792 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			792 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
| /* See LICENSE file for copyright and license details. */
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| #include <ctype.h>
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| #include <locale.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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| 
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| #include <X11/Xlib.h>
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| #include <X11/Xatom.h>
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| #include <X11/Xutil.h>
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| #ifdef XINERAMA
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| #include <X11/extensions/Xinerama.h>
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| #endif
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| #include <X11/Xft/Xft.h>
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| 
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| #include "drw.h"
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| #include "util.h"
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| 
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| /* macros */
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| #define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
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|                              * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
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| #define LENGTH(X)             (sizeof X / sizeof X[0])
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| #define TEXTW(X)              (drw_fontset_getwidth(drw, (X)) + lrpad)
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| 
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| /* enums */
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| enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
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| 
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| struct item {
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| 	char *text;
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| 	struct item *left, *right;
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| 	int out;
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| };
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| 
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| static char text[BUFSIZ] = "";
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| static char *embed;
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| static int bh, mw, mh;
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| static int inputw = 0, promptw;
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| static int lrpad; /* sum of left and right padding */
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| static size_t cursor;
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| static struct item *items = NULL;
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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 mon = -1, screen;
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| 
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| static Atom clip, utf8;
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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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| 
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| static Drw *drw;
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| static Clr *scheme[SchemeLast];
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| 
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| #include "config.h"
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| 
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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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| 
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| static unsigned int
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| textw_clamp(const char *str, unsigned int n)
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| {
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| 	unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad;
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| 	return MIN(w, n);
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| }
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| 
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| static void
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| appenditem(struct item *item, struct item **list, struct 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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| 		*list = item;
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| 
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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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| 
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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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| 
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| 	if (lines > 0)
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| 		n = lines * bh;
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| 	else
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| 		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
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| 	/* calculate which items will begin the next page and previous page */
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| 	for (i = 0, next = curr; next; next = next->right)
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| 		if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n)
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| 			break;
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| 	for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
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| 		if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n)
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| 			break;
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| }
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| 
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| static void
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| cleanup(void)
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| {
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| 	size_t i;
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| 
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| 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
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| 	for (i = 0; i < SchemeLast; i++)
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| 		free(scheme[i]);
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| 	for (i = 0; items && items[i].text; ++i)
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| 		free(items[i].text);
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| 	free(items);
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| 	drw_free(drw);
