ClanLib  2.3.7
gui_theme_provider.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 ** Harry Storbacka
28 ** Kenneth Gangstoe
29 ** Mark Page
30 */
31 
34 
35 #pragma once
36 
37 #include "../api_gui.h"
38 
39 class CL_GUIThemePart;
40 class CL_GraphicContext;
41 class CL_ResourceManager;
42 class CL_GUIComponent;
43 class CL_Colorf;
44 class CL_Size;
45 class CL_Rect;
46 class CL_Font;
47 
52 {
55 
56 public:
57  virtual ~CL_GUIThemeProvider() { return; }
58 
62 
63 public:
71  virtual CL_StringRef get_property(
72  const CL_GUIThemePart &part,
73  const CL_StringRef &name,
74  const CL_StringRef &css_value) = 0;
75 
77  virtual CL_ResourceManager get_resources() const = 0;
78 
82 
83 public:
84 
86  virtual void destroy() = 0;
87 
89  virtual void add_resources(CL_ResourceManager resources) = 0;
90 
92  virtual void set_resources(CL_ResourceManager resources) = 0;
93 
95  virtual void render_box(
97  CL_GUIThemePart &part,
98  const CL_Rect &rect,
99  const CL_Rect &clip_rect) = 0;
100 
101  virtual CL_Rect render_text(
102  CL_GraphicContext &gc,
103  CL_GUIThemePart &part,
104  CL_Font &font,
105  const CL_StringRef &text,
106  const CL_Rect &content_rect,
107  const CL_Rect &clip_rect) = 0;
108 
111  // This notification allows a theme to clean up cached theme part
112  // resources used by the component.
113  virtual void component_destroyed(CL_GUIComponent *component) = 0;
115 };
116 
118