647 lines
16 KiB
C
647 lines
16 KiB
C
/* spmenu - fancy dynamic menu
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*
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* If you're looking for functions used to draw text, see 'libs/draw.c'
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* If you're looking for wrapper functions used inside the draw functions, see 'libs/libdrw/drw.c'
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* If you're looking for functions used to draw images, see 'libs/img.c'
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* If you're looking for the .Xresources array, see 'libs/x11/xresources.h'
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*
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* You don't need to edit spmenu.c if you aren't making big changes to the software.
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*
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* After making changes, run `./build.sh` to attempt to build the software.
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* `scripts/make/generate-docs.sh` will generate a man page from 'docs/docs.md', which is a Markdown document. Run this before commiting.
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*
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* See LICENSE file for copyright and license details.
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*/
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#include <ctype.h>
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#include <locale.h>
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#include <math.h>
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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 <strings.h>
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#include <time.h>
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#include <unistd.h>
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// check if we should enable right to left language support
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#ifndef RTL
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#define USERTL 0
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#else
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#define USERTL 1
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#endif
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// check if we should enable pango or use xft
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#ifndef PANGO
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#define USEPANGO 0
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#else
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#define USEPANGO 1
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#endif
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// check if we should enable image support
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#ifndef IMAGE
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#define USEIMAGE 0
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#else
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#define USEIMAGE 1
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#endif
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// check if we should enable multimonitor support using libXinerama
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#ifndef XINERAMA
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#define USEXINERAMA 0
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#else
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#define USEXINERAMA 1
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#endif
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// check if we should enable config file support using libconfig
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#ifndef CONFIG
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#define USECONFIG 0
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#else
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#define USECONFIG 1
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#endif
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// check if we should enable .Xresources support
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#ifndef XRESOURCES
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#define USEXRESOURCES 0
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#else
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#define USEXRESOURCES 1
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#endif
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#ifndef VERSION
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#define VERSION "unknown"
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#endif
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// include fribidi used for right to left language support
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#if USERTL
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#include <fribidi.h>
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#endif
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// include libraries used for image support
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#if USEIMAGE
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#include <errno.h>
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#include <pwd.h>
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#include <Imlib2.h>
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#include <openssl/md5.h>
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// openssl is used to generate a checksum, used for caching
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// TODO: remove this dependency by doing it some other way
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#endif
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// include xinerama used for multi monitor support
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#if USEXINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif
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// include X11 headers
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#include <X11/XKBlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/keysym.h>
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#include <X11/Xutil.h>
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#include <X11/Xproto.h>
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#include <X11/extensions/Xrender.h>
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// include xresources
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#if USEXRESOURCES
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#include <X11/Xresource.h>
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#endif
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// include pango used for markup
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#if USEPANGO
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#include <pango/pango.h>
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#endif
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// include macros and other defines
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#include "libs/define.c"
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// mode
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static char modetext[16] = "Insert"; // default mode text
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static int curMode = 1; // 0 is command mode
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static int allowkeys = 1; // whether or not to interpret a keypress as an insertion
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// various headers
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#include "libs/libdrw/drw.h"
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#include "libs/sl/main.h"
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#include "libs/x11/init.h"
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#include "libs/draw.h"
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#include "libs/stream.h"
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#include "libs/schemes.h"
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#include "libs/arg.h"
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#include "libs/x11/xrdb.h"
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#include "libs/x11/key.h"
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#include "libs/x11/mouse.h"
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#include "libs/sort.h"
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#include "libs/history.h"
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// text
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static char text[BUFSIZ] = "";
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static char numbers[NUMBERSBUFSIZE] = "";
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// high priority
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static int hplength = 0;
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static char **hpitems = NULL;
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// embed
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static char *embed;
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// keybinds
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static int numlockmask = 0;
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static int capslockstate = 0;
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// height of each item, menu width, menu height
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static int bh, mw, mh;
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static int reallines = 0;
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static int inputw = 0;
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static int promptw;
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static int plw = 0;
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static int lrpad; // sum of left and right padding
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static int vp; // vertical padding for bar
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static int sp; // side padding for bar
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static int cursorstate = 1; // cursor state
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static int itemnumber = 0; // item number
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static size_t cursor;
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static struct item *items = NULL, *backup_items, *list_items;
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static struct item *matches, *matchend;
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static struct item *prev, *curr, *next, *sel;
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static int *sel_index = NULL;
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static unsigned int sel_size = 0;
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static int screen;
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static int itemn = 0;
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// item struct
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struct item {
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char *text;
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char *clntext;
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#if USEIMAGE
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char *image;
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#endif
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char *ex;
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struct item *left, *right;
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int hp;
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int index;
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double distance;
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};
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// image globals
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#if USEIMAGE
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static int flip = 0;
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static int rotation = 0;
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static int needredraw = 1;
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static int longestedge = 0;
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static int imagew = 0;
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static int imageh = 0;
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static int imageg = 0;
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static int ow = 0;
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static int oh = 0;
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#endif
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static int fullscreen = 0;
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// config file
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#if USECONFIG
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static int cconf = 0; // use custom config path?
