#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
BOOL CALLBACK AboutDlgProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK EllipPushWndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
PSTR szCL,int iCmdShow) {
static TCHAR szAppName[] = TEXT("About3");
MSG msg;
HWND hwnd;
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(hInstance, szAppName);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = szAppName;
wndclass.lpszClassName = szAppName;
if(!RegisterClass(&wndclass)) {
MessageBox(NULL,TEXT("Requires Windows NT!"),szAppName,MB_ICONERROR);
return 0;
}
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = EllipPushWndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = NULL;
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = TEXT("EllipPush");
RegisterClass(&wndclass);
hwnd = CreateWindow(
szAppName,TEXT("Janela Filha"),WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,CW_USEDEFAULT,500,300,
NULL, NULL, hInstance, NULL
);
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage (&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam) {
static HINSTANCE hInstance;
switch(message) {
case WM_CREATE:
hInstance = ((LPCREATESTRUCT) lParam)->hInstance;
return 0;
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDM_APP_ABOUT:
DialogBox(hInstance,TEXT("AboutBox"), hwnd, AboutDlgProc);
return 0;
}
break;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
BOOL CALLBACK AboutDlgProc(HWND hDlg, UINT message,WPARAM wParam, LPARAM lParam) {
switch(message) {
case WM_INITDIALOG:
return TRUE;
case WM_COMMAND:
switch(LOWORD(wParam)) {
case IDOK:
EndDialog(hDlg, 0);
return TRUE;
}
break;
}
return FALSE;
}
LRESULT CALLBACK EllipPushWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
TCHAR szText[40];
HBRUSH hBrush;
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch(message) {
case WM_PAINT:
GetClientRect(hwnd, &rect);
GetWindowText(hwnd, szText, sizeof(szText));
hdc = BeginPaint(hwnd,&ps);
hBrush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
hBrush = (HBRUSH)SelectObject(hdc, hBrush);
SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
Ellipse(hdc, rect.left,rect.top,rect.right,rect.bottom);
DrawText(hdc,szText, -1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
DeleteObject(SelectObject(hdc, hBrush));
EndPaint(hwnd, &ps);
return 0;
case WM_KEYUP:
if(wParam != VK_SPACE)
break;
case WM_LBUTTONUP:
SendMessage(GetParent(hwnd),WM_COMMAND,GetWindowLong(hwnd, GWL_ID),(LPARAM)hwnd);
return 0;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
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