app-shells/fzy: add snapshot with working utf-8

Package-Manager: Portage-2.3.41, Repoman-2.3.9

1 files changed, 89 insertions, 0 deletions

diff --git a/app-shells/fzy/files/fzy-add-utf-8-support.patch b/app-shells/fzy/files/fzy-add-utf-8-support.patch
new file mode 100644
index 000000000000..886957379a83
--- /dev/null
+++ b/app-shells/fzy/files/fzy-add-utf-8-support.patch
@@ -0,0 +1,89 @@
+From 8dd7a9f49c2b65f28025902106f364ff11d4170d Mon Sep 17 00:00:00 2001
+From: syrrim <syrrim0@gmail.com>
+Date: Mon, 23 Apr 2018 01:25:48 -0400
+Subject: [PATCH] add utf-8 support to input, fixes #21
+
+- non ascii bytes won't be ignored
+- one can seek over and delete whole utf-8 codepoints at a time
+- the cursor will be positioned properly around double width chars
+---
+ src/tty_interface.c | 31 ++++++++++++++++++++++++++-----
+ 1 file changed, 26 insertions(+), 5 deletions(-)
+
+diff --git a/src/tty_interface.c b/src/tty_interface.c
+index a7d506e..35f2919 100644
+--- a/src/tty_interface.c
++++ b/src/tty_interface.c
+@@ -7,6 +7,14 @@
+ #include "tty_interface.h"
+ #include "../config.h"
+ 
++static int isprint_unicode(char c){
++	return isprint(c) || c & (1<<7);
++}
++
++static int is_boundary(char c) {
++	return ~c & (1<<7) || c & (1<<6);
++}
++
+ static void clear(tty_interface_t *state) {
+ 	tty_t *tty = state->tty;
+ 
+@@ -95,7 +103,10 @@ static void draw(tty_interface_t *state) {
+ 		tty_moveup(tty, num_lines);
+ 	}
+ 
+-	tty_setcol(tty, strlen(options->prompt) + state->cursor);
++	tty_setcol(tty, 0);
++	fputs(options->prompt, tty->fout);
++	for(size_t i=0; i<state->cursor; i++)
++		fputc(state->search[i], tty->fout);
+ 	tty_flush(tty);
+ }
+ 
+@@ -138,9 +149,13 @@ static void action_del_char(tty_interface_t *state) {
+ 		if(state->cursor == 0) {
+ 			return;
+ 		}
++		size_t original_cursor = state->cursor;
+ 
+ 		state->cursor--;
+-		memmove(&state->search[state->cursor], &state->search[state->cursor + 1], length - state->cursor);
++		while(!is_boundary(state->search[state->cursor]) && state->cursor)
++			state->cursor--;
++
++		memmove(&state->search[state->cursor], &state->search[original_cursor], length - original_cursor + 1);
+ 	}
+ }
+ 
+@@ -178,13 +193,19 @@ static void action_next(tty_interface_t *state) {
+ }
+ 
+ static void action_left(tty_interface_t *state) {
+-	if (state->cursor > 0)
++	if (state->cursor > 0){
+ 		state->cursor--;
++		while(!is_boundary(state->search[state->cursor]) && state->cursor)
++			state->cursor--;
++	}
+ }
+ 
+ static void action_right(tty_interface_t *state) {
+-	if (state->cursor < strlen(state->search))
++	if (state->cursor < strlen(state->search)){
+ 		state->cursor++;
++		while(!is_boundary(state->search[state->cursor]))
++			state->cursor++;
++	}
+ }
+ 
+ static void action_beginning(tty_interface_t *state) {
+@@ -315,7 +336,7 @@ static void handle_input(tty_interface_t *state, const char *s) {
+ 
+ 	/* No matching keybinding, add to search */
+ 	for (int i = 0; input[i]; i++)
+-		if (isprint(input[i]))
++		if (isprint_unicode(input[i]))
+ 			append_search(state, input[i]);
+ 
+ 	/* We have processed the input, so clear it */