first-parent-filter

need help in two issues:
1. use better icon - I just reused the Filter icon
2. lines of merge commits are still rendered - need to skip them since they don't link to any commit when filter enabled. I didn't manage to solve by my own right now

src/Models/RepositorySettings.cs

@@ -70,6 +70,12 @@ namespace SourceGit.Models
             set;
         } = false;
 
+        public bool FirstParentFilterEnabled
+        {
+            get;
+            set;
+        } = false;
+
         public AvaloniaList<string> Filters
         {
             get;

src/Resources/Icons.axaml

@@ -38,6 +38,7 @@
   <StreamGeometry x:Key="Icons.File.Ignore">M416 832H128V128h384v192C512 355 541 384 576 384L768 384v32c0 19 13 32 32 32S832 435 832 416v-64c0-6 0-19-6-25l-256-256c-6-6-19-6-25-6H128A64 64 0 0064 128v704C64 867 93 896 129 896h288c19 0 32-13 32-32S435 832 416 832zM576 172 722 320H576V172zM736 512C614 512 512 614 512 736S614 960 736 960s224-102 224-224S858 512 736 512zM576 736C576 646 646 576 736 576c32 0 58 6 83 26l-218 218c-19-26-26-51-26-83zm160 160c-32 0-64-13-96-32l224-224c19 26 32 58 32 96 0 90-70 160-160 160z</StreamGeometry>
   <StreamGeometry x:Key="Icons.File.Remove">M896 320c0-19-6-32-19-45l-192-192c-13-13-26-19-45-19H192c-38 0-64 26-64 64v768c0 38 26 64 64 64h640c38 0 64-26 64-64V320zm-256 384H384c-19 0-32-13-32-32s13-32 32-32h256c19 0 32 13 32 32s-13 32-32 32zm166-384H640V128l192 192h-26z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Filter">M599 425 599 657 425 832 425 425 192 192 832 192Z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.FirstParentFilter">M599 425 599 657 425 832 425 425 192 192 832 192Z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Folder">M853 267H514c-4 0-6-2-9-4l-38-66c-13-21-38-36-64-36H171c-41 0-75 34-75 75v555c0 41 34 75 75 75h683c41 0 75-34 75-75V341c0-41-34-75-75-75zm-683-43h233c4 0 6 2 9 4l38 66c13 21 38 36 64 36H853c6 0 11 4 11 11v75h-704V235c0-6 4-11 11-11zm683 576H171c-6 0-11-4-11-11V480h704V789c0 6-4 11-11 11z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Folder.Add">M1088 227H609L453 78a11 11 0 00-7-3H107a43 43 0 00-43 43v789a43 43 0 0043 43h981a43 43 0 0043-43V270a43 43 0 00-43-43zM757 599c0 5-5 9-10 9h-113v113c0 5-4 9-9 9h-56c-5 0-9-4-9-9V608h-113c-5 0-10-4-10-9V543c0-5 5-9 10-9h113V420c0-5 4-9 9-9h56c5 0 9 4 9 9V533h113c5 0 10 4 10 9v56z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Folder.Open">M922 450c-6-9-15-13-26-13h-11V341c0-41-34-75-75-75H514c-4 0-6-2-9-4l-38-66c-13-21-38-36-64-36H171c-41 0-75 34-75 75v597c0 6 2 13 6 19 6 9 15 13 26 13h640c13 0 26-9 30-21l128-363c4-11 2-21-4-30zM171 224h233c4 0 6 2 9 4l38 66c13 21 38 36 64 36H811c6 0 11 4 11 11v96H256c-13 0-26 9-30 21l-66 186V235c0-6 4-11 11-11zm574 576H173l105-299h572l-105 299z</StreamGeometry>

src/Resources/Locales/de_DE.axaml

@@ -480,6 +480,7 @@
   <x:String x:Key="Text.Repository.FilterCommitPrefix" xml:space="preserve">GEFILTERT:</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">LOKALE BRANCHES</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">Zum HEAD wechseln</x:String>
+  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">Erster-Eltern-Filter</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">Erstelle Branch</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">Öffne in {0}</x:String>
   <x:String x:Key="Text.Repository.OpenWithExternalTools" xml:space="preserve">Öffne in externen Tools</x:String>

