/* * 'Wine' Clipboard function handling * * Copyright 1994 Martin Ayotte */ static char Copyright[] = "Copyright Martin Ayotte, 1994"; #include #include #include #include #include #include #include #include "prototypes.h" #include "heap.h" #include "win.h" #include "stddebug.h" /* #define DEBUG_CLIPBOARD /* */ /* #undef DEBUG_CLIPBOARD /* */ #include "debug.h" typedef struct tagCLIPFORMAT { WORD wFormatID; WORD wRefCount; LPSTR Name; HANDLE hData; DWORD BufSize; void *PrevFormat; void *NextFormat; } CLIPFORMAT; typedef CLIPFORMAT FAR* LPCLIPFORMAT; static HWND hWndClipboardOwner = 0; static HWND hWndViewer = 0; static WORD LastRegFormat = 0xC000; CLIPFORMAT ClipFormats[12] = { { CF_TEXT, 1, "Text", (HANDLE)NULL, 0, NULL, &ClipFormats[1] }, { CF_BITMAP, 1, "Bitmap", (HANDLE)NULL, 0, &ClipFormats[0], &ClipFormats[2] }, { CF_METAFILEPICT, 1, "MetaFile Picture", (HANDLE)NULL, 0, &ClipFormats[1], &ClipFormats[3] }, { CF_SYLK, 1, "Sylk", (HANDLE)NULL, 0, &ClipFormats[2], &ClipFormats[4] }, { CF_DIF, 1, "DIF", (HANDLE)NULL, 0, &ClipFormats[3], &ClipFormats[5] }, { CF_TIFF, 1, "TIFF", (HANDLE)NULL, 0, &ClipFormats[4], &ClipFormats[6] }, { CF_OEMTEXT, 1, "OEM Text", (HANDLE)NULL, 0, &ClipFormats[5], &ClipFormats[7] }, { CF_DIB, 1, "DIB", (HANDLE)NULL, 0, &ClipFormats[6], &ClipFormats[8] }, { CF_PALETTE, 1, "Palette", (HANDLE)NULL, 0, &ClipFormats[7], &ClipFormats[9] }, { CF_PENDATA, 1, "PenData", (HANDLE)NULL, 0, &ClipFormats[8], &ClipFormats[10] }, { CF_RIFF, 1, "RIFF", (HANDLE)NULL, 0, &ClipFormats[9], &ClipFormats[11] }, { CF_WAVE, 1, "Wave", (HANDLE)NULL, 0, &ClipFormats[10], NULL } }; /************************************************************************** * OpenClipboard [USER.137] */ BOOL OpenClipboard(HWND hWnd) { if (hWndClipboardOwner != 0) return FALSE; hWndClipboardOwner = hWnd; dprintf_clipboard(stddeb,"OpenClipboard(%04X); !\n", hWnd); return TRUE; } /************************************************************************** * CloseClipboard [USER.138] */ BOOL CloseClipboard() { if (hWndClipboardOwner == 0) return FALSE; hWndClipboardOwner = 0; dprintf_clipboard(stddeb,"CloseClipboard(); !\n"); return TRUE; } /************************************************************************** * EmptyClipboard [USER.139] */ BOOL EmptyClipboard() { LPCLIPFORMAT lpFormat = ClipFormats; if (hWndClipboardOwner == 0) return FALSE; dprintf_clipboard(stddeb,"EmptyClipboard(); !\n"); while(TRUE) { if (lpFormat == NULL) break; if (lpFormat->hData != 0) { GlobalFree(lpFormat->hData); lpFormat->hData = 0; } lpFormat = lpFormat->NextFormat; } return TRUE; } /************************************************************************** * GetClipboardOwner [USER.140] */ HWND GetClipboardOwner() { dprintf_clipboard(stddeb, "GetClipboardOwner() = %04X !\n", hWndClipboardOwner); return hWndClipboardOwner; } /************************************************************************** * SetClipboardData [USER.141] */ HANDLE SetClipboardData(WORD wFormat, HANDLE hData) { LPCLIPFORMAT lpFormat = ClipFormats; dprintf_clipboard(stddeb, "SetClipboardDate(%04X, %04X) !\n", wFormat, hData); while(TRUE) { if (lpFormat == NULL) return 0; if (lpFormat->wFormatID == wFormat) break; lpFormat = lpFormat->NextFormat; } if (lpFormat->hData != 0) GlobalFree(lpFormat->hData); lpFormat->hData = hData; return lpFormat->hData; } /************************************************************************** * GetClipboardData [USER.142] */ HANDLE GetClipboardData(WORD wFormat) { LPCLIPFORMAT lpFormat = ClipFormats; dprintf_clipboard(stddeb,"GetClipboardData(%04X) !\n", wFormat); while(TRUE) { if (lpFormat == NULL) return 0; if (lpFormat->wFormatID == wFormat) break; lpFormat = lpFormat->NextFormat; } return lpFormat->hData; } /************************************************************************** * CountClipboardFormats [USER.143] */ int CountClipboardFormats() { int FormatCount = 0; LPCLIPFORMAT lpFormat = ClipFormats; while(TRUE) { if (lpFormat == NULL) break; if (lpFormat->hData != 0) { dprintf_clipboard(stddeb, "CountClipboardFormats // Find Not Empty (%04X) !\n", lpFormat->hData); FormatCount++; } lpFormat = lpFormat->NextFormat; } dprintf_clipboard(stddeb,"CountClipboardFormats() = %d !