
- if (!font->xfont) { | |
- free(font); | |
- return NULL; | |
- } | |
- | |
- font->ascent = font->xfont->ascent; | |
- font->descent = font->xfont->descent; | |
- font->h = font->ascent + font->descent; | |
+ font = ecalloc(1, sizeof(Fnt)); | |
+ font->xfont = xfont; | |
+ font->pattern = pattern; | |
+ font->h = xfont->ascent + xfont->descent; | |
font->dpy = drw->dpy; | |
+ | |
return font; | |
} | |
-Fnt* | |
-drw_font_create(Drw *drw, const char *fontname) { | |
- return drw_font_xcreate(drw, fontname, NULL); | |
+static void | |
+xfont_free(Fnt *font) | |
+{ | |
+ if (!font) | |
+ return; | |
+ if (font->pattern) | |
+ FcPatternDestroy(font->pattern); | |
+ XftFontClose(font->dpy, font->xfont); | |
+ free(font); | |
} | |
-void | |
-drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) { | |
+Fnt* | |
+drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount) | |
+{ | |
+ Fnt *cur, *ret = NULL; | |
size_t i; | |
- Fnt *font; | |
- for (i = 0; i < fontcount; i++) { | |
- if (drw->fontcount >= DRW_FONT_CACHE_SIZE) { | |
- die("Font cache exhausted.\n"); | |
- } else if ((font = drw_font_xcreate(drw, fonts[i], NULL))) { | |
- drw->fonts[drw->fontcount++] = font; | |
+ | |
+ if (!drw || !fonts) | |
+ return NULL; | |
+ | |
+ for (i = 1; i <= fontcount; i++) { | |
+ if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) { | |
+ cur->next = ret; | |
+ ret = cur; | |
} | |
} | |
+ return (drw->fonts = ret); | |
+} | |
+ | |
+void | |
+drw_fontset_free(Fnt *font) | |
+{ | |
+ if (font) { | |
+ drw_fontset_free(font->next); | |
+ xfont_free(font); | |
+ } | |
} | |
void | |
-drw_font_free(Fnt *font) { | |
- if(!font) | |
+drw_clr_create(Drw *drw, Clr *dest, const char *clrname) | |
+{ | |
+ if (!drw || !dest || !clrname) | |
return; | |
- if(font->pattern) | |
- FcPatternDestroy(font->pattern); | |
- XftFontClose(font->dpy, font->xfont); | |
- free(font); | |
+ | |
+ if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen), | |
+ DefaultColormap(drw->dpy, drw->screen), | |
+ clrname, dest)) | |
+ die("error, cannot allocate color '%s'", clrname); | |
} | |
+/* Wrapper to create color schemes. The caller has to call free(3) on the | |
+ * returned color scheme when done using it. */ | |
Clr * | |
-drw_clr_create(Drw *drw, const char *clrname) { | |
- Clr *clr; | |
- Colormap cmap; | |
- Visual *vis; | |
+drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount) | |
+{ | |
+ size_t i; | |
+ Clr *ret; | |
- if(!drw) | |
+ /* need at least two colors for a scheme */ | |
+ if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, siz… | |
return NULL; | |
- clr = (Clr *)calloc(1, sizeof(Clr)); | |
- if(!clr) | |
- return NULL; | |
- cmap = DefaultColormap(drw->dpy, drw->screen); | |
- vis = DefaultVisual(drw->dpy, drw->screen); | |
- if(!XftColorAllocName(drw->dpy, vis, cmap, clrname, &clr->rgb)) | |
- die("error, cannot allocate color '%s'\n", clrname); | |
- clr->pix = clr->rgb.pixel; | |
- return clr; | |
+ | |
+ for (i = 0; i < clrcount; i++) | |
+ drw_clr_create(drw, &ret[i], clrnames[i]); | |
+ return ret; | |
} | |
void | |
-drw_clr_free(Clr *clr) { | |
- if(clr) | |
- free(clr); | |
+drw_setfontset(Drw *drw, Fnt *set) | |
+{ | |
+ if (drw) | |
+ drw->fonts = set; | |
} | |
void | |
-drw_setscheme(Drw *drw, ClrScheme *scheme) { | |
- if(drw && scheme) | |
- drw->scheme = scheme; | |
+drw_setscheme(Drw *drw, Clr *scm) | |
+{ | |
+ if (drw) | |
+ drw->scheme = scm; | |
} | |
void | |
-drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, i… | |
- int dx; | |
- | |
- if(!drw || !drw->fontcount || !drw->scheme) | |
+drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, i… | |
+{ | |
+ if (!drw || !drw->scheme) | |
return; | |
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw-… | |
- dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4; | |
- if(filled) | |
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx+… | |
- else if(empty) | |
- XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx,… | |
+ XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : … | |
+ if (filled) | |
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h); | |
+ else | |
+ XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, … | |
} | |
int | |
-drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *t… | |
+drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int … | |
+{ | |
char buf[1024]; | |
- int tx, ty, th; | |
- Extnts tex; | |
- Colormap cmap; | |
- Visual *vis; | |
- XftDraw *d; | |
- Fnt *curfont, *nextfont; | |
+ int ty; | |
+ unsigned int ew; | |
+ XftDraw *d = NULL; | |
+ Fnt *usedfont, *curfont, *nextfont; | |
size_t i, len; | |
- int utf8strlen, utf8charlen, render; | |
+ int utf8strlen, utf8charlen, render = x || y || w || h; | |
long utf8codepoint = 0; | |
const char *utf8str; | |
FcCharSet *fccharset; | |
@@ -235,73 +252,67 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned… | |
XftResult result; | |
int charexists = 0; | |
- if (!(render = x || y || w || h)) { | |
- w = ~w; | |
- } | |
- | |
- if (!drw || !drw->scheme) { | |
+ if (!drw || (render && !drw->scheme) || !text || !drw->fonts) | |
return 0; | |
- } else if (render) { | |
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->pi… | |
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h); | |
- } | |
- if (!text || !drw->fontcount) { | |
- return 0; | |
- } else if (render) { | |
- cmap = DefaultColormap(drw->dpy, drw->screen); | |
- vis = DefaultVisual(drw->dpy, drw->screen); | |
- d = XftDrawCreate(drw->dpy, drw->drawable, vis, cmap); | |
+ if (!render) { | |
+ w = ~w; | |
+ } else { | |
+ XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg :… | |
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h); | |
+ d = XftDrawCreate(drw->dpy, drw->drawable, | |
+ DefaultVisual(drw->dpy, drw->screen), | |
+ DefaultColormap(drw->dpy, drw->screen)); | |
+ x += lpad; | |
+ w -= lpad; | |
} | |
- curfont = drw->fonts[0]; | |
+ usedfont = drw->fonts; | |
while (1) { | |
utf8strlen = 0; | |
utf8str = text; | |
nextfont = NULL; | |
while (*text) { | |
utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ… | |
- for (i = 0; i < drw->fontcount; i++) { | |
- charexists = charexists || XftCharExists(drw->… | |
+ for (curfont = drw->fonts; curfont; curfont = curfont-… | |
+ charexists = charexists || XftCharExists(drw->… | |
if (charexists) { | |
- if (drw->fonts[i] == curfont) { | |
+ if (curfont == usedfont) { | |
utf8strlen += utf8charlen; | |
text += utf8charlen; | |
} else { | |
- nextfont = drw->fonts[i]; | |
+ nextfont = curfont; | |
} | |
break; | |
} | |
} | |
- if (!charexists || (nextfont && nextfont != curfont)) { | |
+ if (!charexists || nextfont) | |
break; | |
- } else { | |
+ else | |
charexists = 0; | |
- } | |
} | |
if (utf8strlen) { | |
- drw_font_getexts(curfont, utf8str, utf8strlen, &tex); | |
+ drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, N… | |
/* shorten text if necessary */ | |
- for(len = MIN(utf8strlen, (sizeof buf) - 1); len && (t… | |
- drw_font_getexts(curfont, utf8str, len, &tex); | |
+ for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew… | |
+ drw_font_getexts(usedfont, utf8str, len, &ew, … | |
if (len) { | |
memcpy(buf, utf8str, len); | |
buf[len] = '\0'; | |
- if(len < utf8strlen) | |
- for(i = len; i && i > len - 3; buf[--i… | |
+ if (len < utf8strlen) | |
+ for (i = len; i && i > len - 3; buf[--… | |
+ ; /* NOP */ | |
if (render) { | |
- th = curfont->ascent + curfont->descen… | |
- ty = y + (h / 2) - (th / 2) + curfont-… | |
- tx = x + (h / 2); | |
