dmenu: style improvements
- move main to bottom, usage above main.
- dont use variable names with function prototypes.
- space before if, for, while, etc: 'if(' -> 'if ('.
this makes the code-style more consistent
This commit is contained in:
Hiltjo Posthuma
parent
03cb1ec55a
commit
cf0fb79cd8
251
dmenu.c
251
dmenu.c
@ -35,16 +35,16 @@ struct Item {
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bool out;
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};
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static void appenditem(Item *item, Item **list, Item **last);
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static void appenditem(Item *, Item **, Item **);
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static void calcoffsets(void);
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static char *cistrstr(const char *s, const char *sub);
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static char *cistrstr(const char *, const char *);
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static void cleanup(void);
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static void drawmenu(void);
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static void grabkeyboard(void);
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static void insert(const char *str, ssize_t n);
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static void keypress(XKeyEvent *ev);
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static void insert(const char *, ssize_t);
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static void keypress(XKeyEvent *);
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static void match(void);
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static size_t nextrune(int inc);
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static size_t nextrune(int);
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static void paste(void);
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static void readstdin(void);
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static void run(void);
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@ -53,99 +53,30 @@ static void usage(void);
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static char text[BUFSIZ] = "";
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static int bh, mw, mh;
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static int sw, sh; /* X display screen geometry width, height */
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static int inputw, promptw;
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static size_t cursor = 0;
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static Atom clip, utf8;
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static size_t cursor;
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static Item *items = NULL;
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static Item *matches, *matchend;
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static Item *prev, *curr, *next, *sel;
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static Window win;
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static int mon = -1, screen;
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static Atom clip, utf8;
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static Display *dpy;
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static Window root, win;
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static XIC xic;
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static int mon = -1;
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static ClrScheme scheme[SchemeLast];
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static Display *dpy;
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static int screen;
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static Window root;
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static Drw *drw;
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static int sw, sh; /* X display screen geometry width, height */
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#include "config.h"
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static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
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static char *(*fstrstr)(const char *, const char *) = strstr;
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int
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main(int argc, char *argv[]) {
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bool fast = false;
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int i;
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for(i = 1; i < argc; i++)
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/* these options take no arguments */
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if(!strcmp(argv[i], "-v")) { /* prints version information */
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puts("dmenu-"VERSION", © 2006-2015 dmenu engineers, see LICENSE for details");
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exit(0);
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}
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else if(!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
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topbar = false;
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else if(!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
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fast = true;
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else if(!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
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fstrncmp = strncasecmp;
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fstrstr = cistrstr;
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}
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else if(i+1 == argc)
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usage();
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/* these options take one argument */
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else if(!strcmp(argv[i], "-l")) /* number of lines in vertical list */
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lines = atoi(argv[++i]);
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else if(!strcmp(argv[i], "-m"))
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mon = atoi(argv[++i]);
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else if(!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
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prompt = argv[++i];
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else if(!strcmp(argv[i], "-fn")) /* font or font set */
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fonts[0] = argv[++i];
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else if(!strcmp(argv[i], "-nb")) /* normal background color */
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normbgcolor = argv[++i];
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else if(!strcmp(argv[i], "-nf")) /* normal foreground color */
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normfgcolor = argv[++i];
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else if(!strcmp(argv[i], "-sb")) /* selected background color */
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selbgcolor = argv[++i];
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else if(!strcmp(argv[i], "-sf")) /* selected foreground color */
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selfgcolor = argv[++i];
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else
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usage();
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if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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fputs("warning: no locale support\n", stderr);
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if(!(dpy = XOpenDisplay(NULL)))
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die("dmenu: cannot open display\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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sw = DisplayWidth(dpy, screen);
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sh = DisplayHeight(dpy, screen);
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drw = drw_create(dpy, screen, root, sw, sh);
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drw_load_fonts(drw, fonts, LENGTH(fonts));
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if(!drw->fontcount)
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die("No fonts could be loaded.\n");
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drw_setscheme(drw, &scheme[SchemeNorm]);
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if(fast) {
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grabkeyboard();
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readstdin();
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}
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else {
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readstdin();
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grabkeyboard();
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}
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setup();
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run();
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return 1; /* unreachable */
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}
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void
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appenditem(Item *item, Item **list, Item **last) {
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static void
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appenditem(Item *item, Item **list, Item **last)
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{
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if (*last)
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(*last)->right = item;
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else
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@ -156,8 +87,9 @@ appenditem(Item *item, Item **list, Item **last) {
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*last = item;
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}
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void
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calcoffsets(void) {
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static void
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calcoffsets(void)
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{
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int i, n;
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if (lines > 0)
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@ -173,8 +105,9 @@ calcoffsets(void) {
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break;
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}
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void
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cleanup(void) {
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static void
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cleanup(void)
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{
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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drw_clr_free(scheme[SchemeNorm].bg);
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drw_clr_free(scheme[SchemeNorm].fg);
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@ -187,8 +120,9 @@ cleanup(void) {
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XCloseDisplay(dpy);
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}
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char *
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cistrstr(const char *s, const char *sub) {
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static char *
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cistrstr(const char *s, const char *sub)
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{
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size_t len;
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for (len = strlen(sub); *s; s++)
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@ -197,8 +131,9 @@ cistrstr(const char *s, const char *sub) {
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return NULL;
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}
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void
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drawmenu(void) {
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static void
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drawmenu(void)
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{
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int curpos;
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Item *item;
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int x = 0, y = 0, h = bh, w;
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@ -235,8 +170,7 @@ drawmenu(void) {
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drw_text(drw, x, y, w, bh, item->text, 0);
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}
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}
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else if(matches) {
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} else if (matches) {
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/* draw horizontal list */
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x += inputw;
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w = TEXTW("<");
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@ -266,8 +200,9 @@ drawmenu(void) {
