Merge topic 'smart_ptr/cmCurses'

7d6e08b438 cmCursesMainForm: change Entries to object vector
0833486d62 cmCursesStringWidget: remove manual delete
bc71b253cb cmCursesCacheEntryComposite: default destructor
36875ff419 cmCursesMainForm: cleanup manual allocation
2b16071149 CursesDialog: modernize CMake usage

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3849

8 files changed, 157 insertions, 203 deletions

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 0c1f3b1..4e3e842 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -1145,7 +1145,7 @@ target_link_libraries(cpack CPackLib)
 
 # Curses GUI
 if(BUILD_CursesDialog)
-  include(${CMake_SOURCE_DIR}/Source/CursesDialog/CMakeLists.txt)
+  add_subdirectory(CursesDialog)
 endif()
 
 # Qt GUI
diff --git a/Source/CursesDialog/CMakeLists.txt b/Source/CursesDialog/CMakeLists.txt
index 270b07e..7009717 100644
--- a/Source/CursesDialog/CMakeLists.txt
+++ b/Source/CursesDialog/CMakeLists.txt
@@ -1,26 +1,22 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
 # file Copyright.txt or https://cmake.org/licensing for details.
 
-set( CURSES_SRCS
-              CursesDialog/cmCursesOptionsWidget.cxx
-              CursesDialog/cmCursesBoolWidget.cxx
-              CursesDialog/cmCursesCacheEntryComposite.cxx
-              CursesDialog/cmCursesDummyWidget.cxx
-              CursesDialog/cmCursesFilePathWidget.cxx
-              CursesDialog/cmCursesForm.cxx
-              CursesDialog/cmCursesLabelWidget.cxx
-              CursesDialog/cmCursesLongMessageForm.cxx
-              CursesDialog/cmCursesMainForm.cxx
-              CursesDialog/cmCursesPathWidget.cxx
-              CursesDialog/cmCursesStringWidget.cxx
-              CursesDialog/cmCursesWidget.cxx
-              CursesDialog/ccmake.cxx
-   )
-
-include_directories(${CURSES_INCLUDE_PATH})
-
-
-add_executable(ccmake ${CURSES_SRCS} )
+add_executable(ccmake
+  ccmake.cxx
+  cmCursesBoolWidget.cxx
+  cmCursesCacheEntryComposite.cxx
+  cmCursesDummyWidget.cxx
+  cmCursesFilePathWidget.cxx
+  cmCursesForm.cxx
+  cmCursesLabelWidget.cxx
+  cmCursesLongMessageForm.cxx
+  cmCursesMainForm.cxx
+  cmCursesOptionsWidget.cxx
+  cmCursesPathWidget.cxx
+  cmCursesStringWidget.cxx
+  cmCursesWidget.cxx
+  )
+target_include_directories(ccmake PRIVATE ${CURSES_INCLUDE_PATH})
 target_link_libraries(ccmake CMakeLib)
 if(CMAKE_USE_SYSTEM_FORM)
   find_path(CURSES_FORM_INCLUDE_DIR NAMES form.h HINTS ${CURSES_INCLUDE_PATH} ${CURSES_INCLUDE_PATH}/ncurses)
diff --git a/Source/CursesDialog/cmCursesCacheEntryComposite.cxx b/Source/CursesDialog/cmCursesCacheEntryComposite.cxx
index 47fe84c..561784c 100644
--- a/Source/CursesDialog/cmCursesCacheEntryComposite.cxx
+++ b/Source/CursesDialog/cmCursesCacheEntryComposite.cxx
@@ -13,9 +13,11 @@
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
-#include "cmake.h"
+
+#include <cm/memory>
 
 #include <cassert>
+#include <utility>
 #include <vector>
 
 cmCursesCacheEntryComposite::cmCursesCacheEntryComposite(
@@ -24,61 +26,65 @@ cmCursesCacheEntryComposite::cmCursesCacheEntryComposite(
   , LabelWidth(labelwidth)
   , EntryWidth(entrywidth)
 {
-  this->Label = new cmCursesLabelWidget(this->LabelWidth, 1, 1, 1, key);
-  this->IsNewLabel = new cmCursesLabelWidget(1, 1, 1, 1, " ");
-  this->Entry = nullptr;
-  this->Entry = new cmCursesStringWidget(this->EntryWidth, 1, 1, 1);
+  this->Label =
+    cm::make_unique<cmCursesLabelWidget>(this->LabelWidth, 1, 1, 1, key);
+  this->IsNewLabel = cm::make_unique<cmCursesLabelWidget>(1, 1, 1, 1, " ");
+  this->Entry =
+    cm::make_unique<cmCursesStringWidget>(this->EntryWidth, 1, 1, 1);
 }
 
