krdc/kremoteview.cpp

   1 /***************************************************************************
   2                    kremoteview.cpp  -  widget that shows the remote framebuffer
   3                              -------------------
   4     begin                : Wed Dec 26 00:21:14 CET 2002
   5     copyright            : (C) 2002-2003 by Tim Jansen
   6     email                : tim@tjansen.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "kremoteview.h"
  19
  20 KRemoteView::KRemoteView(QWidget *parent,
  21                          Qt::WFlags f) :
  22         QWidget(parent, f),
  23         m_status(REMOTE_VIEW_DISCONNECTED)
  24 {
  25 }
  26
  27 enum RemoteViewStatus KRemoteView::status() {
  28         return m_status;
  29 }
  30
  31 void KRemoteView::setStatus(RemoteViewStatus s) {
  32         if (m_status == s)
  33                 return;
  34
  35         if (((1+(int)m_status) != (int)s) &&
  36             (s != REMOTE_VIEW_DISCONNECTED)) {
  37                 // follow state transition rules
  38
  39                 if (s == REMOTE_VIEW_DISCONNECTING) {
  40                     if (m_status == REMOTE_VIEW_DISCONNECTED)
  41                         return;
  42                 }
  43                 else {
  44                         Q_ASSERT(((int) s) >= 0);
  45                         if (((int)m_status) > ((int)s) ) {
  46                                 m_status = REMOTE_VIEW_DISCONNECTED;
  47                                 emit statusChanged(REMOTE_VIEW_DISCONNECTED);
  48                         }
  49                         // smooth state transition
  50                         int origState = (int)m_status;
  51                         for (int i = origState; i < (int)s; i++) {
  52                                 m_status = (RemoteViewStatus) i;
  53                                 emit statusChanged((RemoteViewStatus) i);
  54                         }
  55                 }
  56         }
  57         m_status = s;
  58         emit statusChanged(m_status);
  59 }
  60
  61 KRemoteView::~KRemoteView() {
  62 }
  63
  64 bool KRemoteView::supportsScaling() const {
  65         return false;
  66 }
  67
  68 bool KRemoteView::supportsLocalCursor() const {
  69         return false;
  70 }
  71
  72 void KRemoteView::showDotCursor(DotCursorState) {
  73 }
  74
  75 DotCursorState KRemoteView::dotCursorState() const {
  76         return DOT_CURSOR_OFF;
  77 }
  78
  79 bool KRemoteView::scaling() const {
  80         return false;
  81 }
  82
  83 void KRemoteView::enableScaling(bool) {
  84 }
  85
  86 void KRemoteView::switchFullscreen(bool) {
  87 }
  88
  89 #include "kremoteview.moc"