Witam. Robię kalkulator pod Windows i robię i jakoś skończyć nie mogę po zawsze coś nie tak:(
Chciałbym abyście poprawili ten kod w miarę możliwości i objaśnili.
#include <windows.h>
#include<string>
#define mnoz 1000
#define dzie 1001
#define odej 1002
#define dodaj 1003
using namespace std;
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
HWND klik1,klik2,klik3,klik4,klik5,klik6,klik7,klik8,klik9,edit;
HWND mno,dziel,raz,od,dod,row,kas;
int dzialanie;
HINSTANCE *wsk;
float liczba,liczba1,liczba2,liczba3,liczba4,liczba5,liczba6,liczba7,liczba8,liczba9,wynik;
char wyn[10];
char szClassName[ ] = "WindowsApp";
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
int nFunsterStil)
{wsk=&hThisInstance;
HWND hwnd;
MSG messages;
WNDCLASSEX wincl;
/* The Window structure */
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
wincl.style = CS_DBLCLKS; /* Catch double-clicks */
wincl.cbSize = sizeof (WNDCLASSEX);
/* Use default icon and mouse-pointer */
wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
wincl.lpszMenuName = NULL; /* No menu */
wincl.cbClsExtra = 0; /* No extra bytes after the window class */
wincl.cbWndExtra = 0; /* structure or the window instance */
/* Use Windows's default color as the background of the window */
wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
/* Register the window class, and if it fails quit the program */
if (!RegisterClassEx (&wincl))
return 0;
/* The class is registered, let's create the program*/
hwnd = CreateWindowEx (
0, /* Extended possibilites for variation */
szClassName, /* Classname */
"Windows App", /* Title Text */
WS_BORDER, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
300, /* The programs width */
400, /* and height in pixels */
HWND_DESKTOP, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
/* Make the window visible on the screen */
ShowWindow (hwnd, nFunsterStil);
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage (&messages, NULL, 0, 0))
{
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
}
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) /* handle the messages */
{
case WM_CREATE:
klik1=CreateWindowEx(0,"BUTTON","1",WS_CHILD|WS_VISIBLE,25,60,70,60,hwnd,(HMENU)1,*wsk,NULL);
klik2=CreateWindowEx(0,"BUTTON","2",WS_CHILD|WS_VISIBLE,110,60,70,60,hwnd,(HMENU)2,*wsk,NULL);
klik3=CreateWindowEx(0,"BUTTON","3",WS_CHILD|WS_VISIBLE,195,60,70,60,hwnd,(HMENU)3,*wsk,NULL);
klik4=CreateWindowEx(0,"BUTTON","4",WS_CHILD|WS_VISIBLE,25,135,70,60,hwnd,(HMENU)4,*wsk,NULL);
klik5=CreateWindowEx(0,"BUTTON","5",WS_CHILD|WS_VISIBLE,110,135,70,60,hwnd,(HMENU)5,*wsk,NULL);
klik6=CreateWindowEx(0,"BUTTON","6",WS_CHILD|WS_VISIBLE,195,135,70,60,hwnd,(HMENU)6,*wsk,NULL);
klik7=CreateWindowEx(0,"BUTTON","7",WS_CHILD|WS_VISIBLE,25,210,70,60,hwnd,(HMENU)7,*wsk,NULL);
klik8=CreateWindowEx(0,"BUTTON","8",WS_CHILD|WS_VISIBLE,110,210,70,60,hwnd,(HMENU)8,*wsk,NULL);
klik9=CreateWindowEx(0,"BUTTON","9",WS_CHILD|WS_VISIBLE,195,210,70,60,hwnd,(HMENU)9,*wsk,NULL);
//99999999999999999999999999999999999999999999999999999999999999999999999999999999999
dod=CreateWindowEx(0,"BUTTON","+",WS_CHILD|WS_VISIBLE,70,285,30,30,hwnd,(HMENU)10,*wsk,NULL);
od=CreateWindowEx(0,"BUTTON","-",WS_CHILD|WS_VISIBLE,120,285,30,30,hwnd,(HMENU)11,*wsk,NULL);
dziel=CreateWindowEx(0,"BUTTON","/",WS_CHILD|WS_VISIBLE,170,285,30,30,hwnd,(HMENU)12,*wsk,NULL);
mno=CreateWindowEx(0,"BUTTON","*",WS_CHILD|WS_VISIBLE,220,285,30,30,hwnd,(HMENU)13,*wsk,NULL);
