Merge pull request #4597 from Morph1984/mjolnir-p2

Project Mjölnir: Part 2 - Controller Applet

dist/icons/controller/controller.qrc

@@ -21,5 +21,35 @@
     <file alias="single_joycon_right_vertical">single_joycon_right_vertical.png</file>
     <file alias="single_joycon_right_vertical_dark">single_joycon_right_vertical_dark.png</file>
     <file alias="single_joycon_right_vertical_midnight">single_joycon_right_vertical_midnight.png</file>
+    <file alias="applet_dual_joycon">applet_dual_joycon.png</file>
+    <file alias="applet_dual_joycon_dark">applet_dual_joycon_dark.png</file>	
+    <file alias="applet_dual_joycon_midnight">applet_dual_joycon_midnight.png</file>	
+    <file alias="applet_handheld">applet_handheld.png</file>
+    <file alias="applet_handheld_dark">applet_handheld_dark.png</file>	
+    <file alias="applet_handheld_midnight">applet_handheld_midnight.png</file>
+    <file alias="applet_pro_controller">applet_pro_controller.png</file>
+    <file alias="applet_pro_controller_dark">applet_pro_controller_dark.png</file>
+    <file alias="applet_pro_controller_midnight">applet_pro_controller_midnight.png</file>
+    <file alias="applet_joycon_left">applet_single_joycon_left.png</file>
+    <file alias="applet_joycon_left_dark">applet_single_joycon_left_dark.png</file>
+    <file alias="applet_joycon_left_midnight">applet_single_joycon_left_midnight.png</file>
+    <file alias="applet_joycon_right">applet_single_joycon_right.png</file>
+    <file alias="applet_joycon_right_dark">applet_single_joycon_right_dark.png</file>
+    <file alias="applet_joycon_right_midnight">applet_single_joycon_right_midnight.png</file>
+    <file alias="applet_dual_joycon_disabled">applet_dual_joycon_disabled.png</file>
+    <file alias="applet_dual_joycon_dark_disabled">applet_dual_joycon_dark_disabled.png</file>
+    <file alias="applet_dual_joycon_midnight_disabled">applet_dual_joycon_midnight_disabled.png</file>
+    <file alias="applet_handheld_disabled">applet_handheld_disabled.png</file>
+    <file alias="applet_handheld_dark_disabled">applet_handheld_dark_disabled.png</file>
+    <file alias="applet_handheld_midnight_disabled">applet_handheld_midnight_disabled.png</file>
+    <file alias="applet_pro_controller_disabled">applet_pro_controller_disabled.png</file>
+    <file alias="applet_pro_controller_dark_disabled">applet_pro_controller_dark_disabled.png</file>
+    <file alias="applet_pro_controller_midnight_disabled">applet_pro_controller_midnight_disabled.png</file>
+    <file alias="applet_joycon_left_disabled">applet_single_joycon_left_disabled.png</file>
+    <file alias="applet_joycon_left_dark_disabled">applet_single_joycon_left_dark_disabled.png</file>
+    <file alias="applet_joycon_left_midnight_disabled">applet_single_joycon_left_midnight_disabled.png</file>
+    <file alias="applet_joycon_right_disabled">applet_single_joycon_right_disabled.png</file>
+    <file alias="applet_joycon_right_dark_disabled">applet_single_joycon_right_dark_disabled.png</file>
+    <file alias="applet_joycon_right_midnight_disabled">applet_single_joycon_right_midnight_disabled.png</file>
   </qresource>
 </RCC>

dist/qt_themes/default/style.qss

@@ -41,6 +41,99 @@ QPushButton#buttonRefreshDevices {
     max-height: 20px;
 }
 
+QWidget#bottomPerGameInput,
+QWidget#topControllerApplet,
+QWidget#bottomControllerApplet,
+QGroupBox#groupPlayer1Connected:checked,
+QGroupBox#groupPlayer2Connected:checked,
+QGroupBox#groupPlayer3Connected:checked,
+QGroupBox#groupPlayer4Connected:checked,
+QGroupBox#groupPlayer5Connected:checked,
+QGroupBox#groupPlayer6Connected:checked,
+QGroupBox#groupPlayer7Connected:checked,
+QGroupBox#groupPlayer8Connected:checked {
+    background-color: #f5f5f5;
+}
+
+QWidget#topControllerApplet {
+    border-bottom: 1px solid #828790
+}
+
+QWidget#bottomPerGameInput,
+QWidget#bottomControllerApplet {
+    border-top: 1px solid #828790
+}
+
+QWidget#topPerGameInput,
+QWidget#middleControllerApplet {
+    background-color: #fff;
+}
+
+QWidget#topPerGameInput QComboBox,
+QWidget#middleControllerApplet QComboBox {
+    width: 123px;
+}
+
+QWidget#connectedControllers {
+    background: transparent;
+}
+
+QWidget#playersSupported,
+QWidget#controllersSupported,
+QWidget#controllerSupported1,
+QWidget#controllerSupported2,
+QWidget#controllerSupported3,
+QWidget#controllerSupported4,
+QWidget#controllerSupported5,
+QWidget#controllerSupported6 {
+    border: none;
+    background: transparent;
+}
+
+QGroupBox#groupPlayer1Connected,
+QGroupBox#groupPlayer2Connected,
+QGroupBox#groupPlayer3Connected,
+QGroupBox#groupPlayer4Connected,
+QGroupBox#groupPlayer5Connected,
+QGroupBox#groupPlayer6Connected,
+QGroupBox#groupPlayer7Connected,
+QGroupBox#groupPlayer8Connected {
+    border: 1px solid #828790;
+    border-radius: 3px;
+    padding: 0px;
+    min-height: 98px;
+    max-height: 98px;
+}
+
+QGroupBox#groupPlayer1Connected:unchecked,
+QGroupBox#groupPlayer2Connected:unchecked,
+QGroupBox#groupPlayer3Connected:unchecked,
+QGroupBox#groupPlayer4Connected:unchecked,
+QGroupBox#groupPlayer5Connected:unchecked,
+QGroupBox#groupPlayer6Connected:unchecked,
+QGroupBox#groupPlayer7Connected:unchecked,
+QGroupBox#groupPlayer8Connected:unchecked {
+    border: 1px solid #d9d9d9;
+}
+
+QGroupBox#groupPlayer1Connected::title,
+QGroupBox#groupPlayer2Connected::title,
+QGroupBox#groupPlayer3Connected::title,
+QGroupBox#groupPlayer4Connected::title,
+QGroupBox#groupPlayer5Connected::title,
+QGroupBox#groupPlayer6Connected::title,
+QGroupBox#groupPlayer7Connected::title,
+QGroupBox#groupPlayer8Connected::title {
+    subcontrol-origin: margin;
+    subcontrol-position: top left;
+    padding-left: 0px;
+    padding-right: 0px;
+    padding-top: 1px;
+    margin-left: 0px;
+    margin-right: -4px;
+    margin-bottom: 4px;
+}
+
 QCheckBox#checkboxPlayer1Connected,
 QCheckBox#checkboxPlayer2Connected,
 QCheckBox#checkboxPlayer3Connected,
@@ -52,6 +145,42 @@ QCheckBox#checkboxPlayer8Connected {
     spacing: 0px;
 }
 
+QWidget#Player1LEDs QCheckBox,
+QWidget#Player2LEDs QCheckBox,
+QWidget#Player3LEDs QCheckBox,
+QWidget#Player4LEDs QCheckBox,
+QWidget#Player5LEDs QCheckBox,
+QWidget#Player6LEDs QCheckBox,
+QWidget#Player7LEDs QCheckBox,
+QWidget#Player8LEDs QCheckBox {
+    spacing: 0px;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator,
+QWidget#Player2LEDs QCheckBox::indicator,
+QWidget#Player3LEDs QCheckBox::indicator,
+QWidget#Player4LEDs QCheckBox::indicator,
+QWidget#Player5LEDs QCheckBox::indicator,
+QWidget#Player6LEDs QCheckBox::indicator,
+QWidget#Player7LEDs QCheckBox::indicator,
+QWidget#Player8LEDs QCheckBox::indicator {
+    width: 6px;
+    height: 6px;
+    margin-left: 0px;
+}
+
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer1Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer2Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer3Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer4Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer5Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer6Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer7Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer8Connected::indicator {
+    width: 12px;
+    height: 12px;
+}
+
 QCheckBox#checkboxPlayer1Connected::indicator,
 QCheckBox#checkboxPlayer2Connected::indicator,
 QCheckBox#checkboxPlayer3Connected::indicator,
@@ -64,6 +193,34 @@ QCheckBox#checkboxPlayer8Connected::indicator {
     height: 14px;
 }
 
+QGroupBox#groupPlayer1Connected::indicator,
+QGroupBox#groupPlayer2Connected::indicator,
+QGroupBox#groupPlayer3Connected::indicator,
+QGroupBox#groupPlayer4Connected::indicator,
+QGroupBox#groupPlayer5Connected::indicator,
+QGroupBox#groupPlayer6Connected::indicator,
+QGroupBox#groupPlayer7Connected::indicator,
+QGroupBox#groupPlayer8Connected::indicator {
+    width: 16px;
+    height: 16px;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator:checked,
+QWidget#Player2LEDs QCheckBox::indicator:checked,
+QWidget#Player3LEDs QCheckBox::indicator:checked,
+QWidget#Player4LEDs QCheckBox::indicator:checked,
+QWidget#Player5LEDs QCheckBox::indicator:checked,
+QWidget#Player6LEDs QCheckBox::indicator:checked,
+QWidget#Player7LEDs QCheckBox::indicator:checked,
+QWidget#Player8LEDs QCheckBox::indicator:checked,
+QGroupBox#groupPlayer1Connected::indicator:checked,
+QGroupBox#groupPlayer2Connected::indicator:checked,
+QGroupBox#groupPlayer3Connected::indicator:checked,
+QGroupBox#groupPlayer4Connected::indicator:checked,
+QGroupBox#groupPlayer5Connected::indicator:checked,
+QGroupBox#groupPlayer6Connected::indicator:checked,
+QGroupBox#groupPlayer7Connected::indicator:checked,
+QGroupBox#groupPlayer8Connected::indicator:checked,
 QCheckBox#checkboxPlayer1Connected::indicator:checked,
 QCheckBox#checkboxPlayer2Connected::indicator:checked,
 QCheckBox#checkboxPlayer3Connected::indicator:checked,
@@ -74,11 +231,27 @@ QCheckBox#checkboxPlayer7Connected::indicator:checked,
 QCheckBox#checkboxPlayer8Connected::indicator:checked,
 QGroupBox#groupConnectedController::indicator:checked {
     border-radius: 2px;
-    border: 1px solid black;
+    border: 1px solid #929192;
     background: #39ff14;
     image: none;
 }
 
+QWidget#Player1LEDs QCheckBox::indicator:unchecked,
+QWidget#Player2LEDs QCheckBox::indicator:unchecked,
+QWidget#Player3LEDs QCheckBox::indicator:unchecked,
+QWidget#Player4LEDs QCheckBox::indicator:unchecked,
+QWidget#Player5LEDs QCheckBox::indicator:unchecked,
+QWidget#Player6LEDs QCheckBox::indicator:unchecked,
+QWidget#Player7LEDs QCheckBox::indicator:unchecked,
+QWidget#Player8LEDs QCheckBox::indicator:unchecked,
+QGroupBox#groupPlayer1Connected::indicator:unchecked,
+QGroupBox#groupPlayer2Connected::indicator:unchecked,
+QGroupBox#groupPlayer3Connected::indicator:unchecked,
+QGroupBox#groupPlayer4Connected::indicator:unchecked,
+QGroupBox#groupPlayer5Connected::indicator:unchecked,
+QGroupBox#groupPlayer6Connected::indicator:unchecked,
+QGroupBox#groupPlayer7Connected::indicator:unchecked,
+QGroupBox#groupPlayer8Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer1Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer2Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer3Connected::indicator:unchecked,
@@ -89,7 +262,18 @@ QCheckBox#checkboxPlayer7Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer8Connected::indicator:unchecked,
 QGroupBox#groupConnectedController::indicator:unchecked {
     border-radius: 2px;
-    border: 1px solid black;
+    border: 1px solid #929192;
     background: transparent;
     image: none;
 }
+
+QWidget#controllerPlayer1,
+QWidget#controllerPlayer2,
+QWidget#controllerPlayer3,
+QWidget#controllerPlayer4,
+QWidget#controllerPlayer5,
+QWidget#controllerPlayer6,
+QWidget#controllerPlayer7,
+QWidget#controllerPlayer8 {
+    background: transparent;
+}

dist/qt_themes/qdarkstyle/style.qss

@@ -1284,59 +1284,6 @@ QPushButton#buttonRefreshDevices {
     padding: 0px 0px;
 }
 
