refactor: UI for opening content from chat (#318)

* refactor: Changed options to opening images from chat
* refactor: Add customizable tooltip

UIControls/qml/QoAToolTip.qml

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2026 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick
+import QtQuick.Controls
+
+ToolTip {
+    id: root
+
+    padding: 8
+
+    contentItem: Text {
+        text: root.text
+        font: root.font
+        color: palette.toolTipText
+        wrapMode: Text.Wrap
+    }
+
+    background: Item {
+        implicitWidth: bg.implicitWidth
+        implicitHeight: bg.implicitHeight
+
+        Rectangle {
+            anchors.fill: bg
+            anchors.margins: -2
+            color: Qt.rgba(palette.shadow.r, palette.shadow.g, palette.shadow.b, 0.12)
+            radius: 8
+            z: -2
+        }
+
+        Rectangle {
+            anchors.fill: bg
+            anchors.margins: -1
+            color: Qt.rgba(palette.shadow.r, palette.shadow.g, palette.shadow.b, 0.08)
+            radius: 7
+            z: -1
+        }
+
+        Rectangle {
+            id: bg
+            anchors.fill: parent
+            color: palette.toolTipBase
+            border.color: Qt.darker(palette.toolTipBase, 1.2)
+            border.width: 1
+            radius: 6
+        }
+    }
+
+    enter: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 0.0
+            to: 1.0
+            duration: 150
+            easing.type: Easing.OutQuad
+        }
+    }
+
+    exit: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 1.0
+            to: 0.0
+            duration: 100
+            easing.type: Easing.InQuad
+        }
+    }
+}