diff --git a/app/src/MainWindow.cpp b/app/src/MainWindow.cpp
index e9ecc3b..0a95010 100644
--- a/app/src/MainWindow.cpp
+++ b/app/src/MainWindow.cpp
@@ -26,6 +26,7 @@
 #include <DataSource/DataSourceWidget.h>
 #include <SidePane/SqpSidePane.h>
 #include <SqpApplication.h>
+#include <TimeWidget/TimeWidget.h>
 
 #include <QAction>
 #include <QDate>
@@ -75,9 +76,61 @@ MainWindow::MainWindow(QWidget *parent)
     m_Ui->splitter->setCollapsible(LEFTINSPECTORSIDEPANESPLITTERINDEX, false);
     m_Ui->splitter->setCollapsible(RIGHTINSPECTORSIDEPANESPLITTERINDEX, false);
 
+
+    auto leftSidePane = m_Ui->leftInspectorSidePane->sidePane();
+    auto openLeftInspectorAction = new QAction(
+        QIcon{
+            ":/icones/previous.png",
+        },
+        tr("Show/hide the left inspector"), this);
+
+
+    QWidget *spacerLeftTop = new QWidget();
+    spacerLeftTop->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    QWidget *spacerLeftBottom = new QWidget();
+    spacerLeftBottom->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    leftSidePane->addWidget(spacerLeftTop);
+    leftSidePane->addAction(openLeftInspectorAction);
+    leftSidePane->addWidget(spacerLeftBottom);
+
+
+    auto rightSidePane = m_Ui->rightInspectorSidePane->sidePane();
+    auto openRightInspectorAction = new QAction(
+        QIcon{
+            ":/icones/next.png",
+        },
+        tr("Show/hide the right inspector"), this);
+
+    QWidget *spacerRightTop = new QWidget();
+    spacerRightTop->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    QWidget *spacerRightBottom = new QWidget();
+    spacerRightBottom->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    rightSidePane->addWidget(spacerRightTop);
+    rightSidePane->addAction(openRightInspectorAction);
+    rightSidePane->addWidget(spacerRightBottom);
+
+    openLeftInspectorAction->setCheckable(true);
+    openRightInspectorAction->setCheckable(true);
+
+
     // NOTE: These lambda could be factorized. Be careful of theirs parameters
     // Lambda that defines what's happened when clicking on the leftSidePaneInspector open button
-    auto openLeftInspector = [this](bool checked) {
+    auto openLeftInspector = [this, openLeftInspectorAction](bool checked) {
+
+        if (checked) {
+            openLeftInspectorAction->setIcon(QIcon{
+                ":/icones/next.png",
+            });
+        }
+        else {
+            openLeftInspectorAction->setIcon(QIcon{
+                ":/icones/previous.png",
+            });
+        }
 
         // Update of the last opened geometry
         if (checked) {
@@ -107,7 +160,19 @@ MainWindow::MainWindow(QWidget *parent)
     };
 
     // Lambda that defines what's happened when clicking on the SidePaneInspector open button
-    auto openRightInspector = [this](bool checked) {
+    auto openRightInspector = [this, openRightInspectorAction](bool checked) {
+
+        if (checked) {
+            openRightInspectorAction->setIcon(QIcon{
+                ":/icones/previous.png",
+            });
+        }
+        else {
+            openRightInspectorAction->setIcon(QIcon{
+                ":/icones/next.png",
+            });
+        }
+
 
         // Update of the last opened geometry
         if (checked) {
@@ -137,27 +202,14 @@ MainWindow::MainWindow(QWidget *parent)
     };
 
 
-    QToolBar *leftSidePane = m_Ui->leftInspectorSidePane->sidePane();
-    auto openLeftInspectorAction = leftSidePane->addAction(
-        QIcon{
-            ":/icones/openInspector.png",
-        },
-        tr("Show/hide the left inspector"), openLeftInspector);
-
-    openLeftInspectorAction->setCheckable(true);
-
-    auto rightSidePane = m_Ui->rightInspectorSidePane->sidePane();
-    auto openRightInspectorAction = rightSidePane->addAction(
-        QIcon{
-            ":/icones/openInspector.png",
-        },
-        tr("Show/hide the right inspector"), openRightInspector);
+    connect(openLeftInspectorAction, &QAction::triggered, openLeftInspector);
+    connect(openRightInspectorAction, &QAction::triggered, openRightInspector);
 
-    openRightInspectorAction->setCheckable(true);
 
     this->menuBar()->addAction(tr("File"));
     auto mainToolBar = this->addToolBar(QStringLiteral("MainToolBar"));
-    mainToolBar->addAction(QStringLiteral("A1"));
+
+    mainToolBar->addWidget(new TimeWidget());
 
