Commit before breaking everything

[matches/honours.git] / research / transmission_spectroscopy / TOF / Win32++ / samples / Threads / src / MainWnd.cpp

diff --git a/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp b/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp
new file mode 100644 (file)
index 0000000..eb9dd9e
--- /dev/null
+++ b/research/transmission_spectroscopy/TOF/Win32++/samples/Threads/src/MainWnd.cpp
@@ -0,0 +1,105 @@
+//////////////////////////////////////////////\r
+// MainWnd.cpp\r
+//  Definitions for the CMainWindow class\r
+\r
+#include "stdafx.h"\r
+#include "MainWnd.h"\r
+\r
+\r
+CMainWindow::CMainWindow() : m_nWindowsCreated(0)\r
+{\r
+       // Set the number of threads\r
+       m_nTestWin = 20;\r
+\r
+       // A couple of notes in case you're tempted to test how many threads with test windows can be created ...\r
+\r
+       // Note 1: A Windows limit of 10000 handles per process imposes a practical limit of aprox 1000 test windows.\r
+       //         Refer to: http://support.microsoft.com/kb/327699\r
+       // Note 2: All our threads belong to the one process.\r
+       // Note 3: Creating (or destroying) more than say 200 windows may temporarily stress the Explorer process.\r
+       // Note 4: This sample is intended as "proof of concept" only. A well written program should not require 20 GUI threads!\r
+}\r
+\r
+HWND CMainWindow::Create(CWnd* pParent)\r
+{\r
+       CString str = _T("Main Thread Window");\r
+\r
+       // Create the main window\r
+       return CreateEx(WS_EX_TOPMOST, NULL, str, WS_OVERLAPPEDWINDOW | WS_VISIBLE,\r
+               20 , 50, 400, 300, pParent, NULL);\r
+}\r
+\r
+void CMainWindow::OnCreate()\r
+{\r
+       // Create each CMyThread object\r
+       for (int i = 1 ; i <= m_nTestWin ; i++)\r
+       {\r
+               // Create the Test Window and store the CTestWindow pointer\r
+               CTestWindow* pTestWin = new CTestWindow(i);\r
+\r
+               CString str;\r
+               str.Format( _T("Thread %d started\n"), i );\r
+               TRACE(str);\r
+\r
+               m_vTestWnd.push_back(pTestWin);\r
+       }\r
+\r
+       std::vector<TestWndPtr>::iterator iter;\r
+       for (iter = m_vTestWnd.begin(); iter < m_vTestWnd.end(); ++iter)\r
+       {\r
+               (*iter)->ResumeThread();\r
+       }\r
+}\r
+\r
+void CMainWindow::OnAllWindowsCreated()\r
+{\r
+       CString str;\r
+       str.Format( _T("%d Test windows created in seperate threads\n"), m_nTestWin );\r
+       TRACE(str);\r
+}\r
+\r
+LRESULT CMainWindow::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)\r
+{\r
+       switch (uMsg)\r
+       {\r
+       case WM_COMMAND:\r
+               if (HIWORD(wParam) == EN_SETFOCUS)\r
+                       SetFocus();\r
+               break;\r
+\r
+       case WM_CLOSE:\r
+               {\r
+                       // Close each thread window.\r
+                       // The thread is then terminated with a WM_QUIT when its window is destroyed.\r
+                       std::vector<TestWndPtr>::iterator iter;\r
+                       for (iter = m_vTestWnd.begin(); iter < m_vTestWnd.end(); ++iter)\r
+                       {\r
+                               if ((*iter)->IsWindow())\r
+                                       (*iter)->SendMessage(WM_CLOSE, 0, 0);\r
+                       }\r
+               }\r
+               break;\r
+\r
+       case WM_DESTROY:\r
+               {\r
+                       // Terminate the primary thread.\r
+                       ::PostQuitMessage(0);\r
+               }\r
+               break;\r
+\r
+       case WM_WINDOWCREATED:\r
+               {\r
+                       // Message recieved when a test window is created\r
+                       CString str;\r
+                       ++m_nWindowsCreated;\r
+                       str.Format( _T("Created Window %d\n"), m_nWindowsCreated );\r
+                       TRACE(str);\r
+                       if (m_nWindowsCreated == m_nTestWin)\r
+                               OnAllWindowsCreated();\r
+               }\r
+               break;\r
+       }\r
+\r
+       return WndProcDefault(uMsg, wParam, lParam);\r
+}\r
+\r