RetroShare/retroshare-gui/src/gui/bwgraph/bwgraph.cpp
2012-03-28 18:02:49 +00:00

315 lines
9.5 KiB
C++

/****************************************************************
* This file is distributed under the following license:
*
* Copyright (c) 2006-2007, crypton
* Copyright (c) 2006, Matt Edman, Justin Hipple
*
* This program 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include <rshare.h>
#include <control/bandwidthevent.h>
#include "bwgraph.h"
#include <retroshare-gui/RsAutoUpdatePage.h>
#include <retroshare/rsiface.h>
#include <iomanip>
#include <unistd.h>
#define BWGRAPH_LINE_SEND (1u<<0)
#define BWGRAPH_LINE_RECV (1u<<1)
#define SETTING_FILTER "LineFilter"
#define SETTING_OPACITY "Opacity"
#define SETTING_ALWAYS_ON_TOP "AlwaysOnTop"
#define SETTING_STYLE "GraphStyle"
#define DEFAULT_FILTER (BWGRAPH_LINE_SEND|BWGRAPH_LINE_RECV)
#define DEFAULT_ALWAYS_ON_TOP false
#define DEFAULT_OPACITY 100
#define DEFAULT_STYLE GraphFrame::AreaGraph
#define ADD_TO_FILTER(f,v,b) (f = ((b) ? ((f) | (v)) : ((f) & ~(v))))
/* Define the format used for displaying the date and time */
#define DATETIME_FMT "MMM dd hh:mm:ss"
/* Images used in the graph style drop-down */
#define IMG_AREA_GRAPH ":/images/16x16/graph-area.png"
#define IMG_LINE_GRAPH ":/images/16x16/graph-line.png"
/** Default constructor */
BandwidthGraph::BandwidthGraph(QWidget *parent, Qt::WFlags flags)
: RWindow("BandwidthGraph", parent, flags)
{
/* Invoke Qt Designer generated QObject setup routine */
ui.setupUi(this);
#if defined(Q_WS_WIN)
setShortcut("Esc", SLOT(close()));
#else
setShortcut("Ctrl+W", SLOT(close()));
#endif
/* Bind events to actions */
createActions();
/* Ask RetroShare core to notify us about bandwidth updates */
//_rsControl = RetroShare::rsControl();
//_rsControl->setEvent(REvents::Bandwidth, this, true);
/* Initialize Sent/Receive data counters */
reset();
/* Hide Bandwidth Graph Settings frame */
showSettingsFrame(false);
/* Load the previously saved settings */
loadSettings();
/* Turn off opacity group on unsupported platforms */
#if defined(Q_WS_WIN)
if(!(QSysInfo::WV_2000 <= QSysInfo::WindowsVersion && QSysInfo::WindowsVersion <= QSysInfo::WV_2003)) {
ui.frmOpacity->setVisible(false);
}
#endif
#if defined(Q_WS_X11)
ui.frmOpacity->setVisible(false);
#endif
QTimer *timer = new QTimer(this);
timer->connect(timer, SIGNAL(timeout()), this, SLOT(updategraphstatus()));
timer->start(5113);
}
/** Custom event handler. Checks if the event is a bandwidth update event. If it
* is, it will add the data point to the history and updates the graph. */
void
BandwidthGraph::customEvent(QEvent *event)
{
if (event->type() == CustomEventType::BandwidthEvent) {
BandwidthEvent *bw = (BandwidthEvent *)event;
updateGraph(bw->bytesRead(), bw->bytesWritten());
}
}
void
BandwidthGraph::timerEvent( QTimerEvent * )
{
/* set users/friends/network */
/*float downKb = 0;
float upKb = 0;
rsicontrol -> ConfigGetDataRates(downKb, upKb);
updateGraph(downKb,upKb);*/
}
void
BandwidthGraph::updategraphstatus( )
{
if(RsAutoUpdatePage::eventsLocked())
return ;
/* set users/friends/network */
float downKb = 0;
float upKb = 0;
rsicontrol -> ConfigGetDataRates(downKb, upKb);
updateGraph(downKb,upKb);
}
/** Binds events to actions. */
void
BandwidthGraph::createActions()
{
connect(ui.btnToggleSettings, SIGNAL(toggled(bool)),
this, SLOT(showSettingsFrame(bool)));
connect(ui.btnReset, SIGNAL(clicked()),
this, SLOT(reset()));
connect(ui.btnSaveSettings, SIGNAL(clicked()),
this, SLOT(saveChanges()));
connect(ui.btnCancelSettings, SIGNAL(clicked()),
this, SLOT(cancelChanges()));
connect(ui.sldrOpacity, SIGNAL(valueChanged(int)),
this, SLOT(setOpacity(int)));
}
/** Adds new data to the graph. */
void
BandwidthGraph::updateGraph(qreal bytesRead, qreal bytesWritten)
{
/* Graph only cares about kilobytes */
ui.frmGraph->addPoints(bytesRead/*/1024.0*/, bytesWritten/*/1024.0*/);
}
/** Loads the saved Bandwidth Graph settings. */
void
BandwidthGraph::loadSettings()
{
/* Set window opacity slider widget */
ui.sldrOpacity->setValue(getSetting(SETTING_OPACITY, DEFAULT_OPACITY).toInt());
setOpacity(ui.sldrOpacity->value());
/* Set whether the window appears on top. */
ui.chkAlwaysOnTop->setChecked(getSetting(SETTING_ALWAYS_ON_TOP,
