gui_theme_provider.h

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00001 /*
00002 **  ClanLib SDK
00003 **  Copyright (c) 1997-2011 The ClanLib Team
00004 **
00005 **  This software is provided 'as-is', without any express or implied
00006 **  warranty.  In no event will the authors be held liable for any damages
00007 **  arising from the use of this software.
00008 **
00009 **  Permission is granted to anyone to use this software for any purpose,
00010 **  including commercial applications, and to alter it and redistribute it
00011 **  freely, subject to the following restrictions:
00012 **
00013 **  1. The origin of this software must not be misrepresented; you must not
00014 **     claim that you wrote the original software. If you use this software
00015 **     in a product, an acknowledgment in the product documentation would be
00016 **     appreciated but is not required.
00017 **  2. Altered source versions must be plainly marked as such, and must not be
00018 **     misrepresented as being the original software.
00019 **  3. This notice may not be removed or altered from any source distribution.
00020 **
00021 **  Note: Some of the libraries ClanLib may link to may have additional
00022 **  requirements or restrictions.
00023 **
00024 **  File Author(s):
00025 **
00026 **    Magnus Norddahl
00027 **    Harry Storbacka
00028 **    Kenneth Gangstoe
00029 **    Mark Page
00030 */
00031 
00034 
00035 #pragma once
00036 
00037 #include "../api_gui.h"
00038 
00039 class CL_GUIThemePart;
00040 class CL_GraphicContext;
00041 class CL_ResourceManager;
00042 class CL_GUIComponent;
00043 class CL_Colorf;
00044 class CL_Size;
00045 class CL_Rect;
00046 class CL_Font;
00047 
00051 class CL_API_GUI CL_GUIThemeProvider
00052 {
00055 
00056 public:
00057         virtual ~CL_GUIThemeProvider() { return; }
00058 
00062 
00063 public:
00071         virtual CL_StringRef get_property(
00072                 const CL_GUIThemePart &part,
00073                 const CL_StringRef &name,
00074                 const CL_StringRef &css_value) = 0;
00075 
00077         virtual CL_ResourceManager get_resources() const = 0;
00078 
00082 
00083 public:
00084 
00086         virtual void destroy() = 0;
00087 
00089         virtual void add_resources(CL_ResourceManager resources) = 0;
00090 
00092         virtual void set_resources(CL_ResourceManager resources) = 0;
00093 
00095         virtual void render_box(
00096                 CL_GraphicContext &gc,
00097                 CL_GUIThemePart &part,
00098                 const CL_Rect &rect,
00099                 const CL_Rect &clip_rect) = 0;
00100 
00101         virtual CL_Rect render_text(
00102                 CL_GraphicContext &gc,
00103                 CL_GUIThemePart &part,
00104                 CL_Font &font,
00105                 const CL_StringRef &text,
00106                 const CL_Rect &content_rect,
00107                 const CL_Rect &clip_rect) = 0;
00108 
00111         // This notification allows a theme to clean up cached theme part
00112         // resources used by the component.
00113         virtual void component_destroyed(CL_GUIComponent *component) = 0;
00115 };
00116 
00118