mirror of
https://github.com/ElvishArtisan/rivendell.git
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Initial import of CVS-v2_8_branch
This commit is contained in:
Fred Gleason
384
rdselect/rdselect.cpp
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384
rdselect/rdselect.cpp
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// rdselect.h
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//
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// System Selector for Rivendell
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//
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// (C) Copyright 2012 Fred Gleason <fredg@paravelsystems.com>
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//
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// $Id: rdselect.cpp,v 1.1.2.9 2014/01/21 21:59:33 cvs Exp $
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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 General Public License version 2 as
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// published by the Free Software Foundation.
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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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <errno.h>
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#include <qapplication.h>
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#include <qwindowsstyle.h>
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#include <qpainter.h>
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#include <qmessagebox.h>
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#include <qlabel.h>
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#include <qtextcodec.h>
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#include <qtranslator.h>
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#include <qdir.h>
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#include <rd.h>
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#include <rdconf.h>
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#include <rdcmd_switch.h>
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#include <rdstatus.h>
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#include <dbversion.h>
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#include <rdselect.h>
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//
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// Icons
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//
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#include "../icons/rivendell-22x22.xpm"
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#include "../icons/greencheckmark.xpm"
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#include "../icons/redx.xpm"
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MainWidget::MainWidget(QWidget *parent,const char *name)
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:QWidget(parent,name)
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{
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//
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// Read Command Options
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//
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RDCmdSwitch *cmd=new RDCmdSwitch(qApp->argc(),qApp->argv(),"rdselect","\n");
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delete cmd;
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//
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// Read Configuration
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//
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monitor_config=new RDMonitorConfig();
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monitor_config->load();
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QDesktopWidget *dw=qApp->desktop();
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int width=sizeHint().width();
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int height=sizeHint().height();
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switch(monitor_config->position()) {
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case RDMonitorConfig::UpperLeft:
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setGeometry(0,RDMONITOR_HEIGHT,width,sizeHint().height());
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break;
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case RDMonitorConfig::UpperCenter:
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setGeometry((dw->size().width()-width)/2,RDMONITOR_HEIGHT,width,height);
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break;
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case RDMonitorConfig::UpperRight:
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setGeometry(dw->size().width()-width,RDMONITOR_HEIGHT,width,height);
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break;
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case RDMonitorConfig::LowerLeft:
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setGeometry(0,dw->size().height()-height+RDMONITOR_HEIGHT,width,height);
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break;
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case RDMonitorConfig::LowerCenter:
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setGeometry((dw->size().width()-width)/2,
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dw->size().height()-height+RDMONITOR_HEIGHT,width,height);
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break;
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case RDMonitorConfig::LowerRight:
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setGeometry(dw->size().width()-width,
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dw->size().height()-height+RDMONITOR_HEIGHT,width,height);
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break;
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case RDMonitorConfig::LastPosition:
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break;
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}
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//
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// Fix the Window Size
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//
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setMinimumWidth(sizeHint().width());
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setMinimumHeight(sizeHint().height());
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//
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// Generate Fonts
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//
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QFont default_font("Helvetica",12,QFont::Normal);
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default_font.setPixelSize(12);
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qApp->setFont(default_font);
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QFont button_font=QFont("Helvetica",12,QFont::Bold);
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button_font.setPixelSize(12);
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QFont label_font=QFont("Helvetica",16,QFont::Bold);
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label_font.setPixelSize(16);
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//
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// Create And Set Icons
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//
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login_rivendell_map=new QPixmap(rivendell_xpm);
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setIcon(*login_rivendell_map);
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setCaption(tr("RDSelect")+" v"+VERSION);
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greencheckmark_map=new QPixmap(greencheckmark_xpm);
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redx_map=new QPixmap(redx_xpm);
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//
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// Load Configs
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//
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select_current_id=-1;
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char target[1500];
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ssize_t n;
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if((n=readlink(RD_CONF_FILE,target,1500))>0) {
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target[n]=0;
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}
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else {
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target[0]=0;
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}
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QDir config_dir(RD_DEFAULT_RDSELECT_DIR);
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config_dir.setFilter(QDir::Files|QDir::Readable);
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config_dir.setNameFilter("*.conf");
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select_filenames=config_dir.entryList();
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for(unsigned i=0;i<select_filenames.size();i++) {
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select_filenames[i]=
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QString(RD_DEFAULT_RDSELECT_DIR)+"/"+select_filenames[i];
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if(select_filenames[i]==target) {
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select_current_id=i;
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}
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select_configs.push_back(new RDConfig());
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select_configs.back()->setFilename(select_filenames[i]);
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select_configs.back()->load();
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}
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//
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// Current System Label
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//
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select_current_label=new QLabel(this);
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select_current_label->setFont(label_font);
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select_current_label->setAlignment(AlignCenter);
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//
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// Selector Box
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//
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select_box=new QListBox(this);
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select_box->setFont(default_font);
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connect(select_box,SIGNAL(doubleClicked(QListBoxItem *)),
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this,SLOT(doubleClickedData(QListBoxItem *)));
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for(unsigned i=0;i<select_configs.size();i++) {
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select_box->insertItem(select_configs[i]->label());
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}
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select_label=new QLabel(select_box,tr("Available Systems"),this);
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select_label->setFont(button_font);
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//
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// Ok Button
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//
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ok_button=new QPushButton(this);
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ok_button->setFont(button_font);
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ok_button->setText(tr("Select"));
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connect(ok_button,SIGNAL(clicked()),this,SLOT(okData()));
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//
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// Cancel Button
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//
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cancel_button=new QPushButton(this,"cancel_button");
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cancel_button->setFont(button_font);
