| @ -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; | |||||
| } | |||||