Calendar: Save time of the event and display it in Calendar

This PR introduces the ability to save calendar event times
and adds functionality for displaying saved times in the calendar.
Additionally, it addresses the issue where changes to the time
value in the dropdown were not being saved.

Userland/Applications/Calendar/AddEventDialog.cpp

@@ -31,6 +31,8 @@ AddEventDialog::AddEventDialog(Core::DateTime date_time, EventManager& event_man
     set_resizable(false);
     set_icon(parent_window->icon());
 
+    m_date_time = Core::DateTime::create(m_date_time.year(), m_date_time.month(), m_date_time.day(), 12, 0);
+
     auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
     widget->set_fill_with_background_color(true);
     widget->set_layout<GUI::VerticalBoxLayout>();
@@ -75,12 +77,12 @@ AddEventDialog::AddEventDialog(Core::DateTime date_time, EventManager& event_man
     auto& starting_hour_combo = time_container.add<GUI::SpinBox>();
     starting_hour_combo.set_fixed_size(50, 20);
     starting_hour_combo.set_range(1, 12);
-    starting_hour_combo.set_value(12);
+    starting_hour_combo.set_value(m_date_time.hour());
 
     auto& starting_minute_combo = time_container.add<GUI::SpinBox>();
     starting_minute_combo.set_fixed_size(40, 20);
     starting_minute_combo.set_range(0, 59);
-    starting_minute_combo.set_value(0);
+    starting_minute_combo.set_value(m_date_time.minute());
 
     auto& starting_meridiem_combo = time_container.add<GUI::ComboBox>();
     starting_meridiem_combo.set_only_allow_values_from_model(true);
@@ -112,6 +114,22 @@ AddEventDialog::AddEventDialog(Core::DateTime date_time, EventManager& event_man
     starting_year_combo.on_change = [update_starting_day_range](auto) { update_starting_day_range(); };
     starting_month_combo.on_change = [update_starting_day_range](auto, auto) { update_starting_day_range(); };
 
+    auto update_combo_values = [&]() {
+        auto year = starting_year_combo.value();
+        auto month = starting_month_combo.selected_index() + 1;
+        auto day = starting_day_combo.value();
+        auto hour = starting_hour_combo.value();
+        auto minute = starting_minute_combo.value();
+
+        m_date_time = Core::DateTime::create(year, month, day, hour, minute);
+    };
+
+    starting_year_combo.on_change = [update_combo_values](auto) { update_combo_values(); };
+    starting_month_combo.on_change = [update_combo_values](auto, auto) { update_combo_values(); };
+    starting_day_combo.on_change = [update_combo_values](auto) { update_combo_values(); };
+    starting_hour_combo.on_change = [update_combo_values](auto) { update_combo_values(); };
+    starting_minute_combo.on_change = [update_combo_values](auto) { update_combo_values(); };
+
     event_title_textbox.set_focus(true);
 }
 
@@ -119,8 +137,10 @@ ErrorOr<void> AddEventDialog::add_event_to_calendar()
 {
     JsonObject event;
     auto start_date = TRY(String::formatted("{}-{:0>2d}-{:0>2d}", m_date_time.year(), m_date_time.month(), m_date_time.day()));
+    auto start_time = TRY(String::formatted("{}:{:0>2d}", m_date_time.hour(), m_date_time.minute()));
     auto summary = find_descendant_of_type_named<GUI::TextBox>("event_title_textbox")->get_text();
     event.set("start_date", JsonValue(start_date));
+    event.set("start_time", JsonValue(start_time));
     event.set("summary", JsonValue(summary));
     TRY(m_event_manager.add_event(event));
     m_event_manager.set_dirty(true);

Userland/Applications/Calendar/EventCalendar.cpp

@@ -33,17 +33,18 @@ void EventCalendar::paint_tile(GUI::Painter& painter, GUI::Calendar::Tile& tile,
         events.for_each([&](JsonValue const& value) {
             auto const& event = value.as_object();
 
-            if (!event.has("start_date"sv) || !event.has("summary"sv))
+            if (!event.has("start_date"sv) || !event.has("start_date"sv) || !event.has("summary"sv))
                 return;
 
             auto start_date = event.get("start_date"sv).value().to_deprecated_string();
+            auto start_time = event.get("start_time"sv).value().to_deprecated_string();
             auto summary = event.get("summary"sv).value().to_deprecated_string();
+            auto combined_text = DeprecatedString::formatted("{} {}", start_time, summary);
 
             if (start_date == DeprecatedString::formatted("{}-{:0>2d}-{:0>2d}", tile.year, tile.month, tile.day)) {
 
-                auto text_rect = tile.rect.translated(4, 4 + (font_height + 8) * ++index);
-
-                painter.draw_text(text_rect, summary, Gfx::FontDatabase::default_font(), Gfx::TextAlignment::TopLeft, palette().base_text());
+                auto text_rect = tile.rect.translated(4, 4 + (font_height + 4) * ++index);
+                painter.draw_text(text_rect, combined_text, Gfx::FontDatabase::default_font(), Gfx::TextAlignment::TopLeft, palette().base_text(), Gfx::TextElision::Right);
             }
         });
     }