 cmCursesCacheEntryComposite::cmCursesCacheEntryComposite(
-  const std::string& key, cmake* cm, bool isNew, int labelwidth,
+  const std::string& key, cmState* state, bool isNew, int labelwidth,
   int entrywidth)
   : Key(key)
   , LabelWidth(labelwidth)
   , EntryWidth(entrywidth)
 {
-  this->Label = new cmCursesLabelWidget(this->LabelWidth, 1, 1, 1, key);
+  this->Label =
+    cm::make_unique<cmCursesLabelWidget>(this->LabelWidth, 1, 1, 1, key);
   if (isNew) {
-    this->IsNewLabel = new cmCursesLabelWidget(1, 1, 1, 1, "*");
+    this->IsNewLabel = cm::make_unique<cmCursesLabelWidget>(1, 1, 1, 1, "*");
   } else {
-    this->IsNewLabel = new cmCursesLabelWidget(1, 1, 1, 1, " ");
+    this->IsNewLabel = cm::make_unique<cmCursesLabelWidget>(1, 1, 1, 1, " ");
   }
 
-  this->Entry = nullptr;
-  const char* value = cm->GetState()->GetCacheEntryValue(key);
+  const char* value = state->GetCacheEntryValue(key);
   assert(value);
-  switch (cm->GetState()->GetCacheEntryType(key)) {
-    case cmStateEnums::BOOL:
-      this->Entry = new cmCursesBoolWidget(this->EntryWidth, 1, 1, 1);
-      if (cmIsOn(value)) {
-        static_cast<cmCursesBoolWidget*>(this->Entry)->SetValueAsBool(true);
-      } else {
-        static_cast<cmCursesBoolWidget*>(this->Entry)->SetValueAsBool(false);
-      }
+  switch (state->GetCacheEntryType(key)) {
+    case cmStateEnums::BOOL: {
+      auto bw = cm::make_unique<cmCursesBoolWidget>(this->EntryWidth, 1, 1, 1);
+      bw->SetValueAsBool(cmIsOn(value));
+      this->Entry = std::move(bw);
       break;
-    case cmStateEnums::PATH:
-      this->Entry = new cmCursesPathWidget(this->EntryWidth, 1, 1, 1);
-      static_cast<cmCursesPathWidget*>(this->Entry)->SetString(value);
+    }
+    case cmStateEnums::PATH: {
+      auto pw = cm::make_unique<cmCursesPathWidget>(this->EntryWidth, 1, 1, 1);
+      pw->SetString(value);
+      this->Entry = std::move(pw);
       break;
-    case cmStateEnums::FILEPATH:
-      this->Entry = new cmCursesFilePathWidget(this->EntryWidth, 1, 1, 1);
-      static_cast<cmCursesFilePathWidget*>(this->Entry)->SetString(value);
+    }
+    case cmStateEnums::FILEPATH: {
+      auto fpw =
+        cm::make_unique<cmCursesFilePathWidget>(this->EntryWidth, 1, 1, 1);
+      fpw->SetString(value);
+      this->Entry = std::move(fpw);
       break;
+    }
     case cmStateEnums::STRING: {
-      const char* stringsProp =
-        cm->GetState()->GetCacheEntryProperty(key, "STRINGS");
+      const char* stringsProp = state->GetCacheEntryProperty(key, "STRINGS");
       if (stringsProp) {
-        cmCursesOptionsWidget* ow =
-          new cmCursesOptionsWidget(this->EntryWidth, 1, 1, 1);
-        this->Entry = ow;
-        std::vector<std::string> options = cmExpandedList(stringsProp);
-        for (auto const& opt : options) {
+        auto ow =
+          cm::make_unique<cmCursesOptionsWidget>(this->EntryWidth, 1, 1, 1);
+        for (std::string const& opt : cmExpandedList(stringsProp)) {
           ow->AddOption(opt);
         }
         ow->SetOption(value);
+        this->Entry = std::move(ow);
       } else {
-        this->Entry = new cmCursesStringWidget(this->EntryWidth, 1, 1, 1);
-        static_cast<cmCursesStringWidget*>(this->Entry)->SetString(value);
+        auto sw =
+          cm::make_unique<cmCursesStringWidget>(this->EntryWidth, 1, 1, 1);
+        sw->SetString(value);
+        this->Entry = std::move(sw);
       }
       break;
     }
@@ -91,12 +97,7 @@ cmCursesCacheEntryComposite::cmCursesCacheEntryComposite(
   }
 }
 
