gui_theme.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 #include "../Core/System/sharedptr.h"
00039 
00040 class CL_GUIThemePart;
00041 class CL_GraphicContext;
00042 class CL_ResourceManager;
00043 class CL_GUIComponent;
00044 class CL_Colorf;
00045 class CL_Size;
00046 class CL_Rect;
00047 class CL_Font;
00048 class CL_GUITheme_Impl;
00049 class CL_GUIThemeProvider;
00050 
00054 class CL_API_GUI CL_GUITheme
00055 {
00058 
00059 public:
00063         CL_GUITheme(CL_GUIThemeProvider *provider);
00064 
00065         ~CL_GUITheme();
00066 
00070 
00071 public:
00072 
00076         bool is_null() const;
00077 
00079         CL_GUIThemeProvider *get_provider() const;
00080 
00088         CL_StringRef get_property(
00089                 const CL_GUIThemePart &part,
00090                 const CL_StringRef &name,
00091                 const CL_StringRef &css_value);
00092 
00094         CL_ResourceManager get_resources() const;
00095 
00099 
00100 public:
00102         void set_resources(CL_ResourceManager resources);
00103 
00105         void add_resources(CL_ResourceManager resources);
00106 
00108         void render_box(
00109                 CL_GraphicContext &gc,
00110                 CL_GUIThemePart &part,
00111                 const CL_Rect &rect,
00112                 const CL_Rect &clip_rect);
00113 
00114         CL_Rect render_text(
00115                 CL_GraphicContext &gc,
00116                 CL_GUIThemePart &part,
00117                 CL_Font &font,
00118                 const CL_StringRef &text,
00119                 const CL_Rect &content_rect,
00120                 const CL_Rect &clip_rect);
00121 
00124         // This notification allows a theme to clean up cached theme part
00125         // resources used by the component.
00126         void component_destroyed(CL_GUIComponent *component);
00127 
00131 
00132 private:
00133         CL_SharedPtr<CL_GUITheme_Impl> impl;
00135 };
00136