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/* w32main.c - W32 main entry pint and taskbar support for the GnuPG Agent
* Copyright (C) 2007 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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 2 of the License, or
* (at your option) any later version.
*
* GnuPG 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#include <config.h>
#ifndef HAVE_W32_SYSTEM
#error This module is only useful for the W32 version of gpg-agent
#endif
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <windows.h>
#include "util.h"
#include "w32main.h"
/* The instance handle has received by WinMain. */
static HINSTANCE glob_hinst;
static HWND glob_hwnd;
/* Our window message processing function. */
static LRESULT CALLBACK
wndw_proc (HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
switch (msg)
{
case WM_USER:
fprintf (stderr,"%s: received WM_%s\n", __func__, "USER" );
break;
}
return DefWindowProc (hwnd, msg, wparam, lparam);
}
/* This function is called to do some fast event polling and
processing. */
void
w32_poll_events (void)
{
/* MSG msg; */
/* fprintf (stderr,"%s: enter\n", __func__); */
/* while (PeekMessage (&msg, glob_hwnd, 0, 0, PM_REMOVE)) */
/* { */
/* DispatchMessage (&msg); */
/* } */
/* fprintf (stderr,"%s: leave\n", __func__); */
}
static void *
handle_taskbar (void *ctx)
{
WNDCLASS wndwclass = {0, wndw_proc, 0, 0, glob_hinst,
0, 0, 0, 0, "gpg-agent"};
NOTIFYICONDATA nid;
HWND hwnd;
MSG msg;
int rc;
if (!RegisterClass (&wndwclass))
{
log_error ("error registering window class\n");
ExitThread (0);
}
hwnd = CreateWindow ("gpg-agent", "gpg-agent",
0, 0, 0, 0, 0,
NULL, NULL, glob_hinst, NULL);
if (!hwnd)
{
log_error ("error creating main window\n");
ExitThread (0);
}
glob_hwnd = hwnd;
UpdateWindow (hwnd);
memset (&nid, 0, sizeof nid);
nid.cbSize = sizeof (nid);
nid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
nid.uCallbackMessage = WM_USER;
nid.hWnd = glob_hwnd;
nid.uID = 1;
nid.hIcon = LoadIcon (glob_hinst, MAKEINTRESOURCE (1));
mem2str (nid.szTip, "GnuPG Agent version "PACKAGE_VERSION,
sizeof nid.szTip);
Shell_NotifyIcon (NIM_ADD, &nid);
DestroyIcon (nid.hIcon);
fprintf (stderr, "%s: enter\n", __func__);
while ( (rc=GetMessage (&msg, hwnd, 0, 0)) )
{
if (rc == -1)
{
log_error ("getMessage failed: %s\n", w32_strerror (-1));
break;
}
TranslateMessage (&msg);
DispatchMessage (&msg);
}
fprintf (stderr,"%s: leave\n", __func__);
ExitThread (0);
return NULL;
}
/* This function initializes the Window system and sets up the taskbar
icon. We only have very limited GUI support just to give the
taskbar icon a little bit of life. This fucntion is called once to
fire up the icon. */
int
w32_setup_taskbar (void)
{
SECURITY_ATTRIBUTES sa;
DWORD tid;
HANDLE th;
memset (&sa, 0, sizeof sa);
sa.nLength = sizeof sa;
sa.bInheritHandle = FALSE;
fprintf (stderr,"creating thread for the taskbar_event_loop...\n");
th = CreateThread (&sa, 128*1024,
(LPTHREAD_START_ROUTINE)handle_taskbar,
NULL, 0, &tid);
fprintf (stderr,"created thread %p tid=%d\n", th, (int)tid);
CloseHandle (th);
return 0;
}
/* The main entry point for the Windows version. We save away all GUI
related stuff, parse the commandline and finally call the real
main. */
int WINAPI
WinMain (HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int showcmd)
{
/* Fixme: We need a parser for the command line. Should be
available in some CRT code - need to see whether we can find a
GNU version. For nopw we call gpg-agent with a couple of fixed arguments
*/
char *argv[] = { "gpg-agent.exe", "--daemon", "-v", "--debug-all", NULL };
glob_hinst = hinst;
return w32_main (DIM(argv)-1, argv);
}
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