暇があったのでWin32APIの勉強をしました。
YSATC(Perl/tk)の事も思い出しながら、タイマーを利用したプログラムを作ってみる。
timer.c/*
C言語によるWind32APIの学習
タイマーを利用したストップウォッチプログラム
*/
#include
#define ID_ti 100
#define ID_rs 101
#define ID_ib 102
#define ID_sb 104
#define ID_cb 103
LRESULT CALLBACK WndProc( HWND, UINT, WPARAM, LPARAM );
HWND hrs;
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR CmdLine, int CmdShow)
{
MSG msg;
HWND hWnd;
WNDCLASSEX wndclass;
wndclass.style = 0;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.cbSize = sizeof(WNDCLASSEX);
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);
wndclass.hIconSm = LoadIcon(NULL,IDI_WINLOGO);
wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = "wh";
if( !RegisterClassEx(&wndclass) ) return 0;
hWnd=CreateWindow( "wh",
"Windows example",
WS_OVERLAPPEDWINDOW | WS_VISIBLE, CW_USEDEFAULT,
CW_USEDEFAULT,
300, 200,
HWND_DESKTOP,
NULL,
hInstance,
NULL);
hrs = CreateWindow( "STATIC",
"0",
SS_RIGHT | WS_CHILD | WS_VISIBLE,
30, 60,
100, 30,
hWnd,
(HMENU)ID_rs,
hInstance,
NULL);
CreateWindow( "BUTTON",
"START",
BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE,
180, 20,
60, 30,
hWnd,
(HMENU)ID_ib,
hInstance,
NULL);
CreateWindow( "BUTTON",
"STOP",
BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE,
180, 60,
60, 30,
hWnd,
(HMENU)ID_sb,
hInstance,
NULL);
CreateWindow( "BUTTON",
"CLEAR",
BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE,
180, 100,
60, 30,
hWnd,
(HMENU)ID_cb,
hInstance,
NULL);
SetTimer(hWnd, ID_ti, 1000, NULL);
while( GetMessage(&msg, NULL, 0, 0) )
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
KillTimer(hWnd, ID_ti);
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam)
{
static int cn = 0;
static int sw = 0;
char cbuf[50];
switch(iMessage)
{
case WM_COMMAND:
switch(wParam)
{
case ID_ib:
sw =1;
break;
case ID_sb:
sw=0;
break;
case ID_cb:
sw = cn = 0;
wsprintf(cbuf, "%d", cn);
SetWindowText(hrs, cbuf);
break;
}
break;
case WM_TIMER:
if(sw)
{
cn++;
wsprintf(cbuf, "%d", cn);
SetWindowText(hrs, cbuf);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, iMessage, wParam, lParam);
}
return 0;
}PR
