CursesDialog: don't use else after return

Source/CursesDialog/cmCursesBoolWidget.cxx

@@ -40,9 +40,8 @@ bool cmCursesBoolWidget::HandleInput(int& key, cmCursesMainForm* /*fm*/,
     touchwin(w);
     wrefresh(w);
     return true;
-  } else {
-    return false;
   }
+  return false;
 }
 
 void cmCursesBoolWidget::SetValueAsBool(bool value)

Source/CursesDialog/cmCursesCacheEntryComposite.cxx

@@ -110,7 +110,6 @@ const char* cmCursesCacheEntryComposite::GetValue()
 {
   if (this->Label) {
     return this->Label->GetValue();
-  } else {
-    return CM_NULLPTR;
   }
+  return CM_NULLPTR;
 }

Source/CursesDialog/cmCursesOptionsWidget.cxx

@@ -13,10 +13,7 @@
 
 #include "cmCursesMainForm.h"
 
-inline int ctrl(int z)
-{
-  return (z & 037);
-}
+#define ctrl(z) ((z)&037)
 
 cmCursesOptionsWidget::cmCursesOptionsWidget(int width, int height, int left,
                                              int top)
@@ -34,25 +31,27 @@ cmCursesOptionsWidget::cmCursesOptionsWidget(int width, int height, int left,
 bool cmCursesOptionsWidget::HandleInput(int& key, cmCursesMainForm* /*fm*/,
                                         WINDOW* w)
 {
-
-  // 10 == enter
-  if (key == 10 || key == KEY_ENTER) {
-    this->NextOption();
-    touchwin(w);
-    wrefresh(w);
-    return true;
-  } else if (key == KEY_LEFT || key == ctrl('b')) {
-    touchwin(w);
-    wrefresh(w);
-    this->PreviousOption();
-    return true;
-  } else if (key == KEY_RIGHT || key == ctrl('f')) {
-    this->NextOption();
-    touchwin(w);
-    wrefresh(w);
-    return true;
-  } else {
-    return false;
+  switch (key) {
+    case 10: // 10 == enter
+    case KEY_ENTER:
+      this->NextOption();
+      touchwin(w);
+      wrefresh(w);
+      return true;
+    case KEY_LEFT:
+    case ctrl('b'):
+      touchwin(w);
+      wrefresh(w);
+      this->PreviousOption();
+      return true;
+    case KEY_RIGHT:
+    case ctrl('f'):
+      this->NextOption();
+      touchwin(w);
+      wrefresh(w);
+      return true;
+    default:
+      return false;
   }
 }
 

Source/CursesDialog/cmCursesStringWidget.cxx

@@ -94,10 +94,9 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
       // quit
       if (key == 'q') {
         return false;
-      } else {
-        key = getch();
-        continue;
       }
+      key = getch();
+      continue;
     }
 
     // If resize occurred during edit, move out of edit mode
@@ -207,7 +206,6 @@ bool cmCursesStringWidget::PrintKeys()
     curses_move(y - 3, 0);
     printw(fmt_s, "Editing option, press [enter] to leave edit.");
     return true;
-  } else {
-    return false;
   }
+  return false;
 }