@ -1,136 +0,0 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <ctype.h> | |||
#include <locale.h> | |||
#include <stdarg.h> | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include <string.h> | |||
#include <strings.h> | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
/* macros */ | |||
#define MIN(a, b) ((a) < (b) ? (a) : (b)) | |||
#define MAX(a, b) ((a) > (b) ? (a) : (b)) | |||
/* variables */ | |||
const char *progname; | |||
void | |||
cleanupdraw(DC *dc) { | |||
if(dc->font.set) | |||
XFreeFontSet(dc->dpy, dc->font.set); | |||
else | |||
XFreeFont(dc->dpy, dc->font.xfont); | |||
XFreePixmap(dc->dpy, dc->drawable); | |||
XFreeGC(dc->dpy, dc->gc); | |||
} | |||
void | |||
setupdraw(DC *dc, Window w) { | |||
XWindowAttributes wa; | |||
XGetWindowAttributes(dc->dpy, w, &wa); | |||
dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height, | |||
DefaultDepth(dc->dpy, DefaultScreen(dc->dpy))); | |||
dc->gc = XCreateGC(dc->dpy, w, 0, NULL); | |||
XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter); | |||
if(!dc->font.set) | |||
XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid); | |||
} | |||
void | |||
drawtext(DC *dc, const char *text, unsigned long col[ColLast]) { | |||
char buf[256]; | |||
int i, x, y, h, len, olen; | |||
XRectangle r = { dc->x, dc->y, dc->w, dc->h }; | |||
XSetForeground(dc->dpy, dc->gc, col[ColBG]); | |||
XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1); | |||
if(!text) | |||
return; | |||
olen = strlen(text); | |||
h = dc->font.height; | |||
y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent; | |||
x = dc->x + (h / 2); | |||
/* shorten text if necessary */ | |||
for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--); | |||
if(!len) | |||
return; | |||
memcpy(buf, text, len); | |||
if(len < olen) | |||
for(i = len; i && i > len - 3; buf[--i] = '.'); | |||
XSetForeground(dc->dpy, dc->gc, col[ColFG]); | |||
if(dc->font.set) | |||
XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len); | |||
else | |||
XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len); | |||
} | |||
void | |||
eprint(const char *fmt, ...) { | |||
va_list ap; | |||
fprintf(stderr, "%s: ", progname); | |||
va_start(ap, fmt); | |||
vfprintf(stderr, fmt, ap); | |||
va_end(ap); | |||
exit(EXIT_FAILURE); | |||
} | |||
unsigned long | |||
getcolor(DC *dc, const char *colstr) { | |||
Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy)); | |||
XColor color; | |||
if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color)) | |||
eprint("cannot allocate color '%s'\n", colstr); | |||
return color.pixel; | |||
} | |||
void | |||
initfont(DC *dc, const char *fontstr) { | |||
char *def, **missing = NULL; | |||
int i, n; | |||
if(!fontstr || !*fontstr) | |||
eprint("cannot load null font\n"); | |||
dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def); | |||
if(missing) | |||
XFreeStringList(missing); | |||
if(dc->font.set) { | |||
XFontStruct **xfonts; | |||
char **font_names; | |||
dc->font.ascent = dc->font.descent = 0; | |||
n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names); | |||
for(i = 0; i < n; i++) { | |||
dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent); | |||
dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent); | |||
xfonts++; | |||
} | |||
} | |||
else { | |||
if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr)) | |||
&& !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed"))) | |||
eprint("cannot load font '%s'\n", fontstr); | |||
dc->font.ascent = dc->font.xfont->ascent; | |||
dc->font.descent = dc->font.xfont->descent; | |||
} | |||
dc->font.height = dc->font.ascent + dc->font.descent; | |||
} | |||
int | |||
textnw(DC *dc, const char *text, unsigned int len) { | |||
XRectangle r; | |||
if(dc->font.set) { | |||
XmbTextExtents(dc->font.set, text, len, NULL, &r); | |||
return r.width; | |||
} | |||
return XTextWidth(dc->font.xfont, text, len); | |||
} | |||
int | |||
textw(DC *dc, const char *text) { | |||
return textnw(dc, text, strlen(text)) + dc->font.height; | |||
} |
@ -0,0 +1,26 @@ | |||
# libdraw - dynamic drawing library | |||
# See LICENSE file for copyright and license details. | |||
include ../config.mk | |||
SRC = cleanupdraw.c setupdraw.c drawtext.c eprint.c getcolor.c initfont.c \ | |||
textnw.c textw.c | |||
OBJ = ${SRC:.c=.o} | |||
all: libdraw.a | |||
.c.o: | |||
@echo CC $< | |||
@${CC} -c ${CFLAGS} $< | |||
${OBJ}: ../config.mk draw.h | |||
libdraw.a: ${OBJ} | |||
@echo AR $@ | |||
@ar cr $@ $+ | |||
clean: | |||
