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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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