1 files changed, 128 insertions, 0 deletions
diff --git a/xbmc/games/dialogs/osd/DialogGameStretchMode.cpp b/xbmc/games/dialogs/osd/DialogGameStretchMode.cpp
new file mode 100644
index 0000000..98c1e07
--- /dev/null
+++ b/xbmc/games/dialogs/osd/DialogGameStretchMode.cpp
@@ -0,0 +1,128 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "DialogGameStretchMode.h"
+
+#include "FileItem.h"
+#include "cores/RetroPlayer/RetroPlayerUtils.h"
+#include "cores/RetroPlayer/guibridge/GUIGameVideoHandle.h"
+#include "guilib/LocalizeStrings.h"
+#include "guilib/WindowIDs.h"
+#include "settings/GameSettings.h"
+#include "settings/MediaSettings.h"
+#include "utils/Variant.h"
+
+using namespace KODI;
+using namespace GAME;
+
+const std::vector<CDialogGameStretchMode::StretchModeProperties>
+    CDialogGameStretchMode::m_allStretchModes = {
+        {630, RETRO::STRETCHMODE::Normal},
+        //  { 631,   RETRO::STRETCHMODE::Zoom }, //! @todo RetroArch allows trimming some outer
+        //  pixels
+        {632, RETRO::STRETCHMODE::Stretch4x3},
+        {35232, RETRO::STRETCHMODE::Fullscreen},
+        {635, RETRO::STRETCHMODE::Original},
+};
+
+CDialogGameStretchMode::CDialogGameStretchMode()
+  : CDialogGameVideoSelect(WINDOW_DIALOG_GAME_STRETCH_MODE)
+{
+}
+
+std::string CDialogGameStretchMode::GetHeading()
+{
+  return g_localizeStrings.Get(35233); // "Stretch mode"
+}
+
+void CDialogGameStretchMode::PreInit()
+{
+  m_stretchModes.clear();
+
+  for (const auto& stretchMode : m_allStretchModes)
+  {
+    bool bSupported = false;
+
+    switch (stretchMode.stretchMode)
+    {
+      case RETRO::STRETCHMODE::Normal:
+      case RETRO::STRETCHMODE::Original:
+        bSupported = true;
+        break;
+
+      case RETRO::STRETCHMODE::Stretch4x3:
+      case RETRO::STRETCHMODE::Fullscreen:
+        if (m_gameVideoHandle)
+        {
+          bSupported = m_gameVideoHandle->SupportsRenderFeature(RETRO::RENDERFEATURE::STRETCH) ||
+                       m_gameVideoHandle->SupportsRenderFeature(RETRO::RENDERFEATURE::PIXEL_RATIO);
+        }
+        break;
+
+      default:
+        break;
+    }
+
+    if (bSupported)
+      m_stretchModes.emplace_back(stretchMode);
+  }
+}
+
+void CDialogGameStretchMode::GetItems(CFileItemList& items)
+{
+  for (const auto& stretchMode : m_stretchModes)
+  {
+    CFileItemPtr item = std::make_shared<CFileItem>(g_localizeStrings.Get(stretchMode.stringIndex));
+
+    const std::string stretchModeId =
+        RETRO::CRetroPlayerUtils::StretchModeToIdentifier(stretchMode.stretchMode);
+    if (!stretchModeId.empty())
+      item->SetProperty("game.stretchmode", CVariant{stretchModeId});
+    items.Add(std::move(item));
+  }
+}
+
+void CDialogGameStretchMode::OnItemFocus(unsigned int index)
+{
+  if (index < m_stretchModes.size())
+  {
+    const RETRO::STRETCHMODE stretchMode = m_stretchModes[index].stretchMode;
+
+    CGameSettings& gameSettings = CMediaSettings::GetInstance().GetCurrentGameSettings();
+    if (gameSettings.StretchMode() != stretchMode)
+    {
+      gameSettings.SetStretchMode(stretchMode);
+      gameSettings.NotifyObservers(ObservableMessageSettingsChanged);
+    }
+  }
+}
+
+unsigned int CDialogGameStretchMode::GetFocusedItem() const
+{
+  CGameSettings& gameSettings = CMediaSettings::GetInstance().GetCurrentGameSettings();
+
+  for (unsigned int i = 0; i < m_stretchModes.size(); i++)
+  {
+    const RETRO::STRETCHMODE stretchMode = m_stretchModes[i].stretchMode;
+    if (stretchMode == gameSettings.StretchMode())
+      return i;
+  }
+
+  return 0;
+}
+
+void CDialogGameStretchMode::PostExit()
+{
+  m_stretchModes.clear();
+}
+
+bool CDialogGameStretchMode::OnClickAction()
+{
+  Close();
+  return true;
+}