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| 	XSync(dpy, False);
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| 	XCloseDisplay(dpy);
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| }
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| 
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| static char *
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| cistrstr(const char *h, const char *n)
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| {
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| 	size_t i;
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| 
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| 	if (!n[0])
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| 		return (char *)h;
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| 
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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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| 			;
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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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| 
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| static int
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| drawitem(struct item *item, int x, int y, int w)
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| {
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| 	if (item == sel)
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| 		drw_setscheme(drw, scheme[SchemeSel]);
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| 	else if (item->out)
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| 		drw_setscheme(drw, scheme[SchemeOut]);
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| 	else
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| 		drw_setscheme(drw, scheme[SchemeNorm]);
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| 
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| 	return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
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| }
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| 
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| static void
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| drawmenu(void)
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| {
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| 	unsigned int curpos;
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| 	struct item *item;
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| 	int x = 0, y = 0, w;
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| 
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| 	drw_setscheme(drw, scheme[SchemeNorm]);
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| 	drw_rect(drw, 0, 0, mw, mh, 1, 1);
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| 
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| 	if (prompt && *prompt) {
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| 		drw_setscheme(drw, scheme[SchemeSel]);
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| 		x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
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| 	}
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| 	/* draw input field */
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| 	w = (lines > 0 || !matches) ? mw - x : inputw;
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| 	drw_setscheme(drw, scheme[SchemeNorm]);
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| 	drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
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| 
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| 	curpos = TEXTW(text) - TEXTW(&text[cursor]);
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| 	if ((curpos += lrpad / 2 - 1) < w) {
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| 		drw_setscheme(drw, scheme[SchemeNorm]);
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| 		drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
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| 	}
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| 
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| 	if (lines > 0) {
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| 		/* draw vertical list */
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| 		for (item = curr; item != next; item = item->right)
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| 			drawitem(item, x, y += bh, mw - x);
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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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| 		if (curr->left) {
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| 			drw_setscheme(drw, scheme[SchemeNorm]);
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| 			drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
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| 		}
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| 		x += w;
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| 		for (item = curr; item != next; item = item->right)
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| 			x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">")));
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| 		if (next) {
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| 			w = TEXTW(">");
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| 			drw_setscheme(drw, scheme[SchemeNorm]);
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| 			drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
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| 		}
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| 	}
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| 	drw_map(drw, win, 0, 0, mw, mh);
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| }
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| 
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| static void
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| grabfocus(void)
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| {
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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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| 
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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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| 		XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
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| 		nanosleep(&ts, NULL);
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| 	}
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| 	die("cannot grab focus");
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| }
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| 
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| static void
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| grabkeyboard(void)
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| {
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| 	struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };
