merged dmenu & dinput (clunky interface)

main
Connor Lane Smith 2010-07-30 13:40:56 +01:00
parent 7f36736d11
commit 7d5fe17391
5 changed files with 215 additions and 440 deletions

View File

@ -3,7 +3,7 @@
include config.mk
SRC = dinput.c dmenu.c common.c
SRC = dmenu.c
OBJ = ${SRC:.c=.o}
all: options dinput dmenu
@ -24,17 +24,13 @@ config.h:
@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
@ -47,8 +43,7 @@ dist: clean
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
@ -60,7 +55,7 @@ install: all
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

129
common.c
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@ -1,129 +0,0 @@
/* 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);
}

230
dinput.c
View File

@ -1,230 +0,0 @@
/* 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;
}

251
dmenu.c
View File

@ -8,7 +8,16 @@
#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 {
@ -17,30 +26,46 @@ 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;
@ -120,16 +145,18 @@ cleanup(void) {
}
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;
@ -149,6 +176,7 @@ drawbar(void) {
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)
@ -156,17 +184,6 @@ drawbar(void) {
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;
@ -202,7 +219,19 @@ drawmenuv(void) {
}
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;
@ -248,6 +277,9 @@ kpress(XKeyEvent *e) {
case XK_m:
ksym = XK_Return;
break;
case XK_k:
text[cur] = '\0';
break;
case XK_n:
ksym = XK_Down;
break;
@ -255,38 +287,67 @@ kpress(XKeyEvent *e) {
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();
@ -297,10 +358,20 @@ kpress(XKeyEvent *e) {
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;
@ -323,12 +394,16 @@ kpress(XKeyEvent *e) {
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;
@ -339,12 +414,14 @@ kpress(XKeyEvent *e) {
}
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
@ -413,6 +490,98 @@ readstdin(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;
@ -472,7 +641,7 @@ main(int argc, char *argv[]) {
readstdin();
grabkeyboard();
setup(lines);
setup();
if(maxname)
cmdw = MIN(textw(&dc, maxname), mw / 3);
match();

30
dmenu.h
View File

@ -1,30 +0,0 @@
#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;