// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// RibbonApp.cpp : Defines the entry point for the application.
//

#include <windows.h>

#include "ContextPopup.h"
#include "Application.h"
#include "ContextUI.h"
#include "RibbonFramework.h"

#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;                                       // current instance.
WCHAR wszTitle[MAX_LOADSTRING] = {0};                  // The title bar text.
WCHAR wszWindowClass[MAX_LOADSTRING] = {0};            // the main window class name.

// Forward declarations of functions included in this code module:
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);


int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPSTR     lpCmdLine,
                   int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    HRESULT hr = CoInitialize(NULL);
    if (FAILED(hr))
    {
        return FALSE;
    }

    // Initialize global strings.
    LoadString(hInstance, IDS_APP_TITLE, wszTitle, MAX_LOADSTRING);
    LoadString(hInstance, IDS_CONTEXTPOPUP, wszWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

    // Perform application initialization.
    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    // Main message loop.
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    CoUninitialize();

    return (int) msg.wParam;
}

//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage are only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application has 'well formed' small icons associated
//    with it.
//
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEX wcex;

    wcex.cbSize = sizeof(WNDCLASSEX);

    wcex.style          = 0;    // Don't use CS_HREDRAW or CS_VREDRAW with a Ribbon
    wcex.lpfnWndProc    = WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_CONTEXTPOPUP));
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = NULL;
    wcex.lpszClassName  = wszWindowClass;
    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClassEx(&wcex);
}

//
//   FUNCTION: InitInstance(HINSTANCE, int)
//
//   PURPOSE: Saves instance handle and creates main window.
//
//   COMMENTS:
//
//        In this function, an instance handle is saved in a global variable and
//        create and display the main program window.
//
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
    HWND hWnd;

    hInst = hInstance; // Store instance handle in our global variable.

    hWnd = CreateWindow(wszWindowClass, wszTitle, WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
        CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

    if (!hWnd)
    {
        return FALSE;
    }

    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    return TRUE;
}

//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  PURPOSE:  Processes messages for the main window.
//
//  WM_COMMAND  - process the application menu.
//  WM_PAINT    - Paint the main window.
//  WM_DESTROY  - post a quit message and return.
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    PAINTSTRUCT ps;
    HDC hdc;

    switch (message)
    {
    case WM_CREATE:
        // Initializes the Ribbon framework.
        if (!InitializeFramework(hWnd))
        {
            return -1;
        }
        break;
    case WM_PAINT:
        hdc = BeginPaint(hWnd, &ps);
        EndPaint(hWnd, &ps);
        break;
    case WM_DESTROY:
        // Tears down the Ribbon framework.
        DestroyFramework();
        PostQuitMessage(0);
        break;
    case WM_CONTEXTMENU:
        POINT pt;
        POINTSTOPOINT(pt, lParam);

        ShowContextualUI(pt, hWnd);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}