Misc startup improvement (#3740)

* Misc startup improvement

* fix paths

* clangiftw

* reworked save sets dialog

* Unified load and save steps for tokens and spoilers; added "finished" page

* linting1

* linting2

* wording

* undo layout change

* wording

* fix spoiler path again

* simplify phrase

* lint

* lint fix

Signed-off-by: Zach Halpern <ZaHalpern+github@gmail.com>

oracle/src/pagetemplates.h

@@ -0,0 +1,62 @@
+#ifndef PAGETEMPLATES_H
+#define PAGETEMPLATES_H
+
+#include <QWizardPage>
+
+class OracleWizard;
+class QCheckBox;
+class QLabel;
+class QLineEdit;
+class QProgressBar;
+
+class OracleWizardPage : public QWizardPage
+{
+    Q_OBJECT
+public:
+    explicit OracleWizardPage(QWidget *parent = nullptr) : QWizardPage(parent){};
+    virtual void retranslateUi() = 0;
+
+protected:
+    inline OracleWizard *wizard()
+    {
+        return (OracleWizard *)QWizardPage::wizard();
+    };
+};
+
+class SimpleDownloadFilePage : public OracleWizardPage
+{
+    Q_OBJECT
+public:
+    explicit SimpleDownloadFilePage(QWidget *parent = nullptr);
+
+protected:
+    void initializePage() override;
+    bool validatePage() override;
+    void downloadFile(QUrl url);
+    virtual QString getDefaultUrl() = 0;
+    virtual QString getCustomUrlSettingsKey() = 0;
+    virtual QString getDefaultSavePath() = 0;
+    virtual QString getWindowTitle() = 0;
+    virtual QString getFileType() = 0;
+    bool saveToFile();
+    bool internalSaveToFile(const QString &fileName);
+
+protected:
+    QByteArray downloadData;
+    QLabel *urlLabel;
+    QLabel *pathLabel;
+    QLineEdit *urlLineEdit;
+    QPushButton *urlButton;
+    QLabel *progressLabel;
+    QProgressBar *progressBar;
+    QCheckBox *defaultPathCheckBox;
+
+signals:
+    void parsedDataReady();
+private slots:
+    void actRestoreDefaultUrl();
+    void actDownloadProgress(qint64 received, qint64 total);
+    void actDownloadFinished();
+};
+
+#endif // PAGETEMPLATES_H