Impove UX general setting by added helpers dialogs for user (#42)

- Added dialogs for selecting url, model and custom model when provider doesn't provide model list or setup of qode assist is not finishing

settings/SettingsDialog.cpp

@@ -0,0 +1,89 @@
+/* 
+ * Copyright (C) 2024 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "SettingsDialog.hpp"
+
+namespace QodeAssist::Settings {
+
+SettingsDialog::SettingsDialog(const QString &title, QWidget *parent)
+    : QDialog(parent)
+    , m_mainLayout(new QVBoxLayout(this))
+    , m_buttonLayout(nullptr)
+{
+    setWindowTitle(title);
+    m_mainLayout->setSizeConstraint(QLayout::SetMinAndMaxSize);
+}
+
+QLabel *SettingsDialog::addLabel(const QString &text)
+{
+    auto label = new QLabel(text, this);
+    label->setWordWrap(true);
+    label->setMinimumWidth(300);
+    m_mainLayout->addWidget(label);
+    return label;
+}
+
+QLineEdit *SettingsDialog::addInputField(const QString &labelText, const QString &value)
+{
+    auto inputLayout = new QGridLayout;
+    auto inputLabel = new QLabel(labelText, this);
+    auto inputField = new QLineEdit(value, this);
+    inputField->setMinimumWidth(200);
+
+    inputLayout->addWidget(inputLabel, 0, 0);
+    inputLayout->addWidget(inputField, 0, 1);
+    inputLayout->setColumnStretch(1, 1);
+    m_mainLayout->addLayout(inputLayout);
+
+    return inputField;
+}
+
+void SettingsDialog::addSpacing(int space)
+{
+    m_mainLayout->addSpacing(space);
+}
+
+QHBoxLayout *SettingsDialog::buttonLayout()
+{
+    if (!m_buttonLayout) {
+        m_buttonLayout = new QHBoxLayout;
+        m_buttonLayout->addStretch();
+        m_mainLayout->addLayout(m_buttonLayout);
+    }
+    return m_buttonLayout;
+}
+
+QComboBox *SettingsDialog::addComboBox(
+    const QStringList &items, const QString &currentText, bool editable)
+{
+    auto comboBox = new QComboBox(this);
+    comboBox->addItems(items);
+    comboBox->setCurrentText(currentText);
+    comboBox->setMinimumWidth(300);
+    comboBox->setEditable(editable);
+    m_mainLayout->addWidget(comboBox);
+    return comboBox;
+}
+
+QVBoxLayout *SettingsDialog::mainLayout() const
+{
+    return m_mainLayout;
+}
+
+} // namespace QodeAssist::Settings