diff options
| -rw-r--r-- | dmenu.1 | 5 | ||||
| -rw-r--r-- | dmenu.c | 21 | ||||
| -rw-r--r-- | patches/dmenu-rejectnomatch-4.7.diff | 82 |
3 files changed, 105 insertions, 3 deletions
@@ -3,7 +3,7 @@ dmenu \- dynamic menu .SH SYNOPSIS .B dmenu -.RB [ \-bfivP ] +.RB [ \-bfirvP ] .RB [ \-l .IR lines ] .RB [ \-h @@ -67,6 +67,9 @@ dmenu matches menu items case insensitively. .B \-P dmenu will not directly display the keyboard input, but instead replace it with dots. All data from stdin will be ignored. .TP +.B \-r +dmenu will reject any input which would result in no matching option left. +.TP .BI \-l " lines" dmenu lists items vertically, with the given number of lines. .TP @@ -46,6 +46,7 @@ static char * (*sepchr)(const char *, int); static int bh, mw, mh; static int inputw = 0, promptw, passwd = 0; static int lrpad; /* sum of left and right padding */ +static int reject_no_match = 0; static size_t cursor; static struct item *items = NULL; static struct item *matches, *matchend; @@ -433,12 +434,26 @@ insert(const char *str, ssize_t n) { if (strlen(text) + n > sizeof text - 1) return; + + static char last[BUFSIZ] = ""; + if(reject_no_match) { + /* store last text value in case we need to revert it */ + memcpy(last, text, BUFSIZ); + } + /* move existing text out of the way, insert new text, and update cursor */ memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); if (n > 0) memcpy(&text[cursor], str, n); cursor += n; match(); + + if(!matches && reject_no_match) { + /* revert to last text value if theres no match */ + memcpy(text, last, BUFSIZ); + cursor -= n; + match(); + } } static size_t @@ -1010,7 +1025,7 @@ setup(void) static void usage(void) { - die("usage: dmenu [-bfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" + die("usage: dmenu [-bfirvP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n" " [-nhb color] [-nhf color] [-shb color] [-shf color]\n" " [-d separator] [-D separator] [-h height]"); @@ -1038,8 +1053,10 @@ main(int argc, char *argv[]) else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ fstrncmp = strncasecmp; fstrstr = cistrstr; - } else if (!strcmp(argv[i], "-P")) /* is the input a password */ + } else if (!strcmp(argv[i], "-P")) /* is the input a password */ passwd = 1; + else if (!strcmp(argv[i], "-r")) /* reject input which results in no match */ + reject_no_match = 1; else if (i + 1 == argc) usage(); /* these options take one argument */ diff --git a/patches/dmenu-rejectnomatch-4.7.diff b/patches/dmenu-rejectnomatch-4.7.diff new file mode 100644 index 0000000..329ab1d --- /dev/null +++ b/patches/dmenu-rejectnomatch-4.7.diff @@ -0,0 +1,82 @@ +diff --git a/dmenu.1 b/dmenu.1 +index 9eab758..61084ab 100644 +--- a/dmenu.1 ++++ b/dmenu.1 +@@ -3,7 +3,7 @@ + dmenu \- dynamic menu + .SH SYNOPSIS + .B dmenu +-.RB [ \-bfiv ] ++.RB [ \-bfirv ] + .RB [ \-l + .IR lines ] + .RB [ \-m +@@ -47,6 +47,9 @@ X until stdin reaches end\-of\-file. + .B \-i + dmenu matches menu items case insensitively. + .TP ++.B \-r ++dmenu will reject any input which would result in no matching option left. ++.TP + .BI \-l " lines" + dmenu lists items vertically, with the given number of lines. + .TP +diff --git a/dmenu.c b/dmenu.c +index d605ab4..7505278 100644 +--- a/dmenu.c ++++ b/dmenu.c +@@ -38,6 +38,7 @@ static char *embed; + static int bh, mw, mh; + static int inputw = 0, promptw; + static int lrpad; /* sum of left and right padding */ ++static int reject_no_match = 0; + static size_t cursor; + static struct item *items = NULL; + static struct item *matches, *matchend; +@@ -268,12 +269,26 @@ insert(const char *str, ssize_t n) + { + if (strlen(text) + n > sizeof text - 1) + return; ++ ++ static char last[BUFSIZ] = ""; ++ if(reject_no_match) { ++ /* store last text value in case we need to revert it */ ++ memcpy(last, text, BUFSIZ); ++ } ++ + /* move existing text out of the way, insert new text, and update cursor */ + memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); + if (n > 0) + memcpy(&text[cursor], str, n); + cursor += n; + match(); ++ ++ if(!matches && reject_no_match) { ++ /* revert to last text value if theres no match */ ++ memcpy(text, last, BUFSIZ); ++ cursor -= n; ++ match(); ++ } + } + + static size_t +@@ -636,7 +651,7 @@ setup(void) + static void + usage(void) + { +- fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" ++ fputs("usage: dmenu [-bfirv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" + " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr); + exit(1); + } +@@ -659,7 +674,9 @@ main(int argc, char *argv[]) + else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ + fstrncmp = strncasecmp; + fstrstr = cistrstr; +- } else if (i + 1 == argc) ++ } else if (!strcmp(argv[i], "-r")) /* reject input which results in no match */ ++ reject_no_match = 1; ++ else if (i + 1 == argc) + usage(); + /* these options take one argument */ + else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ |