354 lines
9.4 KiB
C++
354 lines
9.4 KiB
C++
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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Main.cpp
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Abstract:
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Implements the entry point and message
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pump for the application
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Notes:
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Unicode only
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History:
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05/04/2001 rparsons Created
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--*/
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#include "precomp.h"
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// Disable warning about possible loss of data
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#pragma warning (disable : 4244)
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APPINFO g_ai;
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/*++
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Routine Description:
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Application entry point
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Arguments:
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hInstance - App instance handle
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hPrevInstance - Always NULL
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lpCmdLine - Pointer to the command line
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nCmdShow - Window show flag
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Return Value:
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The wParam of the message or 0 on failure
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--*/
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int
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CALLBACK
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WinMain(
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IN HINSTANCE hInstance,
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IN HINSTANCE hPrevInstance,
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IN LPSTR lpCmdLine,
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IN int nCmdShow
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)
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{
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MSG msg;
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WNDCLASS wndclass;
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WCHAR wszError[MAX_PATH];
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RECT rcDesktop;
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RECT rcDialog;
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INITCOMMONCONTROLSEX icex;
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POINT pt;
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HANDLE hMutex;
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UNREFERENCED_PARAMETER(lpCmdLine);
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UNREFERENCED_PARAMETER(hPrevInstance);
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g_ai.hInstance = hInstance;
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//
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// Make sure we're the only instance running
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//
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hMutex = CreateMutex(NULL, FALSE, L"ShimViewer");
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if (ERROR_ALREADY_EXISTS == GetLastError()) {
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return 0;
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}
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wndclass.style = CS_HREDRAW | CS_VREDRAW;
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wndclass.lpfnWndProc = (WNDPROC) MainWndProc;
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wndclass.cbClsExtra = 0;
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wndclass.cbWndExtra = DLGWINDOWEXTRA;
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wndclass.hInstance = hInstance;
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wndclass.hIcon = NULL;
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wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
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wndclass.hbrBackground = (HBRUSH) (COLOR_BTNFACE+1);
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wndclass.lpszMenuName = NULL;
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wndclass.lpszClassName = APP_CLASS;
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if (!RegisterClass(&wndclass))
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{
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LoadString(hInstance, IDS_NO_CLASS, wszError, sizeof(wszError));
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MessageBox(NULL, wszError, APP_NAME, MB_OK | MB_ICONERROR);
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return 0;
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}
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//
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// Set up the common controls
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//
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icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
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icex.dwICC = ICC_LISTVIEW_CLASSES;
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if (!InitCommonControlsEx(&icex)) {
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InitCommonControls();
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}
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//
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// Get application settings from the registry, if there are any
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//
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GetSaveSettings(FALSE);
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g_ai.hMainDlg = CreateDialog(hInstance, (LPCTSTR) IDD_MAIN,
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NULL, (DLGPROC)MainWndProc);
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if (!g_ai.hMainDlg)
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{
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LoadString(hInstance, IDS_NO_MAIN_DLG, wszError, sizeof(wszError));
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MessageBox(NULL, wszError, APP_NAME, MB_OK | MB_ICONERROR);
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return 0;
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}
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//
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// Get the window position info from the registry, if it's there
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//
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GetSavePositionInfo(FALSE, &pt);
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//
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// Get the coords of the desktop window and place the dialog
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//
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GetWindowRect(GetDesktopWindow(), &rcDesktop);
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GetWindowRect(g_ai.hMainDlg, &rcDialog);
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double nWidth = rcDialog.right - rcDialog.left;
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double nHeight = rcDialog.bottom - rcDialog.top;
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//
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// If nothing was stored in the registry, use default settings
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//
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if (pt.x != 0) {
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//
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// If the flag is set, make the window topmost
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//
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SetWindowPos(g_ai.hMainDlg,
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g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
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pt.x, pt.y, 0, 0,
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SWP_NOSIZE | SWP_SHOWWINDOW);
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} else {
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//
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// If the flag is set, make the window topmost
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//
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SetWindowPos(g_ai.hMainDlg,
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g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
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(rcDesktop.right / 1.05) - (nWidth / 1.05),
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(rcDesktop.bottom / 1.05) - (nHeight / 1.05),
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0, 0,
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SWP_NOSIZE | SWP_SHOWWINDOW);
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}
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//
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// If the flag is set, make the window minimized
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//
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ShowWindow(g_ai.hMainDlg,
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g_ai.fMinimize ? SW_MINIMIZE : SW_SHOWNORMAL);
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while (GetMessage(&msg, (HWND) NULL, 0, 0)) {
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if (!IsDialogMessage(g_ai.hMainDlg, &msg)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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return msg.wParam;