- XftDrawStringUtf8(d, invert ? &drw->sc… | |
+ ty = y + (h - usedfont->h) / 2 + usedf… | |
+ XftDrawStringUtf8(d, &drw->scheme[inve… | |
+ usedfont->xfont, x, … | |
} | |
- | |
- x += tex.w; | |
- w -= tex.w; | |
+ x += ew; | |
+ w -= ew; | |
} | |
} | |
@@ -309,28 +320,21 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned… | |
break; | |
} else if (nextfont) { | |
charexists = 0; | |
- curfont = nextfont; | |
+ usedfont = nextfont; | |
} else { | |
/* Regardless of whether or not a fallback font is fou… | |
- * character must be drawn. | |
- */ | |
+ * character must be drawn. */ | |
charexists = 1; | |
- if (drw->fontcount >= DRW_FONT_CACHE_SIZE) { | |
- continue; | |
- } | |
- | |
fccharset = FcCharSetCreate(); | |
FcCharSetAddChar(fccharset, utf8codepoint); | |
- if (!drw->fonts[0]->pattern) { | |
- /* Refer to the comment in drw_font_xcreate fo… | |
- * information. | |
- */ | |
- die("The first font in the cache must be loade… | |
+ if (!drw->fonts->pattern) { | |
+ /* Refer to the comment in xfont_create for mo… | |
+ die("the first font in the cache must be loade… | |
} | |
- fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern); | |
+ fcpattern = FcPatternDuplicate(drw->fonts->pattern); | |
FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); | |
FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue); | |
@@ -342,70 +346,76 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned… | |
FcPatternDestroy(fcpattern); | |
if (match) { | |
- curfont = drw_font_xcreate(drw, NULL, match); | |
- if (curfont && XftCharExists(drw->dpy, curfont… | |
- drw->fonts[drw->fontcount++] = curfont; | |
+ usedfont = xfont_create(drw, NULL, match); | |
+ if (usedfont && XftCharExists(drw->dpy, usedfo… | |
+ for (curfont = drw->fonts; curfont->ne… | |
+ ; /* NOP */ | |
+ curfont->next = usedfont; | |
} else { | |
- if (curfont) { | |
- drw_font_free(curfont); | |
- } | |
- curfont = drw->fonts[0]; | |
+ xfont_free(usedfont); | |
+ usedfont = drw->fonts; | |
} | |
} | |
} | |
} | |
- | |
- if (render) { | |
+ if (d) | |
XftDrawDestroy(d); | |
- } | |
- return x; | |
+ return x + (render ? w : 0); | |
} | |
void | |
-drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) { | |
- if(!drw) | |
+drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) | |
+{ | |
+ if (!drw) | |
return; | |
+ | |
XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y); | |
XSync(drw->dpy, False); | |
} | |
+unsigned int | |
+drw_fontset_getwidth(Drw *drw, const char *text) | |
+{ | |
+ if (!drw || !drw->fonts || !text) | |
+ return 0; | |
+ return drw_text(drw, 0, 0, 0, 0, 0, text, 0); | |
+} | |
void | |
-drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex) { | |
+drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *… | |
+{ | |
XGlyphInfo ext; | |
- if(!font || !text) | |
+ if (!font || !text) | |
return; | |
- XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext… | |
- tex->h = font->h; | |
- tex->w = ext.xOff; | |
-} | |
- | |
-unsigned int | |
-drw_font_getexts_width(Fnt *font, const char *text, unsigned int len) { | |
- Extnts tex; | |
- if(!font) | |
- return -1; | |
- drw_font_getexts(font, text, len, &tex); | |
- return tex.w; | |
+ XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext… | |
+ if (w) | |
+ *w = ext.xOff; | |
+ if (h) | |
+ *h = font->h; | |
} | |
Cur * | |
-drw_cur_create(Drw *drw, int shape) { | |
- Cur *cur = (Cur *)calloc(1, sizeof(Cur)); | |
+drw_cur_create(Drw *drw, int shape) | |
+{ | |
+ Cur *cur; | |
- if(!drw || !cur) | |
+ if (!drw || !(cur = ecalloc(1, sizeof(Cur)))) | |
return NULL; | |
+ | |
cur->cursor = XCreateFontCursor(drw->dpy, shape); | |
+ | |
return cur; | |
} | |
void | |
-drw_cur_free(Drw *drw, Cur *cursor) { | |
- if(!drw || !cursor) | |
