viewById works again, layer still ontop of other things

src/lua/Output.zig

@@ -0,0 +1,182 @@
+const std = @import("std");
+const zlua = @import("zlua");
+
+const Output = @import("../Output.zig");
+
+const server = &@import("../main.zig").server;
+
+// ---@alias output_id integer
+
+// ---Get the ids for all available outputs
+// ---@return output_id[]?
+pub fn get_all_ids(L: *zlua.Lua) i32 {
+  var it = server.root.scene.outputs.iterator(.forward);
+  var index: usize = 1;
+
+  L.newTable();
+
+  while(it.next()) |scene_output| : (index += 1) {
+    if(scene_output.output.data == null) continue;
+
+    const output = @as(*Output, @ptrCast(@alignCast(scene_output.output.data.?)));
+
+    L.pushInteger(@intCast(index));
+    L.pushInteger(@intCast(output.id));
+    L.setTable(-3);
+  }
+
+  return 1;
+}
+
+// ---Get the id for the focused output
+// ---@return output_id?
+pub fn get_focused_id(L: *zlua.Lua) i32 {
+  if(server.seat.focused_output) |output| {
+    L.pushInteger(@intCast(output.id));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get refresh rate for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return integer?
+pub fn get_rate(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    L.pushInteger(@intCast(o.wlr_output.refresh));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get resolution in pixels of the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return { width: integer, height: integer }?
+pub fn get_resolution(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    L.newTable();
+
+    _ = L.pushString("width");
+    L.pushInteger(@intCast(o.wlr_output.width));
+    L.setTable(-3);
+
+    _ = L.pushString("height");
+    L.pushInteger(@intCast(o.wlr_output.height));
+    L.setTable(-3);
+
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get the serial for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return string?
+pub fn get_serial(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    if(o.wlr_output.serial == null) {
+      L.pushNil();
+      return 1;
+    }
+
+    _ = L.pushString(std.mem.span(o.wlr_output.serial.?));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get the make for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return string?
+pub fn get_make(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    if(o.wlr_output.make == null) {
+      L.pushNil();
+      return 1;
+    }
+
+    _ = L.pushString(std.mem.span(o.wlr_output.make.?));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get the model for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return stirng?
+pub fn get_model(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    if(o.wlr_output.model == null) {
+      L.pushNil();
+      return 1;
+    }
+
+    _ = L.pushString(std.mem.span(o.wlr_output.model.?));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get the description for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return stirng?
+pub fn get_description(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    if(o.wlr_output.description == null) {
+      L.pushNil();
+      return 1;
+    }
+
+    _ = L.pushString(std.mem.span(o.wlr_output.description.?));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}
+
+// ---Get the description for the output
+// ---@param output_id output_id 0 maps to focused output
+// ---@return stirng
+pub fn get_name(L: *zlua.Lua) i32 {
+  const output_id: u64 = @intCast(L.checkInteger(1));
+
+  const output: ?*Output = if (output_id == 0) server.seat.focused_output else server.root.outputById(output_id);
+  if(output) |o| {
+    _ = L.pushString(std.mem.span(o.wlr_output.name));
+    return 1;
+  }
+
+  L.pushNil();
+  return 1;
+}