-cmCursesCacheEntryComposite::~cmCursesCacheEntryComposite()
-{
-  delete this->Label;
-  delete this->IsNewLabel;
-  delete this->Entry;
-}
+cmCursesCacheEntryComposite::~cmCursesCacheEntryComposite() = default;
 
 const char* cmCursesCacheEntryComposite::GetValue()
 {
diff --git a/Source/CursesDialog/cmCursesCacheEntryComposite.h b/Source/CursesDialog/cmCursesCacheEntryComposite.h
index 0a69d3a..a711363 100644
--- a/Source/CursesDialog/cmCursesCacheEntryComposite.h
+++ b/Source/CursesDialog/cmCursesCacheEntryComposite.h
@@ -5,33 +5,38 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include <memory>
 #include <string>
 
 class cmCursesLabelWidget;
 class cmCursesWidget;
-class cmake;
+class cmState;
 
 class cmCursesCacheEntryComposite
 {
 public:
   cmCursesCacheEntryComposite(const std::string& key, int labelwidth,
                               int entrywidth);
-  cmCursesCacheEntryComposite(const std::string& key, cmake* cm, bool isNew,
-                              int labelwidth, int entrywidth);
+  cmCursesCacheEntryComposite(const std::string& key, cmState* state,
+                              bool isNew, int labelwidth, int entrywidth);
   ~cmCursesCacheEntryComposite();
 
   cmCursesCacheEntryComposite(cmCursesCacheEntryComposite const&) = delete;
   cmCursesCacheEntryComposite& operator=(cmCursesCacheEntryComposite const&) =
     delete;
 
+  cmCursesCacheEntryComposite(cmCursesCacheEntryComposite&&) = default;
+  cmCursesCacheEntryComposite& operator=(cmCursesCacheEntryComposite&&) =
+    default;
+
   const char* GetValue();
 
   friend class cmCursesMainForm;
 
 protected:
-  cmCursesLabelWidget* Label;
-  cmCursesLabelWidget* IsNewLabel;
-  cmCursesWidget* Entry;
+  std::unique_ptr<cmCursesLabelWidget> Label;
+  std::unique_ptr<cmCursesLabelWidget> IsNewLabel;
+  std::unique_ptr<cmCursesWidget> Entry;
   std::string Key;
   int LabelWidth;
   int EntryWidth;
diff --git a/Source/CursesDialog/cmCursesMainForm.cxx b/Source/CursesDialog/cmCursesMainForm.cxx
index 5f8a19e..219771b 100644
--- a/Source/CursesDialog/cmCursesMainForm.cxx
+++ b/Source/CursesDialog/cmCursesMainForm.cxx
@@ -2,7 +2,6 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCursesMainForm.h"
 
-#include "cmAlgorithms.h"
 #include "cmCursesCacheEntryComposite.h"
 #include "cmCursesDummyWidget.h"
 #include "cmCursesForm.h"
@@ -18,6 +17,8 @@
 #include "cmVersion.h"
 #include "cmake.h"
 
+#include <cm/memory>
+
 #include <algorithm>
 #include <cstdio>
 #include <cstring>
@@ -34,8 +35,6 @@ cmCursesMainForm::cmCursesMainForm(std::vector<std::string> args,
   , InitialWidth(initWidth)
 {
   this->NumberOfPages = 0;
-  this->Fields = nullptr;
-  this->Entries = nullptr;
   this->AdvancedMode = false;
   this->NumberOfVisibleEntries = 0;
   this->OkToGenerate = false;
@@ -43,7 +42,8 @@ cmCursesMainForm::cmCursesMainForm(std::vector<std::string> args,
     "Welcome to ccmake, curses based user interface for CMake.");
   this->HelpMessage.emplace_back();
   this->HelpMessage.emplace_back(s_ConstHelpMessage);
-  this->CMakeInstance = new cmake(cmake::RoleProject, cmState::Project);
+  this->CMakeInstance =
+    cm::make_unique<cmake>(cmake::RoleProject, cmState::Project);
   this->CMakeInstance->SetCMakeEditCommand(
     cmSystemTools::GetCMakeCursesCommand());
 