@echo cleaning libdraw | |||
@rm -f libdraw.a ${OBJ} | |||
.PHONY: all options clean |
@ -0,0 +1,13 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
void | |||
cleanupdraw(DC *dc) { | |||
if(dc->font.set) | |||
XFreeFontSet(dc->dpy, dc->font.set); | |||
else | |||
XFreeFont(dc->dpy, dc->font.xfont); | |||
XFreePixmap(dc->dpy, dc->drawable); | |||
XFreeGC(dc->dpy, dc->gc); | |||
} |
@ -0,0 +1,34 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <string.h> | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
#define MIN(a, b) ((a) < (b) ? (a) : (b)) | |||
void | |||
drawtext(DC *dc, const char *text, unsigned long col[ColLast]) { | |||
char buf[256]; | |||
int i, x, y, h, len, olen; | |||
XRectangle r = { dc->x, dc->y, dc->w, dc->h }; | |||
XSetForeground(dc->dpy, dc->gc, col[ColBG]); | |||
XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1); | |||
if(!text) | |||
return; | |||
olen = strlen(text); | |||
h = dc->font.height; | |||
y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent; | |||
x = dc->x + (h / 2); | |||
/* shorten text if necessary */ | |||
for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--); | |||
if(!len) | |||
return; | |||
memcpy(buf, text, len); | |||
if(len < olen) | |||
for(i = len; i && i > len - 3; buf[--i] = '.'); | |||
XSetForeground(dc->dpy, dc->gc, col[ColFG]); | |||
if(dc->font.set) | |||
XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len); | |||
else | |||
XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len); | |||
} |
@ -0,0 +1,18 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <stdarg.h> | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include "draw.h" | |||
const char *progname; | |||
void | |||
eprint(const char *fmt, ...) { | |||
va_list ap; | |||
fprintf(stderr, "%s: ", progname); | |||
va_start(ap, fmt); | |||
vfprintf(stderr, fmt, ap); | |||
va_end(ap); | |||
exit(EXIT_FAILURE); | |||
} |
@ -0,0 +1,13 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
unsigned long | |||
getcolor(DC *dc, const char *colstr) { | |||
Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy)); | |||
XColor color; | |||
if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color)) | |||
eprint("cannot allocate color '%s'\n", colstr); | |||
return color.pixel; | |||
} |
@ -0,0 +1,36 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
#define MAX(a, b) ((a) > (b) ? (a) : (b)) | |||
void | |||
initfont(DC *dc, const char *fontstr) { | |||
char *def, **missing = NULL; | |||
int i, n; | |||
if(!fontstr || !*fontstr) | |||
eprint("cannot load null font\n"); | |||
dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def); | |||
if(missing) | |||
XFreeStringList(missing); | |||
if(dc->font.set) { | |||
XFontStruct **xfonts; | |||
char **font_names; | |||
dc->font.ascent = dc->font.descent = 0; | |||
n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names); | |||
for(i = 0; i < n; i++) { | |||
dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent); | |||
dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent); | |||
xfonts++; | |||
} | |||
} | |||
else { | |||
if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr)) | |||
&& !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed"))) | |||
eprint("cannot load font '%s'\n", fontstr); | |||
dc->font.ascent = dc->font.xfont->ascent; | |||
dc->font.descent = dc->font.xfont->descent; | |||
} | |||
dc->font.height = dc->font.ascent + dc->font.descent; | |||
} |
@ -0,0 +1,16 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
void | |||
setupdraw(DC *dc, Window w) { | |||
XWindowAttributes wa; | |||
XGetWindowAttributes(dc->dpy, w, &wa); | |||
dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height, | |||
DefaultDepth(dc->dpy, DefaultScreen(dc->dpy))); | |||
dc->gc = XCreateGC(dc->dpy, w, 0, NULL); | |||
XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter); | |||
if(!dc->font.set) | |||
XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid); | |||
} |
@ -0,0 +1,14 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
int | |||
textnw(DC *dc, const char *text, unsigned int len) { | |||
XRectangle r; | |||
if(dc->font.set) { | |||
XmbTextExtents(dc->font.set, text, len, NULL, &r); | |||
return r.width; | |||
} | |||
return XTextWidth(dc->font.xfont, text, len); | |||
} |
@ -0,0 +1,9 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <string.h> | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
int | |||
textw(DC *dc, const char *text) { | |||
return textnw(dc, text, strlen(text)) + dc->font.height; | |||
} |