Show tasks with deadline first, in order

src/Backend.cpp

@@ -122,6 +122,7 @@ void Backend::updateTodoFromRawFormat(int todoIndex, QString text, QString date)
 	*(taskItem.taskItem) =
 		mirai::TodoMdFormat::StringToTask(text.toStdString(), date.toStdString());
 	mirai.save();
+	view.lock()->update();
 	rebuildQMLTasksList();
 	emit tasksChanged();
 }
@@ -137,6 +138,7 @@ void Backend::updateTodo(int todoIndex, QString state, QString text, QString dat
 	taskItem.taskItem->setText(text.toStdString());
 	taskItem.taskItem->setDate(date.toStdString());
 	mirai.save();
+	view.lock()->update();
 	rebuildQMLTasksList();
 	emit tasksChanged();
 }

src/core/TaskItem.cpp

@@ -75,6 +75,11 @@ bool TaskItem::hasDate() const
 	return isDate(data.date);
 }
 
+bool TaskItem::hasTime() const
+{
+	return getStartTime() != "" && getEndTime() != "";
+}
+
 bool TaskItem::hasTag(const std::string &tag) const
 {
 	return vectorUtils::contains(data.tags, tag);

src/core/TaskItem.h

@@ -57,6 +57,7 @@ class TaskItem
 	const Tags &getTags() const;
 	bool hasTag(const std::string &tag) const;
 	bool hasDate() const;
+	bool hasTime() const;
 
   private:
 	void onChange();

src/core/TasksView.cpp

@@ -52,7 +52,17 @@ void TasksView::update()
 		} else if (!t1->hasDate() && t2->hasDate()) {
 			return false;
 		}
-		return t1->getDate() < t2->getDate();
+		if (t1->getDate() < t2->getDate()) {
+			return true;
+		} else if (t1->getDate() > t2->getDate()) {
+			return false;
+		}
+		if (t1->hasTime() && !t2->hasTime()) {
+			return true;
+		} else if (!t1->hasTime() && t2->hasTime()) {
+			return false;
+		}
+		return t1->getStartTime() < t2->getStartTime();
 	});
 }