feat: add helix mode close other buffers and reload all

* x and x! have expected behaviour in Helix mode

src/buffer/Manager.zig

@@ -149,6 +149,17 @@ pub fn save_all(self: *const Self) Buffer.StoreToFileError!void {
     }
 }
 
+pub fn reload_all(self: *const Self) Buffer.LoadFromFileError!void {
+    var i = self.buffers.iterator();
+    while (i.next()) |kv| {
+        const buffer = kv.value_ptr.*;
+        if (buffer.is_ephemeral())
+            buffer.mark_clean()
+        else
+            try buffer.refresh_from_file();
+    }
+}
+
 pub fn delete_all(self: *Self) void {
     var i = self.buffers.iterator();
     while (i.next()) |p| {
@@ -158,6 +169,32 @@ pub fn delete_all(self: *Self) void {
     self.buffers.clearRetainingCapacity();
 }
 
+pub fn delete_others(self: *Self, protected: *Buffer) void {
+    var i = self.buffers.iterator();
+    while (i.next()) |p| {
+        const buffer = p.value_ptr.*;
+        if (buffer != protected) {
+            buffer.reset_to_last_saved();
+            self.close_buffer(buffer);
+        }
+    }
+}
+
+pub fn close_others(self: *Self, protected: *Buffer) usize {
+    var removed: usize = 0;
+    var i = self.buffers.iterator();
+    if (self.is_dirty()) return 0;
+    while (i.next()) |p| {
+        const buffer = p.value_ptr.*;
+        if (buffer != protected) {
+            if (self.buffers.remove(buffer.get_file_path()))
+                removed += 1;
+            buffer.deinit();
+        }
+    }
+    return removed;
+}
+
 pub fn buffer_from_ref(self: *Self, buffer_ref: usize) ?*Buffer {
     var i = self.buffers.iterator();
     while (i.next()) |p|

src/tui/mode/helix.zig

@@ -60,20 +60,16 @@ const cmds_ = struct {
     }
     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_without_saving", .{} } }));
+    }
+    pub const @"x!_meta": Meta = .{ .description = "x! (write/save file and close forcefully, ignoring other unsaved changes)" };
+
     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)" };
 
-    // This one needs some help, the intention is to close only the current buffer
-    // , if is the only buffer, exit...
-    // TODO
-    // pub fn @"x!"(_: *void, _: Ctx) Result {
-    //     try cmd("save_file", .{});
-    //     try cmd("close_file_without_saving", .{});
-    // }
-    // pub const @"x!_meta": Meta = .{ .description = "x! (write/save file and close forcefully, ignoring unsaved changes)" };
-
     pub fn wa(_: *void, _: Ctx) Result {
         if (tui.get_buffer_manager()) |bm|
             bm.save_all() catch |e| return tp.exit_error(e, @errorReturnTrace());
@@ -116,6 +112,12 @@ const cmds_ = struct {
     }
     pub const rl_meta: Meta = .{ .description = "rl (force reload current file)" };
 
+    pub fn rla(_: *void, _: Ctx) Result {
+        if (tui.get_buffer_manager()) |bm|
+            bm.reload_all() catch |e| return tp.exit_error(e, @errorReturnTrace());
+    }
+    pub const rla_meta: Meta = .{ .description = "rla (reload all files discarding the current contents)" };
+
     pub fn o(_: *void, _: Ctx) Result {
         try cmd("open_file", .{});
     }
@@ -152,6 +154,21 @@ const cmds_ = struct {
     }
     pub const @"bc!_meta": Meta = .{ .description = "bc! (Close buffer/tab forcefully, ignoring changes)" };
 
+    pub fn @"bco!"(_: *void, _: Ctx) Result {
+        const mv = tui.mainview() orelse return;
+        if (tui.get_buffer_manager()) |bm| {
+            if (mv.get_active_buffer()) |buffer| bm.delete_others(buffer);
+        }
+    }
+    pub const @"bco!_meta": Meta = .{ .description = "bco! (Close other buffers/tabs forcefully, ignoring changes)" };
+
+    pub fn bco(_: *void, _: Ctx) Result {
+        const mv = tui.mainview() orelse return;
+        const bm = tui.get_buffer_manager() orelse return;
+        if (mv.get_active_buffer()) |buffer| _ = bm.close_others(buffer);
+    }
+    pub const bco_meta: Meta = .{ .description = "bco (Close other buffers/tabs, except this one)" };
+
     pub fn save_selection(_: *void, _: Ctx) Result {
         const logger = log.logger("helix-mode");
         defer logger.deinit();