Hidden events: Incorporate suggestions from review

- Set TitleHint flag on dialog
- Store hidden events as QSet<QString> instead of std::vector<bool>
- Change wording in dialog (disable events instead of turning the hiding
  on)

resources/qml/dialogs/HiddenEventsDialog.qml

@@ -15,7 +15,7 @@ ApplicationWindow {
     property var onAccepted: undefined
 
     modality: Qt.NonModal
-    flags: Qt.Dialog
+    flags: Qt.Dialog | Qt.WindowTitleHint
     minimumWidth: 250
     minimumHeight: 220
     Component.onCompleted: Nheko.reparent(hiddenEventsDialog)
@@ -57,7 +57,7 @@ ApplicationWindow {
 
             ToggleButton {
                 id: toggleRoomMember
-                checked: roomSettings.eventHidden(0)
+                checked: !roomSettings.eventHidden("m.room.member")
                 Layout.alignment: Qt.AlignRight
             }
 
@@ -74,7 +74,7 @@ ApplicationWindow {
 
             ToggleButton {
                 id: toggleRoomPowerLevels
-                checked: roomSettings.eventHidden(1)
+                checked: !roomSettings.eventHidden("m.room.power_levels")
                 Layout.alignment: Qt.AlignRight
             }
 
@@ -86,7 +86,7 @@ ApplicationWindow {
             ToggleButton {
                 id: toggleSticker
                 Layout.alignment: Qt.AlignRight
-                checked: roomSettings.eventHidden(2)
+                checked: !roomSettings.eventHidden("m.sticker")
             }
         }
     }
@@ -96,7 +96,17 @@ ApplicationWindow {
 
         standardButtons: DialogButtonBox.Ok | DialogButtonBox.Cancel
         onAccepted: {
-            roomSettings.saveHiddenEventsSettings(toggleRoomMember.checked, toggleRoomPowerLevels.checked, toggleSticker.checked);
+            let events = new Array;
+            if (!toggleRoomMember.checked) {
+                events.push("m.room.member");
+            }
+            if (!toggleRoomPowerLevels.checked) {
+                events.push("m.room.power_levels");
+            }
+            if (!toggleSticker.checked) {
+                events.push("m.sticker");
+            }
+            roomSettings.saveHiddenEventsSettings(events);
 
             hiddenEventsDialog.close();
         }

resources/qml/dialogs/RoomSettings.qml

@@ -260,12 +260,12 @@ ApplicationWindow {
 
             HiddenEventsDialog {
                 id: hiddenEventsDialog
-                prompt: qsTr("Select the events you want to hide from %1").arg(roomSettings.roomName)
+                prompt: qsTr("These events will be be <b>shown</b> in %1:").arg(roomSettings.roomName)
             }
 
             Button {
                 text: qsTr("Configure")
-                ToolTip.text: qsTr("Change which events are hidden in this room")
+                ToolTip.text: qsTr("Select events to hide in this room")
                 onClicked: hiddenEventsDialog.show()
                 Layout.alignment: Qt.AlignRight
             }