src/Resources/Locales/en_US.axaml

@@ -478,6 +478,7 @@
   <x:String x:Key="Text.Repository.FilterCommitPrefix" xml:space="preserve">FILTERED BY:</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">LOCAL BRANCHES</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">Navigate To HEAD</x:String>
+  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">First Parent Filter</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">Create Branch</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">Open In {0}</x:String>
   <x:String x:Key="Text.Repository.OpenWithExternalTools" xml:space="preserve">Open In External Tools</x:String>

src/Resources/Locales/pt_BR.axaml

@@ -480,6 +480,7 @@
   <x:String x:Key="Text.Repository.FilterCommitPrefix" xml:space="preserve">FILTRADO POR:</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">BRANCHES LOCAIS</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">Navegar para HEAD</x:String>
+  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">Filtro do Primeiro Pai</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">Criar Branch</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">Abrir em {0}</x:String>
   <x:String x:Key="Text.Repository.OpenWithExternalTools" xml:space="preserve">Abrir em Ferramentas Externas</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -480,6 +480,7 @@
   <x:String x:Key="Text.Repository.FilterCommitPrefix" xml:space="preserve">过滤规则 ：</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">本地分支</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">定位HEAD</x:String>
+  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">首个父节点过滤器</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">新建分支</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">在 {0} 中打开</x:String>
   <x:String x:Key="Text.Repository.OpenWithExternalTools" xml:space="preserve">使用外部工具打开</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -480,6 +480,7 @@
   <x:String x:Key="Text.Repository.FilterCommitPrefix" xml:space="preserve">過濾規則 ：</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">本地分支</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">定位HEAD</x:String>
+  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">首個父節點過濾器</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">新建分支</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">在 {0} 中開啟</x:String>
   <x:String x:Key="Text.Repository.OpenWithExternalTools" xml:space="preserve">使用外部工具開啟</x:String>

src/ViewModels/Repository.cs

@@ -284,6 +284,19 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _isWorktreeGroupExpanded, value);
         }
 
+        public bool FirstParentFilterToggled
+        {
+            get => _firstParentFilterToggled;
+            set
+            {
+                if (SetProperty(ref _firstParentFilterToggled, value))
+                {
+                    _settings.FirstParentFilterEnabled = value;
+                    Task.Run(RefreshCommits);
+                }
+            }
+        }
+
         public InProgressContext InProgressContext
         {
             get => _inProgressContext;
@@ -752,6 +765,10 @@ namespace SourceGit.ViewModels
                     });
                 }
             }
+            else if (_settings.FirstParentFilterEnabled)
+            {
+                limits += "--first-parent ";
+            }
             else
             {
                 limits += "--exclude=refs/stash --all ";
@@ -1957,6 +1974,7 @@ namespace SourceGit.ViewModels
         private bool _isSearchLoadingVisible = false;
         private bool _isSearchCommitSuggestionOpen = false;
         private int _searchCommitFilterType = 0;
+        private bool _firstParentFilterToggled = false;
         private string _searchCommitFilter = string.Empty;
         private List<Models.Commit> _searchedCommits = new List<Models.Commit>();
         private List<string> _revisionFiles = new List<string>();

src/Views/RepositoryToolbar.axaml

@@ -125,6 +125,10 @@
         <Button Classes="icon_button" Width="32" Command="{Binding NavigateToCurrentHead}" ToolTip.Tip="{DynamicResource Text.Repository.NavigateToCurrentHead}">
           <Path Width="13" Height="13" Margin="0,2,0,0" Data="{StaticResource Icons.Target}" Fill="{DynamicResource Brush.FG1}"/>
         </Button>
+
+        <ToggleButton Classes="icon_button" Width="32" IsChecked="{Binding FirstParentFilterToggled, Mode=TwoWay}" ToolTip.Tip="{DynamicResource Text.Repository.FirstParentFilterToggle}">
+          <Path Width="13" Height="13" Margin="0,2,0,0" Data="{StaticResource Icons.FirstParentFilter}" Fill="{DynamicResource Brush.FG1}"/>
+        </ToggleButton>
       </StackPanel>
     </Grid>
 </UserControl>