bool Shortcut::IsKeyboardStateClearExceptShortcut()

in src/modules/keyboardmanager/common/Shortcut.cpp [647:794]
139 lines of code
35 McCabe index (conditional complexity)

bool Shortcut::IsKeyboardStateClearExceptShortcut(KeyboardManagerInput::InputInterface& ii) const
{
    // Iterate through all the virtual key codes - 0xFF is set to key down because of the Num Lock
    for (int keyVal = 1; keyVal < 0xFF; keyVal++)
    {
        // Ignore problematic key codes
        if (IgnoreKeyCode(keyVal))
        {
            continue;
        }
        // Check state of the key. If the key is pressed down but it is not part of the shortcut then the keyboard state is not clear
        if (ii.GetVirtualKeyState(keyVal))
        {
            // If one of the win keys is pressed check if it is part of the shortcut
            if (keyVal == VK_LWIN)
            {
                if (winKey != ModifierKey::Left && winKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_RWIN)
            {
                if (winKey != ModifierKey::Right && winKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            // If one of the ctrl keys is pressed check if it is part of the shortcut
            else if (keyVal == VK_LCONTROL)
            {
                if (ctrlKey != ModifierKey::Left && ctrlKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_RCONTROL)
            {
                if (ctrlKey != ModifierKey::Right && ctrlKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_CONTROL)
            {
                if (ctrlKey == ModifierKey::Disabled)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            // If one of the alt keys is pressed check if it is part of the shortcut
            else if (keyVal == VK_LMENU)
            {
                if (altKey != ModifierKey::Left && altKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_RMENU)
            {
                if (altKey != ModifierKey::Right && altKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_MENU)
            {
                if (altKey == ModifierKey::Disabled)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            // If one of the shift keys is pressed check if it is part of the shortcut
            else if (keyVal == VK_LSHIFT)
            {
                if (shiftKey != ModifierKey::Left && shiftKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_RSHIFT)
            {
                if (shiftKey != ModifierKey::Right && shiftKey != ModifierKey::Both)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            else if (keyVal == VK_SHIFT)
            {
                if (shiftKey == ModifierKey::Disabled)
                {
                    return false;
                }
                else
                {
                    continue;
                }
            }
            // If any other key is pressed check if it is the action key
            else if (keyVal != actionKey)
            {
                return false;
            }
        }
    }

    return true;
}