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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/univ/inphand.h | |
3 | // Purpose: wxInputHandler class maps the keyboard and mouse events to the | |
4 | // actions which then are performed by the control | |
5 | // Author: Vadim Zeitlin | |
6 | // Modified by: | |
7 | // Created: 18.08.00 | |
8 | // RCS-ID: $Id$ | |
9 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) | |
10 | // Licence: wxWindows license | |
11 | /////////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | #ifndef _WX_UNIV_INPHAND_H_ | |
14 | #define _WX_UNIV_INPHAND_H_ | |
15 | ||
16 | #ifdef __GNUG__ | |
17 | #pragma interface "inphand.h" | |
18 | #endif | |
19 | ||
20 | #include "wx/univ/inpcons.h" // for wxControlAction(s) | |
21 | ||
22 | // ---------------------------------------------------------------------------- | |
23 | // types of the standard input handlers which can be passed to | |
24 | // wxTheme::GetInputHandler() | |
25 | // ---------------------------------------------------------------------------- | |
26 | ||
27 | #define wxINP_HANDLER_DEFAULT _T("") | |
28 | #define wxINP_HANDLER_BUTTON _T("button") | |
29 | #define wxINP_HANDLER_CHECKBOX _T("checkbox") | |
30 | #define wxINP_HANDLER_CHECKLISTBOX _T("checklistbox") | |
31 | #define wxINP_HANDLER_COMBOBOX _T("combobox") | |
32 | #define wxINP_HANDLER_LISTBOX _T("listbox") | |
33 | #define wxINP_HANDLER_NOTEBOOK _T("notebook") | |
34 | #define wxINP_HANDLER_RADIOBTN _T("radiobtn") | |
35 | #define wxINP_HANDLER_SCROLLBAR _T("scrollbar") | |
36 | #define wxINP_HANDLER_SLIDER _T("slider") | |
37 | #define wxINP_HANDLER_SPINBTN _T("spinbtn") | |
38 | #define wxINP_HANDLER_STATUSBAR _T("statusbar") | |
39 | #define wxINP_HANDLER_TEXTCTRL _T("textctrl") | |
40 | #define wxINP_HANDLER_TOOLBAR _T("toolbar") | |
41 | #define wxINP_HANDLER_TOPLEVEL _T("toplevel") | |
42 | ||
43 | // ---------------------------------------------------------------------------- | |
44 | // wxInputHandler: maps the events to the actions | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
47 | class WXDLLEXPORT wxInputHandler : public wxObject | |
48 | { | |
49 | public: | |
50 | // map a keyboard event to one or more actions (pressed == TRUE if the key | |
51 | // was pressed, FALSE if released), returns TRUE if something was done | |
52 | virtual bool HandleKey(wxInputConsumer *consumer, | |
53 | const wxKeyEvent& event, | |
54 | bool pressed) = 0; | |
55 | ||
56 | // map a mouse (click) event to one or more actions | |
57 | virtual bool HandleMouse(wxInputConsumer *consumer, | |
58 | const wxMouseEvent& event) = 0; | |
59 | ||
60 | // handle mouse movement (or enter/leave) event: it is separated from | |
61 | // HandleMouse() for convenience as many controls don't care about mouse | |
62 | // movements at all | |
63 | virtual bool HandleMouseMove(wxInputConsumer *consumer, | |
64 | const wxMouseEvent& event); | |
65 | ||
66 | // do something with focus set/kill event: this is different from | |
67 | // HandleMouseMove() as the mouse maybe over the control without it having | |
68 | // focus | |
69 | // | |
70 | // return TRUE to refresh the control, FALSE otherwise | |
71 | virtual bool HandleFocus(wxInputConsumer *consumer, const wxFocusEvent& event); | |
72 | ||
73 | // react to the app getting/losing activation | |
74 | // | |
75 | // return TRUE to refresh the control, FALSE otherwise | |
76 | virtual bool HandleActivation(wxInputConsumer *consumer, bool activated); | |
77 | ||
78 | // virtual dtor for any base class | |
79 | virtual ~wxInputHandler(); | |
80 | }; | |
81 | ||
82 | // ---------------------------------------------------------------------------- | |
83 | // wxStdInputHandler is just a base class for all other "standard" handlers | |
84 | // and also provides the way to chain input handlers together | |
85 | // ---------------------------------------------------------------------------- | |
86 | ||
87 | class WXDLLEXPORT wxStdInputHandler : public wxInputHandler | |
88 | { | |
89 | public: | |
90 | wxStdInputHandler(wxInputHandler *handler) : m_handler(handler) { } | |
91 | ||
92 | virtual bool HandleKey(wxInputConsumer *consumer, | |
93 | const wxKeyEvent& event, | |
94 | bool pressed) | |
95 | { | |
96 | return m_handler ? m_handler->HandleKey(consumer, event, pressed) | |
97 | : FALSE; | |
98 | } | |
99 | ||
100 | virtual bool HandleMouse(wxInputConsumer *consumer, | |
101 | const wxMouseEvent& event) | |
102 | { | |
103 | return m_handler ? m_handler->HandleMouse(consumer, event) : FALSE; | |
104 | } | |
105 | ||
106 | virtual bool HandleMouseMove(wxInputConsumer *consumer, const wxMouseEvent& event) | |
107 | { | |
108 | return m_handler ? m_handler->HandleMouseMove(consumer, event) : FALSE; | |
109 | } | |
110 | ||
111 | virtual bool HandleFocus(wxInputConsumer *consumer, const wxFocusEvent& event) | |
112 | { | |
113 | return m_handler ? m_handler->HandleFocus(consumer, event) : FALSE; | |
114 | } | |
115 | ||
116 | private: | |
117 | wxInputHandler *m_handler; | |
118 | }; | |
119 | ||
120 | #endif // _WX_UNIV_INPHAND_H_ |