Split UI code into ly-ui library

Signed-off-by: AnErrupTion <anerruption@disroot.org>

ly-core/src/Environment.zig

@@ -0,0 +1,24 @@
+const ini = @import("zigini");
+const Ini = ini.Ini;
+
+const enums = @import("enums.zig");
+const DisplayServer = enums.DisplayServer;
+
+pub const DesktopEntry = struct {
+    Exec: []const u8 = "",
+    Name: []const u8 = "",
+    DesktopNames: ?[]u8 = null,
+    Terminal: ?bool = null,
+};
+
+pub const Entry = struct { @"Desktop Entry": DesktopEntry = .{} };
+
+entry_ini: ?Ini(Entry) = null,
+file_name: []const u8 = "",
+name: []const u8 = "",
+xdg_session_desktop: ?[]const u8 = null,
+xdg_desktop_names: ?[]const u8 = null,
+cmd: ?[]const u8 = null,
+specifier: []const u8 = "",
+display_server: DisplayServer = .wayland,
+is_terminal: bool = false,

ly-core/src/SavedUsers.zig

@@ -0,0 +1,28 @@
+const std = @import("std");
+
+const SavedUsers = @This();
+
+const User = struct {
+    username: []const u8,
+    session_index: usize,
+    first_run: bool,
+    allocated_username: bool,
+};
+
+user_list: std.ArrayList(User),
+last_username_index: ?usize,
+
+pub fn init() SavedUsers {
+    return .{
+        .user_list = .empty,
+        .last_username_index = null,
+    };
+}
+
+pub fn deinit(self: *SavedUsers, allocator: std.mem.Allocator) void {
+    for (self.user_list.items) |user| {
+        if (user.allocated_username) allocator.free(user.username);
+    }
+
+    self.user_list.deinit(allocator);
+}

ly-core/src/enums.zig

@@ -0,0 +1,7 @@
+pub const DisplayServer = enum {
+    wayland,
+    shell,
+    xinitrc,
+    x11,
+    custom,
+};

ly-core/src/root.zig

@@ -1,10 +1,14 @@
 const std = @import("std");
-const ini = @import("zigini");
+
+pub const ini = @import("zigini");
 
 pub const interop = @import("interop.zig");
 pub const UidRange = @import("UidRange.zig");
 pub const LogFile = @import("LogFile.zig");
 pub const SharedError = @import("SharedError.zig");
+pub const SavedUsers = @import("SavedUsers.zig");
+pub const Environment = @import("Environment.zig");
+pub const DisplayServer = @import("enums.zig").DisplayServer;
 
 pub fn IniParser(comptime Struct: type) type {
     return struct {