From 244a440be299bf9d2ce56d510a450ee97992a3a7 Mon Sep 17 00:00:00 2001 From: Alexander Bocken Date: Sun, 19 Apr 2020 16:19:11 +0200 Subject: [PATCH] initial setup --- Makefile | 64 ++++++++ README | 29 ++++ config.def.h | 23 +++ config.h | 44 ++++++ config.mk | 31 ++++ dmenu.1 | 194 +++++++++++++++++++++++ drw.c | 435 +++++++++++++++++++++++++++++++++++++++++++++++++++ drw.h | 57 +++++++ 8 files changed, 877 insertions(+) create mode 100644 Makefile create mode 100644 README create mode 100644 config.def.h create mode 100644 config.h create mode 100644 config.mk create mode 100644 dmenu.1 create mode 100644 drw.c create mode 100644 drw.h diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..a03a95c --- /dev/null +++ b/Makefile @@ -0,0 +1,64 @@ +# dmenu - dynamic menu +# See LICENSE file for copyright and license details. + +include config.mk + +SRC = drw.c dmenu.c stest.c util.c +OBJ = $(SRC:.c=.o) + +all: options dmenu stest + +options: + @echo dmenu build options: + @echo "CFLAGS = $(CFLAGS)" + @echo "LDFLAGS = $(LDFLAGS)" + @echo "CC = $(CC)" + +.c.o: + $(CC) -c $(CFLAGS) $< + +config.h: + cp config.def.h $@ + +$(OBJ): arg.h config.h config.mk drw.h + +dmenu: dmenu.o drw.o util.o + $(CC) -o $@ dmenu.o drw.o util.o $(LDFLAGS) + +stest: stest.o + $(CC) -o $@ stest.o $(LDFLAGS) + +clean: + rm -f dmenu stest $(OBJ) dmenu-$(VERSION).tar.gz + +dist: clean + mkdir -p dmenu-$(VERSION) + cp LICENSE Makefile README arg.h config.def.h config.mk dmenu.1\ + drw.h util.h dmenu_path dmenu_run stest.1 $(SRC)\ + dmenu-$(VERSION) + tar -cf dmenu-$(VERSION).tar dmenu-$(VERSION) + gzip dmenu-$(VERSION).tar + rm -rf dmenu-$(VERSION) + +install: all + mkdir -p $(DESTDIR)$(PREFIX)/bin + cp -f dmenu dmenu_path dmenu_run stest $(DESTDIR)$(PREFIX)/bin + chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu + chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu_path + chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu_run + chmod 755 $(DESTDIR)$(PREFIX)/bin/stest + mkdir -p $(DESTDIR)$(MANPREFIX)/man1 + sed "s/VERSION/$(VERSION)/g" < dmenu.1 > $(DESTDIR)$(MANPREFIX)/man1/dmenu.1 + sed "s/VERSION/$(VERSION)/g" < stest.1 > $(DESTDIR)$(MANPREFIX)/man1/stest.1 + chmod 644 $(DESTDIR)$(MANPREFIX)/man1/dmenu.1 + chmod 644 $(DESTDIR)$(MANPREFIX)/man1/stest.1 + +uninstall: + rm -f $(DESTDIR)$(PREFIX)/bin/dmenu\ + $(DESTDIR)$(PREFIX)/bin/dmenu_path\ + $(DESTDIR)$(PREFIX)/bin/dmenu_run\ + $(DESTDIR)$(PREFIX)/bin/stest\ + $(DESTDIR)$(MANPREFIX)/man1/dmenu.1\ + $(DESTDIR)$(MANPREFIX)/man1/stest.1 + +.PHONY: all options clean dist install uninstall diff --git a/README b/README new file mode 100644 index 0000000..e79f040 --- /dev/null +++ b/README @@ -0,0 +1,29 @@ +dmenu - dynamic menu +==================== +dmenu is an efficient dynamic menu for X. + +Personal Adjustments +-------------------- +This build has a history feature, can open a terminal window +if command ends in "!" and is adjust to fit bar padding used in dwm. + + +Requirements +------------ +In order to build dmenu you need the Xlib header files. + + +Installation +------------ +Edit config.mk to match your local setup (dmenu is installed into +the /usr/local namespace by default). + +Afterwards enter the following command to build and install dmenu +(if necessary as root): + + make clean install + + +Running dmenu +------------- +See the man page for details. diff --git a/config.def.h b/config.def.h new file mode 100644 index 0000000..1edb647 --- /dev/null +++ b/config.def.h @@ -0,0 +1,23 @@ +/* See LICENSE file for copyright and license details. */ +/* Default settings; can be overriden by command line. */ + +static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */ +/* -fn option overrides fonts[0]; default X11 font or font set */ +static const char *fonts[] = { + "monospace:size=10" +}; +static const char *prompt = NULL; /* -p option; prompt to the left of input field */ +static const char *colors[SchemeLast][2] = { + /* fg bg */ + [SchemeNorm] = { "#bbbbbb", "#222222" }, + [SchemeSel] = { "#eeeeee", "#005577" }, + [SchemeOut] = { "#000000", "#00ffff" }, +}; +/* -l option; if nonzero, dmenu uses vertical list with given number of lines */ +static unsigned int lines = 0; + +/* + * Characters not considered part of a word while deleting words + * for example: " /?