summaryrefslogtreecommitdiff
path: root/hw/xwin/winclipboardinit.c
blob: 2657c18730a9e6ad0c9eb52a14c66b9cd2c6fe60 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*
 *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of Harold L Hunt II
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from Harold L Hunt II.
 *
 * Authors:	Harold L Hunt II
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "dixstruct.h"
#include "winclipboard.h"

/*
 * Local typedefs
 */

typedef int (*winDispatchProcPtr) (ClientPtr);

int winProcSetSelectionOwner(ClientPtr /* client */);

/*
 * References to external symbols
 */

extern pthread_t		g_ptClipboardProc;
extern winDispatchProcPtr	winProcSetSelectionOwnerOrig;
extern Bool			g_fClipboard;
extern HWND			g_hwndClipboard;

/*
 * Intialize the Clipboard module
 */

Bool
winInitClipboard (void)
{
  winDebug ("winInitClipboard ()\n");

  /* Wrap some internal server functions */
    if (ProcVector[X_SetSelectionOwner] != winProcSetSelectionOwner) {
      winProcSetSelectionOwnerOrig = ProcVector[X_SetSelectionOwner];
      ProcVector[X_SetSelectionOwner] = winProcSetSelectionOwner;
    }
  
  /* Spawn a thread for the Clipboard module */
    if (pthread_create(&g_ptClipboardProc, NULL, winClipboardProc, NULL)) {
      /* Bail if thread creation failed */
      ErrorF ("winInitClipboard - pthread_create failed.\n");
      return FALSE;
    }

  return TRUE;
}

/*
 * Create the Windows window that we use to recieve Windows messages
 */

HWND
winClipboardCreateMessagingWindow (void)
{
  WNDCLASSEX			wc;
  HWND				hwnd;

  /* Setup our window class */
  wc.cbSize=sizeof(WNDCLASSEX);
  wc.style = CS_HREDRAW | CS_VREDRAW;
  wc.lpfnWndProc = winClipboardWindowProc;
  wc.cbClsExtra = 0;
  wc.cbWndExtra = 0;
  wc.hInstance = GetModuleHandle (NULL);
  wc.hIcon = 0;
  wc.hCursor = 0;
  wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
  wc.lpszMenuName = NULL;
  wc.lpszClassName = WIN_CLIPBOARD_WINDOW_CLASS;
  wc.hIconSm = 0;
  RegisterClassEx (&wc);

  /* Create the window */
  hwnd = CreateWindowExA (0,			/* Extended styles */
			  WIN_CLIPBOARD_WINDOW_CLASS,/* Class name */
			  WIN_CLIPBOARD_WINDOW_TITLE,/* Window name */
			  WS_OVERLAPPED,	/* Not visible anyway */
			  CW_USEDEFAULT,	/* Horizontal position */
			  CW_USEDEFAULT,	/* Vertical position */
			  CW_USEDEFAULT,	/* Right edge */
			  CW_USEDEFAULT,	/* Bottom edge */
			  (HWND) NULL,		/* No parent or owner window */
			  (HMENU) NULL,		/* No menu */
			  GetModuleHandle (NULL),/* Instance handle */
			  NULL);		/* Creation data */
  assert (hwnd != NULL);

  /* I'm not sure, but we may need to call this to start message processing */
  ShowWindow (hwnd, SW_HIDE);

  /* Similarly, we may need a call to this even though we don't paint */
  UpdateWindow (hwnd);

  return hwnd;
}

void
winFixClipboardChain (void)
{
    if (g_fClipboard && g_hwndClipboard) {
       PostMessage (g_hwndClipboard, WM_WM_REINIT, 0, 0);
     }
}