From d1f7e4f5090ac61142415edaa51f2af86aecc188 Mon Sep 17 00:00:00 2001 From: Thorbjørn Lindeijer Date: Thu, 25 Feb 2010 22:28:13 +0100 Subject: Added paste facility from the Wormux project With CMakeLists.txt adaptions from the Aethyra project. Reviewed-by: Bernd Wachter Reviewed-by: Jared Adams --- src/utils/copynpaste.cpp | 317 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 317 insertions(+) create mode 100644 src/utils/copynpaste.cpp (limited to 'src/utils/copynpaste.cpp') diff --git a/src/utils/copynpaste.cpp b/src/utils/copynpaste.cpp new file mode 100644 index 00000000..9292fb0b --- /dev/null +++ b/src/utils/copynpaste.cpp @@ -0,0 +1,317 @@ +/* + * Retrieve string pasted depending on OS mechanisms. + * Copyright (C) 2001-2010 Wormux Team + * + * This file is part of The Mana Client. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/* + * IMPORTANT! + * + * This code was taken from Wormux svn trunk at Feb 25 2010. Please don't + * make any unnecessary modifications, and try to sync up modifications + * when possible. + */ + +#ifdef _MSC_VER +# include "msvc/config.h" +#elif defined(HAVE_CONFIG_H) +# include "config.h" +#endif + +#include +#include "copynpaste.h" + +#ifdef WIN32 +bool RetrieveBuffer(std::string& text, std::string::size_type& pos) +{ + bool ret = false; + + if (!OpenClipboard(NULL)) + return false; + + HANDLE h = GetClipboardData(CF_UNICODETEXT); + if (h) + { + LPCWSTR data = (LPCWSTR)GlobalLock(h); + + if (data) + { + int len = WideCharToMultiByte(CP_UTF8, 0, data, -1, NULL, 0, NULL, NULL); + if (len > 0) + { + // Convert from UTF-16 to UTF-8 + void *temp = malloc(len); + if (WideCharToMultiByte(CP_UTF8, 0, data, -1, (LPSTR)temp, len, NULL, NULL)) + { + text.insert(pos, (char*)temp); + pos += len-1; + } + free(temp); + ret = true; + } + } + GlobalUnlock(h); + } + else + { + h = GetClipboardData(CF_TEXT); + + if (h) + { + const char *data = (char*)GlobalLock(h); + if (data) + { + text.insert(pos, data); + pos += strlen(data); + ret = true; + } + GlobalUnlock(h); + } + } + + CloseClipboard(); + return ret; +} +#elif defined(__APPLE__) + +#ifdef Status +#undef Status +#endif + +#include + +// Sorry for the very long code, all nicer OS X APIs are coded in Objective C and not C! +// Also it does very thorough error handling +bool GetDataFromPasteboard( PasteboardRef inPasteboard, char* flavorText /* out */, const int bufSize ) +{ + OSStatus err = noErr; + PasteboardSyncFlags syncFlags; + ItemCount itemCount; + + syncFlags = PasteboardSynchronize( inPasteboard ); + + //require_action( syncFlags & kPasteboardModified, PasteboardOutOfSync, + // err = badPasteboardSyncErr ); + + err = PasteboardGetItemCount( inPasteboard, &itemCount ); + require_noerr( err, CantGetPasteboardItemCount ); + + for (UInt32 itemIndex = 1; itemIndex <= itemCount; itemIndex++) + { + PasteboardItemID itemID; + CFArrayRef flavorTypeArray; + CFIndex flavorCount; + + err = PasteboardGetItemIdentifier( inPasteboard, itemIndex, &itemID ); + require_noerr( err, CantGetPasteboardItemIdentifier ); + + err = PasteboardCopyItemFlavors( inPasteboard, itemID, &flavorTypeArray ); + require_noerr( err, CantCopyPasteboardItemFlavors ); + + flavorCount = CFArrayGetCount( flavorTypeArray ); + + for (CFIndex flavorIndex = 0; flavorIndex < flavorCount; flavorIndex++) + { + CFStringRef flavorType; + CFDataRef flavorData; + CFIndex flavorDataSize; + flavorType = (CFStringRef)CFArrayGetValueAtIndex(flavorTypeArray, flavorIndex); + + // we're only interested by text... + if (UTTypeConformsTo(flavorType, CFSTR("public.utf8-plain-text"))) + { + err = PasteboardCopyItemFlavorData( inPasteboard, itemID, + flavorType, &flavorData ); + require_noerr( err, CantCopyFlavorData ); + flavorDataSize = CFDataGetLength( flavorData ); + flavorDataSize = (flavorDataSize<254) ? flavorDataSize : 254; + + if (flavorDataSize+2 > bufSize) + { + fprintf(stderr, "Cannot copy clipboard, contents is too big!