410 lines
12 KiB
C
410 lines
12 KiB
C
/*
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* 'Wine' Clipboard function handling
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*
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* Copyright 1994 Martin Ayotte
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static char Copyright[] = "Copyright Martin Ayotte, 1994";
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include "win.h"
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#include "message.h"
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#include "clipboard.h"
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#include "stddebug.h"
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#include "debug.h"
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typedef struct tagCLIPFORMAT {
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WORD wFormatID;
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WORD wRefCount;
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LPSTR Name;
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HANDLE hData;
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DWORD BufSize;
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void *PrevFormat;
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void *NextFormat;
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} CLIPFORMAT, *LPCLIPFORMAT;
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static HWND hWndClipboardOwner = 0;
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static HWND hWndViewer = 0;
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static WORD LastRegFormat = 0xC000;
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static Bool wait_for_selection = False;
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static Bool wineOwnsSelection = False;
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CLIPFORMAT ClipFormats[12] = {
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{ CF_TEXT, 1, "Text", (HANDLE)NULL, 0, NULL, &ClipFormats[1] },
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{ CF_BITMAP, 1, "Bitmap", (HANDLE)NULL, 0, &ClipFormats[0], &ClipFormats[2] },
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{ CF_METAFILEPICT, 1, "MetaFile Picture", (HANDLE)NULL, 0, &ClipFormats[1], &ClipFormats[3] },
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{ CF_SYLK, 1, "Sylk", (HANDLE)NULL, 0, &ClipFormats[2], &ClipFormats[4] },
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{ CF_DIF, 1, "DIF", (HANDLE)NULL, 0, &ClipFormats[3], &ClipFormats[5] },
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{ CF_TIFF, 1, "TIFF", (HANDLE)NULL, 0, &ClipFormats[4], &ClipFormats[6] },
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{ CF_OEMTEXT, 1, "OEM Text", (HANDLE)NULL, 0, &ClipFormats[5], &ClipFormats[7] },
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{ CF_DIB, 1, "DIB", (HANDLE)NULL, 0, &ClipFormats[6], &ClipFormats[8] },
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{ CF_PALETTE, 1, "Palette", (HANDLE)NULL, 0, &ClipFormats[7], &ClipFormats[9] },
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{ CF_PENDATA, 1, "PenData", (HANDLE)NULL, 0, &ClipFormats[8], &ClipFormats[10] },
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{ CF_RIFF, 1, "RIFF", (HANDLE)NULL, 0, &ClipFormats[9], &ClipFormats[11] },
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{ CF_WAVE, 1, "Wave", (HANDLE)NULL, 0, &ClipFormats[10], NULL }
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};
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/**************************************************************************
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* OpenClipboard [USER.137]
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*/
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BOOL OpenClipboard(HWND hWnd)
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{
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if (hWndClipboardOwner != 0) return FALSE;
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hWndClipboardOwner = hWnd;
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dprintf_clipboard(stddeb,"OpenClipboard(%04x); !\n", hWnd);
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return TRUE;
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}
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/**************************************************************************
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* CloseClipboard [USER.138]
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*/
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BOOL CloseClipboard()
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{
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if (hWndClipboardOwner == 0) return FALSE;
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hWndClipboardOwner = 0;
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dprintf_clipboard(stddeb,"CloseClipboard(); !\n");
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return TRUE;
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}
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/**************************************************************************
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* EmptyClipboard [USER.139]
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*/
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BOOL EmptyClipboard()
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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if (hWndClipboardOwner == 0) return FALSE;
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dprintf_clipboard(stddeb,"EmptyClipboard(); !\n");
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while(TRUE) {
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if (lpFormat == NULL) break;
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if (lpFormat->hData != 0) {
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GlobalFree16(lpFormat->hData);
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lpFormat->hData = 0;
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}
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lpFormat = lpFormat->NextFormat;
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}
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if(wineOwnsSelection){
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dprintf_clipboard(stddeb,"Losing selection\n");
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wineOwnsSelection=False;
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XSetSelectionOwner(display,XA_PRIMARY,None,CurrentTime);
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}
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return TRUE;
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}
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/**************************************************************************
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* GetClipboardOwner [USER.140]
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*/
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HWND GetClipboardOwner()
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{
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dprintf_clipboard(stddeb,
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"GetClipboardOwner() = %04x !\n", hWndClipboardOwner);
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return hWndClipboardOwner;
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}
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/**************************************************************************
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* SetClipboardData [USER.141]
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*/
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HANDLE SetClipboardData(WORD wFormat, HANDLE hData)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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dprintf_clipboard(stddeb,
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"SetClipboardDate(%04X, %04x) !\n", wFormat, hData);
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while(TRUE) {
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if (lpFormat == NULL) return 0;
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if (lpFormat->wFormatID == wFormat) break;
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lpFormat = lpFormat->NextFormat;
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}
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/* doc says we shouldn't use CurrentTime */
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/* should we become owner of CLIPBOARD as well? */
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XSetSelectionOwner(display,XA_PRIMARY,WIN_GetXWindow(hWndClipboardOwner),CurrentTime);
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wineOwnsSelection = True;
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dprintf_clipboard(stddeb,"Getting selection\n");
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if (lpFormat->hData != 0) GlobalFree16(lpFormat->hData);
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lpFormat->hData = hData;
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return lpFormat->hData;
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}
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/**************************************************************************
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* GetClipboardData [USER.142]
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*/
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HANDLE GetClipboardData(WORD wFormat)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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dprintf_clipboard(stddeb,"GetClipboardData(%04X) !\n", wFormat);
