initial setup
This commit is contained in:
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64
Makefile
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64
Makefile
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# dmenu - dynamic menu
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# See LICENSE file for copyright and license details.
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include config.mk
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SRC = drw.c dmenu.c stest.c util.c
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OBJ = $(SRC:.c=.o)
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all: options dmenu stest
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options:
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@echo dmenu build options:
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@echo "CFLAGS = $(CFLAGS)"
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@echo "LDFLAGS = $(LDFLAGS)"
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@echo "CC = $(CC)"
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.c.o:
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$(CC) -c $(CFLAGS) $<
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config.h:
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cp config.def.h $@
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$(OBJ): arg.h config.h config.mk drw.h
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dmenu: dmenu.o drw.o util.o
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$(CC) -o $@ dmenu.o drw.o util.o $(LDFLAGS)
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stest: stest.o
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$(CC) -o $@ stest.o $(LDFLAGS)
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clean:
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rm -f dmenu stest $(OBJ) dmenu-$(VERSION).tar.gz
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dist: clean
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mkdir -p dmenu-$(VERSION)
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cp LICENSE Makefile README arg.h config.def.h config.mk dmenu.1\
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drw.h util.h dmenu_path dmenu_run stest.1 $(SRC)\
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dmenu-$(VERSION)
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tar -cf dmenu-$(VERSION).tar dmenu-$(VERSION)
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gzip dmenu-$(VERSION).tar
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rm -rf dmenu-$(VERSION)
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install: all
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mkdir -p $(DESTDIR)$(PREFIX)/bin
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cp -f dmenu dmenu_path dmenu_run stest $(DESTDIR)$(PREFIX)/bin
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chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu
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chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu_path
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chmod 755 $(DESTDIR)$(PREFIX)/bin/dmenu_run
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chmod 755 $(DESTDIR)$(PREFIX)/bin/stest
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mkdir -p $(DESTDIR)$(MANPREFIX)/man1
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sed "s/VERSION/$(VERSION)/g" < dmenu.1 > $(DESTDIR)$(MANPREFIX)/man1/dmenu.1
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sed "s/VERSION/$(VERSION)/g" < stest.1 > $(DESTDIR)$(MANPREFIX)/man1/stest.1
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chmod 644 $(DESTDIR)$(MANPREFIX)/man1/dmenu.1
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chmod 644 $(DESTDIR)$(MANPREFIX)/man1/stest.1
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uninstall:
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rm -f $(DESTDIR)$(PREFIX)/bin/dmenu\
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$(DESTDIR)$(PREFIX)/bin/dmenu_path\
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$(DESTDIR)$(PREFIX)/bin/dmenu_run\
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$(DESTDIR)$(PREFIX)/bin/stest\
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$(DESTDIR)$(MANPREFIX)/man1/dmenu.1\
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$(DESTDIR)$(MANPREFIX)/man1/stest.1
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.PHONY: all options clean dist install uninstall
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29
README
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29
README
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dmenu - dynamic menu
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====================
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dmenu is an efficient dynamic menu for X.
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Personal Adjustments
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--------------------
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This build has a history feature, can open a terminal window
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if command ends in "!" and is adjust to fit bar padding used in dwm.
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Requirements
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------------
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In order to build dmenu you need the Xlib header files.
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Installation
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------------
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Edit config.mk to match your local setup (dmenu is installed into
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the /usr/local namespace by default).
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Afterwards enter the following command to build and install dmenu
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(if necessary as root):
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make clean install
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Running dmenu
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-------------
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See the man page for details.
