set limit to button size

QuickLook/Converters/ScaledValueConverter.cs

@@ -0,0 +1,44 @@
+// Copyright © 2017 Paddy Xu
+// 
+// This file is part of QuickLook program.
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace QuickLook.Converters
+{
+    public class ScaledValueConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            double scalingFactor = 0;
+            if (parameter != null)
+                double.TryParse((string) parameter, out scalingFactor);
+
+            if (Math.Abs(scalingFactor) < 0.0001)
+                return double.NaN;
+
+            return (double) value * scalingFactor;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter,
+            CultureInfo culture)
+        {
+            throw new Exception("The method or operation is not implemented.");
+        }
+    }
+}

QuickLook/MainWindowTransparent.xaml

@@ -19,6 +19,7 @@
         <converters:BooleanToResizeModeConverter x:Key="BooleanToResizeModeConverter" />
         <converters:BooleanToResizeBorderThicknessConverter x:Key="BooleanToResizeBorderThicknessConverter" />
         <converters:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
+        <converters:ScaledValueConverter x:Key="ScaledValueConverter" />
     </Window.Resources>
     <Window.ResizeMode>
         <Binding Converter="{StaticResource BooleanToResizeModeConverter}" ElementName="mainWindow"
@@ -88,13 +89,14 @@
                                      Width="14" Height="14" Margin="10,0,5,0" Foreground="#E5868686"
                                      Cursor="Hand" />
                     <Button x:Name="buttonOpenWith" DockPanel.Dock="Right" Content="Open with..." Height="20"
-                            Margin="10,0,0,0" Padding="5,0"
+                            Margin="10,0,0,0" Padding="5,0" 
+                            MaxWidth="{Binding Width, ElementName=mainWindow, Converter={StaticResource ScaledValueConverter}, ConverterParameter='0.25'}"
                             Focusable="False" Cursor="Hand"
                             Background="#E5EEEEEE" BorderBrush="#E59A9A9A"
                             WindowChrome.IsHitTestVisibleInChrome="True" Foreground="#FF404040">
                         <Button.ContentTemplate>
                             <DataTemplate>
-                                <ContentPresenter Content="{Binding}" RecognizesAccessKey="False" />
+                                <TextBlock TextTrimming="CharacterEllipsis" Text="{Binding}" />
                             </DataTemplate>
                         </Button.ContentTemplate>
                     </Button>
@@ -172,7 +174,7 @@
                     <!-- set grid.background colour makes it clickable -->
                     <Grid x:Name="titleArea" Background="Transparent">
                         <TextBlock Text="{Binding ContextObject.Title, ElementName=mainWindow}" FontSize="14"
-                                   HorizontalAlignment="Center"
+                                   HorizontalAlignment="Center" TextTrimming="CharacterEllipsis"
                                    VerticalAlignment="Center" Margin="5,0" />
                     </Grid>
                 </DockPanel>

QuickLook/QuickLook.csproj

@@ -108,6 +108,7 @@
     <Compile Include="Converters\BooleanToResizeModeConverter.cs" />
     <Compile Include="Converters\BooleanToVisibilityConverter.cs" />
     <Compile Include="Converters\BooleanToResizeBorderThicknessConverter.cs" />
+    <Compile Include="Converters\ScaledValueConverter.cs" />
     <Compile Include="FocusMonitor.cs" />
     <Compile Include="Helpers\AutoStartupHelper.cs" />
     <Compile Include="Controls\BackgroundVisualHost.cs" />