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static int ctheme = 0; // use custom theme path?
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static char *argconf = NULL; // arg config path
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static char *argtheme = NULL; // arg theme path
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#endif
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// set an integer to 1 if we have rtl enabled, this saves a lot of lines and duplicate code
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#if USERTL
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static int isrtl = 1;
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#else
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static int isrtl = 0;
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#endif
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static int ignoreconfkeys = 0; // can be set globally if you don't want to override keybinds with config file keys
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static int ignoreglobalkeys = 0; // should be set in the config file, if 1, the Keys keys array is ignored
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static int ignoreconfmouse = 0; // same for mouse
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static int ignoreglobalmouse = 0; // same for mouse
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// X11 properties
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static Atom clip, utf8, types, dock;
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static Display *dpy;
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static Window root, parentwin, win;
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static XIC xic;
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// colors
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static int useargb = 0;
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static Visual *visual;
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static int depth;
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static Colormap cmap;
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static Drw *drw;
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static Clr **scheme;
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static Clr textclrs[256];
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// declare functions
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static int is_selected(size_t index);
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static void calcoffsets(void);
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static void recalculatenumbers(void);
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static void insert(const char *str, ssize_t n);
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static void cleanup(void);
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static void navigatehistfile(int dir);
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static void grabfocus(void);
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static void pastesel(void);
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static void appenditem(struct item *item, struct item **list, struct item **last);
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static void xinitvisual(void);
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static int max_textw(void);
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static size_t nextrune(int inc);
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static char **list;
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static size_t listsize;
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static int listcount;
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static int listchanged = 0;
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// user configuration
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#include "options.h"
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#include "keybinds.h"
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#include "mouse.h"
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// xresources/color arrays
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#include "libs/x11/xresources.h"
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#include "libs/colors.h"
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static char *fonts[] = { font };
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// config file
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#if USECONFIG
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#include "libs/conf/config.h"
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#include "libs/conf/config.c"
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#endif
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// matching
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static char * cistrstr(const char *s, const char *sub);
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static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
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static char *(*fstrstr)(const char *, const char *) = cistrstr;
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// include functions
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#include "libs/img.h"
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#include "libs/img.c"
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#include "libs/rtl.h"
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#include "libs/rtl.c"
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#include "libs/x11/key.c"
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#include "libs/x11/mouse.c"
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#include "libs/sort.c"
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#include "libs/draw.c"
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#include "libs/schemes.c"
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#include "libs/argv.h"
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#include "libs/argv.c"
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#include "libs/x11/xrdb.c"
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#include "libs/x11/client.h"
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#include "libs/x11/client.c"
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#include "libs/match.h"
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#include "libs/match.c"
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#include "libs/history.c"
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#include "libs/arg.c"
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#include "libs/stream.c"
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#include "libs/event.h"
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#include "libs/event.c"
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#include "libs/x11/init.c"
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int is_selected(size_t index) {
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for (int i = 0; i < sel_size; i++) {
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if (sel_index[i] == index) {
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return 1;
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}
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}
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return 0;
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}
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void appenditem(struct item *item, struct item **list, struct item **last) {
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if (*last)
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(*last)->right = item;
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else
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*list = item;
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item->left = *last;
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item->right = NULL;
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*last = item;
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}
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void recalculatenumbers(void) {
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unsigned int numer = 0, denom = 0, selected = 0;
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struct item *item;
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if (matchend) {
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numer++;
