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RetroShare/retroshare-gui/src/gui/settings/RSPermissionMatrixWidget.cpp
csoler 07bda26192 fixed permission matrix widget crash
2016-06-18 16:27:15 -04:00

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/****************************************************************
* This file is distributed under the following license:
*
* Copyright (C) 2014 RetroShare Team
*
* 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.
****************************************************************/
#ifndef WINDOWS_SYS
#include <sys/times.h>
#endif
#include <iostream>
#include <math.h>
#include <QtGlobal>
#include <QPainter>
#include <QDateTime>
#include <QTimer>
#include <QMouseEvent>
#include "RSPermissionMatrixWidget.h"
#include "gui/settings/ServicePermissionsPage.h"
#include <retroshare/rsstatus.h>
#include <retroshare/rspeers.h>
#include <retroshare/rsservicecontrol.h>
#define NOT_IMPLEMENTED std::cerr << __PRETTY_FUNCTION__ << ": not yet implemented." << std::endl;
// The behavior of the widget is the following:
// - when default is changed, switch all icons to the default position. Then every icon switch back by the user will be
// in the white list.
// - each peer/service slot has a switch. If the peer doesn't allow the service, the switch is shown with some
// indication. When both the current and adverse permissions are granted, the switch should show it as well.
// - we should use tooltips
const float RSPermissionMatrixWidget::fICON_SIZE_X = 40/16.0 ;
const float RSPermissionMatrixWidget::fICON_SIZE_Y = 40/16.0 ;
const float RSPermissionMatrixWidget::fROW_SIZE = 42/16.0 ;
const float RSPermissionMatrixWidget::fCOL_SIZE = 42/16.0 ;
const float RSPermissionMatrixWidget::fMATRIX_START_X = 5/16.0 ;
const float RSPermissionMatrixWidget::fMATRIX_START_Y =100/16.0 ;
/** Default contructor */
RSPermissionMatrixWidget::RSPermissionMatrixWidget(QWidget *parent)
:QFrame(parent)
{
_painter = new QPainter();
setMouseTracking(true) ;
_timer = new QTimer ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(updateDisplay())) ;
_timer->start(5000);
_max_width = 400 ;
_max_height = 0 ;
mHideOffline = false;
}
void RSPermissionMatrixWidget::setHideOffline(bool hide)
{
if (mHideOffline == hide) {
return;
}
mHideOffline = hide;
repaint();
}
void RSPermissionMatrixWidget::updateDisplay()
{
if(isHidden())
return ;
setMinimumWidth(_max_width) ;
setMinimumHeight(_max_height) ;
update() ;
}
void RSPermissionMatrixWidget::mousePressEvent(QMouseEvent *e)
{
std::cerr << "mouse pressed at x=" << e->x() << ", y=" << e->y() << std::endl;
uint32_t service_id ;
RsPeerId peer_id ;
if(computeServiceAndPeer(e->x(),e->y(),service_id,peer_id))
{
std::cerr << "Peer id: " << peer_id << ", service: " << service_id << std::endl;
// make sure the service is not globally disabled
RsServicePermissions serv_perms ;
rsServiceControl->getServicePermissions(service_id,serv_perms) ;
if(!serv_perms.mDefaultAllowed)
return ;
switchPermission(service_id,peer_id) ;
update() ;
}
else if(computeServiceGlobalSwitch(e->x(),e->y(),service_id))
{
switchPermission(service_id) ;
update();
}
else
QFrame::mousePressEvent(e) ;
}
void RSPermissionMatrixWidget::switchPermission(uint32_t service,const RsPeerId& pid)
{
RsServicePermissions serv_perms ;
if(!rsServiceControl->getServicePermissions(service,serv_perms))
return ;
if(serv_perms.peerHasPermission(pid))
serv_perms.resetPermission(pid) ;
else
serv_perms.setPermission(pid) ;
rsServiceControl->updateServicePermissions(service,serv_perms);
}
void RSPermissionMatrixWidget::switchPermission(uint32_t service)
{
RsServicePermissions serv_perms ;
if(!rsServiceControl->getServicePermissions(service,serv_perms))
return ;
if(serv_perms.mDefaultAllowed)
{
serv_perms.mPeersAllowed.clear() ;
serv_perms.mDefaultAllowed = false ;
}
else
{
serv_perms.mDefaultAllowed = true ;
serv_perms.mPeersDenied.clear() ;
}
rsServiceControl->updateServicePermissions(service,serv_perms);
}
void RSPermissionMatrixWidget::mouseMoveEvent(QMouseEvent *e)
{
uint32_t service_id ;
RsPeerId peer_id ;
if(computeServiceAndPeer(e->x(),e->y(),service_id,peer_id))
{
if(_current_service_id != service_id || _current_peer_id != peer_id)
{
_current_service_id = service_id ;
_current_peer_id = peer_id ;
// redraw!
