bool C4Menu::Enter(bool fRight)
{
// Not active
if (!IsActive()) return false;
if (Style==C4MN_Style_Info) return false;
// Get selected item
C4MenuItem *pItem = GetSelectedItem();
if (!pItem)
{
// okay for dialogs: Just close them
if (Style == C4MN_Style_Dialog) TryClose(false, true);
return true;
}
// Copy command to buffer (menu might be cleared)
char szCommand[_MAX_FNAME+30+1];
SCopy(pItem->Command,szCommand);
if (fRight && pItem->Command2[0]) SCopy(pItem->Command2,szCommand);
// Close if not permanent
if (!Permanent) { Close(true); fActive = false; }
// exec command (note that menu callback may delete this!)
MenuCommand(szCommand, false);
return true;
}
bool C4Menu::Control(BYTE byCom, int32_t iData)
{
if (!IsActive()) return false;
switch (byCom)
{
case COM_MenuEnter: Enter(); break;
case COM_MenuEnterAll: Enter(true); break;
case COM_MenuClose: TryClose(false, true); break;
// organize with nicer subfunction...
case COM_MenuLeft:
// Top wrap-around
if (Selection-1 < 0)
MoveSelection(ItemCount - 1 - Selection, true, true);
else
MoveSelection(-1, true, true);
break;
case COM_MenuRight:
// Bottom wrap-around
if (Selection+1 >= ItemCount)
MoveSelection(-Selection, true, true);
else
MoveSelection(+1, true, true);
break;
case COM_MenuUp:
iData = -Columns;
// Top wrap-around
if (Selection + iData < 0)
while (Selection + iData + Columns < ItemCount)
iData += Columns;
MoveSelection(iData, true, true);
break;
case COM_MenuDown:
iData = +Columns;
// Bottom wrap-around
if (Selection+iData >= ItemCount)
while (Selection+iData-Columns >= 0)
iData-=Columns;
MoveSelection(iData, true, true);
break;
case COM_MenuSelect:
if (ItemCount)
SetSelection(iData & (~C4MN_AdjustPosition), !!(iData & C4MN_AdjustPosition), true);
break;
case COM_MenuShowText:
SetTextProgress(-1, false);
break;
}
return true;
}
void C4MainMenu::OnUserClose()
{
// just close
TryClose(false, true);
}