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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2010 D. R. Commander. All Rights Reserved.
*
* This 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.
*
* This software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- MsgWindow.cxx
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <rfb_win32/MsgWindow.h>
#include <rfb_win32/WMShatter.h>
#include <rfb/LogWriter.h>
#include <rdr/Exception.h>
#include <malloc.h>
#include <tchar.h>
using namespace rfb;
using namespace rfb::win32;
static LogWriter vlog("MsgWindow");
//
// -=- MsgWindowClass
//
class MsgWindowClass {
public:
MsgWindowClass();
~MsgWindowClass();
ATOM classAtom;
HINSTANCE instance;
};
LRESULT CALLBACK MsgWindowProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam) {
LRESULT result = 0;
if (msg == WM_CREATE)
SetWindowLongPtr(wnd, GWLP_USERDATA, (LONG_PTR)((CREATESTRUCT*)lParam)->lpCreateParams);
else if (msg == WM_DESTROY)
SetWindowLongPtr(wnd, GWLP_USERDATA, 0);
MsgWindow* _this = (MsgWindow*) GetWindowLongPtr(wnd, GWLP_USERDATA);
if (!_this) {
vlog.info("null _this in %p, message %x", wnd, msg);
return SafeDefWindowProc(wnd, msg, wParam, lParam);
}
try {
result = _this->processMessage(msg, wParam, lParam);
} catch (rdr::Exception& e) {
vlog.error("untrapped: %s", e.str());
}
return result;
};
MsgWindowClass::MsgWindowClass() : classAtom(0) {
WNDCLASS wndClass;
wndClass.style = 0;
wndClass.lpfnWndProc = MsgWindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hInstance = instance = GetModuleHandle(0);
wndClass.hIcon = 0;
wndClass.hCursor = 0;
wndClass.hbrBackground = 0;
wndClass.lpszMenuName = 0;
wndClass.lpszClassName = _T("rfb::win32::MsgWindowClass");
classAtom = RegisterClass(&wndClass);
if (!classAtom) {
throw rdr::SystemException("unable to register MsgWindow window class", GetLastError());
}
}
MsgWindowClass::~MsgWindowClass() {
if (classAtom) {
UnregisterClass((const TCHAR*)(intptr_t)classAtom, instance);
}
}
static MsgWindowClass baseClass;
//
// -=- MsgWindow
//
MsgWindow::MsgWindow(const TCHAR* name_) : name(tstrDup(name_)), handle(0) {
vlog.debug("creating window \"%s\"", (const char*)CStr(name.buf));
handle = CreateWindow((const TCHAR*)(intptr_t)baseClass.classAtom,
name.buf, WS_OVERLAPPED, 0, 0, 10, 10, 0, 0,
baseClass.instance, this);
if (!handle) {
throw rdr::SystemException("unable to create WMNotifier window instance", GetLastError());
}
vlog.debug("created window \"%s\" (%p)", (const char*)CStr(name.buf), handle);
}
MsgWindow::~MsgWindow() {
if (handle)
DestroyWindow(handle);
vlog.debug("destroyed window \"%s\" (%p)", (const char*)CStr(name.buf), handle);
}
LRESULT
MsgWindow::processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
return SafeDefWindowProc(getHandle(), msg, wParam, lParam);
}
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