Solitaire: Add statusbar segment to display elapsed time

The timer begins after the new-game animation ends, and stops when
either the game-over animation begins or the new-game animation is
started again.

Userland/Games/Solitaire/Game.cpp

@@ -76,6 +76,9 @@ void Game::start_game_over_animation()
     m_game_over_animation = true;
 
     start_timer(s_timer_interval_ms);
+
+    if (on_game_end)
+        on_game_end();
 }
 
 void Game::stop_game_over_animation()
@@ -93,6 +96,9 @@ void Game::setup()
 {
     stop_game_over_animation();
 
+    if (on_game_end)
+        on_game_end();
+
     for (auto& stack : m_stacks)
         stack.clear();
 
@@ -370,6 +376,9 @@ void Game::paint_event(GUI::PaintEvent& event)
                     stack(Stock).push(m_new_deck.take_last());
                 m_new_game_animation = false;
                 stop_timer();
+
+                if (on_game_start)
+                    on_game_start();
             }
         }
     }

Userland/Games/Solitaire/Game.h

@@ -22,6 +22,8 @@ public:
     void setup();
 
     Function<void(uint32_t)> on_score_update;
+    Function<void()> on_game_start;
+    Function<void()> on_game_end;
 
 private:
     Game();

Userland/Games/Solitaire/Solitaire.gml

@@ -12,5 +12,6 @@
 
     @GUI::Statusbar {
         name: "statusbar"
+        label_count: 2
     }
 }

Userland/Games/Solitaire/main.cpp

@@ -6,6 +6,7 @@
 
 #include "Game.h"
 #include <Games/Solitaire/SolitaireGML.h>
+#include <LibCore/Timer.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Icon.h>
@@ -46,6 +47,8 @@ int main(int argc, char** argv)
     game.set_focus(true);
 
     auto& statusbar = *widget.find_descendant_of_type_named<GUI::Statusbar>("statusbar");
+    statusbar.set_text(0, "Score: 0");
+    statusbar.set_text(1, "Time: 00:00:00");
 
     app->on_action_enter = [&](GUI::Action& action) {
         auto text = action.status_tip();
@@ -59,7 +62,28 @@ int main(int argc, char** argv)
     };
 
     game.on_score_update = [&](uint32_t score) {
-        statusbar.set_text(String::formatted("Score: {}", score));
+        statusbar.set_text(0, String::formatted("Score: {}", score));
+    };
+
+    uint64_t seconds_elapsed = 0;
+
+    auto timer = Core::Timer::create_repeating(1000, [&]() {
+        ++seconds_elapsed;
+
+        uint64_t hours = seconds_elapsed / 3600;
+        uint64_t minutes = (seconds_elapsed / 60) % 60;
+        uint64_t seconds = seconds_elapsed % 60;
+
+        statusbar.set_text(1, String::formatted("Time: {:02}:{:02}:{:02}", hours, minutes, seconds));
+    });
+
+    game.on_game_start = [&]() {
+        seconds_elapsed = 0;
+        timer->start();
+    };
+    game.on_game_end = [&]() {
+        if (timer->is_active())
+            timer->stop();
     };
 
     auto menubar = GUI::Menubar::construct();