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DVDHelper.cpp
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// DVDHelper.cpp : Defines the entry point for the application.
//
#include "framework.h"
#include "DVDHelper.h"
#include "dbt.h"
#include "DVDHandler.h"
#include "Worker.h"
#include "SettingsDialog.h"
//#include <WinUser.h>
#include <windef.h>
#include <fileapi.h>
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
WCHAR szTitle[MAX_LOADSTRING]; // The title bar text
WCHAR szWindowClass[MAX_LOADSTRING]; // 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);
DVDHandler dvdHandler;
int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPWSTR lpCmdLine,
_In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: Place code here.
//ejectDisk('I');
// Initialize global strings
LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadStringW(hInstance, IDC_DVDHELPER, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_DVDHELPER));
MSG msg;
// Main message loop:
while (GetMessage(&msg, nullptr, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_DVDHELPER));
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_DVDHELPER);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassExW(&wcex);
}
//
// FUNCTION: InitInstance(HINSTANCE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // Store instance handle in our global variable
Settings* set = dvdHandler.GetSettings();
HWND hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, set->yPos, set->wndWide, set->wndHigh, nullptr, nullptr, hInstance, nullptr);
//CW_USEDEFAULT
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
//MoveWindow(hWnd, set->xPos, set->yPos, set->wndWide, set->wndHigh, false);
//SetWindowPos(hWnd, NULL, set->xPos, set->yPos, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
//RECT rect;
//GetWindowRect(hWnd, &rect);
dvdHandler.SetupOutput(hWnd);
return TRUE;
}
// gets drive letter based on the mask sent by the device change event
char FirstDriveFromMask(ULONG unitmask)
{
char i;
for (i = 0; i < 26; ++i)
{
if (unitmask & 0x1)
break;
unitmask = unitmask >> 1;
}
return(i + 'A');
}
//
// 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)
{
PDEV_BROADCAST_HDR lpdb = NULL;
switch (message)
{
case WM_CREATE:
break;
case WM_COMMAND:
{
int wmId = LOWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case ID_FILE_OPTIONS:
{
SettingsDialog setDlg;
setDlg.Show(hWnd, dvdHandler.GetSettings());
}
break;
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code that uses hdc here...
EndPaint(hWnd, &ps);
}
break;
case WM_DEVICECHANGE:
// sent when cd/dvd gets inserted
lpdb = (PDEV_BROADCAST_HDR)lParam;
switch (wParam)
{
case DBT_DEVICEARRIVAL:
if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
lpdb->dbch_size; // size of volume
if (lpdbv->dbcv_flags & DBTF_MEDIA)
{
//I have a valid drive
std::string drive = "C:\\";
char drv = FirstDriveFromMask(lpdbv->dbcv_unitmask);
drive[0] = drv;
// make sure we have a valid dvd disk
dvdHandler.DiskLoaded(drv);
}
}
break;
case DBT_DEVICEREMOVECOMPLETE:
// cd/dvd ejected
if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb;
lpdb->dbch_size; // size of volume
if (lpdbv->dbcv_flags & DBTF_MEDIA)
{
//I have a valid drive
char drv = FirstDriveFromMask(lpdbv->dbcv_unitmask);
dvdHandler.DiskEjected(drv);
}
}
break;
case DBT_DEVNODES_CHANGED:
break;
default:
break;
}
break;
//case WM_MOVE:
// dvdHandler.SavePos(LOWORD(lParam), HIWORD(lParam));
// break;
case WM_SIZE:
break;
case WM_EXITSIZEMOVE:
RECT rect;
if(GetWindowRect(hWnd, &rect))
{
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
dvdHandler.WindowChanged(rect.left, rect.right, width, height);
}
// repaint window
return 0;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}