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| 	int i;
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| 
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| 	if (embed)
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| 		return;
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| 	/* try to grab keyboard, we may have to wait for another process to ungrab */
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| 	for (i = 0; i < 1000; i++) {
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| 		if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
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| 		                  GrabModeAsync, CurrentTime) == GrabSuccess)
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| 			return;
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| 		nanosleep(&ts, NULL);
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| 	}
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| 	die("cannot grab keyboard");
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| }
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| 
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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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| 
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| 	char buf[sizeof text], *s;
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| 	int i, tokc = 0;
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| 	size_t len, textsize;
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| 	struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
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| 
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| 	strcpy(buf, text);
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| 	/* separate input text into tokens to be matched individually */
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| 	for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
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| 		if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
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| 			die("cannot realloc %zu bytes:", tokn * sizeof *tokv);
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| 	len = tokc ? strlen(tokv[0]) : 0;
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| 
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| 	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
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| 	textsize = strlen(text) + 1;
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| 	for (item = items; item && item->text; item++) {
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| 		for (i = 0; i < tokc; i++)
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| 			if (!fstrstr(item->text, tokv[i]))
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| 				break;
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| 		if (i != tokc) /* not all tokens match */
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| 			continue;
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| 		/* exact matches go first, then prefixes, then substrings */
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| 		if (!tokc || !fstrncmp(text, item->text, textsize))
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| 			appenditem(item, &matches, &matchend);
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| 		else if (!fstrncmp(tokv[0], item->text, len))
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| 			appenditem(item, &lprefix, &prefixend);
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| 		else
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| 			appenditem(item, &lsubstr, &substrend);
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| 	}
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| 	if (lprefix) {
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| 		if (matches) {
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| 			matchend->right = lprefix;
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| 			lprefix->left = matchend;
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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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| 	if (lsubstr) {
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| 		if (matches) {
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| 			matchend->right = lsubstr;
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| 			lsubstr->left = matchend;
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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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| 	curr = sel = matches;
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| 	calcoffsets();
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| }
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| 
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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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| 	memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
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| 	if (n > 0)
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| 		memcpy(&text[cursor], str, n);
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| 	cursor += n;
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| 	match();
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| }
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| 
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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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| 
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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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| 
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| static void
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| movewordedge(int dir)
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| {
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| 	if (dir < 0) { /* move cursor to the start of the word*/
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| 		while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
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| 			cursor = nextrune(-1);
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| 		while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
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| 			cursor = nextrune(-1);
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| 	} else { /* move cursor to the end of the word */
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| 		while (text[cursor] && strchr(worddelimiters, text[cursor]))
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| 			cursor = nextrune(+1);
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| 		while (text[cursor] && !strchr(worddelimiters, text[cursor]))
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| 			cursor = nextrune(+1);
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| 	}
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| }
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| 
