launcher: prevent overlap with dashboard

Fixes #612

modules/dashboard/Content.qml

@@ -15,9 +15,10 @@ Item {
     required property PersistentProperties state
     required property FileDialog facePicker
     readonly property real nonAnimWidth: view.implicitWidth + viewWrapper.anchors.margins * 2
+    readonly property real nonAnimHeight: tabs.implicitHeight + tabs.anchors.topMargin + view.implicitHeight + viewWrapper.anchors.margins * 2
 
     implicitWidth: nonAnimWidth
-    implicitHeight: tabs.implicitHeight + tabs.anchors.topMargin + view.implicitHeight + viewWrapper.anchors.margins * 2
+    implicitHeight: nonAnimHeight
 
     Tabs {
         id: tabs

modules/dashboard/Wrapper.qml

@@ -31,6 +31,8 @@ Item {
         }
     }
 
+    readonly property real nonAnimHeight: state === "visible" ? (content.item?.nonAnimHeight ?? 0) : 0
+
     visible: height > 0
     implicitHeight: 0
     implicitWidth: content.implicitWidth

modules/drawers/Panels.qml

@@ -62,6 +62,7 @@ Item {
     Launcher.Wrapper {
         id: launcher
 
+        screen: root.screen
         visibilities: root.visibilities
         panels: root
 

modules/launcher/Content.qml

@@ -13,6 +13,7 @@ Item {
 
     required property PersistentProperties visibilities
     required property var panels
+    required property real maxHeight
 
     readonly property int padding: Appearance.padding.large
     readonly property int rounding: Appearance.rounding.large
@@ -36,6 +37,7 @@ Item {
             content: root
             visibilities: root.visibilities
             panels: root.panels
+            maxHeight: root.maxHeight - searchWrapper.implicitHeight - root.padding * 3
             search: search
             padding: root.padding
             rounding: root.rounding

modules/launcher/ContentList.qml

@@ -14,6 +14,7 @@ Item {
     required property var content
     required property PersistentProperties visibilities
     required property var panels
+    required property real maxHeight
     required property StyledTextField search
     required property int padding
     required property int rounding
@@ -33,7 +34,7 @@ Item {
 
             PropertyChanges {
                 root.implicitWidth: Config.launcher.sizes.itemWidth
-                root.implicitHeight: appList.implicitHeight > 0 ? appList.implicitHeight : empty.implicitHeight
+                root.implicitHeight: Math.min(root.maxHeight, appList.implicitHeight > 0 ? appList.implicitHeight : empty.implicitHeight)
                 appList.active: true
             }
 
@@ -78,8 +79,7 @@ Item {
 
         active: false
 
-        anchors.left: parent.left
-        anchors.right: parent.right
+        anchors.fill: parent
 
         sourceComponent: AppList {
             search: root.search

modules/launcher/Wrapper.qml

@@ -8,12 +8,22 @@ import QtQuick
 Item {
     id: root
 
+    required property ShellScreen screen
     required property PersistentProperties visibilities
     required property var panels
 
     readonly property bool shouldBeActive: visibilities.launcher && Config.launcher.enabled
     property int contentHeight
 
+    readonly property real maxHeight: {
+        let max = screen.height - Config.border.thickness * 2 - Appearance.spacing.large;
+        if (visibilities.dashboard)
+            max -= panels.dashboard.nonAnimHeight;
+        return max;
+    }
+
+    onMaxHeightChanged: timer.start()
+
     visible: height > 0
     implicitHeight: 0
     implicitWidth: content.implicitWidth
@@ -84,7 +94,7 @@ Item {
 
         interval: Appearance.anim.durations.extraLarge
         onRunningChanged: {
-            if (running) {
+            if (running && !root.shouldBeActive) {
                 content.visible = false;
                 content.active = true;
             } else {
@@ -108,6 +118,9 @@ Item {
         sourceComponent: Content {
             visibilities: root.visibilities
             panels: root.panels
+            maxHeight: root.maxHeight
+
+            Component.onCompleted: root.contentHeight = implicitHeight
         }
     }
 }