basic ui

driver/ui/view.cpp

@@ -0,0 +1,58 @@
+#include "view.h"
+
+WINDOW* View::win = nullptr;
+
+View::View()
+{
+	if(!win)
+		throw std::runtime_error("View::win not initialized, missing context!");
+	getmaxyx(win, height, width); // init width and height	
+	keypad(win, TRUE);
+}
+
+void View::setWinContext(WINDOW* win)
+{
+	View::win = win;
+}
+
+WINDOW* View::getWinContext()
+{
+	return win;
+}
+
+void View::addCall(std::function<void(int)> call)
+{
+	calls.push_back(call);
+}
+
+void View::setTitle(std::string title)
+{
+	this->title = title;
+}
+
+void View::repaint()
+{
+	// get screen size
+	struct winsize size;	
+	if (ioctl(0, TIOCGWINSZ, (char *) &size) < 0)
+		throw std::runtime_error("TIOCGWINSZ error");
+	
+	
+	start_x = floor((size.ws_col - width) / 2.);
+	start_y = floor((size.ws_row - height) / 2.);
+	
+	mvwin(win, start_y, start_x);
+
+	wclear(win);
+	
+	// generic draw
+	box(win, 0, 0);
+	int offset_x = (width - title.length()) / 2;
+	mvwprintw(win, 1, offset_x, "%s", title.c_str());
+	
+	// specific draw
+	draw();
+
+	refresh();
+	wrefresh(win);
+}