Function DrawConsoleInput

source/Debugger/Debugger_Display.cpp:1339–1372

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//===========================================================================
void DrawConsoleInput ()
{
	DebuggerSetColorFG( DebuggerGetColor( FG_CONSOLE_INPUT ));
	DebuggerSetColorBG( DebuggerGetColor( BG_CONSOLE_INPUT ));

	RECT rect;
	GetConsoleRect( 0, rect );

	// For long input only show last g_nConsoleInputScrollWidth characters
	if (g_nConsoleInputChars > g_nConsoleInputScrollWidth)
	{
		assert(g_nConsoleInputScrollWidth <= CONSOLE_WIDTH); // NOTE: To support a wider input line the size of g_aConsoleInput[] must be increased

		//	g_nConsoleInputMaxLen      = 16;
		//	g_nConsoleInputScrollWidth = 10;
		//
		//  123456789ABCDEF  g_aConsoleInput[]
		//                 ^ g_nConsoleInputChars       = 15
		//  [--------]       g_nConsoleInputScrollWidth = 10
		// >6789ABCDEF_      g_nConsoleInputMaxLen      = 16
		static char aScrollingInput[ CONSOLE_WIDTH+1 ];
		aScrollingInput[0] = g_aConsoleInput[0];                                           // 1. Start-of-Line

		const int nInputOffset =      g_nConsoleInputChars - g_nConsoleInputScrollWidth  ; // 2. Middle
		const int nInputWidth  = min( g_nConsoleInputChars,  g_nConsoleInputScrollWidth ); // NOTE: Keep in Sync! DrawConsoleInput() and DrawConsoleCursor()
		strncpy( aScrollingInput+1, g_aConsoleInput + 1 + nInputOffset, nInputWidth );     // +1 to skip prompt

		aScrollingInput[ g_nConsoleInputScrollWidth+1 ] = 0;                               // 3. End-of-Line leave room for cursor

		PrintText( aScrollingInput, rect );
	}
	else
		 PrintText( g_aConsoleInput, rect );
}


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