-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * (C)opyright MMVI Sander van Dijk <a dot h dot vandijk at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * (C)opyright MMVI-MMVII Sander van Dijk <a dot h dot vandijk at gmail dot com>
* See LICENSE file for license details.
*/
-
#include "dmenu.h"
#include <ctype.h>
+#include <locale.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <X11/cursorfont.h>
+#include <sys/select.h>
+#include <sys/time.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
-typedef struct Item Item;
+#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+typedef struct Item Item;
struct Item {
Item *next; /* traverses all items */
Item *left, *right; /* traverses items matching current search pattern */
char *text;
};
-static Display *dpy;
-static Window root;
-static Window win;
-static Bool done = False;
+/* static */
-static Item *allitem = NULL; /* first of all items */
-static Item *item = NULL; /* first of pattern matching items */
-static Item *sel = NULL;
-static Item *nextoff = NULL;
-static Item *prevoff = NULL;
-static Item *curroff = NULL;
-
-static int screen, mx, my, mw, mh;
-static char *title = NULL;
static char text[4096];
+static char *prompt = NULL;
+static int mw, mh;
static int ret = 0;
static int nitem = 0;
static unsigned int cmdw = 0;
-static unsigned int tw = 0;
-static unsigned int cw = 0;
-static const int seek = 30; /* 30px */
-
-static Brush brush = {0};
-
-static void draw_menu();
-static void kpress(XKeyEvent * e);
-
-static char version[] = "dmenu - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
+static unsigned int promptw = 0;
+static unsigned int numlockmask = 0;
+static Bool running = True;
+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 root;
+static Window win;
static void
-update_offsets()
-{
- unsigned int tw, w = cmdw + 2 * seek;
+calcoffsets(void) {
+ unsigned int tw, w;
- if(!curroff)
+ if(!curr)
return;
-
- for(nextoff = curroff; nextoff; nextoff=nextoff->right) {
- tw = textw(&brush.font, nextoff->text);
+ w = promptw + cmdw + 2 * SPACE;
+ for(next = curr; next; next=next->right) {
+ tw = textw(next->text);
if(tw > mw / 3)
tw = mw / 3;
- w += tw + brush.font.height;
+ w += tw;
if(w > mw)
break;
}
-
- w = cmdw + 2 * seek;
- for(prevoff = curroff; prevoff && prevoff->left; prevoff=prevoff->left) {
- tw = textw(&brush.font, prevoff->left->text);
+ w = promptw + cmdw + 2 * SPACE;
+ for(prev = curr; prev && prev->left; prev=prev->left) {
+ tw = textw(prev->left->text);
if(tw > mw / 3)
tw = mw / 3;
- w += tw + brush.font.height;
+ w += tw;
if(w > mw)
break;
}
}
static void
-update_items(char *pattern)
-{
- unsigned int plen = strlen(pattern);
+drawmenu(void) {
+ Item *i;
+
+ dc.x = 0;
+ dc.y = 0;
+ dc.w = mw;
+ dc.h = mh;
+ drawtext(NULL, dc.norm);
+ /* print prompt? */
+ if(promptw) {
+ dc.w = promptw;
+ drawtext(prompt, dc.sel);
+ }
+ dc.x += promptw;
+ dc.w = mw - promptw;
+ /* print command */
+ if(cmdw && item)
+ dc.w = cmdw;
+ drawtext(text[0] ? text : NULL, dc.norm);
+ dc.x += cmdw;
+ if(curr) {
+ dc.w = SPACE;
+ drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
+ dc.x += dc.w;
+ /* determine maximum items */
+ for(i = curr; i != next; i=i->right) {
+ dc.w = textw(i->text);
+ if(dc.w > mw / 3)
+ dc.w = mw / 3;
+ drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+ dc.x += dc.w;
+ }
+ dc.x = mw - SPACE;
+ dc.w = SPACE;
+ drawtext(next ? ">" : NULL, dc.norm);
+ }
+ XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
+ XFlush(dpy);
+}
+
+static void
+match(char *pattern) {
+ unsigned int plen;
Item *i, *j;
if(!pattern)
return;
-
- if(!title || *pattern)
- cmdw = cw;
- else
- cmdw = tw;
-
+ plen = strlen(pattern);
item = j = NULL;
nitem = 0;
-
- for(i = allitem; i; i=i->next)
+ for(i = allitems; i; i=i->next)
if(!plen || !strncmp(pattern, i->text, plen)) {
if(!j)
item = i;
