feat: Add settings page for providers (#353)

settings/ProvidersSettingsHelpers.hpp

@@ -0,0 +1,64 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QFont>
+#include <QFontDatabase>
+#include <QGridLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPalette>
+#include <QString>
+#include <QWidget>
+
+namespace QodeAssist::Settings {
+
+inline QFont monospaceFont(int pixelSize = 11)
+{
+    QFont f = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+    f.setStyleHint(QFont::Monospace);
+    if (pixelSize > 0)
+        f.setPixelSize(pixelSize);
+    return f;
+}
+
+inline bool isDarkPalette(const QPalette &p)
+{
+    return p.color(QPalette::Window).lightness() < 128;
+}
+
+inline int addFormRow(
+    QGridLayout *grid, int row, const QString &label, QLayout *value, const QString &hint = {})
+{
+    auto *l = new QLabel(label);
+    l->setMinimumWidth(96);
+    l->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+    grid->addWidget(l, row, 0, Qt::AlignTop);
+    auto *holder = new QWidget;
+    holder->setLayout(value);
+    grid->addWidget(holder, row, 1);
+    if (hint.isEmpty())
+        return row + 1;
+    auto *h = new QLabel(hint);
+    QFont hf = h->font();
+    hf.setPixelSize(11);
+    h->setFont(hf);
+    h->setWordWrap(true);
+    QPalette p = h->palette();
+    p.setColor(QPalette::WindowText, p.color(QPalette::Mid));
+    h->setPalette(p);
+    grid->addWidget(h, row + 1, 1);
+    return row + 2;
+}
+
+inline QHBoxLayout *singleField(QWidget *w)
+{
+    auto *lay = new QHBoxLayout;
+    lay->setContentsMargins(0, 0, 0, 0);
+    lay->setSpacing(4);
+    lay->addWidget(w, 1);
+    return lay;
+}
+
+} // namespace QodeAssist::Settings