Make sure unordered map references aren't invalidated by reserving sufficient space

scwx-qt/source/scwx/qt/settings/audio_settings.cpp

@@ -57,7 +57,10 @@ public:
                    config::CountyDatabase::GetCountyName(value) != value;
          });
 
-      for (auto& phenomenon : types::GetAlertAudioPhenomena())
+      auto& alertAudioPhenomena = types::GetAlertAudioPhenomena();
+      alertEnabled_.reserve(alertAudioPhenomena.size() + 1);
+
+      for (auto& phenomenon : alertAudioPhenomena)
       {
          std::string phenomenonCode = awips::GetPhenomenonCode(phenomenon);
          std::string name           = fmt::format("{}_enabled", phenomenonCode);

scwx-qt/source/scwx/qt/settings/hotkey_settings.cpp

@@ -50,6 +50,8 @@ class HotkeySettings::Impl
 public:
    explicit Impl()
    {
+      hotkey_.reserve(types::HotkeyIterator().count() + 1);
+
       for (const auto& hotkey : types::HotkeyIterator())
       {
          const std::string& name = types::GetHotkeyShortName(hotkey);

scwx-qt/source/scwx/qt/settings/palette_settings.cpp

@@ -78,6 +78,8 @@ class PaletteSettings::Impl
 public:
    explicit Impl()
    {
+      palette_.reserve(kPaletteKeys_.size());
+
       for (const auto& name : kPaletteKeys_)
       {
          const std::string& defaultValue = kDefaultPalettes_.at(name);
@@ -92,6 +94,9 @@ public:
          variables_.push_back(&settingsVariable);
       };
 
+      activeAlertColor_.reserve(kAlertColors_.size());
+      inactiveAlertColor_.reserve(kAlertColors_.size());
+
       for (auto& alert : kAlertColors_)
       {
          std::string phenomenonCode = awips::GetPhenomenonCode(alert.first);

scwx-qt/source/scwx/qt/settings/text_settings.cpp

@@ -122,6 +122,8 @@ TextSettings& TextSettings::operator=(TextSettings&&) noexcept = default;
 
 void TextSettings::Impl::InitializeFontVariables()
 {
+   fontData_.reserve(types::FontCategoryIterator().count());
+
    for (auto fontCategory : types::FontCategoryIterator())
    {
       auto  result = fontData_.emplace(fontCategory, FontData {});

scwx-qt/source/scwx/qt/ui/settings/hotkey_settings_widget.cpp

@@ -46,6 +46,8 @@ public:
 
       int row = 0;
 
+      hotkeys_.reserve(types::HotkeyIterator().count());
+
       for (types::Hotkey hotkey : types::HotkeyIterator())
       {
          const std::string& labelText = types::GetHotkeyLongName(hotkey);

scwx-qt/source/scwx/qt/ui/settings_dialog.cpp

@@ -658,6 +658,8 @@ void SettingsDialogImpl::SetupPalettesColorTablesTab()
    QGridLayout* colorTableLayout =
       reinterpret_cast<QGridLayout*>(self_->ui->colorTableContents->layout());
 
+   colorTables_.reserve(kColorTableTypes_.size());
+
    int colorTableRow = 0;
    for (auto& colorTableType : kColorTableTypes_)
    {
@@ -764,8 +766,13 @@ void SettingsDialogImpl::SetupPalettesAlertsTab()
    alertsLayout->addWidget(activeLabel, 0, 1, 1, 4);
    alertsLayout->addWidget(inactiveLabel, 0, 5, 1, 4);
 
+   auto& alertPhenomena = settings::PaletteSettings::alert_phenomena();
+
+   activeAlertColors_.reserve(alertPhenomena.size());
+   inactiveAlertColors_.reserve(alertPhenomena.size());
+
    int alertsRow = 1;
-   for (auto& phenomenon : settings::PaletteSettings::alert_phenomena())
+   for (auto& phenomenon : alertPhenomena)
    {
       QFrame* activeFrame   = new QFrame(self_);
       QFrame* inactiveFrame = new QFrame(self_);
@@ -963,10 +970,13 @@ void SettingsDialogImpl::SetupAudioTab()
    alertAudioLongitude_.SetResetButton(
       self_->ui->resetAlertAudioLongitudeButton);
 
+   auto& alertAudioPhenomena = types::GetAlertAudioPhenomena();
    auto  alertAudioLayout =
       static_cast<QGridLayout*>(self_->ui->alertAudioGroupBox->layout());
 
-   for (const auto& phenomenon : types::GetAlertAudioPhenomena())
+   alertAudioEnabled_.reserve(alertAudioPhenomena.size());
+
+   for (const auto& phenomenon : alertAudioPhenomena)
    {
       QCheckBox* alertAudioCheckbox = new QCheckBox(self_);
       alertAudioCheckbox->setText(
@@ -1062,6 +1072,12 @@ void SettingsDialogImpl::SetupTextTab()
    settings::TextSettings& textSettings = settings::TextSettings::Instance();
 
    self_->ui->fontListView->setModel(fontCategoryModel_);
+
+   const auto fontCategoryCount = types::FontCategoryIterator().count();
+   fontFamilies_.reserve(fontCategoryCount);
+   fontStyles_.reserve(fontCategoryCount);
+   fontPointSizes_.reserve(fontCategoryCount);
+
    for (const auto& fontCategory : types::FontCategoryIterator())
    {
       // Add font category to list view

wxdata/include/scwx/util/iterator.hpp

@@ -28,6 +28,11 @@ public:
       static const Iterator endIterator = ++Iterator(endValue);
       return endIterator;
    }
+   std::size_t count()
+   {
+      return static_cast<value_t>(endValue) - static_cast<value_t>(beginValue) +
+             1;
+   }
    bool operator!=(const Iterator& i) { return value_ != i.value_; }
 };