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if (!hWndClipboardOwner) return 0;
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if(wFormat == CF_TEXT && !wineOwnsSelection)
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{ wait_for_selection=True;
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dprintf_clipboard(stddeb,"Requesting selection\n");
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XConvertSelection(display,XA_PRIMARY,XA_STRING,
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XInternAtom(display,"PRIMARY_TEXT",False),
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WIN_GetXWindow(hWndClipboardOwner),CurrentTime);
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/* TODO: need time-out for broken clients */
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while(wait_for_selection) EVENT_WaitXEvent(-1);
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}
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while(TRUE) {
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if (lpFormat == NULL) return 0;
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if (lpFormat->wFormatID == wFormat) break;
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lpFormat = lpFormat->NextFormat;
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}
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return lpFormat->hData;
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}
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/**************************************************************************
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* CountClipboardFormats [USER.143]
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*/
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INT CountClipboardFormats()
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{
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int FormatCount = 0;
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LPCLIPFORMAT lpFormat = ClipFormats;
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while(TRUE) {
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if (lpFormat == NULL) break;
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if (lpFormat->hData != 0) {
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dprintf_clipboard(stddeb,
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"CountClipboardFormats // Find Not Empty (%04x) !\n",
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lpFormat->hData);
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FormatCount++;
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}
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lpFormat = lpFormat->NextFormat;
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}
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dprintf_clipboard(stddeb,"CountClipboardFormats() = %d !\n", FormatCount);
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return FormatCount;
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}
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/**************************************************************************
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* EnumClipboardFormats [USER.144]
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*/
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UINT EnumClipboardFormats(UINT wFormat)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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dprintf_clipboard(stddeb,"EnumClipboardFormats(%04X) !\n", wFormat);
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if (wFormat == 0) {
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if (lpFormat->hData != 0)
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return lpFormat->wFormatID;
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else
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wFormat = lpFormat->wFormatID;
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}
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while(TRUE) {
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if (lpFormat == NULL) return 0;
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if (lpFormat->wFormatID == wFormat) break;
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lpFormat = lpFormat->NextFormat;
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}
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dprintf_clipboard(stddeb,"EnumClipboardFormats // Find Last (%04X) !\n",
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lpFormat->wFormatID);
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lpFormat = lpFormat->NextFormat;
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while(TRUE) {
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if (lpFormat == NULL) return 0;
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if (lpFormat->hData != 0) break;
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lpFormat = lpFormat->NextFormat;
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}
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dprintf_clipboard(stddeb,
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"EnumClipboardFormats // Find Not Empty Id=%04X hData=%04x !\n",
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lpFormat->wFormatID, lpFormat->hData);
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return lpFormat->wFormatID;
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}
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/**************************************************************************
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* RegisterClipboardFormat [USER.145]
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*/
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WORD RegisterClipboardFormat(LPCSTR FormatName)
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{
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LPCLIPFORMAT lpNewFormat;
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LPCLIPFORMAT lpFormat = ClipFormats;
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if (FormatName == NULL) return 0;
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while(TRUE) {
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if (lpFormat->NextFormat == NULL) break;
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lpFormat = lpFormat->NextFormat;
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}
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lpNewFormat = (LPCLIPFORMAT)malloc(sizeof(CLIPFORMAT));
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if (lpNewFormat == NULL) return 0;
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lpFormat->NextFormat = lpNewFormat;
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dprintf_clipboard(stddeb,"RegisterClipboardFormat('%s') !\n", FormatName);
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lpNewFormat->wFormatID = LastRegFormat;
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lpNewFormat->wRefCount = 1;
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lpNewFormat->Name = (LPSTR)malloc(strlen(FormatName) + 1);
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if (lpNewFormat->Name == NULL) {
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free(lpNewFormat);
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return 0;
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}
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strcpy(lpNewFormat->Name, FormatName);
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lpNewFormat->hData = 0;
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lpNewFormat->BufSize = 0;
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lpNewFormat->PrevFormat = lpFormat;
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lpNewFormat->NextFormat = NULL;
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return LastRegFormat++;
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}
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/**************************************************************************
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* GetClipboardFormatName [USER.146]
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*/
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int GetClipboardFormatName(WORD wFormat, LPSTR retStr, short maxlen)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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dprintf_clipboard(stddeb,
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"GetClipboardFormat(%04X, %p, %d) !\n", wFormat, retStr, maxlen);
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while(TRUE) {
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if (lpFormat == NULL) return 0;
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if (lpFormat->wFormatID == wFormat) break;
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lpFormat = lpFormat->NextFormat;
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}
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if (lpFormat->Name == NULL) return 0;
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dprintf_clipboard(stddeb,
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"GetClipboardFormat // Name='%s' !\n", lpFormat->Name);
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maxlen = MIN(maxlen - 1, strlen(lpFormat->Name));
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dprintf_clipboard(stddeb,"GetClipboardFormat // maxlen=%d !\n", maxlen);
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memcpy(retStr, lpFormat->Name, maxlen);
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retStr[maxlen] = 0;
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return maxlen;
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}