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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;
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| 	Status status;
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| 
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| 	len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
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| 	switch (status) {
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| 	default: /* XLookupNone, XBufferOverflow */
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| 		return;
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| 	case XLookupChars:
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| 		goto insert;
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| 	case XLookupKeySym:
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| 	case XLookupBoth:
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| 		break;
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| 	}
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| 
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| 	if (ev->state & ControlMask) {
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| 		switch(ksym) {
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| 		case XK_a: ksym = XK_Home;      break;
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| 		case XK_b: ksym = XK_Left;      break;
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| 		case XK_c: ksym = XK_Escape;    break;
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| 		case XK_d: ksym = XK_Delete;    break;
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| 		case XK_e: ksym = XK_End;       break;
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| 		case XK_f: ksym = XK_Right;     break;
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| 		case XK_g: ksym = XK_Escape;    break;
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| 		case XK_h: ksym = XK_BackSpace; break;
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| 		case XK_i: ksym = XK_Tab;       break;
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| 		case XK_j: /* fallthrough */
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| 		case XK_J: /* fallthrough */
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| 		case XK_m: /* fallthrough */
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| 		case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
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| 		case XK_n: ksym = XK_Down;      break;
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| 		case XK_p: ksym = XK_Up;        break;
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| 
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| 		case XK_k: /* delete right */
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| 			text[cursor] = '\0';
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| 			match();
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| 			break;
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| 		case XK_u: /* delete left */
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| 			insert(NULL, 0 - cursor);
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| 			break;
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| 		case XK_w: /* delete word */
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| 			while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
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| 				insert(NULL, nextrune(-1) - cursor);
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| 			while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
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| 				insert(NULL, nextrune(-1) - cursor);
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| 			break;
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| 		case XK_y: /* paste selection */
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| 		case XK_Y:
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| 			XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
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| 			                  utf8, utf8, win, CurrentTime);
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| 			return;
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| 		case XK_Left:
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| 		case XK_KP_Left:
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| 			movewordedge(-1);
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| 			goto draw;
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| 		case XK_Right:
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| 		case XK_KP_Right:
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| 			movewordedge(+1);
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| 			goto draw;
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| 		case XK_Return:
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| 		case XK_KP_Enter:
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| 			break;
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| 		case XK_bracketleft:
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| 			cleanup();
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| 			exit(1);
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| 		default:
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| 			return;
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| 		}
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| 	} else if (ev->state & Mod1Mask) {
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| 		switch(ksym) {
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| 		case XK_b:
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| 			movewordedge(-1);
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| 			goto draw;
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| 		case XK_f:
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| 			movewordedge(+1);
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| 			goto draw;
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| 		case XK_g: ksym = XK_Home;  break;
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| 		case XK_G: ksym = XK_End;   break;
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| 		case XK_h: ksym = XK_Up;    break;
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| 		case XK_j: ksym = XK_Next;  break;
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| 		case XK_k: ksym = XK_Prior; break;
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| 		case XK_l: ksym = XK_Down;  break;
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| 		default:
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| 			return;
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| 		}
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| 	}
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| 
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| 	switch(ksym) {
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| 	default:
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| insert:
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| 		if (!iscntrl((unsigned char)*buf))
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| 			insert(buf, len);
