fast grab patch (thanks Rob)

diff --git a/dmenu.1 b/dmenu.1
index d2a93d1..a4fcfd9 100644 (file)
--- a/dmenu.1
+++ b/dmenu.1
@@ -4,6 +4,7 @@ dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
 .RB [ \-b ]
+.RB [ \-f ]
 .RB [ \-i ]
 .RB [ \-l
 .IR lines ]
@@ -32,9 +33,9 @@ is a dynamic menu for X, originally designed for
 .BR dwm (1).
 It manages huge numbers of user-defined menu items efficiently.
 .P
-dmenu reads a list of newline-separated items from standard input and creates a
-menu.  When the user selects an item or enters any text and presses Return,
-their choice is printed to standard output and dmenu terminates.
+dmenu reads a list of newline-separated items from stdin and creates a menu.
+When the user selects an item or enters any text and presses Return, their
+choice is printed to stdout and dmenu terminates.
 .P
 .B dmenu_run
 is a dmenu script used by dwm which lists programs in the user's PATH and
@@ -47,6 +48,10 @@ is a program used by dmenu_run to find and cache a list of executables.
 .B \-b
 dmenu appears at the bottom of the screen.
 .TP
+.B \-f
+dmenu grabs the keyboard before reading stdin.  This is faster, but may lock up
+X if stdin is from a terminal.
+.TP
 .B \-i
 dmenu matches menu items case insensitively.
 .TP
@@ -66,7 +71,7 @@ defines the font or font set used.
 defines the normal background color.
 .IR #RGB ,
 .IR #RRGGBB ,
-and color names are supported.
+and X color names are supported.
 .TP
 .BI \-nf " color"
 defines the normal foreground color.
@@ -78,7 +83,7 @@ defines the selected background color.
 defines the selected foreground color.
 .TP
 .B \-v
-prints version information to standard output, then exits.
+prints version information to stdout, then exits.
 .SH USAGE
 dmenu is completely controlled by the keyboard.  Besides standard Unix line
 editing and item selection (Up/Down/Left/Right, PageUp/PageDown, Home/End), the
@@ -88,12 +93,11 @@ following keys are recognized:
 Copy the selected item to the input field.
 .TP
 .B Return (Control\-j)
-Confirm selection.  Prints the selected item to standard output and exits,
-returning success.
+Confirm selection.  Prints the selected item to stdout and exits, returning
+success.
 .TP
 .B Shift\-Return (Control\-Shift\-j)
-Confirm input.  Prints the input text to standard output and exits, returning
-success.
+Confirm input.  Prints the input text to stdout and exits, returning success.
 .TP
 .B Escape (Control\-c)
 Exit without selecting an item, returning failure.

diff --git a/dmenu.c b/dmenu.c
index 5be73f7..2193f82 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -64,6 +64,7 @@ static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 
 int
 main(int argc, char *argv[]) {
+       Bool fast = False;
        int i;
 
        progname = "dmenu";
@@ -77,6 +78,8 @@ main(int argc, char *argv[]) {
                        topbar = False;
                else if(!strcmp(argv[i], "-i"))
                        fstrncmp = strncasecmp;
+               else if(!strcmp(argv[i], "-f"))
+                       fast = True;
                else if(i == argc-1)
                        goto usage;
                /* double flags */
@@ -101,13 +104,21 @@ main(int argc, char *argv[]) {
 
        dc = initdc();
        initfont(dc, font);
-       readstdin();
-       setup();
+
+       if(fast) {
+               setup();
+               readstdin();
+       }
+       else {
+               readstdin();
+               setup();
+       }
+       match();
        run();
        return EXIT_FAILURE;
 
 usage:
-       fputs("usage: dmenu [-b] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n"
+       fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n"
              "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
        return EXIT_FAILURE;
 }
@@ -530,5 +541,4 @@ setup(void) {
        inputw = MIN(inputw, mw/3);
        promptw = prompt ? textw(dc, prompt) : 0;
        XMapRaised(dc->dpy, win);
-       match();
 }