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commit 197a619f167b30880d15a223c6447abb69426016
parent 06b78812b081c76060994a36e2d23281bf33da1a
Author: bit9tream <bit6tream@cock.li>
Date:   Thu, 11 Jun 2020 23:49:23 +0300

patch that allows to select and deselect multiple items

(kinda similar to fzf's multi-select feature)

Diffstat:
A
tools.suckless.org/dmenu/patches/multi-selection/dmenu-multi-selection-4.9.diff
 | 
111
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
tools.suckless.org/dmenu/patches/multi-selection/index.md
 | 
15
+++++++++++++++

2 files changed, 126 insertions(+), 0 deletions(-)
diff --git a/tools.suckless.org/dmenu/patches/multi-selection/dmenu-multi-selection-4.9.diff b/tools.suckless.org/dmenu/patches/multi-selection/dmenu-multi-selection-4.9.diff
@@ -0,0 +1,111 @@
+diff --git a/dmenu.c b/dmenu.c
+index 6b8f51b..c1e86b5 100644
+--- a/dmenu.c
++++ b/dmenu.c
+@@ -31,7 +31,8 @@ enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
+ struct item {
+ 	char *text;
+ 	struct item *left, *right;
+-	int out;
++
++	int id; /* for multiselect */
+ };
+ 
+ static char text[BUFSIZ] = "";
+@@ -45,6 +46,9 @@ static struct item *matches, *matchend;
+ static struct item *prev, *curr, *next, *sel;
+ static int mon = -1, screen;
+ 
++static int *selid = NULL;
++static unsigned int selidsize = 0;
++
+ static Atom clip, utf8;
+ static Display *dpy;
+ static Window root, parentwin, win;
+@@ -58,6 +62,15 @@ static Clr *scheme[SchemeLast];
+ static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+ static char *(*fstrstr)(const char *, const char *) = strstr;
+ 
++static int
++issel(size_t id)
++{
++	for (int i = 0;i < selidsize;i++)
++		if (selid[i] == id)
++			return 1;
++	return 0;
++}
++
+ static void
+ appenditem(struct item *item, struct item **list, struct item **last)
+ {
+@@ -100,6 +113,7 @@ cleanup(void)
+ 	drw_free(drw);
+ 	XSync(dpy, False);
+ 	XCloseDisplay(dpy);
++	free(selid);
+ }
+ 
+ static char *
+@@ -118,7 +132,7 @@ drawitem(struct item *item, int x, int y, int w)
+ {
+ 	if (item == sel)
+ 		drw_setscheme(drw, scheme[SchemeSel]);
+-	else if (item->out)
++	else if (issel(item->id))
+ 		drw_setscheme(drw, scheme[SchemeOut]);
+ 	else
+ 		drw_setscheme(drw, scheme[SchemeNorm]);
+@@ -367,6 +381,21 @@ keypress(XKeyEvent *ev)
+ 			goto draw;
+ 		case XK_Return:
+ 		case XK_KP_Enter:
++			if (issel(sel->id))
++				for (int i = 0;i < selidsize;i++) {
++					if (selid[i] == sel->id)
++						selid[i] = -1;
++				}
++			else {
++				for (int i = 0;i < selidsize;i++)
++					if (selid[i] == -1) {
++						selid[i] = sel->id;
++						return;
++					}
++				selidsize++;
++				selid = realloc(selid, (selidsize + 1) * sizeof(int));
++				selid[selidsize - 1] = sel->id;
++			}
+ 			break;
+ 		case XK_bracketleft:
+ 			cleanup();
+@@ -464,13 +493,19 @@ insert:
+ 		break;
+ 	case XK_Return:
+ 	case XK_KP_Enter:
+-		puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
+ 		if (!(ev->state & ControlMask)) {
++			for (int i = 0;i < selidsize;i++)
++				if (selid[i] != -1)
++					puts(items[selid[i]].text);
++			if (!issel(sel->id)) {
++				if (sel && !(ev->state & ShiftMask))
++					puts(sel->text);
++				else
++					puts(text);
++			}
+ 			cleanup();
+ 			exit(0);
+ 		}
+-		if (sel)
+-			sel->out = 1;
+ 		break;
+ 	case XK_Right:
+ 		if (text[cursor] != '\0') {
+@@ -534,7 +569,7 @@ readstdin(void)
+ 			*p = '\0';
+ 		if (!(items[i].text = strdup(buf)))
+ 			die("cannot strdup %u bytes:", strlen(buf) + 1);
+-		items[i].out = 0;
++		items[i].id = i; /* for multiselect */
+ 		drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
+ 		if (tmpmax > inputw) {
+ 			inputw = tmpmax;
diff --git a/tools.suckless.org/dmenu/patches/multi-selection/index.md b/tools.suckless.org/dmenu/patches/multi-selection/index.md
@@ -0,0 +1,15 @@
+Multiple selection
+==============
+
+Description
+-----------
+Without this patch when you press `<Control-Enter>` dmenu just outputs current item and you can't undo that.
+But with this patch dmenu will output all selected items only on exit. And you can also deselect any selected item.
+
+Download
+--------
+* [dmenu-multi-selection-4.9.diff](dmenu-multi-selection-4.9.diff)
+
+Authors
+-------
+* bit6tream <bit6tream@cock.li> [bit6tream's gitlab](https://gitlab.com/bit9tream)