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1066 // `dir` with its last segment removed ("" when `dir` has a single segment). 1067 fn parentDir(dir: []const u8) []const u8 { 1068 const slash = std.mem.lastIndexOfScalar(u8, dir, '/') orelse return ""; 1069 return dir[0..slash]; 1070 } 1071 1072 // a search result's bottom label: the directory it sits in, empty at the root. 1073 // a directory too wide for the list column is clipped from the left. 1074 fn resultDirLabel(aa: std.mem.Allocator, path: []const u8) ![]const u8 { 1075 const slash = std.mem.lastIndexOfScalar(u8, path, '/') orelse return ""; 1076 const dir = path[0..slash]; 1077 // the row's border and the label's padding take two columns each 1078 const max_width = View.list_max_width - 4; 1079 var width = try xitui.width.displayWidth(dir); 1080 if (width <= max_width) return aa.print(" {s} ", .{dir}); 1081 1082 const ellipsis = ".."; 1083 var iter = (try std.unicode.Utf8View.init(dir)).iterator(); 1084 var start: usize = 0; 1085 while (width > max_width - ellipsis.len) { 1086 const slice = iter.nextCodepointSlice() orelse break; 1087 width -= xitui.width.cellWidth(try std.unicode.utf8Decode(slice)); 1088 start += slice.len; 1089 } 1090 return aa.print(" " ++ ellipsis ++ "{s} ", .{dir[start..]}); 1091 } 1092