     // Widgets / controllers connections
     connect(&sqpApp->dataSourceController(), SIGNAL(dataSourceItemSet(DataSourceItem *)),
diff --git a/core/src/Variable/VariableController.cpp b/core/src/Variable/VariableController.cpp
index bfeefc6..007c5c0 100644
--- a/core/src/Variable/VariableController.cpp
+++ b/core/src/Variable/VariableController.cpp
@@ -19,14 +19,14 @@ struct VariableController::VariableControllerPrivate {
 VariableController::VariableController(QObject *parent)
         : QObject{parent}, impl{spimpl::make_unique_impl<VariableControllerPrivate>()}
 {
-    qCDebug(LOG_VariableController())
-        << tr("VariableController construction") << QThread::currentThread();
+    qCDebug(LOG_VariableController()) << tr("VariableController construction")
+                                      << QThread::currentThread();
 }
 
 VariableController::~VariableController()
 {
-    qCDebug(LOG_VariableController())
-        << tr("VariableController destruction") << QThread::currentThread();
+    qCDebug(LOG_VariableController()) << tr("VariableController destruction")
+                                      << QThread::currentThread();
     this->waitForFinish();
 }
 
diff --git a/gui/include/TimeWidget/TimeWidget.h b/gui/include/TimeWidget/TimeWidget.h
new file mode 100644
index 0000000..e0b79d9
--- /dev/null
+++ b/gui/include/TimeWidget/TimeWidget.h
@@ -0,0 +1,23 @@
+#ifndef SCIQLOP_TIMEWIDGET_H
+#define SCIQLOP_TIMEWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class TimeWidget;
+} // Ui
+
+class TimeWidget;
+
+class TimeWidget : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit TimeWidget(QWidget *parent = 0);
+    virtual ~TimeWidget();
+
+private:
+    Ui::TimeWidget *ui;
+};
+
+#endif // SCIQLOP_ SQPSIDEPANE_H
diff --git a/gui/resources/icones/next.png b/gui/resources/icones/next.png
new file mode 100644
index 0000000000000000000000000000000000000000..b70248b705e281885153a05ade514e565a13560b
GIT binary patch
literal 4413
zc$}@2_dgVX|HtoaQJkI1xRRBO6T(HDnKCnutTQ4bo2-iyXJqe@5ha|J%%d_hbIx9=
z<Id_h<4E}S{TDu;&+GAgzurH*e|tY3uNT_rk<P^n{1*TKz(qY>n90A5{QqHM_~+gC
z9EJdZ3o>q+nnrq>nnFgt-Y#w)&HzAgL19*qnb|Z?>=-uaMahT^m$)Vwdr=6hSc!u<
z<XpBFqrC)?uNN+*0cpYLxbH`S84_QC>%s9cNc%4WDMH0P_FTrsA&>@h|J7A&cJ{KM
zYxuJ_SSr+&96r?sNa;9j?eMp}fRryn3jSQxPfm=lK%4+scL21*0Q&|x2#p4`8>xFw
zz-!+imGcP9gj5Xbkpw6vbwrc=ch2?lGQaS~;posaQ6t}+&@Dzim9tT-_2Jq*_#-aa
zZZX+CEk>^TjvP+j*`3BQuu4L1VILyFGHi`Ckl%V33SP<+A;j_R^7<I_WT#90v<6QZ