-QCheckBox#checkboxPlayer1Connected,
-QCheckBox#checkboxPlayer2Connected,
-QCheckBox#checkboxPlayer3Connected,
-QCheckBox#checkboxPlayer4Connected,
-QCheckBox#checkboxPlayer5Connected,
-QCheckBox#checkboxPlayer6Connected,
-QCheckBox#checkboxPlayer7Connected,
-QCheckBox#checkboxPlayer8Connected {
-    spacing: 0px;
-}
-
-QCheckBox#checkboxPlayer1Connected::indicator,
-QCheckBox#checkboxPlayer2Connected::indicator,
-QCheckBox#checkboxPlayer3Connected::indicator,
-QCheckBox#checkboxPlayer4Connected::indicator,
-QCheckBox#checkboxPlayer5Connected::indicator,
-QCheckBox#checkboxPlayer6Connected::indicator,
-QCheckBox#checkboxPlayer7Connected::indicator,
-QCheckBox#checkboxPlayer8Connected::indicator {
-    width: 14px;
-    height: 14px;
-}
-
-QCheckBox#checkboxPlayer1Connected::indicator:checked,
-QCheckBox#checkboxPlayer2Connected::indicator:checked,
-QCheckBox#checkboxPlayer3Connected::indicator:checked,
-QCheckBox#checkboxPlayer4Connected::indicator:checked,
-QCheckBox#checkboxPlayer5Connected::indicator:checked,
-QCheckBox#checkboxPlayer6Connected::indicator:checked,
-QCheckBox#checkboxPlayer7Connected::indicator:checked,
-QCheckBox#checkboxPlayer8Connected::indicator:checked,
-QGroupBox#groupConnectedController::indicator:checked {
-    border-radius: 2px;
-    border: 1px solid #929192;
-    background: #39ff14;
-    image: none;
-}
-
-QCheckBox#checkboxPlayer1Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer2Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer3Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer4Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer5Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer6Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer7Connected::indicator:unchecked,
-QCheckBox#checkboxPlayer8Connected::indicator:unchecked,
-QGroupBox#groupConnectedController::indicator:unchecked {
-    border-radius: 2px;
-    border: 1px solid #929192;
-    background: transparent;
-    image: none;
-}
-
 QSpinBox#spinboxLStickRange,
 QSpinBox#spinboxRStickRange {
     padding: 4px 0px 5px 0px;
@@ -1372,6 +1319,257 @@ QGroupBox#vibrationGroup::title {
     padding-right: 1px;
 }
 
+QWidget#bottomPerGameInput,
+QWidget#topControllerApplet,
+QWidget#bottomControllerApplet,
+QGroupBox#groupPlayer1Connected:checked,
+QGroupBox#groupPlayer2Connected:checked,
+QGroupBox#groupPlayer3Connected:checked,
+QGroupBox#groupPlayer4Connected:checked,
+QGroupBox#groupPlayer5Connected:checked,
+QGroupBox#groupPlayer6Connected:checked,
+QGroupBox#groupPlayer7Connected:checked,
+QGroupBox#groupPlayer8Connected:checked {
+    background-color: #232629;
+}
+
+QWidget#topPerGameInput,
+QWidget#middleControllerApplet {
+    background-color: #31363b;
+}
+
+QWidget#topPerGameInput QComboBox,
+QWidget#middleControllerApplet QComboBox {
+    width: 119px;
+}
+
+QRadioButton#radioDocked {
+    margin-left: -3px;
+}
+
+
+QRadioButton#radioUndocked {
+    margin-right: 5px;
+}
+
+QWidget#connectedControllers {
+    background: transparent;
+}
+
+QWidget#playersSupported,
+QWidget#controllersSupported,
+QWidget#controllerSupported1,
+QWidget#controllerSupported2,
+QWidget#controllerSupported3,
+QWidget#controllerSupported4,
+QWidget#controllerSupported5,
+QWidget#controllerSupported6 {
+    border: none;
+    background: transparent;
+}
+
+QGroupBox#groupPlayer1Connected,
+QGroupBox#groupPlayer2Connected,
+QGroupBox#groupPlayer3Connected,
+QGroupBox#groupPlayer4Connected,
+QGroupBox#groupPlayer5Connected,
+QGroupBox#groupPlayer6Connected,
+QGroupBox#groupPlayer7Connected,
+QGroupBox#groupPlayer8Connected {
+    border: 1px solid #76797c;
+    border-radius: 3px;
+    padding: 0px;
+    min-height: 98px;
+    max-height: 98px;
+    margin-top: 0px;
+}
+
+QGroupBox#groupPlayer1Connected:unchecked,
+QGroupBox#groupPlayer2Connected:unchecked,
+QGroupBox#groupPlayer3Connected:unchecked,
+QGroupBox#groupPlayer4Connected:unchecked,
+QGroupBox#groupPlayer5Connected:unchecked,
+QGroupBox#groupPlayer6Connected:unchecked,
+QGroupBox#groupPlayer7Connected:unchecked,
+QGroupBox#groupPlayer8Connected:unchecked {
+    border: 1px solid #54575b;
+}
+
+QGroupBox#groupPlayer1Connected::title,
+QGroupBox#groupPlayer2Connected::title,
+QGroupBox#groupPlayer3Connected::title,
+QGroupBox#groupPlayer4Connected::title,
+QGroupBox#groupPlayer5Connected::title,
+QGroupBox#groupPlayer6Connected::title,
+QGroupBox#groupPlayer7Connected::title,
+QGroupBox#groupPlayer8Connected::title {
+    subcontrol-origin: margin;
+    subcontrol-position: top left;
+    padding-left: 0px;
+    padding-right: 0px;
+    padding-top: 1px;
+    margin-left: -2px;
+    margin-right: -4px;
+    margin-bottom: 6px;
+}
+
+QCheckBox#checkboxPlayer1Connected,
+QCheckBox#checkboxPlayer2Connected,
+QCheckBox#checkboxPlayer3Connected,
+QCheckBox#checkboxPlayer4Connected,
+QCheckBox#checkboxPlayer5Connected,
+QCheckBox#checkboxPlayer6Connected,
+QCheckBox#checkboxPlayer7Connected,
+QCheckBox#checkboxPlayer8Connected {
+    spacing: 0px;
+}
+
+QWidget#Player1LEDs,
+QWidget#Player2LEDs,
+QWidget#Player3LEDs,
+QWidget#Player4LEDs,
+QWidget#Player5LEDs,
+QWidget#Player6LEDs,
+QWidget#Player7LEDs,
+QWidget#Player8LEDs {
+    background: transparent;
+}
+
+QWidget#Player1LEDs QCheckBox,
+QWidget#Player2LEDs QCheckBox,
+QWidget#Player3LEDs QCheckBox,
+QWidget#Player4LEDs QCheckBox,
+QWidget#Player5LEDs QCheckBox,
+QWidget#Player6LEDs QCheckBox,
+QWidget#Player7LEDs QCheckBox,
+QWidget#Player8LEDs QCheckBox {
+    spacing: 0px;
+    margin-bottom: 0px;
+    margin-right: 0px;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator,
+QWidget#Player2LEDs QCheckBox::indicator,
+QWidget#Player3LEDs QCheckBox::indicator,
+QWidget#Player4LEDs QCheckBox::indicator,
+QWidget#Player5LEDs QCheckBox::indicator,
+QWidget#Player6LEDs QCheckBox::indicator,
+QWidget#Player7LEDs QCheckBox::indicator,
+QWidget#Player8LEDs QCheckBox::indicator {
+    width: 6px;
+    height: 6px;
+    margin-left: 0px;
+}
+
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer1Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer2Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer3Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer4Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer5Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer6Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer7Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer8Connected::indicator {
+    width: 12px;
+    height: 12px;
+}
+
+QCheckBox#checkboxPlayer1Connected::indicator,
+QCheckBox#checkboxPlayer2Connected::indicator,
+QCheckBox#checkboxPlayer3Connected::indicator,
+QCheckBox#checkboxPlayer4Connected::indicator,
+QCheckBox#checkboxPlayer5Connected::indicator,
+QCheckBox#checkboxPlayer6Connected::indicator,
+QCheckBox#checkboxPlayer7Connected::indicator,
+QCheckBox#checkboxPlayer8Connected::indicator {
+    width: 14px;
+    height: 14px;
+}
+
+QGroupBox#groupPlayer1Connected::indicator,
+QGroupBox#groupPlayer2Connected::indicator,
+QGroupBox#groupPlayer3Connected::indicator,
+QGroupBox#groupPlayer4Connected::indicator,
+QGroupBox#groupPlayer5Connected::indicator,
+QGroupBox#groupPlayer6Connected::indicator,
+QGroupBox#groupPlayer7Connected::indicator,
+QGroupBox#groupPlayer8Connected::indicator {
+    width: 16px;
+    height: 16px;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator:checked,
+QWidget#Player2LEDs QCheckBox::indicator:checked,
+QWidget#Player3LEDs QCheckBox::indicator:checked,
+QWidget#Player4LEDs QCheckBox::indicator:checked,
+QWidget#Player5LEDs QCheckBox::indicator:checked,
+QWidget#Player6LEDs QCheckBox::indicator:checked,
+QWidget#Player7LEDs QCheckBox::indicator:checked,
+QWidget#Player8LEDs QCheckBox::indicator:checked,
+QGroupBox#groupPlayer1Connected::indicator:checked,
+QGroupBox#groupPlayer2Connected::indicator:checked,
+QGroupBox#groupPlayer3Connected::indicator:checked,
+QGroupBox#groupPlayer4Connected::indicator:checked,
+QGroupBox#groupPlayer5Connected::indicator:checked,
+QGroupBox#groupPlayer6Connected::indicator:checked,
+QGroupBox#groupPlayer7Connected::indicator:checked,
+QGroupBox#groupPlayer8Connected::indicator:checked,
+QCheckBox#checkboxPlayer1Connected::indicator:checked,
+QCheckBox#checkboxPlayer2Connected::indicator:checked,
+QCheckBox#checkboxPlayer3Connected::indicator:checked,
+QCheckBox#checkboxPlayer4Connected::indicator:checked,
+QCheckBox#checkboxPlayer5Connected::indicator:checked,
+QCheckBox#checkboxPlayer6Connected::indicator:checked,
+QCheckBox#checkboxPlayer7Connected::indicator:checked,
+QCheckBox#checkboxPlayer8Connected::indicator:checked,
+QGroupBox#groupConnectedController::indicator:checked {
+    border-radius: 2px;
+    border: 1px solid #929192;
+    background: #39ff14;
+    image: none;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator:unchecked,
+QWidget#Player2LEDs QCheckBox::indicator:unchecked,
+QWidget#Player3LEDs QCheckBox::indicator:unchecked,
+QWidget#Player4LEDs QCheckBox::indicator:unchecked,
+QWidget#Player5LEDs QCheckBox::indicator:unchecked,
+QWidget#Player6LEDs QCheckBox::indicator:unchecked,
+QWidget#Player7LEDs QCheckBox::indicator:unchecked,
+QWidget#Player8LEDs QCheckBox::indicator:unchecked,
+QGroupBox#groupPlayer1Connected::indicator:unchecked,
+QGroupBox#groupPlayer2Connected::indicator:unchecked,
+QGroupBox#groupPlayer3Connected::indicator:unchecked,
+QGroupBox#groupPlayer4Connected::indicator:unchecked,
+QGroupBox#groupPlayer5Connected::indicator:unchecked,
+QGroupBox#groupPlayer6Connected::indicator:unchecked,
+QGroupBox#groupPlayer7Connected::indicator:unchecked,
+QGroupBox#groupPlayer8Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer1Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer2Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer3Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer4Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer5Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer6Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer7Connected::indicator:unchecked,
+QCheckBox#checkboxPlayer8Connected::indicator:unchecked,
+QGroupBox#groupConnectedController::indicator:unchecked {
+    border-radius: 2px;
+    border: 1px solid #929192;
+    background: transparent;
+    image: none;
+}
+
+QWidget#controllerPlayer1,
+QWidget#controllerPlayer2,
+QWidget#controllerPlayer3,
+QWidget#controllerPlayer4,
+QWidget#controllerPlayer5,
+QWidget#controllerPlayer6,
+QWidget#controllerPlayer7,
+QWidget#controllerPlayer8 {
+    background: transparent;
+}
+
 /* touchscreen mapping widget */
 TouchScreenPreview {
     qproperty-dotHighlightColor: #3daee9;

dist/qt_themes/qdarkstyle_midnight_blue/style.qss

@@ -2205,6 +2205,144 @@ QPushButton#buttonRefreshDevices {
   padding: 0px 0px;
 }
 
