Add max thread count

Author: glankk

gui/settings.ui

@@ -82,12 +82,12 @@
          <item>
           <widget class="QLabel" name="label_3">
            <property name="text">
-            <string>Ideal count:</string>
+            <string>Max count:</string>
            </property>
           </widget>
          </item>
          <item>
-          <widget class="QLabel" name="mLblIdealThreads">
+          <widget class="QLabel" name="mLblMaxThreads">
            <property name="text">
             <string notr="true">TextLabel</string>
            </property>

gui/settingsdialog.cpp

@@ -121,9 +121,9 @@ SettingsDialog::SettingsDialog(ApplicationList *list,
 
     const int count = QThread::idealThreadCount();
     if (count != -1)
-        mUI->mLblIdealThreads->setText(QString::number(count));
+        mUI->mLblMaxThreads->setText(QString::number(count));
     else
-        mUI->mLblIdealThreads->setText(tr("N/A"));
+        mUI->mLblMaxThreads->setText(tr("N/A"));
 
     loadSettings();
     initTranslationsList();
@@ -180,9 +180,7 @@ void SettingsDialog::saveSettings() const
 void SettingsDialog::saveSettingValues() const
 {
     int jobs = mUI->mJobs->text().toInt();
-    if (jobs <= 0) {
-        jobs = 1;
-    }
+    jobs = std::min(std::max(jobs, 1), QThread::idealThreadCount());
 
     QSettings settings;
     settings.setValue(SETTINGS_CHECK_THREADS, jobs);