wg_messagebox.cpp

// wg_messagebox.cpp
//
// CMessageBox class implementation
//
//
// Copyright (c) 2002-2004 Rob Wiskow
// rob-dev@boxedchaos.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//


#include "wgui_include_config.h"
#include "wg_messagebox.h"

namespace wGui
{

CMessageBox::CMessageBox(CView* pParent, CFontEngine* pFontEngine, const std::wstring& sTitle, const std::wstring& sMessage, int iButtons) :
     CFrame(CRect(20, 20, 320, 100), pParent, pFontEngine, sTitle),
     m_iButtons(iButtons)
{
     m_pMessageLabel = new CLabel(CRect(10, 10, 290, 26), this, sMessage);
     CPoint BottomRight(290, 56);
     if (iButtons & CMessageBox::BUTTON_CANCEL)
     {
          m_ButtonMap.insert(std::make_pair(CMessageBox::BUTTON_CANCEL, new CButton(CRect(BottomRight - CPoint(50, 18), BottomRight), this, L"Cancel")));
          BottomRight = BottomRight - CPoint(60, 0);
     }
     if (iButtons & CMessageBox::BUTTON_OK)
     {
          m_ButtonMap.insert(std::make_pair(CMessageBox::BUTTON_OK, new CButton(CRect(BottomRight - CPoint(50, 18), BottomRight), this, L"Ok")));
          BottomRight = BottomRight - CPoint(60, 0);
     }
     if (iButtons & CMessageBox::BUTTON_NO)
     {
          m_ButtonMap.insert(std::make_pair(CMessageBox::BUTTON_NO, new CButton(CRect(BottomRight - CPoint(50, 18), BottomRight), this, L"No")));
          BottomRight = BottomRight - CPoint(60, 0);
     }
     if (iButtons & CMessageBox::BUTTON_YES)
     {
          m_ButtonMap.insert(std::make_pair(CMessageBox::BUTTON_YES, new CButton(CRect(BottomRight - CPoint(50, 18), BottomRight), this, L"Yes")));
          BottomRight = BottomRight - CPoint(60, 0);
     }
     FitToText();
}


void CMessageBox::FitToText(void)
{
     CPoint TextRect;
     m_pMessageLabel->GetRenderedString()->GetMetrics(&TextRect);
     CRect LabelRect = m_pMessageLabel->GetWindowRect();
     CPoint Offset(TextRect.XPos() - LabelRect.Width(), TextRect.YPos() - LabelRect.Height());
     m_pMessageLabel->SetWindowRect(CRect(10, 10, 10 + TextRect.XPos(), 10 + TextRect.YPos()));
     SetWindowRect(CRect(m_WindowRect.TopLeft(), m_WindowRect.BottomRight() + Offset));
     for (std::map<EButton, CButton*>::iterator iter = m_ButtonMap.begin(); iter != m_ButtonMap.end(); ++iter)
     {
          iter->second->SetWindowRect(iter->second->GetWindowRect() + Offset);
     }
}


bool CMessageBox::HandleMessage(CMessage* pMessage)
{
     bool bHandled = false;

     if (pMessage)
     {
          switch(pMessage->MessageType())
          {
          case CMessage::CTRL_SINGLELCLICK:
          {
               if (pMessage->Destination() == this)
               {
                    for (std::map<EButton, CButton*>::iterator iter = m_ButtonMap.begin(); iter != m_ButtonMap.end(); ++iter)
                    {
                         if (pMessage->Source() == iter->second)
                         {
                              CMessageServer::Instance().QueueMessage(new CValueMessage<CMessageBox::EButton>(CMessage::CTRL_MESSAGEBOXRETURN, m_pParentWindow, 0, iter->first));
                              CloseFrame();
                              bHandled = true;
                              break;
                         }
                    }
               }
               break;
          }
          default:
               break;
          }
          if (!bHandled)
          {
               bHandled = CFrame::HandleMessage(pMessage);
          }
     }

     return bHandled;
}

}

---