PowerToys/src/modules/shortcut_guide/shortcut_guide.h

#pragma once
#include <interface/powertoy_module_interface.h>
#include <interface/lowlevel_keyboard_event_data.h>
#include "overlay_window.h"

// We support only one instance of the overlay
extern class OverlayWindow* instance;

class TargetState;

class OverlayWindow : public PowertoyModuleIface {
public:
  OverlayWindow();
  virtual const wchar_t* get_name() override;
  virtual const wchar_t** get_events() override;
  virtual bool get_config(wchar_t* buffer, int *buffer_size) override;

  virtual void set_config(const wchar_t* config) override;
  virtual void enable() override;
  virtual void disable() override;
  virtual bool is_enabled() override;
  virtual intptr_t signal_event(const wchar_t* name, intptr_t data)  override;

  void on_held();
  void on_held_press(DWORD vkCode);
  void was_hidden();

  virtual void destroy() override;
private:
  TargetState* target_state;
  D2DOverlayWindow *winkey_popup;
  bool _enabled = false;

  void init_settings();

  struct PressTime {
    PCWSTR name = L"press_time";
    int value = 900; // ms
    int resourceId = IDS_SETTING_DESCRIPTION_PRESS_TIME;
  } pressTime;

  struct OverlayOpacity {
    PCWSTR name = L"overlay_opacity";
    int value = 90; // percent
    int resourceId = IDS_SETTING_DESCRIPTION_OVERLAY_OPACITY;
  } overlayOpacity;
};