@@ -52,8 +52,6 @@ cmCursesMainForm::cmCursesMainForm(std::vector<std::string> args,
     cmStrCat(cmSystemTools::GetProgramPath(this->Args[0]), "/cmake");
   this->Args[0] = whereCMake;
   this->CMakeInstance->SetArgs(this->Args);
-  this->SearchString = "";
-  this->OldSearchString = "";
   this->SearchMode = false;
 }
 
@@ -64,27 +62,15 @@ cmCursesMainForm::~cmCursesMainForm()
     free_form(this->Form);
     this->Form = nullptr;
   }
-  delete[] this->Fields;
-
-  // Clean-up composites
-  if (this->Entries) {
-    cmDeleteAll(*this->Entries);
-  }
-  delete this->Entries;
-  if (this->CMakeInstance) {
-    delete this->CMakeInstance;
-    this->CMakeInstance = nullptr;
-  }
 }
 
 // See if a cache entry is in the list of entries in the ui.
 bool cmCursesMainForm::LookForCacheEntry(const std::string& key)
 {
-  return this->Entries &&
-    std::any_of(this->Entries->begin(), this->Entries->end(),
-                [&key](cmCursesCacheEntryComposite* entry) {
-                  return key == entry->Key;
-                });
+  return std::any_of(this->Entries.begin(), this->Entries.end(),
+                     [&key](cmCursesCacheEntryComposite const& entry) {
+                       return key == entry.Key;
+                     });
 }
 
 // Create new cmCursesCacheEntryComposite entries from the cache
@@ -92,11 +78,10 @@ void cmCursesMainForm::InitializeUI()
 {
   // Create a vector of cmCursesCacheEntryComposite's
   // which contain labels, entries and new entry markers
-  std::vector<cmCursesCacheEntryComposite*>* newEntries =
-    new std::vector<cmCursesCacheEntryComposite*>;
+  std::vector<cmCursesCacheEntryComposite> newEntries;
   std::vector<std::string> cacheKeys =
     this->CMakeInstance->GetState()->GetCacheEntryKeys();
-  newEntries->reserve(cacheKeys.size());
+  newEntries.reserve(cacheKeys.size());
 
   // Count non-internal and non-static entries
   int count = 0;
@@ -112,13 +97,12 @@ void cmCursesMainForm::InitializeUI()
 
   int entrywidth = this->InitialWidth - 35;
 
-  cmCursesCacheEntryComposite* comp;
   if (count == 0) {
     // If cache is empty, display a label saying so and a
     // dummy entry widget (does not respond to input)
-    comp = new cmCursesCacheEntryComposite("EMPTY CACHE", 30, 30);
-    comp->Entry = new cmCursesDummyWidget(1, 1, 1, 1);
-    newEntries->push_back(comp);
+    cmCursesCacheEntryComposite comp("EMPTY CACHE", 30, 30);
+    comp.Entry = cm::make_unique<cmCursesDummyWidget>(1, 1, 1, 1);
+    newEntries.emplace_back(std::move(comp));
   } else {
     // Create the composites.
 
@@ -132,8 +116,8 @@ void cmCursesMainForm::InitializeUI()
       }
 
       if (!this->LookForCacheEntry(key)) {
-        newEntries->push_back(new cmCursesCacheEntryComposite(
-          key, this->CMakeInstance, true, 30, entrywidth));
+        newEntries.emplace_back(key, this->CMakeInstance->GetState(), true, 30,
+                                entrywidth);
         this->OkToGenerate = false;
       }
     }
@@ -148,18 +132,14 @@ void cmCursesMainForm::InitializeUI()
       }
 
       if (this->LookForCacheEntry(key)) {
-        newEntries->push_back(new cmCursesCacheEntryComposite(
-          key, this->CMakeInstance, false, 30, entrywidth));
+        newEntries.emplace_back(key, this->CMakeInstance->GetState(), false,
+                                30, entrywidth);
       }
     }
   }
 
