feat: add command to toggle syntax highlighting (S-F10)

src/syntax/src/syntax.zig

@@ -58,8 +58,15 @@ pub fn destroy(self: *Self) void {
     self.allocator.destroy(self);
 }
 
+pub fn reset(self: *Self) void {
+    if (self.tree) |tree| {
+        tree.destroy();
+        self.tree = null;
+    }
+}
+
 pub fn refresh_full(self: *Self, content: []const u8) !void {
-    if (self.tree) |tree| tree.destroy();
+    self.reset();
     self.tree = try self.parser.parseString(null, content);
 }
 

src/tui/editor.zig

@@ -3065,7 +3065,11 @@ pub const Editor = struct {
         if (self.syntax_token == token)
             return;
         if (self.syntax) |syn| {
-            if (self.syntax_no_render) return;
+            if (self.syntax_no_render) {
+                syn.reset();
+                self.syntax_token = 0;
+                return;
+            }
             if (!self.syntax_refresh_update)
                 self.syntax_refresh_full = true;
             if (self.syntax_refresh_full) {
@@ -3081,7 +3085,6 @@ pub const Editor = struct {
             } else {
                 try syn.refresh_from_buffer(root, self.metrics);
             }
-            self.syntax_token = token;
         } else {
             var content = std.ArrayList(u8).init(self.allocator);
             defer content.deinit();
@@ -3093,6 +3096,7 @@ pub const Editor = struct {
             if (self.syntax_no_render) return;
             if (self.syntax) |syn| try syn.refresh_full(content.items);
         }
+        self.syntax_token = token;
     }
 
     fn reset_syntax(self: *Self) void {
@@ -3930,6 +3934,15 @@ pub const Editor = struct {
         }
     }
     pub const toggle_eol_mode_meta = .{ .description = "Toggle end of line sequence" };
+
+    pub fn toggle_syntax_highlighting(self: *Self, _: Context) Result {
+        self.syntax_no_render = !self.syntax_no_render;
+        if (self.syntax_no_render) {
+            if (self.syntax) |syn| syn.reset();
+            self.syntax_token = 0;
+        }
+    }
+    pub const toggle_syntax_highlighting_meta = .{ .description = "Toggle syntax highlighting" };
 };
 
 pub fn create(allocator: Allocator, parent: Widget) !Widget {

src/tui/mode/input/flow.zig

@@ -182,6 +182,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
         },
         mod.SHIFT => switch (keypress) {
             key.F03 => self.cmd("goto_prev_match", .{}),
+            key.F10 => self.cmd("toggle_syntax_highlighting", .{}),
             key.F12 => self.cmd("references", .{}),
             key.LEFT => self.cmd("select_left", .{}),
             key.RIGHT => self.cmd("select_right", .{}),
@@ -426,6 +427,7 @@ const hints = tui.KeybindHints.initComptime(.{
     .{ "toggle_inspector_view", "F5, C-F5, C-S-i" },
     .{ "toggle_panel", "C-j, F11" },
     .{ "toggle_whitespace_mode", "C-F10" },
+    .{ "toggle_syntax_highlighting", "S-F10" },
     .{ "to_lower", "A-l" },
     .{ "to_upper", "A-u" },
     .{ "undo", "C-z" },

src/tui/mode/input/vim/insert.zig

@@ -176,6 +176,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
         },
         mod.SHIFT => switch (keypress) {
             key.F03 => self.cmd("goto_prev_match", .{}),
+            key.F10 => self.cmd("toggle_syntax_highlighting", .{}),
             key.LEFT => self.cmd("select_left", .{}),
             key.RIGHT => self.cmd("select_right", .{}),
             key.UP => self.cmd("select_up", .{}),

src/tui/mode/input/vim/normal.zig

@@ -181,6 +181,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
         },
         mod.SHIFT => switch (keypress) {
             key.F03 => self.cmd("goto_prev_match", .{}),
+            key.F10 => self.cmd("toggle_syntax_highlighting", .{}),
             key.LEFT => self.cmd("select_left", .{}),
             key.RIGHT => self.cmd("select_right", .{}),
             key.UP => self.cmd("select_up", .{}),
@@ -611,6 +612,7 @@ const hints = tui.KeybindHints.initComptime(.{
     .{ "toggle_inspector_view", "F5, C-F5, C-S-i" },
     .{ "toggle_panel", "C-j, F11" },
     .{ "toggle_whitespace_mode", "C-F10" },
+    .{ "toggle_syntax_highlighting", "S-F10" },
     .{ "to_lower", "A-l" },
     .{ "to_upper", "A-u" },
     .{ "undo", "C-z" },

src/tui/mode/input/vim/visual.zig

@@ -179,6 +179,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
         },
         mod.SHIFT => switch (keypress) {
             key.F03 => self.cmd("goto_prev_match", .{}),
+            key.F10 => self.cmd("toggle_syntax_highlighting", .{}),
             key.LEFT => self.cmd("select_left", .{}),
             key.RIGHT => self.cmd("select_right", .{}),
             key.UP => self.cmd("select_up", .{}),
@@ -559,6 +560,7 @@ const hints = tui.KeybindHints.initComptime(.{
     .{ "toggle_inspector_view", "F5, C-F5, C-S-i" },
     .{ "toggle_panel", "C-j, F11" },
     .{ "toggle_whitespace_mode", "C-F10" },
+    .{ "toggle_syntax_highlighting", "S-F10" },
     .{ "to_lower", "A-l" },
     .{ "to_upper", "A-u" },
     .{ "undo", "C-z" },