X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0616b8382daeca5373484e5a22ec1f322c025c95..6493aacaeb7b22b9fa35c559f7753e9fec0da71f:/src/os2/clipbrd.cpp

diff --git a/src/os2/clipbrd.cpp b/src/os2/clipbrd.cpp
index 56af0a420b..a3691d7e0f 100644
--- a/src/os2/clipbrd.cpp
+++ b/src/os2/clipbrd.cpp
@@ -1,237 +1,614 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        clipbrd.cpp
+// Name:        src/os2/clipbrd.cpp
 // Purpose:     Clipboard functionality
-// Author:      AUTHOR
+// Author:      David Webster
 // Modified by:
-// Created:     ??/??/98
+// Created:     10/13/99
 // RCS-ID:      $Id$
-// Copyright:   (c) AUTHOR
-// Licence:   	wxWindows licence
+// Copyright:   (c) David Webster
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation
-#pragma implementation "clipbrd.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_CLIPBOARD
+
+#ifndef WX_PRECOMP
+    #include "wx/object.h"
+    #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/frame.h"
+    #include "wx/bitmap.h"
+    #include "wx/utils.h"
+    #include "wx/intl.h"
 #endif
 
-#include "wx/app.h"
-#include "wx/frame.h"
-#include "wx/bitmap.h"
-#include "wx/utils.h"
-#include "wx/metafile.h"
+#if wxUSE_METAFILE
+    #include "wx/metafile.h"
+#endif
+
+#include "wx/log.h"
 #include "wx/clipbrd.h"
 
 #include <string.h>
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxClipboardClient, wxObject)
+#include "wx/os2/private.h"
+
+// wxDataObject is tied to OLE/drag and drop implementation,
+// therefore so is wxClipboard :-(
+#if wxUSE_DRAG_AND_DROP
+    #include "wx/dataobj.h"
+
+//    static bool wxSetClipboardData(wxDataObject *data);
 #endif
 
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// old-style clipboard functions using Windows API
+// ---------------------------------------------------------------------------
+
+static bool gs_wxClipboardIsOpen = false;
+
 bool wxOpenClipboard()
 {
-    // TODO
-    return FALSE;
+    wxCHECK_MSG( !gs_wxClipboardIsOpen, true, wxT("clipboard already opened.") );
+// TODO:
+/*
+    wxWindow *win = wxTheApp->GetTopWindow();
+    if ( win )
+    {
+        gs_wxClipboardIsOpen = ::OpenClipboard((HWND)win->GetHWND()) != 0;
+
+        if ( !gs_wxClipboardIsOpen )
+            wxLogSysError(_("Failed to open the clipboard."));
+
+        return gs_wxClipboardIsOpen;
+    }
+    else
+    {
+        wxLogDebug(wxT("Can not open clipboard without a main window."));
+
+        return false;
+    }
+*/
+    return false;
 }
 
 bool wxCloseClipboard()
 {
-    // TODO
-    return FALSE;
+    wxCHECK_MSG( gs_wxClipboardIsOpen, false, wxT("clipboard is not opened") );
+// TODO:
+/*
+    gs_wxClipboardIsOpen = false;
+
+    if ( ::CloseClipboard() == 0 )
+    {
+        wxLogSysError(_("Failed to close the clipboard."));
+
+        return false;
+    }
+*/
+    return true;
 }
 
 bool wxEmptyClipboard()
 {
-    // TODO
-    return FALSE;
+// TODO:
+/*
+    if ( ::EmptyClipboard() == 0 )
+    {
+        wxLogSysError(_("Failed to empty the clipboard."));
+
+        return false;
+    }
+*/
+    return true;
 }
 
-bool wxClipboardOpen()
+bool wxIsClipboardOpened()
 {
-    // TODO
-    return FALSE;
+  return gs_wxClipboardIsOpen;
 }
 
-bool wxIsClipboardFormatAvailable(int dataFormat)
+bool wxIsClipboardFormatAvailable(wxDataFormat WXUNUSED(dataFormat))
 {
-    // TODO
-    return FALSE;
+    // TODO: return ::IsClipboardFormatAvailable(dataFormat) != 0;
+    return false;
 }
 
