-/*
- * (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>
+#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+
typedef struct Item Item;
struct Item {
Item *next; /* traverses all items */
/* static */
static char text[4096];
-static int mx, my, mw, mh;
+static char *prompt = NULL;
+static int mw, mh;
static int ret = 0;
static int nitem = 0;
static unsigned int cmdw = 0;
+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 Window root;
static Window win;
+static unsigned int
+textnw(const char *text, unsigned int len) {
+ XRectangle r;
+
+ if(dc.font.set) {
+ XmbTextExtents(dc.font.set, text, len, NULL, &r);
+ return r.width;
+ }
+ return XTextWidth(dc.font.xfont, text, len);
+}
+
+static unsigned int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
+}
+
static void
-calcoffsets()
-{
+calcoffsets(void) {
unsigned int tw, w;
if(!curr)
return;
-
- w = cmdw + 2 * SPACE;
+ w = promptw + cmdw + 2 * SPACE;
for(next = curr; next; next=next->right) {
tw = textw(next->text);
if(tw > mw / 3)
if(w > mw)
break;
}
-
- w = cmdw + 2 * SPACE;
+ w = promptw + cmdw + 2 * SPACE;
for(prev = curr; prev && prev->left; prev=prev->left) {
tw = textw(prev->left->text);
if(tw > mw / 3)
}
static void
-drawmenu()
-{
+drawtext(const char *text, unsigned long col[ColLast]) {
+ int x, y, w, h;
+ static char buf[256];
+ unsigned int len, olen;
+ XGCValues gcv;
+ XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+
+ XSetForeground(dpy, dc.gc, col[ColBG]);
+ XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ if(!text)
+ return;
+ w = 0;
+ olen = len = strlen(text);
+ if(len >= sizeof buf)
+ len = sizeof buf - 1;
+ memcpy(buf, text, len);
+ buf[len] = 0;
+ h = dc.font.ascent + dc.font.descent;
+ y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
+ x = dc.x + (h / 2);
+ /* shorten text if necessary */
+ while(len && (w = textnw(buf, len)) > dc.w - h)
+ buf[--len] = 0;
+ if(len < olen) {
+ if(len > 1)
+ buf[len - 1] = '.';
+ if(len > 2)
+ buf[len - 2] = '.';
+ if(len > 3)
+ buf[len - 3] = '.';
+ }
+ if(w > dc.w)
+ return; /* too long */
+ gcv.foreground = col[ColFG];
+ if(dc.font.set) {
+ XChangeGC(dpy, dc.gc, GCForeground, &gcv);
+ XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc,
+ x, y, buf, len);
+ }
+ else {
+ gcv.font = dc.font.xfont->fid;
+ XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
+ XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+ }
+}
+
+static void
+drawmenu(void) {
Item *i;
dc.x = 0;
dc.y = 0;
dc.w = mw;
dc.h = mh;
- drawtext(NULL, False, False);
-
+ 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, False, False);
+ drawtext(text[0] ? text : NULL, dc.norm);
dc.x += cmdw;
-
if(curr) {
dc.w = SPACE;
- drawtext((curr && curr->left) ? "<" : NULL, False, False);
+ 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, sel == i);
+ drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
dc.x += dc.w;
}
-
dc.x = mw - SPACE;
dc.w = SPACE;
- drawtext(next ? ">" : NULL, False, False);
+ drawtext(next ? ">" : NULL, dc.norm);
}
XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
XFlush(dpy);
}
+static unsigned long
+getcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("error, cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
static void
-match(char *pattern)
-{
+setfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ missing = NULL;
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
+ XFreeStringList(missing);
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ if(dc.font.ascent < (*xfonts)->ascent)
+ dc.font.ascent = (*xfonts)->ascent;
+ if(dc.font.descent < (*xfonts)->descent)
+ dc.font.descent = (*xfonts)->descent;
+ xfonts++;
+ }
+ }
+ else {
+ if(dc.font.xfont)
+ XFreeFont(dpy, dc.font.xfont);
+ dc.font.xfont = NULL;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