+drw_cur_free(Drw *drw, Cur *cursor) | |
+{ | |
+ if (!cursor) | |
return; | |
+ | |
XFreeCursor(drw->dpy, cursor->cursor); | |
free(cursor); | |
} | |
diff --git a/drw.h b/drw.h | |
@@ -1,29 +1,19 @@ | |
/* See LICENSE file for copyright and license details. */ | |
-#define DRW_FONT_CACHE_SIZE 32 | |
- | |
-typedef struct { | |
- unsigned long pix; | |
- XftColor rgb; | |
-} Clr; | |
typedef struct { | |
Cursor cursor; | |
} Cur; | |
-typedef struct { | |
+typedef struct Fnt { | |
Display *dpy; | |
- int ascent; | |
- int descent; | |
unsigned int h; | |
XftFont *xfont; | |
FcPattern *pattern; | |
+ struct Fnt *next; | |
} Fnt; | |
-typedef struct { | |
- Clr *fg; | |
- Clr *bg; | |
- Clr *border; | |
-} ClrScheme; | |
+enum { ColFg, ColBg }; /* Clr scheme index */ | |
+typedef XftColor Clr; | |
typedef struct { | |
unsigned int w, h; | |
@@ -32,43 +22,36 @@ typedef struct { | |
Window root; | |
Drawable drawable; | |
GC gc; | |
- ClrScheme *scheme; | |
- size_t fontcount; | |
- Fnt *fonts[DRW_FONT_CACHE_SIZE]; | |
+ Clr *scheme; | |
+ Fnt *fonts; | |
} Drw; | |
-typedef struct { | |
- unsigned int w; | |
- unsigned int h; | |
-} Extnts; | |
- | |
/* Drawable abstraction */ | |
Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned… | |
void drw_resize(Drw *drw, unsigned int w, unsigned int h); | |
void drw_free(Drw *drw); | |
/* Fnt abstraction */ | |
-Fnt *drw_font_create(Drw *drw, const char *fontname); | |
-void drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount); | |
-void drw_font_free(Fnt *font); | |
-void drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *e… | |
-unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int … | |
+Fnt *drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount); | |
+void drw_fontset_free(Fnt* set); | |
+unsigned int drw_fontset_getwidth(Drw *drw, const char *text); | |
+void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned … | |
-/* Colour abstraction */ | |
-Clr *drw_clr_create(Drw *drw, const char *clrname); | |
-void drw_clr_free(Clr *clr); | |
+/* Colorscheme abstraction */ | |
+void drw_clr_create(Drw *drw, Clr *dest, const char *clrname); | |
+Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount); | |
/* Cursor abstraction */ | |
Cur *drw_cur_create(Drw *drw, int shape); | |
void drw_cur_free(Drw *drw, Cur *cursor); | |
/* Drawing context manipulation */ | |
-void drw_setfont(Drw *drw, Fnt *font); | |
-void drw_setscheme(Drw *drw, ClrScheme *scheme); | |
+void drw_setfontset(Drw *drw, Fnt *set); | |
+void drw_setscheme(Drw *drw, Clr *scm); | |
/* Drawing functions */ | |
-void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int fill… | |
-int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const cha… | |
+void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int fill… | |
+int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned … | |
/* Map functions */ | |
void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int … | |
diff --git a/util.c b/util.c | |
@@ -2,16 +2,34 @@ | |
#include <stdarg.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
+#include <string.h> | |
#include "util.h" | |
+void * | |
+ecalloc(size_t nmemb, size_t size) | |
+{ | |
+ void *p; | |
+ | |
+ if (!(p = calloc(nmemb, size))) | |
+ die("calloc:"); | |
+ return p; | |
+} | |
+ | |
void | |
-die(const char *errstr, ...) { | |
+die(const char *fmt, ...) { | |
va_list ap; | |
- va_start(ap, errstr); | |
- vfprintf(stderr, errstr, ap); | |
+ va_start(ap, fmt); | |
+ vfprintf(stderr, fmt, ap); | |
va_end(ap); | |
- exit(EXIT_FAILURE); | |
-} | |
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') { | |
+ fputc(' ', stderr); | |
+ perror(NULL); | |
+ } else { | |
+ fputc('\n', stderr); | |
+ } | |
+ | |
+ exit(1); | |
+} |