+QSpinBox#spinboxLStickRange,
+QSpinBox#spinboxRStickRange {
+  min-width: 38px;
+}
+
+QGroupBox#motionGroup::indicator,
+QGroupBox#vibrationGroup::indicator {
+  margin-left: 0px;
+}
+
+QWidget#bottomPerGameInput QGroupBox#motionGroup,
+QWidget#bottomPerGameInput QGroupBox#vibrationGroup,
+QWidget#bottomPerGameInput QGroupBox#inputConfigGroup {
+  padding: 0px;
+}
+
+QGroupBox#motionGroup::title,
+QGroupBox#vibrationGroup::title {
+  spacing: 2px;
+  padding-left: 1px;
+  padding-right: 1px;
+}
+
+QListWidget#selectorList {
+  background-color: #0f1922;
+}
+
+QSpinBox,
+QLineEdit,
+QTreeView#hotkey_list,
+QScrollArea#scrollArea QTreeView {
+  background-color: #0f1922;
+}
+
+QWidget#bottomPerGameInput,
+QWidget#topControllerApplet,
+QWidget#bottomControllerApplet,
+QGroupBox#groupPlayer1Connected:checked,
+QGroupBox#groupPlayer2Connected:checked,
+QGroupBox#groupPlayer3Connected:checked,
+QGroupBox#groupPlayer4Connected:checked,
+QGroupBox#groupPlayer5Connected:checked,
+QGroupBox#groupPlayer6Connected:checked,
+QGroupBox#groupPlayer7Connected:checked,
+QGroupBox#groupPlayer8Connected:checked {
+  background-color: #0f1922;
+}
+
+QWidget#topPerGameInput,
+QWidget#middleControllerApplet {
+  background-color: #19232d;
+}
+
+QWidget#topPerGameInput QComboBox,
+QWidget#middleControllerApplet QComboBox {
+  padding-right: 2px;
+  width: 127px;
+}
+
+QGroupBox#handheldGroup {
+  padding-left: 0px;
+}
+
+QRadioButton#radioDocked {
+  margin-left: -1px;
+  padding-left: 0px;
+}
+
+QRadioButton#radioDocked::indicator {
+  margin-left: 0px;
+}
+
+
+QRadioButton#radioUndocked {
+  margin-right: 2px;
+}
+
+QWidget#connectedControllers {
+  background: transparent;
+}
+
+QWidget#playersSupported,
+QWidget#controllersSupported,
+QWidget#controllerSupported1,
+QWidget#controllerSupported2,
+QWidget#controllerSupported3,
+QWidget#controllerSupported4,
+QWidget#controllerSupported5,
+QWidget#controllerSupported6 {
+  border: none;
+  background: transparent;
+}
+
+QGroupBox#groupPlayer1Connected,
+QGroupBox#groupPlayer2Connected,
+QGroupBox#groupPlayer3Connected,
+QGroupBox#groupPlayer4Connected,
+QGroupBox#groupPlayer5Connected,
+QGroupBox#groupPlayer6Connected,
+QGroupBox#groupPlayer7Connected,
+QGroupBox#groupPlayer8Connected {
+  border: 1px solid #76797c;
+  border-radius: 3px;
+  padding: 0px;
+  min-height: 98px;
+  max-height: 98px;
+  margin-top: 0px;
+}
+
+
+QGroupBox#groupPlayer1Connected:unchecked,
+QGroupBox#groupPlayer2Connected:unchecked,
+QGroupBox#groupPlayer3Connected:unchecked,
+QGroupBox#groupPlayer4Connected:unchecked,
+QGroupBox#groupPlayer5Connected:unchecked,
+QGroupBox#groupPlayer6Connected:unchecked,
+QGroupBox#groupPlayer7Connected:unchecked,
+QGroupBox#groupPlayer8Connected:unchecked {
+  border: 1px solid #32414b;
+}
+
+QGroupBox#groupPlayer1Connected::title,
+QGroupBox#groupPlayer2Connected::title,
+QGroupBox#groupPlayer3Connected::title,
+QGroupBox#groupPlayer4Connected::title,
+QGroupBox#groupPlayer5Connected::title,
+QGroupBox#groupPlayer6Connected::title,
+QGroupBox#groupPlayer7Connected::title,
+QGroupBox#groupPlayer8Connected::title {
+  subcontrol-origin: margin;
+  subcontrol-position: top left;
+  padding-left: 0px;
+  padding-right: 0px;
+  padding-top: 1px;
+  margin-left: -2px;
+  margin-right: -4px;
+  margin-bottom: 6px;
+}
 
 QCheckBox#checkboxPlayer1Connected,
 QCheckBox#checkboxPlayer2Connected,
@@ -2217,6 +2355,68 @@ QCheckBox#checkboxPlayer8Connected {
     spacing: 0px;
 }
 
+QWidget#connectedControllers QLabel {
+  padding: 0px;
+}
+
+QWidget#Player1LEDs,
+QWidget#Player2LEDs,
+QWidget#Player3LEDs,
+QWidget#Player4LEDs,
+QWidget#Player5LEDs,
+QWidget#Player6LEDs,
+QWidget#Player7LEDs,
+QWidget#Player8LEDs {
+  background: transparent;
+}
+
+QWidget#Player1LEDs QCheckBox,
+QWidget#Player2LEDs QCheckBox,
+QWidget#Player3LEDs QCheckBox,
+QWidget#Player4LEDs QCheckBox,
+QWidget#Player5LEDs QCheckBox,
+QWidget#Player6LEDs QCheckBox,
+QWidget#Player7LEDs QCheckBox,
+QWidget#Player8LEDs QCheckBox,
+QCheckBox#checkboxPlayer1Connected,
+QCheckBox#checkboxPlayer2Connected,
+QCheckBox#checkboxPlayer3Connected,
+QCheckBox#checkboxPlayer4Connected,
+QCheckBox#checkboxPlayer5Connected,
+QCheckBox#checkboxPlayer6Connected,
+QCheckBox#checkboxPlayer7Connected,
+QCheckBox#checkboxPlayer8Connected {
+  spacing: 0px;
+  padding-top: 0px;
+  padding-bottom: 0px;
+  background: transparent;
+}
+
+QWidget#Player1LEDs QCheckBox::indicator,
+QWidget#Player2LEDs QCheckBox::indicator,
+QWidget#Player3LEDs QCheckBox::indicator,
+QWidget#Player4LEDs QCheckBox::indicator,
+QWidget#Player5LEDs QCheckBox::indicator,
+QWidget#Player6LEDs QCheckBox::indicator,
+QWidget#Player7LEDs QCheckBox::indicator,
+QWidget#Player8LEDs QCheckBox::indicator {
+  width: 6px;
+  height: 6px;
+  margin-left: 0px;
+}
+
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer1Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer2Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer3Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer4Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer5Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer6Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer7Connected::indicator,
+QWidget#bottomPerGameInput QCheckBox#checkboxPlayer8Connected::indicator {
+  width: 12px;
+  height: 12px;
+}
+
 QCheckBox#checkboxPlayer1Connected::indicator,
 QCheckBox#checkboxPlayer2Connected::indicator,
 QCheckBox#checkboxPlayer3Connected::indicator,
@@ -2227,8 +2427,25 @@ QCheckBox#checkboxPlayer7Connected::indicator,
 QCheckBox#checkboxPlayer8Connected::indicator {
   width: 14px;
   height: 14px;
+  margin-left: 2px;
 }
 
+QWidget#Player1LEDs QCheckBox::indicator:checked,
+QWidget#Player2LEDs QCheckBox::indicator:checked,
+QWidget#Player3LEDs QCheckBox::indicator:checked,
+QWidget#Player4LEDs QCheckBox::indicator:checked,
+QWidget#Player5LEDs QCheckBox::indicator:checked,
+QWidget#Player6LEDs QCheckBox::indicator:checked,
+QWidget#Player7LEDs QCheckBox::indicator:checked,
+QWidget#Player8LEDs QCheckBox::indicator:checked,
+QGroupBox#groupPlayer1Connected::indicator:checked,
+QGroupBox#groupPlayer2Connected::indicator:checked,
+QGroupBox#groupPlayer3Connected::indicator:checked,
+QGroupBox#groupPlayer4Connected::indicator:checked,
+QGroupBox#groupPlayer5Connected::indicator:checked,
+QGroupBox#groupPlayer6Connected::indicator:checked,
+QGroupBox#groupPlayer7Connected::indicator:checked,
+QGroupBox#groupPlayer8Connected::indicator:checked,
 QCheckBox#checkboxPlayer1Connected::indicator:checked,
 QCheckBox#checkboxPlayer2Connected::indicator:checked,
 QCheckBox#checkboxPlayer3Connected::indicator:checked,
@@ -2244,6 +2461,22 @@ QGroupBox#groupConnectedController::indicator:checked {
   image: none;
 }
 
+QWidget#Player1LEDs QCheckBox::indicator:unchecked,
+QWidget#Player2LEDs QCheckBox::indicator:unchecked,
+QWidget#Player3LEDs QCheckBox::indicator:unchecked,
+QWidget#Player4LEDs QCheckBox::indicator:unchecked,
+QWidget#Player5LEDs QCheckBox::indicator:unchecked,
+QWidget#Player6LEDs QCheckBox::indicator:unchecked,
+QWidget#Player7LEDs QCheckBox::indicator:unchecked,
+QWidget#Player8LEDs QCheckBox::indicator:unchecked,
+QGroupBox#groupPlayer1Connected::indicator:unchecked,
+QGroupBox#groupPlayer2Connected::indicator:unchecked,
+QGroupBox#groupPlayer3Connected::indicator:unchecked,
+QGroupBox#groupPlayer4Connected::indicator:unchecked,
+QGroupBox#groupPlayer5Connected::indicator:unchecked,
+QGroupBox#groupPlayer6Connected::indicator:unchecked,
+QGroupBox#groupPlayer7Connected::indicator:unchecked,
+QGroupBox#groupPlayer8Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer1Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer2Connected::indicator:unchecked,
 QCheckBox#checkboxPlayer3Connected::indicator:unchecked,
@@ -2255,34 +2488,17 @@ QCheckBox#checkboxPlayer8Connected::indicator:unchecked,
 QGroupBox#groupConnectedController::indicator:unchecked {
   border-radius: 2px;
   border: 1px solid #929192;
-  background: transparent;
+  background: #19232d;
   image: none;
 }
 
-QSpinBox#spinboxLStickRange,
+QWidget#controllerPlayer1,
-QSpinBox#spinboxRStickRange {
+QWidget#controllerPlayer2,
-  min-width: 38px;
+QWidget#controllerPlayer3,
-}
+QWidget#controllerPlayer4,
-
+QWidget#controllerPlayer5,
-QGroupBox#motionGroup::indicator,
+QWidget#controllerPlayer6,
-QGroupBox#vibrationGroup::indicator {
+QWidget#controllerPlayer7,
-  margin-left: 0px;
+QWidget#controllerPlayer8 {
-}
+  background: transparent;
-
-QGroupBox#motionGroup::title,
-QGroupBox#vibrationGroup::title {
-spacing: 2px;
-  padding-left: 1px;
-  padding-right: 1px;
-}
-
-QListWidget#selectorList {
-  background-color: #0f1922;
-}
-
-QSpinBox,
-QLineEdit,
-QTreeView#hotkey_list,
-QScrollArea#scrollArea QTreeView {
-  background-color: #0f1922;
 }

src/core/CMakeLists.txt

@@ -126,6 +126,8 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
+    frontend/applets/controller.cpp
+    frontend/applets/controller.h
     frontend/applets/error.cpp
     frontend/applets/error.h
     frontend/applets/general_frontend.cpp
@@ -244,6 +246,8 @@ add_library(core STATIC
     hle/service/am/applet_oe.h
     hle/service/am/applets/applets.cpp
     hle/service/am/applets/applets.h
+    hle/service/am/applets/controller.cpp
+    hle/service/am/applets/controller.h
     hle/service/am/applets/error.cpp
     hle/service/am/applets/error.h
     hle/service/am/applets/general_backend.cpp

src/core/frontend/applets/controller.cpp

@@ -0,0 +1,81 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/frontend/applets/controller.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Core::Frontend {
+
+ControllerApplet::~ControllerApplet() = default;
+
+DefaultControllerApplet::~DefaultControllerApplet() = default;
+
+void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callback,
+                                                     ControllerParameters parameters) const {
+    LOG_INFO(Service_HID, "called, deducing the best configuration based on the given parameters!");
+
+    auto& npad =
+        Core::System::GetInstance()
+            .ServiceManager()
+            .GetService<Service::HID::Hid>("hid")
+            ->GetAppletResource()
+            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);
+
+    auto& players = Settings::values.players;
+
+    const std::size_t min_supported_players =
+        parameters.enable_single_mode ? 1 : parameters.min_players;
+
+    // Disconnect Handheld first.
+    npad.DisconnectNPadAtIndex(8);
+
+    // Deduce the best configuration based on the input parameters.
+    for (std::size_t index = 0; index < players.size() - 2; ++index) {
+        // First, disconnect all controllers regardless of the value of keep_controllers_connected.
+        // This makes it easy to connect the desired controllers.
+        npad.DisconnectNPadAtIndex(index);
+
+        // Only connect the minimum number of required players.
+        if (index >= min_supported_players) {
+            continue;
+        }
+
+        // Connect controllers based on the following priority list from highest to lowest priority:
+        // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
+        if (parameters.allow_pro_controller) {
+            npad.AddNewControllerAt(
+                npad.MapSettingsTypeToNPad(Settings::ControllerType::ProController), index);
+        } else if (parameters.allow_dual_joycons) {
+            npad.AddNewControllerAt(
+                npad.MapSettingsTypeToNPad(Settings::ControllerType::DualJoyconDetached), index);
+        } else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
+            // Assign left joycons to even player indices and right joycons to odd player indices.
+            // We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
+            // a right Joycon for Player 2 in 2 Player Assist mode.
+            if (index % 2 == 0) {
+                npad.AddNewControllerAt(
+                    npad.MapSettingsTypeToNPad(Settings::ControllerType::LeftJoycon), index);
+            } else {
+                npad.AddNewControllerAt(
+                    npad.MapSettingsTypeToNPad(Settings::ControllerType::RightJoycon), index);
+            }
+        } else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
+                   !Settings::values.use_docked_mode) {
+            // We should *never* reach here under any normal circumstances.
+            npad.AddNewControllerAt(npad.MapSettingsTypeToNPad(Settings::ControllerType::Handheld),
+                                    index);
+        } else {
+            UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
+        }
+    }
+
+    callback();
+}
+
+} // namespace Core::Frontend

src/core/frontend/applets/controller.h

@@ -0,0 +1,48 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+
+#include "common/common_types.h"
+
+namespace Core::Frontend {
+
+using BorderColor = std::array<u8, 4>;
+using ExplainText = std::array<char, 0x81>;
+
+struct ControllerParameters {
+    s8 min_players{};
+    s8 max_players{};
+    bool keep_controllers_connected{};
+    bool enable_single_mode{};
+    bool enable_border_color{};
+    std::vector<BorderColor> border_colors{};
+    bool enable_explain_text{};
+    std::vector<ExplainText> explain_text{};
+    bool allow_pro_controller{};
+    bool allow_handheld{};
+    bool allow_dual_joycons{};
+    bool allow_left_joycon{};
+    bool allow_right_joycon{};
+};
+
+class ControllerApplet {
+public:
+    virtual ~ControllerApplet();
+
+    virtual void ReconfigureControllers(std::function<void()> callback,
+                                        ControllerParameters parameters) const = 0;
+};
+
+class DefaultControllerApplet final : public ControllerApplet {
+public:
+    ~DefaultControllerApplet() override;
+
+    void ReconfigureControllers(std::function<void()> callback,
+                                ControllerParameters parameters) const override;
+};
+
+} // namespace Core::Frontend

src/core/hle/service/am/applets/applets.cpp

@@ -5,6 +5,7 @@
 #include <cstring>
 #include "common/assert.h"
 #include "core/core.h"
+#include "core/frontend/applets/controller.h"
 #include "core/frontend/applets/error.h"
 #include "core/frontend/applets/general_frontend.h"
 #include "core/frontend/applets/profile_select.h"
@@ -15,6 +16,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/controller.h"
 #include "core/hle/service/am/applets/error.h"
 #include "core/hle/service/am/applets/general_backend.h"
 #include "core/hle/service/am/applets/profile_select.h"
@@ -140,14 +142,14 @@ void Applet::Initialize() {
 
