added AP TextFieldAssist.ClearButtonSize to control the size of the ClearButton

Author: Corvin Szimion

src/MaterialDesignThemes.Wpf/TextFieldAssist.cs

@@ -41,7 +41,7 @@ public static class TextFieldAssist
 
     public static void SetTextBoxViewVerticalAlignment(DependencyObject element, VerticalAlignment value) => element.SetValue(TextBoxViewVerticalAlignmentProperty, value);
 
-    public static VerticalAlignment GetTextBoxViewVerticalAlignment(DependencyObject element) => (VerticalAlignment) element.GetValue(TextBoxViewVerticalAlignmentProperty);
+    public static VerticalAlignment GetTextBoxViewVerticalAlignment(DependencyObject element) => (VerticalAlignment)element.GetValue(TextBoxViewVerticalAlignmentProperty);
 
     /// <summary>
     /// Controls the visibility of the underline decoration.
@@ -172,7 +172,7 @@ public static void SetSuffixTextVisibility(DependencyObject element, PrefixSuffi
         => element.SetValue(SuffixTextVisibilityProperty, value);
 
     public static PrefixSuffixVisibility GetSuffixTextVisibility(DependencyObject element)
-        => (PrefixSuffixVisibility) element.GetValue(SuffixTextVisibilityProperty);
+        => (PrefixSuffixVisibility)element.GetValue(SuffixTextVisibilityProperty);
 
     /// <summary>
     /// SuffixTextHintBehavior dependency property. Controls how a floating hint aligns with respect to the text and suffix.
@@ -184,7 +184,7 @@ public static void SetSuffixTextHintBehavior(DependencyObject element, PrefixSuf
         => element.SetValue(SuffixTextHintBehaviorProperty, value);
 
     public static PrefixSuffixHintBehavior GetSuffixTextHintBehavior(DependencyObject element)
-        => (PrefixSuffixHintBehavior) element.GetValue(SuffixTextHintBehaviorProperty);
+        => (PrefixSuffixHintBehavior)element.GetValue(SuffixTextHintBehaviorProperty);
 
     /// <summary>
     /// PrefixText dependency property
@@ -208,7 +208,7 @@ public static void SetPrefixTextVisibility(DependencyObject element, PrefixSuffi
         => element.SetValue(PrefixTextVisibilityProperty, value);
 
     public static PrefixSuffixVisibility GetPrefixTextVisibility(DependencyObject element)
-        => (PrefixSuffixVisibility) element.GetValue(PrefixTextVisibilityProperty);
+        => (PrefixSuffixVisibility)element.GetValue(PrefixTextVisibilityProperty);
 
     /// <summary>
     /// PrefixTextHintBehavior dependency property. Controls how a floating hint aligns with respect to the text and prefix.
@@ -234,6 +234,18 @@ public static void SetHasClearButton(DependencyObject element, bool value)
     public static bool GetHasClearButton(DependencyObject element)
         => (bool)element.GetValue(HasClearButtonProperty);
 
+    /// <summary>
+    /// Controls the size of the clear button.
+    /// </summary>
+    public static readonly DependencyProperty ClearButtonSizeProperty = DependencyProperty.RegisterAttached(
+        "ClearButtonSize", typeof(double), typeof(TextFieldAssist), new PropertyMetadata(16.0d));
+
+    public static void SetClearButtonSize(DependencyObject element, double value)
+        => element.SetValue(ClearButtonSizeProperty, value);
+
+    public static double GetClearButtonSize(DependencyObject element)
+        => (double)element.GetValue(ClearButtonSizeProperty);
+
     /// <summary>
     /// Controls visibility of the leading icon
     /// </summary>
@@ -316,7 +328,7 @@ public static void SetIconVerticalAlignment(DependencyObject element, VerticalAl
         => element.SetValue(IconVerticalAlignmentProperty, value);
 
     public static VerticalAlignment GetIconVerticalAlignment(DependencyObject element)
-        => (VerticalAlignment) element.GetValue(IconVerticalAlignmentProperty);
+        => (VerticalAlignment)element.GetValue(IconVerticalAlignmentProperty);
 
     public static Style GetCharacterCounterStyle(DependencyObject obj) => (Style)obj.GetValue(CharacterCounterStyleProperty);
 
