bool CGUISpinControl::CanMoveUp(bool bTestReverse)
{
// test for reverse...
if (bTestReverse && m_bReverse) return CanMoveDown(false);
switch (m_iType)
{
case SPIN_CONTROL_TYPE_PAGE:
return m_currentItem > 0;
case SPIN_CONTROL_TYPE_INT:
{
if (m_iValue - 1 >= m_iStart)
return true;
return false;
}
break;
case SPIN_CONTROL_TYPE_FLOAT:
{
if (m_fValue - m_fInterval >= m_fStart)
return true;
return false;
}
break;
case SPIN_CONTROL_TYPE_TEXT:
{
if (m_iValue - 1 >= 0)
return true;
return false;
}
break;
}
return false;
}
int Pop() {
State *currentState;
currentState = myQueue->queueHead;
if (IsEmpty()) {
printf("%s", "The queue is empty, Pop operation cannot be done!");
return 0;
}
// Is it the final state?
if (IsFinalState(currentState)) {
ShowResults();
return 1;
}
else {
// Find the position where the number zero of the current matrix is
FindZeroPosition(currentState->matrix);
// Is it possible to change the numbers within the matrix?
if (CanMoveUp()) {
CreateNewState(currentState, UP);
}
if (CanMoveDown()) {
CreateNewState(currentState, DOWN);
}
if (CanMoveLeft()) {
CreateNewState(currentState, LEFT);
}
if (CanMoveRight()) {
CreateNewState(currentState, RIGHT);
}
}
// Take out from the queue
// Move the queue first state to the next element
// Decrement one state of the queue, but we need to store it once we need to show the actions taken, at the end
myQueue->queueHead = myQueue->queueHead->next;
myQueue->numberOfElements--;
// free(currentState);
return 2;
}
bool CGUISpinControl::OnMessage(CGUIMessage& message)
{
if (CGUIControl::OnMessage(message) )
return true;
if (message.GetControlId() == GetID() )
{
switch (message.GetMessage())
{
case GUI_MSG_ITEM_SELECT:
if (SPIN_CONTROL_TYPE_PAGE == m_iType)
{
m_currentItem = message.GetParam1();
return true;
}
SetValue( message.GetParam1());
if (message.GetParam2() == SPIN_BUTTON_DOWN || message.GetParam2() == SPIN_BUTTON_UP)
m_iSelect = message.GetParam2();
return true;
break;
case GUI_MSG_LABEL_RESET:
if (SPIN_CONTROL_TYPE_PAGE == m_iType)
{
m_itemsPerPage = message.GetParam1();
m_numItems = message.GetParam2();
return true;
}
{
Clear();
return true;
}
break;
case GUI_MSG_SHOWRANGE:
if (message.GetParam1() )
m_bShowRange = true;
else
m_bShowRange = false;
break;
case GUI_MSG_SET_LABELS:
if (message.GetPointer())
{
const std::vector< std::pair<std::string, int> > *labels = (const std::vector< std::pair<std::string, int> > *)message.GetPointer();
Clear();
for (std::vector< std::pair<std::string, int> >::const_iterator i = labels->begin(); i != labels->end(); ++i)
AddLabel(i->first, i->second);
SetValue( message.GetParam1());
}
break;
case GUI_MSG_LABEL_ADD:
{
AddLabel(message.GetLabel(), message.GetParam1());
return true;
}
break;
case GUI_MSG_ITEM_SELECTED:
{
message.SetParam1( GetValue() );
message.SetParam2(m_iSelect);
if (m_iType == SPIN_CONTROL_TYPE_TEXT)
{
if ( m_iValue >= 0 && m_iValue < (int)m_vecLabels.size() )
message.SetLabel( m_vecLabels[m_iValue]);
}
return true;
}
case GUI_MSG_PAGE_UP:
if (CanMoveUp())
MoveUp();
return true;
case GUI_MSG_PAGE_DOWN:
if (CanMoveDown())
MoveDown();
return true;
case GUI_MSG_MOVE_OFFSET:
{
int count = (int)message.GetParam1();
while (count < 0)
{
MoveUp();
count++;
}
while (count > 0)
{
MoveDown();
count--;
}
return true;
}
}
}
return false;
}