| 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 | * Local typedefs |
| 39 | */ |
| 40 | |
| 41 | typedef int (*winDispatchProcPtr) (ClientPtr); |
| 42 | |
| 43 | int winProcSetSelectionOwner(ClientPtr /* client */ ); |
| 44 | |
| 45 | /* |
| 46 | * References to external symbols |
| 47 | */ |
| 48 | |
| 49 | extern pthread_t g_ptClipboardProc; |
| 50 | extern winDispatchProcPtr winProcSetSelectionOwnerOrig; |
| 51 | extern Bool g_fClipboard; |
| 52 | extern HWND g_hwndClipboard; |
| 53 | |
| 54 | /* |
| 55 | * Intialize the Clipboard module |
| 56 | */ |
| 57 | |
| 58 | Bool |
| 59 | winInitClipboard(void) |
| 60 | { |
| 61 | winDebug("winInitClipboard ()\n"); |
| 62 | |
| 63 | /* Wrap some internal server functions */ |
| 64 | if (ProcVector[X_SetSelectionOwner] != winProcSetSelectionOwner) { |
| 65 | winProcSetSelectionOwnerOrig = ProcVector[X_SetSelectionOwner]; |
| 66 | ProcVector[X_SetSelectionOwner] = winProcSetSelectionOwner; |
| 67 | } |
| 68 | |
| 69 | /* Spawn a thread for the Clipboard module */ |
| 70 | if (pthread_create(&g_ptClipboardProc, NULL, winClipboardProc, NULL)) { |
| 71 | /* Bail if thread creation failed */ |
| 72 | ErrorF("winInitClipboard - pthread_create failed.\n"); |
| 73 | return FALSE; |
| 74 | } |
| 75 | |
| 76 | return TRUE; |
| 77 | } |
| 78 | |
| 79 | /* |
| 80 | * Create the Windows window that we use to recieve Windows messages |
| 81 | */ |
| 82 | |
| 83 | HWND |
| 84 | winClipboardCreateMessagingWindow(void) |
| 85 | { |
| 86 | WNDCLASSEX wc; |
| 87 | HWND hwnd; |
| 88 | |
| 89 | /* Setup our window class */ |
| 90 | wc.cbSize = sizeof(WNDCLASSEX); |
| 91 | wc.style = CS_HREDRAW | CS_VREDRAW; |
| 92 | wc.lpfnWndProc = winClipboardWindowProc; |
| 93 | wc.cbClsExtra = 0; |
| 94 | wc.cbWndExtra = 0; |
| 95 | wc.hInstance = GetModuleHandle(NULL); |
| 96 | wc.hIcon = 0; |
| 97 | wc.hCursor = 0; |
| 98 | wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH); |
| 99 | wc.lpszMenuName = NULL; |
| 100 | wc.lpszClassName = WIN_CLIPBOARD_WINDOW_CLASS; |
| 101 | wc.hIconSm = 0; |
| 102 | RegisterClassEx(&wc); |
| 103 | |
| 104 | /* Create the window */ |
| 105 | hwnd = CreateWindowExA(0, /* Extended styles */ |
| 106 | WIN_CLIPBOARD_WINDOW_CLASS, /* Class name */ |
| 107 | WIN_CLIPBOARD_WINDOW_TITLE, /* Window name */ |
| 108 | WS_OVERLAPPED, /* Not visible anyway */ |
| 109 | CW_USEDEFAULT, /* Horizontal position */ |
| 110 | CW_USEDEFAULT, /* Vertical position */ |
| 111 | CW_USEDEFAULT, /* Right edge */ |
| 112 | CW_USEDEFAULT, /* Bottom edge */ |
| 113 | (HWND) NULL, /* No parent or owner window */ |
| 114 | (HMENU) NULL, /* No menu */ |
| 115 | GetModuleHandle(NULL), /* Instance handle */ |
| 116 | NULL); /* Creation data */ |
| 117 | assert(hwnd != NULL); |
| 118 | |
| 119 | /* I'm not sure, but we may need to call this to start message processing */ |
| 120 | ShowWindow(hwnd, SW_HIDE); |
| 121 | |
| 122 | /* Similarly, we may need a call to this even though we don't paint */ |
| 123 | UpdateWindow(hwnd); |
| 124 | |
| 125 | return hwnd; |
| 126 | } |
| 127 | |
| 128 | void |
| 129 | winFixClipboardChain(void) |
| 130 | { |
| 131 | if (g_fClipboard && g_hwndClipboard) { |
| 132 | PostMessage(g_hwndClipboard, WM_WM_REINIT, 0, 0); |
| 133 | } |
| 134 | } |