ShortcutsHelper/MainWindow.xaml

<Window x:Class="ShortcutsHelper.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:ShortcutsHelper"
        xmlns:vm="clr-namespace:ShortcutsHelper.ViewModels"
        mc:Ignorable="d"
        Title="Shortcuts Helper" Height="400" Width="600" Topmost="True"
        ResizeMode="CanResize" WindowStyle="ToolWindow">
    <Window.Resources>
        <!-- Converter para el ícono de Pin -->
        <local:BoolToPinConverter x:Key="BoolToPinConverter"/>
        <!-- Converter para visibilidad basada en boolean -->
        <local:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter"/>
    </Window.Resources>
    <Window.DataContext>
        <vm:MainViewModel/>
    </Window.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        
        <!-- Header con aplicación actual y botón de Pin -->
        <Border Grid.Row="0" Background="DarkBlue" Padding="8">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                
                <!-- Botón de Pin -->
                <Button Grid.Column="0" 
                        x:Name="PinButton"
                        Background="Transparent" 
                        BorderThickness="0" 
                        Foreground="White"
                        FontSize="16"
                        Margin="0,0,10,0"
                        ToolTip="Pin/Unpin aplicación actual"
                        Click="PinButton_Click">
                    <Button.Content>
                        <TextBlock Text="{Binding IsPinnedMode, Converter={StaticResource BoolToPinConverter}}" />
                    </Button.Content>
                    <Button.Style>
                        <Style TargetType="Button">
                            <Setter Property="Cursor" Value="Hand"/>
                            <Style.Triggers>
                                <Trigger Property="IsMouseOver" Value="True">
                                    <Setter Property="Background" Value="#4000BFFF"/>
                                </Trigger>
                            </Style.Triggers>
                        </Style>
                    </Button.Style>
                </Button>
                
                <!-- Información de la aplicación -->
                <StackPanel Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Center">
                    <TextBlock Text="App:" FontWeight="Bold" Foreground="White" Margin="0,0,5,0"/>
                    <TextBlock Text="{Binding CurrentApplication}" FontWeight="Bold" Foreground="Yellow"/>
                    <TextBlock Text=" - " FontWeight="Bold" Foreground="White" Margin="5,0"/>
                    <TextBlock Text="{Binding Shortcuts.Count, StringFormat=\{0\} shortcuts}" Foreground="LightGray"/>
                    <TextBlock Text=" (Pinned)" FontWeight="Bold" Foreground="Orange" Margin="5,0,0,0"
                               Visibility="{Binding IsPinnedMode, Converter={StaticResource BoolToVisibilityConverter}}"/>
                </StackPanel>
            </Grid>
        </Border>
        
        <!-- DataGrid -->
        <DataGrid x:Name="ShortcutsDataGrid" Grid.Row="1" 
                  ItemsSource="{Binding Shortcuts}" 
                  SelectedItem="{Binding SelectedShortcut}"
                  AutoGenerateColumns="False" 
                  CanUserAddRows="False" 
                  CanUserDeleteRows="False" 
                  SelectionMode="Single"
                  GridLinesVisibility="Horizontal"
                  HeadersVisibility="Column"
                  AlternatingRowBackground="LightGray"
                  RowHeaderWidth="0"
                  CanUserSortColumns="False"
                  IsReadOnly="False"
                  MouseDoubleClick="ShortcutsDataGrid_MouseDoubleClick"
                  CellEditEnding="ShortcutsDataGrid_CellEditEnding"
                  RowEditEnding="ShortcutsDataGrid_RowEditEnding">
            <DataGrid.ContextMenu>
                <ContextMenu>
                    <MenuItem Header="🗑️ Eliminar" Click="MenuItem_Delete_Click" />
                    <Separator />
                    <MenuItem Header="⌨️ Capturar Teclas" Click="MenuItem_CaptureKeys_Click" />
                </ContextMenu>
            </DataGrid.ContextMenu>
            <DataGrid.Columns>
                <DataGridCheckBoxColumn x:Name="FavoriteColumn" 
                                      Header="⭐" 
                                      Binding="{Binding IsFavorite, UpdateSourceTrigger=PropertyChanged}" 
                                      Width="40"
                                      MinWidth="40"/>
                <DataGridTextColumn x:Name="ShortcutColumn" 
                                  Header="Atajo" 
                                  Binding="{Binding Shortcut, UpdateSourceTrigger=PropertyChanged}" 
                                  Width="140"
                                  MinWidth="100"
                                  FontFamily="Consolas"
                                  FontWeight="Bold"/>
                <DataGridTemplateColumn x:Name="DescriptionColumn" 
                                      Header="Descripción" 
                                      Width="*"
                                      MinWidth="80">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Description}" 
                                     TextWrapping="Wrap" 
                                     MaxWidth="400"
                                     Margin="5,2"
                                     VerticalAlignment="Top"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                    <DataGridTemplateColumn.CellEditingTemplate>
                        <DataTemplate>
                            <TextBox Text="{Binding Description, UpdateSourceTrigger=PropertyChanged}" 
                                   TextWrapping="Wrap" 
                                   AcceptsReturn="True"
                                   AcceptsTab="True"
                                   MinHeight="40"
                                   MaxHeight="120"
                                   ScrollViewer.VerticalScrollBarVisibility="Auto"
                                   ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                                   BorderThickness="1"
                                   BorderBrush="LightBlue"
                                   Margin="1"
                                   Padding="2"
                                   VerticalAlignment="Stretch"
                                   VerticalContentAlignment="Top"
                                   HorizontalAlignment="Stretch"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellEditingTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
            <DataGrid.RowStyle>
                <Style TargetType="DataGridRow">
                    <Setter Property="MinHeight" Value="40"/>
                    <Style.Triggers>
                        <DataTrigger Binding="{Binding IsFavorite}" Value="True">
                            <Setter Property="Background" Value="LightYellow"/>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding IsModified}" Value="True">
                            <Setter Property="FontStyle" Value="Italic"/>
                        </DataTrigger>
                    </Style.Triggers>
                </Style>
            </DataGrid.RowStyle>
        </DataGrid>
    </Grid>
</Window>