 AppletFrontendSet::AppletFrontendSet() = default;
 
-AppletFrontendSet::AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
+AppletFrontendSet::AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce,
+                                     ErrorApplet error, ParentalControlsApplet parental_controls,
                                      PhotoViewer photo_viewer, ProfileSelect profile_select,
-                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser,
+                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser)
-                                     ECommerceApplet e_commerce)
+    : controller{std::move(controller)}, e_commerce{std::move(e_commerce)}, error{std::move(error)},
-    : parental_controls{std::move(parental_controls)}, error{std::move(error)},
+      parental_controls{std::move(parental_controls)}, photo_viewer{std::move(photo_viewer)},
-      photo_viewer{std::move(photo_viewer)}, profile_select{std::move(profile_select)},
+      profile_select{std::move(profile_select)}, software_keyboard{std::move(software_keyboard)},
-      software_keyboard{std::move(software_keyboard)}, web_browser{std::move(web_browser)},
+      web_browser{std::move(web_browser)} {}
-      e_commerce{std::move(e_commerce)} {}
 
 AppletFrontendSet::~AppletFrontendSet() = default;
 
@@ -164,20 +166,37 @@ const AppletFrontendSet& AppletManager::GetAppletFrontendSet() const {
 }
 
 void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
-    if (set.parental_controls != nullptr)
+    if (set.controller != nullptr) {
-        frontend.parental_controls = std::move(set.parental_controls);
+        frontend.controller = std::move(set.controller);
-    if (set.error != nullptr)
+    }
-        frontend.error = std::move(set.error);
+
-    if (set.photo_viewer != nullptr)
+    if (set.e_commerce != nullptr) {
-        frontend.photo_viewer = std::move(set.photo_viewer);
-    if (set.profile_select != nullptr)
-        frontend.profile_select = std::move(set.profile_select);
-    if (set.software_keyboard != nullptr)
-        frontend.software_keyboard = std::move(set.software_keyboard);
-    if (set.web_browser != nullptr)
-        frontend.web_browser = std::move(set.web_browser);
-    if (set.e_commerce != nullptr)
         frontend.e_commerce = std::move(set.e_commerce);
+    }
+
+    if (set.error != nullptr) {
+        frontend.error = std::move(set.error);
+    }
+
+    if (set.parental_controls != nullptr) {
+        frontend.parental_controls = std::move(set.parental_controls);
+    }
+
+    if (set.photo_viewer != nullptr) {
+        frontend.photo_viewer = std::move(set.photo_viewer);
+    }
+
+    if (set.profile_select != nullptr) {
+        frontend.profile_select = std::move(set.profile_select);
+    }
+
+    if (set.software_keyboard != nullptr) {
+        frontend.software_keyboard = std::move(set.software_keyboard);
+    }
+
+    if (set.web_browser != nullptr) {
+        frontend.web_browser = std::move(set.web_browser);
+    }
 }
 
 void AppletManager::SetDefaultAppletFrontendSet() {
@@ -186,15 +205,23 @@ void AppletManager::SetDefaultAppletFrontendSet() {
 }
 
 void AppletManager::SetDefaultAppletsIfMissing() {
-    if (frontend.parental_controls == nullptr) {
+    if (frontend.controller == nullptr) {
-        frontend.parental_controls =
+        frontend.controller = std::make_unique<Core::Frontend::DefaultControllerApplet>();
-            std::make_unique<Core::Frontend::DefaultParentalControlsApplet>();
+    }
+
+    if (frontend.e_commerce == nullptr) {
+        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
     }
 
     if (frontend.error == nullptr) {
         frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
     }
 
+    if (frontend.parental_controls == nullptr) {
+        frontend.parental_controls =
+            std::make_unique<Core::Frontend::DefaultParentalControlsApplet>();
+    }
+
     if (frontend.photo_viewer == nullptr) {
         frontend.photo_viewer = std::make_unique<Core::Frontend::DefaultPhotoViewerApplet>();
     }
@@ -211,10 +238,6 @@ void AppletManager::SetDefaultAppletsIfMissing() {
     if (frontend.web_browser == nullptr) {
         frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
     }
-
-    if (frontend.e_commerce == nullptr) {
-        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
-    }
 }
 
 void AppletManager::ClearAll() {
@@ -225,6 +248,8 @@ std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
     switch (id) {
     case AppletId::Auth:
         return std::make_shared<Auth>(system, *frontend.parental_controls);
+    case AppletId::Controller:
+        return std::make_shared<Controller>(system, *frontend.controller);
     case AppletId::Error:
         return std::make_shared<Error>(system, *frontend.error);
     case AppletId::ProfileSelect:

src/core/hle/service/am/applets/applets.h

@@ -17,6 +17,7 @@ class System;
 }
 
 namespace Core::Frontend {
+class ControllerApplet;
 class ECommerceApplet;
 class ErrorApplet;
 class ParentalControlsApplet;
@@ -155,19 +156,20 @@ protected:
 };
 
 struct AppletFrontendSet {
-    using ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
+    using ControllerApplet = std::unique_ptr<Core::Frontend::ControllerApplet>;
+    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
     using ErrorApplet = std::unique_ptr<Core::Frontend::ErrorApplet>;
+    using ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
     using PhotoViewer = std::unique_ptr<Core::Frontend::PhotoViewerApplet>;
     using ProfileSelect = std::unique_ptr<Core::Frontend::ProfileSelectApplet>;
     using SoftwareKeyboard = std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet>;
     using WebBrowser = std::unique_ptr<Core::Frontend::WebBrowserApplet>;
-    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
 
     AppletFrontendSet();
-    AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
+    AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce, ErrorApplet error,
-                      PhotoViewer photo_viewer, ProfileSelect profile_select,
+                      ParentalControlsApplet parental_controls, PhotoViewer photo_viewer,
-                      SoftwareKeyboard software_keyboard, WebBrowser web_browser,
+                      ProfileSelect profile_select, SoftwareKeyboard software_keyboard,
-                      ECommerceApplet e_commerce);
+                      WebBrowser web_browser);
     ~AppletFrontendSet();
 
     AppletFrontendSet(const AppletFrontendSet&) = delete;
@@ -176,13 +178,14 @@ struct AppletFrontendSet {
     AppletFrontendSet(AppletFrontendSet&&) noexcept;
     AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
 
-    ParentalControlsApplet parental_controls;
+    ControllerApplet controller;
+    ECommerceApplet e_commerce;
     ErrorApplet error;
+    ParentalControlsApplet parental_controls;
     PhotoViewer photo_viewer;
     ProfileSelect profile_select;
     SoftwareKeyboard software_keyboard;
     WebBrowser web_browser;
-    ECommerceApplet e_commerce;
 };
 
 class AppletManager {

src/core/hle/service/am/applets/controller.cpp

@@ -0,0 +1,210 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/frontend/applets/controller.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/controller.h"
+#include "core/hle/service/hid/controllers/npad.h"
+
+namespace Service::AM::Applets {
+
+// This error code (0x183ACA) is thrown when the applet fails to initialize.
+[[maybe_unused]] constexpr ResultCode ERR_CONTROLLER_APPLET_3101{ErrorModule::HID, 3101};
+// This error code (0x183CCA) is thrown when the u32 result in ControllerSupportResultInfo is 2.
+[[maybe_unused]] constexpr ResultCode ERR_CONTROLLER_APPLET_3102{ErrorModule::HID, 3102};
+
+static Core::Frontend::ControllerParameters ConvertToFrontendParameters(
+    ControllerSupportArgPrivate private_arg, ControllerSupportArgHeader header, bool enable_text,
+    std::vector<IdentificationColor> identification_colors, std::vector<ExplainText> text) {
+    HID::Controller_NPad::NPadType npad_style_set;
+    npad_style_set.raw = private_arg.style_set;
+
+    return {
+        .min_players = std::max(s8(1), header.player_count_min),
+        .max_players = header.player_count_max,
+        .keep_controllers_connected = header.enable_take_over_connection,
+        .enable_single_mode = header.enable_single_mode,
+        .enable_border_color = header.enable_identification_color,
+        .border_colors = identification_colors,
+        .enable_explain_text = enable_text,
+        .explain_text = text,
+        .allow_pro_controller = npad_style_set.pro_controller == 1,
+        .allow_handheld = npad_style_set.handheld == 1,
+        .allow_dual_joycons = npad_style_set.joycon_dual == 1,
+        .allow_left_joycon = npad_style_set.joycon_left == 1,
+        .allow_right_joycon = npad_style_set.joycon_right == 1,
+    };
+}
+
+Controller::Controller(Core::System& system_, const Core::Frontend::ControllerApplet& frontend_)
+    : Applet{system_.Kernel()}, frontend(frontend_) {}
+
+Controller::~Controller() = default;
+
+void Controller::Initialize() {
+    Applet::Initialize();
+
+    LOG_INFO(Service_HID, "Initializing Controller Applet.");
+
+    LOG_DEBUG(Service_HID,
+              "Initializing Applet with common_args: arg_version={}, lib_version={}, "
+              "play_startup_sound={}, size={}, system_tick={}, theme_color={}",
+              common_args.arguments_version, common_args.library_version,
+              common_args.play_startup_sound, common_args.size, common_args.system_tick,
+              common_args.theme_color);
+
+    library_applet_version = LibraryAppletVersion{common_args.library_version};
+
+    const auto private_arg_storage = broker.PopNormalDataToApplet();
+    ASSERT(private_arg_storage != nullptr);
+
+    const auto& private_arg = private_arg_storage->GetData();
+    ASSERT(private_arg.size() == sizeof(ControllerSupportArgPrivate));
+
+    std::memcpy(&controller_private_arg, private_arg.data(), sizeof(ControllerSupportArgPrivate));
+    ASSERT_MSG(controller_private_arg.arg_private_size == sizeof(ControllerSupportArgPrivate),
+               "Unknown ControllerSupportArgPrivate revision={} with size={}",
+               library_applet_version, controller_private_arg.arg_private_size);
+
+    switch (controller_private_arg.mode) {
+    case ControllerSupportMode::ShowControllerSupport: {
+        const auto user_arg_storage = broker.PopNormalDataToApplet();
+        ASSERT(user_arg_storage != nullptr);
+
+        const auto& user_arg = user_arg_storage->GetData();
+        switch (library_applet_version) {
+        case LibraryAppletVersion::Version3:
+        case LibraryAppletVersion::Version4:
+        case LibraryAppletVersion::Version5:
+            ASSERT(user_arg.size() == sizeof(ControllerSupportArgOld));
+            std::memcpy(&controller_user_arg_old, user_arg.data(), sizeof(ControllerSupportArgOld));
+            break;
+        case LibraryAppletVersion::Version7:
+            ASSERT(user_arg.size() == sizeof(ControllerSupportArgNew));
+            std::memcpy(&controller_user_arg_new, user_arg.data(), sizeof(ControllerSupportArgNew));
+            break;
+        default:
+            UNIMPLEMENTED_MSG("Unknown ControllerSupportArg revision={} with size={}",
+                              library_applet_version, controller_private_arg.arg_size);
+            ASSERT(user_arg.size() >= sizeof(ControllerSupportArgNew));
+            std::memcpy(&controller_user_arg_new, user_arg.data(), sizeof(ControllerSupportArgNew));
+            break;
+        }
+        break;
+    }
+    case ControllerSupportMode::ShowControllerStrapGuide:
+    case ControllerSupportMode::ShowControllerFirmwareUpdate:
+    default: {
+        UNIMPLEMENTED_MSG("Unimplemented ControllerSupportMode={}", controller_private_arg.mode);
+        break;
+    }
+    }
+}
+
+bool Controller::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode Controller::GetStatus() const {
+    return status;
+}
+
+void Controller::ExecuteInteractive() {
+    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+}
+
+void Controller::Execute() {
+    switch (controller_private_arg.mode) {
+    case ControllerSupportMode::ShowControllerSupport: {
+        const auto parameters = [this] {
+            switch (library_applet_version) {
+            case LibraryAppletVersion::Version3:
+            case LibraryAppletVersion::Version4:
+            case LibraryAppletVersion::Version5:
+                return ConvertToFrontendParameters(
+                    controller_private_arg, controller_user_arg_old.header,
+                    controller_user_arg_old.enable_explain_text,
+                    std::vector<IdentificationColor>(
+                        controller_user_arg_old.identification_colors.begin(),
+                        controller_user_arg_old.identification_colors.end()),
+                    std::vector<ExplainText>(controller_user_arg_old.explain_text.begin(),
+                                             controller_user_arg_old.explain_text.end()));
+            case LibraryAppletVersion::Version7:
+            default:
+                return ConvertToFrontendParameters(
+                    controller_private_arg, controller_user_arg_new.header,
+                    controller_user_arg_new.enable_explain_text,
+                    std::vector<IdentificationColor>(
+                        controller_user_arg_new.identification_colors.begin(),
+                        controller_user_arg_new.identification_colors.end()),
+                    std::vector<ExplainText>(controller_user_arg_new.explain_text.begin(),
+                                             controller_user_arg_new.explain_text.end()));
+            }
+        }();
+
+        is_single_mode = parameters.enable_single_mode;
+
+        LOG_DEBUG(Service_HID,
+                  "Controller Parameters: min_players={}, max_players={}, "
+                  "keep_controllers_connected={}, enable_single_mode={}, enable_border_color={}, "
+                  "enable_explain_text={}, allow_pro_controller={}, allow_handheld={}, "
+                  "allow_dual_joycons={}, allow_left_joycon={}, allow_right_joycon={}",
+                  parameters.min_players, parameters.max_players,
+                  parameters.keep_controllers_connected, parameters.enable_single_mode,
+                  parameters.enable_border_color, parameters.enable_explain_text,
+                  parameters.allow_pro_controller, parameters.allow_handheld,
+                  parameters.allow_dual_joycons, parameters.allow_left_joycon,
+                  parameters.allow_right_joycon);
+
+        frontend.ReconfigureControllers([this] { ConfigurationComplete(); }, parameters);
+        break;
+    }
+    case ControllerSupportMode::ShowControllerStrapGuide:
+    case ControllerSupportMode::ShowControllerFirmwareUpdate:
+    default: {
+        ConfigurationComplete();
+        break;
+    }
+    }
+}
+
+void Controller::ConfigurationComplete() {
+    ControllerSupportResultInfo result_info{};
+
+    const auto& players = Settings::values.players;
+
+    // If enable_single_mode is enabled, player_count is 1 regardless of any other parameters.
+    // Otherwise, only count connected players from P1-P8.
+    result_info.player_count =
+        is_single_mode ? 1
+                       : static_cast<s8>(std::count_if(
+                             players.begin(), players.end() - 2,
+                             [](Settings::PlayerInput player) { return player.connected; }));
+
+    result_info.selected_id = HID::Controller_NPad::IndexToNPad(
+        std::distance(players.begin(),
+                      std::find_if(players.begin(), players.end(),
+                                   [](Settings::PlayerInput player) { return player.connected; })));
+
+    result_info.result = 0;
+
+    LOG_DEBUG(Service_HID, "Result Info: player_count={}, selected_id={}, result={}",
+              result_info.player_count, result_info.selected_id, result_info.result);
+
+    complete = true;
+    out_data = std::vector<u8>(sizeof(ControllerSupportResultInfo));
+    std::memcpy(out_data.data(), &result_info, out_data.size());
+    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(std::move(out_data)));
+    broker.SignalStateChanged();
+}
+
+} // namespace Service::AM::Applets