j = i;
nitem++;
}
- for(i = allitem; i; i=i->next)
+ for(i = allitems; i; i=i->next)
if(plen && strncmp(pattern, i->text, plen)
&& strstr(i->text, pattern)) {
if(!j)
j = i;
nitem++;
}
-
- curroff = prevoff = nextoff = sel = item;
-
- update_offsets();
+ curr = prev = next = sel = item;
+ calcoffsets();
}
-/* creates brush structs for brush mode drawing */
static void
-draw_menu()
-{
- Item *i;
-
- brush.x = 0;
- brush.y = 0;
- brush.w = mw;
- brush.h = mh;
- draw(dpy, &brush, False, 0);
-
- /* print command */
- if(!title || text[0]) {
- cmdw = cw;
- if(cmdw && item)
- brush.w = cmdw;
- draw(dpy, &brush, False, text);
- }
- else {
- cmdw = tw;
- brush.w = cmdw;
- draw(dpy, &brush, False, title);
- }
- brush.x += brush.w;
-
- if(curroff) {
- brush.w = seek;
- draw(dpy, &brush, False, (curroff && curroff->left) ? "<" : 0);
- brush.x += brush.w;
-
- /* determine maximum items */
- for(i = curroff; i != nextoff; i=i->right) {
- brush.border = False;
- brush.w = textw(&brush.font, i->text);
- if(brush.w > mw / 3)
- brush.w = mw / 3;
- brush.w += brush.font.height;
- if(sel == i) {
- swap((void **)&brush.fg, (void **)&brush.bg);
- draw(dpy, &brush, True, i->text);
- swap((void **)&brush.fg, (void **)&brush.bg);
- }
- else
- draw(dpy, &brush, False, i->text);
- brush.x += brush.w;
- }
-
- brush.x = mw - seek;
- brush.w = seek;
- draw(dpy, &brush, False, nextoff ? ">" : 0);
- }
- XCopyArea(dpy, brush.drawable, win, brush.gc, 0, 0, mw, mh, 0, 0);
- XFlush(dpy);
-}
-
-static void
-kpress(XKeyEvent * e)
-{
- KeySym ksym;
+kpress(XKeyEvent * e) {
char buf[32];
int num, prev_nitem;
- unsigned int i, len = strlen(text);
+ unsigned int i, len;
+ KeySym ksym;
+ len = strlen(text);
buf[0] = 0;
- num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
-
+ num = XLookupString(e, buf, sizeof buf, &ksym, 0);
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 (ksym) {
default: /* ignore other control sequences */
return;
+ case XK_bracketleft:
+ ksym = XK_Escape;
break;
case XK_h:
+ case XK_H:
ksym = XK_BackSpace;
break;
- case XK_U:
+ case XK_i:
+ case XK_I:
+ ksym = XK_Tab;
+ break;
+ case XK_j:
+ case XK_J:
+ ksym = XK_Return;
+ break;
case XK_u:
+ case XK_U:
text[0] = 0;
- update_items(text);
- draw_menu();
+ match(text);
+ drawmenu();
return;
+ }
+ }
+ if(CLEANMASK(e->state) & Mod1Mask) {
+ switch(ksym) {
+ default: return;
+ case XK_h:
+ ksym = XK_Left;
break;
- case XK_bracketleft:
- ksym = XK_Escape;
+ case XK_l:
+ ksym = XK_Right;
+ break;
+ case XK_j:
+ ksym = XK_Next;
+ break;
+ case XK_k:
+ ksym = XK_Prior;
+ break;
+ case XK_g:
+ ksym = XK_Home;
+ break;
+ case XK_G:
+ ksym = XK_End;
break;
}
}
switch(ksym) {
+ default:
+ if(num && !iscntrl((int) buf[0])) {
+ buf[num] = 0;
+ if(len > 0)
+ strncat(text, buf, sizeof text);
+ else
+ strncpy(text, buf, sizeof text);
+ match(text);
+ }
+ break;
+ case XK_BackSpace:
+ if((i = len)) {
+ prev_nitem = nitem;
+ do {
+ text[--i] = 0;
+ match(text);
+ } while(i && nitem && prev_nitem == nitem);
+ match(text);
+ }
+ break;
+ case XK_End:
+ if(!item)
+ return;
+ while(next) {
+ sel = curr = next;
+ calcoffsets();
+ }
+ while(sel && sel->right)
+ sel = sel->right;
+ break;
+ case XK_Escape:
+ ret = 1;
+ running = False;
+ break;
+ case XK_Home:
+ if(!item)
+ return;
+ sel = curr = item;
+ calcoffsets();
+ break;
case XK_Left:
if(!(sel && sel->left))
return;
sel=sel->left;
- if(sel->right == curroff) {
- curroff = prevoff;
- update_offsets();
+ if(sel->right == curr) {
+ curr = prev;
+ calcoffsets();
}
break;
- case XK_Tab:
- if(!sel)
+ case XK_Next:
+ if(!next)
return;
- strncpy(text, sel->text, sizeof(text));
- update_items(text);
+ sel = curr = next;
+ calcoffsets();
break;
- case XK_Right:
- if(!(sel && sel->right))
+ case XK_Prior:
+ if(!prev)
return;
- sel=sel->right;
- if(sel == nextoff) {
- curroff = nextoff;
- update_offsets();
- }
+ sel = curr = prev;