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// walk through items that match and add to numer
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for (item = matchend; item && item->left; item = item->left)
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numer++;
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}
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// walk through all items, matching or not and add to denom
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for (item = items; item && item->text; item++)
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denom++;
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for (int i = 0; i < sel_size; i++) {
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if (sel_index[i] == -1) {
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break;
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}
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selected++;
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}
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if (selected) {
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snprintf(numbers, NUMBERSBUFSIZE, "%d/%d/%d", numer, denom, selected);
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} else {
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snprintf(numbers, NUMBERSBUFSIZE, "%d/%d", numer, denom);
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}
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}
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void calcoffsets(void) {
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int i, n;
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if (lines > 0)
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n = lines * columns * bh;
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else { // no lines, therefore the size of items must be decreased to fit the menu elements
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int numberWidth = 0;
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int modeWidth = 0;
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int larrowWidth = 0;
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int rarrowWidth = 0;
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int capsWidth = 0;
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if (!hidematchcount) numberWidth = pango_numbers ? TEXTWM(numbers) : TEXTW(numbers);
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if (!hidemode) modeWidth = pango_mode ? TEXTWM(modetext) : TEXTW(modetext);
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if (!hidelarrow) larrowWidth = pango_leftarrow ? TEXTWM(leftarrow) : TEXTW(leftarrow);
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if (!hiderarrow) rarrowWidth = pango_rightarrow ? TEXTWM(rightarrow) : TEXTW(rightarrow);
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if (!hidecaps) capsWidth = pango_caps ? TEXTWM(capstext) : TEXTW(capstext);
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if (!strcmp(capstext, ""))
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capsWidth = 0;
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n = mw - (promptw + inputw + larrowWidth + rarrowWidth + modeWidth + numberWidth + capsWidth + menumarginv);
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}
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// calculate which items will begin the next page
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for (i = 0, next = curr; next; next = next->right)
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if ((i += (lines > 0) ? bh : MIN(TEXTWM(next->text), n)) > n)
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break;
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// calculate which items will begin the previous page
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for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
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if ((i += (lines > 0) ? bh : MIN(TEXTWM(prev->left->text), n)) > n)
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break;
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}
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int max_textw(void) {
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int len = 0;
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for (struct item *item = items; item && item->text; item++)
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len = MAX(TEXTW(item->text), len);
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return len;
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}
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void cleanup(void) {
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size_t i;
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#if USEIMAGE
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cleanupimage(); // function frees images
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#endif
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XUngrabKey(dpy, AnyKey, AnyModifier, root); // ungrab keys
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// free color scheme
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for (i = 0; i < LENGTH(colors) + 1; i++)
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free(scheme[i]);
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// free high priority items
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for (i = 0; i < hplength; ++i)
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free(hpitems[i]);
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// free drawing and close the display
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drw_free(drw);
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XSync(dpy, False);
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XCloseDisplay(dpy);
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free(sel_index);
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}
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char * cistrstr(const char *h, const char *n) {
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size_t i;
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if (!n[0])
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return (char *)h;
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for (; *h; ++h) {
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for (i = 0; n[i] && tolower((unsigned char)n[i]) ==
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tolower((unsigned char)h[i]); ++i);
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if (n[i] == '\0')
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return (char *)h;
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}
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return NULL;
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}
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void grabfocus(void) {
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
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Window focuswin;
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int i, revertwin;
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XWindowAttributes wa;
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XSync(dpy, False);
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XGetWindowAttributes(dpy, win, &wa);
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for (i = 0; i < 100; ++i) {
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XGetInputFocus(dpy, &focuswin, &revertwin);
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if (focuswin == win)
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return;
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// if it's a client, we can't just steal all the input for ourselves
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if (managed) {
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if (wa.map_state == IsViewable) {
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XTextProperty prop;
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char *windowtitle = prompt != NULL ? prompt : "spmenu";
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Xutf8TextListToTextProperty(dpy, &windowtitle, 1, XUTF8StringStyle, &prop);
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XSetWMName(dpy, win, &prop);
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XSetTextProperty(dpy, win, &prop, XInternAtom(dpy, "_NET_WM_NAME", False));
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XFree(prop.value);
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}
