attach/attachdialog.cpp

   1 /*
   2   attachdialog.h
   3
   4   This file is part of GammaRay, the Qt application inspection and
   5   manipulation tool.
   6
   7   Copyright (C) 2010-2011 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
   8   Author: Milian Wolff <milian.wolff@kdab.com>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation, either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "attachdialog.h"
  25
  26 #include "processfiltermodel.h"
  27 #include "processmodel.h"
  28
  29 #include <QPushButton>
  30 #include <QStandardItemModel>
  31 #include <QListView>
  32 #include <QTimer>
  33 #include <QFutureWatcher>
  34 #include <QtConcurrentRun>
  35
  36 using namespace GammaRay;
  37
  38 AttachDialog::AttachDialog(QWidget *parent, Qt::WindowFlags f)
  39 : QDialog(parent, f)
  40 {
  41   ui.setupUi(this);
  42   ui.buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Attach"));
  43
  44   m_model = new ProcessModel(this);
  45
  46   m_proxyModel = new ProcessFilterModel(this);
  47   m_proxyModel->setSourceModel(m_model);
  48   m_proxyModel->setDynamicSortFilter(true);
  49
  50   ui.view->setModel(m_proxyModel);
  51   // hide state
  52   ui.view->hideColumn(ProcessModel::StateColumn);
  53   ui.view->sortByColumn(ProcessModel::NameColumn, Qt::AscendingOrder);
  54   ui.view->setSortingEnabled(true);
  55
  56   ui.view->setEditTriggers(QAbstractItemView::NoEditTriggers);
  57
  58   ui.view->setSelectionBehavior(QAbstractItemView::SelectRows);
  59   ui.view->setSelectionMode(QAbstractItemView::SingleSelection);
  60   connect(ui.view->selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
  61           this, SLOT(selectionChanged()));
  62
  63   connect(ui.view, SIGNAL(activated(QModelIndex)),
  64           ui.buttonBox->button(QDialogButtonBox::Ok), SLOT(click()));
  65
  66   ui.filter->setProxy(m_proxyModel);
  67
  68   setWindowTitle(tr("GammaRay - Attach to Process"));
  69   setWindowIcon(QIcon(":gammaray/GammaRay-128x128.png"));
  70
  71   m_timer = new QTimer(this);
  72   connect(m_timer, SIGNAL(timeout()), this, SLOT(updateProcesses()));
  73   m_timer->start(1000);
  74
  75   // set process list syncronously the first time
  76   m_model->setProcesses(processList());
  77   selectionChanged();
  78 }
  79
  80 void AttachDialog::selectionChanged()
  81 {
  82   ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(ui.view->currentIndex().isValid());
  83 }
  84
  85 QString AttachDialog::pid() const
  86 {
  87   return ui.view->currentIndex().data(ProcessModel::PIDRole).toString();
  88 }
  89
  90 void AttachDialog::updateProcesses()
  91 {
  92   QFutureWatcher<ProcDataList>* watcher = new QFutureWatcher<ProcDataList>(this);
  93   connect(watcher, SIGNAL(finished()),
  94           this, SLOT(updateProcessesFinished()));
  95   watcher->setFuture(QtConcurrent::run(processList));
  96 }
  97
  98 void AttachDialog::updateProcessesFinished()
  99 {
 100   QFutureWatcher<ProcDataList>* watcher = dynamic_cast<QFutureWatcher<ProcDataList>*>(sender());
 101   Q_ASSERT(watcher);
 102   const QString oldPid = pid();
 103   m_model->mergeProcesses(watcher->result());
 104   if (oldPid != pid()) {
 105     ui.view->setCurrentIndex(QModelIndex());
 106   }
 107   watcher->deleteLater();
 108 }
 109
 110 #include "attachdialog.moc"