Merge branch 'master' into zig-0.14

src/tui/editor_gutter.zig

@@ -18,6 +18,7 @@ const MessageFilter = @import("MessageFilter.zig");
 const tui = @import("tui.zig");
 const ed = @import("editor.zig");
 const DigitStyle = @import("config").DigitStyle;
+const LineNumberMode = @import("config").LineNumberMode;
 
 allocator: Allocator,
 plane: Plane,
@@ -27,8 +28,7 @@ lines: u32 = 0,
 view_rows: u32 = 1,
 view_top: u32 = 1,
 line: usize = 0,
-linenum: bool,
-relative: bool,
+mode: ?LineNumberMode = null,
 render_style: DigitStyle,
 highlight: bool,
 symbols: bool,
@@ -48,8 +48,7 @@ pub fn create(allocator: Allocator, parent: Widget, event_source: Widget, editor
         .allocator = allocator,
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent.plane.*),
         .parent = parent,
-        .linenum = tui.config().gutter_line_numbers,
-        .relative = tui.config().gutter_line_numbers_relative,
+        .mode = tui.config().gutter_line_numbers_mode,
         .render_style = tui.config().gutter_line_numbers_style,
         .highlight = tui.config().highlight_current_line_gutter,
         .symbols = tui.config().gutter_symbols,
@@ -112,9 +111,9 @@ pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
 }
 
 fn update_width(self: *Self) void {
-    if (!self.linenum) return;
+    if (self.mode == .none) return;
     const width = int_width(self.lines);
-    self.width = if (self.relative and width > 4) 4 else @max(width, 2);
+    self.width = if (self.mode == .relative and width > 4) 4 else @max(width, 2);
     self.width += if (self.symbols) 3 else 1;
 }
 
@@ -123,7 +122,23 @@ pub fn layout(self: *Self) Widget.Layout {
 }
 
 inline fn get_width(self: *Self) usize {
-    return if (self.linenum) self.width else if (self.symbols) 3 else 1;
+    return if (self.mode != .none) self.width else if (self.symbols) 3 else 1;
+}
+
+fn get_numbering_mode(self: *const Self) LineNumberMode {
+    return self.mode orelse switch (if (tui.input_mode()) |mode| mode.line_numbers else .absolute) {
+        .relative => .relative,
+        .inherit => if (tui.input_mode_outer()) |mode| from_mode_enum(mode.line_numbers) else .absolute,
+        .absolute => .absolute,
+    };
+}
+
+fn from_mode_enum(mode: anytype) LineNumberMode {
+    return switch (mode) {
+        .relative => .relative,
+        .inherit => .absolute,
+        .absolute => .absolute,
+    };
 }
 
 pub fn render(self: *Self, theme: *const Widget.Theme) bool {
@@ -134,14 +149,10 @@ pub fn render(self: *Self, theme: *const Widget.Theme) bool {
     self.plane.home();
     self.plane.set_style(theme.editor_gutter);
     _ = self.plane.fill(" ");
-    if (self.linenum) {
-        const relative = self.relative or if (tui.input_mode()) |mode| mode.line_numbers == .relative else false;
-        if (relative)
-            self.render_relative(theme)
-        else
-            self.render_linear(theme);
-    } else {
-        self.render_none(theme);
+    switch (self.get_numbering_mode()) {
+        .none => self.render_none(theme),
+        .relative => self.render_relative(theme),
+        .absolute => self.render_linear(theme),
     }
     if (self.symbols)
         self.render_diagnostics(theme);

src/tui/mainview.zig

@@ -572,25 +572,17 @@ const cmds = struct {
 
     pub fn gutter_mode_next(self: *Self, _: Ctx) Result {
         const config = tui.config_mut();
-        var ln = config.gutter_line_numbers;
-        var lnr = config.gutter_line_numbers_relative;
-        if (ln and !lnr) {
-            ln = true;
-            lnr = true;
-        } else if (ln and lnr) {
-            ln = false;
-            lnr = false;
-        } else {
-            ln = true;
-            lnr = false;
-        }
-        config.gutter_line_numbers = ln;
-        config.gutter_line_numbers_relative = lnr;
+        const mode: ?@import("config").LineNumberMode = if (config.gutter_line_numbers_mode) |mode| switch(mode) {
+            .absolute => .relative,
+            .relative => .none,
+            .none => null,
+        } else .relative;
+
+        config.gutter_line_numbers_mode = mode;
         try tui.save_config();
         if (self.widgets.get("editor_gutter")) |gutter_widget| {
             const gutter = gutter_widget.dynamic_cast(@import("editor_gutter.zig")) orelse return;
-            gutter.linenum = ln;
-            gutter.relative = lnr;
+            gutter.mode = mode;
         }
     }
     pub const gutter_mode_next_meta: Meta = .{ .description = "Next gutter mode" };