forked from mirror/dwm
sync updated drw code from dmenu
important: - drw_rect: didn't use w and h, change the dwm code accordingly. - drw_text: text is NULL is not allowed, use drw_rect().
This commit is contained in:
Hiltjo Posthuma
parent
e3b7e1d620
commit
646b351cc7
5 changed files with 165 additions and 159 deletions
247
drw.c
247
drw.c
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@ -17,50 +17,55 @@ static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000
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static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
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static long
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utf8decodebyte(const char c, size_t *i) {
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for(*i = 0; *i < (UTF_SIZ + 1); ++(*i))
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if(((unsigned char)c & utfmask[*i]) == utfbyte[*i])
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utf8decodebyte(const char c, size_t *i)
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{
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for (*i = 0; *i < (UTF_SIZ + 1); ++(*i))
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if (((unsigned char)c & utfmask[*i]) == utfbyte[*i])
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return (unsigned char)c & ~utfmask[*i];
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return 0;
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}
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static size_t
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utf8validate(long *u, size_t i) {
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if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
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utf8validate(long *u, size_t i)
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{
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if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
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*u = UTF_INVALID;
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for(i = 1; *u > utfmax[i]; ++i)
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for (i = 1; *u > utfmax[i]; ++i)
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;
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return i;
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}
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static size_t
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utf8decode(const char *c, long *u, size_t clen) {
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utf8decode(const char *c, long *u, size_t clen)
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{
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size_t i, j, len, type;
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long udecoded;
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*u = UTF_INVALID;
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if(!clen)
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if (!clen)
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return 0;
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udecoded = utf8decodebyte(c[0], &len);
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if(!BETWEEN(len, 1, UTF_SIZ))
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if (!BETWEEN(len, 1, UTF_SIZ))
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return 1;
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for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
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for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
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udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
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if(type != 0)
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if (type)
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return j;
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}
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if(j < len)
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if (j < len)
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return 0;
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*u = udecoded;
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utf8validate(u, len);
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return len;
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}
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Drw *
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drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h) {
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Drw *drw = (Drw *)calloc(1, sizeof(Drw));
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if(!drw)
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return NULL;
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drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
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{
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Drw *drw;
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drw = ecalloc(1, sizeof(Drw));
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drw->dpy = dpy;
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drw->screen = screen;
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drw->root = root;
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@ -70,26 +75,27 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
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drw->gc = XCreateGC(dpy, root, 0, NULL);
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drw->fontcount = 0;
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XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
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return drw;
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}
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void
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drw_resize(Drw *drw, unsigned int w, unsigned int h) {
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if(!drw)
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return;
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drw_resize(Drw *drw, unsigned int w, unsigned int h)
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{
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drw->w = w;
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drw->h = h;
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if(drw->drawable != 0)
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if (drw->drawable)
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XFreePixmap(drw->dpy, drw->drawable);
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drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
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}
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void
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drw_free(Drw *drw) {
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drw_free(Drw *drw)
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{
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size_t i;
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for (i = 0; i < drw->fontcount; i++) {
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for (i = 0; i < drw->fontcount; i++)
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drw_font_free(drw->fonts[i]);
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}
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XFreePixmap(drw->dpy, drw->drawable);
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XFreeGC(drw->dpy, drw->gc);
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free(drw);
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@ -99,14 +105,11 @@ drw_free(Drw *drw) {
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* drw_font_create instead.
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*/
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static Fnt *
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drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) {
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drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
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{
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Fnt *font;
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if (!(fontname || fontpattern))
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die("No font specified.\n");
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if (!(font = (Fnt *)calloc(1, sizeof(Fnt))))
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return NULL;
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XftFont *xfont = NULL;
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FcPattern *pattern = NULL;
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if (fontname) {
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/* Using the pattern found at font->xfont->pattern does not yield same
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@ -115,46 +118,50 @@ drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) {
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* behaviour whereas the former just results in
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* missing-character-rectangles being drawn, at least with some fonts.
