From eb3c11c672d0de7c93aac44499b6ce939e63998b Mon Sep 17 00:00:00 2001
From: Andrea Odetti <mariofutire@gmail.com>
Date: Mon, 2 Dec 2019 20:50:51 +0000
Subject: [PATCH] Add option for 50Hz video.

Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
---
 source/frontends/qapple/options.cpp     | 7 ++++++-
 source/frontends/qapple/options.h       | 1 +
 source/frontends/qapple/preferences.cpp | 3 +++
 source/frontends/qapple/preferences.ui  | 7 +++++++
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/source/frontends/qapple/options.cpp b/source/frontends/qapple/options.cpp
index 2df91208..e14ba516 100644
--- a/source/frontends/qapple/options.cpp
+++ b/source/frontends/qapple/options.cpp
@@ -213,6 +213,7 @@ void getAppleWinPreferences(PreferenceData & data)
     data.videoType = GetVideoType();
     data.scanLines = IsVideoStyle(VS_HALF_SCANLINES);
     data.verticalBlend = IsVideoStyle(VS_COLOR_VERTICAL_BLEND);
+    data.hz50 = GetVideoRefreshRate() == VR_50HZ;
 }
 
 void setAppleWinPreferences(const PreferenceData & currentData, const PreferenceData & newData)
@@ -271,7 +272,8 @@ void setAppleWinPreferences(const PreferenceData & currentData, const Preference
         RegSaveString(TEXT(REG_CONFIG), REGVALUE_SAVESTATE_FILENAME, 1, name);
     }
 
-    if (currentData.videoType != newData.videoType || currentData.scanLines != newData.scanLines || currentData.verticalBlend != newData.verticalBlend)
+    if (currentData.videoType != newData.videoType || currentData.scanLines != newData.scanLines || currentData.verticalBlend != newData.verticalBlend
+            || currentData.hz50 != newData.hz50)
     {
         const VideoType_e videoType = VideoType_e(newData.videoType);
         SetVideoType(videoType);
@@ -283,6 +285,9 @@ void setAppleWinPreferences(const PreferenceData & currentData, const Preference
             videoStyle = VideoStyle_e(videoStyle | VS_COLOR_VERTICAL_BLEND);
         SetVideoStyle(videoStyle);
 
+        const VideoRefreshRate_e videoRefreshRate = newData.hz50 ? VR_50HZ : VR_60HZ;
+        SetVideoRefreshRate(videoRefreshRate);
+
         Config_Save_Video();
         VideoReinitialize();
         VideoRedrawScreen();
diff --git a/source/frontends/qapple/options.h b/source/frontends/qapple/options.h
index 5bd9a338..73875bfd 100644
--- a/source/frontends/qapple/options.h
+++ b/source/frontends/qapple/options.h
@@ -33,6 +33,7 @@ struct PreferenceData
     bool mouseInSlot4;
     bool cpmInSlot5;
     bool hdInSlot7;
+    bool hz50;
 
     bool enhancedSpeed;
 
diff --git a/source/frontends/qapple/preferences.cpp b/source/frontends/qapple/preferences.cpp
index f4449bff..e2e4a90a 100644
--- a/source/frontends/qapple/preferences.cpp
+++ b/source/frontends/qapple/preferences.cpp
@@ -198,6 +198,8 @@ void Preferences::setData(const PreferenceData & data)
     ui->video_type->setCurrentIndex(data.videoType);
     ui->scan_lines->setChecked(data.scanLines);
     ui->vertical_blend->setChecked(data.verticalBlend);
+
+    ui->hz_50->setChecked(data.hz50);
 }
 
 PreferenceData Preferences::getData() const
@@ -233,6 +235,7 @@ PreferenceData Preferences::getData() const
     data.videoType = ui->video_type->currentIndex();
     data.scanLines = ui->scan_lines->isChecked();
     data.verticalBlend = ui->vertical_blend->isChecked();
+    data.hz50 = ui->hz_50->isChecked();
 
     return data;
 }
diff --git a/source/frontends/qapple/preferences.ui b/source/frontends/qapple/preferences.ui
index 72323086..cb221b79 100644
--- a/source/frontends/qapple/preferences.ui
+++ b/source/frontends/qapple/preferences.ui
@@ -498,6 +498,13 @@
             </property>
            </widget>
           </item>
+          <item row="3" column="1">
+           <widget class="QCheckBox" name="hz_50">
+            <property name="text">
+             <string>50 Hz</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>