\n"); + return false; + } + + for (short dataIndex = 0; dataIndex <= flavorDataSize; dataIndex++) + { + char byte = *(CFDataGetBytePtr( flavorData ) + dataIndex); + flavorText[dataIndex] = byte; + } + + flavorText[flavorDataSize] = '\0'; + flavorText[flavorDataSize+1] = '\n'; + + CFRelease (flavorData); + return true; + } + + continue; + CantCopyFlavorData: fprintf(stderr, "Cannot copy clipboard, CantCopyFlavorData!\n"); + } + + CFRelease (flavorTypeArray); + continue; + + CantCopyPasteboardItemFlavors: fprintf(stderr, "Cannot copy clipboard, CantCopyPasteboardItemFlavors!\n"); continue; + CantGetPasteboardItemIdentifier: fprintf(stderr, "Cannot copy clipboard, CantGetPasteboardItemIdentifier!\n"); continue; + } + fprintf(stderr, "Cannot copy clipboard, found no acceptable flavour!\n"); + return false; + + CantGetPasteboardItemCount: fprintf(stderr, "Cannot copy clipboard, CantGetPasteboardItemCount!\n"); return false; + //PasteboardOutOfSync: fprintf(stderr, "Cannot copy clipboard, PasteboardOutOfSync!\n"); return false; +} + +bool getClipBoard(char* text /* out */, const int bufSize ) +{ + OSStatus err = noErr; + + PasteboardRef theClipboard; + err = PasteboardCreate( kPasteboardClipboard, &theClipboard ); + require_noerr( err, PasteboardCreateFailed ); + + if (!GetDataFromPasteboard(theClipboard, text, bufSize)) + { + fprintf(stderr, "Cannot copy clipboard, GetDataFromPasteboardFailed!\n"); + return false; + } + + CFRelease(theClipboard); + + return true; + + // ---- error handling + PasteboardCreateFailed: fprintf(stderr, "Cannot copy clipboard, PasteboardCreateFailed!\n"); + CFRelease(theClipboard); + return false; +} + +bool RetrieveBuffer(std::string& text, std::string::size_type& pos) +{ + const int bufSize = 512; + char buffer[bufSize]; + + if (getClipBoard(buffer, bufSize)) + { + text = buffer; + pos += strlen(buffer); + return true; + } + else + { + return false; + } +} + +#elif USE_X11 +static char* getSelection(Display *dpy, Window us, Atom selection) +{ + int max_events = 50; + Window owner = XGetSelectionOwner (dpy, selection); + int ret; + + //printf("XConvertSelection on %s\n", XGetAtomName(dpy, selection)); + if (owner == None) + { + //printf("No owner\n"); + return NULL; + } + XConvertSelection(dpy, selection, XA_STRING, XA_PRIMARY, us, CurrentTime); + XFlush(dpy); + + while (max_events--) + { + XEvent e; + + XNextEvent(dpy, &e); + if(e.type == SelectionNotify) + { + //printf("Received %s\n", XGetAtomName(dpy, e.xselection.selection)); + if(e.xselection.property == None) + { + //printf("Couldn't convert\n"); + return NULL; + } + + long unsigned len, left, dummy; + int format; + Atom type; + unsigned char *data = NULL; + + XGetWindowProperty(dpy, us, e.xselection.property, 0, 0, False, + AnyPropertyType, &type, &format, &len, &left, &data); + if (left < 1) + return NULL; + + ret = XGetWindowProperty(dpy, us, e.xselection.property, 0, left, False, + AnyPropertyType, &type, &format, &len, &dummy, &data); + if (ret != Success) + { + //printf("Failed to get property: %p on %lu\n", data, len); + return NULL; + } + + //printf(">>> Got %s: len=%lu left=%lu (event %i)\n", data, len, left, 50-max_events); + return (char*)data; + } + } + printf("Timeout\n"); + return NULL; +} + +bool RetrieveBuffer(std::string& text, std::string::size_type& pos) +{ + SDL_SysWMinfo info; + + //printf("Retrieving buffer...\n"); + SDL_VERSION(&info.version); + if ( SDL_GetWMInfo(&info) ) + { + Display *dpy = info.info.x11.display; + Window us = info.info.x11.window; + char *data = NULL; + + if (!data) + { + data = getSelection(dpy, us, XA_PRIMARY); + } + if (!data) + { + data = getSelection(dpy, us, XA_SECONDARY); + } + if (!data) + { + Atom XA_CLIPBOARD = XInternAtom(dpy, "CLIPBOARD", 0); + data = getSelection(dpy, us, XA_CLIPBOARD); + } + if (data) + { + // check cursor position + if (pos > text.size()) { + pos = text.size(); + } + + text.insert(pos, data); + pos += strlen(data); + XFree(data); + } + } + return false; +} +#else +bool RetrieveBuffer(std::string&, std::string::size_type&) { return false; } +#endif -- cgit v1.2.3-60-g2f50