za98+f{WZUu-{;^$g9M|uX)a0X^;Cdw?sjV|z&f}9SH*WFU!TX*7hHXLWa71cxi!qo
zF%5|s!j<LE&dHIM3bxE%tJ`z+IF-vBd$d`<fHS0LvwZ$psP;hH#=7nOz?93UsVVKX
zJ{LRgjV`aVhv?9D-P$NMDr@OMc>QUn-3urn(aP8}Fs#0pOka$E04UV18F@AuA@L3C
zlg}2^5;RdnPiUYHBKvK0RAJ56vhQcqS;_hOj^h3#HL-X7OpI-@F#R)E#RbyOwtAfD
zL`>KV7l!oSk}Ibnapyii?A~<Cpwd6D_yw27Js;2T2|<?z?#<W$6$^EUlrvM#bBCEX
zAC;!T#{Bny?$xp>{KYhc>3hghb|8nJ`bXN+amC0mCHAfkrb%>f>-jCxa^qL$pCak`
zM|Vf1ZX}L!P#SrtJ!2fjK%g#-gb_eOot8v%-TsmX68fA$;4?2>lngt)Igm$}#tq5V
zaR1&6Q@lF!3@|X--H3%>o%1PBRGm@j;%(&659Jo1S2UwNU1BuRo}mM{$4=)UEC+kZ
zCG=RAMGiSE%s^lYQ9m<c;-c@pk7j4%&^Z2n^F5tJ?1vKN_so9;l<A)!F&fd|p-;K;
zq9S6Kx|s~3D(mE`FXn${ouNOB?*5Va9NfV_8qKn@{hZr|O)z?Xg=Ht;NI{iGE!Gu;
zWC!t=zTy*R?YYPdD@~<CC0A?4r|Q2IaJ%1@VoSIw7iDmrY{bV!ucdRjWXpKz{i+y`
z`yKadAGjVTDMz{M929$%Y8yk|8$OkTGkYRGX`U2cA4iis{6TFTi*a6>b{fmt$z{v-
zGJO2njELynKA1zA>@%72oYNfh;gDe=7gk6@uOoLIgC(PfP!^ioKA|qOzQ2xGr#a)Z
zWqlR&E*{b!^0U-O)dq;+2;vIjQAFi`9{E+i0}oaS6Dmp?>&;%dvh(B!_*W^SNa*2r
zVI}sjOy5vRC<zUg6^<3*74B4BGtoJYXtd2w21o8)rQHiY8Aq>gXyQa$Qyq0RaDg}n
zTnG+|la$M?ei(RDC!L<KO}I(Xq97>N%<-stR5G2lBNmnfYwt<vVbSY&oAow<An{H0
zoBp@-G}^QYlVEXAaYgY8ymBRfrKw4`Nh6NS4YIDjF28QFUWT(M7j>?ao0Aie^T^f6
z)s*9P?h|9uivFqXV60%wFP1I#%Z&AL?1tvUiY%k9vO`l>Cub)q=Wb^|r)N%M1Fyfc
z=P8WDX6Z|o6&5d+V6#oL{8E1nc&0x~y^@xnZU-jc8cUVV^3Lp%I=6j^`B9QmT4!3K
zxsnRjH@1_tl(pVP{uJq57r~1hKCpZcpIu<-YsYMkv$$XkFZ0)}G;}k!(wcp6S2LuR
zqP6PAofqGz-=H5eXq74cIQ~PKghi9aLBR&3?bc#Uk$!C{^}8!R1K%-;au0Anb>G`i
z-WZx>!COxXy0Odi@iX&t^Dpv4@;>AN^N#aI@~BNaaMqd|HBdMf?l-4A2b#0~sPa)X
zfDjPoPw~$S5ZFiyDD=13oZ4K%b(3WGP4*8r7r)0I)a<A4Kig+ywWobXi}?}}eP8oq
zNsaJW-O}@!I46Q*hBMwn-rWFlsCZlEw@idXsT+r9!^GQZLV9JU+XuJkby~<}h+QL1
z<L$=fk%JMdwL5Fgw+48Mcs8Y!rEKB+mcF;xESH)}E$J;i>o-3AdFqK6Y4)lwY8d~B
zZk%<63>V8q@s%e^etK$cF@Nyso#*nb)jadoqnT3|Z>Kkok@yJT%2AV1+^cfLrHxAl
zvC6R^oi;?lulxNV(L16Qrq~Hi*Nd*7{L1!F2}KVYhGesOF%_7wX@%*#iYm=bUc^OE
zkTlhi8o_osc~xLiAQ?Id<%H%#T|25frh*Hp+My>Q<b8od<3opI`QzcExg*TM_U`rL
zm_LtCpu5vl;z<zwXJ99=okrmH1ia6B3dBScP7_3b?*fh)er+Eib5lvI<>rxFoRw~b
zuD6(oyu$udQohV|T|*t?P(U_Ic2MktSN$l(m@%yuoeZ5sSRM?M)FDvL*PFDF*ry$<
zqo_TG*|Dq-?F~+RY+yWGn5iu3XKwqXyhS2lGS~8(rOVbgC4U>(!gveYu(}J>Phm+k
z!tO8YP*PLuLBaMg#@^89s?ur!nl2VaL4AY8_B=tG>OIoS)SIwT^twZJZV2-Aq}b@&
z53Xdy;N$R9@-}drIq@P^>6qzsOj=R;y&Q)W;|$q`Ij@7?laMgA2*k~dR=Gw~b?#Gx
z1LlC3{FpMU*H(9|yc@e44cByuJHCH>5B!=}9}z;<!rK{|UNu#y*hxhq&Ped=rhv`j
zfZffu>1Wl_Hfo(;o^_`tp_0U}L`uj=iAe`z#T`v8N_<ydeXSp{&CgG`5r3rBZN1fu
z_tNrQ_1a!`srMv*GVI;@`AnojBvV9C->Q7NQ}(1{BR^)FdH!Umdg#*D=dB;xEsYay
z#8lsPN(ZI>39x-mlEmH1T^rQ@yA$qaWz`;Ar_<v4cChP%U+vn`wNN!P(Z|aepBlHt
