mirror of
https://github.com/RetroShare/RetroShare.git
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260 lines
9.0 KiB
C++
260 lines
9.0 KiB
C++
/*******************************************************************************
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* gui/statistics/BandwidthGraphWindow.cpp *
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* *
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* Copyright (c) 2006-2007, crypton *
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* Copyright (c) 2006, Matt Edman, Justin Hipple *
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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 Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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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 Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include <rshare.h>
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#include <control/bandwidthevent.h>
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#include <gui/statistics/BandwidthGraphWindow.h>
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#include <retroshare-gui/RsAutoUpdatePage.h>
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#include <retroshare/rsconfig.h>
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#include <iomanip>
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#include <unistd.h>
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#define BWGRAPH_LINE_SEND (1u<<0)
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#define BWGRAPH_LINE_RECV (1u<<1)
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#define SETTING_FILTER "LineFilter"
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#define SETTING_OPACITY "Opacity"
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#define SETTING_ALWAYS_ON_TOP "AlwaysOnTop"
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#define SETTING_STYLE "GraphStyle"
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#define DEFAULT_FILTER (BWGRAPH_LINE_SEND|BWGRAPH_LINE_RECV)
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#define DEFAULT_ALWAYS_ON_TOP false
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#define DEFAULT_OPACITY 100
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#define DEFAULT_STYLE LineGraph
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#define ADD_TO_FILTER(f,v,b) (f = ((b) ? ((f) | (v)) : ((f) & ~(v))))
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/* Define the format used for displaying the date and time */
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#define DATETIME_FMT "MMM dd hh:mm:ss"
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/* Images used in the graph style drop-down */
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#define IMG_AREA_GRAPH ":/images/16x16/graph-area.png"
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#define IMG_LINE_GRAPH ":/images/16x16/graph-line.png"
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/** Default constructor */
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BandwidthGraph::BandwidthGraph(QWidget *parent, Qt::WindowFlags flags)
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: RWindow("BandwidthGraph", parent, flags)
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{
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/* Invoke Qt Designer generated QObject setup routine */
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ui.setupUi(this);
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#if defined(Q_OS_WIN)
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setShortcut("Esc", SLOT(close()));
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#else
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setShortcut("Ctrl+W", SLOT(close()));
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#endif
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/* Bind events to actions */
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createActions();
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/* Ask RetroShare core to notify us about bandwidth updates */
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//_rsControl = RetroShare::rsControl();
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//_rsControl->setEvent(REvents::Bandwidth, this, true);
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/* Initialize Sent/Receive data counters */
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reset();
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/* Hide Bandwidth Graph Settings frame */
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showSettingsFrame(false);
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/* Load the previously saved settings */
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loadSettings();
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/* Turn off opacity group on unsupported platforms */
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#if defined(Q_OS_WIN)
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if(!(QSysInfo::WV_2000 <= QSysInfo::WindowsVersion)) {
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ui.frmOpacity->setVisible(false);
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}
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#endif
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#if defined(Q_OS_LINUX)
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ui.frmOpacity->setVisible(false);
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#endif
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}
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/** Binds events to actions. */
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void
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BandwidthGraph::createActions()
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{
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connect(ui.btnToggleSettings, SIGNAL(toggled(bool)), this, SLOT(showSettingsFrame(bool)));
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connect(ui.btnReset, SIGNAL(clicked()), this, SLOT(reset()));
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connect(ui.btnSaveSettings, SIGNAL(clicked()), this, SLOT(saveChanges()));
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connect(ui.btnCancelSettings, SIGNAL(clicked()), this, SLOT(cancelChanges()));
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connect(ui.sldrOpacity, SIGNAL(valueChanged(int)), this, SLOT(setOpacity(int)));
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}
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/** Loads the saved Bandwidth Graph settings. */
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void
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BandwidthGraph::loadSettings()
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{
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/* Set window opacity slider widget */
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ui.sldrOpacity->setValue(getSetting(SETTING_OPACITY, DEFAULT_OPACITY).toInt());
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setOpacity(ui.sldrOpacity->value());
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/* Set whether the window appears on top. */
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ui.chkAlwaysOnTop->setChecked(getSetting(SETTING_ALWAYS_ON_TOP, DEFAULT_ALWAYS_ON_TOP).toBool());
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if (ui.chkAlwaysOnTop->isChecked()) {
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setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
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} else {
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setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
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}
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/* Set the line filter checkboxes accordingly */
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uint filter = getSetting(SETTING_FILTER, DEFAULT_FILTER).toUInt();
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ui.chkReceiveRate->setChecked(filter & BWGRAPH_LINE_RECV);
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ui.chkSendRate->setChecked(filter & BWGRAPH_LINE_SEND);
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/* Set whether we are plotting bandwidth as area graphs or not */
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int graphStyle = getSetting(SETTING_STYLE, DEFAULT_STYLE).toInt();
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if (graphStyle < 0 || graphStyle >= ui.cmbGraphStyle->count()) {
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graphStyle = DEFAULT_STYLE;
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}
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ui.cmbGraphStyle->setCurrentIndex(graphStyle);
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if(graphStyle==0)
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ui.frmGraph->resetFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_PLAIN);
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else
