1 /*
2  * This source file is part of libRocket, the HTML/CSS Interface Middleware
3  *
4  * For the latest information, see http://www.librocket.com
5  *
6  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  *
26  */
27 
28 #ifndef ROCKETSHELL_H
29 #define ROCKETSHELL_H
30 
31 #include <Rocket/Core/Types.h>
32 #include <Rocket/Core/Context.h>
33 #include <Rocket/Core/SystemInterface.h>
34 #include <ShellRenderInterfaceExtensions.h>
35 
36 #ifdef ROCKET_PLATFORM_WIN32
37 #define PATH_SEPARATOR	";"
38 #else
39 #define PATH_SEPARATOR	":"
40 #endif
41 
42 /**
43 	Shell functions for creating windows, attaching OpenGL and handling input in a platform independent way.
44 	@author Lloyd Weehuizen
45  */
46 
47 class Shell
48 {
49 public:
50 	/// Initialise the shell.
51 	/// @param[in] path The path (relative to the current working directory) of the application's working directory.
52 	static bool Initialise(const Rocket::Core::String& path);
53 	/// Shutdown the shell.
54 	static void Shutdown();
55 
56 	/// Loads the default fonts from the given path.
57 	static void LoadFonts(const char* directory);
58 
59 	/// Returns the path to the application's executable.
60 	static const Rocket::Core::String& GetExecutablePath();
61 
62 	/// Open a platform specific window, optionally initialising an OpenGL context on it.
63 	/// @param[in] title Title of the window.
64 	/// @param[in] srie Provides the interface for attaching a renderer to the window and performing related bits of interface.
65 	static bool OpenWindow(const char* title, ShellRenderInterfaceExtensions *_shell_renderer, unsigned int width, unsigned int height, bool allow_resize);
66 	/// Close the active window.
67 	static void CloseWindow();
68 
69 	/// Returns a platform-dependent handle to the window.
70 	static void* GetWindowHandle();
71 
72 	/// Run the event loop, calling the idle function every frame.
73 	typedef void (*ShellIdleFunction)();
74 	static void EventLoop(ShellIdleFunction idle_function);
75 	static void RequestExit();
76 
77 	/// Display an error message.
78 	static void DisplayError(const char* fmt, ...);
79 	/// Log a message to the debugger.
80 	static void Log(const char* fmt, ...);
81 
82 	/// Get the number of seconds that have passed since shell startup.
83 	static float GetElapsedTime();
84 
85 	/// Sets the context to send window resized events to.
86 	/// @param[in] context The context to send  events to.
87 	static void SetContext(Rocket::Core::Context* context);
88 
89 private:
90 	static Rocket::Core::String executable_path;
91 	static Rocket::Core::Context* context;
92 };
93 
94 #include "ShellRenderInterfaceOpenGL.h"
95 #include "ShellSystemInterface.h"
96 
97 #endif
98