Notepad_Application/Source.cpp at master · rohaan2802/Notepad_Application · GitHub

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#include <iostream>
#include <Windows.h>
#include"Header.h"
#include<fstream>
using namespace std;


linked_list list;


int main(int argc, char* argv[])
{
	maximizeConsole();
	show_menu();
	display_fun();
	HANDLE  rhnd = GetStdHandle(STD_INPUT_HANDLE);
	DWORD Events = 0;
	DWORD EventsRead = 0;
	bool Running = true;
	bool isFull = false;
	bool screen_clear = false;

	int x = left_, y = top_;
	gotoxy(x, y);
	while (Running)
	{
		GetNumberOfConsoleInputEvents(rhnd, &Events);

		if (Events != 0)
		{
			INPUT_RECORD eventBuffer[200];
			ReadConsoleInput(rhnd, eventBuffer, Events, &EventsRead);
			for (DWORD i = 0; i < EventsRead; ++i)
			{
				if (eventBuffer[i].EventType == KEY_EVENT && eventBuffer[i].Event.KeyEvent.bKeyDown)
				{
					if (!screen_clear)
					{
						clear_fun();
						screen_clear = true;
					}
					switch (eventBuffer[i].Event.KeyEvent.wVirtualKeyCode)
					{

					case VK_UP:
						if (y > top_)
						{
							y--;
						}
						gotoxy(x, y);
						break;
					case VK_DOWN:
						if (y < bottom_)
						{
							y++;
						}
						gotoxy(x, y);
						break;
					case VK_RIGHT:
						if (x < right_ - 1)
						{
							insert_character(' ');

							x++;
						}
						gotoxy(x, y);
						break;
					case VK_LEFT:
						if (x > left_)
						{
							x--;
						}
					gotoxy(x, y);
						break;

					case VK_RETURN:
						if (y < bottom_)
						{	y++;
							x = left_;
							insert_character('\n');

							gotoxy(x, y);
						}
						break;

					case VK_F1:
						system("cls");
						show_menu();
						break;


					case VK_BACK:
						if (x > left_)
						{
							x--;
							list.delete_at_end(y, x);
							gotoxy(left_, y);
							list.fun1(y);
						}
						break;


					default:
					break;
					}

					if (y == bottom_ && x == right_ - 1)
					{
						isFull = true;
						warning_msg();
					}

					if (!isFull)
					{

						char ch = eventBuffer[i].Event.KeyEvent.uChar.AsciiChar;


						if ((ch >='A' && ch<='Z') || (ch>='a' && ch<='z'))
						{


							list.insert_at_end(ch, y, x);
							cout << ch;
							insert_character(ch);
							x++;
							if (x >= right_)
							{
								if (y < bottom_)
								{
									x = left_;
									y++;
								}
								else
								{
									isFull = true;
									warning_msg();
									gotoxy(x, y);
									continue;
								}
							}
						}

					}


					gotoxy(x, y);

				}

			}

		}

	}

	return 0;
}