/////////////////////////////////////////////////////////////////////////////
// Name: 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"
+
+#ifndef WX_PRECOMP
+ #include "wx/setup.h"
+#endif
+
+#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
+
+#if wxUSE_METAFILE
+ #include "wx/metafile.h"
#endif
-#include "wx/app.h"
-#include "wx/frame.h"
-#include "wx/bitmap.h"
-#include "wx/utils.h"
-#include "wx/metafile.h"
+#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
+ 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 dataFormat)
{
- // TODO
+ // TODO: return ::IsClipboardFormatAvailable(dataFormat) != 0;
return FALSE;
}
-bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
+#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
-wxObject *wxGetClipboardData(int dataFormat, long *len)
+bool wxSetClipboardData(wxDataFormat dataFormat,
+ const void *data,
+ int width, int 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 dataFormat, long *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 FALSE;
+ }
+
+ 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 *formatName)
{
- // TODO
- return FALSE;
+ // TODO: return ::RegisterClipboardFormat(formatName);
+ return 0;
}
-/*
- * Generalized clipboard implementation by Matthew Flatt
- */
-
-wxClipboard *wxTheClipboard = NULL;
-
-void wxInitClipboard()
+bool wxGetClipboardFormatName(wxDataFormat dataFormat,
+ wxChar *formatName,
+ int 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 *data )
+{
+ (void)wxEmptyClipboard();
+ // TODO:
+ /*
+ if ( data )
+ return AddData(data);
else
- got_selection = wxCloseClipboard();
- } else
- got_selection = FALSE;
+ return TRUE;
+ */
+ return TRUE;
+}
- got_selection = FALSE; // Assume another process takes over
+bool wxClipboard::AddData( wxDataObject *data )
+{
+ wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
- if (!got_selection) {
- delete[] cbString;
- cbString = NULL;
- }
+#if wxUSE_DRAG_AND_DROP
+ wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+
+// wxDataFormat format = data->GetFormat();
+// 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->GetFormat(), &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;
+#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( wxDataFormat format )
+{
+ return wxIsClipboardFormatAvailable(format);
}
-char *wxClipboard::GetClipboardData(char *format, long *length, long time)
+bool wxClipboard::GetData( wxDataObject& 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;
-
- return receivedString;
- }
+ wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
+
+#if wxUSE_DRAG_AND_DROP
+// wxDataFormat format = data.GetFormat();
+ // 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->GetFormat());
+ 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;
+#endif
}
+#else
+ #error "Please turn wxUSE_CLIPBOARD on to compile this file."
+#endif // wxUSE_CLIPBOARD
+
projects / wxWidgets.git / blobdiff