fix: save file when toggling auto_save on

closes #344

src/buffer/Buffer.zig

@@ -42,6 +42,7 @@ last_save_eol_mode: EolMode = .lf,
 file_utf8_sanitized: bool = false,
 hidden: bool = false,
 ephemeral: bool = false,
+auto_save: bool = false,
 meta: ?[]const u8 = null,
 lsp_version: usize = 1,
 
@@ -1479,6 +1480,18 @@ pub fn mark_not_ephemeral(self: *Self) void {
     self.ephemeral = false;
 }
 
+pub fn enable_auto_save(self: *Self) void {
+    self.auto_save = true;
+}
+
+pub fn disable_auto_save(self: *Self) void {
+    self.auto_save = false;
+}
+
+pub fn is_auto_save(self: *const Self) bool {
+    return self.auto_save;
+}
+
 pub fn is_dirty(self: *const Self) bool {
     return if (!self.file_exists)
         self.root.length() > 0
@@ -1570,16 +1583,18 @@ pub fn write_state(self: *const Self, writer: *std.Io.Writer) error{ Stop, OutOf
     try self.root.store(&content.writer, self.file_eol_mode);
     const dirty = self.is_dirty();
 
-    try cbor.writeArrayHeader(writer, 9);
-    try cbor.writeValue(writer, self.get_file_path());
-    try cbor.writeValue(writer, self.file_exists);
-    try cbor.writeValue(writer, self.file_eol_mode);
-    try cbor.writeValue(writer, self.hidden);
-    try cbor.writeValue(writer, self.ephemeral);
-    try cbor.writeValue(writer, dirty);
-    try cbor.writeValue(writer, self.meta);
-    try cbor.writeValue(writer, self.file_type_name);
-    try cbor.writeValue(writer, content.written());
+    try cbor.writeValue(writer, .{
+        self.get_file_path(),
+        self.file_exists,
+        self.file_eol_mode,
+        self.hidden,
+        self.ephemeral,
+        self.auto_save,
+        dirty,
+        self.meta,
+        self.file_type_name,
+        content.written(),
+    });
 }
 
 pub const ExtractStateOperation = enum { none, open_file };
@@ -1597,6 +1612,7 @@ pub fn extract_state(self: *Self, iter: *[]const u8) !void {
         cbor.extract(&self.file_eol_mode),
         cbor.extract(&self.hidden),
         cbor.extract(&self.ephemeral),
+        cbor.extract(&self.auto_save),
         cbor.extract(&dirty),
         cbor.extract(&meta),
         cbor.extract(&file_type_name),

src/tui/editor.zig

@@ -383,7 +383,6 @@ pub const Editor = struct {
     completion_col: usize = 0,
     completion_is_complete: bool = true,
 
-    enable_auto_save: bool,
     enable_format_on_save: bool,
 
     restored_state: bool = false,
@@ -411,11 +410,10 @@ pub const Editor = struct {
     }
 
     pub fn write_state(self: *const Self, writer: *std.Io.Writer) !void {
-        try cbor.writeArrayHeader(writer, 11);
+        try cbor.writeArrayHeader(writer, 10);
         try cbor.writeValue(writer, self.file_path orelse "");
         try cbor.writeValue(writer, self.last_find_query orelse "");
         try cbor.writeValue(writer, self.enable_format_on_save);
-        try cbor.writeValue(writer, self.enable_auto_save);
         try cbor.writeValue(writer, self.indent_size);
         try cbor.writeValue(writer, self.tab_width);
         try cbor.writeValue(writer, self.indent_mode);
@@ -450,7 +448,6 @@ pub const Editor = struct {
             tp.extract(&file_path),
             tp.extract(&last_find_query),
             tp.extract(&self.enable_format_on_save),
-            tp.extract(&self.enable_auto_save),
             tp.extract(&self.indent_size),
             tp.extract(&self.tab_width),
             tp.extract(&self.indent_mode),
@@ -514,7 +511,6 @@ pub const Editor = struct {
             .animation_lag = get_animation_max_lag(),
             .animation_frame_rate = frame_rate,
             .animation_last_time = time.microTimestamp(),
-            .enable_auto_save = tui.config().enable_auto_save,
             .enable_format_on_save = tui.config().enable_format_on_save,
             .enable_terminal_cursor = tui.config().enable_terminal_cursor,
             .render_whitespace = from_whitespace_mode(tui.config().whitespace_mode),
@@ -598,6 +594,7 @@ pub const Editor = struct {
             defer frame.deinit();
             break :blk try self.buffer_manager.open_file(file_path);
         };
+        if (tui.config().enable_auto_save) buffer.enable_auto_save();
         return self.open_buffer(file_path, buffer, null);
     }
 