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*/
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if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) ||
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!(font->pattern = FcNameParse((FcChar8 *) fontname))) {
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if (font->xfont) {
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XftFontClose(drw->dpy, font->xfont);
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font->xfont = NULL;
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}
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if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
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fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
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}
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} else if (fontpattern) {
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if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
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fprintf(stderr, "error, cannot load font pattern.\n");
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} else {
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font->pattern = NULL;
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}
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}
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if (!font->xfont) {
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free(font);
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return NULL;
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}
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if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
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fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
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XftFontClose(drw->dpy, xfont);
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return NULL;
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}
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} else if (fontpattern) {
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if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
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fprintf(stderr, "error, cannot load font pattern.\n");
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return NULL;
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}
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} else {
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die("no font specified.\n");
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}
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font->ascent = font->xfont->ascent;
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font->descent = font->xfont->descent;
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font = ecalloc(1, sizeof(Fnt));
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font->xfont = xfont;
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font->pattern = pattern;
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font->ascent = xfont->ascent;
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font->descent = xfont->descent;
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font->h = font->ascent + font->descent;
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font->dpy = drw->dpy;
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return font;
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}
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Fnt*
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drw_font_create(Drw *drw, const char *fontname) {
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drw_font_create(Drw *drw, const char *fontname)
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{
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return drw_font_xcreate(drw, fontname, NULL);
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}
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void
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drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) {
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drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount)
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{
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size_t i;
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Fnt *font;
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for (i = 0; i < fontcount; i++) {
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if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
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die("Font cache exhausted.\n");
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die("font cache exhausted.\n");
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} else if ((font = drw_font_xcreate(drw, fonts[i], NULL))) {
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drw->fonts[drw->fontcount++] = font;
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}
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@ -162,68 +169,62 @@ drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) {
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}
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void
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drw_font_free(Fnt *font) {
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if(!font)
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drw_font_free(Fnt *font)
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{
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if (!font)
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return;
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if(font->pattern)
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if (font->pattern)
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FcPatternDestroy(font->pattern);
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XftFontClose(font->dpy, font->xfont);
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free(font);
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}
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Clr *
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drw_clr_create(Drw *drw, const char *clrname) {
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drw_clr_create(Drw *drw, const char *clrname)
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{
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Clr *clr;
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Colormap cmap;
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Visual *vis;
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if(!drw)
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return NULL;
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clr = (Clr *)calloc(1, sizeof(Clr));
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if(!clr)
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return NULL;
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cmap = DefaultColormap(drw->dpy, drw->screen);
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vis = DefaultVisual(drw->dpy, drw->screen);
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if(!XftColorAllocName(drw->dpy, vis, cmap, clrname, &clr->rgb))
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clr = ecalloc(1, sizeof(Clr));
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if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
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DefaultColormap(drw->dpy, drw->screen),
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clrname, &clr->rgb))
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die("error, cannot allocate color '%s'\n", clrname);
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clr->pix = clr->rgb.pixel;
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return clr;
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}
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void
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drw_clr_free(Clr *clr) {
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if(clr)
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drw_clr_free(Clr *clr)
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{
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free(clr);
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}
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void
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drw_setscheme(Drw *drw, ClrScheme *scheme) {
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if(drw && scheme)
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drw_setscheme(Drw *drw, ClrScheme *scheme)
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{
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drw->scheme = scheme;
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}
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void
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drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert) {
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int dx;
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if(!drw || !drw->fontcount || !drw->scheme)
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drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert)
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{
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if (!drw->scheme)
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return;
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix);
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dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4;
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if(filled)
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx+1, dx+1);
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else if(empty)
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XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx, dx);
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if (filled)
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w + 1, h + 1);
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else if (empty)
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XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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}
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int
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drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert) {
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drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert)
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{
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char buf[1024];
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int tx, ty, th;
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Extnts tex;
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Colormap cmap;
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Visual *vis;
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XftDraw *d;
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XftDraw *d = NULL;
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Fnt *curfont, *nextfont;
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size_t i, len;
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int utf8strlen, utf8charlen, render;
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@ -235,23 +236,18 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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XftResult result;
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int charexists = 0;
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if (!drw->scheme || !drw->fontcount)
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return 0;
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if (!(render = x || y || w || h)) {
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w = ~w;
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}
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if (!drw || !drw->scheme) {
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return 0;
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} else if (render) {
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->pix : drw->scheme->bg->pix);
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} else {
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XSetForeground(drw->dpy, drw->gc, invert ?
