Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef ISYSTEM_H
#define ISYSTEM_H
#ifdef _WIN32
#pragma once
#endif
#include "tier1/interface.h"
#include <vgui/VGUI.h>
#include <vgui/KeyCode.h>
#ifdef PlaySound
#undef PlaySound
#endif
class KeyValues;
namespace vgui
{
//-----------------------------------------------------------------------------
// Purpose: Wraps contextless windows system functions
//-----------------------------------------------------------------------------
class ISystem : public IBaseInterface
{
public:
// call when done with ISystem to clean up any memory allocation
virtual void Shutdown() = 0;
// called every frame
virtual void RunFrame() = 0;
// use this with the "open" command to launch web browsers/explorer windows, eg. ShellExecute("open", "www.valvesoftware.com")
virtual void ShellExecute(const char *command, const char *file) = 0;
// returns the time at the start of the frame, in seconds
virtual double GetFrameTime() = 0;
// returns the current time, in seconds
virtual double GetCurrentTime() = 0;
// returns the current time, in milliseconds
virtual long GetTimeMillis() = 0;
// clipboard access
virtual int GetClipboardTextCount() = 0;
virtual void SetClipboardText(const char *text, int textLen) = 0;
virtual void SetClipboardText(const wchar_t *text, int textLen) = 0;
virtual int GetClipboardText(int offset, char *buf, int bufLen) = 0;
virtual int GetClipboardText(int offset, wchar_t *buf, int bufLen) = 0;
// windows registry
virtual bool SetRegistryString(const char *key, const char *value) = 0;
virtual bool GetRegistryString(const char *key, char *value, int valueLen) = 0;
virtual bool SetRegistryInteger(const char *key, int value) = 0;
virtual bool GetRegistryInteger(const char *key, int &value) = 0;
// user config
virtual KeyValues *GetUserConfigFileData(const char *dialogName, int dialogID) = 0;
// sets the name of the config file to save/restore from. Settings are loaded immediately.
virtual void SetUserConfigFile(const char *fileName, const char *pathName) = 0;
// saves all the current settings to the user config file
virtual void SaveUserConfigFile() = 0;
// sets the watch on global computer use
// returns true if supported
virtual bool SetWatchForComputerUse(bool state) = 0;
// returns the time, in seconds, since the last computer use.
virtual double GetTimeSinceLastUse() = 0;
// Get a string containing the available drives
// If the function succeeds, the return value is the length, in characters,
// of the strings copied to the buffer,
// not including the terminating null character.
virtual int GetAvailableDrives(char *buf, int bufLen) = 0;
// exe command line options accessors
// returns whether or not the parameter was on the command line
virtual bool CommandLineParamExists(const char *paramName) = 0;
// returns the full command line, including the exe name
virtual const char *GetFullCommandLine() = 0;
// Convert a windows virtual key code to a VGUI key code.
virtual KeyCode KeyCode_VirtualKeyToVGUI( int keyCode ) = 0;
// returns the current local time and date
// fills in every field that a pointer is given to it for
virtual bool GetCurrentTimeAndDate(int *year, int *month, int *dayOfWeek, int *day, int *hour, int *minute, int *second) = 0;
// returns the amount of available disk space, in bytes, on the drive
// path can be any path, drive letter is stripped out
virtual double GetFreeDiskSpace(const char *path) = 0;
// shortcut (.lnk) modification functions
virtual bool CreateShortcut(const char *linkFileName, const char *targetPath, const char *arguments, const char *workingDirectory, const char *iconFile) = 0;
virtual bool GetShortcutTarget(const char *linkFileName, char *targetPath, char *arguments, int destBufferSizes) = 0;
virtual bool ModifyShortcutTarget(const char *linkFileName, const char *targetPath, const char *arguments, const char *workingDirectory) = 0;
// gets the string following a command line param
//!! move this function up on changing interface version number
virtual bool GetCommandLineParamValue(const char *paramName, char *value, int valueBufferSize) = 0;
// recursively deletes a registry key and all it's subkeys
//!! move this function next to other registry function on changing interface version number
virtual bool DeleteRegistryKey(const char *keyName) = 0;
virtual const char *GetDesktopFolderPath() = 0;
// use this with the "open" command to launch web browsers/explorer windows, eg. ShellExecute("open", "www.valvesoftware.com")
virtual void ShellExecuteEx( const char *command, const char *file, const char *pParams ) = 0;
// Copy a portion of the application client area to the clipboard
// (x1,y1) specifies the top-left corner of the client rect to copy
// (x2,y2) specifies the bottom-right corner of the client rect to copy
// Requires: x2 > x1 && y2 > y1
// Dimensions of the copied rectangle are (x2 - x1) x (y2 - y1)
// Pixel at (x1,y1) is copied, pixels at column x2 and row y2 are *not* copied
virtual void SetClipboardImage( void *pWnd, int x1, int y1, int x2, int y2 ) = 0;
};
}
#define VGUI_SYSTEM_INTERFACE_VERSION "VGUI_System010"
#endif // ISYSTEM_H