src/core/hle/service/am/applets/controller.h

@@ -0,0 +1,123 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <vector>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::AM::Applets {
+
+using IdentificationColor = std::array<u8, 4>;
+using ExplainText = std::array<char, 0x81>;
+
+enum class LibraryAppletVersion : u32_le {
+    Version3 = 0x3, // 1.0.0 - 2.3.0
+    Version4 = 0x4, // 3.0.0 - 5.1.0
+    Version5 = 0x5, // 6.0.0 - 7.0.1
+    Version7 = 0x7, // 8.0.0+
+};
+
+enum class ControllerSupportMode : u8 {
+    ShowControllerSupport = 0,
+    ShowControllerStrapGuide = 1,
+    ShowControllerFirmwareUpdate = 2,
+};
+
+enum class ControllerSupportCaller : u8 {
+    Application = 0,
+    System = 1,
+};
+
+struct ControllerSupportArgPrivate {
+    u32 arg_private_size{};
+    u32 arg_size{};
+    bool flag_0{};
+    bool flag_1{};
+    ControllerSupportMode mode{};
+    ControllerSupportCaller caller{};
+    u32 style_set{};
+    u32 joy_hold_type{};
+};
+static_assert(sizeof(ControllerSupportArgPrivate) == 0x14,
+              "ControllerSupportArgPrivate has incorrect size.");
+
+struct ControllerSupportArgHeader {
+    s8 player_count_min{};
+    s8 player_count_max{};
+    bool enable_take_over_connection{};
+    bool enable_left_justify{};
+    bool enable_permit_joy_dual{};
+    bool enable_single_mode{};
+    bool enable_identification_color{};
+};
+static_assert(sizeof(ControllerSupportArgHeader) == 0x7,
+              "ControllerSupportArgHeader has incorrect size.");
+
+// LibraryAppletVersion 0x3, 0x4, 0x5
+struct ControllerSupportArgOld {
+    ControllerSupportArgHeader header{};
+    std::array<IdentificationColor, 4> identification_colors{};
+    bool enable_explain_text{};
+    std::array<ExplainText, 4> explain_text{};
+};
+static_assert(sizeof(ControllerSupportArgOld) == 0x21C,
+              "ControllerSupportArgOld has incorrect size.");
+
+// LibraryAppletVersion 0x7
+struct ControllerSupportArgNew {
+    ControllerSupportArgHeader header{};
+    std::array<IdentificationColor, 8> identification_colors{};
+    bool enable_explain_text{};
+    std::array<ExplainText, 8> explain_text{};
+};
+static_assert(sizeof(ControllerSupportArgNew) == 0x430,
+              "ControllerSupportArgNew has incorrect size.");
+
+struct ControllerSupportResultInfo {
+    s8 player_count{};
+    INSERT_PADDING_BYTES(3);
+    u32 selected_id{};
+    u32 result{};
+};
+static_assert(sizeof(ControllerSupportResultInfo) == 0xC,
+              "ControllerSupportResultInfo has incorrect size.");
+
+class Controller final : public Applet {
+public:
+    explicit Controller(Core::System& system_, const Core::Frontend::ControllerApplet& frontend_);
+    ~Controller() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void ConfigurationComplete();
+
+private:
+    const Core::Frontend::ControllerApplet& frontend;
+
+    LibraryAppletVersion library_applet_version;
+    ControllerSupportArgPrivate controller_private_arg;
+    ControllerSupportArgOld controller_user_arg_old;
+    ControllerSupportArgNew controller_user_arg_new;
+    bool complete{false};
+    ResultCode status{RESULT_SUCCESS};
+    bool is_single_mode{false};
+    std::vector<u8> out_data;
+};
+
+} // namespace Service::AM::Applets

src/core/hle/service/hid/controllers/npad.cpp

@@ -193,7 +193,8 @@ void Controller_NPad::InitNewlyAddedController(std::size_t controller_idx) {
     controller.battery_level[0] = BATTERY_FULL;
     controller.battery_level[1] = BATTERY_FULL;
     controller.battery_level[2] = BATTERY_FULL;
-    styleset_changed_events[controller_idx].writable->Signal();
+
+    SignalStyleSetChangedEvent(IndexToNPad(controller_idx));
 }
 
 void Controller_NPad::OnInit() {
@@ -518,13 +519,17 @@ void Controller_NPad::VibrateController(const std::vector<u32>& controller_ids,
     last_processed_vibration = vibrations.back();
 }
 
+Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {
+    return last_processed_vibration;
+}
+
 std::shared_ptr<Kernel::ReadableEvent> Controller_NPad::GetStyleSetChangedEvent(u32 npad_id) const {
     const auto& styleset_event = styleset_changed_events[NPadIdToIndex(npad_id)];
     return styleset_event.readable;
 }
 
-Controller_NPad::Vibration Controller_NPad::GetLastVibration() const {
+void Controller_NPad::SignalStyleSetChangedEvent(u32 npad_id) const {
-    return last_processed_vibration;
+    styleset_changed_events[NPadIdToIndex(npad_id)].writable->Signal();
 }
 
 void Controller_NPad::AddNewControllerAt(NPadControllerType controller, std::size_t npad_index) {
@@ -534,7 +539,7 @@ void Controller_NPad::AddNewControllerAt(NPadControllerType controller, std::siz
 void Controller_NPad::UpdateControllerAt(NPadControllerType controller, std::size_t npad_index,
                                          bool connected) {
     if (!connected) {
-        DisconnectNPad(IndexToNPad(npad_index));
+        DisconnectNPadAtIndex(npad_index);
         return;
     }
 
@@ -554,16 +559,19 @@ void Controller_NPad::UpdateControllerAt(NPadControllerType controller, std::siz
 }
 
 void Controller_NPad::DisconnectNPad(u32 npad_id) {
-    const auto npad_index = NPadIdToIndex(npad_id);
+    DisconnectNPadAtIndex(NPadIdToIndex(npad_id));
-    connected_controllers[npad_index].is_connected = false;
+}
+
+void Controller_NPad::DisconnectNPadAtIndex(std::size_t npad_index) {
     Settings::values.players[npad_index].connected = false;
+    connected_controllers[npad_index].is_connected = false;
 
     auto& controller = shared_memory_entries[npad_index];
     controller.joy_styles.raw = 0; // Zero out
     controller.device_type.raw = 0;
     controller.properties.raw = 0;
 
-    styleset_changed_events[npad_index].writable->Signal();
+    SignalStyleSetChangedEvent(IndexToNPad(npad_index));
 }
 
 void Controller_NPad::SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode) {
@@ -666,13 +674,13 @@ void Controller_NPad::ClearAllConnectedControllers() {
 }
 
 void Controller_NPad::DisconnectAllConnectedControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         controller.is_connected = false;
     }
 }
 
 void Controller_NPad::ConnectAllDisconnectedControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         if (controller.type != NPadControllerType::None && !controller.is_connected) {
             controller.is_connected = true;
         }
@@ -680,7 +688,7 @@ void Controller_NPad::ConnectAllDisconnectedControllers() {
 }
 
 void Controller_NPad::ClearAllControllers() {
-    for (ControllerHolder& controller : connected_controllers) {
+    for (auto& controller : connected_controllers) {
         controller.type = NPadControllerType::None;
         controller.is_connected = false;
     }
@@ -728,92 +736,4 @@ bool Controller_NPad::IsControllerSupported(NPadControllerType controller) const
     return false;
 }
 
-Controller_NPad::NPadControllerType Controller_NPad::DecideBestController(
-    NPadControllerType priority) const {
-    if (IsControllerSupported(priority)) {
-        return priority;
-    }
-    const auto is_docked = Settings::values.use_docked_mode;
-    if (is_docked && priority == NPadControllerType::Handheld) {
-        priority = NPadControllerType::JoyDual;
-        if (IsControllerSupported(priority)) {
-            return priority;
-        }
-    }
-    std::vector<NPadControllerType> priority_list;
-    switch (priority) {
-    case NPadControllerType::ProController:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::Handheld:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyDual:
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyLeft:
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::JoyRight:
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::Pokeball);
-        break;
-    case NPadControllerType::Pokeball:
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        break;
-    default:
-        priority_list.push_back(NPadControllerType::JoyDual);
-        if (!is_docked) {
-            priority_list.push_back(NPadControllerType::Handheld);
-        }
-        priority_list.push_back(NPadControllerType::ProController);
-        priority_list.push_back(NPadControllerType::JoyLeft);
-        priority_list.push_back(NPadControllerType::JoyRight);
-        priority_list.push_back(NPadControllerType::JoyDual);
-        break;
-    }
-
-    const auto iter = std::find_if(priority_list.begin(), priority_list.end(),
-                                   [this](auto type) { return IsControllerSupported(type); });
-    if (iter == priority_list.end()) {
-        UNIMPLEMENTED_MSG("Could not find supported controller!");
-        return priority;
-    }
-
-    return *iter;
-}
-
 } // namespace Service::HID

src/core/hle/service/hid/controllers/npad.h

@@ -115,15 +115,19 @@ public:
     void VibrateController(const std::vector<u32>& controller_ids,
                            const std::vector<Vibration>& vibrations);
 
-    std::shared_ptr<Kernel::ReadableEvent> GetStyleSetChangedEvent(u32 npad_id) const;
     Vibration GetLastVibration() const;
 
