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/*
* Copyright (c) 2010, Psiphon Inc.
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// psiclient.cpp : Defines the entry point for the application.
//
#include "stdafx.h"
#include "psiclient.h"
#include "sshtunnel.h"
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR 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);
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_PSICLIENT, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_PSICLIENT));
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
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 will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX 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_PSICLIENT));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
//wcex.lpszMenuName = MAKEINTRESOURCE(IDC_PSICLIENT);
wcex.lpszMenuName = 0;
wcex.lpszClassName = szWindowClass;
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, we save the instance handle in a global variable and
// create and display the main program window.
//
HWND g_hWnd;
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
int width = 150, height = 100;
RECT rect = {0, 0, width, height};
hInst = hInstance; // Store instance handle in our global variable
SystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0);
hWnd = CreateWindowEx(
WS_EX_TOPMOST|WS_EX_TOOLWINDOW,
szWindowClass,
szTitle,
WS_OVERLAPPEDWINDOW & ~WS_SYSMENU,
// CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
rect.right - width, rect.bottom - height, width, height,
NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
g_hWnd = hWnd;
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//=== toolbar ========================================================
// http://msdn.microsoft.com/en-us/library/bb760446%28v=VS.85%29.aspx
HWND g_hToolBar = NULL;
HWND CreateToolbar(HWND hWndParent)
{
// Define some constants.
const int ImageListID = 0;
const int numButtons = 3;
const DWORD buttonStyles = BTNS_AUTOSIZE;
const int bitmapSize = 32;
// Create the toolbar.
HWND hWndToolbar = CreateWindowEx(
0, TOOLBARCLASSNAME, NULL,
WS_CHILD | TBSTYLE_WRAPABLE,
0, 0, 0, 0,
hWndParent, NULL, hInst, NULL);
if (hWndToolbar == NULL)
{
return NULL;
}
// Create image list from bitmap
HIMAGELIST hImageList = ImageList_LoadImage(
hInst, MAKEINTRESOURCE(IDB_TOOLBAR_ICONS),
bitmapSize, numButtons, GetSysColor(COLOR_BTNFACE),
IMAGE_BITMAP, LR_CREATEDIBSECTION);
// TODO: transparency
// Set the image list.
SendMessage(
hWndToolbar, TB_SETIMAGELIST, (WPARAM)ImageListID,
(LPARAM)hImageList);
// Initialize button info.
TBBUTTON tbButtons[numButtons] =
{
{ MAKELONG(0, ImageListID), IDM_START, TBSTATE_ENABLED,
buttonStyles, {0}, 0, (INT_PTR)L"" },
{ MAKELONG(1, ImageListID), IDM_STOP, TBSTATE_ENABLED,
buttonStyles, {0}, 0, (INT_PTR)L"" },
//{ MAKELONG(2, ImageListID), IDM_SHOW_DEBUG_MESSAGES, TBSTATE_ENABLED,
// buttonStyles, {0}, 0, (INT_PTR)L"" },
//{ MAKELONG(3, ImageListID), IDM_HELP, TBSTATE_ENABLED,
// buttonStyles, {0}, 0, (INT_PTR)L"" },
{ MAKELONG(4, ImageListID), IDM_EXIT, TBSTATE_ENABLED,
buttonStyles, {0}, 0, (INT_PTR)L"" },
};
// Add buttons.
SendMessage(
hWndToolbar, TB_BUTTONSTRUCTSIZE,
(WPARAM)sizeof(TBBUTTON), 0);
SendMessage(
hWndToolbar, TB_ADDBUTTONS, (WPARAM)numButtons,
(LPARAM)&tbButtons);
// Tell the toolbar to resize itself, and show it.
SendMessage(hWndToolbar, TB_AUTOSIZE, 0, 0);
ShowWindow(hWndToolbar, TRUE);
return hWndToolbar;
}
//=== my_print ========================================================
HWND g_hListBox = NULL;
bool g_bShowDebugMessages = false;
void my_print(bool bDebugMessage, const TCHAR* format, ...)
{
if (!bDebugMessage || g_bShowDebugMessages)
{
TCHAR* debug_prefix = _T("DEBUG: ");
TCHAR* buffer = NULL;
int len;
va_list args;
va_start(args, format);
len = _vsctprintf(format, args) + 1;
if (bDebugMessage)
{
len += _tcsclen(debug_prefix) + 1;
}
buffer = (TCHAR*)malloc(len*sizeof(TCHAR));
if (!buffer) return;
if (bDebugMessage)
{
_tcscpy(buffer, debug_prefix);
_vstprintf(buffer + _tcsclen(debug_prefix), format, args);
}
else
{
_vstprintf(buffer, format, args);
}
va_end(args);
SendMessage(g_hListBox, LB_ADDSTRING, NULL, (LPARAM)buffer);
free(buffer);
SendMessage(g_hListBox, LB_SETCURSEL,
SendMessage(g_hListBox, LB_GETCOUNT, NULL, NULL)-1, NULL);
}
}
//=== other stuff ========================================================
SSHTunnel ssh_tunnel;
//
// 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)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
RECT rect;
HGDIOBJ font;
int toolbar_height = 48; // TODO: calculate
switch (message)
{
case WM_CREATE:
g_hToolBar = CreateToolbar(hWnd);
g_hListBox = CreateWindow(_T("listbox"),
_T(""),
WS_CHILD|WS_VISIBLE|WS_VSCROLL|LBS_NOINTEGRALHEIGHT|LBS_DISABLENOSCROLL|LBS_NOTIFY,
0, 0, 1, 1,
hWnd, NULL, NULL, NULL);
font = GetStockObject(DEFAULT_GUI_FONT);
SendMessage(g_hListBox, WM_SETFONT, (WPARAM)font, NULL);
ssh_tunnel.StartUp();
break;
case WM_SIZE:
// make list box fill window client area
GetClientRect(hWnd, &rect);
if (g_hToolBar != NULL)
{
MoveWindow(
g_hToolBar,
0, 0,
rect.right-rect.left, toolbar_height,
TRUE);
}
if (g_hListBox != NULL)
{
MoveWindow(
g_hListBox,
0, toolbar_height,
rect.right-rect.left, rect.bottom-rect.top - toolbar_height,
TRUE);
}
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_START:
ssh_tunnel.StartUp();
break;
case IDM_STOP:
ssh_tunnel.ShutDown();
break;
case IDM_SHOW_DEBUG_MESSAGES:
g_bShowDebugMessages = !g_bShowDebugMessages;
my_print(false, _T("Show debug messages: %s"), g_bShowDebugMessages ? _T("Yes") : _T("No"));
break;
// TODO: remove about and exit? The menu is currently hidden
case IDM_HELP:
// TODO: help?
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:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
ssh_tunnel.ShutDown();
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;
}
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