diff --git a/gui_qt/dialogcolorgradation.cpp b/gui_qt/dialogcolorgradation.cpp
index 7c2f61b..08eac79 100644
--- a/gui_qt/dialogcolorgradation.cpp
+++ b/gui_qt/dialogcolorgradation.cpp
@@ -27,14 +27,17 @@ DialogColorGradation::DialogColorGradation(QWidget *parent, ColorGradation* grad
     
     _preview_red = new PreviewColorGradation(this, gradation, COLORGRADATIONBAND_RED);
     _preview_red->setMinimumHeight(50);
+    connect(_preview_red, SIGNAL(clicked()), this, SLOT(selectRed()));
     layout()->addWidget(_preview_red);
 
     _preview_green = new PreviewColorGradation(this, gradation, COLORGRADATIONBAND_GREEN);
     _preview_green->setMinimumHeight(50);
+    connect(_preview_green, SIGNAL(clicked()), this, SLOT(selectGreen()));
     layout()->addWidget(_preview_green);
 
     _preview_blue = new PreviewColorGradation(this, gradation, COLORGRADATIONBAND_BLUE);
     _preview_blue->setMinimumHeight(50);
+    connect(_preview_blue, SIGNAL(clicked()), this, SLOT(selectBlue()));
     layout()->addWidget(_preview_blue);
 
     _preview_final = new PreviewColorGradation(this, gradation, COLORGRADATIONBAND_FINAL);
@@ -87,8 +90,25 @@ void DialogColorGradation::revert()
     revertToCurrent();
 }
 
-void DialogColorGradation::revertToCurrent()
+void DialogColorGradation::selectRed()
 {
     colorGradationGetRedCurve(_current, _curve);
     _curve_editor->setCurve(_curve);
 }
+
+void DialogColorGradation::selectGreen()
+{
+    colorGradationGetGreenCurve(_current, _curve);
+    _curve_editor->setCurve(_curve);
+}
+
+void DialogColorGradation::selectBlue()
+{
+    colorGradationGetBlueCurve(_current, _curve);
+    _curve_editor->setCurve(_curve);
+}
+
+void DialogColorGradation::revertToCurrent()
+{
+    selectRed();
+}
diff --git a/gui_qt/dialogcolorgradation.h b/gui_qt/dialogcolorgradation.h
index 65e5ae1..2e445fb 100644
--- a/gui_qt/dialogcolorgradation.h
+++ b/gui_qt/dialogcolorgradation.h
@@ -21,6 +21,9 @@ public:
 public slots:
     virtual void accept();
     void revert();
+    void selectRed();
+    void selectGreen();
+    void selectBlue();
 
 protected:
     virtual void closeEvent(QCloseEvent* e);
diff --git a/gui_qt/mainwindow.cpp b/gui_qt/mainwindow.cpp
index df7a856..e5d132d 100644
--- a/gui_qt/mainwindow.cpp
+++ b/gui_qt/mainwindow.cpp
@@ -82,14 +82,14 @@ MainWindow::MainWindow(QWidget *parent) :
     tabs->addTab(form, tr("Water"));
     QObject::connect(form, SIGNAL(configApplied()), this, SLOT(refreshAll()));
 
-    form = new FormAtmosphere(tabs);
-    tabs->addTab(form, tr("Atmosphere"));
-    QObject::connect(form, SIGNAL(configApplied()), this, SLOT(refreshAll()));
-
     form = new FormSky(tabs);
     tabs->addTab(form, tr("Sky"));
     QObject::connect(form, SIGNAL(configApplied()), this, SLOT(refreshAll()));
 
+    form = new FormAtmosphere(tabs);
+    tabs->addTab(form, tr("Atmosphere"));
+    QObject::connect(form, SIGNAL(configApplied()), this, SLOT(refreshAll()));
+
     form = new FormClouds(tabs);
     tabs->addTab(form, tr("Clouds"));
     QObject::connect(form, SIGNAL(configApplied()), this, SLOT(refreshAll()));
diff --git a/gui_qt/previewcolorgradation.cpp b/gui_qt/previewcolorgradation.cpp
index 975ccb9..1675be7 100644
--- a/gui_qt/previewcolorgradation.cpp
+++ b/gui_qt/previewcolorgradation.cpp
@@ -66,3 +66,8 @@ void PreviewColorGradation::paintEvent(QPaintEvent* event)
 
     curveDelete(curve);
 }
+
+void PreviewColorGradation::mouseReleaseEvent(QMouseEvent* event)
+{
+    emit clicked();
+}
diff --git a/gui_qt/previewcolorgradation.h b/gui_qt/previewcolorgradation.h
index 04acb59..0b4035e 100644
--- a/gui_qt/previewcolorgradation.h
+++ b/gui_qt/previewcolorgradation.h
@@ -19,6 +19,10 @@ class PreviewColorGradation:public QWidget
 public:
     PreviewColorGradation(QWidget* parent, ColorGradation* gradation, EnumColorGradationBand band);
     void paintEvent(QPaintEvent* event);
+    void mouseReleaseEvent(QMouseEvent* event);
+    
+signals:
+    void clicked();
 
 private:
     ColorGradation* gradation;
diff --git a/i18n/paysages_fr.ts b/i18n/paysages_fr.ts
index 86ab83f..1270b12 100644
--- a/i18n/paysages_fr.ts
+++ b/i18n/paysages_fr.ts
@@ -37,7 +37,7 @@
 <context>
     <name>DialogColorGradation</name>
     <message>
-        <location filename="../gui_qt/dialogcolorgradation.cpp" line="50"/>
+        <location filename="../gui_qt/dialogcolorgradation.cpp" line="53"/>
         <source>Paysages 3D - Color gradation editor</source>
         <translation>Paysages 3D - Editeur de gradients de couleur</translation>
     </message>
@@ -529,12 +529,12 @@
         <translation>Eau</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="86"/>
+        <location filename="../gui_qt/mainwindow.cpp" line="90"/>
         <source>Atmosphere</source>
         <translation>Atmosphère</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="90"/>
+        <location filename="../gui_qt/mainwindow.cpp" line="86"/>
         <source>Sky</source>
         <translation>Ciel</translation>
     </message>