reactos/rosapps/hcalc/hcalc.c

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/* Copyright 1998 DJ Delorie <dj@delorie.com>
Distributed under the terms of the GNU GPL
http://www.delorie.com/store/hcalc/
*/
#include <stdio.h>
#include <stdarg.h>
#define STRICT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "hcalc.h"
#define WIDTH 125
#define HEIGHT 147
/*
** local vars
*/
static char szAppName[16];
static char szTitle[80];
static HINSTANCE hInst;
static HBITMAP face, chars, bits;
static int r=0, g=0, b=0;
static HWND window;
static char shown_offsets[15];
static int shown_bitmask;
static int show_bits;
#define CHARS_LEFT 6
#define CHARS_TOP 6
#define BITS_RIGHT 92
#define BITS_TOP 6
char charmap[] = " 0123456789ABCDEF-x,.ro+";
int char_to_x[256];
void
paint_bits(HDC dc, HDC bdc)
{
int i;
SelectObject(bdc, bits);
for (i=0; i<32; i++)
{
int b = (shown_bitmask >> i) & 1;
BitBlt(dc, BITS_RIGHT-2*i-3*(i/4), BITS_TOP, 1, 7,
bdc, b, 0, SRCCOPY);
}
}
void
paint_chars(HDC dc, HDC bdc)
{
int i;
SelectObject(bdc, chars);
for (i=0; i<15; i++)
{
BitBlt(dc, CHARS_LEFT+6*i, CHARS_TOP, 5, 7,
bdc, shown_offsets[i], 0, SRCCOPY);
}
}
int
paint()
{
PAINTSTRUCT paintstruct;
HDC dc = BeginPaint(window, &paintstruct);
HDC bdc = CreateCompatibleDC(dc);
SelectObject(bdc, face);
BitBlt(dc, 0, 0, WIDTH, HEIGHT, bdc, 0, 0, SRCCOPY);
if (show_bits)
paint_bits(dc, bdc);
else
paint_chars(dc, bdc);
DeleteDC(bdc);
EndPaint(window, &paintstruct);
return 0;
}
void
redraw()
{
RECT r;
r.left = 0;
r.right = WIDTH-1;
r.top = 0;
r.bottom = HEIGHT-1;
InvalidateRect(window, &r, FALSE);
}
void
set_bits(int b)
{
shown_bitmask = b;
show_bits = 1;
redraw();
}
void
set_string(char *s)
{
char tmp[16];
int i;
sprintf(tmp, "%15.15s", s);
for (i=0; i<15; i++)
shown_offsets[i] = char_to_x[tmp[i]];
show_bits = 0;
redraw();
}
static int count=0;
static char tmp[100];
static char ctmp[20] = " ";
void
do_exit(int ec)
{
PostQuitMessage(ec);
}
/*
** Main Windows Proc
*/
LRESULT CALLBACK
WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
// int i;
// int lw = LOWORD(wParam);
// int hw = HIWORD(wParam);
// HWND w = (HWND)lParam;
window = hWnd;
switch (message)
{
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_PAINT:
return paint();
case WM_LBUTTONDOWN:
#if 0
count++;
wsprintf(tmp, "%3d %3d", LOWORD(lParam), HIWORD(lParam));
set_string(tmp);
#else
button(1, LOWORD(lParam), HIWORD(lParam));
#endif
break;
case WM_RBUTTONDOWN:
#if 0
count++;
set_bits(count);
#else
button(2, LOWORD(lParam), HIWORD(lParam));
#endif
break;
case WM_CHAR:
#if 0
for (i=0; i<20; i++)
ctmp[i] = ctmp[i+1];
ctmp[14] = wParam;
ctmp[15] = 0;
set_string(ctmp);
#else
key(wParam);
#endif
break;
default:
break;
} /* switch message */
return DefWindowProc (hWnd, message, wParam, lParam);
}
/*
** register class
*/
static BOOL
InitApplication(HINSTANCE hInstance, int nCmdShow)
{
int i, style;
WNDCLASS wc;
HWND hWnd;
RECT size;
LoadString(hInstance, IDS_APPNAME, szAppName, sizeof(szAppName));
LoadString(hInstance, IDS_DESCRIPTION, szTitle, sizeof(szTitle));
hInst = hInstance;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = szAppName;
if (RegisterClass(&wc) == 0)
return FALSE;
style = WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX;
size.left = 0;
size.top = 0;
size.right = WIDTH-3;
size.bottom = HEIGHT-3;
AdjustWindowRect(&size, style, 0);
hWnd = CreateWindowEx(WS_EX_TOPMOST,
szAppName,
szTitle,
style,
CW_USEDEFAULT, 0,
size.right-size.left, size.bottom-size.top,
NULL,
NULL,
hInstance,
NULL
);
if (hWnd == NULL)
return FALSE;
face = LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_FACE));
chars = LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_CHARS));
bits = LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_BITS));
for (i=0; i<256; i++)
char_to_x[i] = 0;
for (i=0; charmap[i]; i++)
char_to_x[charmap[i]] = i*6;
window = hWnd;
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
/*
** Main entry
*/
int WINAPI
WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdLine,
int nCmdShow)
{
MSG msg;
HANDLE hAccelTable;
if (!InitApplication(hInstance, nCmdShow))
return FALSE;
hAccelTable = LoadAccelerators(hInstance, szAppName);
while( GetMessage(&msg, NULL, 0, 0))
if (!TranslateAccelerator (msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}