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| 		break;
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| 	case XK_Delete:
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| 	case XK_KP_Delete:
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| 		if (text[cursor] == '\0')
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| 			return;
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| 		cursor = nextrune(+1);
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| 		/* fallthrough */
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| 	case XK_BackSpace:
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| 		if (cursor == 0)
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| 			return;
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| 		insert(NULL, nextrune(-1) - cursor);
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| 		break;
 | |
| 	case XK_End:
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| 	case XK_KP_End:
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| 		if (text[cursor] != '\0') {
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| 			cursor = strlen(text);
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| 			break;
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| 		}
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| 		if (next) {
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| 			/* jump to end of list and position items in reverse */
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| 			curr = matchend;
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| 			calcoffsets();
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| 			curr = prev;
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| 			calcoffsets();
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| 			while (next && (curr = curr->right))
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| 				calcoffsets();
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| 		}
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| 		sel = matchend;
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| 		break;
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| 	case XK_Escape:
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| 		cleanup();
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| 		exit(1);
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| 	case XK_Home:
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| 	case XK_KP_Home:
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| 		if (sel == matches) {
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| 			cursor = 0;
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| 			break;
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| 		}
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| 		sel = curr = matches;
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| 		calcoffsets();
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| 		break;
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| 	case XK_Left:
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| 	case XK_KP_Left:
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| 		if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
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| 			cursor = nextrune(-1);
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| 			break;
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| 		}
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| 		if (lines > 0)
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| 			return;
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| 		/* fallthrough */
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| 	case XK_Up:
 | |
| 	case XK_KP_Up:
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| 		if (sel && sel->left && (sel = sel->left)->right == curr) {
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| 			curr = prev;
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| 			calcoffsets();
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| 		}
 | |
| 		break;
 | |
| 	case XK_Next:
 | |
| 	case XK_KP_Next:
 | |
| 		if (!next)
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| 			return;
 | |
| 		sel = curr = next;
 | |
| 		calcoffsets();
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| 		break;
 | |
| 	case XK_Prior:
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| 	case XK_KP_Prior:
 | |
| 		if (!prev)
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| 			return;
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| 		sel = curr = prev;
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| 		calcoffsets();
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| 		break;
 | |
| 	case XK_Return:
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| 	case XK_KP_Enter:
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| 		puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
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| 		if (!(ev->state & ControlMask)) {
 | |
| 			cleanup();
 | |
| 			exit(0);
 | |
| 		}
 | |
| 		if (sel)
 | |
| 			sel->out = 1;
 | |
| 		break;
 | |
| 	case XK_Right:
 | |
| 	case XK_KP_Right:
 | |
| 		if (text[cursor] != '\0') {
 | |
| 			cursor = nextrune(+1);
 | |
| 			break;
 | |
| 		}
 | |
| 		if (lines > 0)
 | |
| 			return;
 | |
| 		/* fallthrough */
 | |
| 	case XK_Down:
 | |
| 	case XK_KP_Down:
 | |
| 		if (sel && sel->right && (sel = sel->right) == next) {
 | |
| 			curr = next;
 | |
| 			calcoffsets();
 | |
| 		}
 | |
| 		break;
 | |
| 	case XK_Tab:
 | |
| 		if (!sel)
 | |
| 			return;
 | |
| 		cursor = strnlen(sel->text, sizeof text - 1);
 | |
| 		memcpy(text, sel->text, cursor);
 | |
| 		text[cursor] = '\0';
 | |
| 		match();
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| draw:
 | |
| 	drawmenu();
 | |
| }
 | |
| 
 | |
| static void
 | |
| paste(void)
 | |
| {
 | |
| 	char *p, *q;
 | |
| 	int di;
 | |
| 	unsigned long dl;
 | |
| 	Atom da;
 | |
| 
 | |
| 	/* we have been given the current selection, now insert it into input */
 | |
| 	if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
 | |
| 	                   utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
 | |
| 	    == Success && p) {
 | |
| 		insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
 | |
| 		XFree(p);
 | |
| 	}
 | |
| 	drawmenu();
 | |
| }
 | |
| 
 | |
| static void
 | |
| readstdin(void)
 | |
| {
 | |
| 	char *line = NULL;
 | |
| 	size_t i, junk, size = 0;
 | |
| 	ssize_t len;
 | |
| 
 | |
| 	/* read each line from stdin and add it to the item list */
 | |
| 	for (i = 0; (len = getline(&line, &junk, stdin)) != -1; i++, line = NULL) {
 | |
| 		if (i + 1 >= size / sizeof *items)
 | |
| 			if (!(items = realloc(items, (size += BUFSIZ))))
 | |
| 				die("cannot realloc %zu bytes:", size);
 | |
| 		if (line[len - 1] == '\n')
 | |
| 			line[len - 1] = '\0';
 | |
| 		items[i].text = line;
 | |
| 		items[i].out = 0;
 | |
| 	}
 | |
| 	if (items)
 | |
| 		items[i].text = NULL;
 | |
| 	lines = MIN(lines, i);
 | |
| }
 | |
| 
 | |
| static void
 | |
| run(void)
 | |
| {
 | |
| 	XEvent ev;
 | |
| 
 | |
| 	while (!XNextEvent(dpy, &ev)) {
 | |
| 		if (XFilterEvent(&ev, win))
 | |
| 			continue;
 | |
| 		switch(ev.type) {
