include config.mk
-SRC = dinput.c dmenu.c common.c
+SRC = dmenu.c
OBJ = ${SRC:.c=.o}
all: options dinput dmenu
@echo creating $@ from config.def.h
@cp config.def.h $@
-dinput: dinput.o common.o
- @echo CC -o $@
- @${CC} -o $@ $+ ${LDFLAGS}
-
-dmenu: dmenu.o common.o
+dmenu: ${OBJ}
@echo CC -o $@
@${CC} -o $@ $+ ${LDFLAGS}
clean:
@echo cleaning
- @rm -f dinput dmenu ${OBJ} dmenu-${VERSION}.tar.gz
+ @rm -f dmenu ${OBJ} dmenu-${VERSION}.tar.gz
dist: clean
@echo creating dist tarball
install: all
@echo installing executable file to ${DESTDIR}${PREFIX}/bin
@mkdir -p ${DESTDIR}${PREFIX}/bin
- @cp -f dinput dmenu dmenu_path dmenu_run ${DESTDIR}${PREFIX}/bin
- @chmod 755 ${DESTDIR}${PREFIX}/bin/dinput
+ @cp -f dmenu dmenu_path dmenu_run ${DESTDIR}${PREFIX}/bin
@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu
@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu_path
@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu_run
uninstall:
@echo removing executable file from ${DESTDIR}${PREFIX}/bin
@rm -f ${DESTDIR}${PREFIX}/bin/dmenu ${DESTDIR}${PREFIX}/bin/dmenu_path
- @rm -f ${DESTDIR}${PREFIX}/bin/dinput ${DESTDIR}${PREFIX}/bin/dmenu_run
+ @rm -f ${DESTDIR}${PREFIX}/bin/dmenu_run
@echo removing manual page from ${DESTDIR}${MANPREFIX}/man1
@rm -f ${DESTDIR}${MANPREFIX}/man1/dmenu.1
+++ /dev/null
-/* See LICENSE file for copyright and license details. */
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <X11/keysym.h>
-#ifdef XINERAMA
-#include <X11/extensions/Xinerama.h>
-#endif
-#include "dmenu.h"
-
-/* variables */
-char *prompt = NULL;
-char text[4096] = "";
-int promptw = 0;
-int screen;
-unsigned int numlockmask = 0;
-unsigned int mw, mh;
-unsigned long normcol[ColLast];
-unsigned long selcol[ColLast];
-Bool topbar = True;
-DC dc;
-Display *dpy;
-Window win, root;
-
-void
-grabkeyboard(void) {
- unsigned int len;
-
- for(len = 1000; len; len--) {
- if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
- == GrabSuccess)
- return;
- usleep(1000);
- }
- exit(EXIT_FAILURE);
-}
-
-void
-run(void) {
- XEvent ev;
-
- /* main event loop */
- XSync(dpy, False);
- while(!XNextEvent(dpy, &ev))
- switch(ev.type) {
- case KeyPress:
- kpress(&ev.xkey);
- break;
- case Expose:
- if(ev.xexpose.count == 0)
- drawbar();
- break;
- case VisibilityNotify:
- if(ev.xvisibility.state != VisibilityUnobscured)
- XRaiseWindow(dpy, win);
- break;
- }
- exit(EXIT_FAILURE);
-}
-
-void
-setup(unsigned int lines) {
- int i, j, x, y;
-#if XINERAMA
- int n;
- XineramaScreenInfo *info = NULL;
-#endif
- XModifierKeymap *modmap;
- XSetWindowAttributes wa;
-
- /* init modifier map */
- modmap = XGetModifierMapping(dpy);
- for(i = 0; i < 8; i++)
- for(j = 0; j < modmap->max_keypermod; j++) {
- if(modmap->modifiermap[i * modmap->max_keypermod + j]
- == XKeysymToKeycode(dpy, XK_Num_Lock))
- numlockmask = (1 << i);
- }
- XFreeModifiermap(modmap);
-
- dc.dpy = dpy;
- normcol[ColBG] = getcolor(&dc, normbgcolor);
- normcol[ColFG] = getcolor(&dc, normfgcolor);
- selcol[ColBG] = getcolor(&dc, selbgcolor);
- selcol[ColFG] = getcolor(&dc, selfgcolor);
- initfont(&dc, font);
-
- /* input window */
- wa.override_redirect = True;
- wa.background_pixmap = ParentRelative;
- wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
-
- /* input window geometry */
- mh = (dc.font.height + 2) * (lines + 1);
-#if XINERAMA
- if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
- i = 0;
- if(n > 1) {
- int di;
- unsigned int dui;
- Window dummy;
- if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
- for(i = 0; i < n; i++)