\n", FormatCount); return FormatCount; } /************************************************************************** * EnumClipboardFormats [USER.144] */ WORD EnumClipboardFormats(WORD wFormat) { LPCLIPFORMAT lpFormat = ClipFormats; dprintf_clipboard(stddeb,"EnumClipboardFormats(%04X) !\n", wFormat); if (wFormat == 0) { if (lpFormat->hData != 0) return lpFormat->wFormatID; else wFormat = lpFormat->wFormatID; } while(TRUE) { if (lpFormat == NULL) return 0; if (lpFormat->wFormatID == wFormat) break; lpFormat = lpFormat->NextFormat; } dprintf_clipboard(stddeb,"EnumClipboardFormats // Find Last (%04X) !\n", lpFormat->wFormatID); lpFormat = lpFormat->NextFormat; while(TRUE) { if (lpFormat == NULL) return 0; if (lpFormat->hData != 0) break; lpFormat = lpFormat->NextFormat; } dprintf_clipboard(stddeb, "EnumClipboardFormats // Find Not Empty Id=%04X hData=%04X !\n", lpFormat->wFormatID, lpFormat->hData); return lpFormat->wFormatID; } /************************************************************************** * RegisterClipboardFormat [USER.145] */ WORD RegisterClipboardFormat(LPCSTR FormatName) { LPCLIPFORMAT lpNewFormat; LPCLIPFORMAT lpFormat = ClipFormats; if (FormatName == NULL) return 0; while(TRUE) { if (lpFormat->NextFormat == NULL) break; lpFormat = lpFormat->NextFormat; } lpNewFormat = (LPCLIPFORMAT)malloc(sizeof(CLIPFORMAT)); if (lpNewFormat == NULL) return 0; lpFormat->NextFormat = lpNewFormat; dprintf_clipboard(stddeb,"RegisterClipboardFormat('%s') !\n", FormatName); lpNewFormat->wFormatID = LastRegFormat; lpNewFormat->wRefCount = 1; lpNewFormat->Name = (LPSTR)malloc(strlen(FormatName) + 1); if (lpNewFormat->Name == NULL) { free(lpNewFormat); return 0; } strcpy(lpNewFormat->Name, FormatName); lpNewFormat->hData = 0; lpNewFormat->BufSize = 0; lpNewFormat->PrevFormat = lpFormat; lpNewFormat->NextFormat = NULL; return LastRegFormat++; } /************************************************************************** * GetClipboardFormatName [USER.146] */ int GetClipboardFormatName(WORD wFormat, LPSTR retStr, short maxlen) { LPCLIPFORMAT lpFormat = ClipFormats; dprintf_clipboard(stddeb, "GetClipboardFormat(%04X, %08X, %d) !\n", wFormat, retStr, maxlen); while(TRUE) { if (lpFormat == NULL) return 0; if (lpFormat->wFormatID == wFormat) break; lpFormat = lpFormat->NextFormat; } if (lpFormat->Name == NULL) return 0; dprintf_clipboard(stddeb, "GetClipboardFormat // Name='%s' !\n", lpFormat->Name); maxlen = min(maxlen - 1, strlen(lpFormat->Name)); dprintf_clipboard(stddeb,"GetClipboardFormat // maxlen=%d !\n", maxlen); memcpy(retStr, lpFormat->Name, maxlen); retStr[maxlen] = 0; return maxlen; } /************************************************************************** * SetClipboardViewer [USER.147] */ HWND SetClipboardViewer(HWND hWnd) { dprintf_clipboard(stddeb,"SetClipboardFormat(%04X) !\n", hWnd); hWndViewer = hWnd; } /************************************************************************** * GetClipboardViewer [USER.148] */ HWND GetClipboardViewer() { dprintf_clipboard(stddeb,"GetClipboardFormat() = %04X !\n", hWndViewer); return hWndViewer; } /************************************************************************** * ChangeClipboardChain [USER.149] */ BOOL ChangeClipboardChain(HWND hWnd, HWND hWndNext) { dprintf_clipboard(stdnimp, "ChangeClipboardChain(%04X, %04X) !\n", hWnd, hWndNext); } /************************************************************************** * IsClipboardFormatAvailable [USER.193] */ BOOL IsClipboardFormatAvailable(WORD wFormat) { LPCLIPFORMAT lpFormat = ClipFormats; dprintf_clipboard(stddeb,"IsClipboardFormatAvailable(%04X) !\n", wFormat); while(TRUE) { if (lpFormat == NULL) return FALSE; if (lpFormat->wFormatID == wFormat) break; lpFormat = lpFormat->NextFormat; } return (lpFormat->hData != 0); } /************************************************************************** * GetOpenClipboardWindow [USER.248] */ HWND GetOpenClipboardWindow() { dprintf_clipboard(stddeb, "GetOpenClipboardWindow() = %04X !\n", hWndClipboardOwner); return hWndClipboardOwner; } /************************************************************************** * GetPriorityClipboardFormat [USER.402] */ int GetPriorityClipboardFormat(WORD FAR *lpPriorityList, short nCount) { dprintf_clipboard(stdnimp, "GetPriorityClipboardFormat(%08X, %d) !\n", lpPriorityList, nCount); }