/*
* Copyright (c) 2003-2017 Rony Shapiro <ronys@pwsafe.org>.
* All rights reserved. Use of the code is allowed under the
* Artistic License 2.0 terms, as specified in the LICENSE file
* distributed with this code, or available from
* http://www.opensource.org/licenses/artistic-license-2.0.php
*/
// SHCTHotKey.cpp : implementation file
//

#include "stdafx.h"
#include "SHCTHotKey.h"
#include "SHCTListCtrl.h"

#include "HKModifiers.h"

#include "resource.h"

// SHCTHotKey

IMPLEMENT_DYNAMIC(CSHCTHotKey, CHotKeyCtrl)

CSHCTHotKey::CSHCTHotKey()
: m_pParent(NULL), m_bHandled(false)
{
}

CSHCTHotKey::~CSHCTHotKey()
{
}

BEGIN_MESSAGE_MAP(CSHCTHotKey, CHotKeyCtrl)
  ON_WM_KILLFOCUS()
END_MESSAGE_MAP()

// SHCTHotKey message handlers

void CSHCTHotKey::OnKillFocus(CWnd *)
{
  if (m_pParent != NULL) {
    WORD wVirtualKeyCode, wHKModifiers, wPWSModifiers;
    GetHotKey(wVirtualKeyCode, wHKModifiers);
    wPWSModifiers = ConvertModifersMFC2PWS(wHKModifiers);
    m_pParent->OnMenuShortcutKillFocus(wVirtualKeyCode, wPWSModifiers);
  }
}

BOOL CSHCTHotKey::PreTranslateMessage(MSG *pMsg)
{
  // This is all to allow user to add special characters like ENTER, DELETE into
  // their assigned Hotkey
  if (pMsg->message == WM_KEYDOWN || pMsg->message == WM_KEYUP) {
    const UINT_PTR nChar = pMsg->wParam;
    if ((nChar == VK_RETURN && 
            (GetKeyState(VK_CONTROL) < 0 || GetKeyState(VK_MENU) < 0)) ||
        (nChar == VK_TAB &&
            (GetKeyState(VK_CONTROL) < 0 || GetKeyState(VK_MENU) < 0)) ||
        (nChar == VK_NUMLOCK &&
            (GetKeyState(VK_CONTROL) < 0 || GetKeyState(VK_MENU) < 0)) ||
        (nChar == VK_SCROLL &&
            (GetKeyState(VK_CONTROL) < 0 || GetKeyState(VK_MENU) < 0)) ||
        (nChar == VK_CANCEL &&
            (GetKeyState(VK_CONTROL) < 0 || GetKeyState(VK_MENU) < 0)) ||
        (nChar == VK_DELETE) ||
        (nChar == VK_SPACE)  ||
        (nChar == VK_BACK)) {
      if (pMsg->message == WM_KEYUP)
        return TRUE;

      WORD wVirtualKeyCode, wHKModifiers;
      GetHotKey(wVirtualKeyCode, wHKModifiers);

      // Enter sets the Hotkey unless user did Ctrl+Enter, or
      // Alt+Enter or Ctrl+Alt+Enter, in which is taken as a HotKey
      if (nChar == VK_RETURN && 
          ((wHKModifiers & HOTKEYF_CONTROL) != HOTKEYF_CONTROL &&
           (wHKModifiers & HOTKEYF_ALT    ) != HOTKEYF_ALT    )) {
        CHotKeyCtrl::PreTranslateMessage(pMsg);
      }

      // No current key means don't want to use the current modifiers.
      if (wVirtualKeyCode != 0)
        wHKModifiers = 0;

      // Set extended to make sure we get DEL and not NUM DECIMAL
      if (nChar == VK_DELETE)
        wHKModifiers |= HOTKEYF_EXT;

      wVirtualKeyCode = (WORD)nChar;
      SetHotKey(wVirtualKeyCode, wHKModifiers);

      // Just in case parent requires notification of a change
      m_pParent->SendMessage(WM_COMMAND, MAKEWPARAM(IDC_SHORTCUTHOTKEY, EN_CHANGE), 0);
      return TRUE;
    }
  }
  return CHotKeyCtrl::PreTranslateMessage(pMsg);
}
