scklss/dmenu-5.0/dmenu-highlight-20201211-fcdc159.diff

98 lines
3.1 KiB
Diff

From fcdc1593ed418166f20b7e691a49b1e6eefc116e Mon Sep 17 00:00:00 2001
From: Nathaniel Evan <nathanielevan@zohomail.com>
Date: Fri, 11 Dec 2020 11:08:12 +0700
Subject: [PATCH] Highlight matched text in a different color scheme
---
config.def.h | 3 +++
dmenu.c | 44 +++++++++++++++++++++++++++++++++++++++++---
2 files changed, 44 insertions(+), 3 deletions(-)
diff --git a/config.def.h b/config.def.h
index 1edb647..79be73a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -11,7 +11,10 @@ static const char *colors[SchemeLast][2] = {
/* fg bg */
[SchemeNorm] = { "#bbbbbb", "#222222" },
[SchemeSel] = { "#eeeeee", "#005577" },
+ [SchemeSelHighlight] = { "#ffc978", "#005577" },
+ [SchemeNormHighlight] = { "#ffc978", "#222222" },
[SchemeOut] = { "#000000", "#00ffff" },
+ [SchemeOutHighlight] = { "#ffc978", "#00ffff" },
};
/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
static unsigned int lines = 0;
diff --git a/dmenu.c b/dmenu.c
index 65f25ce..cce1ad1 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -26,8 +26,7 @@
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
/* enums */
-enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
-
+enum { SchemeNorm, SchemeSel, SchemeOut, SchemeNormHighlight, SchemeSelHighlight, SchemeOutHighlight, SchemeLast }; /* color schemes */
struct item {
char *text;
struct item *left, *right;
@@ -113,6 +112,43 @@ cistrstr(const char *s, const char *sub)
return NULL;
}
+static void
+drawhighlights(struct item *item, int x, int y, int maxw)
+{
+ char restorechar, tokens[sizeof text], *highlight, *token;
+ int indentx, highlightlen;
+
+ drw_setscheme(drw, scheme[item == sel ? SchemeSelHighlight : item->out ? SchemeOutHighlight : SchemeNormHighlight]);
+ strcpy(tokens, text);
+ for (token = strtok(tokens, " "); token; token = strtok(NULL, " ")) {
+ highlight = fstrstr(item->text, token);
+ while (highlight) {
+ // Move item str end, calc width for highlight indent, & restore
+ highlightlen = highlight - item->text;
+ restorechar = *highlight;
+ item->text[highlightlen] = '\0';
+ indentx = TEXTW(item->text);
+ item->text[highlightlen] = restorechar;
+
+ // Move highlight str end, draw highlight, & restore
+ restorechar = highlight[strlen(token)];
+ highlight[strlen(token)] = '\0';
+ if (indentx - (lrpad / 2) - 1 < maxw)
+ drw_text(
+ drw,
+ x + indentx - (lrpad / 2) - 1,
+ y,
+ MIN(maxw - indentx, TEXTW(highlight) - lrpad),
+ bh, 0, highlight, 0
+ );
+ highlight[strlen(token)] = restorechar;
+
+ if (strlen(highlight) - strlen(token) < strlen(token)) break;
+ highlight = fstrstr(highlight + strlen(token), token);
+ }
+ }
+}
+
static int
drawitem(struct item *item, int x, int y, int w)
{
@@ -123,7 +159,9 @@ drawitem(struct item *item, int x, int y, int w)
else
drw_setscheme(drw, scheme[SchemeNorm]);
- return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+ int r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+ drawhighlights(item, x, y, w);
+ return r;
}
static void
--
2.29.2