zcOSjyJ6lh;PBj?|*goPVrnB&!Y6H;V=Fut)*0#Nq!oFrSRr2oQ%0=w5T&JhIna3@+
zzri^{!35ob)S{dD6%}RrIzxFYE)IM6`W%E}r{6iIvG;vBCUXkzd-W=>K;&Wg0yXH-
zQ6cHxH>Fuh^c364oS0|two$0piGhwuzpkqp@rU@b>Ee^aC!T8j=fOuG=hpKe4X%Tu
z9HTr%Pn5EQybi<qj@MbxynStmc0rrOj^HZMmUriA%jJ^UP-(lZfOTk4@5<nMRiK68
z6NJrXi&r=nJNBV=TeRxU+@G40c}5QgW$&3K62FadaNvL&>FYykezy1VLR&=W?DiLx
zA@aht*OvuahdNb4qz{&cPOPXzL66|L2+O~^8^)`M^8N$0&C>;CN2sq0KKvtDkCe`c
zsIDh=Ih|1)I(Ed5-BwW>u!*<Fgmv+;$}3~$s#hY5cEcjtNEYjMRP6Wg-EQyEu7eTS
zXkr(k%jO8XpZT?_yH?6BXpCXxUPSt#O9bYq=Ii`*G9UTHvQEdFoUt?HsnLNk88I!|
zWyr>h<Ka1@r_I^>+gj~+8314y(1YDK3oh7R7<*>(n2T}8Z!BE;qgFz0;Jb%B4)F3Q
zBb5Ykx^bg+agqjaU|GgJM`K|w?hMQyX@5nQl2Vl8g~0I`G>f>#^Y|Gpb$Xxi+iw$c
zdtwS5max>8fl%d}wd?ZNPHsY%r58qSKy%lrdl3c$HrK%@(#7mkx)fhpz~FxjXXYv0
zpI=y4up@#shCMD93h_P}%Zi1PeG)Hcs<H5b6#7s}$+7Iif%@}~0+79m{w9|jqks@`
z78Vw1+xEcigZXA}wL4H~_#VE}bZ^rA07EURX`;=}8ncGOl~vW$&iiVtn-2x=`VxpY
z^g64}t0M1_I{KBtCL5Hc#<=gZjjqcgU_)41t$sPhv~gBd2%J$-8J-eC94!n@h-<sD
zc8c>*U~}FpZLm8Lt2T*j@q4X>;^F0eBLWuGN`)EY8>cFKu2SQ4`}+GMuW{YCJ)=-4
z6R`d4rcY0oYFrva*qNp*D#<i36gm!L*A<bLn;U0BwAsQY<K&ZSn!Ex64t}6HMLV%R
zzxrN^#dr9PE<LkldWnw9%F24pIWB-ml*|bd$`6u>2NMgfpoi?OE~A@Y_T`AiiLs}y
zM=pd4%I?t$3xPKdUKsK$lAQNc+5hG@0GUAJ1OmaA>1C2^ey1=>MkeYn=A1NMHZ(hH
zKk=D8iax3{Bjl7>IE7kdVPVl~UKRcj#-U}L{Ksp7(mO1^NGuY1GrjKr-nKR}@J-0;
z=Y~dS?MU`05NN`yIcVCw$-4oEi&eLWp{#4n&8j9b3$8^k=*rcAAYn2V1afblZ-4bt
zDBpE%`xAZCHGq(0Qfwmfr9C4MKm+)nFyp|)Ft<+w(5C(3blxRM6Ge<)1AZofk51P{
z@;SkduTVdd|2@CusQ@4Yh0F~%c01M?e)sNO?OQi^FrG(v#?e+E=1clsLdMD85vBu(
zao(?*oP$6he!YC0@%oTHIz-}fdyse4r297aF%dzEVS?9~t3n`q$JjNHvHhBig2I%Q
zl~qW^d8_Ki<HJkB<$Zjd1%8N3{ng)iJU$uhm?&$qkDZ;)iTm9OeW)OfF_T!w<IVi4
zLSRlWutiuu;wZ-Bth=jt`|Va)T{X9c5Ygra*ne#}*U&A&^iz|<oj%<rxM!g9HEaLD
zB^h#bXNbcuRhPiwtB2&}^ZB{CIZLK5D0cnhNHJ_&!;oPbffL?!yS<c>B)bHcgb{dn
zcx-t<zN4OVc@^GEC$k-2DQK}CpRG9E+qNA?F5{|z;QiHiTFwWV%Wm@gqKyr~2_a;v
zgTyVhXkopyg4^w30RVy0zZO~w=ZC+A2P3Uv1EGSM0UH*K_Drk&-M5zS@@7Bj<Oh@m
z5>$x#YLrQU`f)t4III_7)aeKivy%m6)baraEm#4ok_<=+H|>9Z-igd0V|9*Ifa>O1
z*IbT|iQ7hJmjEf*YAPxxAdueG{`uQ#k||oKwY9Z04}n3!$AA#4goK1K?|`?L;1Qie
zeg7hP0~AmucA+ol>osMgGbX^m1J%g0zx~5DE%mtKRjOLV%Ga2Q@NABZu3r93DaXKx
zKdI+$oI<zisGajq<!v9NIgQ`tb#{#pt(e~2c5o3tO6&2tHG20^8lh0T%;(#`6gEQo
zST~!tsxvC3yR6#%*Kv}t8wdmfTg~cSvwiUefjWW!l~h^OcBYIxI9V%KqA1pyL<S#T
zLbfkrDyKK?zOPLjEZ!d)%cd4h$d~`>Pqw?2!|USeYJBz{Fu=}dwG5ZiPa|}r(P%-5
z%t3vu?fC{}b*PC^yvtjlwx(u$VPPSZlaq6q{I3yLXX+6aL?Y2{FvT*Xt20q|yqq$w
z4HN5P2vWYb5!fCW7Pi0%3L($J+t<(Rzk3w$YS_Ch9d`6fT?ZoLbYTWe!qV2To>%Nn
z?W?Y?wDXF|noNE0&DfLSpg?T~^`fm~kESn<m3sosiB|!HaTl`)He?1Dz)0Y~pr{Kd
X(>l$_m#{zv{F9#6BN#@*KI;Df!?Rkp