+    std::shared_ptr<Kernel::ReadableEvent> GetStyleSetChangedEvent(u32 npad_id) const;
+    void SignalStyleSetChangedEvent(u32 npad_id) const;
+
     // Adds a new controller at an index.
     void AddNewControllerAt(NPadControllerType controller, std::size_t npad_index);
     // Adds a new controller at an index with connection status.
     void UpdateControllerAt(NPadControllerType controller, std::size_t npad_index, bool connected);
 
     void DisconnectNPad(u32 npad_id);
+    void DisconnectNPadAtIndex(std::size_t index);
+
     void SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode);
     GyroscopeZeroDriftMode GetGyroscopeZeroDriftMode() const;
     LedPattern GetLedPattern(u32 npad_id);
@@ -315,7 +319,6 @@ private:
 
     void InitNewlyAddedController(std::size_t controller_idx);
     bool IsControllerSupported(NPadControllerType controller) const;
-    NPadControllerType DecideBestController(NPadControllerType priority) const;
     void RequestPadStateUpdate(u32 npad_id);
 
     u32 press_state{};

src/yuzu/CMakeLists.txt

@@ -9,6 +9,9 @@ add_executable(yuzu
     about_dialog.cpp
     about_dialog.h
     aboutdialog.ui
+    applets/controller.cpp
+    applets/controller.h
+    applets/controller.ui
     applets/error.cpp
     applets/error.h
     applets/profile_select.cpp
@@ -62,12 +65,15 @@ add_executable(yuzu
     configuration/configure_input.cpp
     configuration/configure_input.h
     configuration/configure_input.ui
-    configuration/configure_input_player.cpp
-    configuration/configure_input_player.h
-    configuration/configure_input_player.ui
     configuration/configure_input_advanced.cpp
     configuration/configure_input_advanced.h
     configuration/configure_input_advanced.ui
+    configuration/configure_input_dialog.cpp
+    configuration/configure_input_dialog.h
+    configuration/configure_input_dialog.ui
+    configuration/configure_input_player.cpp
+    configuration/configure_input_player.h
+    configuration/configure_input_player.ui
     configuration/configure_motion_touch.cpp
     configuration/configure_motion_touch.h
     configuration/configure_motion_touch.ui

src/yuzu/applets/controller.cpp

@@ -0,0 +1,601 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+
+#include "common/assert.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/hle/lock.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+#include "ui_controller.h"
+#include "yuzu/applets/controller.h"
+#include "yuzu/configuration/configure_input_dialog.h"
+#include "yuzu/main.h"
+
+namespace {
+
+constexpr std::array<std::array<bool, 4>, 8> led_patterns = {{
+    {1, 0, 0, 0},
+    {1, 1, 0, 0},
+    {1, 1, 1, 0},
+    {1, 1, 1, 1},
+    {1, 0, 0, 1},
+    {1, 0, 1, 0},
+    {1, 0, 1, 1},
+    {0, 1, 1, 0},
+}};
+
+void UpdateController(Settings::ControllerType controller_type, std::size_t npad_index,
+                      bool connected) {
+    Core::System& system{Core::System::GetInstance()};
+
+    if (!system.IsPoweredOn()) {
+        return;
+    }
+
+    Service::SM::ServiceManager& sm = system.ServiceManager();
+
+    auto& npad =
+        sm.GetService<Service::HID::Hid>("hid")
+            ->GetAppletResource()
+            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);
+
+    npad.UpdateControllerAt(npad.MapSettingsTypeToNPad(controller_type), npad_index, connected);
+}
+
+// Returns true if the given controller type is compatible with the given parameters.
+bool IsControllerCompatible(Settings::ControllerType controller_type,
+                            Core::Frontend::ControllerParameters parameters) {
+    switch (controller_type) {
+    case Settings::ControllerType::ProController:
+        return parameters.allow_pro_controller;
+    case Settings::ControllerType::DualJoyconDetached:
+        return parameters.allow_dual_joycons;
+    case Settings::ControllerType::LeftJoycon:
+        return parameters.allow_left_joycon;
+    case Settings::ControllerType::RightJoycon:
+        return parameters.allow_right_joycon;
+    case Settings::ControllerType::Handheld:
+        return parameters.enable_single_mode && parameters.allow_handheld;
+    default:
+        return false;
+    }
+}
+
+/// Maps the controller type combobox index to Controller Type enum
+constexpr Settings::ControllerType GetControllerTypeFromIndex(int index) {
+    switch (index) {
+    case 0:
+    default:
+        return Settings::ControllerType::ProController;
+    case 1:
+        return Settings::ControllerType::DualJoyconDetached;
+    case 2:
+        return Settings::ControllerType::LeftJoycon;
+    case 3:
+        return Settings::ControllerType::RightJoycon;
+    case 4:
+        return Settings::ControllerType::Handheld;
+    }
+}
+
+/// Maps the Controller Type enum to controller type combobox index
+constexpr int GetIndexFromControllerType(Settings::ControllerType type) {
+    switch (type) {
+    case Settings::ControllerType::ProController:
+    default:
+        return 0;
+    case Settings::ControllerType::DualJoyconDetached:
+        return 1;
+    case Settings::ControllerType::LeftJoycon:
+        return 2;
+    case Settings::ControllerType::RightJoycon:
+        return 3;
+    case Settings::ControllerType::Handheld:
+        return 4;
+    }
+}
+
+} // namespace
+
+QtControllerSelectorDialog::QtControllerSelectorDialog(
+    QWidget* parent, Core::Frontend::ControllerParameters parameters_,
+    InputCommon::InputSubsystem* input_subsystem_)
+    : QDialog(parent), ui(std::make_unique<Ui::QtControllerSelectorDialog>()),
+      parameters(std::move(parameters_)), input_subsystem(input_subsystem_) {
+    ui->setupUi(this);
+
+    player_widgets = {
+        ui->widgetPlayer1, ui->widgetPlayer2, ui->widgetPlayer3, ui->widgetPlayer4,
+        ui->widgetPlayer5, ui->widgetPlayer6, ui->widgetPlayer7, ui->widgetPlayer8,
+    };
+
+    player_groupboxes = {
+        ui->groupPlayer1Connected, ui->groupPlayer2Connected, ui->groupPlayer3Connected,
+        ui->groupPlayer4Connected, ui->groupPlayer5Connected, ui->groupPlayer6Connected,
+        ui->groupPlayer7Connected, ui->groupPlayer8Connected,
+    };
+
+    connected_controller_icons = {
+        ui->controllerPlayer1, ui->controllerPlayer2, ui->controllerPlayer3, ui->controllerPlayer4,
+        ui->controllerPlayer5, ui->controllerPlayer6, ui->controllerPlayer7, ui->controllerPlayer8,
+    };
+
+    led_patterns_boxes = {{
+        {ui->checkboxPlayer1LED1, ui->checkboxPlayer1LED2, ui->checkboxPlayer1LED3,
+         ui->checkboxPlayer1LED4},
+        {ui->checkboxPlayer2LED1, ui->checkboxPlayer2LED2, ui->checkboxPlayer2LED3,
+         ui->checkboxPlayer2LED4},
+        {ui->checkboxPlayer3LED1, ui->checkboxPlayer3LED2, ui->checkboxPlayer3LED3,
+         ui->checkboxPlayer3LED4},
+        {ui->checkboxPlayer4LED1, ui->checkboxPlayer4LED2, ui->checkboxPlayer4LED3,
+         ui->checkboxPlayer4LED4},
+        {ui->checkboxPlayer5LED1, ui->checkboxPlayer5LED2, ui->checkboxPlayer5LED3,
+         ui->checkboxPlayer5LED4},
+        {ui->checkboxPlayer6LED1, ui->checkboxPlayer6LED2, ui->checkboxPlayer6LED3,
+         ui->checkboxPlayer6LED4},
+        {ui->checkboxPlayer7LED1, ui->checkboxPlayer7LED2, ui->checkboxPlayer7LED3,
+         ui->checkboxPlayer7LED4},
+        {ui->checkboxPlayer8LED1, ui->checkboxPlayer8LED2, ui->checkboxPlayer8LED3,
+         ui->checkboxPlayer8LED4},
+    }};
+
+    explain_text_labels = {
+        ui->labelPlayer1Explain, ui->labelPlayer2Explain, ui->labelPlayer3Explain,
+        ui->labelPlayer4Explain, ui->labelPlayer5Explain, ui->labelPlayer6Explain,
+        ui->labelPlayer7Explain, ui->labelPlayer8Explain,
+    };
+
+    emulated_controllers = {
+        ui->comboPlayer1Emulated, ui->comboPlayer2Emulated, ui->comboPlayer3Emulated,
+        ui->comboPlayer4Emulated, ui->comboPlayer5Emulated, ui->comboPlayer6Emulated,
+        ui->comboPlayer7Emulated, ui->comboPlayer8Emulated,
+    };
+
+    player_labels = {
+        ui->labelPlayer1, ui->labelPlayer2, ui->labelPlayer3, ui->labelPlayer4,
+        ui->labelPlayer5, ui->labelPlayer6, ui->labelPlayer7, ui->labelPlayer8,
+    };
+
+    connected_controller_labels = {
+        ui->labelConnectedPlayer1, ui->labelConnectedPlayer2, ui->labelConnectedPlayer3,
+        ui->labelConnectedPlayer4, ui->labelConnectedPlayer5, ui->labelConnectedPlayer6,
+        ui->labelConnectedPlayer7, ui->labelConnectedPlayer8,
+    };
+
+    connected_controller_checkboxes = {
+        ui->checkboxPlayer1Connected, ui->checkboxPlayer2Connected, ui->checkboxPlayer3Connected,
+        ui->checkboxPlayer4Connected, ui->checkboxPlayer5Connected, ui->checkboxPlayer6Connected,
+        ui->checkboxPlayer7Connected, ui->checkboxPlayer8Connected,
+    };
+
+    // Setup/load everything prior to setting up connections.
+    // This avoids unintentionally changing the states of elements while loading them in.
+    SetSupportedControllers();
+    DisableUnsupportedPlayers();
+    LoadConfiguration();
+
+    for (std::size_t i = 0; i < NUM_PLAYERS; ++i) {
+        SetExplainText(i);
+        UpdateControllerIcon(i);
+        UpdateLEDPattern(i);
+        UpdateBorderColor(i);
+
+        connect(player_groupboxes[i], &QGroupBox::toggled, [this, i](bool checked) {
+            if (checked) {
+                for (std::size_t index = 0; index <= i; ++index) {
+                    connected_controller_checkboxes[index]->setChecked(checked);
+                }
+            } else {
+                for (std::size_t index = i; index < NUM_PLAYERS; ++index) {
+                    connected_controller_checkboxes[index]->setChecked(checked);
+                }
+            }
+        });
+
+        connect(emulated_controllers[i], qOverload<int>(&QComboBox::currentIndexChanged),
+                [this, i](int) {
+                    UpdateControllerIcon(i);
+                    UpdateControllerState(i);
+                    UpdateLEDPattern(i);
+                    CheckIfParametersMet();
+                });
+
+        connect(connected_controller_checkboxes[i], &QCheckBox::stateChanged, [this, i](int state) {
+            player_groupboxes[i]->setChecked(state == Qt::Checked);
+            UpdateControllerIcon(i);
+            UpdateControllerState(i);
+            UpdateLEDPattern(i);
+            UpdateBorderColor(i);
+            CheckIfParametersMet();
+        });
+
+        if (i == 0) {
+            connect(emulated_controllers[i], qOverload<int>(&QComboBox::currentIndexChanged),
+                    [this](int index) {
+                        UpdateDockedState(GetControllerTypeFromIndex(index) ==
+                                          Settings::ControllerType::Handheld);
+                    });
+        }
+    }
+
+    connect(ui->inputConfigButton, &QPushButton::clicked, this,
+            &QtControllerSelectorDialog::CallConfigureInputDialog);
+
+    connect(ui->buttonBox, &QDialogButtonBox::accepted, this,
+            &QtControllerSelectorDialog::ApplyConfiguration);
+
+    // If keep_controllers_connected is false, forcefully disconnect all controllers
+    if (!parameters.keep_controllers_connected) {
+        for (auto player : player_groupboxes) {
+            player->setChecked(false);
+        }
+    }
+
+    CheckIfParametersMet();
+
+    resize(0, 0);
+}
+
+QtControllerSelectorDialog::~QtControllerSelectorDialog() = default;
+
+void QtControllerSelectorDialog::ApplyConfiguration() {
+    // Update the controller state once more, just to be sure they are properly applied.
+    for (std::size_t index = 0; index < NUM_PLAYERS; ++index) {
+        UpdateControllerState(index);
+    }
+
+    const bool pre_docked_mode = Settings::values.use_docked_mode;
+    Settings::values.use_docked_mode = ui->radioDocked->isChecked();
+    OnDockedModeChanged(pre_docked_mode, Settings::values.use_docked_mode);
+
+    Settings::values.vibration_enabled = ui->vibrationGroup->isChecked();
+}
+
+void QtControllerSelectorDialog::LoadConfiguration() {
+    for (std::size_t index = 0; index < NUM_PLAYERS; ++index) {
+        const auto connected = Settings::values.players[index].connected ||
+                               (index == 0 && Settings::values.players[8].connected);
+        player_groupboxes[index]->setChecked(connected);
+        connected_controller_checkboxes[index]->setChecked(connected);
+        emulated_controllers[index]->setCurrentIndex(
+            GetIndexFromControllerType(Settings::values.players[index].controller_type));
+    }
+
+    UpdateDockedState(Settings::values.players[8].connected);
+
+    ui->vibrationGroup->setChecked(Settings::values.vibration_enabled);
+}
+
+void QtControllerSelectorDialog::CallConfigureInputDialog() {
+    const auto max_supported_players = parameters.enable_single_mode ? 1 : parameters.max_players;
+
+    ConfigureInputDialog dialog(this, max_supported_players, input_subsystem);
+
+    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
+                          Qt::WindowSystemMenuHint);
+    dialog.setWindowModality(Qt::WindowModal);
