theme editor: allow writing into color text fields, escape = undo current textfield edit

Author: unitycoder

UnityLauncherPro/ThemeEditor.xaml

@@ -238,22 +238,22 @@
                 <StackPanel Orientation="Horizontal">
                     <Label Foreground="#FFC1C1C1" Width="44">Red</Label>
                     <Slider x:Name="sliderRed" AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="0" HorizontalAlignment="Left" Margin="0,0,0,0" VerticalAlignment="Top" Width="200" Height="28" Value="255" Maximum="255" LargeChange="0" SmallChange="1" ValueChanged="SliderRed_ValueChanged" PreviewMouseLeftButtonDown="SliderRed_PreviewMouseLeftButtonDown" IsSnapToTickEnabled="True"/>
-                    <TextBox x:Name="txtRed" Text="{Binding ElementName=sliderRed,Path=Value}" Background="#FFAAAAAA" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Margin="5,0,0,8" IsReadOnly="True" />
+                    <TextBox x:Name="txtRed" Text="{Binding ElementName=sliderRed,Path=Value}" Background="#FFAAAAAA" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Margin="5,0,0,8" KeyUp="TxtRed_KeyUp" PreviewKeyDown="TxtColorField_PreviewKeyDown" />
                 </StackPanel>
                 <StackPanel Orientation="Horizontal">
                     <Label Foreground="#FFC1C1C1" Width="44">Green</Label>
                     <Slider x:Name="sliderGreen"  AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="0"  HorizontalAlignment="Left" Margin="0,0,0,0" VerticalAlignment="Top" Width="200" Height="28" Value="255" Maximum="255" LargeChange="0" SmallChange="1" ValueChanged="SliderGreen_ValueChanged" PreviewMouseLeftButtonDown="SliderGreen_PreviewMouseLeftButtonDown" IsSnapToTickEnabled="True"/>
-                    <TextBox x:Name="txtGreen" Text="{Binding ElementName=sliderGreen,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" IsReadOnly="True" />
+                    <TextBox x:Name="txtGreen" Text="{Binding ElementName=sliderGreen,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" KeyUp="TxtGreen_KeyUp" PreviewKeyDown="TxtColorField_PreviewKeyDown" />
                 </StackPanel>
                 <StackPanel Orientation="Horizontal">
                     <Label Foreground="#FFC1C1C1" Width="44">Blue</Label>
                     <Slider x:Name="sliderBlue"  AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="0"  HorizontalAlignment="Left" Margin="0,0,0,0" VerticalAlignment="Top" Width="200" Height="28" Value="255" Maximum="255" LargeChange="0" SmallChange="1" ValueChanged="SliderBlue_ValueChanged" PreviewMouseLeftButtonDown="SliderBlue_PreviewMouseLeftButtonDown" IsSnapToTickEnabled="True"/>
-                    <TextBox x:Name="txtBlue" Text="{Binding ElementName=sliderBlue,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" IsReadOnly="True" />
+                    <TextBox x:Name="txtBlue" Text="{Binding ElementName=sliderBlue,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" KeyUp="TxtBlue_KeyUp" PreviewKeyDown="TxtColorField_PreviewKeyDown" />
                 </StackPanel>
                 <StackPanel Orientation="Horizontal">
                     <Label Foreground="#FFC1C1C1" Width="44">Alpha</Label>
                     <Slider x:Name="sliderAlpha"  AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="0" HorizontalAlignment="Left" Margin="0,0,0,0" VerticalAlignment="Top" Width="200" Height="28" Value="255" Maximum="255" LargeChange="0" SmallChange="1" ValueChanged="SliderAlpha_ValueChanged" PreviewMouseLeftButtonDown="SliderAlpha_PreviewMouseLeftButtonDown" IsSnapToTickEnabled="True"/>
-                    <TextBox x:Name="txtAlpha" Text="{Binding ElementName=sliderAlpha,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" IsReadOnly="True" />
+                    <TextBox x:Name="txtAlpha" Text="{Binding ElementName=sliderAlpha,Path=Value}" VerticalAlignment="Center" IsUndoEnabled="True" Width="32" Background="#FFAAAAAA" Margin="5,0,0,8" KeyUp="TxtAlpha_KeyUp" PreviewKeyDown="TxtColorField_PreviewKeyDown" />
                 </StackPanel>
             </StackPanel>
             <StackPanel Orientation="Vertical" Margin="25,0,0,0" VerticalAlignment="Center" HorizontalAlignment="Center">

UnityLauncherPro/ThemeEditor.xaml.cs

@@ -241,5 +241,51 @@ void SetUndoValues(Object sender, TextBox textBox)
             previousSlider = (Slider)sender;
             previousValue = (int)previousSlider.Value;
         }
+
+        private void TxtRed_KeyUp(object sender, KeyEventArgs e)
+        {
+            GetColorFromTextBox((TextBox)sender, sliderRed);
+        }
+
+        private void TxtGreen_KeyUp(object sender, KeyEventArgs e)
+        {
+            GetColorFromTextBox((TextBox)sender, sliderGreen);
+        }
+
+        private void TxtBlue_KeyUp(object sender, KeyEventArgs e)
+        {
+            GetColorFromTextBox((TextBox)sender, sliderBlue);
+        }
+
+        private void TxtAlpha_KeyUp(object sender, KeyEventArgs e)
+        {
+            GetColorFromTextBox((TextBox)sender, sliderAlpha);
+        }
+
+        void GetColorFromTextBox(TextBox source, Slider target)
+        {
+            int col = 0;
+            if (int.TryParse(source.Text, out col))
+            {
+                bool overWrite = false;
+                if (col < 0) { col = 0; overWrite = true; }
+                if (col > 255) { col = 255; overWrite = true; }
+
+                source.Text = col + "";
+                target.Value = col;
+
+                if (overWrite == true) source.SelectAll();
+            }
+        }
+
+        private void TxtColorField_PreviewKeyDown(object sender, KeyEventArgs e)
+        {
+            switch (e.Key)
+            {
+                case Key.Escape: // undo current textbox edit
+                    ((TextBox)sender).Undo();
+                    break;
+            }
+        }
     } // class
 } // namespace