Added settings dialog

Added platform specific settings storage/retrieval

FossilOrigin-Name: 66205d14199523228d7f6fa0241a7ef7162f6940

SettingsDialog.cpp

@@ -0,0 +1,49 @@
+#include "SettingsDialog.h"
+#include "ui_SettingsDialog.h"
+#include <QFileDialog>
+
+SettingsDialog::SettingsDialog(QWidget *parent, Settings &_settings) :
+	QDialog(parent, Qt::Sheet),
+	ui(new Ui::SettingsDialog),
+	settings(&_settings)
+{
+	ui->setupUi(this);
+	ui->lineEdit->setText(settings->fossilPath);
+}
+
+SettingsDialog::~SettingsDialog()
+{
+    delete ui;
+}
+
+void SettingsDialog::on_btnSelectFossil_clicked()
+{
+#ifdef Q_WS_WIN
+	QString filter(tr("Fossil Executables (*.exe)"));
+#else
+	QString filter(tr("Fossil Executables (*)"));
+#endif
+	QString path = QFileDialog::getOpenFileName(
+				this,
+				tr("Select Fossil Executable"),
+				QString(),
+				filter,
+				&filter);
+
+	if(QFile::exists(path))
+	{
+		ui->lineEdit->setText(path)	;
+	}
+}
+
+
+bool SettingsDialog::run(QWidget *parent, Settings &settings)
+{
+	SettingsDialog dlg(parent, settings);
+	return dlg.exec() == QDialog::Accepted;
+}
+
+void SettingsDialog::on_buttonBox_accepted()
+{
+	settings->fossilPath = ui->lineEdit->text();
+}