+    dialog.exec();
+
+    dialog.ApplyConfiguration();
+
+    LoadConfiguration();
+    CheckIfParametersMet();
+}
+
+void QtControllerSelectorDialog::CheckIfParametersMet() {
+    // Here, we check and validate the current configuration against all applicable parameters.
+    const auto num_connected_players = static_cast<int>(
+        std::count_if(player_groupboxes.begin(), player_groupboxes.end(),
+                      [this](const QGroupBox* player) { return player->isChecked(); }));
+
+    const auto min_supported_players = parameters.enable_single_mode ? 1 : parameters.min_players;
+    const auto max_supported_players = parameters.enable_single_mode ? 1 : parameters.max_players;
+
+    // First, check against the number of connected players.
+    if (num_connected_players < min_supported_players ||
+        num_connected_players > max_supported_players) {
+        parameters_met = false;
+        ui->buttonBox->setEnabled(parameters_met);
+        return;
+    }
+
+    // Next, check against all connected controllers.
+    const auto all_controllers_compatible = [this] {
+        for (std::size_t index = 0; index < NUM_PLAYERS; ++index) {
+            // Skip controllers that are not used, we only care about the currently connected ones.
+            if (!player_groupboxes[index]->isChecked() || !player_groupboxes[index]->isEnabled()) {
+                continue;
+            }
+
+            const auto compatible = IsControllerCompatible(
+                GetControllerTypeFromIndex(emulated_controllers[index]->currentIndex()),
+                parameters);
+
+            // If any controller is found to be incompatible, return false early.
+            if (!compatible) {
+                return false;
+            }
+        }
+
+        // Reaching here means all currently connected controllers are compatible.
+        return true;
+    }();
+
+    if (!all_controllers_compatible) {
+        parameters_met = false;
+        ui->buttonBox->setEnabled(parameters_met);
+        return;
+    }
+
+    parameters_met = true;
+    ui->buttonBox->setEnabled(parameters_met);
+}
+
+void QtControllerSelectorDialog::SetSupportedControllers() {
+    const QString theme = [this] {
+        if (QIcon::themeName().contains(QStringLiteral("dark"))) {
+            return QStringLiteral("_dark");
+        } else if (QIcon::themeName().contains(QStringLiteral("midnight"))) {
+            return QStringLiteral("_midnight");
+        } else {
+            return QString{};
+        }
+    }();
+
+    if (parameters.enable_single_mode && parameters.allow_handheld) {
+        ui->controllerSupported1->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_handheld%0); ").arg(theme));
+    } else {
+        ui->controllerSupported1->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_handheld%0_disabled); ").arg(theme));
+    }
+
+    if (parameters.allow_dual_joycons) {
+        ui->controllerSupported2->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_dual_joycon%0); ").arg(theme));
+    } else {
+        ui->controllerSupported2->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_dual_joycon%0_disabled); ").arg(theme));
+    }
+
+    if (parameters.allow_left_joycon) {
+        ui->controllerSupported3->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_joycon_left%0); ").arg(theme));
+    } else {
+        ui->controllerSupported3->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_joycon_left%0_disabled); ").arg(theme));
+    }
+
+    if (parameters.allow_right_joycon) {
+        ui->controllerSupported4->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_joycon_right%0); ").arg(theme));
+    } else {
+        ui->controllerSupported4->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_joycon_right%0_disabled); ").arg(theme));
+    }
+
+    if (parameters.allow_pro_controller) {
+        ui->controllerSupported5->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_pro_controller%0); ").arg(theme));
+    } else {
+        ui->controllerSupported5->setStyleSheet(
+            QStringLiteral("image: url(:/controller/applet_pro_controller%0_disabled); ")
+                .arg(theme));
+    }
+
+    // enable_single_mode overrides min_players and max_players.
+    if (parameters.enable_single_mode) {
+        ui->numberSupportedLabel->setText(QStringLiteral("1"));
+        return;
+    }
+
+    if (parameters.min_players == parameters.max_players) {
+        ui->numberSupportedLabel->setText(QStringLiteral("%1").arg(parameters.max_players));
+    } else {
+        ui->numberSupportedLabel->setText(
+            QStringLiteral("%1 - %2").arg(parameters.min_players).arg(parameters.max_players));
+    }
+}
+
+void QtControllerSelectorDialog::UpdateControllerIcon(std::size_t player_index) {
+    if (!player_groupboxes[player_index]->isChecked()) {
+        connected_controller_icons[player_index]->setStyleSheet(QString{});
+        player_labels[player_index]->show();
+        return;
+    }
+
+    const QString stylesheet = [this, player_index] {
+        switch (GetControllerTypeFromIndex(emulated_controllers[player_index]->currentIndex())) {
+        case Settings::ControllerType::ProController:
+            return QStringLiteral("image: url(:/controller/applet_pro_controller%0); ");
+        case Settings::ControllerType::DualJoyconDetached:
+            return QStringLiteral("image: url(:/controller/applet_dual_joycon%0); ");
+        case Settings::ControllerType::LeftJoycon:
+            return QStringLiteral("image: url(:/controller/applet_joycon_left%0); ");
+        case Settings::ControllerType::RightJoycon:
+            return QStringLiteral("image: url(:/controller/applet_joycon_right%0); ");
+        case Settings::ControllerType::Handheld:
+            return QStringLiteral("image: url(:/controller/applet_handheld%0); ");
+        default:
+            return QString{};
+        }
+    }();
+
+    const QString theme = [this] {
+        if (QIcon::themeName().contains(QStringLiteral("dark"))) {
+            return QStringLiteral("_dark");
+        } else if (QIcon::themeName().contains(QStringLiteral("midnight"))) {
+            return QStringLiteral("_midnight");
+        } else {
+            return QString{};
+        }
+    }();
+
+    connected_controller_icons[player_index]->setStyleSheet(stylesheet.arg(theme));
+    player_labels[player_index]->hide();
+}
+
+void QtControllerSelectorDialog::UpdateControllerState(std::size_t player_index) {
+    auto& player = Settings::values.players[player_index];
+
+    player.controller_type =
+        GetControllerTypeFromIndex(emulated_controllers[player_index]->currentIndex());
+    player.connected = player_groupboxes[player_index]->isChecked();
+
+    // Player 2-8
+    if (player_index != 0) {
+        UpdateController(player.controller_type, player_index, player.connected);
+        return;
+    }
+
+    // Player 1 and Handheld
+    auto& handheld = Settings::values.players[8];
+    // If Handheld is selected, copy all the settings from Player 1 to Handheld.
+    if (player.controller_type == Settings::ControllerType::Handheld) {
+        handheld = player;
+        handheld.connected = player_groupboxes[player_index]->isChecked();
+        player.connected = false; // Disconnect Player 1
+    } else {
+        player.connected = player_groupboxes[player_index]->isChecked();
+        handheld.connected = false; // Disconnect Handheld
+    }
+
+    UpdateController(player.controller_type, player_index, player.connected);
+    UpdateController(Settings::ControllerType::Handheld, 8, handheld.connected);
+}
+
+void QtControllerSelectorDialog::UpdateLEDPattern(std::size_t player_index) {
+    if (!player_groupboxes[player_index]->isChecked() ||
+        GetControllerTypeFromIndex(emulated_controllers[player_index]->currentIndex()) ==
+            Settings::ControllerType::Handheld) {
+        led_patterns_boxes[player_index][0]->setChecked(false);
+        led_patterns_boxes[player_index][1]->setChecked(false);
+        led_patterns_boxes[player_index][2]->setChecked(false);
+        led_patterns_boxes[player_index][3]->setChecked(false);
+        return;
+    }
+
+    led_patterns_boxes[player_index][0]->setChecked(led_patterns[player_index][0]);
+    led_patterns_boxes[player_index][1]->setChecked(led_patterns[player_index][1]);
+    led_patterns_boxes[player_index][2]->setChecked(led_patterns[player_index][2]);
+    led_patterns_boxes[player_index][3]->setChecked(led_patterns[player_index][3]);
+}
+
+void QtControllerSelectorDialog::UpdateBorderColor(std::size_t player_index) {
+    if (!parameters.enable_border_color ||
+        player_index >= static_cast<std::size_t>(parameters.max_players) ||
+        player_groupboxes[player_index]->styleSheet().contains(QStringLiteral("QGroupBox"))) {
+        return;
+    }
+
+    player_groupboxes[player_index]->setStyleSheet(
+        player_groupboxes[player_index]->styleSheet().append(
+            QStringLiteral("QGroupBox#groupPlayer%1Connected:checked "
+                           "{ border: 1px solid rgba(%2, %3, %4, %5); }")
+                .arg(player_index + 1)
+                .arg(parameters.border_colors[player_index][0])
+                .arg(parameters.border_colors[player_index][1])
+                .arg(parameters.border_colors[player_index][2])
+                .arg(parameters.border_colors[player_index][3])));
+}
+
+void QtControllerSelectorDialog::SetExplainText(std::size_t player_index) {
+    if (!parameters.enable_explain_text ||
+        player_index >= static_cast<std::size_t>(parameters.max_players)) {
+        return;
+    }
+
+    explain_text_labels[player_index]->setText(QString::fromStdString(
+        Common::StringFromFixedZeroTerminatedBuffer(parameters.explain_text[player_index].data(),
+                                                    parameters.explain_text[player_index].size())));
+}
+
+void QtControllerSelectorDialog::UpdateDockedState(bool is_handheld) {
+    // Disallow changing the console mode if the controller type is handheld.
+    ui->radioDocked->setEnabled(!is_handheld);
+    ui->radioUndocked->setEnabled(!is_handheld);
+
+    ui->radioDocked->setChecked(Settings::values.use_docked_mode);
+    ui->radioUndocked->setChecked(!Settings::values.use_docked_mode);
+
+    // Also force into undocked mode if the controller type is handheld.
+    if (is_handheld) {
+        ui->radioUndocked->setChecked(true);
+    }
+}
+
+void QtControllerSelectorDialog::DisableUnsupportedPlayers() {
+    const auto max_supported_players = parameters.enable_single_mode ? 1 : parameters.max_players;
+
+    switch (max_supported_players) {
+    case 0:
+    default:
+        UNREACHABLE();
+        return;
+    case 1:
+        ui->widgetSpacer->hide();
+        ui->widgetSpacer2->hide();
+        ui->widgetSpacer3->hide();
+        ui->widgetSpacer4->hide();
+        break;
+    case 2:
+        ui->widgetSpacer->hide();
+        ui->widgetSpacer2->hide();
+        ui->widgetSpacer3->hide();
+        break;
+    case 3:
+        ui->widgetSpacer->hide();
+        ui->widgetSpacer2->hide();
+        break;
+    case 4:
+        ui->widgetSpacer->hide();
+        break;
+    case 5:
+    case 6:
+    case 7:
+    case 8:
+        break;
+    }
+
+    for (std::size_t index = max_supported_players; index < NUM_PLAYERS; ++index) {
+        // Disconnect any unsupported players here and disable or hide them if applicable.
+        Settings::values.players[index].connected = false;
+        UpdateController(Settings::values.players[index].controller_type, index, false);
+        // Hide the player widgets when max_supported_controllers is less than or equal to 4.
+        if (max_supported_players <= 4) {
+            player_widgets[index]->hide();
+        }
+
+        // Disable and hide the following to prevent these from interaction.
+        player_widgets[index]->setDisabled(true);
+        connected_controller_checkboxes[index]->setDisabled(true);
+        connected_controller_labels[index]->hide();
+        connected_controller_checkboxes[index]->hide();
+    }
+}
+
+QtControllerSelector::QtControllerSelector(GMainWindow& parent) {
+    connect(this, &QtControllerSelector::MainWindowReconfigureControllers, &parent,
+            &GMainWindow::ControllerSelectorReconfigureControllers, Qt::QueuedConnection);
+    connect(&parent, &GMainWindow::ControllerSelectorReconfigureFinished, this,
+            &QtControllerSelector::MainWindowReconfigureFinished, Qt::QueuedConnection);
+}
+
+QtControllerSelector::~QtControllerSelector() = default;
+
+void QtControllerSelector::ReconfigureControllers(
+    std::function<void()> callback, Core::Frontend::ControllerParameters parameters) const {
+    this->callback = std::move(callback);
+    emit MainWindowReconfigureControllers(parameters);
+}
+
+void QtControllerSelector::MainWindowReconfigureFinished() {
+    // Acquire the HLE mutex
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+    callback();
+}