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drw->scheme->fg->pix : drw->scheme->bg->pix);
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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}
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if (!text || !drw->fontcount) {
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return 0;
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} else if (render) {
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cmap = DefaultColormap(drw->dpy, drw->screen);
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vis = DefaultVisual(drw->dpy, drw->screen);
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d = XftDrawCreate(drw->dpy, drw->drawable, vis, cmap);
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d = XftDrawCreate(drw->dpy, drw->drawable,
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DefaultVisual(drw->dpy, drw->screen),
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DefaultColormap(drw->dpy, drw->screen));
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}
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curfont = drw->fonts[0];
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@ -274,24 +270,23 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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}
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}
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if (!charexists || (nextfont && nextfont != curfont)) {
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if (!charexists || (nextfont && nextfont != curfont))
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break;
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} else {
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else
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charexists = 0;
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}
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}
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if (utf8strlen) {
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drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
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/* shorten text if necessary */
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for(len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
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for (len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
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drw_font_getexts(curfont, utf8str, len, &tex);
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if (len) {
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memcpy(buf, utf8str, len);
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buf[len] = '\0';
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if(len < utf8strlen)
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for(i = len; i && i > len - 3; buf[--i] = '.');
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if (len < utf8strlen)
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for (i = len; i && i > len - 3; buf[--i] = '.');
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if (render) {
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th = curfont->ascent + curfont->descent;
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@ -299,7 +294,6 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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tx = x + (h / 2);
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XftDrawStringUtf8(d, invert ? &drw->scheme->bg->rgb : &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
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}
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x += tex.w;
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w -= tex.w;
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}
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@ -316,18 +310,16 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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*/
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charexists = 1;
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if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
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if (drw->fontcount >= DRW_FONT_CACHE_SIZE)
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continue;
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}
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fccharset = FcCharSetCreate();
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FcCharSetAddChar(fccharset, utf8codepoint);
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if (!drw->fonts[0]->pattern) {
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/* Refer to the comment in drw_font_xcreate for more
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* information.
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*/
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die("The first font in the cache must be loaded from a font string.\n");
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* information. */
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die("the first font in the cache must be loaded from a font string.\n");
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}
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fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
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@ -346,65 +338,60 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
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drw->fonts[drw->fontcount++] = curfont;
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} else {
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if (curfont) {
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drw_font_free(curfont);
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}
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curfont = drw->fonts[0];
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}
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}
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}
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}
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if (render) {
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if (d)
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XftDrawDestroy(d);
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}