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} else { // spmenu is not managed, and is very greedy
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if (wa.map_state == IsViewable) // it must be viewable first, otherwise we get a BadMatch error
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XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
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}
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nanosleep(&ts, NULL);
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}
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die("spmenu: cannot grab focus"); // not possible to grab focus, abort immediately
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}
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void insert(const char *str, ssize_t n) {
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if (strlen(text) + n > sizeof text - 1)
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return;
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static char l[BUFSIZ] = "";
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if (requirematch) memcpy(l, text, BUFSIZ);
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// move existing text out of the way, insert new text, and update cursor
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memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
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// update cursor
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if (n > 0 && str && n)
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memcpy(&text[cursor], str, n);
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// add to cursor position and continue matching
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cursor += n;
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match();
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if (!matches && requirematch) {
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memcpy(text, l, BUFSIZ);
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cursor -= n;
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match();
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}
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}
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size_t nextrune(int inc) {
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ssize_t n;
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// return location of next utf8 rune in the given direction (+1 or -1)
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for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
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;
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return n;
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}
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void pastesel(void) {
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char *p, *q;
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int di;
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unsigned long dl;
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Atom da;
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// we have been given the current selection, now insert it into input
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if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
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utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
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== Success && p) {
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insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); // insert selection
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XFree(p);
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}
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// draw the menu
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drawmenu();
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}
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void xinitvisual(void) {
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XVisualInfo *infos;
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XRenderPictFormat *fmt;
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int nitems;
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int i;
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// visual properties
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XVisualInfo tpl = {
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.screen = screen,
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.depth = 32,
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.class = TrueColor
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};
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long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
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infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
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visual = NULL;
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// create colormap
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for(i = 0; i < nitems; i ++) {
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fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
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if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
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visual = infos[i].visual;
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depth = infos[i].depth;
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cmap = XCreateColormap(dpy, root, visual, AllocNone);
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useargb = 1;
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break;
|
|
}
|
|
}
|
|
|
|
XFree(infos);
|
|
|
|
// no alpha, reset to default
|
|
if (!visual || !alpha) {
|
|
visual = DefaultVisual(dpy, screen);
|
|
depth = DefaultDepth(dpy, screen);
|
|
cmap = DefaultColormap(dpy, screen);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
XWindowAttributes wa;
|
|
|
|
readargs(argc, argv); // start by reading arguments
|
|
|
|
#if USEIMAGE
|
|
longestedge = MAX(imagewidth, imageheight);
|
|
#endif
|
|
|
|
if (!type) {
|
|
mode = 0;
|
|
}
|
|
|
|
// set default mode, must be done before the event loop or keybindings will not work
|
|
if (mode) {
|
|
curMode = 1;
|
|
allowkeys = 1;
|
|
|
|
strcpy(modetext, instext);
|
|
} else {
|
|
curMode = 0;
|
|
allowkeys = !curMode;
|
|
|
|
strcpy(modetext, normtext);
|
|
}
|
|
|
|
if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
|
|
fputs("warning: no locale support\n", stderr); // invalid locale, so notify the user about it
|
|
|
|
if (!XSetLocaleModifiers(""))
|
|
fputs("warning: no locale modifiers support\n", stderr);
|
|
|
|
if (!(dpy = XOpenDisplay(NULL)))
|
|
die("spmenu: cannot open display"); // failed to open display
|
|
|
|
// set screen and root window
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
|
|
// parent window is the root window (ie. window manager) because we're not embedding
|
|
if (!embed || !(parentwin = strtol(embed, NULL, 0)))
|
|
parentwin = root;
|
|
|
|
if (!XGetWindowAttributes(dpy, parentwin, &wa))
|
|
die("spmenu: could not get embedding window attributes: 0x%lx", parentwin);
|
|
|
|
xinitvisual(); // init visual and create drawable after
|
|
drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap); // wrapper function creating a drawable
|
|
|
|
// load fonts
|
|
if (!drw_font_create(drw, fonts, LENGTH(fonts)))
|
|
die("no fonts could be loaded.");
|
|
|
|
// resize window
|
|
lrpad = drw->font->h + textpadding;
|
|
prepare_window_size(); // this function sets padding size
|
|
|
|
// pledge limits what programs can do, so here we specify what spmenu should be allowed to do
|
|
#ifdef __OpenBSD__
|
|
if (pledge("stdio rpath wpath cpath", NULL) == -1)
|
|
die("pledge");
|
|
#endif
|
|
|
|
loadhistory(); // read history entries
|
|
|
|
// fast (-f) means we grab keyboard before reading standard input
|
|
if (fast && !isatty(0)) {
|
|
grabkeyboard();
|
|
readstdin();
|
|
} else {
|
|
readstdin();
|
|
grabkeyboard();
|
|
}
|
|
|
|
// set default values
|
|
#if USEIMAGE
|
|
if (!imagew || !imageh || !imageg) {
|
|
imagew = imagewidth;
|
|
imageh = imageheight;
|
|
imagegaps = imagegaps;
|
|
}
|
|
#endif
|
|
|
|
init_appearance(); // init colorschemes by reading arrays
|
|
setupdisplay(); // set up display and create window
|
|
eventloop(); // function is a loop which checks X11 events and calls other functions accordingly
|
|
|
|
return 1; // should be unreachable
|
|
}
|