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ui.frmGraph->setFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_PLAIN);
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/* Set graph frame settings */
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ui.frmGraph->setShowEntry(0,ui.chkReceiveRate->isChecked()) ;
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ui.frmGraph->setShowEntry(1,ui.chkSendRate->isChecked()) ;
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}
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/** Resets the log start time. */
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void BandwidthGraph::reset()
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{
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/* Set to current time */
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ui.statusbar->showMessage(tr("Since:") + " " + QDateTime::currentDateTime() .toString(DATETIME_FMT));
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/* Reset the graph */
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ui.frmGraph->resetGraph();
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}
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/** Saves the Bandwidth Graph settings and adjusts the graph if necessary. */
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void BandwidthGraph::saveChanges()
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{
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/* Hide the settings frame and reset toggle button */
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showSettingsFrame(false);
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/* Save the opacity and graph style */
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saveSetting(SETTING_OPACITY, ui.sldrOpacity->value());
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saveSetting(SETTING_STYLE, ui.cmbGraphStyle->currentIndex());
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/* Save the Always On Top setting */
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saveSetting(SETTING_ALWAYS_ON_TOP, ui.chkAlwaysOnTop->isChecked());
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if (ui.chkAlwaysOnTop->isChecked()) {
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setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
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} else {
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setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
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}
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setOpacity(ui.sldrOpacity->value());
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/* Save the line filter values */
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uint filter = 0;
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ADD_TO_FILTER(filter, BWGRAPH_LINE_RECV, ui.chkReceiveRate->isChecked());
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ADD_TO_FILTER(filter, BWGRAPH_LINE_SEND, ui.chkSendRate->isChecked());
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saveSetting(SETTING_FILTER, filter);
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/* Update the graph frame settings */
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ui.frmGraph->setShowEntry(0,ui.chkReceiveRate->isChecked()) ;
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ui.frmGraph->setShowEntry(1,ui.chkSendRate->isChecked()) ;
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if(ui.cmbGraphStyle->currentIndex()==0)
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ui.frmGraph->resetFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_PLAIN);
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else
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ui.frmGraph->setFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_PLAIN);
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/* A change in window flags causes the window to disappear, so make sure
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* it's still visible. */
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showNormal();
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}
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/** Simply restores the previously saved settings. */
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void
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BandwidthGraph::cancelChanges()
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{
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/* Hide the settings frame and reset toggle button */
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showSettingsFrame(false);
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/* Reload the settings */
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loadSettings();
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}
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/** Toggles the Settings pane on and off, changes toggle button text. */
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void
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BandwidthGraph::showSettingsFrame(bool show)
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{
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static QSize minSize = minimumSize();
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QSize newSize = size();
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if (show) {
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/* Extend the bottom of the bandwidth graph and show the settings */
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ui.frmSettings->setVisible(true);
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ui.btnToggleSettings->setChecked(true);
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ui.btnToggleSettings->setText(tr("Hide Settings"));
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/* 6 = vertical spacing between the settings frame and graph frame */
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newSize.setHeight(newSize.height() + ui.frmSettings->height() + 6);
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} else {
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/* Shrink the height of the bandwidth graph and hide the settings */
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ui.frmSettings->setVisible(false);
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ui.btnToggleSettings->setChecked(false);
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ui.btnToggleSettings->setText(tr("Show Settings"));
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/* 6 = vertical spacing between the settings frame and graph frame */
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newSize.setHeight(newSize.height() - ui.frmSettings->height() - 6);
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setMinimumSize(minSize);
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}
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resize(newSize);
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}
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/** Sets the opacity of the Bandwidth Graph window. */
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void BandwidthGraph::setOpacity(int value)
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{
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qreal newValue = value / 100.0;
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/* Opacity only supported by Mac and Win32 */
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#if defined(Q_OS_MAC)
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this->setWindowOpacity(newValue);
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ui.lblPercentOpacity->setText(QString::number(value));
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#elif defined(Q_OS_WIN)
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if(QSysInfo::WV_2000 <= QSysInfo::WindowsVersion) {
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this->setWindowOpacity(newValue);
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ui.lblPercentOpacity->setText(QString::number(value));
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}
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#else
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Q_UNUSED(newValue);
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#endif
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}
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/** Overloads the default show() slot so we can set opacity. */
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void
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BandwidthGraph::showWindow()
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{
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/* Load saved settings */
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loadSettings();
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/* Show the window */
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RWindow::showWindow();
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}
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