- if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
- break;
- }
- x = info[i].x_org;
- y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
- mw = info[i].width;
- XFree(info);
- }
- else
-#endif
- {
- x = 0;
- y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
- mw = DisplayWidth(dpy, screen);
- }
-
- win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
- DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-
- setupdraw(&dc, win);
- if(prompt)
- promptw = MIN(textw(&dc, prompt), mw / 5);
- XMapRaised(dpy, win);
-}
+++ /dev/null
-/* See LICENSE file for copyright and license details. */
-#include <ctype.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <X11/keysym.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include "dmenu.h"
-
-/* forward declarations */
-static void cleanup(void);
-
-/* variables */
-static size_t cursor = 0;
-
-void
-cleanup(void) {
- cleanupdraw(&dc);
- XDestroyWindow(dpy, win);
- XUngrabKeyboard(dpy, CurrentTime);
- XCloseDisplay(dpy);
-}
-
-void
-drawbar(void)
-{
- dc.x = 0;
- dc.y = 0;
- dc.w = mw;
- dc.h = mh;
- drawbox(&dc, normcol);
- /* print prompt? */
- if(prompt) {
- dc.w = promptw;
- drawbox(&dc, selcol);
- drawtext(&dc, prompt, selcol);
- dc.x += dc.w;
- }
- dc.w = mw - dc.x;
- drawtext(&dc, text, normcol);
- drawline(&dc, textnw(&dc, text, cursor) + dc.font.height/2, 2, 1,
- dc.font.height-2, normcol);
- commitdraw(&dc, win);
-}
-
-void
-kpress(XKeyEvent *e) {
- char buf[sizeof text];
- int num;
- unsigned int i, len;
- KeySym ksym;
-
- len = strlen(text);
- num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
- if(ksym == XK_KP_Enter)
- ksym = XK_Return;
- else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
- ksym = (ksym - XK_KP_0) + XK_0;
- else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
- || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
- || IsPrivateKeypadKey(ksym))
- return;
- /* first check if a control mask is omitted */
- if(e->state & ControlMask) {
- switch(tolower(ksym)) {
- default:
- return;
- case XK_a:
- ksym = XK_Home;
- break;
- case XK_b:
- ksym = XK_Left;
- break;
- case XK_c:
- ksym = XK_Escape;
- break;
- case XK_e:
- ksym = XK_End;
- break;
- case XK_f:
- ksym = XK_Right;
- break;
- case XK_h:
- ksym = XK_BackSpace;
- break;
- case XK_j:
- case XK_m:
- ksym = XK_Return;
- break;
- case XK_k:
- text[cursor] = '\0';
- break;
- case XK_u:
- memmove(text, text + cursor, sizeof text - cursor + 1);
- cursor = 0;
- break;
- case XK_w:
- if(cursor > 0) {
- i = cursor;
- while(i-- > 0 && text[i] == ' ');
- while(i-- > 0 && text[i] != ' ');
- memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
- cursor = i + 1;
- }
- break;
- case XK_y:
- {
- FILE *fp;
- char *s;
- if(!(fp = popen("sselp", "r")))
- eprint("cannot popen sselp\n");
- s = fgets(buf, sizeof buf, fp);
- pclose(fp);
- if(s == NULL)
- return;
- }
- num = strlen(buf);
- if(num && buf[num-1] == '\n')
- buf[--num] = '\0';
- break;
- }
- }
- switch(ksym) {
- default:
- num = MIN(num, sizeof text - cursor);
- if(num && !iscntrl((int) buf[0])) {
- memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
- memcpy(text + cursor, buf, num);
- cursor += num;
- }
- break;
- case XK_BackSpace:
- if(cursor == 0)
- return;
- for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
- memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
- cursor -= i;
- break;
- case XK_Delete:
- if(cursor == len)
- return;
- for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
- memmove(text + cursor, text + cursor + i, sizeof text - cursor);
