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From: Shan Shaji <s.shaji@proxmox.com>
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Date: Mon,  5 May 2025 16:33:31 +0200
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Subject: [pve-devel] [PATCH pve_flutter_frontend] ui: replace deprecated
 `onBackground` property
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As of flutter v3.22, the `onBackground` property is deprecated. The
material guidelines suggest using the `onSurface` property instead.

https://m3.material.io/styles/color/roles#8562cf18-5cc0-44ae-b783-2e38bdb39585

For dark theme, the `onSurface` color and `onBackground` color is
different so it's not possible to directly replace the `onBackground`
with the `onSurface` property. This patch adds a new `onSurfaceVariant`
property to the theme and replaces all instances of `onBackground`
with `onSurfaceVariant`.

Signed-off-by: Shan Shaji <s.shaji@proxmox.com>
---
 lib/main.dart                                      |  4 ++--
 lib/widgets/proxmox_capacity_indicator.dart        |  8 +++++---
 lib/widgets/pve_file_selector_widget.dart          | 14 +++++++++-----
 lib/widgets/pve_lxc_overview.dart                  |  2 +-
 lib/widgets/pve_qemu_overview.dart                 |  5 +++--
 lib/widgets/pve_task_log_expansiontile_widget.dart |  2 +-
 6 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/lib/main.dart b/lib/main.dart
index a985e3a..ac5a992 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -108,8 +108,8 @@ class MyApp extends StatelessWidget {
             secondaryContainer: ProxmoxColors.supportLightOrange,
             surface: ProxmoxColors.supportGreyTint50,
             onSurface: Colors.black,
+            onSurfaceVariant: Colors.black,
             background: ProxmoxColors.supportGreyTint75,
-            onBackground: Colors.black,
           ),
           indicatorColor: ProxmoxColors.orange,
           textButtonTheme: TextButtonThemeData(
@@ -147,8 +147,8 @@ class MyApp extends StatelessWidget {
             onSurface: Colors.white,
             secondary: ProxmoxColors.orange,
             secondaryContainer: ProxmoxColors.supportLightOrange,
+            onSurfaceVariant: ProxmoxColors.supportGreyTint75,
             background: ProxmoxColors.grey,
-            onBackground: ProxmoxColors.supportGreyTint75,
           ),
           indicatorColor: ProxmoxColors.orange,
           // flutter has a weird logic where it pulls colors from different
diff --git a/lib/widgets/proxmox_capacity_indicator.dart b/lib/widgets/proxmox_capacity_indicator.dart
index 8e87ab0..3ab3bb0 100644
--- a/lib/widgets/proxmox_capacity_indicator.dart
+++ b/lib/widgets/proxmox_capacity_indicator.dart
@@ -44,7 +44,7 @@ class ProxmoxCapacityIndicator extends StatelessWidget {
                                 ? Theme.of(context).colorScheme.onPrimary
                                 : Theme.of(context)
                                     .colorScheme
-                                    .onBackground
+                                    .onSurfaceVariant
                                     .withOpacity(0.75))),
                   ),
                   Text(usedValue,
@@ -54,7 +54,7 @@ class ProxmoxCapacityIndicator extends StatelessWidget {
                                       ? Theme.of(context).colorScheme.onPrimary
                                       : Theme.of(context)
                                           .colorScheme
-                                          .onBackground)
+                                          .onSurfaceVariant)
                                   .withOpacity(0.66),
                           fontWeight: FontWeight.bold)),
                 ],
@@ -64,7 +64,9 @@ class ProxmoxCapacityIndicator extends StatelessWidget {
                       color: textColor ??
                           (selected
                                   ? Theme.of(context).colorScheme.onPrimary
-                                  : Theme.of(context).colorScheme.onBackground)
+                                  : Theme.of(context)
+                                      .colorScheme
+                                      .onSurfaceVariant)
                               .withOpacity(0.66),
                       fontWeight: FontWeight.bold))
             ],
diff --git a/lib/widgets/pve_file_selector_widget.dart b/lib/widgets/pve_file_selector_widget.dart
index 87a547f..f1e8963 100644
--- a/lib/widgets/pve_file_selector_widget.dart
+++ b/lib/widgets/pve_file_selector_widget.dart
@@ -150,7 +150,7 @@ class PveFileSelectorWidget extends StatelessWidget {
                                   IconButton(
                                     color: Theme.of(context)
                                         .colorScheme
-                                        .onBackground,
