Ported to SDL2

2 files changed, 16 insertions, 304 deletions

diff --git a/src/utils/copynpaste.cpp b/src/utils/copynpaste.cpp
index 2bb8fb49..ccb36d79 100644
--- a/src/utils/copynpaste.cpp
+++ b/src/utils/copynpaste.cpp
@@ -1,7 +1,6 @@
 /*
- *  Retrieve string pasted depending on OS mechanisms.
- *  Copyright (C) 2001-2010  Wormux Team
- *  Copyright (C) 2010-2012  The Mana Developers
+ *  Clipboard Interaction.
+ *  Copyright (C) 2010-2024  The Mana Developers
  *
  *  This file is part of The Mana Client.
  *
@@ -19,301 +18,18 @@
  *  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);
+#include "utils/copynpaste.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__)
+#include <SDL.h>
 
-#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 )
+bool insertFromClipboard(std::string &text, std::string::size_type &pos)
 {
-    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;
-    }
-  }
-  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;
+    char *buf = SDL_GetClipboardText();
+    const size_t len = strlen(buf);
+    if (len > 0) {
+        text.insert(pos, buf);
+        pos += len;
+    }
+    SDL_free(buf);
+    return len > 0;
 }
-#else
-bool RetrieveBuffer(std::string&, std::string::size_type&) { return false; }
-#endif
diff --git a/src/utils/copynpaste.h b/src/utils/copynpaste.h
index c2430e1c..b6aa0de0 100644
--- a/src/utils/copynpaste.h
+++ b/src/utils/copynpaste.h
@@ -1,7 +1,6 @@
 /*
- *  Retrieve string pasted depending on OS mechanisms.
- *  Copyright (C) 2001-2010  Wormux Team
- *  Copyright (C) 2010-2012  The Mana Developers
+ *  Clipboard Interaction.
+ *  Copyright (C) 2010-2024  The Mana Developers
  *
  *  This file is part of The Mana Client.
  *
@@ -25,10 +24,7 @@
  * Attempts to retrieve text from the clipboard buffer and inserts it in
  * \a text at position \pos. The characters are encoded in utf-8.
  *
- * Implemented for Windows, X11 and Mac OS X.
- *
  * @return <code>true</code> when successful or <code>false</code> when there
  *         was a problem retrieving the clipboard buffer.
  */
-bool RetrieveBuffer(std::string& text, std::string::size_type& pos);
-
+bool insertFromClipboard(std::string &text, std::string::size_type &pos);