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-rw-r--r--src/utils/copynpaste.cpp324
1 files changed, 324 insertions, 0 deletions
diff --git a/src/utils/copynpaste.cpp b/src/utils/copynpaste.cpp
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+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * 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 <SDL_syswm.h>
+#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 <Carbon/Carbon.h>
+
+// 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+1];
+
+ 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;
+
+ ret = XGetWindowProperty(dpy, us, e.xselection.property, 0, 0, False,
+ AnyPropertyType, &type, &format, &len, &left,
+ &data);
+ if (left < 1)
+ {
+ if (ret == Success)
+ XFree(data);
+ 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;
+ }
+ }
+ 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 true;
+ }
+ }
+ return false;
+}
+#else
+bool RetrieveBuffer(std::string&, std::string::size_type&) { return false; }
+#endif