@ -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; | |||||
} |