sessdlgfullcf.cs

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//  Copyright (C) 2005, 2007 Rocky Lo. All Rights Reserved.
//
//  This file is part of the VNC system.
//
//  The VNC system is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
//  USA.
//
// If the source code for the VNC system is not available from the place 
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on [e-mail] for information on obtaining it.

using System;
using System.IO;
using System.Xml;
using System.Drawing;
using System.Windows.Forms;

namespace Vnc.Viewer
{
  internal abstract class SessDlgFullCf : SessDlg
  {
    protected TabControl tabCtrl = new TabControl();
    protected Button okBtn = new Button();
    protected Button cancelBtn = new Button();
    protected Button aboutBtn = new Button();

    protected TabPage generalPage = new TabPage();
    protected ListBox recentBox = new ListBox();

    protected TabPage connModePage = new TabPage();

    protected TabPage displayPage = new TabPage();

    protected TabPage scalingPage = new TabPage();

    protected TabPage othersPage = new TabPage();

    protected TabPage saveLoadPage = new TabPage();
    protected Button saveConnOptsBtn = new Button();
    protected Button saveConnOptsPwdBtn = new Button();
    protected Button loadConnOptsBtn = new Button();
    protected Button saveDefsBtn = new Button();
    protected Button restoreDefsBtn = new Button();

    internal SessDlgFullCf() : base()
    {}

    internal SessDlgFullCf(ViewOpts viewOpts) : base(viewOpts)
    {}

    private void KeyPressed(object sender, KeyPressEventArgs e)
    {
      e.Handled = true;
      if(e.KeyChar == (UInt32)Keys.Enter)
      {
        // For buttons, we will not be here because KeyDown has dismissed the dialog.
        Ok();
      }
      else if(e.KeyChar == (UInt32)Keys.Escape)
        Cancel();
      else
        e.Handled = false;
    }

    private void SaveConnOpts(bool savePwd)
    {
      if(!ValidateCliScaling())
        return;
      GetConnMode();
      if(ConnMode == ConnMode.Active)
      {
        if(!ValidateHostPort())
          return;
      }
      else
      {
        if(!ValidateListenPort())
          return;
      }
      GetPasswd();
      GetOptions();

      SaveFileDialog dlg = new SaveFileDialog();
      dlg.Filter = App.GetStr("VNC files (*.vncxml)|*.vncxml|All files (*.*)|*.*");
      if(dlg.ShowDialog() != DialogResult.OK)
        return;

      try
      {
        ConnOpts.Save(dlg.FileName, savePwd);
      }
      catch(IOException)
      {
        MessageBox.Show(App.GetStr("Unable to save!"),
                        App.GetStr("Error"),
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Exclamation,
                        MessageBoxDefaultButton.Button1);
      }
    }

    private void SaveConnOptsClicked(object sender, EventArgs e)
    {
      SaveConnOpts(false);
    }

    private void SaveConnOptsPwdClicked(object sender, EventArgs e)
    {
      SaveConnOpts(true);
    }

    private void LoadConnOptsClicked(object sender, EventArgs e)
    {
      OpenFileDialog dlg = new OpenFileDialog();
      dlg.Filter = App.GetStr("VNC files (*.vncxml)|*.vncxml|All files (*.*)|*.*");
      if(dlg.ShowDialog() != DialogResult.OK)
        return;

      ConnOpts connOpts;
      try
      {
        connOpts = new ConnOpts(dlg.FileName);
      }
      catch(FileNotFoundException)
      {
        MessageBox.Show(App.GetStr("Unable to open the file!"),
                        App.GetStr("Error"),
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Exclamation,
                        MessageBoxDefaultButton.Button1);
        return;
      }
      catch(IOException)
      {
        MessageBox.Show(App.GetStr("Unable to read from the file!"),
                        App.GetStr("Error"),
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Exclamation,
                        MessageBoxDefaultButton.Button1);
        return;
      }
      catch(XmlException)
      {
        MessageBox.Show(App.GetStr("The file is corrupted!"),
                        App.GetStr("Error"),
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Exclamation,
                        MessageBoxDefaultButton.Button1);
        return;
      }
      catch(FormatException)
      {
        MessageBox.Show(App.GetStr("The file is corrupted!"),
                        App.GetStr("Error"),
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Exclamation,
                        MessageBoxDefaultButton.Button1);
        return;
      }
      listenBox.Checked = connOpts.ConnMode == ConnMode.Passive;
      if(connOpts.ConnMode == ConnMode.Active)
        remoteEndPt.Text = connOpts.Host + "::" + connOpts.Port;
      else
        listenPortBox.Text = connOpts.Port.ToString();
      passwdBox.Text = connOpts.Passwd;
      SetOptions(connOpts.ViewOpts);
    }

    protected override void AddConnHistEntry(string entry)
    {
      recentBox.Items.Add(entry);
    }

    private void RecentBoxChanged(object sender, EventArgs e)
    {
      if(ConnMode == ConnMode.Active)
        remoteEndPt.Text = recentBox.Text;
    }

    protected override void OnResize(EventArgs e)
    {
      base.OnResize(e);
      aboutBtn.Location = new Point(ClientRectangle.Right - App.DialogSpacing - aboutBtn.Width, ClientRectangle.Bottom - App.DialogSpacing - aboutBtn.Height);
      cancelBtn.Location = new Point(aboutBtn.Left - App.DialogSpacing - cancelBtn.Width, ClientRectangle.Bottom - App.DialogSpacing - cancelBtn.Height);
      okBtn.Location = new Point(cancelBtn.Left - App.DialogSpacing - okBtn.Width, cancelBtn.Top);
      tabCtrl.Size = new Size(aboutBtn.Right - tabCtrl.Left, aboutBtn.Top - App.DialogSpacing - tabCtrl.Top);
      remoteEndPt.Width = generalPage.ClientRectangle.Right - App.DialogSpacing - remoteEndPt.Left;
      remoteEndPtLbl.Width = generalPage.ClientRectangle.Right - remoteEndPtLbl.Left;
      passwdBox.Width = generalPage.ClientRectangle.Right - App.DialogSpacing - passwdBox.Left;
      recentBox.Width = generalPage.ClientRectangle.Right - App.DialogSpacing - recentBox.Left;
      recentBox.Height = generalPage.ClientRectangle.Bottom - App.DialogSpacing - recentBox.Top;
      listenBox.Width = connModePage.ClientRectangle.Right - listenBox.Left;