-  // Clean old entries
-  if (this->Entries) {
-    cmDeleteAll(*this->Entries);
-  }
-  delete this->Entries;
-  this->Entries = newEntries;
+  // Replace old entries
+  this->Entries = std::move(newEntries);
 
   // Compute fields from composites
   this->RePost();
@@ -173,18 +153,18 @@ void cmCursesMainForm::RePost()
     free_form(this->Form);
     this->Form = nullptr;
   }
-  delete[] this->Fields;
+  this->Fields.clear();
   if (this->AdvancedMode) {
-    this->NumberOfVisibleEntries = this->Entries->size();
+    this->NumberOfVisibleEntries = this->Entries.size();
   } else {
     // If normal mode, count only non-advanced entries
     this->NumberOfVisibleEntries = 0;
-    for (cmCursesCacheEntryComposite* entry : *this->Entries) {
+    for (cmCursesCacheEntryComposite& entry : this->Entries) {
       const char* existingValue =
-        this->CMakeInstance->GetState()->GetCacheEntryValue(entry->GetValue());
+        this->CMakeInstance->GetState()->GetCacheEntryValue(entry.GetValue());
       bool advanced =
         this->CMakeInstance->GetState()->GetCacheEntryPropertyAsBool(
-          entry->GetValue(), "ADVANCED");
+          entry.GetValue(), "ADVANCED");
       if (!existingValue || (!this->AdvancedMode && advanced)) {
         continue;
       }
@@ -197,38 +177,32 @@ void cmCursesMainForm::RePost()
   }
   // Assign the fields: 3 for each entry: label, new entry marker
   // ('*' or ' ') and entry widget
-  this->Fields = new FIELD*[3 * this->NumberOfVisibleEntries + 1];
-  size_t cc;
-  for (cc = 0; cc < 3 * this->NumberOfVisibleEntries + 1; cc++) {
-    this->Fields[cc] = nullptr;
-  }
+  this->Fields.reserve(3 * this->NumberOfVisibleEntries + 1);
 
   // Assign fields
-  int j = 0;
-  for (cmCursesCacheEntryComposite* entry : *this->Entries) {
+  for (cmCursesCacheEntryComposite& entry : this->Entries) {
     const char* existingValue =
-      this->CMakeInstance->GetState()->GetCacheEntryValue(entry->GetValue());
+      this->CMakeInstance->GetState()->GetCacheEntryValue(entry.GetValue());
     bool advanced =
       this->CMakeInstance->GetState()->GetCacheEntryPropertyAsBool(
-        entry->GetValue(), "ADVANCED");
+        entry.GetValue(), "ADVANCED");
     if (!existingValue || (!this->AdvancedMode && advanced)) {
       continue;
     }
-    this->Fields[3 * j] = entry->Label->Field;
-    this->Fields[3 * j + 1] = entry->IsNewLabel->Field;
-    this->Fields[3 * j + 2] = entry->Entry->Field;
-    j++;
+    this->Fields.push_back(entry.Label->Field);
+    this->Fields.push_back(entry.IsNewLabel->Field);
+    this->Fields.push_back(entry.Entry->Field);
   }
   // if no cache entries there should still be one dummy field
-  if (j == 0) {
-    const auto& front = *this->Entries->front();
-    this->Fields[0] = front.Label->Field;
-    this->Fields[1] = front.IsNewLabel->Field;
-    this->Fields[2] = front.Entry->Field;
+  if (this->Fields.empty()) {
+    const auto& front = this->Entries.front();
+    this->Fields.push_back(front.Label->Field);
+    this->Fields.push_back(front.IsNewLabel->Field);
+    this->Fields.push_back(front.Entry->Field);
     this->NumberOfVisibleEntries = 1;
   }
   // Has to be null terminated.
-  this->Fields[3 * this->NumberOfVisibleEntries] = nullptr;
+  this->Fields.push_back(nullptr);
 }
 
 void cmCursesMainForm::Render(int left, int top, int width, int height)
@@ -261,16 +235,16 @@ void cmCursesMainForm::Render(int left, int top, int width, int height)
   height -= 7;
 
