1/*
2 *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
3 *
4 *Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 *"Software"), to deal in the Software without restriction, including
7 *without limitation the rights to use, copy, modify, merge, publish,
8 *distribute, sublicense, and/or sell copies of the Software, and to
9 *permit persons to whom the Software is furnished to do so, subject to
10 *the following conditions:
11 *
12 *The above copyright notice and this permission notice shall be
13 *included in all copies or substantial portions of the Software.
14 *
15 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
19 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
20 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 *Except as contained in this notice, the name of Harold L Hunt II
24 *shall not be used in advertising or otherwise to promote the sale, use
25 *or other dealings in this Software without prior written authorization
26 *from Harold L Hunt II.
27 *
28 * Authors:	Harold L Hunt II
29 */
30
31#ifdef HAVE_XWIN_CONFIG_H
32#include <xwin-config.h>
33#endif
34#include "dixstruct.h"
35#include "winclipboard.h"
36
37
38/*
39 * Local typedefs
40 */
41
42typedef int (*winDispatchProcPtr) (ClientPtr);
43
44int winProcSetSelectionOwner(ClientPtr /* client */);
45
46
47/*
48 * References to external symbols
49 */
50
51extern pthread_t		g_ptClipboardProc;
52extern winDispatchProcPtr	winProcSetSelectionOwnerOrig;
53extern Bool			g_fClipboard;
54extern HWND			g_hwndClipboard;
55
56
57/*
58 * Intialize the Clipboard module
59 */
60
61Bool
62winInitClipboard (void)
63{
64  ErrorF ("winInitClipboard ()\n");
65
66  /* Wrap some internal server functions */
67  if (ProcVector[X_SetSelectionOwner] != winProcSetSelectionOwner)
68    {
69      winProcSetSelectionOwnerOrig = ProcVector[X_SetSelectionOwner];
70      ProcVector[X_SetSelectionOwner] = winProcSetSelectionOwner;
71    }
72
73  /* Spawn a thread for the Clipboard module */
74  if (pthread_create (&g_ptClipboardProc,
75		      NULL,
76		      winClipboardProc,
77		      NULL))
78    {
79      /* Bail if thread creation failed */
80      ErrorF ("winInitClipboard - pthread_create failed.\n");
81      return FALSE;
82    }
83
84  return TRUE;
85}
86
87
88/*
89 * Create the Windows window that we use to recieve Windows messages
90 */
91
92HWND
93winClipboardCreateMessagingWindow (void)
94{
95  WNDCLASSEX			wc;
96  HWND				hwnd;
97
98  /* Setup our window class */
99  wc.cbSize=sizeof(WNDCLASSEX);
100  wc.style = CS_HREDRAW | CS_VREDRAW;
101  wc.lpfnWndProc = winClipboardWindowProc;
102  wc.cbClsExtra = 0;
103  wc.cbWndExtra = 0;
104  wc.hInstance = GetModuleHandle (NULL);
105  wc.hIcon = 0;
106  wc.hCursor = 0;
107  wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
108  wc.lpszMenuName = NULL;
109  wc.lpszClassName = WIN_CLIPBOARD_WINDOW_CLASS;
110  wc.hIconSm = 0;
111  RegisterClassEx (&wc);
112
113  /* Create the window */
114  hwnd = CreateWindowExA (0,			/* Extended styles */
115			  WIN_CLIPBOARD_WINDOW_CLASS,/* Class name */
116			  WIN_CLIPBOARD_WINDOW_TITLE,/* Window name */
117			  WS_OVERLAPPED,	/* Not visible anyway */
118			  CW_USEDEFAULT,	/* Horizontal position */
119			  CW_USEDEFAULT,	/* Vertical position */
120			  CW_USEDEFAULT,	/* Right edge */
121			  CW_USEDEFAULT,	/* Bottom edge */
122			  (HWND) NULL,		/* No parent or owner window */
123			  (HMENU) NULL,		/* No menu */
124			  GetModuleHandle (NULL),/* Instance handle */
125			  NULL);		/* Creation data */
126  assert (hwnd != NULL);
127
128  /* I'm not sure, but we may need to call this to start message processing */
129  ShowWindow (hwnd, SW_HIDE);
130
131  /* Similarly, we may need a call to this even though we don't paint */
132  UpdateWindow (hwnd);
133
134  return hwnd;
135}
136
137void
138winFixClipboardChain (void)
139{
140   if (g_fClipboard
141       && g_hwndClipboard)
142     {
143       PostMessage (g_hwndClipboard, WM_WM_REINIT, 0, 0);
144     }
145}
146