From c7c9c62fd3813a6230a2af7fc8c9882baa426a7f Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 28 Oct 2020 00:01:30 +0800
Subject: ...

---
 src/ui/ShortcutHub.cpp | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'src/ui/ShortcutHub.cpp')

diff --git a/src/ui/ShortcutHub.cpp b/src/ui/ShortcutHub.cpp
index 2246b6eb..e5847f8c 100644
--- a/src/ui/ShortcutHub.cpp
+++ b/src/ui/ShortcutHub.cpp
@@ -1,5 +1,58 @@
 #include "cru/ui/ShortcutHub.hpp"
+#include <algorithm>
+#include <iterator>
+#include <optional>
 
 namespace cru::ui {
+int ShortcutHub::RegisterShortcut(std::u16string name, ShortcutKeyBind bind,
+                                  std::function<bool()> handler) {
+  const int id = current_id_++;
+  ShortcutInfo info{id, std::move(name), bind, std::move(handler)};
+  map_[bind].push_back(std::move(info));
+  return id;
+}
+
+void ShortcutHub::UnregisterShortcut(int id) {
+  if (id <= 0) return;
+  for (auto& pair : map_) {
+    auto& list = pair.second;
+    auto result =
+        std::find_if(list.cbegin(), list.cend(),
+                     [id](const ShortcutInfo& info) { return info.id == id; });
+    if (result != list.cend()) {
+      list.erase(result);
+    }
+  }
+}
+
+std::vector<ShortcutInfo> ShortcutHub::GetAllShortcuts() const {
+  std::vector<ShortcutInfo> result;
+
+  for (const auto& pair : map_) {
+    std::copy(pair.second.cbegin(), pair.second.cend(),
+              std::back_inserter(result));
+  }
+
+  return result;
+}
+
+std::optional<ShortcutInfo> ShortcutHub::GetShortcut(int id) const {
+  for (auto& pair : map_) {
+    auto& list = pair.second;
+    auto result =
+        std::find_if(list.cbegin(), list.cend(),
+                     [id](const ShortcutInfo& info) { return info.id == id; });
+    if (result != list.cend()) {
+      return *result;
+    }
+  }
+  return std::nullopt;
+}
 
+const std::vector<ShortcutInfo>& ShortcutHub::GetShortcutByKeyBind(
+    const ShortcutKeyBind& key_bind) const {
+  auto result = map_.find(key_bind);
+  if (result != map_.cend()) return result->second;
+  return empty_list_;
 }
+}  // namespace cru::ui
-- 
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