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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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99
include/wx/msw/clipbrd.h
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@@ -23,88 +23,59 @@
#include "wx/list.h"
// These functions superceded by wxClipboard, but retained in order to implement
// wxClipboard, and for compatibility.
WXDLLEXPORT bool wxOpenClipboard(void);
WXDLLEXPORT bool wxClipboardOpen(void);
WXDLLEXPORT bool wxCloseClipboard(void);
WXDLLEXPORT bool wxEmptyClipboard(void);
WXDLLEXPORT bool wxIsClipboardFormatAvailable(int dataFormat);
WXDLLEXPORT bool wxSetClipboardData(int dataFormat, wxObject *obj, int width = 0, int height = 0);
WXDLLEXPORT wxObject* wxGetClipboardData(int dataFormat, long *len = NULL);
WXDLLEXPORT int wxEnumClipboardFormats(int dataFormat);
WXDLLEXPORT bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat);
WXDLLEXPORT bool wxSetClipboardData(wxDataFormat dataFormat, wxObject *obj, int width = 0, int height = 0);
WXDLLEXPORT wxObject* wxGetClipboardData(wxDataFormat dataFormat, long *len = NULL);
WXDLLEXPORT wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat);
WXDLLEXPORT int wxRegisterClipboardFormat(char *formatName);
WXDLLEXPORT bool wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount);
WXDLLEXPORT bool wxGetClipboardFormatName(wxDataFormat dataFormat, char *formatName, int maxCount);
/* The following is Matthew Flatt's implementation of the MSW
* side of generic clipboard functionality.
*/
//-----------------------------------------------------------------------------
// wxClipboard
//-----------------------------------------------------------------------------
/* A clipboard client holds data belonging to the clipboard.
For plain text, a client is not necessary. */
class WXDLLEXPORT wxClipboardClient : public wxObject
{
DECLARE_ABSTRACT_CLASS(wxClipboardClient)
public:
/* This list should be filled in with strings indicating the formats
this client can provide. Almost all clients will provide "TEXT".
Format names should be 4 characters long, so things will work
out on the Macintosh */
wxStringList formats;
/* This method is called when the client is losing the selection. */
virtual void BeingReplaced(void) = 0;
/* This method is called when someone wants the data this client is
supplying to the clipboard. "format" is a string indicating the
format of the data - one of the strings from the "formats"
list. "*size" should be filled with the size of the resulting
data. In the case of text, "*size" does not count the
NULL terminator. */
virtual char *GetData(char *format, long *size) = 0;
};
/* ONE instance of this class: */
class WXDLLEXPORT wxClipboard : public wxObject
class WXDLLEXPORT wxDataObject;
class WXDLLEXPORT wxClipboard: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxClipboard)
public:
wxClipboardClient *clipOwner;
char *cbString, *sentString, *receivedString;
void *receivedTargets;
long receivedLength;
#ifdef __XVIEW__
long sel_owner;
#endif
public:
wxClipboard();
~wxClipboard();
/* Set the clipboard data owner. "time" comes from the event record. */
void SetClipboardClient(wxClipboardClient *, long time);
// open the clipboard before SetData() and GetData()
virtual bool Open();
// close the clipboard after SetData() and GetData()
virtual void Close();
// can be called several times
virtual bool SetData( wxDataObject *data );
/* Set the clipboard string; does not require a client. */
void SetClipboardString(char *, long time);
// format available on the clipboard ?
// supply ID if private format, the same as wxPrivateDataObject::SetId()
virtual bool IsSupportedFormat( wxDataFormat format, const wxString &id = wxEmptyString );
// fill data with data on the clipboard (if available)
virtual bool GetData( wxDataObject *data );
// clears wxTheClipboard and the system's clipboard if possible
virtual void Clear();
/* Get data from the clipboard in the format "TEXT". */
char *GetClipboardString(long time);
/* Get data from the clipboard */
char *GetClipboardData(char *format, long *length, long time);
/* Get the clipboard client directly. Will be NULL if clipboard data
is a string, or if some other application owns the clipboard.
This can be useful for shortcutting data translation, if the
clipboard user can check for a specific client. (This is used
by the wxMediaEdit class.) */
wxClipboardClient *GetClipboardClient(void);
// implementation
bool m_open;
};
/* Initialize wxTheClipboard. Can be called repeatedly */
WXDLLEXPORT void wxInitClipboard(void);
/* The clipboard */
WXDLLEXPORT_DATA(extern wxClipboard*) wxTheClipboard;
// WXDLLEXPORT_DATA(extern wxClipboard*) wxTheClipboard;
#endif // wxUSE_CLIPBOARD
#endif