Attachment 544 Details for Bug 5096 – clipboard monitor

clipboard monitor

clipmon.c (text/x-csrc), 2.33 KB, created by Henrik Andersson on 2014-05-22 09:29:51 CEST

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Filename:

MIME Type:

Creator: Henrik Andersson

Created: 2014-05-22 09:29:51 CEST

Size: 2.33 KB

patch

obsolete

>#include <stdio.h>
>#include <windows.h>
>#include <winuser.h>
>
>static HWND g_next_clipboard_wnd;
>
>LRESULT CALLBACK WndProc(HWND wnd, UINT msg,
>			 WPARAM wparam, LPARAM lparam)
>{
>  switch(msg)
>  {
>    case WM_CREATE:
>    {
>      fprintf(stderr, "ClipMon: window %p created.\n", wnd);
>
>      g_next_clipboard_wnd = SetClipboardViewer(wnd);
>
>      fprintf(stderr, "ClipMon: Monitoring clipboard, %p is next window in chain.\n",
>	      g_next_clipboard_wnd);
>      return 0;
>    } break;
>
>    case WM_DESTROY:
>    {
>      fprintf(stderr, "ClipMon: window %p destroyed.\n", wnd);
>      ChangeClipboardChain(wnd, g_next_clipboard_wnd);
>      PostQuitMessage(0);
>      return 0;
>    } break;
>
>    case WM_DRAWCLIPBOARD:
>    {
>      if (g_next_clipboard_wnd)
>      {
>	fprintf(stderr, "ClipMon: Dispatching WM_DRAWCLIPBOARD down the chain through %p\n",
>		g_next_clipboard_wnd);
>	SendMessage(g_next_clipboard_wnd, msg, wparam, lparam);
>      }
>    } break;
>
>    case WM_CHANGECBCHAIN:
>    {
>      if ((HWND) wparam == g_next_clipboard_wnd)
>      {
>	fprintf(stderr, "ClipMon: Updating our next window %p in chain, replaced with %p.\n",
>		g_next_clipboard_wnd, (HWND)lparam);
>	g_next_clipboard_wnd = (HWND)lparam;
>      } 
>      else if (g_next_clipboard_wnd != NULL)
>      {
>	fprintf(stderr, "ClipMon: Window %p is removed and next is %p, dispatch down the chain\n",
>		(HWND)wparam, (HWND)lparam);
>	SendMessage(g_next_clipboard_wnd, msg, wparam, lparam);	
>      }
>    } break;
>
>    default:
>      return DefWindowProc(wnd, msg, wparam, lparam);
>  }
>  return (LRESULT) NULL;
>}
>
>#define APP_NAME "ClipMon"
>
>int APIENTRY
>WinMain(HINSTANCE instance, HINSTANCE pinstance,
>	LPSTR cmdline, int show)
>{
>  HWND wnd;
>  MSG msg;
>  WNDCLASS cls;
>
>  /* setup and register window class */
>  memset(&cls, 0, sizeof(cls));
>  cls.style =  CS_HREDRAW | CS_VREDRAW;
>  cls.lpfnWndProc = WndProc;
>  cls.hInstance = instance;
>  cls.lpszClassName = APP_NAME;
>  
>  if (!RegisterClass(&cls))
>  {
>    MessageBox(NULL, "Failed to register window class", APP_NAME, MB_ICONERROR);
>    return;
>  }
>
>  wnd = CreateWindow(APP_NAME, APP_NAME,
>		     WS_OVERLAPPEDWINDOW,
>		     CW_USEDEFAULT, CW_USEDEFAULT,
>		     100, 100,
>		     NULL, NULL, instance, NULL);
>
>  ShowWindow(wnd, show);
>  UpdateWindow(wnd);
>  while (GetMessage(&msg, NULL, 0, 0))
>  {
>    TranslateMessage(&msg);
>    DispatchMessage(&msg);
>  }
>  return msg.wParam;
>}

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Attachments on bug 5096: 544 | 545