 | |
| 		case DestroyNotify:
 | |
| 			if (ev.xdestroywindow.window != win)
 | |
| 				break;
 | |
| 			cleanup();
 | |
| 			exit(1);
 | |
| 		case Expose:
 | |
| 			if (ev.xexpose.count == 0)
 | |
| 				drw_map(drw, win, 0, 0, mw, mh);
 | |
| 			break;
 | |
| 		case FocusIn:
 | |
| 			/* regrab focus from parent window */
 | |
| 			if (ev.xfocus.window != win)
 | |
| 				grabfocus();
 | |
| 			break;
 | |
| 		case KeyPress:
 | |
| 			keypress(&ev.xkey);
 | |
| 			break;
 | |
| 		case SelectionNotify:
 | |
| 			if (ev.xselection.property == utf8)
 | |
| 				paste();
 | |
| 			break;
 | |
| 		case VisibilityNotify:
 | |
| 			if (ev.xvisibility.state != VisibilityUnobscured)
 | |
| 				XRaiseWindow(dpy, win);
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void
 | |
| setup(void)
 | |
| {
 | |
| 	int x, y, i, j;
 | |
| 	unsigned int du;
 | |
| 	XSetWindowAttributes swa;
 | |
| 	XIM xim;
 | |
| 	Window w, dw, *dws;
 | |
| 	XWindowAttributes wa;
 | |
| 	XClassHint ch = {"dmenu", "dmenu"};
 | |
| #ifdef XINERAMA
 | |
| 	XineramaScreenInfo *info;
 | |
| 	Window pw;
 | |
| 	int a, di, n, area = 0;
 | |
| #endif
 | |
| 	/* init appearance */
 | |
| 	for (j = 0; j < SchemeLast; j++)
 | |
| 		scheme[j] = drw_scm_create(drw, colors[j], 2);
 | |
| 
 | |
| 	clip = XInternAtom(dpy, "CLIPBOARD",   False);
 | |
| 	utf8 = XInternAtom(dpy, "UTF8_STRING", False);
 | |
| 
 | |
| 	/* calculate menu geometry */
 | |
| 	bh = drw->fonts->h + 2;
 | |
| 	lines = MAX(lines, 0);
 | |
| 	mh = (lines + 1) * bh;
 | |
| #ifdef XINERAMA
 | |
| 	i = 0;
 | |
| 	if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
 | |
| 		XGetInputFocus(dpy, &w, &di);
 | |
| 		if (mon >= 0 && mon < n)
 | |
| 			i = mon;
 | |
| 		else if (w != root && w != PointerRoot && w != None) {
 | |
| 			/* find top-level window containing current input focus */
 | |
| 			do {
 | |
| 				if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
 | |
| 					XFree(dws);
 | |
| 			} while (w != root && w != pw);
 | |
| 			/* find xinerama screen with which the window intersects most */
 | |
| 			if (XGetWindowAttributes(dpy, pw, &wa))
 | |
| 				for (j = 0; j < n; j++)
 | |
| 					if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
 | |
| 						area = a;
 | |
| 						i = j;
 | |
| 					}
 | |
| 		}
 | |
| 		/* no focused window is on screen, so use pointer location instead */
 | |
| 		if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
 | |
| 			for (i = 0; i < n; i++)
 | |
| 				if (INTERSECT(x, y, 1, 1, info[i]) != 0)
 | |
| 					break;
 | |
| 
 | |
| 		x = info[i].x_org;
 | |
| 		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
 | |
| 		mw = info[i].width;
 | |
| 		XFree(info);
 | |
| 	} else
 | |
| #endif
 | |
| 	{
 | |
| 		if (!XGetWindowAttributes(dpy, parentwin, &wa))
 | |
| 			die("could not get embedding window attributes: 0x%lx",
 | |
| 			    parentwin);
 | |
| 		x = 0;
 | |
| 		y = topbar ? 0 : wa.height - mh;
 | |
| 		mw = wa.width;
 | |
| 	}
 | |
| 	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 | |
| 	inputw = mw / 3; /* input width: ~33% of monitor width */
 | |
| 	match();
 | |
| 
 | |
| 	/* create menu window */
 | |
| 	swa.override_redirect = True;
 | |
| 	swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
 | |
| 	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
 | |
| 	win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
 | |
| 	                    CopyFromParent, CopyFromParent, CopyFromParent,
 | |
| 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
 | |
| 	XSetClassHint(dpy, win, &ch);
 | |
| 
 | |
| 
 | |
| 	/* input methods */
 | |
| 	if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
 | |
| 		die("XOpenIM failed: could not open input device");
 | |
| 
 | |
| 	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
 | |
| 	                XNClientWindow, win, XNFocusWindow, win, NULL);
 | |
| 
 | |
| 	XMapRaised(dpy, win);
 | |
| 	if (embed) {
 | |
| 		XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
 | |
| 		if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
 | |
| 			for (i = 0; i < du && dws[i] != win; ++i)
 | |
| 				XSelectInput(dpy, dws[i], FocusChangeMask);
 | |
| 			XFree(dws);
 | |
| 		}
 | |
| 		grabfocus();
 | |
| 	}
 | |
| 	drw_resize(drw, mw, mh);
 | |
| 	drawmenu();
 | |
| }
 | |
| 
 | |
| static void
 | |
| usage(void)
 | |
| {
 | |
| 	die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 | |
| 	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 | |
| }
 | |
| 
 | |
| int
 | |
| main(int argc, char *argv[])
 | |
| {
 | |
| 	XWindowAttributes wa;
 | |
| 	int i, fast = 0;
 | |
| 
 | |
| 	for (i = 1; i < argc; i++)
 | |
| 		/* these options take no arguments */
 | |
| 		if (!strcmp(argv[i], "-v")) {      /* prints version information */
 | |
| 			puts("dmenu-"VERSION);
 | |
| 			exit(0);
 | |
| 		} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
 | |
| 			topbar = 0;
 | |
| 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
 | |
| 			fast = 1;
 | |
| 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 | |
| 			fstrncmp = strncasecmp;
 | |
| 			fstrstr = cistrstr;
 | |
| 		} else if (i + 1 == argc)
 | |
| 			usage();
 | |
| 		/* these options take one argument */
 | |
| 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
 | |
| 			lines = atoi(argv[++i]);
 | |
| 		else if (!strcmp(argv[i], "-m"))
 | |
| 			mon = atoi(argv[++i]);
 | |
| 		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
 | |
| 			prompt = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-fn"))  /* font or font set */
 | |
| 			fonts[0] = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-nb"))  /* normal background color */
 | |
| 			colors[SchemeNorm][ColBg] = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
 | |
| 			colors[SchemeNorm][ColFg] = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-sb"))  /* selected background color */
 | |
| 			colors[SchemeSel][ColBg] = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 | |
| 			colors[SchemeSel][ColFg] = argv[++i];
 | |
| 		else if (!strcmp(argv[i], "-w"))   /* embedding window id */
 | |
| 			embed = argv[++i];
 | |
| 		else
 | |
| 			usage();
 | |
| 
 | |
| 	if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 | |
| 		fputs("warning: no locale support\n", stderr);
 | |
| 	if (!(dpy = XOpenDisplay(NULL)))
 | |
| 		die("cannot open display");
 | |
| 	screen = DefaultScreen(dpy);
 | |
| 	root = RootWindow(dpy, screen);
 | |
| 	if (!embed || !(parentwin = strtol(embed, NULL, 0)))
 | |
| 		parentwin = root;
 | |
| 	if (!XGetWindowAttributes(dpy, parentwin, &wa))
 | |
| 		die("could not get embedding window attributes: 0x%lx",
 | |
| 		    parentwin);
 | |
| 	drw = drw_create(dpy, screen, root, wa.width, wa.height);
 | |
| 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 | |
| 		die("no fonts could be loaded.");
 | |
| 	lrpad = drw->fonts->h;
 | |
| 
 | |
| #ifdef __OpenBSD__
 | |
| 	if (pledge("stdio rpath", NULL) == -1)
 | |
| 		die("pledge");
 | |
| #endif
 | |
| 
 | |
| 	if (fast && !isatty(0)) {
 | |
| 		grabkeyboard();
 | |
| 		readstdin();
 | |
| 	} else {
 | |
| 		readstdin();
 | |
| 		grabkeyboard();
 | |
| 	}
 | |
| 	setup();
 | |
| 	run();
 | |
| 
 | |
| 	return 1; /* unreachable */
 | |
| }
 |