mirror of
https://port.numenaute.org/aleajactaest/khanat-code-old.git
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275 lines
5.9 KiB
C++
275 lines
5.9 KiB
C++
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// Includes
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//
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#include <nel/misc/types_nl.h>
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#include <cmath>
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#include <nel/misc/vectord.h>
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#include <nel/misc/event_listener.h>
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#include <nel/3d/u_camera.h>
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#include <nel/3d/u_driver.h>
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#include <nel/3d/u_text_context.h>
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#include <nel/3d/u_instance.h>
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#include <nel/3d/u_scene.h>
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#include <nel/3d/u_3d_mouse_listener.h>
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#include <nel/3d/u_material.h>
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#include <nel/3d/u_landscape.h>
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#include "snowballs_client.h"
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#include "interface.h"
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//
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// Namespaces
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//
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using namespace std;
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using namespace NLMISC;
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using namespace NL3D;
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namespace SBCLIENT {
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//
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// Variables
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//
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static string QueryString, AnswerString;
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static float DisplayWidth;
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static float DisplayHeight, nbLines;
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static CRGBA DisplayColor;
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static sint Prompt;
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static uint FontSize = 20;
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//
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// Functions
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//
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// Class that handle the keyboard input when an interface is displayed (login request for example)
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class CInterfaceListener : public IEventListener
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{
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virtual void operator() ( const CEvent& event )
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{
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// ignore keys if interface is not open
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if (!interfaceOpen ()) return;
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CEventChar &ec = (CEventChar&)event;
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// prompt = 2 then we wait a any user key
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if (Prompt == 2)
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{
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QueryString = "";
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AnswerString = "";
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_Line = "";
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return;
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}
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switch ( ec.Char )
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{
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case 13 : // RETURN : Send the chat message
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if (_Line.size() == 0)
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break;
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QueryString = "";
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AnswerString = _Line;
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_LastCommand = _Line;
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_Line = "";
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_MaxWidthReached = false;
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break;
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case 8 : // BACKSPACE
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if ( _Line.size() != 0 )
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{
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_Line.erase( _Line.end()-1 );
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// _MaxWidthReached = false; // no need
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}
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break;
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case 27 : // ESCAPE
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QueryString = "";
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AnswerString = "";
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_LastCommand = _Line;
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_Line = "";
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_MaxWidthReached = false;
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break;
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default:
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if ( ! _MaxWidthReached )
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{
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_Line += (char)ec.Char;
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}
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}
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}
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public:
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CInterfaceListener() : _MaxWidthReached( false )
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{}
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const string& line() const
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{
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return _Line;
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}
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void setLine(const string &str) { _Line = str; }
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void setMaxWidthReached( bool b )
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{
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_MaxWidthReached = b;
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}
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private:
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string _Line;
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bool _MaxWidthReached;
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string _LastCommand;
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};
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// Instance of the listener
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static CInterfaceListener InterfaceListener;
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static UMaterial InterfaceMaterial = NULL;
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void initInterface()
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{
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// Add the keyboard listener in the event server
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Driver->EventServer.addListener (EventCharId, &InterfaceListener);
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InterfaceMaterial = Driver->createMaterial();
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InterfaceMaterial.initUnlit();
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InterfaceMaterial.setBlendFunc(UMaterial::srcalpha, UMaterial::invsrcalpha);
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InterfaceMaterial.setBlend(true);
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}
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void updateInterface()
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{
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if (QueryString.empty()) return;
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// Draw background
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Driver->setMatrixMode2D11 ();
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InterfaceMaterial.setColor(DisplayColor);
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CQuad quad;
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quad.V0.set(0.5f-DisplayWidth/2.0f, 0.5f+DisplayHeight/2.0f, 0);
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quad.V1.set(0.5f+DisplayWidth/2.0f, 0.5f+DisplayHeight/2.0f, 0);
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quad.V2.set(0.5f+DisplayWidth/2.0f, 0.5f-DisplayHeight/2.0f, 0);
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quad.V3.set(0.5f-DisplayWidth/2.0f, 0.5f-DisplayHeight/2.0f, 0);
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Driver->drawQuad(quad, InterfaceMaterial);
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//Driver->drawQuad (0.5f-DisplayWidth/2.0f, 0.5f-DisplayHeight/2.0f, 0.5f+DisplayWidth/2.0f, 0.5f+DisplayHeight/2.0f, DisplayColor);
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// Set the text context
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TextContext->setHotSpot (UTextContext::MiddleMiddle);
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TextContext->setColor (CRGBA (255,255,255,255));
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TextContext->setFontSize (FontSize);
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// Display the text
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string str;
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float y = (nbLines * FontSize / 2.0f) / 600.0f;
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for (uint i = 0; i < QueryString.size (); i++)
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{
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if (QueryString[i] == '\n')
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{
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TextContext->printfAt (0.5f, 0.5f+y, str.c_str());
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str = "";
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y -= FontSize / 600.0f;
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}
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else
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{
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str += QueryString[i];
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}
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}
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TextContext->printfAt (0.5f, 0.5f+y, str.c_str());
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// Display the user input line
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y-= (2.0f * FontSize) / 600.0f;
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string str2;
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switch (Prompt)
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{
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case 0:
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str2 = InterfaceListener.line();
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str2 += "_";
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break;
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case 1:
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str2.resize (InterfaceListener.line().size (), '*');
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str2 += "_";
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break;
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case 2:
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str2 = "";
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break;
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}
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TextContext->printfAt (0.5f, 0.5f+y, str2.c_str());
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}
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void releaseInterface()
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{
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// Delete the material
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Driver->deleteMaterial(InterfaceMaterial);
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// Remove the keyboard listener from the server
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Driver->EventServer.removeListener (EventCharId, &InterfaceListener);
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}
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void askString (const string &queryString, const string &defaultString, sint prompt, const CRGBA &color)
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{
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nldebug("called askString");
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nlinfo(queryString.c_str());
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QueryString = queryString;
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if (prompt == 2)
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QueryString += "\n\n(Press any key to continue)";
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else
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QueryString += "\n\n(Press enter to validate and ESC to cancel)";
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nbLines = 1;
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for (uint i = 0; i < QueryString.size (); i++)
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{
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if (QueryString[i] == '\n') nbLines++;
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}
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DisplayWidth = float(queryString.size () * FontSize) / 600.0f;
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DisplayHeight = float((nbLines + 4) * FontSize) / 600.0f;
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DisplayColor = color;
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InterfaceListener.setLine (defaultString);
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Prompt = prompt;
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}
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bool haveAnswer (string &answer)
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{
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bool haveIt = !AnswerString.empty();
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if (haveIt)
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{
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answer = AnswerString;
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AnswerString = "";
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}
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return haveIt;
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}
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bool interfaceOpen ()
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{
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return !QueryString.empty();
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}
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} /* namespace SBCLIENT */
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/* end of file */
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