update() ;
}
}
else if(computeServiceGlobalSwitch(e->x(),e->y(),service_id))
{
peer_id.clear() ;
if(_current_service_id != service_id || _current_peer_id != peer_id)
{
_current_service_id = service_id ;
_current_peer_id = peer_id ;
// redraw!
update() ;
}
}
else
{
service_id = ~0 ;
peer_id.clear() ;
}
}
/** Default destructor */
RSPermissionMatrixWidget::~RSPermissionMatrixWidget()
{
_timer->stop() ;
delete _timer ;
delete _painter;
}
bool sortRsPeerIdByNameLocation(const RsPeerId &a, const RsPeerId &b)
{
RsPeerDetails detailsA, detailsB;
rsPeers->getPeerDetails(a, detailsA);
rsPeers->getPeerDetails(b, detailsB);
QString stringA, stringB;
// name
stringA += QString::fromUtf8(detailsA.name.c_str());
stringB += QString::fromUtf8(detailsB.name.c_str());
// location
stringA += QString::fromUtf8(detailsA.location.c_str());
stringB += QString::fromUtf8(detailsB.location.c_str());
return stringA.toLower() < stringB.toLower();
}
/** Overloads default QWidget::paintEvent. Draws the actual
* bandwidth graph. */
void RSPermissionMatrixWidget::paintEvent(QPaintEvent *)
{
//std::cerr << "In paint event!" << std::endl;
int S = QFontMetricsF(font()).height();
/* Set current graph dimensions */
_rec = this->frameRect();
/* Start the painter */
_painter->begin(this);
/* We want antialiased lines and text */
_painter->setRenderHint(QPainter::Antialiasing);
_painter->setRenderHint(QPainter::TextAntialiasing);
/* Fill in the background */
_painter->fillRect(_rec, QBrush(BACK_COLOR));
_painter->drawRect(_rec);
// draw one line per friend.
std::list<RsPeerId> ssllist ;
rsPeers->getFriendList(ssllist) ;
// sort list
{
// sort out offline peers
if(mHideOffline) {
RsPeerDetails peerDetails;
for(std::list<RsPeerId>::iterator it = ssllist.begin(); it != ssllist.end();) {
rsPeers->getPeerDetails(*it, peerDetails);
switch (peerDetails.connectState) {
case RS_PEER_CONNECTSTATE_OFFLINE:
case RS_PEER_CONNECTSTATE_TRYING_TCP:
case RS_PEER_CONNECTSTATE_TRYING_UDP:
it = ssllist.erase(it);
break;
default:
it++;
break;
}
}
}
// sort by name
ssllist.sort(sortRsPeerIdByNameLocation);
}
RsPeerServiceInfo ownServices;
rsServiceControl->getOwnServices(ownServices);
// Display friend names at the beginning of each column
const QFont& font(_painter->font()) ;
QFontMetrics fm(font);
int peer_name_size = 0 ;
float line_height = 2 + fm.height() ;
std::vector<QString> names ;
for(std::list<RsPeerId>::const_iterator it(ssllist.begin());it!=ssllist.end();++it)
{
RsPeerDetails details ;
rsPeers->getPeerDetails(*it,details) ;
QString name = QString::fromUtf8(details.name.c_str()) + " (" + QString::fromUtf8(details.location.c_str()) + ")";
if(name.length() > 20)
name = name.left(20)+"..." ;
peer_name_size = std::max(peer_name_size, fm.width(name)) ;
names.push_back(name) ;
}
QPen pen ;
pen.setWidth(2) ;
pen.setBrush(Qt::black) ;
_painter->setPen(pen) ;
int i=0;
//int x=5/14.0*S ;
int y=S*fMATRIX_START_Y ;
for(std::list<RsPeerId>::const_iterator it(ssllist.begin());it!=ssllist.end();++it,++i)
{
float X = S*fMATRIX_START_X + peer_name_size - fm.width(names[i]) ;
float Y = S*fMATRIX_START_Y + (i+0.5)*S*fROW_SIZE + line_height/2.0f-2 ;