- break;
- case XK_End:
- cursor = len;
- break;
- case XK_Escape:
- exit(EXIT_FAILURE);
- case XK_Home:
- cursor = 0;
- break;
- case XK_Left:
- if(cursor == 0)
- return;
- while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
- break;
- case XK_Return:
- fprintf(stdout, "%s", text);
- fflush(stdout);
- exit(EXIT_SUCCESS);
- case XK_Right:
- if(cursor == len)
- return;
- while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
- break;
- }
- drawbar();
-}
-
-int
-main(int argc, char *argv[]) {
- unsigned int i;
-
- /* command line args */
- progname = "dinput";
- for(i = 1; i < argc; i++)
- if(!strcmp(argv[i], "-i"))
- ; /* ignore flag */
- else if(!strcmp(argv[i], "-b"))
- topbar = False;
- else if(!strcmp(argv[i], "-l"))
- i++; /* ignore flag */
- else if(!strcmp(argv[i], "-fn")) {
- if(++i < argc) font = argv[i];
- }
- else if(!strcmp(argv[i], "-nb")) {
- if(++i < argc) normbgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-nf")) {
- if(++i < argc) normfgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-p")) {
- if(++i < argc) prompt = argv[i];
- }
- else if(!strcmp(argv[i], "-sb")) {
- if(++i < argc) selbgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-sf")) {
- if(++i < argc) selfgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-v")) {
- printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
- exit(EXIT_SUCCESS);
- }
- else if(!*text) {
- strncpy(text, argv[i], sizeof text);
- cursor = strlen(text);
- }
- else {
- fputs("usage: dinput [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
- " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n", stderr);
- exit(EXIT_FAILURE);
- }
- if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
- fprintf(stderr, "dinput: warning: no locale support\n");
- if(!(dpy = XOpenDisplay(NULL)))
- eprint("cannot open display\n");
- if(atexit(&cleanup) != 0)
- eprint("cannot register cleanup\n");
- screen = DefaultScreen(dpy);
- root = RootWindow(dpy, screen);
-
- grabkeyboard();
- setup(0);
- run();
- return 0;
-}
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
-#include "dmenu.h"
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <draw.h>
+#include "config.h"
+
+#define INRECT(x,y,rx,ry,rw,rh) ((rx) < (x) && (x) < (rx)+(rw) && (ry) < (y) && (y) < (ry)+(rh))
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define IS_UTF8_1ST_CHAR(c) (((c) & 0xc0) == 0xc0 || ((c) & 0x80) == 0x00)
typedef struct Item Item;
struct Item {
Item *left, *right; /* traverses items matching current search pattern */
};
-/* forward declarations */
static void appenditem(Item *i, Item **list, Item **last);
static void calcoffsetsh(void);
static void calcoffsetsv(void);
static char *cistrstr(const char *s, const char *sub);
static void cleanup(void);
-static void dinput(void);
static void drawitem(const char *s, unsigned long col[ColLast]);
+static void drawmenu(void);
static void drawmenuh(void);
static void drawmenuv(void);
+static void grabkeyboard(void);
+static void keypress(XKeyEvent *e);
static void match(void);
static void readstdin(void);
+static void run(void);
+static void setup(void);
-/* variables */
static char **argp = NULL;
static char *maxname = NULL;
+static char *prompt;
+static char text[4096];
+static int promptw;
+static int screen;
+static size_t cur = 0;
static unsigned int cmdw = 0;
static unsigned int lines = 0;
+static unsigned int numlockmask;
+static unsigned int mw, mh;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
+static Bool topbar = True;
+static DC dc;