DEFAULT_ALWAYS_ON_TOP).toBool());
if (ui.chkAlwaysOnTop->isChecked()) {
setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
} else {
setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
}
/* Set the line filter checkboxes accordingly */
uint filter = getSetting(SETTING_FILTER, DEFAULT_FILTER).toUInt();
ui.chkReceiveRate->setChecked(filter & BWGRAPH_LINE_RECV);
ui.chkSendRate->setChecked(filter & BWGRAPH_LINE_SEND);
/* Set whether we are plotting bandwidth as area graphs or not */
int graphStyle = getSetting(SETTING_STYLE, DEFAULT_STYLE).toInt();
if (graphStyle < 0 || graphStyle >= ui.cmbGraphStyle->count()) {
graphStyle = DEFAULT_STYLE;
}
ui.cmbGraphStyle->setCurrentIndex(graphStyle);
ui.frmGraph->setGraphStyle((GraphFrame::GraphStyle)graphStyle);
/* Set graph frame settings */
ui.frmGraph->setShowCounters(ui.chkReceiveRate->isChecked(),
ui.chkSendRate->isChecked());
}
/** Resets the log start time. */
void
BandwidthGraph::reset()
{
/* Set to current time */
ui.statusbar->showMessage(tr("Since:") + " " +
QDateTime::currentDateTime()
.toString(DATETIME_FMT));
/* Reset the graph */
ui.frmGraph->resetGraph();
}
/** Saves the Bandwidth Graph settings and adjusts the graph if necessary. */
void
BandwidthGraph::saveChanges()
{
/* Hide the settings frame and reset toggle button */
showSettingsFrame(false);
/* Save the opacity and graph style */
saveSetting(SETTING_OPACITY, ui.sldrOpacity->value());
saveSetting(SETTING_STYLE, ui.cmbGraphStyle->currentIndex());
/* Save the Always On Top setting */
saveSetting(SETTING_ALWAYS_ON_TOP, ui.chkAlwaysOnTop->isChecked());
if (ui.chkAlwaysOnTop->isChecked()) {
setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
} else {
setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
}
setOpacity(ui.sldrOpacity->value());
/* Save the line filter values */
uint filter = 0;
ADD_TO_FILTER(filter, BWGRAPH_LINE_RECV, ui.chkReceiveRate->isChecked());
ADD_TO_FILTER(filter, BWGRAPH_LINE_SEND, ui.chkSendRate->isChecked());
saveSetting(SETTING_FILTER, filter);
/* Update the graph frame settings */
ui.frmGraph->setShowCounters(ui.chkReceiveRate->isChecked(),
ui.chkSendRate->isChecked());
ui.frmGraph->setGraphStyle((GraphFrame::GraphStyle)ui.cmbGraphStyle->currentIndex());
/* A change in window flags causes the window to disappear, so make sure
* it's still visible. */
showNormal();
}
/** Simply restores the previously saved settings. */
void
BandwidthGraph::cancelChanges()
{
/* Hide the settings frame and reset toggle button */
showSettingsFrame(false);
/* Reload the settings */
loadSettings();
}
/** Toggles the Settings pane on and off, changes toggle button text. */
void
BandwidthGraph::showSettingsFrame(bool show)
{
static QSize minSize = minimumSize();
QSize newSize = size();
if (show) {
/* Extend the bottom of the bandwidth graph and show the settings */
ui.frmSettings->setVisible(true);
ui.btnToggleSettings->setChecked(true);
ui.btnToggleSettings->setText(tr("Hide Settings"));
/* 6 = vertical spacing between the settings frame and graph frame */
newSize.setHeight(newSize.height() + ui.frmSettings->height() + 6);
} else {
/* Shrink the height of the bandwidth graph and hide the settings */
ui.frmSettings->setVisible(false);
ui.btnToggleSettings->setChecked(false);
ui.btnToggleSettings->setText(tr("Show Settings"));
/* 6 = vertical spacing between the settings frame and graph frame */
newSize.setHeight(newSize.height() - ui.frmSettings->height() - 6);
setMinimumSize(minSize);
}
resize(newSize);
}
/** Sets the opacity of the Bandwidth Graph window. */
void
BandwidthGraph::setOpacity(int value)
{
qreal newValue = value / 100.0;
/* Opacity only supported by Mac and Win32 */
#if defined(Q_WS_MAC)
this->setWindowOpacity(newValue);
ui.lblPercentOpacity->setText(QString::number(value));
#elif defined(Q_WS_WIN)
if(QSysInfo::WV_2000 <= QSysInfo::WindowsVersion && QSysInfo::WindowsVersion <= QSysInfo::WV_2003) {
this->setWindowOpacity(newValue);
ui.lblPercentOpacity->setText(QString::number(value));
}
#else
Q_UNUSED(newValue);
#endif
}
/** Overloads the default show() slot so we can set opacity. */
void
BandwidthGraph::showWindow()
{
/* Load saved settings */
loadSettings();
/* Show the window */
RWindow::showWindow();
}