feat: add option to load english words

QVectorSearch/mainwindow.cpp

@@ -10,6 +10,7 @@
 #include "tree_finder.h"
 #include "word_list_generator.h"
 
+#include <fstream>
 #include <sstream>
 
 MainWindow::MainWindow(QWidget *parent)
@@ -17,10 +18,12 @@ MainWindow::MainWindow(QWidget *parent)
   ui->setupUi(this);
 
   ui->resultView->setModel(&result_model_);
+  ui->wordListSourceSelector->setModel(&word_list_sources_);
   ui->searchAlgorithmSelector->setModel(&search_algorithms_);
 
   setupAlgorithmSelector();
-  generateWordList();
+  setupWordListSourceSelector();
+  setupWordList();
 }
 
 MainWindow::~MainWindow() { delete ui; }
@@ -33,6 +36,23 @@ void MainWindow::setupAlgorithmSelector() {
   search_algorithms_.appendRow(new QStandardItem("Grouped search"));
 }
 
+void MainWindow::setupWordListSourceSelector() {
+  word_list_sources_.appendRow(new QStandardItem("All 4-caps words"));
+  word_list_sources_.appendRow(new QStandardItem("English words"));
+}
+
+void MainWindow::setupWordList() {
+  switch (ui->wordListSourceSelector->currentIndex()) {
+  case 0:
+  default:
+    generateWordList();
+    break;
+  case 1:
+    loadWordList("words.txt");
+    break;
+  }
+}
+
 void MainWindow::generateWordList() {
   Timer timer;
   word_list_ = WordListGenerator::generate(ui->wordListSizeSelector->value());
@@ -43,6 +63,25 @@ void MainWindow::generateWordList() {
   ui->mainStatusBar->showMessage(QString::fromStdString(status_message.str()));
 }
 
+void MainWindow::loadWordList(std::filesystem::path path) {
+  word_list_.clear();
+
+  Timer timer;
+  std::ifstream ifs(path);
+
+  std::string line;
+  while (std::getline(ifs, line)) {
+    for (auto i = 0; i < ui->wordListSizeSelector->value(); ++i) {
+      word_list_.emplace_back(line);
+    }
+  }
+  timer.stop();
+
+  std::stringstream status_message;
+  status_message << "loaded " << word_list_.size() << " words in " << timer;
+  ui->mainStatusBar->showMessage(QString::fromStdString(status_message.str()));
+}
+
 void MainWindow::search(const QString &search_term) {
   if (search_term.isEmpty()) {
     result_model_.setStringList(QStringList());
@@ -108,9 +147,17 @@ void MainWindow::on_searchAlgorithmSelector_currentIndexChanged(int) {
   QGuiApplication::restoreOverrideCursor();
 }
 
-void MainWindow::on_wordListSizeSelector_valueChanged(int) {
+void MainWindow::on_wordListSourceSelector_currentIndexChanged(int) {
   QGuiApplication::setOverrideCursor(Qt::WaitCursor);
-  generateWordList();
+  setupWordList();
+  createSelectedFinder();
+  search(ui->searchInput->displayText());
+  QGuiApplication::restoreOverrideCursor();
+}
+
+void MainWindow::on_wordListSizeSelector_valueChanged(int) {
+  QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+  setupWordList();
   createSelectedFinder();
   search(ui->searchInput->displayText());
   QGuiApplication::restoreOverrideCursor();

QVectorSearch/mainwindow.h

@@ -5,6 +5,7 @@
 #include <QMainWindow>
 #include <QStandardItemModel>
 #include <QStringListModel>
+#include <filesystem>
 
 QT_BEGIN_NAMESPACE
 namespace Ui {
@@ -19,6 +20,7 @@ private:
   std::vector<std::string> word_list_;
   QStringListModel result_model_;
   QStandardItemModel search_algorithms_;
+  QStandardItemModel word_list_sources_;
   std::unique_ptr<Finder> finder_;
 
 public:
@@ -27,7 +29,10 @@ public:
 
 private:
   void setupAlgorithmSelector();
+  void setupWordListSourceSelector();
+  void setupWordList();
   void generateWordList();
+  void loadWordList(std::filesystem::path path);
   void search(const QString &search_term);
   void createSelectedFinder();
   void showResults(const std::forward_list<const std::string *> &results);
@@ -35,7 +40,8 @@ private:
 private slots:
   void on_searchInput_textChanged(const QString &search_term);
   void on_searchAlgorithmSelector_currentIndexChanged(int);
-  void on_wordListSizeSelector_valueChanged(int new_value);
+  void on_wordListSourceSelector_currentIndexChanged(int);
+  void on_wordListSizeSelector_valueChanged(int);
 
 private:
   Ui::MainWindow *ui;

QVectorSearch/mainwindow.ui

@@ -35,20 +35,10 @@
       <property name="sizeConstraint">
        <enum>QLayout::SetDefaultConstraint</enum>
       </property>
-      <item row="0" column="1">
-       <widget class="QLineEdit" name="searchInput">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="label_2">
+      <item row="3" column="0">
+       <widget class="QLabel" name="label_3">
         <property name="text">
-         <string>Select search algorithm</string>
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select word-list size&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
         </property>
        </widget>
       </item>
@@ -68,14 +58,17 @@
         </property>
        </widget>
       </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="label_3">
-        <property name="text">
-         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select word-list size&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="searchInput">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
         </property>
        </widget>
       </item>
-      <item row="2" column="1">
+      <item row="3" column="1">
        <widget class="QSpinBox" name="wordListSizeSelector">
         <property name="maximum">
          <number>100</number>
@@ -85,6 +78,23 @@
         </property>
        </widget>
       </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Select search algorithm</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label_4">
+        <property name="text">
+         <string>Select word-list source</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QComboBox" name="wordListSourceSelector"/>
+      </item>
      </layout>
     </item>
     <item>