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/**************************************************************************
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* SetClipboardViewer [USER.147]
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*/
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HWND SetClipboardViewer(HWND hWnd)
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{
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HWND hwndPrev = hWndViewer;
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dprintf_clipboard(stddeb,"SetClipboardViewer(%04x) !\n", hWnd);
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hWndViewer = hWnd;
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return hwndPrev;
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}
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/**************************************************************************
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* GetClipboardViewer [USER.148]
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*/
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HWND GetClipboardViewer()
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{
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dprintf_clipboard(stddeb,"GetClipboardFormat() = %04x !\n", hWndViewer);
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return hWndViewer;
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}
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/**************************************************************************
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* ChangeClipboardChain [USER.149]
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*/
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BOOL ChangeClipboardChain(HWND hWnd, HWND hWndNext)
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{
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dprintf_clipboard(stdnimp,
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"ChangeClipboardChain(%04x, %04x) !\n", hWnd, hWndNext);
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return 0;
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}
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/**************************************************************************
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* IsClipboardFormatAvailable [USER.193]
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*/
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BOOL IsClipboardFormatAvailable(WORD wFormat)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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dprintf_clipboard(stddeb,"IsClipboardFormatAvailable(%04X) !\n", wFormat);
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if(wFormat == CF_TEXT && !wineOwnsSelection) /* obtain selection as text if possible */
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return GetClipboardData(CF_TEXT)!=0;
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while(TRUE) {
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if (lpFormat == NULL) return FALSE;
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if (lpFormat->wFormatID == wFormat) break;
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lpFormat = lpFormat->NextFormat;
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}
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return (lpFormat->hData != 0);
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}
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/**************************************************************************
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* GetOpenClipboardWindow [USER.248]
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*/
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HWND GetOpenClipboardWindow()
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{
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dprintf_clipboard(stddeb,
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"GetOpenClipboardWindow() = %04x !\n", hWndClipboardOwner);
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return hWndClipboardOwner;
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}
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/**************************************************************************
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* GetPriorityClipboardFormat [USER.402]
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*/
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int GetPriorityClipboardFormat(WORD *lpPriorityList, short nCount)
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{
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dprintf_clipboard(stdnimp,
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"GetPriorityClipboardFormat(%p, %d) !\n", lpPriorityList, nCount);
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return 0;
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}
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/**************************************************************************
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* CLIPBOARD_ReadSelection
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*
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* The current selection owner has set prop at our window w
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* Transfer the property contents into the Clipboard
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*/
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void CLIPBOARD_ReadSelection(Window w,Atom prop)
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{
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HANDLE hText;
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LPCLIPFORMAT lpFormat = ClipFormats;
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if(prop==None)
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hText=0;
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else{
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Atom atype=None;
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int aformat;
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unsigned long nitems,remain;
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unsigned char *val=NULL;
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dprintf_clipboard(stddeb,"Received prop %s\n",XGetAtomName(display,prop));
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/* TODO: Properties longer than 64K */
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if(XGetWindowProperty(display,w,prop,0,0x3FFF,True,XA_STRING,
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&atype, &aformat, &nitems, &remain, &val)!=Success)
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printf("couldn't read property\n");
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dprintf_clipboard(stddeb,"Type %s,Format %d,nitems %ld,value %s\n",
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XGetAtomName(display,atype),aformat,nitems,val);
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if(atype!=XA_STRING || aformat!=8){
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fprintf(stderr,"Property not set\n");
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hText=0;
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} else {
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dprintf_clipboard(stddeb,"Selection is %s\n",val);
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hText=GlobalAlloc16(GMEM_MOVEABLE, nitems+1);
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memcpy(GlobalLock16(hText),val,nitems+1);
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GlobalUnlock16(hText);
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}
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XFree(val);
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}
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while(TRUE) {
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if (lpFormat == NULL) return;
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if (lpFormat->wFormatID == CF_TEXT) break;
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lpFormat = lpFormat->NextFormat;
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}
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if (lpFormat->hData != 0) GlobalFree16(lpFormat->hData);
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wait_for_selection=False;
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lpFormat->hData = hText;
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dprintf_clipboard(stddeb,"Received selection\n");
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}
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/**************************************************************************
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* CLIPBOARD_ReleaseSelection
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*
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* Wine lost the primary selection.
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* Empty the clipboard, but don't set the current owner to None.
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* Make sure current get/put attempts fail.
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*/
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void CLIPBOARD_ReleaseSelection(HWND hwnd)
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{
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wineOwnsSelection=False;
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OpenClipboard(hwnd);
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EmptyClipboard();
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CloseClipboard();
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}
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