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
+#if 0
+#if wxUSE_DRAG_AND_DROP
+static bool wxSetClipboardData(wxDataObject *data)
 {
-    // TODO
-    return FALSE;
+    // TODO:
+/*
+    size_t size = data->GetDataSize();
+    HANDLE hGlobal = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size);
+    if ( !hGlobal )
+    {
+        wxLogSysError(_("Failed to allocate %dKb of memory for clipboard "
+                        "transfer."), size / 1024);
+
+        return false;
+    }
+
+    LPVOID lpGlobalMemory = ::GlobalLock(hGlobal);
+
+    data->GetDataHere(lpGlobalMemory);
+
+    GlobalUnlock(hGlobal);
+
+    wxDataFormat format = data->GetPreferredFormat();
+    if ( !::SetClipboardData(format, hGlobal) )
+    {
+        wxLogSysError(_("Failed to set clipboard data in format %s"),
+                      wxDataObject::GetFormatName(format));
+
+        return false;
+    }
+*/
+    return true;
 }
+#endif // wxUSE_DRAG_AND_DROP
+#endif
 
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+bool wxSetClipboardData(wxDataFormat WXUNUSED(dataFormat),
+                        const void *WXUNUSED(data),
+                        int WXUNUSED(width), int WXUNUSED(height))
 {
-    // TODO
-    return NULL;
+// TODO:
+/*
+    HANDLE handle = 0; // return value of SetClipboardData
+    switch (dataFormat)
+    {
+        case wxDF_BITMAP:
+            {
+                wxBitmap *bitmap = (wxBitmap *)data;
+
+                HDC hdcMem = CreateCompatibleDC((HDC) NULL);
+                HDC hdcSrc = CreateCompatibleDC((HDC) NULL);
+                HBITMAP old = (HBITMAP)
+                    ::SelectObject(hdcSrc, (HBITMAP)bitmap->GetHBITMAP());
+                HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc,
+                                                         bitmap->GetWidth(),
+                                                         bitmap->GetHeight());
+                if (!hBitmap)
+                {
+                    SelectObject(hdcSrc, old);
+                    DeleteDC(hdcMem);
+                    DeleteDC(hdcSrc);
+                    return false;
+                }
+
+                HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap);
+                BitBlt(hdcMem, 0, 0, bitmap->GetWidth(), bitmap->GetHeight(),
+                       hdcSrc, 0, 0, SRCCOPY);
+
+                // Select new bitmap out of memory DC
+                SelectObject(hdcMem, old1);
+
+                // Set the data
+                handle = ::SetClipboardData(CF_BITMAP, hBitmap);
+
+                // Clean up
+                SelectObject(hdcSrc, old);
+                DeleteDC(hdcSrc);
+                DeleteDC(hdcMem);
+                break;
+            }
+
+        case wxDF_DIB:
+            {
+#if wxUSE_IMAGE_LOADING_IN_MSW
+                wxBitmap *bitmap = (wxBitmap *)data;
+                HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP();
+                // NULL palette means to use the system one
+                HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL);
+                handle = SetClipboardData(CF_DIB, hDIB);
+#endif
+                break;
+            }
+
+#if wxUSE_METAFILE
+        case wxDF_METAFILE:
+            {
+                wxMetafile *wxMF = (wxMetafile *)data;
+                HANDLE data = GlobalAlloc(GHND, sizeof(METAFILEPICT) + 1);
+                METAFILEPICT *mf = (METAFILEPICT *)GlobalLock(data);
+
+                mf->mm = wxMF->GetWindowsMappingMode();
+                mf->xExt = width;
+                mf->yExt = height;
+                mf->hMF = (HMETAFILE) wxMF->GetHMETAFILE();
+                GlobalUnlock(data);
+                wxMF->SetHMETAFILE((WXHANDLE) NULL);
+
+                handle = SetClipboardData(CF_METAFILEPICT, data);
+                break;
+            }
+#endif
+        case CF_SYLK:
+        case CF_DIF:
+        case CF_TIFF:
+        case CF_PALETTE:
+        default:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return false;
+            }
+
+        case wxDF_OEMTEXT:
+            dataFormat = wxDF_TEXT;
+            // fall through
+
+        case wxDF_TEXT:
+            {
+                char *s = (char *)data;
+
+                width = strlen(s) + 1;
+                height = 1;
+                DWORD l = (width * height);
+                HANDLE hGlobalMemory = GlobalAlloc(GHND, l);
+                if ( hGlobalMemory )
+                {
+                    LPSTR lpGlobalMemory = (LPSTR)GlobalLock(hGlobalMemory);
+
+                    memcpy(lpGlobalMemory, s, l);
+
+                    GlobalUnlock(hGlobalMemory);
+                }
+
+                handle = SetClipboardData(dataFormat, hGlobalMemory);
+                break;
+            }
+    }
+
+    if ( handle == 0 )
+    {
+        wxLogSysError(_("Failed to set clipboard data."));
+
+        return false;
+    }
+*/
+    return true;
 }
 