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}
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/*++
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Routine Description:
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Runs the message loop for the app
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Arguments:
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hWnd - Handle to the window
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uMsg - Windows message
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wParam - Additional message info
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lParam - Additional message info
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Return Value:
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TRUE if handled, FALSE otherwise
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--*/
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LRESULT
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CALLBACK
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MainWndProc(
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IN HWND hWnd,
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IN UINT uMsg,
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IN WPARAM wParam,
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IN LPARAM lParam
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)
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{
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switch (uMsg) {
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case WM_INITDIALOG:
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{
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WCHAR wszError[MAX_PATH];
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//
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// Get the handle to the listview and do some init stuff
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//
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g_ai.hWndList = GetDlgItem(hWnd, IDC_LIST);
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InitListViewColumn();
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//
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// Set up our icon, initialize the menu items, and create the thread
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//
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SendMessage(hWnd,
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WM_SETICON,
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TRUE,
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(LPARAM)LoadIcon(g_ai.hInstance, MAKEINTRESOURCE(IDI_APPICON)));
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CheckMenuItem(GetMenu(hWnd),
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IDM_ON_TOP,
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g_ai.fOnTop ? MF_CHECKED : MF_UNCHECKED);
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CheckMenuItem(GetMenu(hWnd),
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IDM_START_SMALL,
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g_ai.fMinimize ? MF_CHECKED : MF_UNCHECKED);
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CheckMenuItem(GetMenu(hWnd),
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IDM_MONITOR,
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g_ai.fMonitor ? MF_CHECKED : MF_UNCHECKED);
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if (!CreateReceiveThread())
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{
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LoadString(g_ai.hInstance, IDS_CREATE_FAILED, wszError, MAX_PATH);
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MessageBox(hWnd, wszError, APP_NAME, MB_OK | MB_ICONERROR);
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g_ai.fMonitor = FALSE;
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} else {
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SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
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}
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break;
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}
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case WM_CLOSE:
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{
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RECT rc;
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GetWindowRect(hWnd, &rc);
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GetSavePositionInfo(TRUE, (LPPOINT)&rc);
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GetSaveSettings(TRUE);
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RemoveFromTray(hWnd);
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EndDialog(hWnd, 0);
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PostQuitMessage(0);
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break;
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}
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case WM_SIZE:
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if (SIZE_MINIMIZED == wParam) {
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ShowWindow(hWnd, SW_HIDE);
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AddIconToTray(hWnd,
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(HICON) LoadImage(g_ai.hInstance,
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MAKEINTRESOURCE(IDI_APPICON),
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IMAGE_ICON, 16, 16, 0),
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APP_NAME);
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return TRUE;
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}
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MoveWindow(g_ai.hWndList, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
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break;
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case WM_NOTIFYICON:
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switch (lParam) {
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case WM_RBUTTONUP:
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DisplayMenu(hWnd);
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break;
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case WM_LBUTTONDBLCLK:
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RemoveFromTray(hWnd);
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ShowWindow(hWnd, SW_SHOWNORMAL);
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break;
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}
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDM_EXIT:
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PostMessage(hWnd, WM_CLOSE, 0, 0);
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break;
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case IDM_RESTORE:
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ShowWindow(hWnd, SW_SHOWNORMAL);
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SetWindowPos(hWnd, g_ai.fOnTop ? HWND_TOPMOST : HWND_NOTOPMOST,
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0,0,0,0, SWP_NOSIZE | SWP_NOMOVE);
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RemoveFromTray(hWnd);
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break;
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case IDM_ABOUT:
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ShellAbout(hWnd, APP_NAME, WRITTEN_BY, LoadIcon(g_ai.hInstance, MAKEINTRESOURCE(IDI_APPICON)));
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break;
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case IDM_MONITOR:
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CheckMenuItem(GetMenu(hWnd),
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IDM_MONITOR,
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g_ai.fMonitor ? MF_UNCHECKED : MF_CHECKED);
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g_ai.fMonitor = g_ai.fMonitor ? FALSE : TRUE;
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if (g_ai.fMonitor) {
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CreateReceiveThread();
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}
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break;
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case IDM_ON_TOP:
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CheckMenuItem(GetMenu(hWnd),
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IDM_ON_TOP,
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g_ai.fOnTop ? MF_UNCHECKED : MF_CHECKED);
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SetWindowPos(hWnd, g_ai.fOnTop ? HWND_NOTOPMOST : HWND_TOPMOST,
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0,0,0,0, SWP_NOSIZE | SWP_NOMOVE);
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g_ai.fOnTop = g_ai.fOnTop ? FALSE : TRUE;
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break;
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case IDM_START_SMALL:
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CheckMenuItem(GetMenu(hWnd),
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IDM_START_SMALL,
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g_ai.fMinimize ? MF_UNCHECKED : MF_CHECKED);
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g_ai.fMinimize = g_ai.fMinimize ? FALSE : TRUE;
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break;
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case IDM_CLEAR:
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ListView_DeleteAllItems(g_ai.hWndList);
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break;
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default:
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break;
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}
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}
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return FALSE;
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}
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