//99999999999999999999999999999999999999999999999999999999999999999999999999999999999999990
row=CreateWindowEx(0,"BUTTON","=",WS_CHILD|WS_VISIBLE,145,325,95,40,hwnd,(HMENU)14,*wsk,NULL);
kas=CreateWindowEx(0,"BUTTON","C",WS_CHILD|WS_VISIBLE,60,325,60,40,hwnd,(HMENU)15,*wsk,NULL);
//00000000000000000000000000000000000000000000000000000000000000000000000000000000
edit=CreateWindowEx(WS_EX_CLIENTEDGE,"EDIT","",WS_CHILD|WS_VISIBLE,10,10,270,35,hwnd,NULL,*wsk,NULL);
break;
//----------------------------------------------------------------------------
case WM_COMMAND:
switch(wParam)
{
case 1:
{
SetWindowText(edit,"1");
DWORD dl1;
dl1 = GetWindowTextLength(edit);
LPSTR bf1= (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl1 + 1);
GetWindowText(edit, bf1, dl1 + 1);
liczba = atof(bf1);
}
break;
case 2:
{
SetWindowText(edit,"2");
DWORD dl2;
dl2 = GetWindowTextLength(edit);
LPSTR bf2 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl2 + 1);
GetWindowText(edit, bf2, dl2 + 1);
liczba= atof(bf2);
}
break;
case 3:
{
SetWindowText(edit,"3");
DWORD dl3;
dl3 = GetWindowTextLength(edit);
LPSTR bf3 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl3 + 1);
GetWindowText(edit, bf3, dl3 + 1);
liczba = atof(bf3);
}
break;
case 4:
{
SetWindowText(edit,"4");
DWORD dl4;
dl4 = GetWindowTextLength(edit);
LPSTR bf4 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl4 + 1);
GetWindowText(edit, bf4, dl4 + 1);
liczba = atof(bf4);
}
break;
case 5:
{
SetWindowText(edit,"5");
DWORD dl5;
dl5 = GetWindowTextLength(edit);
LPSTR bf5 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl5 + 1);
GetWindowText(edit, bf5, dl5 + 1);
liczba = atof(bf5);
}
break;
case 6:
{
SetWindowText(edit,"6");
DWORD dl6;
dl6 = GetWindowTextLength(edit);
LPSTR bf6 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl6 + 1);
GetWindowText(edit, bf6, dl6 + 1);
liczba = atof(bf6);
}
break;
case 7:
{
SetWindowText(edit,"7");
DWORD dl7;
dl7 = GetWindowTextLength(edit);
LPSTR bf7 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl7 + 1);
GetWindowText(edit, bf7, dl7 + 1);
liczba = atof(bf7);
}
break;
case 8:
{
SetWindowText(edit,"8");
DWORD dl8;
dl8 = GetWindowTextLength(edit);
LPSTR bf8 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl8 + 1);
GetWindowText(edit, bf8, dl8 + 1);
liczba = atof(bf8);
}
break;
case 9:
{
SetWindowText(edit,"9");
DWORD dl9;
dl9 = GetWindowTextLength(edit);
LPSTR bf9 = (LPSTR)HeapAlloc(GetProcessHeap(), 0x1 | 0x8, dl9 + 1);
GetWindowText(edit, bf9, dl9 + 1);
liczba = atof(bf9);
}
break;
case 10:
dzialanie=dodaj;break;
case 11:
dzialanie=odej;break;
case 12:
//if(!liczba)
// MessageBox(hwnd, "dzielenie przez zero", "Error", MB_OK);
// else
dzialanie=dzie; break;
case 13:
dzialanie=mnoz; break;
case 14:
switch(dzialanie)
{ case dodaj:
wynik=liczba+liczba;break;
case odej:
wynik=liczba-liczba;break;
case dzie:
wynik=liczba/liczba;break;
case mnoz:
wynik=wynik*liczba;break;
}
wsprintf(wyn, "%.d", wynik);
SetWindowText(edit,wyn); break;
//;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
}
break;
//--------------------------------------------------------------------
case WM_DESTROY:
PostQuitMessage (0); /* send a WM_QUIT to the message queue */
break;
default: /* for messages that we don't deal with */
return DefWindowProc (hwnd, message, wParam, lParam);
}
return 0;
}
z góry naprawdę dziękuje i pozdrawiam.