Fix css style order when using external css files

[ryzomcore.git] / ryzom / client / src / interfaces_manager / capture.cpp

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.



#include "stdpch.h"


//////////////
// Includes //
//////////////
// 3D Interface.
#include "nel/3d/u_driver.h"
#include "nel/3d/u_text_context.h"
// Client
#include "capture.h"
#include "interfaces_manager.h"


////////////////
// Namespaces //
////////////////
using namespace NLMISC;
using namespace NL3D;
using namespace std;


/////////////
// Externs //
/////////////
extern UDriver          *Driver;
extern UTextContext *TextContext;


//-----------------------------------------------
// CCapture :
// Constructor.
//-----------------------------------------------
CCapture::CCapture(uint id)
: CControl(id)
{
        init(0);
}// CCapture //

//-----------------------------------------------
// CCapture :
// Constructor.
//-----------------------------------------------
CCapture::CCapture(uint id, float x, float y, float x_pixel, float y_pixel, float w, float h, float w_pixel, float h_pixel, uint numFunc, const CPen &pen)
: CControl(id, x, y, x_pixel, y_pixel, w, h, w_pixel, h_pixel), CPen(pen)
{
        init(numFunc);
}// CCapture //

//-----------------------------------------------
// CCapture :
// Constructor.
//-----------------------------------------------
CCapture::CCapture(uint id, float x, float y, float x_pixel, float y_pixel, float w, float h, float w_pixel, float h_pixel, uint numFunc, uint32 fontSize, CRGBA color, bool shadow)
: CControl(id, x, y, x_pixel, y_pixel, w, h, w_pixel, h_pixel), CPen(fontSize, color, shadow)
{
        init(numFunc);
}// CCapture //

//-----------------------------------------------
// ~CCapture :
// Destructor.
//-----------------------------------------------
CCapture::~CCapture()
{
        // Remove the listener.
        Driver->EventServer.removeListener(EventCharId, this);
}// ~CCapture //

//-----------------------------------------------
// init :
// Initialize the button (1 function called for all constructors -> easier).
//-----------------------------------------------
void CCapture::init(uint numFunc)
{
        //
        _NumFunc        = numFunc;
        _MaxChar        = 256;
        _Insert         = false;
        _Prompt         = "";

        // Add an event Listener for the char event.
        Driver->EventServer.addListener(EventCharId, this);
}// init //


//---------------------------------------------------
// operator() :
// Function that receives events.
//---------------------------------------------------
void CCapture::operator()(const CEvent& event)
{
        // Not in insert mode -> return (or disconnect listener).
        if(!_Insert)
                return;

        // What is the char pushed ?
        CEventChar ec = (CEventChar &) event;
        switch(ec.Char)
        {
        // SPACE
//      case KeySPACE:
//              return;
//              break;

        // RETURN
        case KeyRETURN:
                _Insert = false;
                CInterfMngr::runFuncCtrl(_NumFunc, id());
                break;

        // TAB
        case KeyTAB:
                break;

        // ESCAPE
        case KeyESCAPE:
                break;

        // BACKSPACE
        case KeyBACK:
                // delete last character
                if(_Str.size () > 0)
                {
                        ucstring::iterator it = _Str.end();
                        _Str.erase(--it);
                }
                break;

        // OTHER
        default:
                // If the char is not alphanumeric -> return.
//              if(!isalnum(ec.Char))
//                      return;

                if(_Str.size() < _MaxChar)
                        _Str += ec.Char;
                break;
        }
}// operator() //



//-----------------------------------------------
// display :
// Display the text.
//-----------------------------------------------
void CCapture::display()
{
        // If the control is hide -> return
        if(!_Show)
                return;

        /// \todo GUIGUI : initialize the scissor with oldScissor and remove tmp variables.
        // Backup scissor and create the new scissor to clip the list correctly.
        CScissor oldScissor = Driver->getScissor();
        CScissor scissor;

        float scisX, scisY, scisWidth, scisHeight;
        scisX           = oldScissor.X;
        scisY           = oldScissor.Y;
        scisWidth       = oldScissor.Width;
        scisHeight      = oldScissor.Height;

        float xtmp = _X_Display+_W_Display;
        float ytmp = _Y_Display+_H_Display;
        float xscistmp = scisX+scisWidth;
        float yscistmp = scisY+scisHeight;
        if(_X_Display>scisX)
                scisX = _X_Display;
        if(_Y_Display>scisY)
                scisY = _Y_Display;
        if(xtmp<xscistmp)
                scisWidth = xtmp-scisX;
        else
                scisWidth = xscistmp-scisX;
        if(ytmp<yscistmp)
                scisHeight = ytmp-scisY;
        else
                scisHeight = yscistmp-scisY;
        scissor.init(scisX, scisY, scisWidth, scisHeight);
        Driver->setScissor(scissor);


        // write text
        ucstring str(_Prompt);
        str += _Str;

        if(_Insert)
        {
                str += "_";
        }

        TextContext->setShaded(_Shadow);
        TextContext->setHotSpot(UTextContext::MiddleLeft);
        TextContext->setColor(_Color);
        TextContext->setFontSize(_FontSize);

        const uint32 index = TextContext->textPush( str );
        const float strWidth = TextContext->getStringInfo(index).StringWidth / Driver->getWindowWidth();


// display string starting by the first character if !insert or display to ensure the input prompt is visible in insert mode
        // calculate the x coordinate where to start displaying
        float xDisplay = _X_Display;
        if (_Insert)
        {
                if (strWidth > _W_Display)
                        xDisplay -= (strWidth - _W_Display);
        }

        TextContext->printAt( xDisplay , _Y_Display+_H_Display/2, index);
        TextContext->erase(index);

        // Restore Scissor.
        Driver->setScissor(oldScissor);
}// display //

//-----------------------------------------------
// click :
// Manage the click for the control.
//-----------------------------------------------
void CCapture::click(float x, float y, bool &taken)
{
        _Insert = false;

        if (!taken)
        {
                // If the click is in the capture Rect.
                if(x>=_X_Display && x<=(_X_Display+_W_Display) && y>=_Y_Display && y<=(_Y_Display+_H_Display))
                {
                        _Insert = true;
                        taken = true;
                }
        }
}// click //