X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/65912f2a96d32600a07b963e9149f70ca22e73bb..d27e3c1092bb53e82c2781798082c354313dde21:/main.c?ds=sidebyside
diff --git a/main.c b/main.c
index 964fad6..9c10958 100644
--- a/main.c
+++ b/main.c
@@ -1,20 +1,16 @@
-/* (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>
- * See LICENSE file for license details.
- */
+/* See LICENSE file for copyright and license details. */
#include "dmenu.h"
-
#include <ctype.h>
#include <locale.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.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 */
@@ -26,11 +22,12 @@ struct Item {
static char text[4096];
static char *prompt = NULL;
-static int mx, my, mw, mh;
+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 */
@@ -108,6 +105,69 @@ drawmenu(void) {
XFlush(dpy);
}
+static Bool
+grabkeyboard(void) {
+ unsigned int len;
+
+ for(len = 1000; len; len--) {
+ if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+ == GrabSuccess)
+ break;
+ usleep(1000);
+ }
+ return len > 0;
+}
+
+static unsigned long
+initcolor(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
+initfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ if(!fontstr || fontstr[0] == '\0')
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ 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;
@@ -148,13 +208,20 @@ match(char *pattern) {
static void
kpress(XKeyEvent * e) {
char buf[32];
- int num, prev_nitem;
- unsigned int i, len;
+ int i, num;
+ unsigned int len;
KeySym ksym;
len = strlen(text);
buf[0] = 0;
num = XLookupString(e, buf, sizeof buf, &ksym, 0);
+ if(IsKeypadKey(ksym)) {
+ 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;
+ }
+ }
if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
|| IsMiscFunctionKey(ksym) || IsPFKey(ksym)
|| IsPrivateKeypadKey(ksym))
@@ -164,17 +231,61 @@ kpress(XKeyEvent * e) {
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;
}
}
@@ -190,21 +301,19 @@ kpress(XKeyEvent * e) {
}
break;
case XK_BackSpace:
- if((i = len)) {
- prev_nitem = nitem;
- do {
- text[--i] = 0;
- match(text);
- } while(i && nitem && prev_nitem == nitem);
+ if(len) {
+ text[--len] = 0;
match(text);
}
break;
case XK_End:
+ if(!item)
+ return;
while(next) {
sel = curr = next;
calcoffsets();
}
- while(sel->right)
+ while(sel && sel->right)
sel = sel->right;
break;
case XK_Escape:
@@ -212,6 +321,8 @@ kpress(XKeyEvent * e) {
running = False;
break;
case XK_Home:
+ if(!item)
+ return;
sel = curr = item;
calcoffsets();
break;
@@ -225,16 +336,16 @@ kpress(XKeyEvent * e) {
}
break;
case XK_Next:
- if(next) {
- sel = curr = next;
- calcoffsets();
- }
+ if(!next)
+ return;
+ sel = curr = next;
+ calcoffsets();
break;
case XK_Prior:
- if(prev) {
- sel = curr = prev;
- calcoffsets();
- }
+ if(!prev)
+ return;
+ sel = curr = prev;
+ calcoffsets();
break;
case XK_Return:
if((e->state & ShiftMask) && text)
@@ -295,6 +406,12 @@ readstdin(void) {
return maxname;
}
+static void
+usage(void) {
+ eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
+ " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+}
+
/* extern */
int screen;
@@ -303,84 +420,84 @@ DC dc = {0};
int
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;
- struct timeval timeout;
+ int i, j;
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(!strncmp(argv[i], "-font", 6)) {
+ if(!strcmp(argv[i], "-b")) {
+ bottom = True;
+ }
+ else if(!strcmp(argv[i], "-fn")) {
if(++i < argc) font = argv[i];
}
- else if(!strncmp(argv[i], "-normbg", 8)) {
+ else if(!strcmp(argv[i], "-nb")) {
if(++i < argc) normbg = argv[i];
}
- else if(!strncmp(argv[i], "-normfg", 8)) {
+ else if(!strcmp(argv[i], "-nf")) {
if(++i < argc) normfg = argv[i];
}
- else if(!strncmp(argv[i], "-selbg", 7)) {
- if(++i < argc) selbg = argv[i];
- }
- else if(!strncmp(argv[i], "-selfg", 7)) {
- if(++i < argc) selfg = argv[i];
- }
- else if(!strncmp(argv[i], "-p", 3)) {
+ else if(!strcmp(argv[i], "-p")) {
if(++i < argc) prompt = argv[i];
}
- else if(!strncmp(argv[i], "-t", 3)) {
- if(++i < argc) timeout.tv_sec = atoi(argv[i]);
+ else if(!strcmp(argv[i], "-sb")) {
+ if(++i < argc) selbg = argv[i];
}
- else if(!strncmp(argv[i], "-v", 3)) {
- fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
- exit(EXIT_SUCCESS);
+ else if(!strcmp(argv[i], "-sf")) {
+ if(++i < argc) selfg = argv[i];
}
+ else if(!strcmp(argv[i], "-v"))
+ eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
else
- eprint("usage: dmenu [-font <name>] [-{norm,sel}{bg,fg} <color>] [-p <prompt>] [-t <seconds>] [-v]\n", stdout);
+ usage();
setlocale(LC_CTYPE, "");
dpy = XOpenDisplay(0);
if(!dpy)
eprint("dmenu: cannot open display\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
-
- /* 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();
+ if(isatty(STDIN_FILENO)) {
+ maxname = readstdin();
+ running = grabkeyboard();
+ }
+ else { /* prevent keypress loss */
+ running = grabkeyboard();
+ 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.norm[ColBG] = getcolor(normbg);
- dc.norm[ColFG] = getcolor(normfg);
- dc.sel[ColBG] = getcolor(selbg);
- dc.sel[ColFG] = getcolor(selfg);
- setfont(font);
+ dc.norm[ColBG] = initcolor(normbg);
+ dc.norm[ColFG] = initcolor(normfg);
+ dc.sel[ColBG] = initcolor(selbg);
+ dc.sel[ColFG] = initcolor(selfg);
+ initfont(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 + 2;
- win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
+ 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);
@@ -388,6 +505,8 @@ main(int argc, char *argv[]) {
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(!dc.font.set)
+ XSetFont(dpy, dc.gc, dc.font.xfont->fid);
if(maxname)
cmdw = textw(maxname);
if(cmdw > mw / 3)
@@ -430,7 +549,6 @@ main(int argc, char *argv[]) {
XFreePixmap(dpy, dc.drawable);
XFreeGC(dpy, dc.gc);
XDestroyWindow(dpy, win);
-UninitializedEnd:
XUngrabKeyboard(dpy, CurrentTime);
XCloseDisplay(dpy);
return ret;