_painter->drawText(QPointF(X,Y),names[i]) ;
if(*it == _current_peer_id)
_painter->drawLine(QPointF(X,Y+3),QPointF(X+fm.width(names[i]),Y+3)) ;
y += line_height ;
}
matrix_start_x = S*5/14.0 + S*fMATRIX_START_X + peer_name_size ;
// now draw the service names
i=0 ;
std::vector<int> last_width(10,0) ;
for(std::map<uint32_t, RsServiceInfo>::const_iterator it(ownServices.mServiceList.begin());it!=ownServices.mServiceList.end();++it,++i)
{
QString name = QString::fromUtf8(it->second.mServiceName.c_str()) ;
int text_width = fm.width(name) ;
int X = matrix_start_x + S*fCOL_SIZE/2 - 2 + i*S*fCOL_SIZE - text_width/2;
int height_index = 0 ;
while(last_width[height_index] > X-5 && height_index < last_width.size()-1)
++height_index ;
int Y = S*fMATRIX_START_Y - S*fICON_SIZE_Y - 2 - line_height * height_index;
last_width[height_index] = X + text_width ;
// draw a half-transparent rectangle
QBrush brush ;
brush.setColor(QColor::fromHsvF(0.0f,0.0f,1.0f,0.8f));
brush.setStyle(Qt::SolidPattern) ;
QPen pen ;
pen.setWidth(2) ;
if(_current_service_id == it->second.mServiceType)
pen.setBrush(Qt::black) ;
else
pen.setBrush(Qt::gray) ;
_painter->setPen(pen) ;
QRect info_pos( X-5,Y-line_height-2, text_width + 10, line_height + 5) ;
//_painter->fillRect(info_pos,brush) ;
//_painter->drawRect(info_pos) ;
_painter->drawLine(QPointF(X,Y+3),QPointF(X+text_width,Y+3)) ;
_painter->drawLine(QPointF(X+text_width/2, Y+3), QPointF(X+text_width/2,S*fMATRIX_START_Y+peer_ids.size()*S*fROW_SIZE - S*fROW_SIZE+5)) ;
pen.setBrush(Qt::black) ;
_painter->setPen(pen) ;
_painter->drawText(QPointF(X,Y),name);
}
// Now draw the global switches.
peer_ids.clear() ;
for(std::list<RsPeerId>::const_iterator it(ssllist.begin());it!=ssllist.end();++it)
peer_ids.push_back(*it) ;
service_ids.clear() ;
for(std::map<uint32_t, RsServiceInfo>::const_iterator sit(ownServices.mServiceList.begin());sit!=ownServices.mServiceList.end();++sit)
service_ids.push_back(sit->first) ;
static const std::string global_switch[2] = { ":/icons/global_switch_off_128.png",
":/icons/global_switch_on_128.png" } ;
for(uint32_t i=0;i<service_ids.size();++i)
{
RsServicePermissions serv_perm ;
rsServiceControl->getServicePermissions(service_ids[i],serv_perm) ;
QPixmap pix(global_switch[serv_perm.mDefaultAllowed].c_str()) ;
QRect position = computeNodePosition(0,i,false) ;
position.setY(position.y() - S*fICON_SIZE_Y + 8/14.0*S) ;
position.setX(position.x() + 3/14.0*S) ;
position.setHeight(30/14.0*S) ;
position.setWidth(30/14.0*S) ;
_painter->drawPixmap(position,pix.scaledToHeight(S*fICON_SIZE_Y*0.9,Qt::SmoothTransformation),QRect(0,0,S*fICON_SIZE_X,S*fICON_SIZE_Y)) ;
}
// We draw for each service.
static const std::string pixmap_names[4] = { ":/icons/switch00_128.png",
":/icons/switch01_128.png",
":/icons/switch10_128.png",
":/icons/switch11_128.png" } ;
int n_col = 0 ;
int n_col_selected = -1 ;
int n_row_selected = -1 ;
for(std::map<uint32_t, RsServiceInfo>::const_iterator sit(ownServices.mServiceList.begin());sit!=ownServices.mServiceList.end();++sit,++n_col)
{
RsServicePermissions service_perms ;
rsServiceControl->getServicePermissions(sit->first,service_perms) ;
// draw the default switch.
