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sync updated drw code from dmenu

Browse Source 
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().
pull/1/head
Hiltjo Posthuma 9 years ago
parent e3b7e1d620
commit 646b351cc7
5 changed files with 164 additions and 158 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 239
      drw.c
  2. 34
      drw.h
  3. 10
      dwm.c
  4. 26
      util.c
  5. 1
      util.h

239
drw.c
Unescape View File

@ -17,50 +17,55 @@ static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000
static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
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 h) {
Drw *drw = (Drw *)calloc(1, sizeof(Drw));
if(!drw)
return NULL;
drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
{
Drw *drw;
drw = ecalloc(1, sizeof(Drw));
drw->dpy = dpy;
drw->screen = screen;
drw->root = root;
@ -70,26 +75,27 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
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)
return;
drw_resize(Drw *drw, unsigned int w, unsigned int h)
{
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(drw->dpy, drw->screen));
}
void
drw_free(Drw *drw) {
drw_free(Drw *drw)
{
size_t i;
for (i = 0; i < drw->fontcount; i++) {
for (i = 0; i < drw->fontcount; i++)
drw_font_free(drw->fonts[i]);
}
XFreePixmap(drw->dpy, drw->drawable);
XFreeGC(drw->dpy, drw->gc);
free(drw);
@ -99,14 +105,11 @@ drw_free(Drw *drw) {
* drw_font_create instead.
*/
static Fnt *
drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) {
drw_font_xcreate(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 yield same
@ -115,46 +118,50 @@ drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) {
* behaviour whereas the former just results in
* missing-character-rectangles being drawn, at least with some fonts.
*/
if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) ||
!(font->pattern = FcNameParse((FcChar8 *) fontname))) {
if (font->xfont) {
XftFontClose(drw->dpy, font->xfont);
font->xfont = NULL;
if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
return NULL;
}
if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
XftFontClose(drw->dpy, xfont);
return NULL;
}
} else if (fontpattern) {
if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
fprintf(stderr, "error, cannot load font pattern.\n");
} else {
font->pattern = NULL;
}
}
if (!font->xfont) {
free(font);
return NULL;
}
} else {
die("no font specified.\n");
}
font->ascent = font->xfont->ascent;
font->descent = font->xfont->descent;
font = ecalloc(1, sizeof(Fnt));
font->xfont = xfont;
font->pattern = pattern;
font->ascent = xfont->ascent;
font->descent = xfont->descent;
font->h = font->ascent + font->descent;
font->dpy = drw->dpy;
return font;
}
Fnt*
drw_font_create(Drw *drw, const char *fontname) {
drw_font_create(Drw *drw, const char *fontname)
{
return drw_font_xcreate(drw, fontname, NULL);
}
void
drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) {
drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount)
{
size_t i;
Fnt *font;
for (i = 0; i < fontcount; i++) {
if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
die("Font cache exhausted.\n");
die("font cache exhausted.\n");
} else if ((font = drw_font_xcreate(drw, fonts[i], NULL))) {
drw->fonts[drw->fontcount++] = font;
}
@ -162,68 +169,62 @@ drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) {
}
void
drw_font_free(Fnt *font) {
if(!font)
drw_font_free(Fnt *font)
{
if (!font)
return;
if(font->pattern)
if (font->pattern)
FcPatternDestroy(font->pattern);
XftFontClose(font->dpy, font->xfont);
free(font);
}
Clr *
drw_clr_create(Drw *drw, const char *clrname) {
drw_clr_create(Drw *drw, const char *clrname)
{
Clr *clr;
Colormap cmap;
Visual *vis;
if(!drw)
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))
clr = ecalloc(1, sizeof(Clr));
if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
DefaultColormap(drw->dpy, drw->screen),
clrname, &clr->rgb))
die("error, cannot allocate color '%s'\n", clrname);
clr->pix = clr->rgb.pixel;
return clr;
}
void
drw_clr_free(Clr *clr) {
if(clr)
drw_clr_free(Clr *clr)
{
free(clr);
}
void
drw_setscheme(Drw *drw, ClrScheme *scheme) {
if(drw && scheme)
drw_setscheme(Drw *drw, ClrScheme *scheme)
{
drw->scheme = scheme;
}
void
drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert) {
int dx;
if(!drw || !drw->fontcount || !drw->scheme)
drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert)
{
if (!drw->scheme)
return;
XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix);
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+1, dx+1);
else if(empty)
XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx, dx);
if (filled)
XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w + 1, h + 1);
else if (empty)
XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
}
int
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert) {
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert)
{
char buf[1024];
int tx, ty, th;
Extnts tex;
Colormap cmap;
Visual *vis;
XftDraw *d;
XftDraw *d = NULL;
Fnt *curfont, *nextfont;
size_t i, len;
int utf8strlen, utf8charlen, render;
@ -235,23 +236,18 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
XftResult result;
int charexists = 0;
if (!drw->scheme || !drw->fontcount)
return 0;
if (!(render = x || y || w || h)) {
w = ~w;
}
if (!drw || !drw->scheme) {
return 0;
} else if (render) {
XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->pix : drw->scheme->bg->pix);
} else {
XSetForeground(drw->dpy, drw->gc, invert ?
drw->scheme->fg->pix : drw->scheme->bg->pix);
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);
d = XftDrawCreate(drw->dpy, drw->drawable,
DefaultVisual(drw->dpy, drw->screen),
DefaultColormap(drw->dpy, drw->screen));
}
curfont = drw->fonts[0];
@ -274,24 +270,23 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
}
}
if (!charexists || (nextfont && nextfont != curfont)) {
if (!charexists || (nextfont && nextfont != curfont))
break;
} else {
else
charexists = 0;
}
}
if (utf8strlen) {
drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
/* shorten text if necessary */
for(len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
for (len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
drw_font_getexts(curfont, utf8str, len, &tex);
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[--i] = '.');
if (render) {
th = curfont->ascent + curfont->descent;
@ -299,7 +294,6 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
tx = x + (h / 2);
XftDrawStringUtf8(d, invert ? &drw->scheme->bg->rgb : &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
}
x += tex.w;
w -= tex.w;
}
@ -316,18 +310,16 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
*/
charexists = 1;
if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
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 for more
* information.
*/
die("The first font in the cache must be loaded from a font string.\n");
* information. */
die("the first font in the cache must be loaded from a font string.\n");
}
fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
@ -346,65 +338,60 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
drw->fonts[drw->fontcount++] = curfont;
} else {
if (curfont) {
drw_font_free(curfont);
}
curfont = drw->fonts[0];
}
}
}
}
if (render) {
if (d)
XftDrawDestroy(d);
}
return x;
}
void
drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) {
if(!drw)
return;
drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
{
XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
XSync(drw->dpy, False);
}
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, Extnts *tex)
{
XGlyphInfo ext;
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) {
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
Unescape View File

@ -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
Unescape View File

@ -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);

26
util.c
Unescape View File

@ -2,16 +2,32 @@
#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)))
perror(NULL);
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);
}
exit(1);
}

1
util.h
Unescape View File

@ -5,3 +5,4 @@
#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
void die(const char *errstr, ...);
void *ecalloc(size_t, size_t);

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