+ calcoffsets();
break;
case XK_Return:
- if(e->state & ShiftMask) {
- if(text)
- fprintf(stdout, "%s", text);
- }
+ if((e->state & ShiftMask) && text)
+ fprintf(stdout, "%s", text);
else if(sel)
fprintf(stdout, "%s", sel->text);
else if(text)
fprintf(stdout, "%s", text);
fflush(stdout);
- done = True;
- break;
- case XK_Escape:
- ret = 1;
- done = True;
+ running = False;
break;
- case XK_BackSpace:
- if((i = len)) {
- prev_nitem = nitem;
- do {
- text[--i] = 0;
- update_items(text);
- } while(i && nitem && prev_nitem == nitem);
- update_items(text);
+ case XK_Right:
+ if(!(sel && sel->right))
+ return;
+ sel=sel->right;
+ if(sel == next) {
+ curr = next;
+ calcoffsets();
}
break;
- default:
- if(num && !iscntrl((int) buf[0])) {
- buf[num] = 0;
- if(len > 0)
- strncat(text, buf, sizeof(text));
- else
- strncpy(text, buf, sizeof(text));
- update_items(text);
- }
+ case XK_Tab:
+ if(!sel)
+ return;
+ strncpy(text, sel->text, sizeof text);
+ match(text);
+ break;
}
- draw_menu();
+ drawmenu();
}
static char *
-read_allitems()
-{
+readstdin(void) {
static char *maxname = NULL;
char *p, buf[1024];
unsigned int len = 0, max = 0;
Item *i, *new;
i = 0;
- while(fgets(buf, sizeof(buf), stdin)) {
+ while(fgets(buf, sizeof buf, stdin)) {
len = strlen(buf);
if (buf[len - 1] == '\n')
buf[len - 1] = 0;
maxname = p;
max = len;
}
-
new = emalloc(sizeof(Item));
new->next = new->left = new->right = NULL;
new->text = p;
if(!i)
- allitem = new;
+ allitems = new;
else
i->next = new;
i = new;
return maxname;
}
+/* extern */
+
+int screen;
+Display *dpy;
+DC dc = {0};
+
int
-main(int argc, char *argv[])
-{
- int i;
- XSetWindowAttributes wa;
+main(int argc, char *argv[]) {
+ Bool bottom = False;
+ char *font = FONT;
char *maxname;
+ char *normbg = NORMBGCOLOR;
+ char *normfg = NORMFGCOLOR;
+ char *selbg = SELBGCOLOR;
+ char *selfg = SELFGCOLOR;
+ fd_set rd;
+ int i, j;
+ struct timeval timeout;
+ Item *itm;
XEvent ev;
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
+ timeout.tv_usec = 0;
+ timeout.tv_sec = 3;
/* command line args */
- for(i = 1; i < argc; i++) {
- if (argv[i][0] == '-')
- switch (argv[i][1]) {
- case 'v':
- fprintf(stdout, "%s", version);
- exit(0);
- break;
- case 't':
- if(++i < argc) {
- title = argv[i];
- break;
- }
- default:
- eprint("usage: dmenu [-v] [-t <title>]\n");
- break;
- }
+ for(i = 1; i < argc; i++)
+ if(!strncmp(argv[i], "-b", 3)) {
+ bottom = True;
+ }
+ else if(!strncmp(argv[i], "-fn", 4)) {
+ if(++i < argc) font = argv[i];
+ }
+ else if(!strncmp(argv[i], "-nb", 4)) {
+ if(++i < argc) normbg = argv[i];
+ }
+ else if(!strncmp(argv[i], "-nf", 4)) {
+ if(++i < argc) normfg = argv[i];
+ }
+ else if(!strncmp(argv[i], "-p", 3)) {
+ if(++i < argc) prompt = argv[i];
+ }
+ else if(!strncmp(argv[i], "-sb", 4)) {
+ if(++i < argc) selbg = argv[i];
+ }
+ else if(!strncmp(argv[i], "-sf", 4)) {
+ if(++i < argc) selfg = argv[i];
+ }
+ else if(!strncmp(argv[i], "-t", 3)) {
+ if(++i < argc) timeout.tv_sec = atoi(argv[i]);
+ }
+ else if(!strncmp(argv[i], "-v", 3)) {
+ fputs("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
+ exit(EXIT_SUCCESS);
+ }
else
- eprint("usage: dmenu [-v] [-t <title>]\n");
- }
-
+ eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n"
+ " [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout);
+ setlocale(LC_CTYPE, "");
dpy = XOpenDisplay(0);
if(!dpy)
- eprint("dmenu: cannot open dpy\n");
+ eprint("dmenu: cannot open display\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
- maxname = read_allitems();
-
- /* grab as early as possible, but after reading all items!!! */
+ /* Note, the select() construction allows to grab all keypresses as
+ * early as possible, to not loose them. But if there is no standard
+ * input supplied, we will make sure to exit after MAX_WAIT_STDIN
+ * seconds. This is convenience behavior for rapid typers.