+                                        .onSurfaceVariant,
                                     icon: const Icon(Icons.search),
                                     onPressed: () =>
                                         fBloc!.events.add(ToggleSearch()),
@@ -158,7 +158,7 @@ class PveFileSelectorWidget extends StatelessWidget {
                                   IconButton(
                                     color: Theme.of(context)
                                         .colorScheme
-                                        .onBackground,
+                                        .onSurfaceVariant,
                                     icon: Icon(
                                       state.gridView
                                           ? Icons.view_list
@@ -270,7 +270,9 @@ class PveStorageCard extends StatelessWidget {
                         style: TextStyle(
                             color: isSelected
                                 ? Theme.of(context).colorScheme.onPrimary
-                                : Theme.of(context).colorScheme.onBackground,
+                                : Theme.of(context)
+                                    .colorScheme
+                                    .onSurfaceVariant,
                             fontWeight: FontWeight.bold),
                       ),
                       Text(
@@ -278,7 +280,9 @@ class PveStorageCard extends StatelessWidget {
                         style: TextStyle(
                           color: (isSelected
                                   ? Theme.of(context).colorScheme.onPrimary
-                                  : Theme.of(context).colorScheme.onBackground)
+                                  : Theme.of(context)
+                                      .colorScheme
+                                      .onSurfaceVariant)
                               .withOpacity(0.75),
                           fontWeight: FontWeight.bold,
                         ),
@@ -307,7 +311,7 @@ class PveStorageCard extends StatelessWidget {
                               style: TextStyle(
                                 color: Theme.of(context)
                                     .colorScheme
-                                    .onBackground
+                                    .onSurfaceVariant
                                     .withOpacity(0.75),
                                 fontWeight: FontWeight.bold,
                               ),
diff --git a/lib/widgets/pve_lxc_overview.dart b/lib/widgets/pve_lxc_overview.dart
index 3c6808d..7f9217b 100644
--- a/lib/widgets/pve_lxc_overview.dart
+++ b/lib/widgets/pve_lxc_overview.dart
@@ -91,7 +91,7 @@ class PveLxcOverview extends StatelessWidget {
                                   style: TextStyle(
                                     color: Theme.of(context)
                                         .colorScheme
-                                        .onBackground,
+                                        .onSurfaceVariant,
                                   ),
                                 ),
                               ),
diff --git a/lib/widgets/pve_qemu_overview.dart b/lib/widgets/pve_qemu_overview.dart
index ac16d26..f870911 100644
--- a/lib/widgets/pve_qemu_overview.dart
+++ b/lib/widgets/pve_qemu_overview.dart
@@ -109,8 +109,9 @@ class PveQemuOverview extends StatelessWidget {
                         builder: (context, taskState) {
                           if (taskState.tasks.isNotEmpty) {
                             return PveTaskExpansionTile(
-                              headerColor:
-                                  Theme.of(context).colorScheme.onBackground,
+                              headerColor: Theme.of(context)
+                                  .colorScheme
+                                  .onSurfaceVariant,
                               task: taskState.tasks.first,
                               showMorePage: Provider<PveTaskLogBloc>(
                                 create: (context) => PveTaskLogBloc(
diff --git a/lib/widgets/pve_task_log_expansiontile_widget.dart b/lib/widgets/pve_task_log_expansiontile_widget.dart
index 6491b6b..3ac8c08 100644
--- a/lib/widgets/pve_task_log_expansiontile_widget.dart
+++ b/lib/widgets/pve_task_log_expansiontile_widget.dart
@@ -53,7 +53,7 @@ class _PveTaskExpansionTileState extends State<PveTaskExpansionTile> {
     final warningColor = Colors.orange.shade200;
     final headerColor = isExpanded
         ? (widget.headerColorExpanded ?? colorScheme.onSurface)
-        : (widget.headerColor ?? colorScheme.onBackground);
+        : (widget.headerColor ?? colorScheme.onSurfaceVariant);
 
     final taskText = widget.showMorePage != null ? 'Last Task' : 'Task';
 
-- 
2.39.5



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