// draw one switch per friend.
int n_row = 0 ;
for(std::list<RsPeerId>::const_iterator it(ssllist.begin());it!=ssllist.end();++it,++n_row)
{
RsPeerServiceInfo local_service_perms ;
RsPeerServiceInfo remote_service_perms ;
rsServiceControl->getServicesAllowed (*it, local_service_perms) ;
rsServiceControl->getServicesProvided(*it,remote_service_perms) ;
bool local_allowed = local_service_perms.mServiceList.find(sit->first) != local_service_perms.mServiceList.end() ;
bool remote_allowed = remote_service_perms.mServiceList.find(sit->first) != remote_service_perms.mServiceList.end() ;
QPixmap pix(pixmap_names[(local_allowed << 1) + remote_allowed].c_str()) ;
bool selected = (sit->first == _current_service_id && *it == _current_peer_id) ;
QRect position = computeNodePosition(n_row,n_col,selected) ;
if(selected)
{
n_row_selected = n_row ;
n_col_selected = n_col ;
}
_painter->drawPixmap(position,pix.scaledToHeight(S*fICON_SIZE_X,Qt::SmoothTransformation),QRect(0,0,S*fICON_SIZE_X,S*fICON_SIZE_Y)) ;
}
}
// now display some info about current node.
if(n_row_selected >= 0 && n_col_selected >= 0 && n_row_selected < (int)peer_ids.size() && n_col_selected < (int)service_ids.size())
{
QRect position = computeNodePosition(n_row_selected,n_col_selected,false) ;
// draw text info
RsServicePermissions service_perms ;
rsServiceControl->getServicePermissions(service_ids[n_col_selected],service_perms) ;
QString service_name = tr("Service name:")+" "+QString::fromUtf8(service_perms.mServiceName.c_str()) ;
QString service_default = service_perms.mDefaultAllowed?tr("Allowed by default"):tr("Denied by default");
QString peer_name = tr("Peer name:")+" " + names[n_row_selected] ;
QString peer_id = tr("Peer Id:")+" "+QString::fromStdString(_current_peer_id.toStdString()) ;
RsPeerServiceInfo pserv_info ;
rsServiceControl->getServicesAllowed(_current_peer_id,pserv_info) ;
bool locally_allowed = pserv_info.mServiceList.find(_current_service_id) != pserv_info.mServiceList.end();
bool remotely_allowed = false ; // default, if the peer is offline
if(rsServiceControl->getServicesProvided(_current_peer_id,pserv_info))
remotely_allowed = pserv_info.mServiceList.find(_current_service_id) != pserv_info.mServiceList.end();
QString local_status = locally_allowed ?tr("Enabled for this peer") :tr("Disabled for this peer") ;
QString remote_status = remotely_allowed?tr("Enabled by remote peer"):tr("Disabled by remote peer") ;
if(!service_perms.mDefaultAllowed)
local_status = tr("Globally switched Off") ;
const QFont& font(_painter->font()) ;
QFontMetrics fm(font);
int text_size_x = 0 ;
text_size_x = std::max(text_size_x,fm.width(service_name));
text_size_x = std::max(text_size_x,fm.width(peer_name));
text_size_x = std::max(text_size_x,fm.width(peer_id));
text_size_x = std::max(text_size_x,fm.width(local_status));
text_size_x = std::max(text_size_x,fm.width(remote_status));
// draw a half-transparent rectangle
QBrush brush ;
brush.setColor(QColor::fromHsvF(0.0f,0.0f,1.0f,0.8f));
brush.setStyle(Qt::SolidPattern) ;
QPen pen ;
pen.setWidth(2) ;
pen.setBrush(Qt::black) ;
_painter->setPen(pen) ;
QRect info_pos( position.x() + 50*S/14.0, position.y() - 10*S/14.0, text_size_x + 10*S/14.0, line_height * 5 + 5*S/14.0) ;