\"&[]" + */ +static const char worddelimiters[] = " "; diff --git a/config.h b/config.h new file mode 100644 index 0000000..19017c9 --- /dev/null +++ b/config.h @@ -0,0 +1,44 @@ +/* See LICENSE file for copyright and license details. */ +/* Default settings; can be overriden by command line. */ + +static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */ +/* -fn option overrides fonts[0]; default X11 font or font set */ +static const char *fonts[] = { + "monospace:size=13", + "IPAGothic:size=13", + "symbola:size=13"}; +static const char *prompt = NULL; /* -p option; prompt to the left of input field */ + +static const char *colors[SchemeLast][2] = { + /* fg bg */ + [SchemeNorm] = { "#d7d5d1", "#000000" }, + [SchemeSel] = { "#d7d5d1", "#7D7A63" }, + [SchemeOut] = { "#d7d5d1", "#96A3A8" }, +}; + + + +//static const char *colors[SchemeLast][2] = { +// /* fg bg */ +// [SchemeNorm] = { "#d3dae3", "#000000" }, +// [SchemeSel] = { "#d3dae3", "#718AAA" }, +// [SchemeOut] = { "#d3dae3", "#9DB1CE" }, +//}; + +/*static const char *colors[SchemeLast][2] = { + fg bg + [SchemeNorm] = { "#bbbbbb", "#222222" }, + [SchemeSel] = { "#eeeeee", "#005577" }, + [SchemeOut] = { "#000000", "#00ffff" }, +};*/ + +/* -l option; if nonzero, dmenu uses vertical list with given number of lines */ +static unsigned int lines = 0; +static const int vertpad = 10; /* vertical padding of bar */ +static const int sidepad = 20; /* horizontal padding of bar */ + +/* + * Characters not considered part of a word while deleting words + * for example: " /?\"&[]" + */ +static const char worddelimiters[] = " "; diff --git a/config.mk b/config.mk new file mode 100644 index 0000000..0929b4a --- /dev/null +++ b/config.mk @@ -0,0 +1,31 @@ +# dmenu version +VERSION = 4.9 + +# paths +PREFIX = /usr/local +MANPREFIX = $(PREFIX)/share/man + +X11INC = /usr/X11R6/include +X11LIB = /usr/X11R6/lib + +# Xinerama, comment if you don't want it +XINERAMALIBS = -lXinerama +XINERAMAFLAGS = -DXINERAMA + +# freetype +FREETYPELIBS = -lfontconfig -lXft +FREETYPEINC = /usr/include/freetype2 +# OpenBSD (uncomment) +#FREETYPEINC = $(X11INC)/freetype2 + +# includes and libs +INCS = -I$(X11INC) -I$(FREETYPEINC) +LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS) + +# flags +CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XINERAMAFLAGS) +CFLAGS = -std=c99 -pedantic -Wall -Os $(INCS) $(CPPFLAGS) +LDFLAGS = $(LIBS) + +# compiler and linker +CC = cc diff --git a/dmenu.1 b/dmenu.1 new file mode 100644 index 0000000..323f93c --- /dev/null +++ b/dmenu.1 @@ -0,0 +1,194 @@ +.TH DMENU 1 dmenu\-VERSION +.SH NAME +dmenu \- dynamic menu +.SH SYNOPSIS +.B dmenu +.RB [ \-bfiv ] +.RB [ \-l +.IR lines ] +.RB [ \-m +.IR monitor ] +.RB [ \-p +.IR prompt ] +.RB [ \-fn +.IR font ] +.RB [ \-nb +.IR color ] +.RB [ \-nf +.IR color ] +.RB [ \-sb +.IR color ] +.RB [ \-sf +.IR color ] +.RB [ \-w +.IR windowid ] +.P +.BR dmenu_run " ..." +.SH DESCRIPTION +.B dmenu +is a dynamic menu for X, which reads a list of newline\-separated items from +stdin. When the user selects an item and presses Return, their choice is printed +to stdout and dmenu terminates. Entering text will narrow the items to those +matching the tokens in the input. +.P +.B dmenu_run +is a script used by +.IR dwm (1) +which lists programs in the user's $PATH and runs the result in their $SHELL. +.SH OPTIONS +.TP +.B \-b +dmenu appears at the bottom of the screen. +.TP +.B \-f +dmenu grabs the keyboard before reading stdin if not reading from a tty. This +is faster, but will lock up X until stdin reaches end\-of\-file. +.TP +.B \-i +dmenu matches menu items case insensitively. +.TP +.BI \-l " lines" +dmenu lists items vertically, with the given number of lines. +.TP +.BI \-m " monitor" +dmenu is displayed on the monitor number supplied. Monitor numbers are starting +from 0. +.TP +.BI \-p " prompt" +defines the prompt to be displayed to the left of the input field. +.TP +.BI \-fn " font" +defines the font or font set used. +.TP +.BI \-nb " color" +defines the normal background color. +.IR #RGB , +.IR #RRGGBB , +and X color names are supported. +.TP +.BI \-nf " color" +defines the normal foreground color. +.TP +.BI \-sb " color" +defines the selected background color. +.TP +.BI \-sf " color" +defines the selected foreground color. +.TP +.B \-v +prints version information to stdout, then exits. +.TP +.BI \-w " windowid" +embed into windowid. +.SH USAGE +dmenu is completely controlled by the keyboard. Items are selected using the +arrow keys, page up, page down, home, and end. +.TP +.B Tab +Copy the selected item to the input field. +.TP +.B Return +Confirm selection. Prints the selected item to stdout and exits, returning +success. +.TP +.B Ctrl-Return +Confirm selection. Prints the selected item to stdout and continues. +.TP +.B Shift\-Return +Confirm input. Prints the input text to stdout and exits, returning success. +.TP +.B Escape +Exit without selecting an item, returning failure. +.TP +.B Ctrl-Left +Move cursor to the start of the current word +.TP +.B Ctrl-Right +Move cursor to the end of the current word +.TP +.B C\-a +Home +.TP +.B C\-b +Left +.TP +.B C\-c +Escape +.TP +.B C\-d +Delete +.TP +.B C\-e +End +.TP +.B C\-f +Right +.TP +.B C\-g +Escape +.TP +.B C\-h +Backspace +.TP +.B C\-i +Tab +.TP +.B C\-j +Return +.TP +.B C\-J +Shift-Return +.TP +.B C\-k +Delete line right +.TP +.B C\-m +Return +.TP +.B C\-M +Shift-Return +.TP +.B C\-n +Down +.TP +.B C\-p +Up +.TP +.B C\-u +Delete line left +.TP +.B C\-w +Delete word left +.TP +.B C\-y +Paste from primary X selection +.TP +.B C\-Y +Paste from X clipboard +.TP +.B M\-b +Move cursor to the start of the current word +.TP +.B M\-f +Move cursor to the end of the current word +.TP +.B M\-g +Home +.TP +.B M\-G +End +.TP +.B M\-h +Up +.TP +.B M\-j +Page down +.TP +.B M\-k +Page up +.TP +.B M\-l +Down +.SH SEE ALSO +.IR dwm (1), +.IR stest (1) diff --git a/drw.c b/drw.c new file mode 100644 index 0000000..8fd1ca4 --- /dev/null +++ b/drw.c @@ -0,0 +1,435 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include +#include +#include + +#include "drw.h" +#include "util.h" + +#define UTF_INVALID 0xFFFD +#define UTF_SIZ 4 + +static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; +static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; +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]) + 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)) + *u = UTF_INVALID; + for (i = 1; *u > utfmax[i]; ++i) + ; + return i; +} + +static size_t +utf8decode(const char *c, long *u, size_t clen) +{ + size_t i, j, len, type; + long udecoded; + + *u = UTF_INVALID; + if (!clen) + return 0; + udecoded = utf8decodebyte(c[0], &len); + if (!BETWEEN(len, 1, UTF_SIZ)) + return 1; + for (i = 1, j = 1; i < clen && j < len; ++i, ++j) { + udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type); + if (type) + return j; + } + 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 = ecalloc(1, sizeof(Drw)); + + drw->dpy = dpy; + drw->screen = screen; + drw->root = root; + drw->w = w; + drw->h = h; + drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen)); + drw->gc = XCreateGC(dpy, root, 0, NULL); + 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->w = w; + drw->h = h; + 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) +{ + XFreePixmap(drw->dpy, drw->drawable); + XFreeGC(drw->dpy, drw->gc); + free(drw); +} + +/* This function is an implementation detail. Library users should use + * drw_fontset_create instead. + */ +static Fnt * +xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern) +{ + Fnt *font; + XftFont *xfont = NULL; + FcPattern *pattern = NULL; + + if (fontname) { + /* Using the pattern found at font->xfont->pattern does not yield the + * same substitution results as using the pattern returned by + * FcNameParse; using the latter results in the desired fallback + * behaviour whereas the former just results in missing-character + * rectangles being drawn, at least with some fonts. */ + if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) { + fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname); + return NULL; + } + if (!(pattern = FcNameParse((FcChar8 *) fontname))) { + fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n", fontname); + XftFontClose(drw->dpy, xfont); + return NULL; + } + } else if (fontpattern) { + if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) { + fprintf(stderr, "error, cannot load font from pattern.