literal 0
Hc$@<O00001

diff --git a/gui/resources/icones/previous.png b/gui/resources/icones/previous.png
new file mode 100644
index 0000000000000000000000000000000000000000..625579d8aed4c357595f757c654199fe0eac0855
GIT binary patch
literal 4377
zc$~GDXE+-Uw8j&AR-%-qYPEK?NL&6CLCm&xYlIrHVnl6<NbOm*_a3dbLX4V0tx|g{
zMfuyMW+Y0uz4zn&bnkPY`{6z3InVFodC&ViCq`dala&d=1ONb7wYA`ee>?U+#X$GB
zb}88m002x<C^a>GZ8bH1eNT4>l&d`e;Gdh9?q_T~b1iCw;P<L%NQy&DZI8gpPmrw`
zhudUcw-%+o0=<tHD5e6d!)Z8GLIvsKBL(q-u@PA7FT8L03%jj33=9IGHP5}*)(9CH
zOMH&OE(HXVqT^ohbTi;>E2XK`+ms1=KOf7tvZj+5A6t$*1G4M`s0RVoH8M~tRmCo>
zmJ%=e_({@LvLFLi)~{OvAe+z{w&}fpshyqng)4fTCT2EtsNXK8QNO$5dngM&SfhKA
z%pu(+Dt)9*&w+2vyvp@`zjj1WAucPg7a3<7w9euSK@2JiE@lg@Mspu<c^F*FNReDY
z2u?rYEcZ}9f6kNBYvVwL6^z-Xx+0<7T`nkm(53nV-pT>s5j&80a~VsU%k!FSh~B#1
z6oj@-#^MIXOLD%?$!sp>?ijy;S#xyTl}VktHX~k{)1_oEcdX<oKi057G{5hgcKAF!
zt+C$gV8yxJj=p#r6WF3v6{<{PDJBNvDQQ-(6an#O25!DV_?|u5LL?M$NNS(G&ql>B
zwv9OJFd-GiYzS%d_f<os`-g`gu6vsHu7q9`U2g5m9#4_td$uk_*%tCrIylOiHdmVQ
z<3<w^L9ZO>QhJJRPy(VaJ$_mhbV-G$bS!)M7e~JwOZ5ndDfT^@wE)WIX>J@|7+t-z
znJuW3n-MgCC;^>6Nxy{@QmxJ?VT(aPb}v{RHDydTBuEa_-pVi))6;Z$XLG5x(|$!L
zC5Qaau;lIdVfMq?YozWG_Cg>~i%MJ{AP%G6q`GB&#TBdgl8(27izZYGMEe|gO^XVJ
zWvfw9nq`QEG0p;g!<_Y*A+W1XKoJ<d9P3@|z)$%`AUcfRnkGJM!<w!Ycm$%c5s-nu
z=HP#(#Vmsz6rfvW2!LJaGjP!MsKkKS*i}zQh2PVNM|~)gf6w@bSDw}qi&G67RdnLW
z4#h+*b}>8&t*Dmy#G2E=GD~|B*7Y;(rC=*$IE;CD_a&zV8(-M`GV{I<`Qalf<tRrm
z76gVAM{*0Wbh9$Ti<4-=6F;fNCh3&&qEwpSzE~BO34L;FPoJBER$cRY(T>65`!&&P
z&JUb#e&BePARp?iNi0McYZyS^>p97oGrD0vtDP0z8jIO<^#(VyFGQo&tW=jY5=)k>
zrMMv)^vJM-Ubs!Nw2M?(CMEOvV89^10}C{+$Ck62&XnGjKRt%iI<7hp|FwFfT5Z;2
z2f+h=7YqFwuu|;t$O4FC_v7%pCL5m9G4yZQzPZ0b5PyEcNKeM{jeScp@LUd)&;N8(
zKn~Q&&>x-<F0RVF%)TtJ%$cNREHcL)7GtqOXUlmYcfjP4N`7-&ZCs=&$yQ5s+;`k&
zJYZaLTtX)6(^Fqz%@o?z-Bsa3^+V(#f-yE6AD&2quqD6~;4R&6yP36HOVdl^R>k`t
z_3QMfBvU6(82XF3iOGtUPs&$7DvS)f3~R?ZP|z*d*8MHRt&(w*G7<Y~nK>C=8P_b;
zEHxP}`(9B7^{^EU8-s@i5YY_Le~nq5MQy7+El<~PFF7%Cw6nL9wC}R_vU9N;>3cH@
