feat: quit when closing last open split

src/keybind/builtin/flow.json

@@ -8,9 +8,13 @@
             ["f1", "open_help"],
             ["ctrl+\\", "add_split"],
             ["ctrl+k w", "close_split"],
+            ["ctrl+1", "focus_split", 0],
+            ["ctrl+2", "focus_split", 1],
+            ["ctrl+3", "focus_split", 2],
+            ["ctrl+4", "focus_split", 3],
             ["ctrl+j", "toggle_panel"],
             ["ctrl+q", "quit"],
-            ["ctrl+w", "quit"],
+            ["ctrl+w", "close_split"],
             ["ctrl+o", "open_file"],
             ["ctrl+e", "open_recent"],
             ["alt+o", "open_previous_file"],
@@ -36,7 +40,6 @@
             ["alt+f11", "toggle_color_scheme"],
             ["f12", "toggle_inputview"],
             ["alt+!", "run_task"],
-            ["ctrl+1", "add_task"],
             ["ctrl+tab", "next_tab"],
             ["ctrl+shift+g", "show_vcs_status"],
             ["ctrl+shift+tab", "previous_tab"],

src/tui/mainview.zig

@@ -778,10 +778,26 @@ const cmds = struct {
     pub const add_split_meta: Meta = .{ .description = "Add split view" };
 
     pub fn close_split(self: *Self, _: Ctx) Result {
+        if (self.views.widgets.items.len == 1)
+            return command.executeName("quit", .{});
         return self.remove_active_view();
     }
     pub const close_split_meta: Meta = .{ .description = "Close split view" };
 
+    pub fn focus_split(self: *Self, ctx: Ctx) Result {
+        var n: usize = undefined;
+        if (!try ctx.args.match(.{tp.extract(&n)})) return error.InvalidFocusSplitArgument;
+
+        if (n > self.views.widgets.items.len) return;
+        if (n == self.views.widgets.items.len)
+            return self.create_home_split();
+
+        if (self.views.get_at(self.active_view)) |view| view.unfocus();
+        self.active_view = n;
+        if (self.views.get_at(self.active_view)) |view| view.focus();
+    }
+    pub const focus_split_meta: Meta = .{ .description = "Focus split view", .arguments = &.{.integer} };
+
     pub fn gutter_mode_next(self: *Self, _: Ctx) Result {
         const config = tui.config_mut();
         const mode: ?@import("config").LineNumberMode = if (config.gutter_line_numbers_mode) |mode| switch (mode) {