57 lines
1.0 KiB
C++
57 lines
1.0 KiB
C++
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// tv.cpp -- methods for the Tv class (Remote methods are inline)
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#include <iostream>
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#include "tv.h"
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bool Tv::volup()
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{
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if (volume < MaxVal)
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{
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volume++;
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return true;
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}
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else
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return false;
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}
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bool Tv::voldown()
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{
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if (volume > MinVal)
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{
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volume--;
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return true;
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}
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else
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return false;
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}
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void Tv::chanup()
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{
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if (channel < maxchannel)
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channel++;
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else
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channel = 1;
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}
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void Tv::chandown()
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{
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if (channel > 1)
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channel--;
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else
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channel = maxchannel;
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}
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void Tv::settings() const
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{
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using std::cout;
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using std::endl;
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cout << "TV is " << (state == Off? "Off" : "On") << endl;
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if (state == On)
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{
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cout << "Volume setting = " << volume << endl;
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cout << "Channel setting = " << channel << endl;
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cout << "Mode = "
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<< (mode == Antenna? "antenna" : "cable") << endl;
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cout << "Input = "
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<< (input == TV? "TV" : "DVD") << endl;
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}
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}
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