@@ -689,6 +686,7 @@ pub const Editor = struct {
             buffer.file_type_icon = fti;
             buffer.file_type_color = ftc;
         }
+        const auto_save = if (self.buffer) |b| b.is_auto_save() else false;
 
         if (buffer_meta) |meta| {
             const frame_ = tracy.initZone(@src(), .{ .name = "extract_state" });
@@ -696,12 +694,13 @@ pub const Editor = struct {
             var iter = meta;
             try self.extract_state(&iter, .none);
         }
-        try self.send_editor_open(file_path, new_buf.file_exists, ftn, fti, ftc);
+        try self.send_editor_open(file_path, new_buf.file_exists, ftn, fti, ftc, auto_save);
     }
 
     fn maybe_enable_auto_save(self: *Self) void {
+        const buffer = self.buffer orelse return;
         if (self.restored_state) return;
-        self.enable_auto_save = false;
+        buffer.disable_auto_save();
         if (!tui.config().enable_auto_save) return;
         const self_file_type = self.file_type orelse return;
 
@@ -712,7 +711,7 @@ pub const Editor = struct {
                     break :enable;
             return;
         }
-        self.enable_auto_save = true;
+        buffer.enable_auto_save();
     }
 
     fn detect_indent_mode(self: *Self, content: []const u8) void {
@@ -769,7 +768,7 @@ pub const Editor = struct {
         if (self.file_path) |file_path| {
             if (self.buffer) |b_mut| try b_mut.store_to_file_and_clean(file_path);
         } else return error.SaveNoFileName;
-        try self.send_editor_save(self.file_path.?);
+        try self.send_editor_save(self.file_path.?, b.is_auto_save());
         self.last.dirty = false;
         self.update_event() catch {};
     }
@@ -1752,12 +1751,12 @@ pub const Editor = struct {
             self.handlers.msg(.{ "E", "location", tag, c.row, c.col });
     }
 
-    fn send_editor_open(self: *const Self, file_path: []const u8, file_exists: bool, file_type: []const u8, file_icon: []const u8, file_color: u24) !void {
-        _ = try self.handlers.msg(.{ "E", "open", file_path, file_exists, file_type, file_icon, file_color });
+    fn send_editor_open(self: *const Self, file_path: []const u8, file_exists: bool, file_type: []const u8, file_icon: []const u8, file_color: u24, auto_save: bool) !void {
+        _ = try self.handlers.msg(.{ "E", "open", file_path, file_exists, file_type, file_icon, file_color, auto_save });
     }
 
-    fn send_editor_save(self: *const Self, file_path: []const u8) !void {
-        _ = try self.handlers.msg(.{ "E", "save", file_path });
+    fn send_editor_save(self: *const Self, file_path: []const u8, auto_save: bool) !void {
+        _ = try self.handlers.msg(.{ "E", "save", file_path, auto_save });
         if (self.syntax) |_| project_manager.did_save(file_path) catch {};
     }
 
@@ -1765,6 +1764,10 @@ pub const Editor = struct {
         _ = try self.handlers.msg(.{ "E", "dirty", file_dirty });
     }
 
+    fn send_editor_auto_save(self: *const Self, auto_save: bool) !void {
+        _ = try self.handlers.msg(.{ "E", "auto_save", auto_save });
+    }
+
     fn token_from(p: ?*const anyopaque) usize {
         return if (p) |p_| @intFromPtr(p_) else 0;
     }
@@ -1781,7 +1784,7 @@ pub const Editor = struct {
         _ = try self.handlers.msg(.{ "E", "update", token_from(new_root), token_from(old_root), @intFromEnum(eol_mode) });
         if (self.buffer) |buffer| if (self.syntax) |_| if (self.file_path) |file_path| if (old_root != null and new_root != null)
             project_manager.did_change(file_path, buffer.lsp_version, try text_from_root(new_root, eol_mode), try text_from_root(old_root, eol_mode), eol_mode) catch {};
-        if (self.enable_auto_save)
+        if (self.buffer) |b| if (b.is_auto_save())
             tp.self_pid().send(.{ "cmd", "save_file", .{} }) catch {};
     }
 
@@ -5005,7 +5008,14 @@ pub const Editor = struct {
     pub const SaveOption = enum { default, format, no_format };
 
     pub fn toggle_auto_save(self: *Self, _: Context) Result {
-        self.enable_auto_save = !self.enable_auto_save;
+        const buffer = self.buffer orelse return;
+        if (!buffer.is_auto_save())
+            buffer.enable_auto_save()
+        else
+            buffer.disable_auto_save();
+        self.send_editor_auto_save(buffer.is_auto_save()) catch {};
+        if (buffer.is_auto_save())
+            tp.self_pid().send(.{ "cmd", "save_file", .{} }) catch {};
     }
     pub const toggle_auto_save_meta: Meta = .{ .description = "Toggle auto save" };
 