+static void
+match(char *pattern) {
unsigned int plen;
Item *i, *j;
if(!pattern)
return;
-
plen = strlen(pattern);
item = j = NULL;
nitem = 0;
-
for(i = allitems; i; i=i->next)
if(!plen || !strncmp(pattern, i->text, plen)) {
if(!j)
j = i;
nitem++;
}
-
curr = prev = next = sel = item;
calcoffsets();
}
static void
-kpress(XKeyEvent * e)
-{
+kpress(XKeyEvent * e) {
char buf[32];
- int num, prev_nitem;
- unsigned int i, len;
+ int i, num, prev_nitem;
+ unsigned int 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_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;
match(text);
drawmenu();
return;
+ case XK_w:
+ case XK_W:
+ if(len) {
+ i = len - 1;
+ while(i >= 0 && text[i] == ' ')
+ text[i--] = 0;
+ while(i >= 0 && text[i] != ' ')
+ text[i--] = 0;
+ match(text);
+ drawmenu();
+ }
+ return;
+ }
+ }
+ if(CLEANMASK(e->state) & Mod1Mask) {
+ switch(ksym) {
+ default: return;
+ case XK_h:
+ ksym = XK_Left;
+ break;
+ 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;
calcoffsets();
}
break;
- case XK_Tab:
- if(!sel)
+ case XK_Next:
+ if(!next)
return;
- strncpy(text, sel->text, sizeof(text));
- match(text);
+ sel = curr = next;
+ calcoffsets();
break;
- case XK_Right:
- if(!(sel && sel->right))
+ case XK_Prior:
+ if(!prev)
return;
- sel=sel->right;
- if(sel == next) {
- curr = next;
- calcoffsets();
- }
+ 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)
fflush(stdout);
running = False;
break;
- case XK_Escape:
- ret = 1;
- running = False;
- break;
- case XK_BackSpace:
- if((i = len)) {
- prev_nitem = nitem;
- do {
- text[--i] = 0;
- match(text);
- } while(i && nitem && prev_nitem == nitem);
- match(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));
- match(text);
- }
+ case XK_Tab:
+ if(!sel)
+ return;
+ strncpy(text, sel->text, sizeof text);
+ match(text);
+ break;
}
drawmenu();
}
static char *
-readstdin()
-{
+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;
DC dc = {0};
int
-main(int argc, char *argv[])
-{
+main(int argc, char *argv[]) {
+ Bool bottom = False;
+ char *font = FONT;
char *maxname;
- Item *i;
+ 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;
- if(argc == 2 && !strncmp("-v", argv[1], 3)) {
- fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
- exit(EXIT_SUCCESS);
- }
- else if(argc != 1)
- eprint("usage: dmenu [-v]\n");
-
+ timeout.tv_usec = 0;
+ timeout.tv_sec = 3;
+ /* command line args */
+ 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 [-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 display\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
- maxname = readstdin();
-
- /* 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 */
- dc.bg = getcolor(BGCOLOR);
- dc.fg = getcolor(FGCOLOR);
- dc.border = getcolor(BORDERCOLOR);
- setfont(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 = dc.font.height + 4;
-
- 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));
-
/* pixmap */
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)
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;
match(text);
XMapRaised(dpy, win);
XSync(dpy, False);
/* main event loop */
- while(running && !XNextEvent(dpy, &ev)) {
+ while(running && !XNextEvent(dpy, &ev))
switch (ev.type) {
+ default: /* ignore all crap */
+ break;
case KeyPress:
kpress(&ev.xkey);
break;
if(ev.xexpose.count == 0)
drawmenu();
break;
- default:
- break;
}
- }
- XUngrabKeyboard(dpy, CurrentTime);
+ /* cleanup */
while(allitems) {
- i = allitems->next;
+ itm = allitems->next;
free(allitems->text);
free(allitems);
- allitems = i;
+ allitems = itm;
}
if(dc.font.set)
XFreeFontSet(dpy, dc.font.set);
XFreePixmap(dpy, dc.drawable);
XFreeGC(dpy, dc.gc);
XDestroyWindow(dpy, win);
+UninitializedEnd:
+ XUngrabKeyboard(dpy, CurrentTime);
XCloseDisplay(dpy);
-
return ret;
}
