#include "c_WinGuiApp.h"

/* -------------------------------------------------------------------------------------------------------------- */
/*  */

#define MAIN_WINDOW_CLASSNAME "c_WinGuiApp_Main"

/* -------------------------------------------------------------------------------------------------------------- */
/*  */

static void MainWindow_OnDestroy(HWND hwnd){
    PostQuitMessage(0);
}

static void MainWindow_OnPaint(HWND hwnd){
    PAINTSTRUCT PaintStruct;
    HDC hdc = BeginPaint(hwnd, &PaintStruct);
    TextOutA(hdc, 10, 10, "Hello", 5);
    EndPaint(hwnd, &PaintStruct);
}

/* -------------------------------------------------------------------------------------------------------------- */
/*  */

c_WinGuiApp_EventBegin(WndProc)
    c_WinGuiApp_OnEvent(WM_DESTROY, MainWindow_OnDestroy)
    c_WinGuiApp_OnEvent(WM_PAINT, MainWindow_OnPaint)
c_WinGuiApp_EventEnd

/* -------------------------------------------------------------------------------------------------------------- */
/*  */



static bool Register(HINSTANCE hInstance){
    WNDCLASS WndClass;
    WndClass.lpszClassName = MAIN_WINDOW_CLASSNAME;
    WndClass.style = CS_HREDRAW | CS_VREDRAW;
    WndClass.cbWndExtra = 0;
    WndClass.cbClsExtra = 0;
    WndClass.hInstance = hInstance;
    WndClass.lpfnWndProc = WndProc;
    WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
    WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    WndClass.lpszMenuName = NULL;
    return (RegisterClass(&WndClass)!=0);
}


static HWND Create(HINSTANCE hInstance, int nCmdShow){
    HWND hWindow = CreateWindowEx(0, MAIN_WINDOW_CLASSNAME, MAIN_WINDOW_CLASSNAME,
                                  WS_OVERLAPPEDWINDOW,
                                  CW_USEDEFAULT, CW_USEDEFAULT,
                                  CW_USEDEFAULT, CW_USEDEFAULT,
                                  NULL, NULL, hInstance, NULL);
    if(!hWindow) return NULL;
    c_WinGuiApp.hMainWindow = hWindow;
    ShowWindow(hWindow, nCmdShow);
    UpdateWindow(hWindow);
    return hWindow;
}

/* -------------------------------------------------------------------------------------------------------------- */
/*  */


c_WinGuiApp_Main(Register, Create)