84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
#include <stdio.h>
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#include <windows.h>
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#include <wingdi.h>
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LRESULT CALLBACK MainWindowCallback(HWND window, UINT message, WPARAM wParam,
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LPARAM lParam) {
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LRESULT res = 0;
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switch (message) {
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case WM_SIZE: {
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printf("WM_SIZE\n");
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} break;
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case WM_DESTROY: {
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printf("WM_DESTROY\n");
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} break;
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case WM_CLOSE: {
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printf("WM_CLOSE\n");
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} break;
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case WM_PAINT: {
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PAINTSTRUCT paint;
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HDC deviceContext = BeginPaint(window, &paint);
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int height = paint.rcPaint.bottom - paint.rcPaint.top;
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int width = paint.rcPaint.right - paint.rcPaint.left;
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int x = paint.rcPaint.left;
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int y = paint.rcPaint.top;
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static DWORD operation = WHITENESS;
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PatBlt(deviceContext, x, y, width, height, operation);
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if (operation == WHITENESS) {
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operation = BLACKNESS;
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} else {
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operation = WHITENESS;
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}
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EndPaint(window, &paint);
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} break;
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case WM_ACTIVATEAPP: {
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printf("WM_ACTIVATEAPP\n");
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} break;
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default: {
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// printf("WM_ACTIVATEAPP\n");
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res = DefWindowProc(window, message, wParam, lParam);
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} break;
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}
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return res;
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}
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int CALLBACK WinMain(HINSTANCE instance, HINSTANCE prevInstance,
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LPSTR commandLine, int showCode) {
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WNDCLASS WindowClass = {0};
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WindowClass.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
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WindowClass.lpfnWndProc = MainWindowCallback;
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// WindowClass.cbClsExtra = ;
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// WindowClass.cbWndExtra = ;
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WindowClass.hInstance = instance;
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// WindowClass.hIcon = ;
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// WindowClass.hCursor = ;
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// WindowClass.lpszMenuName = ;
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WindowClass.lpszClassName = "HandmadeHeroWindowClass";
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if (RegisterClass(&WindowClass)) {
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HWND windowHandle = CreateWindowEx(
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0, WindowClass.lpszClassName, "Handmade Hero",
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WS_OVERLAPPEDWINDOW | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, instance, 0);
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if (windowHandle) {
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MSG message;
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for (;;) {
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BOOL msgResult = GetMessage(&message, 0, 0, 0);
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if (msgResult > 0) {
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TranslateMessage(&message);
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DispatchMessage(&message);
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} else {
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break;
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}
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}
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} else {
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// TODO: log?
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}
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} else {
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// TODO: log?
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}
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return (0);
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}
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