feat: add automatic dark/light mode support

This adds a new configuration option `light_theme` and support for automatically
switching the active dark/light theme from terminal events.

closes #302

src/keybind/builtin/helix.json

@@ -14,7 +14,6 @@
             ["ctrl+f", "move_scroll_page_down"],
             ["ctrl+u", "move_scroll_half_page_up"],
             ["ctrl+d", "move_scroll_half_page_down"],
-            ["z z", "scroll_view_center"],
             ["ctrl+c", "toggle_comment"],
             ["ctrl+i", "jump_forward"],
             ["ctrl+o", "jump_back"],
@@ -192,7 +191,6 @@
             ["u", "undo"],
 
             ["y", ["enable_selection"], ["copy_helix"], ["enter_mode", "normal"]],
-            ["%", "select_all"],
             ["p", "paste_after"],
 
             ["q", "record_macro"],
@@ -215,7 +213,7 @@
             ["space R", "replace_selections_with_clipboard"],
             ["space ?", "open_command_palette"],
             ["space f", "find_file"],
-            ["space b", "switch_buffers"],
+            ["space b", "buffer_picker"],
             ["space j", "jumplist_picker"],
             ["space s", "symbol_picker"],
             ["space d", "diagnostics_picker"],
@@ -223,7 +221,7 @@
             ["space '", "last_picker"],
             ["space y", "copy"],
             ["space p", "system_paste_after"],
-            ["space /", "find_in_files"],
+            ["space /", "find_in_file"],
             ["space k", "hover"],
             ["space r", "rename_symbol"],
             ["space h", "select_references_to_symbol_under_cursor"],
@@ -267,7 +265,6 @@
             ["ctrl+f", "select_page_down"],
             ["ctrl+u", "select_half_page_up"],
             ["ctrl+d", "select_half_page_down"],
-            ["z z", "scroll_view_center"],
 
             ["ctrl+c", "toggle_comment"],
 
@@ -393,7 +390,6 @@
             ["kp_down", "select_down"],
             ["kp_up", "select_up"],
             ["kp_right", "select_right"],
-            ["%", "select_all"],
 
             ["t", "extend_till_char"],
             ["f", "move_to_char", "select_to_char_right_helix"],
@@ -501,8 +497,8 @@
             ["space R", "replace_selections_with_clipboard"],
             ["space ?", "open_command_palette"],
 
-            ["space f", "find_file"],
+            ["space f", "file_picker"],
-            ["space b", "switch_buffers"],
+            ["space b", "buffer_picker"],
             ["space j", "jumplist_picker"],
             ["space s", "symbol_picker"],
             ["space d", "diagnostics_picker"],
@@ -510,7 +506,7 @@
             ["space '", "last_picker"],
             ["space y", "copy"],
             ["space p", "system_paste_after"],
-            ["space /", "find_in_files"],
+            ["space /", "find_in_file"],
             ["space k", "hover"],
             ["space r", "rename_symbol"],
             ["space h", "select_references_to_symbol_under_cursor"],

src/tui/mode/helix.zig

@@ -45,26 +45,11 @@ const cmds_ = struct {
     }
     pub const @"q!_meta": Meta = .{ .description = "q! (quit without saving)" };
 
-    pub fn @"qa!"(_: *void, _: Ctx) Result {
-        try cmd("quit_without_saving", .{});
-    }
-    pub const @"qa!_meta": Meta = .{ .description = "qa! (quit without saving)" };
-
     pub fn wq(_: *void, _: Ctx) Result {
         try cmd("save_file", command.fmt(.{ "then", .{ "quit", .{} } }));
     }
     pub const wq_meta: Meta = .{ .description = "wq (write/save file and quit)" };
 
-    pub fn x(_: *void, _: Ctx) Result {
-        try cmd("save_file", command.fmt(.{ "then", .{ "quit", .{} } }));
-    }
-    pub const x_meta: Meta = .{ .description = "x (write/save file and quit)" };
-
-    pub fn rl(_: *void, _: Ctx) Result {
-        try cmd("reload_file", .{});
-    }
-    pub const rl_meta: Meta = .{ .description = "rl (force reload current file)" };
-
     pub fn o(_: *void, _: Ctx) Result {
         try cmd("open_file", .{});
     }
@@ -76,26 +61,6 @@ const cmds_ = struct {
     }
     pub const @"wq!_meta": Meta = .{ .description = "wq! (write/save file and quit without saving)" };
 
-    pub fn n(_: *void, _: Ctx) Result {
-        try cmd("create_new_file", .{});
-    }
-    pub const n_meta: Meta = .{ .description = "n (Create new buffer/tab)" };
-
-    pub fn bn(_: *void, _: Ctx) Result {
-        try cmd("next_tab", .{});
-    }
-    pub const bn_meta: Meta = .{ .description = "bn (Next buffer/tab)" };
-
-    pub fn bp(_: *void, _: Ctx) Result {
-        try cmd("previous_tab", .{});
-    }
-    pub const bp_meta: Meta = .{ .description = "bp (Previous buffer/tab)" };
-
-    pub fn bc(_: *void, _: Ctx) Result {
-        try cmd("delete_buffer", .{});
-    }
-    pub const bc_meta: Meta = .{ .description = "bc (Close buffer/tab)" };
-
     pub fn save_selection(_: *void, _: Ctx) Result {
         const logger = log.logger("helix-mode");
         defer logger.deinit();