QmlDesigner: Add icons to curve editor

Change-Id: I77f9b28f8cfe04022571d9c0cc092b9206c4df60
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/qmldesigner/components/curveeditor/curveeditor.cpp

@@ -42,12 +42,12 @@ CurveEditor::CurveEditor(CurveEditorModel *model, QWidget *parent)
     , m_tree(new TreeView(model, this))
     , m_view(new GraphicsView(model))
 {
-    QSplitter *splitter = new QSplitter;
+    auto *splitter = new QSplitter;
     splitter->addWidget(m_tree);
     splitter->addWidget(m_view);
     splitter->setStretchFactor(1, 2);
 
-    QVBoxLayout *box = new QVBoxLayout;
+    auto *box = new QVBoxLayout;
     box->addWidget(createToolBar());
     box->addWidget(splitter);
     setLayout(box);
@@ -72,12 +72,12 @@ void CurveEditor::clearCanvas()
 
 QToolBar *CurveEditor::createToolBar()
 {
-    QToolBar *bar = new QToolBar;
+    auto *bar = new QToolBar;
     bar->setFloatable(false);
 
-    QAction *tangentLinearAction = bar->addAction("Linear");
-    QAction *tangentStepAction = bar->addAction("Step");
-    QAction *tangentSplineAction = bar->addAction("Spline");
+    QAction *tangentLinearAction = bar->addAction(QIcon(":/curveeditor/images/tangetToolsLinearIcon.png"), "Linear");
+    QAction *tangentStepAction = bar->addAction(QIcon(":/curveeditor/images/tangetToolsStepIcon.png"), "Step");
+    QAction *tangentSplineAction = bar->addAction(QIcon(":/curveeditor/images/tangetToolsSplineIcon.png"), "Spline");
     QAction *tangentDefaultAction = bar->addAction("Set Default");
 
     auto setLinearInterpolation = [this]() {

src/plugins/qmldesigner/components/curveeditor/curveeditor.pri

@@ -44,3 +44,6 @@ SOURCES += \
     $$PWD/detail/utils.cpp \
     $$PWD/keyframe.cpp \
     $$PWD/treeitem.cpp
+
+    RESOURCES += \
+        $$PWD/curveeditor.qrc

src/plugins/qmldesigner/components/curveeditor/curveeditor.qrc

@@ -0,0 +1,20 @@
+<RCC>
+    <qresource prefix="/curveeditor">
+        <file>images/tangetToolsSplineIcon.png</file>
+        <file>images/tangetToolsSplineIcon@2x.png</file>
+        <file>images/tangetToolsLinearIcon.png</file>
+        <file>images/tangetToolsLinearIcon@2x.png</file>
+        <file>images/tangetToolsStepIcon.png</file>
+        <file>images/tangetToolsStepIcon@2x.png</file>
+        <file>images/treeview_eye.png</file>
+        <file>images/treeview_eye@2x.png</file>
+        <file>images/treeview_pin.png</file>
+        <file>images/treeview_pin@2x.png</file>
+        <file>images/treeview_unpin.png</file>
+        <file>images/treeview_unpin@2x.png</file>
+        <file>images/treeview_unlock@2x.png</file>
+        <file>images/treeview_lock.png</file>
+        <file>images/treeview_lock@2x.png</file>
+        <file>images/treeview_unlock.png</file>
+    </qresource>
+</RCC>

src/plugins/qmldesigner/components/curveeditor/curveeditorstyle.h

@@ -41,10 +41,10 @@ namespace DesignTools {
 struct TreeItemStyleOption
 {
     double margins;
-    QIcon pinnedIcon = QIcon(":/ICON_PINNED");
-    QIcon unpinnedIcon = QIcon(":/ICON_UNPINNED");
-    QIcon lockedIcon = QIcon(":/ICON_LOCKED");
-    QIcon unlockedIcon = QIcon(":/ICON_UNLOCKED");
+    QIcon pinnedIcon = QIcon(":/curveeditor/images/treeview_pin.png");
+    QIcon unpinnedIcon = QIcon(":/curveeditor/images/treeview_unpin.png");
+    QIcon lockedIcon = QIcon(":/curveeditor/images/treeview_lock.png");
+    QIcon unlockedIcon = QIcon(":/curveeditor/images/treeview_unlock.png");
 };
 
 struct HandleItemStyleOption