+ */
while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
GrabModeAsync, CurrentTime) != GrabSuccess)
usleep(1000);
-
+ FD_ZERO(&rd);
+ FD_SET(STDIN_FILENO, &rd);
+ if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
+ goto UninitializedEnd;
+ maxname = readstdin();
+ /* 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);
/* style */
- loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR);
- loadfont(dpy, &brush.font, FONT);
-
+ dc.norm[ColBG] = getcolor(normbg);
+ dc.norm[ColFG] = getcolor(normfg);
+ dc.sel[ColBG] = getcolor(selbg);
+ dc.sel[ColFG] = getcolor(selfg);
+ setfont(font);
+ /* menu window */
wa.override_redirect = 1;
wa.background_pixmap = ParentRelative;
wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
-
- mx = my = 0;
mw = DisplayWidth(dpy, screen);
- mh = texth(&brush.font);
-
- win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
+ mh = dc.font.height + 2;
+ win = XCreateWindow(dpy, root, 0,
+ bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
DefaultDepth(dpy, screen), CopyFromParent,
DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm));
- XFlush(dpy);
-
/* pixmap */
- brush.gc = XCreateGC(dpy, root, 0, 0);
- brush.drawable = XCreatePixmap(dpy, win, mw, mh,
- DefaultDepth(dpy, screen));
- XFlush(dpy);
-
+ dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
if(maxname)
- cw = textw(&brush.font, maxname) + brush.font.height;
- if(cw > mw / 3)
- cw = mw / 3;
-
- if(title) {
- tw = textw(&brush.font, title) + brush.font.height;
- if(tw > mw / 3)
- tw = mw / 3;
- }
-
- cmdw = title ? tw : cw;
-
+ cmdw = textw(maxname);
+ if(cmdw > mw / 3)
+ cmdw = mw / 3;
+ if(prompt)
+ promptw = textw(prompt);
+ if(promptw > mw / 5)
+ promptw = mw / 5;
text[0] = 0;
- update_items(text);
+ match(text);
XMapRaised(dpy, win);
- draw_menu();
- XFlush(dpy);
+ drawmenu();
+ XSync(dpy, False);
/* main event loop */
- while(!done && !XNextEvent(dpy, &ev)) {
+ while(running && !XNextEvent(dpy, &ev))
switch (ev.type) {
+ default: /* ignore all crap */
+ break;
case KeyPress:
kpress(&ev.xkey);
break;
case Expose:
if(ev.xexpose.count == 0)
- draw_menu();
- break;
- default:
+ drawmenu();
break;
}
- }
- XUngrabKeyboard(dpy, CurrentTime);
- XFreePixmap(dpy, brush.drawable);
- XFreeGC(dpy, brush.gc);
+ /* cleanup */
+ while(allitems) {
+ itm = allitems->next;
+ free(allitems->text);
+ free(allitems);
+ allitems = itm;
+ }
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ else
+ XFreeFont(dpy, dc.font.xfont);
+ XFreePixmap(dpy, dc.drawable);
+ XFreeGC(dpy, dc.gc);
XDestroyWindow(dpy, win);
+UninitializedEnd:
+ XUngrabKeyboard(dpy, CurrentTime);
XCloseDisplay(dpy);
-
return ret;
}