\n"); + return NULL; + } + } else { + die("no font specified."); + } + + /* Do not allow using color fonts. This is a workaround for a BadLength + * error from Xft with color glyphs. Modelled on the Xterm workaround. See + * https://bugzilla.redhat.com/show_bug.cgi?id=1498269 + * https://lists.suckless.org/dev/1701/30932.html + * https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916349 + * and lots more all over the internet. + */ + FcBool iscol; + if(FcPatternGetBool(xfont->pattern, FC_COLOR, 0, &iscol) == FcResultMatch && iscol) { + XftFontClose(drw->dpy, xfont); + return NULL; + } + + font = ecalloc(1, sizeof(Fnt)); + font->xfont = xfont; + font->pattern = pattern; + font->h = xfont->ascent + xfont->descent; + font->dpy = drw->dpy; + + return font; +} + +static void +xfont_free(Fnt *font) +{ + if (!font) + return; + if (font->pattern) + FcPatternDestroy(font->pattern); + XftFontClose(font->dpy, font->xfont); + free(font); +} + +Fnt* +drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount) +{ + Fnt *cur, *ret = NULL; + size_t i; + + if (!drw || !fonts) + return NULL; + + for (i = 1; i <= fontcount; i++) { + if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) { + cur->next = ret; + ret = cur; + } + } + return (drw->fonts = ret); +} + +void +drw_fontset_free(Fnt *font) +{ + if (font) { + drw_fontset_free(font->next); + xfont_free(font); + } +} + +void +drw_clr_create(Drw *drw, Clr *dest, const char *clrname) +{ + if (!drw || !dest || !clrname) + return; + + if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen), + DefaultColormap(drw->dpy, drw->screen), + clrname, dest)) + die("error, cannot allocate color '%s'", clrname); +} + +/* Wrapper to create color schemes. The caller has to call free(3) on the + * returned color scheme when done using it. */ +Clr * +drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount) +{ + size_t i; + Clr *ret; + + /* need at least two colors for a scheme */ + if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor)))) + return NULL; + + for (i = 0; i < clrcount; i++) + drw_clr_create(drw, &ret[i], clrnames[i]); + return ret; +} + +void +drw_setfontset(Drw *drw, Fnt *set) +{ + if (drw) + drw->fonts = set; +} + +void +drw_setscheme(Drw *drw, Clr *scm) +{ + if (drw) + drw->scheme = scm; +} + +void +drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert) +{ + if (!drw || !drw->scheme) + return; + XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel); + if (filled) + XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h); + else + XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1); +} + +int +drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert) +{ + char buf[1024]; + int ty; + unsigned int ew; + XftDraw *d = NULL; + Fnt *usedfont, *curfont, *nextfont; + size_t i, len; + int utf8strlen, utf8charlen, render = x || y || w || h; + long utf8codepoint = 0; + const char *utf8str; + FcCharSet *fccharset; + FcPattern *fcpattern; + FcPattern *match; + XftResult result; + int charexists = 0; + + if (!drw || (render && !drw->scheme) || !text || !drw->fonts) + return 0; + + if (!render) { + w = ~w; + } else { + XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel); + XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h); + d = XftDrawCreate(drw->dpy, drw->drawable, + DefaultVisual(drw->dpy, drw->screen), + DefaultColormap(drw->dpy, drw->screen)); + x += lpad; + w -= lpad; + } + + usedfont = drw->fonts; + while (1) { + utf8strlen = 0; + utf8str = text; + nextfont = NULL; + while (*text) { + utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ); + for (curfont = drw->fonts; curfont; curfont = curfont->next) { + charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint); + if (charexists) { + if (curfont == usedfont) { + utf8strlen += utf8charlen; + text += utf8charlen; + } else { + nextfont = curfont; + } + break; + } + } + + if (!charexists || nextfont) + break; + else + charexists = 0; + } + + if (utf8strlen) { + drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL); + /* shorten text if necessary */ + for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--) + drw_font_getexts(usedfont, utf8str, len, &ew, NULL); + + if (len) { + memcpy(buf, utf8str, len); + buf[len] = '\0'; + if (len < utf8strlen) + for (i = len; i && i > len - 3; buf[--i] = '.') + ; /* NOP */ + + if (render) { + ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent; + XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg], + usedfont->xfont, x, ty, (XftChar8 *)buf, len); + } + x += ew; + w -= ew; + } + } + + if (!