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23
config.def.h
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23
config.def.h
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/* See LICENSE file for copyright and license details. */
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/* Default settings; can be overriden by command line. */
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static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */
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/* -fn option overrides fonts[0]; default X11 font or font set */
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static const char *fonts[] = {
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"monospace:size=10"
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};
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static const char *prompt = NULL; /* -p option; prompt to the left of input field */
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static const char *colors[SchemeLast][2] = {
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/* fg bg */
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[SchemeNorm] = { "#bbbbbb", "#222222" },
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[SchemeSel] = { "#eeeeee", "#005577" },
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[SchemeOut] = { "#000000", "#00ffff" },
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};
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/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
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static unsigned int lines = 0;
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/*
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* Characters not considered part of a word while deleting words
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* for example: " /?\"&[]"
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*/
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static const char worddelimiters[] = " ";
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44
config.h
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44
config.h
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/* See LICENSE file for copyright and license details. */
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/* Default settings; can be overriden by command line. */
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static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */
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/* -fn option overrides fonts[0]; default X11 font or font set */
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static const char *fonts[] = {
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"monospace:size=13",
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"IPAGothic:size=13",
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"symbola:size=13"};
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static const char *prompt = NULL; /* -p option; prompt to the left of input field */
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static const char *colors[SchemeLast][2] = {
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/* fg bg */
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[SchemeNorm] = { "#d7d5d1", "#000000" },
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[SchemeSel] = { "#d7d5d1", "#7D7A63" },
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[SchemeOut] = { "#d7d5d1", "#96A3A8" },
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};
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//static const char *colors[SchemeLast][2] = {
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// /* fg bg */
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// [SchemeNorm] = { "#d3dae3", "#000000" },
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// [SchemeSel] = { "#d3dae3", "#718AAA" },
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// [SchemeOut] = { "#d3dae3", "#9DB1CE" },
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//};
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/*static const char *colors[SchemeLast][2] = {
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fg bg
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[SchemeNorm] = { "#bbbbbb", "#222222" },
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[SchemeSel] = { "#eeeeee", "#005577" },
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[SchemeOut] = { "#000000", "#00ffff" },
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};*/
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/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
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static unsigned int lines = 0;
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static const int vertpad = 10; /* vertical padding of bar */
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static const int sidepad = 20; /* horizontal padding of bar */
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/*
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* Characters not considered part of a word while deleting words
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* for example: " /?\"&[]"
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*/
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static const char worddelimiters[] = " ";
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31
config.mk
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config.mk
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# dmenu version
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VERSION = 4.9
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# paths
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PREFIX = /usr/local
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MANPREFIX = $(PREFIX)/share/man
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X11INC = /usr/X11R6/include
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X11LIB = /usr/X11R6/lib
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# Xinerama, comment if you don't want it
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XINERAMALIBS = -lXinerama
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XINERAMAFLAGS = -DXINERAMA
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# freetype
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FREETYPELIBS = -lfontconfig -lXft
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FREETYPEINC = /usr/include/freetype2
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# OpenBSD (uncomment)
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#FREETYPEINC = $(X11INC)/freetype2
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# includes and libs
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INCS = -I$(X11INC) -I$(FREETYPEINC)
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LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS)
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# flags
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CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XINERAMAFLAGS)
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CFLAGS = -std=c99 -pedantic -Wall -Os $(INCS) $(CPPFLAGS)
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LDFLAGS = $(LIBS)
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# compiler and linker
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CC = cc
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194
dmenu.1
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194
dmenu.1
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.TH DMENU 1 dmenu\-VERSION
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.SH NAME
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dmenu \- dynamic menu
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.SH SYNOPSIS
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.B dmenu
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.RB [ \-bfiv ]
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.RB [ \-l
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.IR lines ]
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.RB [ \-m
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.IR monitor ]
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.RB [ \-p
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.IR prompt ]
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.RB [ \-fn
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.IR font ]
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.RB [ \-nb
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.IR color ]
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.RB [ \-nf
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.IR color ]
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.RB [ \-sb
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.IR color ]
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.RB [ \-sf
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.IR color ]
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.RB [ \-w
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.IR windowid ]
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.P
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.BR dmenu_run " ..."
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.SH DESCRIPTION
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.B dmenu
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is a dynamic menu for X, which reads a list of newline\-separated items from
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stdin. When the user selects an item and presses Return, their choice is printed
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to stdout and dmenu terminates. Entering text will narrow the items to those
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matching the tokens in the input.
