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1e6feb95 VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: wx/univ/theme.h | |
3 | // Purpose: wxTheme class manages all configurable aspects of the | |
4 | // application including the look (wxRenderer), feel | |
5 | // (wxInputHandler) and the colours (wxColourScheme) | |
6 | // Author: Vadim Zeitlin | |
7 | // Modified by: | |
8 | // Created: 06.08.00 | |
9 | // RCS-ID: $Id$ | |
442b35b5 | 10 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
1e6feb95 VZ |
11 | // Licence: wxWindows license |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #ifndef _WX_UNIV_THEME_H_ | |
15 | #define _WX_UNIV_THEME_H_ | |
16 | ||
17 | #ifdef __GNUG__ | |
18 | #pragma interface "theme.h" | |
19 | #endif | |
20 | ||
21 | // ---------------------------------------------------------------------------- | |
22 | // wxTheme | |
23 | // ---------------------------------------------------------------------------- | |
24 | ||
25 | class WXDLLEXPORT wxRenderer; | |
26 | class WXDLLEXPORT wxColourScheme; | |
27 | class WXDLLEXPORT wxInputHandler; | |
28 | struct WXDLLEXPORT wxThemeInfo; | |
29 | ||
30 | class WXDLLEXPORT wxTheme | |
31 | { | |
32 | public: | |
33 | // static methods | |
34 | // -------------- | |
35 | ||
36 | // create the default theme | |
37 | static bool CreateDefault(); | |
38 | ||
39 | // create the theme by name (will return NULL if not found) | |
40 | static wxTheme *Create(const wxString& name); | |
41 | ||
42 | // change the current scheme | |
43 | static wxTheme *Set(wxTheme *theme); | |
44 | ||
45 | // get the current theme (never NULL) | |
46 | static wxTheme *Get() { return ms_theme; } | |
47 | ||
48 | // the theme methods | |
49 | // ----------------- | |
50 | ||
51 | // get the renderer implementing all the control-drawing operations in | |
52 | // this theme | |
53 | virtual wxRenderer *GetRenderer() = 0; | |
54 | ||
55 | // get the input handler of the given type | |
56 | virtual wxInputHandler *GetInputHandler(const wxString& handlerType) = 0; | |
57 | ||
58 | // get the colour scheme for the control with this name | |
59 | virtual wxColourScheme *GetColourScheme() = 0; | |
60 | ||
61 | // implementation only from now on | |
62 | // ------------------------------- | |
63 | ||
64 | virtual ~wxTheme(); | |
65 | ||
66 | private: | |
67 | // the list of descriptions of all known themes | |
68 | static wxThemeInfo *ms_allThemes; | |
69 | ||
70 | // the current theme | |
71 | static wxTheme *ms_theme; | |
e766c8a9 SC |
72 | #ifdef __MWERKS__ |
73 | friend class wxThemeInfo; | |
74 | #else | |
1e6feb95 | 75 | friend wxThemeInfo; |
e766c8a9 | 76 | #endif |
1e6feb95 VZ |
77 | }; |
78 | ||
79 | // ---------------------------------------------------------------------------- | |
80 | // dynamic theme creation helpers | |
81 | // ---------------------------------------------------------------------------- | |
82 | ||
83 | struct WXDLLEXPORT wxThemeInfo | |
84 | { | |
85 | typedef wxTheme *(*Constructor)(); | |
86 | ||
87 | // theme name and (user readable) description | |
88 | wxString name, desc; | |
89 | ||
90 | // the function to create a theme object | |
91 | Constructor ctor; | |
92 | ||
93 | // next node in the linked list or NULL | |
94 | wxThemeInfo *next; | |
95 | ||
96 | // constructor for the struct itself | |
97 | wxThemeInfo(Constructor ctor, const wxChar *name, const wxChar *desc); | |
98 | }; | |
99 | ||
100 | // ---------------------------------------------------------------------------- | |
101 | // macros | |
102 | // ---------------------------------------------------------------------------- | |
103 | ||
104 | // to use a standard theme insert this macro into one of the application files: | |
105 | // without it, an over optimizing linker may discard the object module | |
106 | // containing the theme implementation entirely | |
107 | #define WX_USE_THEME(themename) \ | |
108 | extern bool wxThemeUse##themename; \ | |
109 | static struct wxThemeUserFor##themename \ | |
110 | { \ | |
111 | wxThemeUserFor##themename() { wxThemeUse##themename = TRUE; } \ | |
112 | } wxThemeDoUse##themename | |
113 | ||
114 | // to declare a new theme, this macro must be used in the class declaration | |
115 | #define WX_DECLARE_THEME(themename) \ | |
116 | private: \ | |
117 | static wxThemeInfo ms_info##themename; \ | |
118 | public: \ | |
119 | const wxThemeInfo *GetThemeInfo() const \ | |
120 | { return &ms_info##themename; } | |
121 | ||
122 | // and this one must be inserted in the source file | |
123 | #define WX_IMPLEMENT_THEME(classname, themename, themedesc) \ | |
124 | bool wxThemeUse##themename = TRUE; \ | |
125 | wxTheme *wxCtorFor##themename() { return new classname; } \ | |
126 | wxThemeInfo classname::ms_info##themename(wxCtorFor##themename, \ | |
127 | #themename, themedesc) | |
128 | ||
129 | #endif // _WX_UNIV_THEME_H_ | |
130 |