   if (this->AdvancedMode) {
-    this->NumberOfVisibleEntries = this->Entries->size();
+    this->NumberOfVisibleEntries = this->Entries.size();
   } else {
     // If normal, display only non-advanced entries
     this->NumberOfVisibleEntries = 0;
-    for (cmCursesCacheEntryComposite* entry : *this->Entries) {
+    for (cmCursesCacheEntryComposite& entry : this->Entries) {
       const char* existingValue =
-        this->CMakeInstance->GetState()->GetCacheEntryValue(entry->GetValue());
+        this->CMakeInstance->GetState()->GetCacheEntryValue(entry.GetValue());
       bool advanced =
         this->CMakeInstance->GetState()->GetCacheEntryPropertyAsBool(
-          entry->GetValue(), "ADVANCED");
+          entry.GetValue(), "ADVANCED");
       if (!existingValue || (!this->AdvancedMode && advanced)) {
         continue;
       }
@@ -283,12 +257,12 @@ void cmCursesMainForm::Render(int left, int top, int width, int height)
   if (height > 0) {
     bool isNewPage;
     int i = 0;
-    for (cmCursesCacheEntryComposite* entry : *this->Entries) {
+    for (cmCursesCacheEntryComposite& entry : this->Entries) {
       const char* existingValue =
-        this->CMakeInstance->GetState()->GetCacheEntryValue(entry->GetValue());
+        this->CMakeInstance->GetState()->GetCacheEntryValue(entry.GetValue());
       bool advanced =
         this->CMakeInstance->GetState()->GetCacheEntryPropertyAsBool(
-          entry->GetValue(), "ADVANCED");
+          entry.GetValue(), "ADVANCED");
       if (!existingValue || (!this->AdvancedMode && advanced)) {
         continue;
       }
@@ -299,16 +273,16 @@ void cmCursesMainForm::Render(int left, int top, int width, int height)
       if (isNewPage) {
         this->NumberOfPages++;
       }
-      entry->Label->Move(left, top + row - 1, isNewPage);
-      entry->IsNewLabel->Move(left + 32, top + row - 1, false);
-      entry->Entry->Move(left + 33, top + row - 1, false);
-      entry->Entry->SetPage(this->NumberOfPages);
+      entry.Label->Move(left, top + row - 1, isNewPage);
+      entry.IsNewLabel->Move(left + 32, top + row - 1, false);
+      entry.Entry->Move(left + 33, top + row - 1, false);
+      entry.Entry->SetPage(this->NumberOfPages);
       i++;
     }
   }
 
   // Post the form
-  this->Form = new_form(this->Fields);
+  this->Form = new_form(this->Fields.data());
   post_form(this->Form);
   // Update toolbar
   this->UpdateStatusBar();
@@ -655,28 +629,28 @@ void cmCursesMainForm::RemoveEntry(const char* value)
   }
 
   auto removeIt =
-    std::find_if(this->Entries->begin(), this->Entries->end(),
-                 [value](cmCursesCacheEntryComposite* entry) -> bool {
-                   const char* val = entry->GetValue();
+    std::find_if(this->Entries.begin(), this->Entries.end(),
+                 [value](cmCursesCacheEntryComposite& entry) -> bool {
+                   const char* val = entry.GetValue();
                    return val != nullptr && !strcmp(value, val);
                  });
 
-  if (removeIt != this->Entries->end()) {
+  if (removeIt != this->Entries.end()) {
     this->CMakeInstance->UnwatchUnusedCli(value);
-    this->Entries->erase(removeIt);
+    this->Entries.erase(removeIt);
   }
 }
 
