further cleanup

src/config/custom.zig

@@ -14,7 +14,7 @@ pub const UNDEFINED_CMD: []const u8 = "echo \"You forgot to define 'cmd'!\"";
 pub const customCommandInfo = struct {
     name: []const u8 = "",
     cmd: []const u8 = UNDEFINED_CMD,
-    /// SET TO LABELS LID!!!
+    /// To be set to the label widget's `lid`
     id: u64 = 0, 
 
     /// In frames, the refresh rate for the `cmd` to run again

src/main.zig

@@ -1080,10 +1080,10 @@ pub fn main() !void {
     var iter = CustomCommands.binds.iterator();
     while (iter.next()) |i| {
         const concat = try std.mem.concat(state.allocator, u8, 
-                &[_][]u8{
-                    @constCast(i.key_ptr.*),
-                    @constCast(" "),
-                    @constCast(i.value_ptr.name)
+                &[_][]const u8{
+                    i.key_ptr.*,
+                    " ",
+                    i.value_ptr.name
                 }
             );
         try state.custom_binds.append(state.allocator, .{
@@ -1731,22 +1731,30 @@ fn updateCustomInfo(lbl: *Label, ptr: *anyopaque) !void {
             c.stderr_behavior = .Pipe;
             c.stdout_behavior = .Pipe;
             try c.spawn();
+
+
             c.collectOutput(state.allocator, &stdout, &stderr, state.buffer.width) catch {
-                try stdout.print(state.allocator, "{s}: [Output too long!]", .{i.info.name});
+                try stdout.print(state.allocator, "{s}: [Output too long]", .{i.info.name});
             };
-            if (stdout.items.len > state.buffer.width) {
-                stdout.clearRetainingCapacity();
-                try stdout.print(state.allocator, "{s}: [Output too long!]", .{i.info.name});
-            }
+
             const newlineIdx = std.mem.indexOfAny(u8, stdout.items, "\n");
             if (newlineIdx) |idx| {
                 stdout.shrinkAndFree(state.allocator, idx);
             }
+
+            if (stdout.items.len > state.buffer.width) {
+                stdout.clearRetainingCapacity();
+                try stdout.print(state.allocator, "{s}: [Output too long]", .{i.info.name});
+            }
+
             _ = try c.wait();
             if (stdout.items.len != 0 and !std.ascii.isPrint(stdout.items[stdout.items.len-1]))
                 _ = stdout.pop()
             else if (stdout.items.len == 0)
-                try stdout.print(state.allocator, "{s}: [Command didn't print anything!]", .{i.info.name});
+                try stdout.print(state.allocator, "{s}: [No output{s}]", .{
+                    i.info.name,
+                    if (stderr.items.len > 0) ". Check command" else ""
+                });
             state.allocator.free(lbl.text);
             lbl.text = try state.allocator.dupe(u8, stdout.items);
 

src/tui/components/Label.zig

@@ -9,6 +9,7 @@ const TerminalBuffer = @import("../TerminalBuffer.zig");
 const Widget = @import("../Widget.zig");
 
 lid: u64, // HACK: we need to differenciate between labels in `updateCustomInfo`.
+          // The underlying widget ID doesn't have the properties needed.
 allocator: ?Allocator,
 text: []const u8,
 max_width: ?usize,