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.P
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.B dmenu_run
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is a script used by
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.IR dwm (1)
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which lists programs in the user's $PATH and runs the result in their $SHELL.
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.SH OPTIONS
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.TP
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.B \-b
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dmenu appears at the bottom of the screen.
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.TP
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.B \-f
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dmenu grabs the keyboard before reading stdin if not reading from a tty. This
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is faster, but will lock up X until stdin reaches end\-of\-file.
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.TP
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.B \-i
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dmenu matches menu items case insensitively.
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.TP
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.BI \-l " lines"
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dmenu lists items vertically, with the given number of lines.
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.TP
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.BI \-m " monitor"
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dmenu is displayed on the monitor number supplied. Monitor numbers are starting
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from 0.
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.TP
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.BI \-p " prompt"
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defines the prompt to be displayed to the left of the input field.
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.TP
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.BI \-fn " font"
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defines the font or font set used.
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.TP
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.BI \-nb " color"
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defines the normal background color.
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.IR #RGB ,
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.IR #RRGGBB ,
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and X color names are supported.
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.TP
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.BI \-nf " color"
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defines the normal foreground color.
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.TP
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.BI \-sb " color"
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defines the selected background color.
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.TP
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.BI \-sf " color"
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defines the selected foreground color.
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.TP
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.B \-v
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prints version information to stdout, then exits.
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.TP
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.BI \-w " windowid"
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embed into windowid.
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.SH USAGE
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dmenu is completely controlled by the keyboard. Items are selected using the
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arrow keys, page up, page down, home, and end.
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.TP
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.B Tab
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Copy the selected item to the input field.
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.TP
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.B Return
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Confirm selection. Prints the selected item to stdout and exits, returning
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success.
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.TP
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.B Ctrl-Return
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Confirm selection. Prints the selected item to stdout and continues.
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.TP
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.B Shift\-Return
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Confirm input. Prints the input text to stdout and exits, returning success.
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.TP
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.B Escape
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Exit without selecting an item, returning failure.
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.TP
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.B Ctrl-Left
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Move cursor to the start of the current word
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.TP
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.B Ctrl-Right
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Move cursor to the end of the current word
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.TP
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.B C\-a
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Home
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.TP
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.B C\-b
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Left
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.TP
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.B C\-c
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Escape
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.TP
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.B C\-d
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Delete
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.TP
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.B C\-e
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End
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.TP
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.B C\-f
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Right
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.TP
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.B C\-g
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Escape
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.TP
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.B C\-h
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Backspace
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.TP
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.B C\-i
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Tab
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.TP
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.B C\-j
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Return
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.TP
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.B C\-J
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Shift-Return
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.TP
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.B C\-k
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Delete line right
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.TP
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.B C\-m
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Return
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.TP
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.B C\-M
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Shift-Return
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.TP
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.B C\-n
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Down
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.TP
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.B C\-p
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Up
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.TP
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.B C\-u
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Delete line left
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.TP
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.B C\-w
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Delete word left
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.TP
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.B C\-y
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Paste from primary X selection
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.TP
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.B C\-Y
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Paste from X clipboard
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.TP
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.B M\-b
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Move cursor to the start of the current word
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.TP
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.B M\-f
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Move cursor to the end of the current word
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.TP
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.B M\-g
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Home
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.TP
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.B M\-G
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End
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.TP
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.B M\-h
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Up
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.TP
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.B M\-j
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Page down
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.TP
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.B M\-k
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Page up
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.TP
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.B M\-l
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Down
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.SH SEE ALSO
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.IR dwm (1),
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.IR stest (1)
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435
drw.c
Normal file
435
drw.c
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/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xft/Xft.h>
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#include "drw.h"
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#include "util.h"
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#define UTF_INVALID 0xFFFD
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#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);
|
||||||
|
}
|
||||||
57
drw.h
Normal file
57
drw.h
Normal file
@ -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);
|
||||||
Loading…
Reference in New Issue
Block a user