src/yuzu/applets/controller.h

@@ -0,0 +1,133 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <QDialog>
+#include "core/frontend/applets/controller.h"
+
+class GMainWindow;
+class QCheckBox;
+class QComboBox;
+class QDialogButtonBox;
+class QGroupBox;
+class QLabel;
+
+namespace InputCommon {
+class InputSubsystem;
+}
+
+namespace Ui {
+class QtControllerSelectorDialog;
+}
+
+class QtControllerSelectorDialog final : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit QtControllerSelectorDialog(QWidget* parent,
+                                        Core::Frontend::ControllerParameters parameters_,
+                                        InputCommon::InputSubsystem* input_subsystem_);
+    ~QtControllerSelectorDialog() override;
+
+private:
+    // Applies the current configuration.
+    void ApplyConfiguration();
+
+    // Loads the current input configuration into the frontend applet.
+    void LoadConfiguration();
+
+    // Initializes the "Configure Input" Dialog.
+    void CallConfigureInputDialog();
+
+    // Checks the current configuration against the given parameters and
+    // sets the value of parameters_met.
+    void CheckIfParametersMet();
+
+    // Sets the controller icons for "Supported Controller Types".
+    void SetSupportedControllers();
+
+    // Updates the controller icons per player.
+    void UpdateControllerIcon(std::size_t player_index);
+
+    // Updates the controller state (type and connection status) per player.
+    void UpdateControllerState(std::size_t player_index);
+
+    // Updates the LED pattern per player.
+    void UpdateLEDPattern(std::size_t player_index);
+
+    // Updates the border color per player.
+    void UpdateBorderColor(std::size_t player_index);
+
+    // Sets the "Explain Text" per player.
+    void SetExplainText(std::size_t player_index);
+
+    // Updates the console mode.
+    void UpdateDockedState(bool is_handheld);
+
+    // Disables and disconnects unsupported players based on the given parameters.
+    void DisableUnsupportedPlayers();
+
+    std::unique_ptr<Ui::QtControllerSelectorDialog> ui;
+
+    // Parameters sent in from the backend HLE applet.
+    Core::Frontend::ControllerParameters parameters;
+
+    InputCommon::InputSubsystem* input_subsystem;
+
+    // This is true if and only if all parameters are met. Otherwise, this is false.
+    // This determines whether the "OK" button can be clicked to exit the applet.
+    bool parameters_met{false};
+
+    static constexpr std::size_t NUM_PLAYERS = 8;
+
+    // Widgets encapsulating the groupboxes and comboboxes per player.
+    std::array<QWidget*, NUM_PLAYERS> player_widgets;
+
+    // Groupboxes encapsulating the controller icons and LED patterns per player.
+    std::array<QGroupBox*, NUM_PLAYERS> player_groupboxes;
+
+    // Icons for currently connected controllers/players.
+    std::array<QWidget*, NUM_PLAYERS> connected_controller_icons;
+
+    // Labels that represent the player numbers in place of the controller icons.
+    std::array<QLabel*, NUM_PLAYERS> player_labels;
+
+    // LED patterns for currently connected controllers/players.
+    std::array<std::array<QCheckBox*, 4>, NUM_PLAYERS> led_patterns_boxes;
+
+    // Labels representing additional information known as "Explain Text" per player.
+    std::array<QLabel*, NUM_PLAYERS> explain_text_labels;
+
+    // Comboboxes with a list of emulated controllers per player.
+    std::array<QComboBox*, NUM_PLAYERS> emulated_controllers;
+
+    // Labels representing the number of connected controllers
+    // above the "Connected Controllers" checkboxes.
+    std::array<QLabel*, NUM_PLAYERS> connected_controller_labels;
+
+    // Checkboxes representing the "Connected Controllers".
+    std::array<QCheckBox*, NUM_PLAYERS> connected_controller_checkboxes;
+};
+
+class QtControllerSelector final : public QObject, public Core::Frontend::ControllerApplet {
+    Q_OBJECT
+
+public:
+    explicit QtControllerSelector(GMainWindow& parent);
+    ~QtControllerSelector() override;
+
+    void ReconfigureControllers(std::function<void()> callback,
+                                Core::Frontend::ControllerParameters parameters) const override;
+
+signals:
+    void MainWindowReconfigureControllers(Core::Frontend::ControllerParameters parameters) const;
+
+private:
+    void MainWindowReconfigureFinished();
+
+    mutable std::function<void()> callback;
+};

src/yuzu/configuration/configure_input.cpp

@@ -70,7 +70,8 @@ ConfigureInput::ConfigureInput(QWidget* parent)
 
 ConfigureInput::~ConfigureInput() = default;
 
-void ConfigureInput::Initialize(InputCommon::InputSubsystem* input_subsystem) {
+void ConfigureInput::Initialize(InputCommon::InputSubsystem* input_subsystem,
+                                std::size_t max_players) {
     player_controllers = {
         new ConfigureInputPlayer(this, 0, ui->consoleInputSettings, input_subsystem),
         new ConfigureInputPlayer(this, 1, ui->consoleInputSettings, input_subsystem),
@@ -93,6 +94,11 @@ void ConfigureInput::Initialize(InputCommon::InputSubsystem* input_subsystem) {
         ui->checkboxPlayer7Connected, ui->checkboxPlayer8Connected,
     };
 
+    std::array<QLabel*, 8> player_connected_labels = {
+        ui->label,   ui->label_3, ui->label_4, ui->label_5,
+        ui->label_6, ui->label_7, ui->label_8, ui->label_9,
+    };
+
     for (std::size_t i = 0; i < player_tabs.size(); ++i) {
         player_tabs[i]->setLayout(new QHBoxLayout(player_tabs[i]));
         player_tabs[i]->layout()->addWidget(player_controllers[i]);
@@ -112,6 +118,13 @@ void ConfigureInput::Initialize(InputCommon::InputSubsystem* input_subsystem) {
         connect(player_connected[i], &QCheckBox::stateChanged, [this, i](int state) {
             player_controllers[i]->ConnectPlayer(state == Qt::Checked);
         });
+
+        // Remove/hide all the elements that exceed max_players, if applicable.
+        if (i >= max_players) {
+            ui->tabWidget->removeTab(static_cast<int>(max_players));
+            player_connected[i]->hide();
+            player_connected_labels[i]->hide();
+        }
     }
     // Only the first player can choose handheld mode so connect the signal just to player 1
     connect(player_controllers[0], &ConfigureInputPlayer::HandheldStateChanged,
@@ -175,8 +188,7 @@ void ConfigureInput::RetranslateUI() {
 
 void ConfigureInput::LoadConfiguration() {
     LoadPlayerControllerIndices();
-    UpdateDockedState(Settings::values.players[0].controller_type ==
+    UpdateDockedState(Settings::values.players[8].connected);
-                      Settings::ControllerType::Handheld);
 
     ui->vibrationGroup->setChecked(Settings::values.vibration_enabled);
 }
@@ -208,14 +220,14 @@ void ConfigureInput::RestoreDefaults() {
 }
 
 void ConfigureInput::UpdateDockedState(bool is_handheld) {
-    // If the controller type is handheld only, disallow changing docked mode
+    // Disallow changing the console mode if the controller type is handheld.
     ui->radioDocked->setEnabled(!is_handheld);
     ui->radioUndocked->setEnabled(!is_handheld);
 
     ui->radioDocked->setChecked(Settings::values.use_docked_mode);
     ui->radioUndocked->setChecked(!Settings::values.use_docked_mode);
 
-    // If its handheld only, force docked mode off (since you can't play handheld in a dock)
+    // Also force into undocked mode if the controller type is handheld.
     if (is_handheld) {
         ui->radioUndocked->setChecked(true);
     }

src/yuzu/configuration/configure_input.h

@@ -37,7 +37,7 @@ public:
     ~ConfigureInput() override;
 
     /// Initializes the input dialog with the given input subsystem.
-    void Initialize(InputCommon::InputSubsystem* input_subsystem_);
+    void Initialize(InputCommon::InputSubsystem* input_subsystem_, std::size_t max_players = 8);
 
     /// Save all button configurations to settings file.
     void ApplyConfiguration();

src/yuzu/configuration/configure_input_dialog.cpp

@@ -0,0 +1,37 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "ui_configure_input_dialog.h"
+#include "yuzu/configuration/configure_input_dialog.h"
+
+ConfigureInputDialog::ConfigureInputDialog(QWidget* parent, std::size_t max_players,
+                                           InputCommon::InputSubsystem* input_subsystem)
+    : QDialog(parent), ui(std::make_unique<Ui::ConfigureInputDialog>()),
+      input_widget(new ConfigureInput(this)) {
+    ui->setupUi(this);
+
+    input_widget->Initialize(input_subsystem, max_players);
+
+    ui->inputLayout->addWidget(input_widget);
+
+    RetranslateUI();
+}
+
+ConfigureInputDialog::~ConfigureInputDialog() = default;
+
+void ConfigureInputDialog::ApplyConfiguration() {
+    input_widget->ApplyConfiguration();
+}
+
+void ConfigureInputDialog::changeEvent(QEvent* event) {
+    if (event->type() == QEvent::LanguageChange) {
+        RetranslateUI();
+    }
+
+    QDialog::changeEvent(event);
+}
+
+void ConfigureInputDialog::RetranslateUI() {
+    ui->retranslateUi(this);
+}

src/yuzu/configuration/configure_input_dialog.h

@@ -0,0 +1,38 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QDialog>
+#include "yuzu/configuration/configure_input.h"
+
+class QPushButton;
+
+namespace InputCommon {
+class InputSubsystem;
+}
+
+namespace Ui {
+class ConfigureInputDialog;
+}
+
+class ConfigureInputDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit ConfigureInputDialog(QWidget* parent, std::size_t max_players,
+                                  InputCommon::InputSubsystem* input_subsystem);
+    ~ConfigureInputDialog() override;
+
+    void ApplyConfiguration();
+
+private:
+    void changeEvent(QEvent* event) override;
+    void RetranslateUI();
+
+    std::unique_ptr<Ui::ConfigureInputDialog> ui;
+
+    ConfigureInput* input_widget;
+};

src/yuzu/configuration/configure_input_dialog.ui

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ConfigureInputDialog</class>
+ <widget class="QDialog" name="ConfigureInputDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>70</width>
+    <height>540</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Configure Input</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>2</number>
+   </property>
+   <property name="leftMargin">
+    <number>9</number>
+   </property>
+   <property name="topMargin">
+    <number>9</number>
+   </property>
+   <property name="rightMargin">
+    <number>9</number>
+   </property>
+   <property name="bottomMargin">
+    <number>9</number>
+   </property>
+   <item>
+    <layout class="QHBoxLayout" name="inputLayout"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ConfigureInputDialog</receiver>
+   <slot>accept()</slot>
+  </connection>
+ </connections>
+</ui>

src/yuzu/main.cpp

@@ -11,6 +11,7 @@
 #endif
 
 // VFS includes must be before glad as they will conflict with Windows file api, which uses defines.
+#include "applets/controller.h"
 #include "applets/error.h"
 #include "applets/profile_select.h"
 #include "applets/software_keyboard.h"
@@ -19,7 +20,9 @@
 #include "configuration/configure_per_game.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_real.h"
+#include "core/frontend/applets/controller.h"
 #include "core/frontend/applets/general_frontend.h"
+#include "core/frontend/applets/software_keyboard.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
@@ -84,7 +87,6 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "core/file_sys/romfs.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/file_sys/submission_package.h"
-#include "core/frontend/applets/software_keyboard.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/filesystem/filesystem.h"
@@ -283,6 +285,23 @@ GMainWindow::~GMainWindow() {
         delete render_window;
 }
 
+void GMainWindow::ControllerSelectorReconfigureControllers(
+    const Core::Frontend::ControllerParameters& parameters) {
+    QtControllerSelectorDialog dialog(this, parameters, input_subsystem.get());
+    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
+                          Qt::WindowSystemMenuHint);
+    dialog.setWindowModality(Qt::WindowModal);
+    dialog.exec();
+
+    emit ControllerSelectorReconfigureFinished();
+
+    // Don't forget to apply settings.
+    Settings::Apply();
+    config->Save();
+
+    UpdateStatusButtons();
+}
+
 void GMainWindow::ProfileSelectorSelectProfile() {
     const Service::Account::ProfileManager manager;
     int index = 0;
@@ -291,10 +310,12 @@ void GMainWindow::ProfileSelectorSelectProfile() {
         dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                               Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
         dialog.setWindowModality(Qt::WindowModal);
+
         if (dialog.exec() == QDialog::Rejected) {
             emit ProfileSelectorFinishedSelection(std::nullopt);
             return;
         }
+
         index = dialog.GetIndex();
     }
 
@@ -966,13 +987,14 @@ bool GMainWindow::LoadROM(const QString& filename) {
     system.SetFilesystem(vfs);
 
     system.SetAppletFrontendSet({
-        nullptr,                                     // Parental Controls
+        std::make_unique<QtControllerSelector>(*this), // Controller Selector
-        std::make_unique<QtErrorDisplay>(*this),     //
-        nullptr,                                     // Photo Viewer
-        std::make_unique<QtProfileSelector>(*this),  //
-        std::make_unique<QtSoftwareKeyboard>(*this), //
-        std::make_unique<QtWebBrowser>(*this),       //
         nullptr,                                       // E-Commerce
+        std::make_unique<QtErrorDisplay>(*this),       // Error Display
+        nullptr,                                       // Parental Controls
+        nullptr,                                       // Photo Viewer
+        std::make_unique<QtProfileSelector>(*this),    // Profile Selector
+        std::make_unique<QtSoftwareKeyboard>(*this),   // Software Keyboard
+        std::make_unique<QtWebBrowser>(*this),         // Web Browser
     });
 
     system.RegisterHostThread();
@@ -2047,6 +2069,7 @@ void GMainWindow::OnStartGame() {
 
     emu_thread->SetRunning(true);
 
+    qRegisterMetaType<Core::Frontend::ControllerParameters>("Core::Frontend::ControllerParameters");
     qRegisterMetaType<Core::Frontend::SoftwareKeyboardParameters>(
         "Core::Frontend::SoftwareKeyboardParameters");
     qRegisterMetaType<Core::System::ResultStatus>("Core::System::ResultStatus");

src/yuzu/main.h

@@ -37,6 +37,7 @@ enum class InstalledEntryType;
 class GameListPlaceholder;
 
 namespace Core::Frontend {
+struct ControllerParameters;
 struct SoftwareKeyboardParameters;
 } // namespace Core::Frontend
 
@@ -116,9 +117,12 @@ signals:
 
     void UpdateInstallProgress();
 
+    void ControllerSelectorReconfigureFinished();
+
     void ErrorDisplayFinished();
 
     void ProfileSelectorFinishedSelection(std::optional<Common::UUID> uuid);
+
     void SoftwareKeyboardFinishedText(std::optional<std::u16string> text);
     void SoftwareKeyboardFinishedCheckDialog();
 
@@ -127,6 +131,8 @@ signals:
 
 public slots:
     void OnLoadComplete();
+    void ControllerSelectorReconfigureControllers(
+        const Core::Frontend::ControllerParameters& parameters);
     void ErrorDisplayDisplayError(QString body);
     void ProfileSelectorSelectProfile();
     void SoftwareKeyboardGetText(const Core::Frontend::SoftwareKeyboardParameters& parameters);