Implement searching in rooms

BUG: 457839

src/qml/Component/Timeline/TimelineContainer.qml

@@ -20,7 +20,7 @@ ColumnLayout {
 
     default property alias innerObject : column.children
 
-    property Item hoverComponent: hoverActions
+    property Item hoverComponent: hoverActions ?? null
     property bool isEmote: false
     property bool cardBackground: true
     property bool showUserMessageOnRight: Config.showLocalMessagesOnRight && model.author.isLocalUser && !Config.compactLayout
@@ -106,6 +106,9 @@ ColumnLayout {
 
         // Show hover actions by updating the global hover component to this delegate
         function updateHoverComponent() {
+            if (!hoverComponent) {
+                return;
+            }
             if (hovered && !Kirigami.Settings.isMobile) {
                 hoverComponent.delegate = root
                 hoverComponent.bubble = bubble
@@ -229,10 +232,10 @@ ColumnLayout {
                     QQC2.Label {
                         id: timeLabel
 
-                        text: visible ? time.toLocaleTimeString(Qt.locale(), Locale.ShortFormat) : ""
+                        text: visible ? model.time.toLocaleTimeString(Qt.locale(), Locale.ShortFormat) : ""
                         color: Kirigami.Theme.disabledTextColor
                         QQC2.ToolTip.visible: hoverHandler.hovered
-                        QQC2.ToolTip.text: time.toLocaleString(Qt.locale(), Locale.LongFormat)
+                        QQC2.ToolTip.text: model.time.toLocaleString(Qt.locale(), Locale.LongFormat)
                         QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
 
                         HoverHandler {
@@ -268,6 +271,7 @@ ColumnLayout {
                     id: bubbleBackground
                     visible: cardBackground && !Config.compactLayout
                     anchors.fill: parent
+                    Kirigami.Theme.colorSet: Kirigami.Theme.View
                     color: {
                         if (model.author.isLocalUser) {
                             return Kirigami.ColorUtils.tintWithAlpha(Kirigami.Theme.backgroundColor, Kirigami.Theme.highlightColor, 0.15)

src/qml/Page/SearchPage.qml

@@ -0,0 +1,75 @@
+// SPDX-FileCopyrightText: 2022 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15 as QQC2
+import QtQuick.Layouts 1.15
+
+import org.kde.kirigami 2.20 as Kirigami
+
+import org.kde.neochat 1.0
+
+Kirigami.ScrollablePage {
+    id: searchPage
+
+    property var currentRoom
+
+    title: i18nc("@action:title", "Search Messages")
+
+    Kirigami.Theme.colorSet: Kirigami.Theme.Window
+
+    SearchModel {
+        id: searchModel
+        connection: Controller.activeConnection
+        searchText: searchField.text
+        room: searchPage.currentRoom
+    }
+
+    header: RowLayout {
+        Kirigami.SearchField {
+            id: searchField
+            Layout.topMargin: Kirigami.Units.smallSpacing
+            Layout.leftMargin: Kirigami.Units.smallSpacing
+            Layout.fillWidth: true
+            Keys.onEnterPressed: searchButton.clicked()
+            Keys.onReturnPressed: searchButton.clicked()
+        }
+        QQC2.Button {
+            id: searchButton
+            Layout.topMargin: Kirigami.Units.smallSpacing
+            Layout.rightMargin: Kirigami.Units.smallSpacing
+            onClicked: searchModel.search()
+            icon.name: "search"
+        }
+    }
+
+    ListView {
+        id: messageListView
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        spacing: 0
+        verticalLayoutDirection: ListView.BottomToTop
+
+        section.property: "section"
+
+        Kirigami.PlaceholderMessage {
+            anchors.centerIn: parent
+            visible: searchField.text.length === 0 && messageListView.count === 0
+            text: i18n("Enter a text to start searching")
+        }
+
+        Kirigami.PlaceholderMessage {
+            anchors.centerIn: parent
+            visible: searchField.text.length > 0 && messageListView.count === 0 && !searchModel.searching
+            text: i18n("No results found")
+        }
+
+        Kirigami.LoadingPlaceholder {
+            anchors.centerIn: parent
+            visible: searchModel.searching
+        }
+
+        model: searchModel
+        delegate: EventDelegate {}
+    }
+}

src/qml/Panel/RoomDrawer.qml

@@ -111,6 +111,23 @@ Kirigami.OverlayDrawer {
                             text: devtoolsButton.text
                         }
                     }
+                    QQC2.ToolButton {
+                        id: searchButton
+
+                        Layout.alignment: Qt.AlignRight
+                        icon.name: "search"
+                        text: i18n("Search in this room")
+                        display: QQC2.AbstractButton.IconOnly
+                        visible: Controller.quotientMinorVersion > 6
+
+                        onClicked: {
+                            pageStack.pushDialogLayer("qrc:/SearchPage.qml", {
+                                currentRoom: room
+                            }, {
+                                title: i18nc("@action:title", "Search")
+                            })
+                        }
+                    }
                     QQC2.ToolButton {
                         id: inviteButton