@@ -373,14 +385,14 @@ public static Thickness GetOutlinedBorderActiveThickness(DependencyObject elemen
     public static void SetTextBoxLineCount(DependencyObject element, int value)
         => element.SetValue(TextBoxLineCountProperty, value);
     public static int GetTextBoxLineCount(DependencyObject element)
-        => (int) element.GetValue(TextBoxLineCountProperty);
+        => (int)element.GetValue(TextBoxLineCountProperty);
 
     public static readonly DependencyProperty TextBoxIsMultiLineProperty = DependencyProperty.RegisterAttached(
         "TextBoxIsMultiLine", typeof(bool), typeof(TextFieldAssist), new PropertyMetadata(false));
     public static void SetTextBoxIsMultiLine(DependencyObject element, bool value)
         => element.SetValue(TextBoxIsMultiLineProperty, value);
     public static bool GetTextBoxIsMultiLine(DependencyObject element)
-        => (bool) element.GetValue(TextBoxIsMultiLineProperty);
+        => (bool)element.GetValue(TextBoxIsMultiLineProperty);
 
     #region Methods
 

src/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.AutoSuggestBox.xaml

@@ -240,7 +240,11 @@
                         <Binding ElementName="Hint" Path="IsContentNullOrEmpty" />
                       </MultiBinding>
                     </Button.Visibility>
-                    <wpf:PackIcon x:Name="ClearButtonIcon" Margin="0" Kind="CloseCircle" />
+                    <wpf:PackIcon x:Name="ClearButtonIcon"
+                                  Margin="0"
+                                  Kind="CloseCircle"
+                                  Height="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
+                                  Width="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"/>
                   </Button>
                 </Grid>
               </Border>

src/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.ComboBox.xaml

@@ -485,7 +485,11 @@
                     <Binding Path="IsEditable" RelativeSource="{RelativeSource TemplatedParent}" />
                   </MultiBinding>
                 </Button.Visibility>
-                <wpf:PackIcon x:Name="ClearButtonIcon" Margin="0" Kind="CloseCircle" />
+                <wpf:PackIcon x:Name="ClearButtonIcon"
+                              Margin="0"
+                              Kind="CloseCircle"
+                              Height="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
+                              Width="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"/>
               </Button>
             </Grid>
           </Grid>

src/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.DatePicker.xaml

@@ -71,6 +71,7 @@
                                wpf:TextFieldAssist.TrailingIconSize="{TemplateBinding wpf:TextFieldAssist.TrailingIconSize}"
                                wpf:TextFieldAssist.DecorationVisibility="{TemplateBinding wpf:TextFieldAssist.DecorationVisibility}"
                                wpf:TextFieldAssist.HasClearButton="{TemplateBinding wpf:TextFieldAssist.HasClearButton}"
+                               wpf:TextFieldAssist.ClearButtonSize="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
                                wpf:TextFieldAssist.HasFilledTextField="{TemplateBinding wpf:TextFieldAssist.HasFilledTextField}"
                                wpf:TextFieldAssist.HasOutlinedTextField="{TemplateBinding wpf:TextFieldAssist.HasOutlinedTextField}"
                                wpf:TextFieldAssist.NewSpecHighlightingEnabled="{TemplateBinding wpf:TextFieldAssist.NewSpecHighlightingEnabled}"

src/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.PasswordBox.xaml

@@ -284,7 +284,11 @@
                         <Binding ElementName="Hint" Path="IsContentNullOrEmpty" />
                       </MultiBinding>
                     </Button.Visibility>
-                    <wpf:PackIcon x:Name="ClearButtonIcon" Margin="0" Kind="CloseCircle" />
+                    <wpf:PackIcon x:Name="ClearButtonIcon"
+                                  Margin="0"
+                                  Kind="CloseCircle"
+                                  Height="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
+                                  Width="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}" />
                   </Button>
                 </Grid>
               </Border>
@@ -912,7 +916,11 @@
                         <Binding ElementName="Hint" Path="IsContentNullOrEmpty" />
                       </MultiBinding>
                     </Button.Visibility>
-                    <wpf:PackIcon x:Name="ClearButtonIcon" Margin="0" Kind="CloseCircle" />
+                    <wpf:PackIcon x:Name="ClearButtonIcon"
+                                  Margin="0"
+                                  Kind="CloseCircle"
+                                  Height="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
+                                  Width="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}" />
                   </Button>
 
                 </Grid>

src/MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.TextBox.xaml

@@ -280,7 +280,11 @@
                         <Binding ElementName="Hint" Path="IsContentNullOrEmpty" />
                       </MultiBinding>
                     </Button.Visibility>
-                    <wpf:PackIcon x:Name="ClearButtonIcon" Margin="0" Kind="CloseCircle" />
+                    <wpf:PackIcon x:Name="ClearButtonIcon"
+                                  Margin="0"
+                                  Kind="CloseCircle"
+                                  Height="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}"
+                                  Width="{TemplateBinding wpf:TextFieldAssist.ClearButtonSize}" />
                   </Button>
                 </Grid>
               </Border>