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drw_map(drw, win, 0, 0, mw, mh);
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}
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void
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grabkeyboard(void) {
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static void
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grabkeyboard(void)
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{
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int i;
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/* try to grab keyboard, we may have to wait for another process to ungrab */
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@ -280,8 +215,9 @@ grabkeyboard(void) {
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die("cannot grab keyboard\n");
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}
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void
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insert(const char *str, ssize_t n) {
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static void
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insert(const char *str, ssize_t n)
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{
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if (strlen(text) + n > sizeof text - 1)
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return;
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/* move existing text out of the way, insert new text, and update cursor */
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@ -292,8 +228,9 @@ insert(const char *str, ssize_t n) {
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match();
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}
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void
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keypress(XKeyEvent *ev) {
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static void
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keypress(XKeyEvent *ev)
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{
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char buf[32];
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int len;
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KeySym ksym = NoSymbol;
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@ -461,8 +398,9 @@ keypress(XKeyEvent *ev) {
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drawmenu();
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}
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void
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match(void) {
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static void
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match(void)
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{
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static char **tokv = NULL;
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static int tokn = 0;
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@ -497,8 +435,7 @@ match(void) {
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if (matches) {
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matchend->right = lprefix;
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lprefix->left = matchend;
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}
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else
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} else
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matches = lprefix;
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matchend = prefixend;
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}
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@ -506,8 +443,7 @@ match(void) {
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if (matches) {
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matchend->right = lsubstr;
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lsubstr->left = matchend;
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}
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else
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} else
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matches = lsubstr;
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matchend = substrend;
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}
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@ -515,17 +451,20 @@ match(void) {
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calcoffsets();
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}
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size_t
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nextrune(int inc) {
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static size_t
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nextrune(int inc)
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{
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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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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
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paste(void) {
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static void
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paste(void)
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{
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char *p, *q;
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int di;
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unsigned long dl;
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@ -539,8 +478,9 @@ paste(void) {
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drawmenu();
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}
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void
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readstdin(void) {
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static void
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readstdin(void)
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{
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char buf[sizeof text], *p, *maxstr = NULL;
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size_t i, max = 0, size = 0;
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@ -563,8 +503,9 @@ readstdin(void) {
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lines = MIN(lines, i);
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}
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void
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run(void) {
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static void
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run(void)
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{
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XEvent ev;
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while (!XNextEvent(dpy, &ev)) {
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@ -590,8 +531,9 @@ run(void) {
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}
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}
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void
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setup(void) {
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static void
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setup(void)
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{
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int x, y;
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XSetWindowAttributes swa;
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XIM xim;
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@ -647,8 +589,7 @@ setup(void) {
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y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
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mw = info[i].width;
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XFree(info);
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}
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else
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} else
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#endif
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{
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x = 0;
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@ -678,9 +619,77 @@ setup(void) {
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drawmenu();
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}
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void
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usage(void) {
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static void
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usage(void)
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{
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fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
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" [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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bool fast = false;
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int i;
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for (i = 1; i < argc; i++)
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/* these options take no arguments */
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if (!strcmp(argv[i], "-v")) { /* prints version information */
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puts("dmenu-"VERSION);
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exit(0);
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} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
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topbar = false;
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else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
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fast = true;
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else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
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fstrncmp = strncasecmp;
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fstrstr = cistrstr;
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} else if (i + 1 == argc)
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usage();
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/* these options take one argument */
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else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
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lines = atoi(argv[++i]);
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else if (!strcmp(argv[i], "-m"))
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mon = atoi(argv[++i]);
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else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
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prompt = argv[++i];
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else if (!strcmp(argv[i], "-fn")) /* font or font set */
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fonts[0] = argv[++i];
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else if (!strcmp(argv[i], "-nb")) /* normal background color */
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normbgcolor = argv[++i];
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else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
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normfgcolor = argv[++i];
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else if (!strcmp(argv[i], "-sb")) /* selected background color */
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selbgcolor = argv[++i];
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else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
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selfgcolor = argv[++i];
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else
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usage();
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if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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fputs("warning: no locale support\n", stderr);
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if (!(dpy = XOpenDisplay(NULL)))
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die("cannot open display\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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sw = DisplayWidth(dpy, screen);
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sh = DisplayHeight(dpy, screen);
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drw = drw_create(dpy, screen, root, sw, sh);
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drw_load_fonts(drw, fonts, LENGTH(fonts));
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if (!drw->fontcount)
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die("no fonts could be loaded.\n");
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drw_setscheme(drw, &scheme[SchemeNorm]);
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if (fast) {
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grabkeyboard();
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readstdin();
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} else {
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readstdin();
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grabkeyboard();
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}
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setup();
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run();
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return 1; /* unreachable */
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}
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