From 2e475b8059e3267a2371e3fda5bba66fdf040055 Mon Sep 17 00:00:00 2001
From: WarmUpTill <WarmUpTill@web.de>
Date: Mon, 1 Jun 2020 14:54:08 +0200
Subject: [PATCH] add first draft of thread priority

---
 forms/advanced-scene-switcher.ui      | 49 ++++++++++++++++++++++++++-
 src/advanced-scene-switcher.cpp       |  5 ++-
 src/headers/switcher-data-structs.hpp | 13 +++++++
 3 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/forms/advanced-scene-switcher.ui b/forms/advanced-scene-switcher.ui
index 12d12b74..17cad277 100644
--- a/forms/advanced-scene-switcher.ui
+++ b/forms/advanced-scene-switcher.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>981</width>
-    <height>457</height>
+    <height>492</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -336,6 +336,53 @@
          </item>
         </layout>
        </item>
+       <item>
+        <widget class="Line" name="line_10">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_44">
+         <item>
+          <widget class="QLabel" name="label_56">
+           <property name="text">
+            <string>Use thread priority (experimental)</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="threadPriority">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="minimumSize">
+            <size>
+             <width>100</width>
+             <height>0</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_41">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
        <item>
         <widget class="Line" name="line_7">
          <property name="orientation">
diff --git a/src/advanced-scene-switcher.cpp b/src/advanced-scene-switcher.cpp
index 70e5ef49..574497a4 100644
--- a/src/advanced-scene-switcher.cpp
+++ b/src/advanced-scene-switcher.cpp
@@ -400,6 +400,10 @@ SceneSwitcher::SceneSwitcher(QWidget *parent)
 			new QListWidgetItem(text, ui->priorityList);
 		item->setData(Qt::UserRole, text);
 	}
+
+	for (std::string p : switcher->threadPrioritiesNamesOrderdByPrio) {
+		ui->threadPriority->addItem(p.c_str());
+	}
 }
 
 /********************************************************************************
@@ -1382,7 +1386,6 @@ static void SaveSceneSwitcher(obs_data_t *save_data, bool saving, void *)
  ********************************************************************************/
 void SwitcherData::Thread()
 {
-
 	//to avoid scene duplication when rapidly switching scene collection
 	this_thread::sleep_for(chrono::seconds(2));
 
diff --git a/src/headers/switcher-data-structs.hpp b/src/headers/switcher-data-structs.hpp
index 2aae300b..26b86e06 100644
--- a/src/headers/switcher-data-structs.hpp
+++ b/src/headers/switcher-data-structs.hpp
@@ -8,6 +8,7 @@
 #include <mutex>
 #include <fstream>
 #include <QDateTime>
+#include <QThread>
 #include "utility.hpp"
 
 #define DEFAULT_INTERVAL 300
@@ -308,6 +309,18 @@ struct SwitcherData {
 		DEFAULT_PRIORITY_3, DEFAULT_PRIORITY_4, DEFAULT_PRIORITY_5,
 		DEFAULT_PRIORITY_6, DEFAULT_PRIORITY_7};
 
+	std::vector<std::string> threadPrioritiesNamesOrderdByPrio{
+		"Lowest", "Low", "Normal", "High", "Highest", "Time critical",
+	};
+	std::map<std::string, int> threadPriorities = {
+		{"Lowest", QThread::LowestPriority},
+		{"Low", QThread::LowPriority},
+		{"Normal", QThread::NormalPriority},
+		{"High", QThread::HighPriority},
+		{"Highest", QThread::HighestPriority},
+		{"Time critical", QThread::TimeCriticalPriority},
+	};
+
 	void Thread();
 	void Start();
 	void Stop();