z%6>Q$m98UEl2^D;M945o_e%P=&n?9z=|*x+ik0Brospz_>F#Oml9w-D<9-&sEv_~y
zQd>?E)G@G<HkC#kU{{2CwuB~yP9B>+j?Kt5^|WGqK5oKfU|!;_RiTG^Zl?bI@jq$-
zRfp<pD9-HITAdo5h;L?TV$Whfl!%+us}gg!q0M&|BJy>rib<o6lc|%fQ{m1&&J^dP
zZTaniDdtJU6dww7pBusm;e;$epxGa?f!U|oL)oPIeRGz|+m(vu1aq%B`8n_$qE4Ys
z#Anqf$otSc+lO~M*(cB2<k$4C#qq99>0`s=lV1y?QN+sQlw+4;dKPPH7i!!WOqhyV
zT~VdLNcG~&*=V~}+f@5W*Za;-peM3-rG86cY>H9rZZ#97Gpi{TX{ZmVuq|rnb*NP>
zRqfr{r6J;w+4_U^hC6-N@~{1pl$U&A4l(t-!)CfzUu;Ti>W1I`{Kv@+In;p0=huwY
z#ngUxgbo(UgmRa~OMG@hn9LJDzjIsqZZ^-jqdQA+aJMV44VlDvRty^sk4KgvuWVm=
z5+xr6)@(-R{;Tp8Eb>64+=wu7)sfZlvscMccwGMDngQtyE?hY-Xy)O}Ke7r9_2`WS
zu-`qBEeXSRJ#me9iZ@YlO7W^<j-q4hr`BozJd#G>S-{>g?}@>Q&FTHqLGm0KN8CNQ
zbsF*K*_q<O3~A%ckG2EY25h0?y*pvvi<ky8Pz6)@(JC>GGn(H#MoJ0Gi8cz8QPE~v
z7%g{Eq5BVyoi=l%W~ytd=?8o=m^1vM9!Gu+myH-vZ`4fHjE85#aS5%wW!yap+wr{`
zQJS(EBe;E2d|;1%{Ie$pgL!H45?;?=Se7-4`%Gn-_M1BF^vii$z<-Q2vJJu<6ullU
zieRkHSq2j7qlme?gE(tF4<5O-+!&gu@Wb$acvQD#jFGmkcAEBtg)I63$-c(V)9uhg
z$NJlHYQ$vp<n(<DbBj5#e3p9=Gby;_{1l~3o3{q3(lv8v;_oSFkTM1-oZ2K)YXsw@
zJRvgrMC3%2n7uK3VCG)iRjaqIwXyH{$CK#Qu%^2jupZn(S07nlu3#k@g1p!?&#3qL
zRp@i@t9i!d(>)92wl6MSNeSTzVmCs>r6fh~`4hx!jZBI>mm@pzLoaf2;%>*1)w>Wo
z4U=efw>9+ck^|mt@3UUd&Wejrxlo!ApN?7COq=vs`F2jkF5~>!z^8#LI~_YecN=Rb
zP#Z~}TZgTOcuQc*oWv$)4`-F%*WYdCC^NH`sA|nd$I@@@AH1s87jFhC8;d+!!g*Ap
z7T(pl&$l&Eb|`A}xomZl;xp-!ZOVO${td$)afBBwZHJ(B{pq52tjnx~C7CuiXJgkp
zsB`~JKmS#&zNCENobvJ#9nFF4We1z1Nqi<!w$1AjSKITx43{=-?#aW$#T#-G{Db7D
zOU~O=>X-X|7&gszHYe)Vv#TG7K6|2R_*Ki%c;lzolF@?YiKUw|<kFv9H@B4yt#SM|
z%szZA-%>8a4}B8Ud%DFO!`0i2Y~izrZ}tBu()jK&d8teyL-C%~j?b2&U(fQlt&hGY
zdX`9wUybNs0%7Ds)vn0Lg1JAHXY=%~bn@=Ai<=M&d4JzN)Mn>XQci~Z>5pbi;P>4x
z3IlsTZoawB+ceOo5O9yUIB;f0+Te5bkH(muYi%2>A<MoJm48uw$lEG<I!p%F?P+hO
z&?7(LH`?tk4sBZZ#ZFOc;oI<u($m!~v5|@!BhMe*2+2PP!ZdH1Y*~>AqrnGV?!)cG
zA^327`)a!dnQ)xe`LU}?(#mgyZb%7}a^ir&kt;jrZ|!mKy;{<2Eyx_Xz*6*y27AaE
zk#;>cuJLQvE@-JUkItJud0htp=t{NWD#re~ySXY(#wHw*BTXbixA{vZ*3h`f&=wUC
