#include <X11/extensions/Xinerama.h>
#endif
#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))
+#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 Bool grabkeyboard(void);
-static void kpress(XKeyEvent *e);
-static void match(char *pattern);
+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);
-#include "config.h"
-
-/* variables */
static char **argp = NULL;
static char *maxname = NULL;
-static char *prompt = NULL;
+static char *prompt;
static char text[4096];
-static int cmdw = 0;
-static int promptw = 0;
-static int ret = 0;
+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 = 0;
+static unsigned int numlockmask;
static unsigned int mw, mh;
static unsigned long normcol[ColLast];
static unsigned long selcol[ColLast];
-static Bool running = True;
static Bool topbar = True;
static DC dc;
static Display *dpy;
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
calcoffsetsh(void) {
- unsigned int w;
+ unsigned int w, x;
- w = promptw + cmdw + (2 * spaceitem);
- for(next = curr; next; next = next->right)
- if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
+ w = promptw + cmdw + textw(&dc, "<") + textw(&dc, ">");
+ for(x = w, next = curr; next; next = next->right)
+ if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
break;
- w = promptw + cmdw + (2 * spaceitem);
- for(prev = curr; prev && prev->left; prev = prev->left)
- if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
+ for(x = w, prev = curr; prev && prev->left; prev = prev->left)
+ if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
break;
}
cleanupdraw(&dc);
XDestroyWindow(dpy, win);
XUngrabKeyboard(dpy, CurrentTime);
+ XCloseDisplay(dpy);
}
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
dc.y = 0;
dc.w = mw;
dc.h = mh;
- drawtext(&dc, NULL, normcol, False);
+ drawbox(&dc, normcol);
dc.h = dc.font.height + 2;
dc.y = topbar ? 0 : mh - dc.h;
/* print prompt? */
if(prompt) {
dc.w = promptw;
- drawtext(&dc, prompt, selcol, False);
+ drawbox(&dc, selcol);
+ drawtext(&dc, prompt, selcol);
dc.x += dc.w;
}
dc.w = mw - dc.x;
/* print command */
if(cmdw && item && lines == 0)
dc.w = cmdw;
- drawtext(&dc, *text ? text : NULL, normcol, False);
+ 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)
drawmenuh();
- XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
- XFlush(dpy);
+ commitdraw(&dc, win);
}
void
Item *i;
dc.x += cmdw;
- dc.w = spaceitem;
- drawtext(&dc, curr->left ? "<" : NULL, normcol, False);
+ dc.w = textw(&dc, "<");
+ drawtext(&dc, curr->left ? "<" : NULL, normcol);
dc.x += dc.w;
for(i = curr; i != next; i = i->right) {
dc.w = MIN(textw(&dc, i->text), mw / 3);
- drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
+ drawitem(i->text, (sel == i) ? selcol : normcol);
dc.x += dc.w;
}
- dc.w = spaceitem;
+ dc.w = textw(&dc, ">");
dc.x = mw - dc.w;
- drawtext(&dc, next ? ">" : NULL, normcol, False);
+ drawtext(&dc, next ? ">" : NULL, normcol);
}
void
dc.y = topbar ? dc.h : 0;
dc.w = mw - dc.x;
for(i = curr; i != next; i = i->right) {
- drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
+ drawitem(i->text, (sel == i) ? selcol : normcol);
dc.y += dc.h;
}
if(!XGetWindowAttributes(dpy, win, &wa))
XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
}
-Bool
+void
grabkeyboard(void) {
- unsigned int len;
+ unsigned int n;
- for(len = 1000; len; len--) {
- if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
- == GrabSuccess)
- break;
+ for(n = 0; n < 1000; n++) {
+ if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+ return;
usleep(1000);
}
- return len > 0;
+ exit(EXIT_FAILURE);
}
void
-kpress(XKeyEvent *e) {
+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';
- match(text);
+ 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';
- match(text);
+ 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;
}
}
default:
num = MIN(num, sizeof text);
if(num && !iscntrl((int) buf[0])) {
- memcpy(text + len, buf, num + 1);
- len += num;
- match(text);
+ 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[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; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
- len -= i;
- text[len] = '\0';
- match(text);
+ 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();
sel = sel->right;
break;
case XK_Escape:
- ret = 1;
- running = False;
- return;
+ 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);
- running = False;
- return;
+ 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;
}
drawmenu();
}
void
-match(char *pattern) {
- unsigned int plen;
+match(void) {
+ unsigned int len;
Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
- if(!pattern)
- return;
- plen = strlen(pattern);
+ len = strlen(text);
item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
for(i = allitems; i; i = i->next)
- if(!fstrncmp(pattern, i->text, plen + 1))
+ if(!fstrncmp(text, i->text, len + 1))
appenditem(i, &lexact, &exactend);
- else if(!fstrncmp(pattern, i->text, plen))
+ else if(!fstrncmp(text, i->text, len))
appenditem(i, &lprefix, &prefixend);
- else if(fstrstr(i->text, pattern))
+ else if(fstrstr(i->text, text))
appenditem(i, &lsubstr, &substrend);
if(lexact) {
item = lexact;
run(void) {
XEvent ev;
- /* main event loop */
- while(running && !XNextEvent(dpy, &ev))
+ XSync(dpy, False);
+ while(!XNextEvent(dpy, &ev))
switch(ev.type) {
- case KeyPress:
- kpress(&ev.xkey);
- break;
case Expose:
if(ev.xexpose.count == 0)
drawmenu();
break;
+ case KeyPress:
+ keypress(&ev.xkey);
+ break;
case VisibilityNotify:
- if (ev.xvisibility.state != VisibilityUnobscured)
+ if(ev.xvisibility.state != VisibilityUnobscured)
XRaiseWindow(dpy, win);
break;
}
+ exit(EXIT_FAILURE);
}
void
selcol[ColFG] = getcolor(&dc, selfgcolor);
initfont(&dc, font);
- /* menu window */
+ /* input window */
wa.override_redirect = True;
wa.background_pixmap = ParentRelative;
wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
- /* menu window geometry */
+ /* input window geometry */
mh = (dc.font.height + 2) * (lines + 1);
#if XINERAMA
if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
#endif
{
x = 0;
- y = topbar ? 0 : mh - DisplayHeight(dpy, screen);
+ y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
mw = DisplayWidth(dpy, screen);
}
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
setupdraw(&dc, win);
- if(maxname)
- cmdw = MIN(textw(&dc, maxname), mw / 3);
if(prompt)
promptw = MIN(textw(&dc, prompt), mw / 5);
- text[0] = '\0';
- match(text);
XMapRaised(dpy, win);
}
}
else {
fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
-
" [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
+ " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
exit(EXIT_FAILURE);
}
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fprintf(stderr, "dmenu: 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);
if(!(argp = malloc(sizeof *argp * (argc+2))))
memcpy(argp + 2, argv + 1, sizeof *argp * argc);
readstdin();
- running = grabkeyboard();
-
+ grabkeyboard();
setup();
- drawmenu();
- XSync(dpy, False);
+ if(maxname)
+ cmdw = MIN(textw(&dc, maxname), mw / 3);
+ match();
run();
- cleanup();
- XCloseDisplay(dpy);
- return ret;
+ return 0;
}