Qt: Add ProgressCallback implementation

src/duckstation-qt/qtprogresscallback.cpp

@@ -0,0 +1,102 @@
+#include "qtprogresscallback.h"
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtWidgets/QMessageBox>
+#include <array>
+
+QtProgressCallback::QtProgressCallback(QWidget* parent_widget)
+  : QObject(parent_widget), m_dialog(QString(), QString(), 0, 1, parent_widget)
+{
+  m_dialog.setWindowTitle(tr("DuckStation"));
+  m_dialog.setMinimumSize(QSize(500, 0));
+  m_dialog.setModal(parent_widget != nullptr);
+  m_dialog.show();
+}
+
+QtProgressCallback::~QtProgressCallback() = default;
+
+bool QtProgressCallback::IsCancelled() const
+{
+  return m_dialog.wasCanceled();
+}
+
+void QtProgressCallback::SetCancellable(bool cancellable)
+{
+  BaseProgressCallback::SetCancellable(cancellable);
+  m_dialog.setCancelButtonText(cancellable ? tr("Cancel") : QString());
+}
+
+void QtProgressCallback::SetStatusText(const char* text)
+{
+  BaseProgressCallback::SetStatusText(text);
+  m_dialog.setLabelText(QString::fromUtf8(text));
+}
+
+void QtProgressCallback::SetProgressRange(u32 range)
+{
+  BaseProgressCallback::SetProgressRange(range);
+  m_dialog.setRange(0, static_cast<int>(range));
+}
+
+void QtProgressCallback::SetProgressValue(u32 value)
+{
+  BaseProgressCallback::SetProgressValue(value);
+
+  if (m_dialog.value() == static_cast<int>(value))
+    return;
+
+  m_dialog.setValue(value);
+  QCoreApplication::processEvents();
+}
+
+void QtProgressCallback::DisplayError(const char* message)
+{
+  qWarning() << message;
+}
+
+void QtProgressCallback::DisplayWarning(const char* message)
+{
+  qWarning() << message;
+}
+
+void QtProgressCallback::DisplayInformation(const char* message)
+{
+  qWarning() << message;
+}
+
+void QtProgressCallback::DisplayDebugMessage(const char* message)
+{
+  qWarning() << message;
+}
+
+void QtProgressCallback::ModalError(const char* message)
+{
+  QMessageBox::critical(&m_dialog, tr("Error"), QString::fromUtf8(message));
+}
+
+bool QtProgressCallback::ModalConfirmation(const char* message)
+{
+  return (QMessageBox::question(&m_dialog, tr("Question"), QString::fromUtf8(message), QMessageBox::Yes,
+                                QMessageBox::No) == QMessageBox::Yes);
+}
+
+u32 QtProgressCallback::ModalPrompt(const char* message, u32 num_options, ...)
+{
+  enum : u32
+  {
+    MAX_OPTIONS = 3,
+  };
+
+  std::array<QString, MAX_OPTIONS> options;
+
+  std::va_list ap;
+  va_start(ap, num_options);
+
+  for (u32 i = 0; i < num_options && i < MAX_OPTIONS; i++)
+    options[i] = QString::fromUtf8(va_arg(ap, const char*));
+
+  va_end(ap);
+
+  return static_cast<u32>(QMessageBox::question(&m_dialog, tr("Question"), QString::fromUtf8(message), options[0],
+                                                options[1], options[2], 0, 0));
+}