z)AKk<<8V_8<M(lqObbF{b#YfL>&K@!P#*6VR_&!5T|AzFxa`AqQ0X{!LwG5Oho*$x
zaMbQM;T`kdgm-RCOx9qa{{`Q$gUnI8!coXx>ly!Ebu_5dq<oVW*24r4<pSv61r%BU
zU`+t5ClIhk1^7k_NM-(?0wMK#g)E1QH^9=p+)M&*rG>eXodbU&Kyu;M3DO*wyGo`m
zR&(wmJ#z)j3<8;G8`7)bQH+A*)Xk1S_saT<xq26O%O+3zAT%0%-0_<FGCnc!(v!Tu
ztbkyZB;^zoECp_jmyMu*G~z?Nz3Y6|2eYga`IIp&si5fSZ_W+#G12<z_DFag9G+~F
zeB19vLN6HHe~%4uppad@wem_?(0sUNr=*h1`hm#`#@HERSDAMI>CC5kw3CxlT6C#l
z#rcABedNEypo!(HV=_=>;^PVLw5*7%y~SpqU#wu8Jw-0cjrX*L2=d_0OaXq{Tn|3(
z`f!O8>^b~>D3Xt2p{eNsza7Bk)G)6|p|kverq1)yPQHzHaBy(-^gNVx*~NiWK}naC
zD}t&X^p}5xDQ|Rjbzjs^|Bk_YJ|Ya>iHnPCIiuu#t}JG}Gm)hS?;KR}#fEHbY>;9Z
zd|bXO4xewFM~ik}`RVBBNc#H5FgqBw%q(g|hTleIe~!^AFE4Ln6nIOzX!0dQ><c}e
zcp#XJ$K$;S=Kz>?r(SaDQ@D(@w1+OdFVI~<7K>n1CMkGtj`oz52{8%Gf>cotu~m-%
z^NdUX%rxxtJ@SVM+J37$3t0osI*_$DvYLnX-L7|q*aKnY*#9T>m?SN~V`wLfiwEVN
z3RS%3lM0zu8mPHSVNebke>hM>0%Q7teFgDu_aP$DPW4vHR&7D2ih|}UWFb2KH|ERF
zKi0o9toUK$Al=)Dwz-ZxkLzR;&}aDaD2V*hX{jyPYpjZp#MgNbgl#3t<_xh-M~zF~
zLB@Zaa$edf_;sS?^V^T|hv@fW_3PlpEFP)6(Bj9o>^Iq=*&W>{1tpzB!C+`h7(LsC
z_OV?XFZ6L0+o#IP-NlZ?%q%!uH&328)7QsPiNisVPxO?1ARMSu|GJ2X2m_a0q)Vma
zI_#$79q5LUJfEJPUI7SfjzBzCpxB!H?CI%|jf{%gL%66_fhEUA{uBRRdsk2Qs=C!}
z#<{*0KGOT{7z>NuH27<9!4Wj^6*(A8;Q_nRqz%;Uq`bgDTng!#1s<`w+1jpXnl~uy
zv1d0-qZw3kn~=pzGh<a;G)lw2Xlc}e)pzT7LcM}R`AKI?pi~|#H$-708KYV~%mzxm
z34rP6iy!~Q7Lvt-fLPc+|MlHc0RRjD06*aWFjRYiR!5{ym_v2jWsLtiR)Qu$<6pHT
zN2J>yz?ZLMBOH{R_f*y&LEK0l=;JcOroU(SVnB1=m7417VCNvoeX;elJo;spa4JU|
zHd*y&j8^v0IymWfWuOG8duHwY^hiWKd~Vklb(fY=%z#I5jX=^)w_gH-hXx0Oa&E_X
z4VwwBydkAT@62^1#!KJ*L*b#^71mzK^D3Vh;l3pyA<;#-beK0Dqe(BiT8f%`Q@Mn2
znb%IHaoIiW?Cgw=9@UU+L5OHgOkPLM4elgJ@5(iG4-F5u-Bi#)od6^56~Y(}i`bR*
zGX`Ll&(CBciJiU+tf9l%+1c_fm`ruE5Bsznj4Heugcp}}=9LdMH8j>gPHpcIUs3A%
zQf>w^*wkY5x(F|qJNupMUp@FkF{qkRPTc!mw^SIbUi$X2p4n}|$SgI6*XbD<DLQ2<
z@zS>iTgUvHRZe&7CaGcYRYJqTg)%7VV6nD-n$(|2AUP;t6vO}^&Jg-?5z_Cnqj|Bv
op$#FwH+^sMzs&Ui25^^v2i5{hqYEEq{%#hat*#5lsal8r2Y_}?VgLXD