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cancel_button->setText(tr("&Cancel"));
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connect(cancel_button,SIGNAL(clicked()),this,SLOT(cancelData()));
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SetSystem(select_current_id);
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SetCurrentItem(select_current_id);
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select_box->clearSelection();
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//
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// Check for Root User
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//
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setuid(geteuid()); // So the SETUID bit works as expected
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if(getuid()!=0) {
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QMessageBox::information(this,tr("RDSelect"),
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tr("Only root can run this utility!"));
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exit(256);
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}
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}
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QSize MainWidget::sizeHint() const
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{
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return QSize(400,300);
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}
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QSizePolicy MainWidget::sizePolicy() const
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{
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return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
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}
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void MainWidget::doubleClickedData(QListBoxItem *item)
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{
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okData();
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}
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void MainWidget::okData()
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{
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if(RDModulesActive()) {
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QMessageBox::information(this,tr("RDSelect"),
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tr("One or more Rivendell modules are still open."));
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return;
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}
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if(!VerifyShutdown()) {
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return;
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}
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if(!Shutdown(select_current_id)) {
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SetSystem(-1);
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QMessageBox::warning(this,tr("RDSelect"),
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tr("Unable to shutdown current configuration")+
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"\n["+strerror(errno)+"].");
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return;
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}
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if(!Startup(select_box->currentItem())) {
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SetSystem(-1);
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QMessageBox::warning(this,tr("RDSelect"),
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tr("Unable to start up new configuration"));
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}
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SetSystem(select_box->currentItem());
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exit(0);
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}
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void MainWidget::cancelData()
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{
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exit(0);
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}
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void MainWidget::resizeEvent(QResizeEvent *e)
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{
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select_current_label->setGeometry(0,10,size().width(),21);
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select_label->setGeometry(10,35,size().width()-20,20);
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select_box->setGeometry(10,55,size().width()-20,size().height()-125);
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ok_button->setGeometry(size().width()-180,size().height()-60,80,50);
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cancel_button->setGeometry(size().width()-90,size().height()-60,80,50);
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}
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bool MainWidget::Shutdown(int id)
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{
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RDConfig *conf=select_configs[id];
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if(system("/etc/init.d/rivendell stop")!=0) {
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return false;
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}
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system(QString("umount ")+conf->audioRoot());
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return true;
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}
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bool MainWidget::Startup(int id)
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{
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RDConfig *conf=select_configs[id];
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if(!conf->audioStoreMountSource().isEmpty()) {
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QString cmd=QString("mount");
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if(!conf->audioStoreMountType().isEmpty()) {
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cmd+=" -t "+conf->audioStoreMountType();
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}
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if(!conf->audioStoreMountOptions().isEmpty()) {
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cmd+=" -o "+conf->audioStoreMountOptions();
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}
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cmd+=" "+conf->audioStoreMountSource()+" "+
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conf->audioRoot();
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if(system(cmd)!=0) {
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return false;
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}
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}
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unlink(RD_CONF_FILE);
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symlink(select_filenames[id],RD_CONF_FILE);
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if(system("/etc/init.d/rivendell start")!=0) {
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return false;
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}
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return true;
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}
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void MainWidget::SetSystem(int id)
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{
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QString text=tr("None");
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if(id>=0) {
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text=select_configs[id]->label();
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}
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select_current_label->setText(tr("Current System:")+" "+text);
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select_current_id=id;
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}
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bool MainWidget::VerifyShutdown() const
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{
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return true;
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}
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void MainWidget::SetCurrentItem(int id)
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{
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QPixmap *pix=redx_map;
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int schema=0;
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bool db_ok=RDDbValid(select_configs[select_current_id],&schema);
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bool snd_ok=RDAudioStoreValid(select_configs[select_current_id]);
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if(db_ok&(schema==RD_VERSION_DATABASE)&&snd_ok) {
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pix=greencheckmark_map;
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}
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for(unsigned i=0;i<select_box->count();i++) {
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if((int)i==id) {
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select_box->changeItem(*pix,select_configs[i]->label(),i);
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}
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else {
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select_box->changeItem(select_configs[i]->label(),i);
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}
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}
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}
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int main(int argc,char *argv[])
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{
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QApplication a(argc,argv);
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//
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// Load Translations
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//
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QTranslator qt(0);
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qt.load(QString(QTDIR)+QString("/translations/qt_")+QTextCodec::locale(),
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".");
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a.installTranslator(&qt);
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QTranslator rd(0);
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rd.load(QString(PREFIX)+QString("/share/rivendell/librd_")+
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QTextCodec::locale(),".");
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a.installTranslator(&rd);
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QTranslator rdhpi(0);
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rdhpi.load(QString(PREFIX)+QString("/share/rivendell/librdhpi_")+
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QTextCodec::locale(),".");
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a.installTranslator(&rdhpi);
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QTranslator tr(0);
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tr.load(QString(PREFIX)+QString("/share/rivendell/rdselect_")+
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QTextCodec::locale(),".");
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a.installTranslator(&tr);
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//
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// Start Event Loop
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//
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MainWidget *w=new MainWidget(NULL,"main");
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a.setMainWidget(w);
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w->show();
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return a.exec();
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}
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