Sketcher: Use generic tool hints table for DrawSketchHandlerSlot

src/Mod/Sketcher/Gui/DrawSketchHandlerSlot.h

@@ -83,7 +83,27 @@ public:
 private:
     std::list<Gui::InputHint> getToolHints() const override
     {
-        return lookupSlotHints(state());
+        using enum Gui::InputHint::UserInput;
+
+        return Gui::lookupHints<SelectMode>(
+            state(),
+            {
+                {.state = SelectMode::SeekFirst,
+                 .hints =
+                     {
+                         {QObject::tr("%1 pick slot start point"), {MouseLeft}},
+                     }},
+                {.state = SelectMode::SeekSecond,
+                 .hints =
+                     {
+                         {QObject::tr("%1 pick slot end point"), {MouseLeft}},
+                     }},
+                {.state = SelectMode::SeekThird,
+                 .hints =
+                     {
+                         {QObject::tr("%1 pick slot width"), {MouseLeft}},
+                     }},
+            });
     }
 
     void updateDataAndDrawToPosition(Base::Vector2d onSketchPos) override
@@ -349,17 +369,6 @@ private:
     double radius, length, angle;
     bool isHorizontal, isVertical;
     int firstCurve;
-
-    struct HintEntry
-    {
-        SelectMode state;
-        std::list<Gui::InputHint> hints;
-    };
-
-    using HintTable = std::vector<HintEntry>;
-
-    static HintTable getSlotHintTable();
-    static std::list<Gui::InputHint> lookupSlotHints(SelectMode state);
 };
 
 template<>
@@ -706,29 +715,6 @@ void DSHSlotController::addConstraints()
     }
 }
 
-DrawSketchHandlerSlot::HintTable DrawSketchHandlerSlot::getSlotHintTable()
-{
-    return {// Structure: {SelectMode, {hints...}}
-            {SelectMode::SeekFirst,
-             {{QObject::tr("%1 pick slot start point"), {Gui::InputHint::UserInput::MouseLeft}}}},
-            {SelectMode::SeekSecond,
-             {{QObject::tr("%1 pick slot end point"), {Gui::InputHint::UserInput::MouseLeft}}}},
-            {SelectMode::SeekThird,
-             {{QObject::tr("%1 set slot radius"), {Gui::InputHint::UserInput::MouseMove}}}}};
-}
-
-std::list<Gui::InputHint> DrawSketchHandlerSlot::lookupSlotHints(SelectMode state)
-{
-    const auto slotHintTable = getSlotHintTable();
-
-    auto it =
-        std::find_if(slotHintTable.begin(), slotHintTable.end(), [state](const HintEntry& entry) {
-            return entry.state == state;
-        });
-
-    return (it != slotHintTable.end()) ? it->hints : std::list<Gui::InputHint> {};
-}
-
 }  // namespace SketcherGui