1 files changed, 48 insertions, 15 deletions
diff --git a/src/quickcontrols/material/TextArea.qml b/src/quickcontrols/material/TextArea.qml
index 242cbf691b..99efa222cf 100644
--- a/src/quickcontrols/material/TextArea.qml
+++ b/src/quickcontrols/material/TextArea.qml
@@ -14,37 +14,70 @@ T.TextArea {
                             implicitBackgroundWidth + leftInset + rightInset,
                             placeholder.implicitWidth + leftPadding + rightPadding)
     implicitHeight: Math.max(contentHeight + topPadding + bottomPadding,
-                             implicitBackgroundHeight + topInset + bottomInset,
-                             placeholder.implicitHeight + 1 + topPadding + bottomPadding)
+                             implicitBackgroundHeight + topInset + bottomInset)
 
-    topPadding: 8
-    bottomPadding: 16
+    // If we're clipped, or we're in a Flickable that's clipped, set our topInset
+    // to half the height of the placeholder text to avoid it being clipped.
+    topInset: clip || (parent?.parent as Flickable && parent?.parent.clip) ? placeholder.largestHeight / 2 : 0
+
+    leftPadding: Material.textFieldHorizontalPadding
+    rightPadding: Material.textFieldHorizontalPadding
+    // Need to account for the placeholder text when it's sitting on top.
+    topPadding: Material.containerStyle === Material.Filled && placeholderText.length > 0 && (activeFocus || length > 0)
+        ? Material.textFieldVerticalPadding + placeholder.largestHeight
+        // When the condition above is not met, the text should always sit in the middle
+        // of a default-height TextArea, which is just near the top for a higher-than-default one.
+        // Account for any topInset as well, otherwise the text will be too close to the background.
+        : ((implicitBackgroundHeight - placeholder.largestHeight) / 2) + topInset
+    bottomPadding: Material.textFieldVerticalPadding
 
     color: enabled ? Material.foreground : Material.hintTextColor
     selectionColor: Material.accentColor
     selectedTextColor: Material.primaryHighlightedTextColor
-    placeholderTextColor: Material.hintTextColor
+    placeholderTextColor: enabled && activeFocus ? Material.accentColor : Material.hintTextColor
+
+    Material.containerStyle: Material.Outlined
+
     cursorDelegate: CursorDelegate { }
 
-    PlaceholderText {
+    FloatingPlaceholderText {
         id: placeholder
-        x: control.leftPadding
-        y: control.topPadding
+        // Don't set this to control.leftPadding, because we don't want it to change if the user changes leftPadding.
+        x: control.Material.textFieldHorizontalPadding
         width: control.width - (control.leftPadding + control.rightPadding)
-        height: control.height - (control.topPadding + control.bottomPadding)
         text: control.placeholderText
         font: control.font
         color: control.placeholderTextColor
-        verticalAlignment: control.verticalAlignment
         elide: Text.ElideRight
         renderType: control.renderType
-        visible: !control.length && !control.preeditText && (!control.activeFocus || control.horizontalAlignment !== Qt.AlignHCenter)
+        // When the TextArea is in a Flickable, the background is reparented to it
+        // so that decorations don't move with the content. We need to do the same.
+        // Also allow the background to be set to null; in that case we're just not visible.
+        parent: control.background?.parent ?? null
+
+        filled: control.Material.containerStyle === Material.Filled
+        verticalPadding: control.Material.textFieldVerticalPadding
+        controlHasActiveFocus: control.activeFocus
+        controlHasText: control.length > 0
+        controlImplicitBackgroundHeight: control.implicitBackgroundHeight
+        controlHeight: control.height
     }
 
-    background: Rectangle {
-        y: parent.height - height - control.bottomPadding / 2
+    background: MaterialTextContainer {
         implicitWidth: 120
-        height: control.activeFocus ? 2 : 1
-        color: control.activeFocus ? control.Material.accentColor : control.Material.hintTextColor
+        implicitHeight: control.Material.textFieldHeight
+
+        filled: control.Material.containerStyle === Material.Filled
+        fillColor: control.Material.textFieldFilledContainerColor
+        outlineColor: (enabled && control.hovered) ? control.Material.primaryTextColor : control.Material.hintTextColor
+        focusedOutlineColor: control.Material.accentColor
+        // When the control's size is set larger than its implicit size, use whatever size is smaller
+        // so that the gap isn't too big.
+        placeholderTextWidth: Math.min(placeholder.width, placeholder.implicitWidth) * placeholder.scale
+        placeholderTextHAlign: control.effectiveHorizontalAlignment
+        controlHasActiveFocus: control.activeFocus
+        controlHasText: control.length > 0
+        placeholderHasText: placeholder.text.length > 0
+        horizontalPadding: control.Material.textFieldHorizontalPadding
     }
 }