-int  wxEnumClipboardFormats(int dataFormat)
+void *wxGetClipboardData(wxDataFormat WXUNUSED(dataFormat), long *WXUNUSED(len))
 {
-    // TODO
-    return 0;
+//  void *retval = NULL;
+// TODO:
+/*
+    switch ( dataFormat )
+    {
+        case wxDF_BITMAP:
+            {
+                BITMAP bm;
+                HBITMAP hBitmap = (HBITMAP) GetClipboardData(CF_BITMAP);
+                if (!hBitmap)
+                    break;
+
+                HDC hdcMem = CreateCompatibleDC((HDC) NULL);
+                HDC hdcSrc = CreateCompatibleDC((HDC) NULL);
+
+                HBITMAP old = (HBITMAP) ::SelectObject(hdcSrc, hBitmap);
+                GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm);
+
+                HBITMAP hNewBitmap = CreateBitmapIndirect(&bm);
+
+                if (!hNewBitmap)
+                {
+                    SelectObject(hdcSrc, old);
+                    DeleteDC(hdcMem);
+                    DeleteDC(hdcSrc);
+                    break;
+                }
+
+                HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hNewBitmap);
+                BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight,
+                       hdcSrc, 0, 0, SRCCOPY);
+
+                // Select new bitmap out of memory DC
+                SelectObject(hdcMem, old1);
+
+                // Clean up
+                SelectObject(hdcSrc, old);
+                DeleteDC(hdcSrc);
+                DeleteDC(hdcMem);
+
+                // Create and return a new wxBitmap
+                wxBitmap *wxBM = new wxBitmap;
+                wxBM->SetHBITMAP((WXHBITMAP) hNewBitmap);
+                wxBM->SetWidth(bm.bmWidth);
+                wxBM->SetHeight(bm.bmHeight);
+                wxBM->SetDepth(bm.bmPlanes);
+                wxBM->SetOk(true);
+                retval = wxBM;
+                break;
+            }
+
+        case wxDF_METAFILE:
+        case CF_SYLK:
+        case CF_DIF:
+        case CF_TIFF:
+        case CF_PALETTE:
+        case wxDF_DIB:
+            {
+                wxLogError(_("Unsupported clipboard format."));
+                return NULL;
+            }
+
+        case wxDF_OEMTEXT:
+            dataFormat = wxDF_TEXT;
+            // fall through
+
+        case wxDF_TEXT:
+            {
+                HANDLE hGlobalMemory = ::GetClipboardData(dataFormat);
+                if (!hGlobalMemory)
+                    break;
+
+                DWORD hsize = ::GlobalSize(hGlobalMemory);
+                if (len)
+                    *len = hsize;
+
+                char *s = new char[hsize];
+                if (!s)
+                    break;
+
+                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+
+                memcpy(s, lpGlobalMemory, hsize);
+
+                ::GlobalUnlock(hGlobalMemory);
+
+                retval = s;
+                break;
+            }
+
+        default:
+            {
+                HANDLE hGlobalMemory = ::GetClipboardData(dataFormat);
+                if ( !hGlobalMemory )
+                    break;
+
+                DWORD size = ::GlobalSize(hGlobalMemory);
+                if ( len )
+                    *len = size;
+
+                void *buf = malloc(size);
+                if ( !buf )
+                    break;
+
+                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+
+                memcpy(buf, lpGlobalMemory, size);
+
+                ::GlobalUnlock(hGlobalMemory);
+
+                retval = buf;
+                break;
+            }
+    }
+
+    if ( !retval )
+    {
+        wxLogSysError(_("Failed to retrieve data from the clipboard."));
+    }
+
+    return retval;
+*/
+    return NULL;
 }
 
