main.cpp

#include <stdio.h>
#include <stdlib.h>
#include <tchar.h>
#include <windows.h>
#include <windowsx.h>
#include <string.h>

#include "newmyfiles.h"

#define VK_C 0x43
#define VK_Q 0x51

/* use _CRT_SECURE_NO_WARNINGS !!! */

const TCHAR szWinClass[] = _T("Win32SampleApp");
const TCHAR szWinName[] = _T("Win32SampleWindow");
HWND hwnd;                      /* This is the handle for our window */
HBRUSH hBrush;                  /* Current brush */
HPEN hPen;                      /* Current pen */
int hRGB;                       /* Current RGB */
int n = 3;                      /* Grid size */
const char * fname = "my.ini";  /* .ini file name */
bool** pole;
myfiles * mf;

bool splitnext(char* &line, char * &name, char * &value) {
    char * end;
    while ((end = strchr(line, '\n')) != NULL || strlen(line) > 0 && (end = line + strlen(line))) { // search '\n' or end of file
        char * fext = new char[end - line + 1];
        strncpy(fext, line, end - line);
        fext[end - line] = '\0';

        char * r;
        if ((r = strchr(fext, '=')) != NULL) { // search ' = ' and split by name and value
            int len = (r - fext);
            name = new char[len + 1];
            value = new char[strlen(fext) - len];

            strncpy(name, fext, len);
            strncpy(value, r + 1, strlen(fext) - len - 1);

            name[len] = '\0';
            value[strlen(fext) - len - 1] = '\0';

            line = end + 1;
            free(fext);
            return true;
        }

        line = end + 1;
        free(fext);
    }

    return false;
}

void RunNotepad(void)
{
    STARTUPINFO sInfo;
    PROCESS_INFORMATION pInfo;
    ZeroMemory(&sInfo, sizeof(STARTUPINFO));
    CreateProcess(_T("C:\\Windows\\Notepad.exe"), NULL, NULL, NULL, FALSE, 0, NULL, NULL, &sInfo, &pInfo);
}

void changeBackground(HWND hwnd)
{
    DeleteObject(hBrush);
    hRGB = RGB(rand() % 255, rand() % 255, rand() % 255);
    hBrush = (HBRUSH)CreateSolidBrush(hRGB);
    SetClassLongPtr(hwnd, GCLP_HBRBACKGROUND, (LONG_PTR)hBrush);
    InvalidateRect(hwnd, NULL, TRUE); //redraw window
}

void Save(HWND hwnd) {
    WINDOWPLACEMENT nowPosition;
    nowPosition.length = sizeof(WINDOWPLACEMENT); /* */
    GetWindowPlacement(hwnd, &nowPosition);

    char *buffer = new char[100];
    size_t len = snprintf(buffer, 100, "width=%d\nheight=%d\nposx=%d\nposy=%d\nRGB=%d", nowPosition.rcNormalPosition.right-nowPosition.rcNormalPosition.left, nowPosition.rcNormalPosition.bottom-nowPosition.rcNormalPosition.top, nowPosition.rcNormalPosition.left, nowPosition.rcNormalPosition.top, hRGB);

    mf->write(buffer, len);
    free(buffer);
}

LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    PAINTSTRUCT paintstruct;
    RECT c;
    int x, y;

    switch (message)
    {
    case WM_DESTROY:
        Save(hwnd);
        delete mf;
        PostQuitMessage(0);
        return 0;

    case WM_SIZE:
        InvalidateRect(hwnd, NULL, TRUE);
        break;

    case WM_LBUTTONUP:
        GetClientRect(hwnd, &c);
        x = GET_X_LPARAM(lParam) / (c.right / n);
        y = GET_Y_LPARAM(lParam) / (c.bottom / n);
        if (!pole[x][y]) {
            pole[x][y] = true;
            hdc = GetDC(hwnd);
            SelectObject(hdc, hPen);
            SelectObject(hdc, (HGDIOBJ)GetStockObject(NULL_BRUSH));
            Ellipse(hdc, x*c.right / n + 5, y*c.bottom / n + 5, (x + 1)*c.right / n - 5, (y + 1)*c.bottom / n - 5);
            SelectObject(hdc, hPen);
            ReleaseDC(hwnd, hdc);
        }
        break;

    case WM_PAINT:
        hdc = BeginPaint(hwnd, &paintstruct);
        SelectObject(hdc, hPen);
        for (int i = 1; i < n; i++)
        {
            MoveToEx(hdc, 0, paintstruct.rcPaint.bottom / n * i, NULL);
            LineTo(hdc, paintstruct.rcPaint.right, paintstruct.rcPaint.bottom / n * i);

