353 lines
9.2 KiB
C
353 lines
9.2 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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*/
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static char Copyright[] = "Copyright Martin Ayotte, 1994";
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/*
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#define DEBUG_CLIPBOARD
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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 "prototypes.h"
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#include "heap.h"
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#include "win.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;
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typedef CLIPFORMAT FAR* 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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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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#ifdef DEBUG_CLIPBOARD
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printf("OpenClipboard(%04X); !\n", hWnd);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("CloseClipboard(); !\n");
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("EmptyClipboard(); !\n");
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#endif
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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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GlobalFree(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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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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#ifdef DEBUG_CLIPBOARD
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printf("GetClipboardOwner() = %04X !\n", hWndClipboardOwner);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("SetClipboardDate(%04X, %04X) !\n", wFormat, hData);
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#endif
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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->hData != 0) GlobalFree(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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#ifdef DEBUG_CLIPBOARD
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printf("GetClipboardData(%04X) !\n", wFormat);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("CountClipboardFormats // Find Not Empty (%04X) !\n",
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lpFormat->hData);
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#endif
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FormatCount++;
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}
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lpFormat = lpFormat->NextFormat;
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}
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#ifdef DEBUG_CLIPBOARD
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printf("CountClipboardFormats() = %d !\n", FormatCount);
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#endif
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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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WORD EnumClipboardFormats(WORD wFormat)
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{
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LPCLIPFORMAT lpFormat = ClipFormats;
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#ifdef DEBUG_CLIPBOARD
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printf("EnumClipboardFormats(%04X) !\n", wFormat);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("EnumClipboardFormats // Find Last (%04X) !\n",
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lpFormat->wFormatID);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("EnumClipboardFormats // Find Not Empty Id=%04X hData=%04X !\n",
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lpFormat->wFormatID, lpFormat->hData);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("RegisterClipboardFormat('%s') !\n", FormatName);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("GetClipboardFormat(%04X, %08X, %d) !\n", wFormat, retStr, maxlen);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("GetClipboardFormat // Name='%s' !\n", lpFormat->Name);
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#endif
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maxlen = min(maxlen - 1, strlen(lpFormat->Name));
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printf("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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#ifdef DEBUG_CLIPBOARD
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printf("SetClipboardFormat(%04X) !\n", hWnd);
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#endif
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hWndViewer = hWnd;
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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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#ifdef DEBUG_CLIPBOARD
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printf("GetClipboardFormat() = %04X !\n", hWndViewer);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("ChangeClipboardChain(%04X, %04X) !\n", hWnd, hWndNext);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("IsClipboardFormatAvailable(%04X) !\n", wFormat);
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#endif
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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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#ifdef DEBUG_CLIPBOARD
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printf("GetOpenClipboardWindow() = %04X !\n", hWndClipboardOwner);
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#endif
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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 FAR *lpPriorityList, short nCount)
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{
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#ifdef DEBUG_CLIPBOARD
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printf("GetPriorityClipboardFormat(%08X, %d) !\n", lpPriorityList, nCount);
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#endif
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}
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