 // copy from the list box to the cache manager
 void cmCursesMainForm::FillCacheManagerFromUI()
 {
-  for (cmCursesCacheEntryComposite* entry : *this->Entries) {
-    const std::string& cacheKey = entry->Key;
+  for (cmCursesCacheEntryComposite& entry : this->Entries) {
+    const std::string& cacheKey = entry.Key;
     const char* existingValue =
       this->CMakeInstance->GetState()->GetCacheEntryValue(cacheKey);
     if (existingValue) {
       std::string oldValue = existingValue;
-      std::string newValue = entry->Entry->GetValue();
+      std::string newValue = entry.Entry->GetValue();
       std::string fixedOldValue;
       std::string fixedNewValue;
       cmStateEnums::CacheEntryType t =
@@ -762,7 +736,7 @@ void cmCursesMainForm::HandleInput()
           this->JumpToCacheEntry(this->SearchString.c_str());
           this->OldSearchString = this->SearchString;
         }
-        this->SearchString = "";
+        this->SearchString.clear();
       }
       /*
       else if ( key == KEY_ESCAPE )
@@ -778,7 +752,7 @@ void cmCursesMainForm::HandleInput()
         }
       } else if (key == ctrl('h') || key == KEY_BACKSPACE || key == KEY_DC) {
         if (!this->SearchString.empty()) {
-          this->SearchString.resize(this->SearchString.size() - 1);
+          this->SearchString.pop_back();
         }
       }
     } else if (currentWidget && !this->SearchMode) {
@@ -867,17 +841,9 @@ void cmCursesMainForm::HandleInput()
             curField, "HELPSTRING");
         }
         if (helpString) {
-          char* message = new char
-            [strlen(curField) + strlen(helpString) +
-             strlen(
-               "Current option is: \n Help string for this option is: \n") +
-             10];
-          sprintf(
-            message,
-            "Current option is: %s\nHelp string for this option is: %s\n",
-            curField, helpString);
-          this->HelpMessage[1] = message;
-          delete[] message;
+          this->HelpMessage[1] =
+            cmStrCat("Current option is: ", curField, '\n',
+                     "Help string for this option is: ", helpString, '\n');
         } else {
           this->HelpMessage[1] = "";
         }
@@ -973,14 +939,14 @@ void cmCursesMainForm::HandleInput()
 
           if (nextCur) {
             // make the next or prev. current field after deletion
-            auto nextEntryIt =
-              std::find_if(this->Entries->begin(), this->Entries->end(),
-                           [&nextVal](cmCursesCacheEntryComposite* entry) {
-                             return nextVal == entry->Key;
-                           });
-
-            if (nextEntryIt != this->Entries->end()) {
-              set_current_field(this->Form, (*nextEntryIt)->Entry->Field);
+            auto nextEntryIt = std::find_if(
+              this->Entries.begin(), this->Entries.end(),
+              [&nextVal](cmCursesCacheEntryComposite const& entry) {
+                return nextVal == entry.Key;
+              });
+
+            if (nextEntryIt != this->Entries.end()) {
+              set_current_field(this->Form, nextEntryIt->Entry->Field);
             }
           }
         }
diff --git a/Source/CursesDialog/cmCursesMainForm.h b/Source/CursesDialog/cmCursesMainForm.h
index f3194ab..48d1791 100644
--- a/Source/CursesDialog/cmCursesMainForm.h
+++ b/Source/CursesDialog/cmCursesMainForm.h
@@ -5,15 +5,16 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include "cmCursesCacheEntryComposite.h"
 #include "cmCursesForm.h"
 #include "cmCursesStandardIncludes.h"
 #include "cmStateTypes.h"
 
 #include <cstddef>
+#include <memory>
 #include <string>
 #include <vector>
 
-class cmCursesCacheEntryComposite;
 class cmake;
 
 /** \class cmCursesMainForm
@@ -122,7 +123,7 @@ protected:
   void JumpToCacheEntry(const char* str);
 
   // Copies of cache entries stored in the user interface
-  std::vector<cmCursesCacheEntryComposite*>* Entries;
+  std::vector<cmCursesCacheEntryComposite> Entries;
   // Errors produced during last run of cmake
   std::vector<std::string> Errors;
   // Command line arguments to be passed to cmake each time
@@ -136,11 +137,7 @@ protected:
   static const char* s_ConstHelpMessage;
 
   // Fields displayed. Includes labels, new entry markers, entries
-  FIELD** Fields;
-  // Where is source of current project
-  std::string WhereSource;
-  // Where is cmake executable
-  std::string WhereCMake;
+  std::vector<FIELD*> Fields;
   // Number of entries shown (depends on mode -normal or advanced-)
   size_t NumberOfVisibleEntries;
   bool AdvancedMode;
@@ -150,7 +147,7 @@ protected:
   int NumberOfPages;
 
   int InitialWidth;
-  cmake* CMakeInstance;
+  std::unique_ptr<cmake> CMakeInstance;
 
   std::string SearchString;
   std::string OldSearchString;
diff --git a/Source/CursesDialog/cmCursesStringWidget.cxx b/Source/CursesDialog/cmCursesStringWidget.cxx
index 3fc1858..d3a05e8 100644
--- a/Source/CursesDialog/cmCursesStringWidget.cxx
+++ b/Source/CursesDialog/cmCursesStringWidget.cxx
@@ -9,7 +9,6 @@
 #include "cmStateTypes.h"
 
