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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: Julian Smart | |
8 | // Modified by: | |
9 | // Created: 17/09/98 | |
10 | // RCS-ID: $Id$ | |
11 | // Copyright: (c) Julian Smart | |
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_ |