From bba6cce573d46b02dbb207b005721b370cab1698 Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Wed, 13 Mar 2024 19:33:30 +0100
Subject: Add initial rudimentary grapheme support

---
 src/tui.c | 39 ++++++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 9 deletions(-)

(limited to 'src/tui.c')

diff --git a/src/tui.c b/src/tui.c
index c6d435d..3379e35 100644
--- a/src/tui.c
+++ b/src/tui.c
@@ -1,4 +1,3 @@
-#include <stdbool.h>
 #define NCURSES_WIDECHAR 1
 #define _GNU_SOURCE
 
@@ -16,6 +15,7 @@
 #include "strbuf.h"
 #include "util.h"
 
+#include "grapheme.h"
 #include <ncurses.h>
 
 #include <unistd.h>
@@ -56,6 +56,7 @@ static void seek_next_selected_tag(void);
 static void delete_current_tag(void);
 static bool tag_name_cmp(const void *p1, const void *p2, void *user);
 static void sort_visible_tags(void);
+static void select_all_tags(void);
 static bool tag_pane_input(wint_t c);
 static void tag_pane_vis(struct pane *pane, int sel);
 
@@ -435,6 +436,20 @@ sort_visible_tags(void)
 		LIST_OFFSET(struct tag, link), NULL);
 }
 
+void
+select_all_tags(void)
+{
+	struct list_link *link;
+	struct tag *tag;
+
+	list_clear(&tags_sel);
+	for (LIST_ITER(&tags, link)) {
+		tag = LIST_UPCAST(link, struct tag, link);
+		list_insert_back(&tags_sel, &tag->link_sel);
+	}
+	playlist_outdated = true;
+}
+
 bool
 tag_pane_input(wint_t c)
 {
@@ -475,6 +490,9 @@ tag_pane_input(wint_t c)
 	case KEY_CTRL(L's'):
 		sort_visible_tags();
 		break;
+	case KEY_CTRL(L'a'):
+		select_all_tags();
+		break;
 	default:
 		return false;
 	}
@@ -950,7 +968,7 @@ cmd_pane_input(wint_t c)
 	case KEY_RIGHT:
 		inputln_right(history->sel);
 		break;
-	case KEY_CTRL('w'):
+	case KEY_CTRL(L'w'):
 		inputln_del(history->sel, history->sel->cur);
 		break;
 	case KEY_UP:
@@ -1012,7 +1030,7 @@ cmd_pane_input(wint_t c)
 		break;
 	default:
 		/* TODO: wide char input support */
-		if (!isprint(c)) return 0;
+		if (c <= 0) break;
 		inputln_addch(history->sel, c);
 		completion_reset = 1;
 		break;
@@ -1117,9 +1135,14 @@ cmd_pane_vis(struct pane *pane, int sel)
 
 		if (sel) { /* show cursor in text */
 			ATTR_ON(pane->win, A_REVERSE);
-			wmove(pane->win, 2, offset + cmd->cur);
-			waddch(pane->win, cmd->cur < cmd->len
-				? cmd->buf[cmd->cur] : L' ');
+			wmove(pane->win, 2, offset + cmd->curpos);
+			if (cmd->cur >= cmd->len) {
+				waddch(pane->win, ' ');
+			} else {
+				size_t n = grapheme_next_character_break_utf8(
+					cmd->buf + cmd->cur, cmd->len - cmd->cur);
+				waddnstr(pane->win, cmd->buf + cmd->cur, n);
+			}
 			ATTR_OFF(pane->win, A_REVERSE);
 		}
 	} else if (user_status && user_status_uptime) {
@@ -1204,11 +1227,9 @@ main_input(wint_t c)
 			pane_sel = pane_after_cmd;
 		break;
 	case KEY_LEFT:
-		if (!player.loaded) break;
 		player_seek(player.time_pos - 10);
 		break;
 	case KEY_RIGHT:
-		if (!player.loaded) break;
 		player_seek(player.time_pos + 10);
 		break;
 	case L'o':
@@ -1356,7 +1377,7 @@ tui_resize(void)
 	leftw = 0;
 	for (LIST_ITER(&tags, link)) {
 		tag = LIST_UPCAST(link, struct tag, link);
-		leftw = MAX(leftw, strlen(tag->name));
+		leftw = MAX(leftw, text_width(tag->name, strlen(tag->name)));
 	}
 	leftw = MAX(leftw + 1, 0.2f * scrw);
 
-- 
cgit v1.2.3-71-gd317