*text) { + break; + } else if (nextfont) { + charexists = 0; + usedfont = nextfont; + } else { + /* Regardless of whether or not a fallback font is found, the + * character must be drawn. */ + charexists = 1; + + fccharset = FcCharSetCreate(); + FcCharSetAddChar(fccharset, utf8codepoint); + + if (!drw->fonts->pattern) { + /* Refer to the comment in xfont_create for more information. */ + die("the first font in the cache must be loaded from a font string."); + } + + fcpattern = FcPatternDuplicate(drw->fonts->pattern); + FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); + FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue); + FcPatternAddBool(fcpattern, FC_COLOR, FcFalse); + + FcConfigSubstitute(NULL, fcpattern, FcMatchPattern); + FcDefaultSubstitute(fcpattern); + match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result); + + FcCharSetDestroy(fccharset); + FcPatternDestroy(fcpattern); + + if (match) { + usedfont = xfont_create(drw, NULL, match); + if (usedfont && XftCharExists(drw->dpy, usedfont->xfont, utf8codepoint)) { + for (curfont = drw->fonts; curfont->next; curfont = curfont->next) + ; /* NOP */ + curfont->next = usedfont; + } else { + xfont_free(usedfont); + usedfont = drw->fonts; + } + } + } + } + if (d) + XftDrawDestroy(d); + + return x + (render ? w : 0); +} + +void +drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) +{ + if (!drw) + return; + + XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y); + XSync(drw->dpy, False); +} + +unsigned int +drw_fontset_getwidth(Drw *drw, const char *text) +{ + if (!drw || !drw->fonts || !text) + return 0; + return drw_text(drw, 0, 0, 0, 0, 0, text, 0); +} + +void +drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h) +{ + XGlyphInfo ext; + + if (!font || !text) + return; + + XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext); + if (w) + *w = ext.xOff; + if (h) + *h = font->h; +} + +Cur * +drw_cur_create(Drw *drw, int shape) +{ + Cur *cur; + + if (!drw || !(cur = ecalloc(1, sizeof(Cur)))) + return NULL; + + cur->cursor = XCreateFontCursor(drw->dpy, shape); + + return cur; +} + +void +drw_cur_free(Drw *drw, Cur *cursor) +{ + if (!cursor) + return; + + XFreeCursor(drw->dpy, cursor->cursor); + free(cursor); +} diff --git a/drw.h b/drw.h new file mode 100644 index 0000000..4c67419 --- /dev/null +++ b/drw.h @@ -0,0 +1,57 @@ +/* See LICENSE file for copyright and license details. */ + +typedef struct { + Cursor cursor; +} Cur; + +typedef struct Fnt { + Display *dpy; + unsigned int h; + XftFont *xfont; + FcPattern *pattern; + struct Fnt *next; +} Fnt; + +enum { ColFg, ColBg }; /* Clr scheme index */ +typedef XftColor Clr; + +typedef struct { + unsigned int w, h; + Display *dpy; + int screen; + Window root; + Drawable drawable; + GC gc; + Clr *scheme; + Fnt *fonts; +} Drw; + +/* 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); + +/* Fnt abstraction */ +Fnt *drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount); +void drw_fontset_free(Fnt* set); +unsigned int drw_fontset_getwidth(Drw *drw, const char *text); +void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h); + +/* Colorscheme abstraction */ +void drw_clr_create(Drw *drw, Clr *dest, const char *clrname); +Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount); + +/* Cursor abstraction */ +Cur *drw_cur_create(Drw *drw, int shape); +void drw_cur_free(Drw *drw, Cur *cursor); + +/* Drawing context manipulation */ +void drw_setfontset(Drw *drw, Fnt *set); +void drw_setscheme(Drw *drw, Clr *scm); + +/* Drawing functions */ +void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert); +int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert); + +/* Map functions */ +void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h);