literal 0
Hc$@<O00001

diff --git a/gui/resources/sqpguiresources.qrc b/gui/resources/sqpguiresources.qrc
index 1258c0f..93bbd78 100644
--- a/gui/resources/sqpguiresources.qrc
+++ b/gui/resources/sqpguiresources.qrc
@@ -1,5 +1,7 @@
 <RCC>
     <qresource prefix="/">
         <file>icones/openInspector.png</file>
+        <file>icones/next.png</file>
+        <file>icones/previous.png</file>
     </qresource>
 </RCC>
diff --git a/gui/src/SidePane/SqpSidePane.cpp b/gui/src/SidePane/SqpSidePane.cpp
index 72e6ea9..ac7494f 100644
--- a/gui/src/SidePane/SqpSidePane.cpp
+++ b/gui/src/SidePane/SqpSidePane.cpp
@@ -34,13 +34,6 @@ SqpSidePane::SqpSidePane(QWidget *parent) : QWidget{parent}, ui{new Ui::SqpSideP
     this->layout()->addWidget(m_SidePaneToolbar);
 
     m_SidePaneToolbar->setStyleSheet(SQPSIDEPANESTYLESHEET);
-
-    this->setStyleSheet(
-        " QWidget {"
-        "background: red;"
-
-        "border: 1px;"
-        " }");
 }
 
 SqpSidePane::~SqpSidePane()
diff --git a/gui/src/TimeWidget/TimeWidget.cpp b/gui/src/TimeWidget/TimeWidget.cpp
new file mode 100644
index 0000000..69cdd16
--- /dev/null
+++ b/gui/src/TimeWidget/TimeWidget.cpp
@@ -0,0 +1,12 @@
+#include "TimeWidget/TimeWidget.h"
+#include "ui_TimeWidget.h"
+
+TimeWidget::TimeWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::TimeWidget}
+{
+    ui->setupUi(this);
+}
+
+TimeWidget::~TimeWidget()
+{
+    delete ui;
+}
diff --git a/gui/ui/Sidepane/SqpSidePane.ui b/gui/ui/SidePane/SqpSidePane.ui
similarity index 100%
rename from gui/ui/Sidepane/SqpSidePane.ui
rename to gui/ui/SidePane/SqpSidePane.ui
diff --git a/gui/ui/TimeWidget/TimeWidget.ui b/gui/ui/TimeWidget/TimeWidget.ui
new file mode 100644
index 0000000..67cc2c2
--- /dev/null
+++ b/gui/ui/TimeWidget/TimeWidget.ui
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>TimeWidget</class>
+ <widget class="QWidget" name="TimeWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>716</width>
+    <height>48</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout_2">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>TStart :</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDateTimeEdit" name="startDateTimeEdit">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="displayFormat">
+      <string>dd/MM/yyyy HH:mm:ss:zzz</string>
+     </property>
+     <property name="calendarPopup">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_2">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>TEnd :</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDateTimeEdit" name="endDateTimeEdit">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="displayFormat">
+      <string>dd/MM/yyyy HH:mm:ss:zzz</string>
+     </property>
+     <property name="calendarPopup">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/plugins/mockplugin/src/CosinusProvider.cpp b/plugins/mockplugin/src/CosinusProvider.cpp
index b6e4e12..e538ccb 100644
--- a/plugins/mockplugin/src/CosinusProvider.cpp
+++ b/plugins/mockplugin/src/CosinusProvider.cpp
@@ -3,6 +3,8 @@
 #include <Data/DataProviderParameters.h>
 #include <Data/ScalarSeries.h>
 
+#include <cmath>
+
 std::unique_ptr<IDataSeries>
 CosinusProvider::retrieveData(const DataProviderParameters &parameters) const
 {