            MoveToEx(hdc, paintstruct.rcPaint.right / n * i, 0, NULL);
            LineTo(hdc, paintstruct.rcPaint.right / n * i, paintstruct.rcPaint.bottom);
        }
        SelectObject(hdc, (HGDIOBJ)GetStockObject(NULL_BRUSH));
        SelectObject(hdc, hPen);
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                if (pole[i][j])
                    Ellipse(hdc, i*paintstruct.rcPaint.right / n + 5, j*paintstruct.rcPaint.bottom / n + 5, (i + 1)*paintstruct.rcPaint.right / n - 5, (j + 1)*paintstruct.rcPaint.bottom / n - 5);
        ReleaseDC(hwnd, hdc);
        EndPaint(hwnd, &paintstruct);
        break;

    case WM_HOTKEY:
        switch (wParam) {
        case 1: //Shift+C
            RunNotepad();
            break;
        case 2: //Ctrl+Q
            DestroyWindow(hwnd);
        }
        break;

    case WM_KEYDOWN:
        switch (wParam) {
        case VK_RETURN: //Enter
            changeBackground(hwnd);
            break;
        case VK_ESCAPE: //Esc
            DestroyWindow(hwnd);
        }
        break;
    }

    return DefWindowProc(hwnd, message, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstanse, LPSTR LpszCmdParam, int nCmdShow)
{
    if (strstr(LpszCmdParam, "-ffs") != NULL)           // fstream
        mf = new myfiles_fs((char *)fname);
    else if (strstr(LpszCmdParam, "-fv") != NULL)       // file variables
        mf = new myfiles_v((char *)fname);
    else if (strstr(LpszCmdParam, "-fwapi") != NULL)    // windows api
        mf = new myfiles_wapi((char *)fname);
    else// if(strstr(LpszCmdParam, "-fmm") != NULL)     // mapping memory file [default]
        mf = new myfiles_mm((char *)fname);

    char *buff;
    int lenght;
    mf->read(buff, lenght);

    /* default settings */
    int width = 320, height = 240, posx = 0, posy = 0;
    hRGB = RGB(0, 0, 0);

    /* Parse settings */
    char * name = NULL, *value = NULL;
    while (splitnext(buff, name, value)) {
        if (strcmp(name, "width") == 0)
            width = atoi(value);
        else if (strcmp(name, "height") == 0)
            height = atoi(value);
        else if (strcmp(name, "posx") == 0)
            posx = atoi(value);
        else if (strcmp(name, "posy") == 0)
            posy = atoi(value);
        else if (strcmp(name, "RGB") == 0)
            hRGB = atoi(value);

        free(name); free(value);
    }

    /* alloc memory */
    pole = new bool*[n];
    for (int i = 0; i < n; i++) {
        pole[i] = new bool[n];
        memset((char*)pole[i], 0, n * sizeof(bool));
    }

    BOOL bMessageOk;
    MSG message;                // Here message to the application are saved
    WNDCLASS wincl = { 0 };     // Data structure for the windowclass

    /* The Window structure */
    wincl.hInstance = hInstance;
    wincl.lpszClassName = szWinClass;
    wincl.lpfnWndProc = WindowProcedure;    // This function is called by Windows

    /* Create brush for background and pen for grid line */
    hBrush = CreateSolidBrush(hRGB);
    hPen = CreatePen(PS_DASHDOT, 3, RGB(255, 102, 102));
    wincl.hbrBackground = hBrush;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClass(&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindow(
        szWinClass,             /* Classname */
        szWinName,              /* Title Text */
        WS_OVERLAPPEDWINDOW,    /* default window */
        posx,                   /* Windows decides the position */
        posy,                   /* where the window ends up on the screen */
        width,                  /* The programs width */
        height,                 /* and height in pixels */
        HWND_DESKTOP,           /* The window is a child-window to desktop */
        NULL,                   /* No menu */
        hInstance,              /* Program Instance handler */
        NULL                    /* No Window Creation data */
    );

    /* Make the window visible on the screen */
    ShowWindow(hwnd, nCmdShow);

    /* Reg hotkey */
    RegisterHotKey(hwnd, 1, MOD_SHIFT | MOD_NOREPEAT, VK_C);  //Shift+C
    RegisterHotKey(hwnd, 2, MOD_CONTROL | MOD_NOREPEAT, VK_Q);  //Ctrl+Q

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while ((bMessageOk = GetMessage(&message, NULL, 0, 0)) != 0)
    {
        /* Yep, fuck logic: BOOL mb not only 1 or 0.
        * See msdn at https://msdn.microsoft.com/en-us/library/windows/desktop/ms644936(v=vs.85).aspx
        */
        if (bMessageOk == -1)
        {
            puts("Suddenly, GetMessage failed! You can call GetLastError() to see what happend");
            break;
        }
        /* Translate virtual-key message into character message */
        TranslateMessage(&message);
        /* Send message to WindowProcedure */
        DispatchMessage(&message);
    }

    /* Cleanup stuff */
    DeleteObject(hBrush);
    DeleteObject(hPen);
    DestroyWindow(hwnd);
    UnregisterClass(szWinClass, hInstance);

    return 0;
}