| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: clipbrd.h |
| 3 | // Purpose: Clipboard functionality. |
| 4 | // Note: this functionality is under review, and |
| 5 | // is derived from wxWindows 1.xx code. Please contact |
| 6 | // the wxWindows developers for further information. |
| 7 | // Author: AUTHOR |
| 8 | // Modified by: |
| 9 | // Created: ??/??/98 |
| 10 | // RCS-ID: $Id$ |
| 11 | // Copyright: (c) AUTHOR |
| 12 | // Licence: wxWindows licence |
| 13 | ///////////////////////////////////////////////////////////////////////////// |
| 14 | |
| 15 | #ifndef _WX_CLIPBRD_H_ |
| 16 | #define _WX_CLIPBRD_H_ |
| 17 | |
| 18 | #ifdef __GNUG__ |
| 19 | #pragma interface "clipbrd.h" |
| 20 | #endif |
| 21 | |
| 22 | #include "wx/defs.h" |
| 23 | #include "wx/setup.h" |
| 24 | |
| 25 | #include "wx/list.h" |
| 26 | |
| 27 | bool WXDLLEXPORT wxOpenClipboard(); |
| 28 | bool WXDLLEXPORT wxClipboardOpen(); |
| 29 | bool WXDLLEXPORT wxCloseClipboard(); |
| 30 | bool WXDLLEXPORT wxEmptyClipboard(); |
| 31 | bool WXDLLEXPORT wxIsClipboardFormatAvailable(int dataFormat); |
| 32 | bool WXDLLEXPORT wxSetClipboardData(int dataFormat, wxObject *obj, int width = 0, int height = 0); |
| 33 | wxObject* WXDLLEXPORT wxGetClipboardData(int dataFormat, long *len = NULL); |
| 34 | int WXDLLEXPORT wxEnumClipboardFormats(int dataFormat); |
| 35 | int WXDLLEXPORT wxRegisterClipboardFormat(char *formatName); |
| 36 | bool WXDLLEXPORT wxGetClipboardFormatName(int dataFormat, char *formatName, int maxCount); |
| 37 | |
| 38 | /* A clipboard client holds data belonging to the clipboard. |
| 39 | For plain text, a client is not necessary. */ |
| 40 | class WXDLLEXPORT wxClipboardClient : public wxObject |
| 41 | { |
| 42 | DECLARE_ABSTRACT_CLASS(wxClipboardClient) |
| 43 | |
| 44 | public: |
| 45 | /* This list should be filled in with strings indicating the formats |
| 46 | this client can provide. Almost all clients will provide "TEXT". |
| 47 | Format names should be 4 characters long, so things will work |
| 48 | out on the Macintosh */ |
| 49 | wxStringList formats; |
| 50 | |
| 51 | /* This method is called when the client is losing the selection. */ |
| 52 | virtual void BeingReplaced() = 0; |
| 53 | |
| 54 | /* This method is called when someone wants the data this client is |
| 55 | supplying to the clipboard. "format" is a string indicating the |
| 56 | format of the data - one of the strings from the "formats" |
| 57 | list. "*size" should be filled with the size of the resulting |
| 58 | data. In the case of text, "*size" does not count the |
| 59 | NULL terminator. */ |
| 60 | virtual char *GetData(char *format, long *size) = 0; |
| 61 | }; |
| 62 | |
| 63 | /* ONE instance of this class: */ |
| 64 | class WXDLLEXPORT wxClipboard : public wxObject |
| 65 | { |
| 66 | DECLARE_DYNAMIC_CLASS(wxClipboard) |
| 67 | |
| 68 | public: |
| 69 | wxClipboardClient *clipOwner; |
| 70 | char *cbString, *sentString, *receivedString; |
| 71 | void *receivedTargets; |
| 72 | long receivedLength; |
| 73 | |
| 74 | wxClipboard(); |
| 75 | ~wxClipboard(); |
| 76 | |
| 77 | /* Set the clipboard data owner. "time" comes from the event record. */ |
| 78 | void SetClipboardClient(wxClipboardClient *, long time); |
| 79 | |
| 80 | /* Set the clipboard string; does not require a client. */ |
| 81 | void SetClipboardString(char *, long time); |
| 82 | |
| 83 | /* Get data from the clipboard in the format "TEXT". */ |
| 84 | char *GetClipboardString(long time); |
| 85 | |
| 86 | /* Get data from the clipboard */ |
| 87 | char *GetClipboardData(char *format, long *length, long time); |
| 88 | |
| 89 | /* Get the clipboard client directly. Will be NULL if clipboard data |
| 90 | is a string, or if some other application owns the clipboard. |
| 91 | This can be useful for shortcutting data translation, if the |
| 92 | clipboard user can check for a specific client. (This is used |
| 93 | by the wxMediaEdit class.) */ |
| 94 | wxClipboardClient *GetClipboardClient(); |
| 95 | }; |
| 96 | |
| 97 | /* Initialize wxTheClipboard. Can be called repeatedly */ |
| 98 | void WXDLLEXPORT wxInitClipboard(); |
| 99 | |
| 100 | /* The clipboard */ |
| 101 | WXDLLEXPORT_DATA(extern wxClipboard*) wxTheClipboard; |
| 102 | |
| 103 | #endif |
| 104 | // _WX_CLIPBRD_H_ |