-int  wxRegisterClipboardFormat(char *formatName)
+wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {
-    // TODO
-    return 0;
+  // TODO: return ::EnumClipboardFormats(dataFormat);
+  return dataFormat;
 }
 
-bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
+int wxRegisterClipboardFormat(wxChar *WXUNUSED(formatName))
 {
-    // TODO
-    return FALSE;
+  // TODO: return ::RegisterClipboardFormat(formatName);
+  return 0;
 }
 
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
-wxClipboard *wxTheClipboard = NULL;
-
-void wxInitClipboard()
+bool wxGetClipboardFormatName(wxDataFormat WXUNUSED(dataFormat),
+                              wxChar *WXUNUSED(formatName),
+                              int WXUNUSED(maxCount))
 {
-  if (!wxTheClipboard)
-    wxTheClipboard = new wxClipboard;
+  // TODO: return ::GetClipboardFormatName((int)dataFormat, formatName, maxCount) > 0;
+  return 0;
 }
 
+// ---------------------------------------------------------------------------
+// wxClipboard
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+
 wxClipboard::wxClipboard()
 {
-  clipOwner = NULL;
-  cbString = NULL;
 }
 
 wxClipboard::~wxClipboard()
 {
-  if (clipOwner)
-    clipOwner->BeingReplaced();
-  if (cbString)
-    delete[] cbString;
+    Clear();
 }
 
-static int FormatStringToID(char *str)
+void wxClipboard::Clear()
 {
-  if (!strcmp(str, "TEXT"))
-    return wxDF_TEXT;
-
-  return wxRegisterClipboardFormat(str);
 }
 
-void wxClipboard::SetClipboardClient(wxClipboardClient *client, long time)
+bool wxClipboard::Flush()
 {
-  bool got_selection;
-
-  if (clipOwner)
-    clipOwner->BeingReplaced();
-  clipOwner = client;
-  if (cbString) {
-    delete[] cbString;
-    cbString = NULL;
-  }
-
-  if (wxOpenClipboard()) {
-    char **formats, *data;
-         int i;
-    int ftype;
-    long size;
-
-    formats = clipOwner->formats.ListToArray(FALSE);
-    for (i = clipOwner->formats.Number(); i--; ) {
-      ftype = FormatStringToID(formats[i]);
-      data = clipOwner->GetData(formats[i], &size);
-      if (!wxSetClipboardData(ftype, (wxObject *)data, size, 1)) {
-        got_selection = FALSE;
-        break;
-      }
-    }
-
-    if (i < 0)
-      got_selection = wxCloseClipboard();
-  } else
-    got_selection = FALSE;
-
-  got_selection = FALSE; // Assume another process takes over
-
-  if (!got_selection) {
-    clipOwner->BeingReplaced();
-         clipOwner = NULL;
-  }
+    // TODO:
+    return false;
 }
 
-wxClipboardClient *wxClipboard::GetClipboardClient()
+bool wxClipboard::Open()
 {
-  return clipOwner;
+    return wxOpenClipboard();
 }
 
-void wxClipboard::SetClipboardString(char *str, long time)
+bool wxClipboard::IsOpened() const
 {
-  bool got_selection;
-
-  if (clipOwner) {
-    clipOwner->BeingReplaced();
-    clipOwner = NULL;
-  }
-  if (cbString)
-    delete[] cbString;
-
-  cbString = str;
+    return wxIsClipboardOpened();
+}
 
-  if (wxOpenClipboard()) {
-    if (!wxSetClipboardData(wxDF_TEXT, (wxObject *)str))
-      got_selection = FALSE;
+bool wxClipboard::SetData( wxDataObject *WXUNUSED(data) )
+{
+    (void)wxEmptyClipboard();
+    // TODO:
+    /*
+    if ( data )
+        return AddData(data);
     else
-                got_selection = wxCloseClipboard();
-  } else
-    got_selection = FALSE;
+        return true;
+    */
+    return true;
+}
+
+bool wxClipboard::AddData( wxDataObject *data )
+{
+    wxCHECK_MSG( data, false, wxT("data is invalid") );
 
-  got_selection = FALSE; // Assume another process takes over
+#if wxUSE_DRAG_AND_DROP
+    wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
 
