shortcut_manager.h

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#ifndef YAZE_APP_EDITOR_SYSTEM_SHORTCUT_MANAGER_H
#define YAZE_APP_EDITOR_SYSTEM_SHORTCUT_MANAGER_H
 
#include <functional>
#include <string>
#include <unordered_map>
#include <vector>
 
#include "absl/strings/string_view.h"
 
// Must define before including imgui.h
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
 
#include "imgui/imgui.h"
 
namespace yaze {
namespace editor {
 
struct Shortcut {
  enum class Scope { kGlobal, kEditor, kPanel };
  std::string name;
  Scope scope = Scope::kGlobal;
  std::vector<ImGuiKey> keys;
  std::function<void()> callback;
};
 
std::vector<ImGuiKey> ParseShortcut(const std::string& shortcut);
 
std::string PrintShortcut(const std::vector<ImGuiKey>& keys);
 
std::string InferShortcutGroup(absl::string_view name);
 
class ShortcutManager {
 public:
  void RegisterShortcut(const std::string& name,
                        const std::vector<ImGuiKey>& keys,
                        Shortcut::Scope scope = Shortcut::Scope::kGlobal) {
    shortcuts_[name] = {name, scope, keys};
  }
  void RegisterShortcut(const std::string& name,
                        const std::vector<ImGuiKey>& keys,
                        std::function<void()> callback,
                        Shortcut::Scope scope = Shortcut::Scope::kGlobal) {
    shortcuts_[name] = {name, scope, keys, callback};
  }
 
  void RegisterShortcut(const std::string& name, ImGuiKey key,
                        std::function<void()> callback,
                        Shortcut::Scope scope = Shortcut::Scope::kGlobal) {
    shortcuts_[name] = {name, scope, {key}, callback};
  }
 
  void RegisterCommand(const std::string& name, std::function<void()> callback,
                       Shortcut::Scope scope = Shortcut::Scope::kGlobal) {
    shortcuts_[name] = {name, scope, {}, callback};  // Empty key vector
  }
 
  void ExecuteShortcut(const std::string& name) const {
    shortcuts_.at(name).callback();
  }
 
  // Access the shortcut and print the readable name of the shortcut for menus
  const Shortcut& GetShortcut(const std::string& name) const {
    return shortcuts_.at(name);
  }
 
  const Shortcut* FindShortcut(const std::string& name) const {
    auto it = shortcuts_.find(name);
    return it != shortcuts_.end() ? &it->second : nullptr;
  }
 
  // Get shortcut callback function
  std::function<void()> GetCallback(const std::string& name) const {
    return shortcuts_.at(name).callback;
  }
 
  const std::string GetKeys(const std::string& name) const {
    return PrintShortcut(shortcuts_.at(name).keys);
  }
 
  const std::unordered_map<std::string, Shortcut>& GetShortcuts() const {
    return shortcuts_;
  }
  bool UpdateShortcutKeys(const std::string& name,
                          const std::vector<ImGuiKey>& keys);
  std::vector<Shortcut> GetShortcutsByScope(Shortcut::Scope scope) const {
    std::vector<Shortcut> result;
    result.reserve(shortcuts_.size());
    for (const auto& [_, sc] : shortcuts_) {
      if (sc.scope == scope)
        result.push_back(sc);
    }
    return result;
  }
 
  // Convenience methods for registering common shortcuts
  void RegisterStandardShortcuts(std::function<void()> save_callback,
                                 std::function<void()> open_callback,
                                 std::function<void()> close_callback,
                                 std::function<void()> find_callback,
                                 std::function<void()> settings_callback);
 
  void RegisterWindowNavigationShortcuts(std::function<void()> focus_left,
                                         std::function<void()> focus_right,
                                         std::function<void()> focus_up,
                                         std::function<void()> focus_down,
                                         std::function<void()> close_window,
                                         std::function<void()> split_horizontal,
                                         std::function<void()> split_vertical);
 
 private:
  std::unordered_map<std::string, Shortcut> shortcuts_;
};
 
void ExecuteShortcuts(const ShortcutManager& shortcut_manager);
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_SYSTEM_SHORTCUT_MANAGER_H