 #include <cstdio>
-#include <cstring>
 
 inline int ctrl(int z)
 {
@@ -35,13 +34,13 @@ void cmCursesStringWidget::OnTab(cmCursesMainForm* /*unused*/,
 
 void cmCursesStringWidget::OnReturn(cmCursesMainForm* fm, WINDOW* /*unused*/)
 {
-  FORM* form = fm->GetForm();
   if (this->InEdit) {
     cmCursesForm::LogMessage("String widget leaving edit.");
     this->InEdit = false;
     fm->PrintKeys();
-    delete[] this->OriginalString;
+    this->OriginalString.clear();
     // trick to force forms to update the field buffer
+    FORM* form = fm->GetForm();
     form_driver(form, REQ_NEXT_FIELD);
     form_driver(form, REQ_PREV_FIELD);
     this->Done = true;
@@ -49,9 +48,7 @@ void cmCursesStringWidget::OnReturn(cmCursesMainForm* fm, WINDOW* /*unused*/)
     cmCursesForm::LogMessage("String widget entering edit.");
     this->InEdit = true;
     fm->PrintKeys();
-    char* buf = field_buffer(this->Field, 0);
-    this->OriginalString = new char[strlen(buf) + 1];
-    strcpy(this->OriginalString, buf);
+    this->OriginalString = field_buffer(this->Field, 0);
   }
 }
 
@@ -75,7 +72,7 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
     return false;
   }
 
-  this->OriginalString = nullptr;
+  this->OriginalString.clear();
   this->Done = false;
 
   char debugMessage[128];
@@ -113,7 +110,7 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
                key == ctrl('p') || key == KEY_NPAGE || key == ctrl('d') ||
                key == KEY_PPAGE || key == ctrl('u')) {
       this->InEdit = false;
-      delete[] this->OriginalString;
+      this->OriginalString.clear();
       // trick to force forms to update the field buffer
       form_driver(form, REQ_NEXT_FIELD);
       form_driver(form, REQ_PREV_FIELD);
@@ -125,7 +122,7 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
         this->InEdit = false;
         fm->PrintKeys();
         this->SetString(this->OriginalString);
-        delete[] this->OriginalString;
+        this->OriginalString.clear();
         touchwin(w);
         wrefresh(w);
         return true;
@@ -188,23 +185,18 @@ bool cmCursesStringWidget::PrintKeys()
   }
   if (this->InEdit) {
     char fmt_s[] = "%s";
-    char firstLine[512];
     // Clean the toolbar
-    memset(firstLine, ' ', sizeof(firstLine));
-    firstLine[511] = '\0';
     curses_move(y - 4, 0);
-    printw(fmt_s, firstLine);
-    curses_move(y - 3, 0);
-    printw(fmt_s, firstLine);
-    curses_move(y - 2, 0);
-    printw(fmt_s, firstLine);
-    curses_move(y - 1, 0);
-    printw(fmt_s, firstLine);
-
+    clrtoeol();
     curses_move(y - 3, 0);
     printw(fmt_s, "Editing option, press [enter] to confirm");
+    clrtoeol();
     curses_move(y - 2, 0);
     printw(fmt_s, "                press [esc] to cancel");
+    clrtoeol();
+    curses_move(y - 1, 0);
+    clrtoeol();
+
     return true;
   }
   return false;
diff --git a/Source/CursesDialog/cmCursesStringWidget.h b/Source/CursesDialog/cmCursesStringWidget.h
index 021515b..a41f0e8 100644
--- a/Source/CursesDialog/cmCursesStringWidget.h
+++ b/Source/CursesDialog/cmCursesStringWidget.h
@@ -23,9 +23,6 @@ class cmCursesStringWidget : public cmCursesWidget
 public:
   cmCursesStringWidget(int width, int height, int left, int top);
 
-  cmCursesStringWidget(cmCursesStringWidget const&) = delete;
-  cmCursesStringWidget& operator=(cmCursesStringWidget const&) = delete;
-
   /**
    * Handle user input. Called by the container of this widget
    * when this widget has focus. Returns true if the input was
@@ -65,7 +62,7 @@ public:
 protected:
   // true if the widget is in edit mode
   bool InEdit;
-  char* OriginalString;
+  std::string OriginalString;
   bool Done;
 };