@@ -6136,7 +6146,8 @@ pub const Editor = struct {
             buffer.file_type_color = ftc;
         }
         const file_exists = if (self.buffer) |b| b.file_exists else false;
-        try self.send_editor_open(self.file_path orelse "", file_exists, ftn, fti, ftc);
+        const auto_save = if (self.buffer) |b| b.is_auto_save() else false;
+        try self.send_editor_open(self.file_path orelse "", file_exists, ftn, fti, ftc, auto_save);
         self.logger.print("file type {s}", .{file_type});
     }
     pub const set_file_type_meta: Meta = .{ .arguments = &.{.string} };

src/tui/status/filestate.zig

@@ -37,6 +37,7 @@ file: bool = false,
 eol_mode: Buffer.EolMode = .lf,
 utf8_sanitized: bool = false,
 indent_mode: config.IndentMode = .spaces,
+auto_save: bool = false,
 
 const project_icon = "";
 const Self = @This();
@@ -141,7 +142,7 @@ fn render_normal(self: *Self, plane: *Plane, theme: *const Widget.Theme) void {
         self.render_file_icon(plane, theme);
         _ = plane.print(" ", .{}) catch {};
     }
-    _ = plane.putstr(if (!self.file_exists) "󰽂 " else if (self.file_dirty) "󰆓 " else "") catch {};
+    _ = plane.putstr(if (!self.file_exists) "󰽂 " else if (self.auto_save) "󱑛 " else if (self.file_dirty) "󰆓 " else "") catch {};
     _ = plane.print("{s}", .{self.name}) catch {};
     return;
 }
@@ -166,7 +167,7 @@ fn render_detailed(self: *Self, plane: *Plane, theme: *const Widget.Theme) void
             .tabs => "[⭾ = ␉]",
         };
 
-        _ = plane.putstr(if (!self.file_exists) "󰽂" else if (self.file_dirty) "󰆓" else "󱣪") catch {};
+        _ = plane.putstr(if (!self.file_exists) "󰽂" else if (self.auto_save) "󱑛" else if (self.file_dirty) "󰆓" else "󱣪") catch {};
         _ = plane.print(" {s}:{d}:{d}", .{ self.name, self.line + 1, self.column + 1 }) catch {};
         _ = plane.print(" of {d} lines", .{self.lines}) catch {};
         if (self.file_type.len > 0)
@@ -225,15 +226,26 @@ fn process_event(self: *Self, m: tp.message) error{Exit}!bool {
         return false;
     if (try m.match(.{ tp.any, "dirty", tp.extract(&file_dirty) })) {
         self.file_dirty = file_dirty;
+    } else if (try m.match(.{ tp.any, "auto_save", tp.extract(&self.auto_save) })) {
+        //
     } else if (try m.match(.{ tp.any, "eol_mode", tp.extract(&self.eol_mode), tp.extract(&self.utf8_sanitized), tp.extract(&self.indent_mode) })) {
         //
-    } else if (try m.match(.{ tp.any, "save", tp.extract(&file_path) })) {
+    } else if (try m.match(.{ tp.any, "save", tp.extract(&file_path), tp.extract(&self.auto_save) })) {
         @memcpy(self.name_buf[0..file_path.len], file_path);
         self.name = self.name_buf[0..file_path.len];
         self.file_exists = true;
         self.file_dirty = false;
         self.name = project_manager.abbreviate_home(&self.name_buf, self.name);
-    } else if (try m.match(.{ tp.any, "open", tp.extract(&file_path), tp.extract(&self.file_exists), tp.extract(&file_type), tp.extract(&file_icon), tp.extract(&self.file_color) })) {
+    } else if (try m.match(.{
+        tp.any,
+        "open",
+        tp.extract(&file_path),
+        tp.extract(&self.file_exists),
+        tp.extract(&file_type),
+        tp.extract(&file_icon),
+        tp.extract(&self.file_color),
+        tp.extract(&self.auto_save),
+    })) {
         self.eol_mode = .lf;
         @memcpy(self.name_buf[0..file_path.len], file_path);
         self.name = self.name_buf[0..file_path.len];

src/tui/status/tabs.zig

@@ -628,6 +628,7 @@ const Tab = struct {
         const buffer_manager = tui.get_buffer_manager() orelse @panic("tabs no buffer manager");
         const buffer_ = buffer_manager.buffer_from_ref(self.buffer_ref);
         const is_dirty = if (buffer_) |buffer| buffer.is_dirty() else false;
+        const auto_save = if (buffer_) |buffer| buffer.is_auto_save() else false;
         self.render_padding(plane, .left);
         if (self.tab_style.file_type_icon) if (buffer_) |buffer| if (buffer.file_type_icon) |icon| {
             const color_: ?u24 = if (buffer.file_type_color) |color| if (!(color == 0xFFFFFF or color == 0x000000 or color == 0x000001)) color else null else null;
@@ -653,7 +654,7 @@ const Tab = struct {
                 self.close_pos = plane.cursor_x();
                 _ = plane.putstr(self.tabbar.tab_style.close_icon) catch {};
             }
-        } else if (is_dirty) {
+        } else if (is_dirty and !auto_save) {
             if (self.tab_style.dirty_indicator_fg) |color|
                 plane.set_style(.{ .fg = color.from_theme(theme) });
             _ = plane.putstr(self.tabbar.tab_style.dirty_indicator) catch {};