Files
cppcourse/cmat/SolutionEx22Bonus/Light.cpp
T
porterskyandQwen 3.8 27B e09540c2b2 feat(cmat): add cmake build for course material
Add a CMakeLists.txt to each exercise directory, included from
cmat/CMakeLists.txt, so every exercise and solution becomes a buildable
target. GUI exercises link the curses-based DOS_Unix implementations on
Unix-like systems; the Windows-specific DOS variants are not compiled.
Exercises without a portable path or with missing dependencies (Boost)
are reported as not available at configure time.

Targets are excluded from the default build and built by name, e.g.
`cmake --build build --target Ex11`, so intentionally buggy exercises
such as Ex21 do not break the default build.

Also fix two portability issues: rename Ex11bug/pole.h to Pole.h for
case-sensitive filesystems and drop the extra Light:: qualification in
SolutionEx71A/Light.h. Document build commands and layout in AGENTS.md.

Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>
2026-10-05 11:55:00 +02:00

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C++

#include "Light.h"
#include "LightTimer.h"
#include "Pelican.h"
#include "Screen.h"
#include <iostream>
Light::Light(std::string name, int x, int y, int color) : x(x), y(y), c(color), name(name), flashOn(false) {
myTimer = new LightTimer(*this, &Light::flashLight);
}
Light::~Light() {
std::cout << "Deleting light (" << name << ", " << x << ", " << y << ", " << c << ")"
<< "\n";
}
void Light::set(LightState newState) {
state = newState;
if (state == FLASH) {
flashOn = true;
flashLight();
} else
Screen::write(name.c_str(), x, y, state == OFF ? 0 : c); // No need to worry about flashing here
}
Light::LightState Light::get(void) { return state; }
void Light::flashLight() {
if (state == FLASH) // If we haven't left the FLASH state
{
Screen::write(name.c_str(), x, y, flashOn ? c : 0); // Display
flashOn = !flashOn; // Toggle
myTimer->timeoutRequest(FLASH_PERIOD); // Have another go
}
}