-  if (!got_selection) {
-    delete[] cbString;
-    cbString = NULL;
-  }
+//    wxDataFormat format = data->GetPreferredFormat();
+// TODO:
+/*
+    switch ( format )
+    {
+        case wxDF_TEXT:
+        case wxDF_OEMTEXT:
+        {
+            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
+            wxString str(textDataObject->GetText());
+            return wxSetClipboardData(format, str.c_str());
+        }
+
+        case wxDF_BITMAP:
+        case wxDF_DIB:
+        {
+            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
+            wxBitmap bitmap(bitmapDataObject->GetBitmap());
+            return wxSetClipboardData(data->GetPreferredFormat(), &bitmap);
+        }
+
+#if wxUSE_METAFILE
+        case wxDF_METAFILE:
+        {
+            wxMetafileDataObject* metaFileDataObject =
+                (wxMetafileDataObject*) data;
+            wxMetafile metaFile = metaFileDataObject->GetMetafile();
+            return wxSetClipboardData(wxDF_METAFILE, &metaFile,
+                                      metaFileDataObject->GetWidth(),
+                                      metaFileDataObject->GetHeight());
+        }
+#endif // wxUSE_METAFILE
+
+        default:
+            return wxSetClipboardData(data);
+    }
+#else // !wxUSE_DRAG_AND_DROP
+*/
+    return false;
+#else
+    return false;
+#endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP
 }
 
-char *wxClipboard::GetClipboardString(long time)
+void wxClipboard::Close()
 {
-  char *str;
-  long length;
-
-  str = GetClipboardData("TEXT", &length, time);
-  if (!str) {
-    str = new char[1];
-    *str = 0;
-  }
+    wxCloseClipboard();
+}
 
-  return str;
+bool wxClipboard::IsSupported( const wxDataFormat& format )
+{
+    return wxIsClipboardFormatAvailable(format);
 }
 
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
+bool wxClipboard::GetData( wxDataObject& WXUNUSED(data) )
 {
-  if (clipOwner)  {
-         if (clipOwner->formats.Member(format))
-      return clipOwner->GetData(format, length);
-    else
-      return NULL;
-  } else if (cbString) {
-    if (!strcmp(format, "TEXT"))
-      return copystring(cbString);
-    else
-      return NULL;
-  } else {
-    if (wxOpenClipboard()) {
-      receivedString = (char *)wxGetClipboardData(FormatStringToID(format),
-                                                  length);
-      wxCloseClipboard();
-    } else
-      receivedString = NULL;
+    wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") );
 
-    return receivedString;
-  }
+#if wxUSE_DRAG_AND_DROP
+//    wxDataFormat format = data.GetPreferredFormat();
+    // TODO:
+/*
+    switch ( format )
+    {
+        case wxDF_TEXT:
+        case wxDF_OEMTEXT:
+        {
+            wxTextDataObject& textDataObject = (wxTextDataObject&) data;
+            char* s = (char*) wxGetClipboardData(format);
+            if ( s )
+            {
+                textDataObject.SetText(s);
+                delete[] s;
+                return true;
+            }
+            else
+                return false;
+        }
+
+        case wxDF_BITMAP:
+        case wxDF_DIB:
+        {
+            wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
+            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetPreferredFormat());
+            if (bitmap)
+            {
+                bitmapDataObject.SetBitmap(* bitmap);
+                delete bitmap;
+                return true;
+            }
+            else
+                return false;
+        }
+#if wxUSE_METAFILE
+        case wxDF_METAFILE:
+        {
+            wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
+            wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
+            if (metaFile)
+            {
+                metaFileDataObject.SetMetafile(*metaFile);
+                delete metaFile;
+                return true;
+            }
+            else
+                return false;
+        }
+#endif
+        default:
+            {
+                long len;
+                void *buf = wxGetClipboardData(format, &len);
+                if ( buf )
+                {
+                    // FIXME this is for testing only!
+                    ((wxPrivateDataObject &)data).SetData(buf, len);
+                    free(buf);
+
+                    return true;
+                }
+            }
+
+            return false;
+    }
+#else
+*/
+    return false;
+#else
+    return false;
+#endif
 }
 
+#endif // wxUSE_CLIPBOARD