Class CMenuTrayIcon

cppcryptfs/ui/TrayIcon.h:165–232

//A Tray Icon Application class that handles Context Menus.

class CMenuTrayIcon : public CTrayIcon {
public:
  CMenuTrayIcon() : DoubleClicked(false) {}
  CMenuTrayIcon(LPCTSTR szTip, HICON hIcon, UINT Menu=0, UINT Default=0, BOOL ByPos=FALSE) : DoubleClicked(false) {Create(szTip, hIcon, Menu, Default, ByPos);}
  void Create(LPCTSTR szTip, HICON hIcon, UINT Menu=0, UINT Default=0, BOOL ByPos=FALSE) {
    CTrayIcon::Create(szTip, hIcon, Menu);
    SetMenuDefaultItem(Default, ByPos);
  }
  virtual ~CMenuTrayIcon() {}

// Attributes
protected:
  UINT  DefaultMenuItemID;
  BOOL  DefaultMenuItemByPos;
  bool  DoubleClicked;

// Operations
public:
  bool SetMenuDefaultItem(UINT MenuItemID, BOOL ByPos) {
    if((DefaultMenuItemID==MenuItemID) && (DefaultMenuItemByPos==ByPos)) return TRUE;
    DefaultMenuItemID   =MenuItemID;
    DefaultMenuItemByPos=ByPos;   
    CMenu Menu, *pSubMenu;
    if(!Menu.LoadMenu(NID.uID)
    || !(pSubMenu=Menu.GetSubMenu(0))) return false;
    ::SetMenuDefaultItem(pSubMenu->m_hMenu, DefaultMenuItemID, DefaultMenuItemByPos);
    return true;
  }

// Overrides
  virtual LRESULT WindowProc(UINT Message, WPARAM wParam, LPARAM lParam) {
    if(Message==NID.uCallbackMessage
     && wParam==NID.uID) {
      CMenu Menu, *pSubMenu;
      CWnd* pMainWnd=AfxGetMainWnd();
      switch(LOWORD(lParam)) {
        case WM_RBUTTONUP: { // Clicking with right button brings up a context Menu
          if(!Menu.LoadMenu(NID.uID)
          || !(pSubMenu=Menu.GetSubMenu(0))) return false;
      // Make chosen Menu item the default (bold font)
          ::SetMenuDefaultItem(pSubMenu->m_hMenu, DefaultMenuItemID, DefaultMenuItemByPos);
      // Display and track the popup Menu
          CPoint Mouse;
          GetCursorPos(&Mouse);
          pMainWnd->SetForegroundWindow();      // See MSDN Knowledge Base article "PRB: Menus for Notification Icons Don't Work Correctly"
          pSubMenu->TrackPopupMenu(TPM_LEFTALIGN, Mouse.x, Mouse.y, pMainWnd, 0);
          pMainWnd->PostMessage(WM_NULL, 0, 0); // See MSDN Knowledge Base article "PRB: Menus for Notification Icons Don't Work Correctly"
          Menu.DestroyMenu();
          return true;
        }
        case WM_LBUTTONDBLCLK: return DoubleClicked=true; // double click received, do the default Menu item
        case WM_LBUTTONUP: {
          if(DoubleClicked) { // Make sure that if the default deletes the icon, that the next icon doesn't get our WM_LBUTTONUP notification (some icons use it).
            DoubleClicked=false;
            pMainWnd->SetForegroundWindow();  
            UINT uItem;
            if(DefaultMenuItemByPos) {
              if(!Menu.LoadMenu(NID.uID)