mirror of
https://github.com/kasmtech/KasmVNC.git
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119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright (C) 2010 D. R. Commander. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- MsgWindow.cxx
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#include <rfb_win32/MsgWindow.h>
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#include <rfb_win32/WMShatter.h>
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#include <rfb/LogWriter.h>
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#include <rdr/Exception.h>
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#include <malloc.h>
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#include <tchar.h>
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using namespace rfb;
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using namespace rfb::win32;
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static LogWriter vlog("MsgWindow");
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//
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// -=- MsgWindowClass
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//
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class MsgWindowClass {
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public:
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MsgWindowClass();
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~MsgWindowClass();
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ATOM classAtom;
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HINSTANCE instance;
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};
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LRESULT CALLBACK MsgWindowProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam) {
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LRESULT result = 0;
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if (msg == WM_CREATE)
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SetWindowLongPtr(wnd, GWLP_USERDATA, (LONG_PTR)((CREATESTRUCT*)lParam)->lpCreateParams);
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else if (msg == WM_DESTROY)
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SetWindowLongPtr(wnd, GWLP_USERDATA, 0);
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MsgWindow* _this = (MsgWindow*) GetWindowLongPtr(wnd, GWLP_USERDATA);
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if (!_this) {
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vlog.info("null _this in %p, message %x", wnd, msg);
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return SafeDefWindowProc(wnd, msg, wParam, lParam);
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}
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try {
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result = _this->processMessage(msg, wParam, lParam);
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} catch (rdr::Exception& e) {
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vlog.error("untrapped: %s", e.str());
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}
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return result;
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};
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MsgWindowClass::MsgWindowClass() : classAtom(0) {
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WNDCLASS wndClass;
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wndClass.style = 0;
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wndClass.lpfnWndProc = MsgWindowProc;
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wndClass.cbClsExtra = 0;
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wndClass.cbWndExtra = 0;
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wndClass.hInstance = instance = GetModuleHandle(0);
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wndClass.hIcon = 0;
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wndClass.hCursor = 0;
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wndClass.hbrBackground = 0;
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wndClass.lpszMenuName = 0;
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wndClass.lpszClassName = _T("rfb::win32::MsgWindowClass");
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classAtom = RegisterClass(&wndClass);
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if (!classAtom) {
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throw rdr::SystemException("unable to register MsgWindow window class", GetLastError());
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}
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}
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MsgWindowClass::~MsgWindowClass() {
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if (classAtom) {
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UnregisterClass((const TCHAR*)(intptr_t)classAtom, instance);
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}
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}
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static MsgWindowClass baseClass;
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//
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// -=- MsgWindow
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//
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MsgWindow::MsgWindow(const TCHAR* name_) : name(tstrDup(name_)), handle(0) {
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vlog.debug("creating window \"%s\"", (const char*)CStr(name.buf));
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handle = CreateWindow((const TCHAR*)(intptr_t)baseClass.classAtom,
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name.buf, WS_OVERLAPPED, 0, 0, 10, 10, 0, 0,
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baseClass.instance, this);
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if (!handle) {
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throw rdr::SystemException("unable to create WMNotifier window instance", GetLastError());
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}
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vlog.debug("created window \"%s\" (%p)", (const char*)CStr(name.buf), handle);
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}
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MsgWindow::~MsgWindow() {
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if (handle)
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DestroyWindow(handle);
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vlog.debug("destroyed window \"%s\" (%p)", (const char*)CStr(name.buf), handle);
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}
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LRESULT
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MsgWindow::processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
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return SafeDefWindowProc(getHandle(), msg, wParam, lParam);
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}
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