+static Display *dpy;
static Item *allitems = NULL; /* first of all items */
static Item *item = NULL; /* first of pattern matching items */
static Item *sel = NULL;
static Item *next = NULL;
static Item *prev = NULL;
static Item *curr = NULL;
+static Window win, root;
+
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
static void (*calcoffsets)(void) = calcoffsetsh;
}
void
-dinput(void) {
- cleanup();
- argp[0] = "dinput";
- argp[1] = text;
- execvp("dinput", argp);
- eprint("cannot exec dinput\n");
+drawitem(const char *s, unsigned long col[ColLast]) {
+ const char *p;
+ unsigned int w = textnw(&dc, text, strlen(text));
+
+ drawbox(&dc, col);
+ drawtext(&dc, s, col);
+ for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
+ drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
}
void
-drawbar(void) {
+drawmenu(void) {
dc.x = 0;
dc.y = 0;
dc.w = mw;
if(cmdw && item && lines == 0)
dc.w = cmdw;
drawtext(&dc, text, normcol);
+ drawline(&dc, textnw(&dc, text, cur) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
if(lines > 0)
drawmenuv();
else if(curr)
commitdraw(&dc, win);
}
-void
-drawitem(const char *s, unsigned long col[ColLast]) {
- const char *p;
- unsigned int w = textnw(&dc, text, strlen(text));
-
- drawbox(&dc, col);
- drawtext(&dc, s, col);
- for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
- drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
-}
-
void
drawmenuh(void) {
Item *i;
}
void
-kpress(XKeyEvent *e) {
+grabkeyboard(void) {
+ unsigned int n;
+
+ for(n = 0; n < 1000; n++) {
+ if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+ return;
+ usleep(1000);
+ }
+ exit(EXIT_FAILURE);
+}
+
+void
+keypress(XKeyEvent *e) {
char buf[sizeof text];
int num;
unsigned int i, len;
case XK_m:
ksym = XK_Return;
break;
+ case XK_k:
+ text[cur] = '\0';
+ break;
case XK_n:
ksym = XK_Down;
break;
ksym = XK_Up;
break;
case XK_u:
- text[0] = '\0';
+ memmove(text, text + cur, sizeof text - cur + 1);
+ cur = 0;
match();
break;
case XK_w:
- if(len == 0)
+ if(cur == 0)
return;
- i = len;
+ i = cur;
while(i-- > 0 && text[i] == ' ');
while(i-- > 0 && text[i] != ' ');
- text[++i] = '\0';
+ memmove(text + i + 1, text + cur, sizeof text - cur + 1);
+ cur = i + 1;
match();
break;
+ case XK_y:
+ {
+ FILE *fp;
+ char *s;
+ if(!(fp = fopen("sselp", "r")))
+ eprint("cannot popen sselp\n");
+ s = fgets(buf, sizeof buf, fp);
+ fclose(fp);
+ if(!s)
+ return;
+ }
+ num = strlen(buf);
+ if(num && buf[num-1] == '\n')
+ buf[--num] = '\0';
+ break;
}
}
switch(ksym) {
default:
num = MIN(num, sizeof text);
if(num && !iscntrl((int) buf[0])) {
- memcpy(text + len, buf, num + 1);
- len += num;
+ memmove(text + cur + num, text + cur, sizeof text - cur - num);
+ memcpy(text + cur, buf, num);
+ cur += num;
match();
}
break;
case XK_BackSpace:
- if(len == 0)
+ if(cur == 0)
return;
- for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
- len -= i;
- text[len] = '\0';
+ for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[cur - i]); i++);
+ memmove(text + cur - i, text + cur, sizeof text - cur + i);
+ cur -= i;
+ match();
+ break;
+ case XK_Delete:
+ if(cur == len)
+ return;
+ for(i = 1; cur + i < len && !IS_UTF8_1ST_CHAR(text[cur + i]); i++);
+ memmove(text + cur, text + cur + i, sizeof text - cur);
match();
break;
case XK_End:
+ if(cur < len) {
+ cur = len;
+ break;
+ }
while(next) {
sel = curr = next;
calcoffsets();
case XK_Escape:
exit(EXIT_FAILURE);
case XK_Home:
+ if(sel == item) {
+ cur = 0;
+ break;
+ }
sel = curr = item;
calcoffsets();
break;
case XK_Left:
