Limit no of hotkeys displayed for mod+num launching

Author: gdziedzic

Flow.Launcher/Converters/OpenResultHotkeyVisibilityConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+
+namespace Flow.Launcher.Converters
+{
+    [ValueConversion(typeof(bool), typeof(Visibility))]
+    public class OpenResultHotkeyVisibilityConverter : IValueConverter
+    {
+        private const int MaxVisibleHotkeys = 9;
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var hotkeyNumber = int.MaxValue;
+             
+            if (value is ListBoxItem listBoxItem)
+            {
+                ListBox listBox = ItemsControl.ItemsControlFromItemContainer(listBoxItem) as ListBox;
+                hotkeyNumber = listBox.ItemContainerGenerator.IndexFromContainer(listBoxItem) + 1;
+            }
+
+            return hotkeyNumber <= MaxVisibleHotkeys ? Visibility.Visible : Visibility.Collapsed;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new System.InvalidOperationException();
+    }
+}

Flow.Launcher/ResultListBox.xaml

@@ -34,6 +34,7 @@
                         <Grid.Resources>
                             <converter:HighlightTextConverter x:Key="HighlightTextConverter"/>
                             <converter:OrdinalConverter x:Key="OrdinalConverter" />
+                            <converter:OpenResultHotkeyVisibilityConverter x:Key="OpenResultHotkeyVisibilityConverter" />
                         </Grid.Resources>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="32" />
@@ -47,14 +48,19 @@
                                 <RowDefinition />
                                 <RowDefinition Height="Auto" x:Name="SubTitleRowDefinition" />
                             </Grid.RowDefinitions>
-                            <TextBlock Margin="0 5 5 0" Visibility="{Binding ShowOpenResultHotkey}" Style="{DynamicResource ItemSubTitleStyle}" HorizontalAlignment="Right" Opacity="0.8" >
-                                <TextBlock.Text>
-                                    <MultiBinding StringFormat="{}{0}+{1}">
-                                        <Binding Path="OpenResultModifiers" />
-                                        <Binding RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" Converter="{StaticResource ResourceKey=OrdinalConverter}"/>
-                                    </MultiBinding>
-                                </TextBlock.Text>
-                            </TextBlock>
+                            <StackPanel Visibility="{Binding ShowOpenResultHotkey}">
+                                <TextBlock Margin="0 5 5 0" Style="{DynamicResource ItemSubTitleStyle}" HorizontalAlignment="Right" Opacity="0.8" >
+                                    <TextBlock.Visibility>
+                                        <Binding RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" Converter="{StaticResource ResourceKey=OpenResultHotkeyVisibilityConverter}" />
+                                    </TextBlock.Visibility>
+                                    <TextBlock.Text>
+                                        <MultiBinding StringFormat="{}{0}+{1}">
+                                            <Binding Path="OpenResultModifiers" />
+                                            <Binding RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" Converter="{StaticResource ResourceKey=OrdinalConverter}" />
+                                        </MultiBinding>
+                                    </TextBlock.Text>
+                                </TextBlock>
+                            </StackPanel>
                             <TextBlock Style="{DynamicResource ItemTitleStyle}" DockPanel.Dock="Left"
                                        VerticalAlignment="Center" ToolTip="{Binding Result.Title}" x:Name="Title"
                                        Text="{Binding Result.Title}">