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return x;
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}
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void
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drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) {
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if(!drw)
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return;
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drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
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{
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XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
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XSync(drw->dpy, False);
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}
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void
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drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex) {
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drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex)
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{
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XGlyphInfo ext;
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if(!font || !text)
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return;
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XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
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tex->h = font->h;
|
||||
tex->w = ext.xOff;
|
||||
}
|
||||
|
||||
unsigned int
|
||||
drw_font_getexts_width(Fnt *font, const char *text, unsigned int len) {
|
||||
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;
|
||||
}
|
||||
|
||||
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)
|
||||
return NULL;
|
||||
cur = ecalloc(1, sizeof(Cur));
|
||||
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);
|
||||
|
|
|
|||
34
drw.h
34
drw.h
|
|
@ -43,32 +43,32 @@ typedef struct {
|
|||
} Extnts;
|
||||
|
||||
/* Drawable abstraction */
|
||||
Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
|
||||
void drw_resize(Drw *drw, unsigned int w, unsigned int h);
|
||||
void drw_free(Drw *drw);
|
||||
Drw *drw_create(Display *, int, Window, unsigned int, unsigned int);
|
||||
void drw_resize(Drw *, unsigned int, unsigned int);
|
||||
void drw_free(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 *extnts);
|
||||
unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int len);
|
||||
Fnt *drw_font_create(Drw *, const char *);
|
||||
void drw_load_fonts(Drw *, const char *[], size_t);
|
||||
void drw_font_free(Fnt *);
|
||||
void drw_font_getexts(Fnt *, const char *, unsigned int, Extnts *);
|
||||
unsigned int drw_font_getexts_width(Fnt *, const char *, unsigned int);
|
||||
|
||||
/* Colour abstraction */
|
||||
Clr *drw_clr_create(Drw *drw, const char *clrname);
|
||||
void drw_clr_free(Clr *clr);
|
||||
Clr *drw_clr_create(Drw *, const char *);
|
||||
void drw_clr_free(Clr *);
|
||||
|
||||
/* Cursor abstraction */
|
||||
Cur *drw_cur_create(Drw *drw, int shape);
|
||||
void drw_cur_free(Drw *drw, Cur *cursor);
|
||||
Cur *drw_cur_create(Drw *, int);
|
||||
void drw_cur_free(Drw *, Cur *);
|
||||
|
||||
/* Drawing context manipulation */
|
||||
void drw_setfont(Drw *drw, Fnt *font);
|
||||
void drw_setscheme(Drw *drw, ClrScheme *scheme);
|
||||
void drw_setfont(Drw *, Fnt *);
|
||||
void drw_setscheme(Drw *, ClrScheme *);
|
||||
|
||||
/* Drawing functions */
|
||||
void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert);
|
||||
int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert);
|
||||
void drw_rect(Drw *, int, int, unsigned int, unsigned int, int, int, int);
|
||||
int drw_text(Drw *, int, int, unsigned int, unsigned int, const char *, int);
|
||||
|
||||
/* Map functions */
|
||||
void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h);
|
||||
void drw_map(Drw *, Window, int, int, unsigned int, unsigned int);
|
||||
|
|
|
|||
10
dwm.c
10
dwm.c
|
|
@ -689,10 +689,12 @@ dirtomon(int dir) {
|
|||
|
||||
void
|
||||
drawbar(Monitor *m) {
|
||||
int x, xx, w;
|
||||
int x, xx, w, dx;
|
||||
unsigned int i, occ = 0, urg = 0;
|
||||
Client *c;
|
||||
|
||||
dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4;
|
||||
|
||||
for(c = m->clients; c; c = c->next) {
|
||||
occ |= c->tags;
|
||||
if(c->isurgent)
|
||||
|
|
@ -703,7 +705,7 @@ drawbar(Monitor *m) {
|
|||
w = TEXTW(tags[i]);
|
||||
drw_setscheme(drw, m->tagset[m->seltags] & 1 << i ? &scheme[SchemeSel] : &scheme[SchemeNorm]);
|
||||
drw_text(drw, x, 0, w, bh, tags[i], urg & 1 << i);
|
||||
drw_rect(drw, x, 0, w, bh, m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
|
||||
drw_rect(drw, x + 1, 1, dx, dx, m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
|
||||
occ & 1 << i, urg & 1 << i);
|
||||
x += w;
|
||||
}
|
||||
|
|
@ -728,11 +730,11 @@ drawbar(Monitor *m) {
|
|||
if(m->sel) {
|
||||
drw_setscheme(drw, m == selmon ? &scheme[SchemeSel] : &scheme[SchemeNorm]);
|
||||
drw_text(drw, x, 0, w, bh, m->sel->name, 0);
|
||||
drw_rect(drw, x, 0, w, bh, m->sel->isfixed, m->sel->isfloating, 0);
|
||||
drw_rect(drw, x + 1, 1, dx, dx, m->sel->isfixed, m->sel->isfloating, 0);
|
||||
}
|
||||
else {
|
||||
drw_setscheme(drw, &scheme[SchemeNorm]);
|
||||
drw_text(drw, x, 0, w, bh, NULL, 0);
|
||||
drw_rect(drw, x, 0, w, bh, 1, 0, 1);
|
||||
}
|
||||
}
|
||||
drw_map(drw, m->barwin, 0, 0, m->ww, bh);
|
||||
|
|
|
|||
30
util.c
30
util.c
|
|
@ -2,16 +2,32 @@
|
|||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "util.h"
|
||||
|
||||
void
|
||||
die(const char *errstr, ...) {
|
||||
va_list ap;
|
||||
void *
|
||||
ecalloc(size_t nmemb, size_t size)
|
||||
{
|
||||
void *p;
|
||||
|
||||
va_start(ap, errstr);
|
||||
vfprintf(stderr, errstr, ap);
|
||||
va_end(ap);
|
||||
exit(EXIT_FAILURE);
|
||||
if (!(p = calloc(nmemb, size)))
|
||||
perror(NULL);
|
||||
return p;
|
||||
}
|
||||
|
||||
void
|
||||
die(const char *fmt, ...) {
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vfprintf(stderr, fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
|
||||
fputc(' ', stderr);
|
||||
perror(NULL);
|
||||
}
|
||||
|
||||
exit(1);
|
||||
}
|
||||
|
|
|
|||
1
util.h
1
util.h
|
|
@ -5,3 +5,4 @@
|
|||
#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
|
||||
|
||||
void die(const char *errstr, ...);
|
||||
void *ecalloc(size_t, size_t);
|
||||
|
|
|
|||
Loading…
Reference in a new issue