_painter->fillRect(info_pos,brush) ;
_painter->drawRect(info_pos) ;
// draw the text
float x = info_pos.x() + 5*S/14.0 ;
float y = info_pos.y() + line_height + 1*S/14.0 ;
_painter->drawText(QPointF(x,y), service_name) ; y += line_height ;
_painter->drawText(QPointF(x,y), peer_name) ; y += line_height ;
_painter->drawText(QPointF(x,y), peer_id) ; y += line_height ;
_painter->drawText(QPointF(x,y), remote_status) ; y += line_height ;
_painter->drawText(QPointF(x,y), local_status) ; y += line_height ;
}
_max_height = S*fMATRIX_START_Y + (peer_ids.size()+3) * S*fROW_SIZE ;
_max_width = matrix_start_x + (service_ids.size()+3) * S*fCOL_SIZE ;
/* Stop the painter */
_painter->end();
}
QRect RSPermissionMatrixWidget::computeNodePosition(int n_row,int n_col,bool selected) const
{
float fact = selected?1.2f:1.0f;
float S = QFontMetricsF(font()).height();
return QRect(matrix_start_x + n_col * S*fCOL_SIZE + (S*fCOL_SIZE-S*fICON_SIZE_X*fact)/2,
S*fMATRIX_START_Y + n_row * S*fROW_SIZE + (S*fROW_SIZE-S*fICON_SIZE_Y*fact)/2,
S*fICON_SIZE_X*fact,
S*fICON_SIZE_Y*fact) ;
}
// This function is the inverse of the previous function. Given a mouse position, it
// computes the peer/service switch that is under the mouse. The zoom factor is not
// accounted for, on purpose.
bool RSPermissionMatrixWidget::computeServiceAndPeer(int x,int y,uint32_t& service_id,RsPeerId& peer_id) const
{
// 1 - make sure that x and y are on a widget
float S = QFontMetricsF(font()).height();
x -= matrix_start_x ;
y -= S*fMATRIX_START_Y ;
if(x < 0 || x >= service_ids.size() * S*fCOL_SIZE) return false ;
if(y < 0 || y >= peer_ids.size() * S*fROW_SIZE) return false ;
if( (x % (int)(S*fCOL_SIZE)) < (S*fCOL_SIZE - S*fICON_SIZE_X)/2) return false ;
if( (x % (int)(S*fCOL_SIZE)) > (S*fCOL_SIZE + S*fICON_SIZE_X)/2) return false ;
if( (y % (int)(S*fROW_SIZE)) < (S*fROW_SIZE - S*fICON_SIZE_Y)/2) return false ;
if( (y % (int)(S*fROW_SIZE)) > (S*fROW_SIZE + S*fICON_SIZE_Y)/2) return false ;
// 2 - find which widget, by looking into the service perm matrix
service_id = service_ids[x / (int)(S*fCOL_SIZE)] ;
peer_id = peer_ids[y / (int)(S*fCOL_SIZE)] ;
return true ;
}
bool RSPermissionMatrixWidget::computeServiceGlobalSwitch(int x,int y,uint32_t& service_id) const
{
// 1 - make sure that x and y are on a widget
float S = QFontMetricsF(font()).height();
x -= matrix_start_x ;
y -= S*fMATRIX_START_Y ;
if(x < 0 || x >= service_ids.size() * S*fCOL_SIZE) return false ;
if( (x % (int)(S*fCOL_SIZE)) < (S*fCOL_SIZE - S*fICON_SIZE_X)/2) return false ;
if( (x % (int)(S*fCOL_SIZE)) > (S*fCOL_SIZE + S*fICON_SIZE_X)/2) return false ;
if( y < -S*fROW_SIZE ) return false ;
if( y > 0 ) return false ;
// 2 - find which widget, by looking into the service perm matrix
service_id = service_ids[x / (int)(S*fCOL_SIZE)] ;
return true ;
}
void RSPermissionMatrixWidget::defaultPermissionSwitched(uint32_t /* ServiceId */,bool /* b */)
{
NOT_IMPLEMENTED ;
}
void RSPermissionMatrixWidget::userPermissionSwitched(uint32_t /* ServiceId */,const RsPeerId& /* friend_id */,bool /* b */)
{
NOT_IMPLEMENTED ;
}
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