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wxMSW wxClipboard implementation

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1396 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1999-01-13 18:01:39 +00:00
parent dface61ccb
commit 06e4351185
10 changed files with 431 additions and 278 deletions
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271
src/msw/clipbrd.cpp
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@@ -35,18 +35,27 @@
#include "wx/utils.h"
#endif
#if wxUSE_METAFILE
#include "wx/metafile.h"
#endif
#include "wx/clipbrd.h"
#include <windows.h>
HICON myIcon;
#include "wx/msw/private.h"
#include "wx/msw/dib.h"
#include <string.h>
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxClipboardClient, wxObject)
// wxDataObject is tied to OLE/drag and drop implementation,
// therefore so is wxClipboard :-(
#if wxUSE_DRAG_AND_DROP
#include "wx/dataobj.h"
#endif
#include <string.h>
bool wxClipboardIsOpen = FALSE;
bool wxOpenClipboard(void)
@@ -78,12 +87,12 @@ bool wxClipboardOpen(void)
return wxClipboardIsOpen;
}
bool wxIsClipboardFormatAvailable(int dataFormat)
bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
{
return (::IsClipboardFormatAvailable(dataFormat) != 0);
}
bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
bool wxSetClipboardData(wxDataFormat dataFormat, wxObject *obj, int width, int height)
{
switch (dataFormat)
{
@@ -135,7 +144,7 @@ bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
#if wxUSE_METAFILE
case wxDF_METAFILE:
{
wxMetaFile *wxMF = (wxMetaFile *)obj;
wxMetafile *wxMF = (wxMetafile *)obj;
HANDLE data = GlobalAlloc(GHND, sizeof(METAFILEPICT) + 1);
#ifdef __WINDOWS_386__
METAFILEPICT *mf = (METAFILEPICT *)MK_FP32(GlobalLock(data));
@@ -200,7 +209,7 @@ bool wxSetClipboardData(int dataFormat, wxObject *obj, int width, int height)
return FALSE;
}
wxObject *wxGetClipboardData(int dataFormat, long *len)
wxObject *wxGetClipboardData(wxDataFormat dataFormat, long *len)
{
switch (dataFormat)
{
@@ -299,9 +308,9 @@ wxObject *wxGetClipboardData(int dataFormat, long *len)
return NULL;
}
int wxEnumClipboardFormats(int dataFormat)
wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
{
return ::EnumClipboardFormats(dataFormat);
return (wxDataFormat) ::EnumClipboardFormats(dataFormat);
}
int wxRegisterClipboardFormat(char *formatName)
@@ -309,158 +318,166 @@ int wxRegisterClipboardFormat(char *formatName)
return ::RegisterClipboardFormat(formatName);
}
bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount)
bool wxGetClipboardFormatName(wxDataFormat dataFormat, char *formatName, int maxCount)
{
return (::GetClipboardFormatName(dataFormat, formatName, maxCount) > 0);
return (::GetClipboardFormatName((int) dataFormat, formatName, maxCount) > 0);
}
/*
* Generalized clipboard implementation by Matthew Flatt
* wxClipboard
*/
wxClipboard *wxTheClipboard = NULL;
//-----------------------------------------------------------------------------
// wxClipboard
//-----------------------------------------------------------------------------
void wxInitClipboard(void)
{
if (!wxTheClipboard)
wxTheClipboard = new wxClipboard;
}
IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject)
wxClipboard::wxClipboard()
{
clipOwner = NULL;
cbString = NULL;
m_open = FALSE;
}
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::Open()
{
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;
wxCHECK_MSG( !m_open, FALSE, "clipboard already open" );
got_selection = FALSE; // Assume another process takes over
m_open = TRUE;
if (!got_selection) {
clipOwner->BeingReplaced();
clipOwner = NULL;
}
return wxOpenClipboard();
}
wxClipboardClient *wxClipboard::GetClipboardClient()
bool wxClipboard::SetData( wxDataObject *data )
{
return clipOwner;
#if wxUSE_DRAG_AND_DROP
wxCHECK_MSG( data, FALSE, "data is invalid" );
wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
switch (data->GetFormat())
{
case wxDF_TEXT:
case wxDF_OEMTEXT:
{
wxTextDataObject* textDataObject = (wxTextDataObject*) data;
wxString str(textDataObject->GetText());
return wxSetClipboardData(data->GetFormat(), (wxObject*) (const char*) str);
break;
}
case wxDF_BITMAP:
case wxDF_DIB:
{
wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
wxBitmap bitmap(bitmapDataObject->GetBitmap());
return wxSetClipboardData(data->GetFormat(), & bitmap);
break;
}
#if wxUSE_METAFILE
case wxDF_METAFILE:
{
wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject*) data;
wxMetafile metaFile = metaFileDataObject->GetMetafile();
return wxSetClipboardData(wxDF_METAFILE, & metaFile, metaFileDataObject->GetWidth(), metaFileDataObject->GetHeight());
break;
}
#endif
default:
{
return FALSE;
}
}
return FALSE;
#else
return FALSE;
#endif
}
void wxClipboard::SetClipboardString(char *str, long time)
void wxClipboard::Close()
{
bool got_selection;
if (clipOwner) {
clipOwner->BeingReplaced();
clipOwner = NULL;
}
if (cbString)
delete[] cbString;
cbString = str;
if (wxOpenClipboard()) {
if (!wxSetClipboardData(wxDF_TEXT, (wxObject *)str))
got_selection = FALSE;
else
got_selection = wxCloseClipboard();
} else
got_selection = FALSE;
got_selection = FALSE; // Assume another process takes over
if (!got_selection) {
delete[] cbString;
cbString = NULL;
}
wxCHECK_RET( m_open, "clipboard not open" );
m_open = FALSE;
wxCloseClipboard();
}
char *wxClipboard::GetClipboardString(long time)
bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString& WXUNUSED(id) )
{
char *str;
long length;
str = GetClipboardData("TEXT", &length, time);
if (!str) {
str = new char[1];
*str = 0;
}
return str;
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;
wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
#if wxUSE_DRAG_AND_DROP
switch (data->GetFormat())
{
case wxDF_TEXT:
case wxDF_OEMTEXT:
{
wxTextDataObject* textDataObject = (wxTextDataObject*) data;
char* s = (char*) wxGetClipboardData(data->GetFormat());
if (s)
{
textDataObject->SetText(s);
delete[] s;
return TRUE;
}
else
return FALSE;
break;
}
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;
break;
}
#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;
return receivedString;
}
break;
}
#endif
default:
{
return FALSE;
}
}
return FALSE;
#else
return FALSE;
#endif
}
#endif // wxUSE_CLIPBOARD