Initial commit

selectionbox.cpp

@@ -0,0 +1,88 @@
+#include <cstring> // strlen
+#include <sstream> // istringstream
+
+#include "inputoutput.h"
+#include "selectionbox.h"
+
+SelectionBox::SelectionBox(int height, int width) :
+	height(height),
+	width(width) {
+	this->update();
+}
+
+void SelectionBox::update() {
+	Window::update();
+	this->resize();
+}
+
+void SelectionBox::resize() {
+	int rows = (this->getMaxRows() - this->height) / 4;
+	int cols = this->getMaxCols() - this->width;
+	this->setWindow(rows, cols, this->getMaxRows() - rows, 0);
+	Window::resize();
+}
+
+unsigned char SelectionBox::select(std::string str, std::string *selection) {
+	int amount = 0;
+	while (!selection[amount].empty()) {
+		amount++;
+	}
+
+	std::string tmpStr;
+	int tmpInt;
+	// Display options and get user input
+	while(!IO::getQuit()) {
+		this->clear();
+		this->update();
+		this->printSelection(str, selection);
+		this->render();
+
+		tmpStr = IO::trim(this->getStr());
+		if (tmpStr == "") {
+			continue;
+		}
+
+		if (this->isNumber(tmpStr)) {
+			tmpInt = std::stoi(tmpStr);
+			if (tmpInt > 0 && tmpInt < amount + 1) {
+				break;
+			}
+		}
+	}
+
+	return (unsigned char)tmpInt - 1;
+}
+
+void SelectionBox::printSelection(std::string str, std::string *selection) {
+	int y = 0;
+
+	// Split and print message on newline
+	std::istringstream strStream(str);
+	std::string tmpStr;
+	while (std::getline(strStream, tmpStr, '\n')) {
+		this->print(tmpStr, y, 1);
+		y++;
+	}
+	y++;
+
+	int amount = 0;
+	while (!selection[amount].empty()) {
+		if (amount < 6) {
+			this->print("- " + selection[amount], y, 1);
+		}
+		else {
+			this->print("- " + selection[amount], y - 6, 10);
+		}
+
+		y++;
+		amount++;
+	}
+
+	this->print("Select option number: ", this->getRows() - 3, 1);
+}
+
+bool SelectionBox::isNumber(const std::string &s) {
+    std::string::const_iterator it = s.begin();
+    while (it != s.end() && std::isdigit(*it)) it++;
+    return !s.empty() && it == s.end();
+}