+ if(cur > 0 && (!sel || !sel->left || lines > 0)) {
+ while(cur-- > 0 && !IS_UTF8_1ST_CHAR(text[cur]));
+ break;
+ }
+ if(lines > 0)
+ return;
case XK_Up:
if(!sel || !sel->left)
return;
calcoffsets();
break;
case XK_Return:
- if(e->state & ShiftMask)
- dinput();
- fprintf(stdout, "%s", sel ? sel->text : text);
+ fprintf(stdout, "%s", ((e->state & ShiftMask) || sel) ? sel->text : text);
fflush(stdout);
exit(EXIT_SUCCESS);
case XK_Right:
+ if(cur < len) {
+ while(cur++ < len && !IS_UTF8_1ST_CHAR(text[cur]));
+ break;
+ }
+ if(lines > 0)
+ return;
case XK_Down:
if(!sel || !sel->right)
return;
}
break;
case XK_Tab:
- if(sel)
- strncpy(text, sel->text, sizeof text);
- dinput();
+ if(!sel)
+ return;
+ strncpy(text, sel->text, sizeof text);
+ cur = strlen(text);
+ match();
break;
}
- drawbar();
+ drawmenu();
}
void
}
}
+void
+run(void) {
+ XEvent ev;
+
+ XSync(dpy, False);
+ while(!XNextEvent(dpy, &ev))
+ switch(ev.type) {
+ case Expose:
+ if(ev.xexpose.count == 0)
+ drawmenu();
+ break;
+ case KeyPress:
+ keypress(&ev.xkey);
+ break;
+ case VisibilityNotify:
+ if(ev.xvisibility.state != VisibilityUnobscured)
+ XRaiseWindow(dpy, win);
+ break;
+ }
+ exit(EXIT_FAILURE);
+}
+
+void
+setup(void) {
+ int i, j, x, y;
+#if XINERAMA
+ int n;
+ XineramaScreenInfo *info = NULL;
+#endif
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
+
+ /* init modifier map */
+ modmap = XGetModifierMapping(dpy);
+ for(i = 0; i < 8; i++)
+ for(j = 0; j < modmap->max_keypermod; j++) {
+ if(modmap->modifiermap[i * modmap->max_keypermod + j]
+ == XKeysymToKeycode(dpy, XK_Num_Lock))
+ numlockmask = (1 << i);
+ }
+ XFreeModifiermap(modmap);
+
+ dc.dpy = dpy;
+ normcol[ColBG] = getcolor(&dc, normbgcolor);
+ normcol[ColFG] = getcolor(&dc, normfgcolor);
+ selcol[ColBG] = getcolor(&dc, selbgcolor);
+ selcol[ColFG] = getcolor(&dc, selfgcolor);
+ initfont(&dc, font);
+
+ /* input window */
+ wa.override_redirect = True;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+
+ /* input window geometry */
+ mh = (dc.font.height + 2) * (lines + 1);
+#if XINERAMA
+ if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
+ i = 0;
+ if(n > 1) {
+ int di;
+ unsigned int dui;
+ Window dummy;
+ if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
+ for(i = 0; i < n; i++)
+ if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
+ break;
+ }
+ x = info[i].x_org;
+ y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
+ mw = info[i].width;
+ XFree(info);
+ }
+ else
+#endif
+ {
+ x = 0;
+ y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
+ mw = DisplayWidth(dpy, screen);
+ }
+
+ win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+
+ setupdraw(&dc, win);
+ if(prompt)
+ promptw = MIN(textw(&dc, prompt), mw / 5);
+ XMapRaised(dpy, win);
+}
+
int
main(int argc, char *argv[]) {
unsigned int i;
readstdin();
grabkeyboard();
- setup(lines);
+ setup();
if(maxname)
cmdw = MIN(textw(&dc, maxname), mw / 3);
match();
+++ /dev/null
-#include <X11/Xlib.h>
-#include <draw.h>
-#include "config.h"
-
-/* macros */
-#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
-
-/* forward declarations */
-void drawbar(void);
-void grabkeyboard(void);
-void kpress(XKeyEvent *e);
-void run(void);
-void setup(unsigned int lines);
-
-/* variables */
-extern char *prompt;
-extern char text[4096];
-extern int promptw;
-extern int screen;
-extern unsigned int numlockmask;
-extern unsigned int mw, mh;
-extern unsigned long normcol[ColLast];
-extern unsigned long selcol[ColLast];
-extern Bool topbar;
-extern DC dc;
-extern Display *dpy;
-extern Window win, root;