mirror/PowerToys
1
0
Fork 0
mirror of https://github.com/microsoft/PowerToys.git synced 2024-12-05 04:39:08 +08:00
Code Issues Actions 10 Packages Projects Releases Wiki Activity

Fixing gap in logic where query was triggering when programatically setting text.

Browse Source 
Updating the binding and settext both will trigger the TextChanged event on a seperate event dispatcher.  For this reason we dynamically detect which eventhandler is most approapriate on the textchanging event.
This commit is contained in:
ryanbodrug-microsoft 2020-04-25 09:34:16 -07:00
parent 15b7b20500
commit aa79325d76
3 changed files with 52 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/modules/launcher/PowerLauncher.UI/LauncherControl.xaml
View File

@ -375,7 +375,6 @@
x:FieldModifier="public"
Style="{StaticResource CustomAutoSuggestBoxTextBoxStyle}"
PlaceholderText="Start typing"
Text="{Binding QueryText}"
Height="60"
ScrollViewer.BringIntoViewOnFocusChange="False"
Canvas.ZIndex="0"

54
src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
View File

@ -22,6 +22,7 @@ using System.Threading.Tasks;
using Windows.UI.Xaml;
using Windows.UI.Core;
using System.Windows.Media;
using Windows.UI.Xaml.Data;
namespace PowerLauncher
{
@ -33,11 +34,10 @@ namespace PowerLauncher
private readonly Storyboard _progressBarStoryboard = new Storyboard();
private Settings _settings;
private MainViewModel _viewModel;
private bool _isTextSetProgramatically;
const int ROW_COUNT = 4;
const int ROW_HEIGHT = 75;
const int MAX_LIST_HEIGHT = 300;
#endregion
public MainWindow(Settings settings, MainViewModel mainVM)
@ -60,6 +60,7 @@ namespace PowerLauncher
private void OnInitialized(object sender, EventArgs e)
{
}
private void OnLoaded(object sender, System.Windows.RoutedEventArgs _)
@ -153,7 +154,7 @@ namespace PowerLauncher
_launcher = (PowerLauncher.UI.LauncherControl)host.Child;
_launcher.DataContext = _viewModel;
_launcher.KeyDown += _launcher_KeyDown;
_launcher.TextBox.TextChanged += QueryTextBox_TextChanged;
_launcher.TextBox.TextChanging += QueryTextBox_TextChanging;
_launcher.TextBox.Loaded += TextBox_Loaded;
_launcher.PropertyChanged += UserControl_PropertyChanged;
_viewModel.PropertyChanged += (o, e) =>
@ -177,9 +178,16 @@ namespace PowerLauncher
}
}
}
else if(e.PropertyName == nameof(MainViewModel.SystemQueryText))
{
this._isTextSetProgramatically = true;
_launcher.TextBox.Text = _viewModel.SystemQueryText;
}
};
}
private void UserControl_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "SolidBorderBrush")
@ -347,8 +355,36 @@ namespace PowerLauncher
return String.Empty;
}
private void QueryTextBox_TextChanging(TextBox sender, TextBoxTextChangingEventArgs args)
{
ClearAllQueryTextChangedHanlders();
private void QueryTextBox_TextChanged(object sender, Windows.UI.Xaml.Controls.TextChangedEventArgs e)
if(this._isTextSetProgramatically)
{
this._launcher.TextBox.TextChanged += QueryTextBox_TextChangedProgramatically;
}
else
{
this._launcher.TextBox.TextChanged += QueryTextBox_TextChangedByUserInput;
}
}
private void ClearAllQueryTextChangedHanlders()
{
this._launcher.TextBox.TextChanged -= QueryTextBox_TextChangedProgramatically;
this._launcher.TextBox.TextChanged -= QueryTextBox_TextChangedByUserInput;
}
private void QueryTextBox_TextChangedProgramatically(object sender, Windows.UI.Xaml.Controls.TextChangedEventArgs e)
{
var textBox = ((Windows.UI.Xaml.Controls.TextBox)sender);
textBox.SelectionStart = textBox.Text.Length;
this._isTextSetProgramatically = false;
}
private void QueryTextBox_TextChangedByUserInput(object sender, Windows.UI.Xaml.Controls.TextChangedEventArgs e)
{
var text = ((Windows.UI.Xaml.Controls.TextBox)sender).Text;
//To clear the auto-suggest immediately instead of waiting for selection changed
@ -357,20 +393,12 @@ namespace PowerLauncher
_launcher.AutoCompleteTextBox.PlaceholderText = String.Empty;
}
if (_viewModel.QueryTextUpdateBySystem)
{
_launcher.TextBox.SelectionStart = _launcher.TextBox.Text.Length;
_viewModel.QueryTextUpdateBySystem = false;
}
else
{
_viewModel.QueryText = text;
var latestTimeOfTyping = DateTime.Now;
Task.Run(() => DelayedCheck(latestTimeOfTyping, text));
s_lastTimeOfTyping = latestTimeOfTyping;
}
}
private async Task DelayedCheck(DateTime latestTimeOfTyping, string text)
{
@ -384,7 +412,7 @@ namespace PowerLauncher
}
}
private void WindowsXamlHost_PreviewMouseDown(object sender, MouseButtonEventArgs e)
private void WindowsXamlHost_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
// if (sender != null && e.OriginalSource != null)
// {

5
src/modules/launcher/Wox/ViewModel/MainViewModel.cs
View File

@ -236,16 +236,15 @@ namespace Wox.ViewModel
/// <param name="requery">Optional Parameter that if true, will automatically execute a query against the updated text</param>
public void ChangeQueryText(string queryText, bool requery=false)
{
QueryTextUpdateBySystem = true;
QueryText = queryText;
SystemQueryText = queryText;
if(requery)
{
QueryText = queryText;
Query();
}
}
public bool LastQuerySelected { get; set; }
public bool QueryTextUpdateBySystem { get; set; }
private ResultsViewModel _selectedResults;
private ResultsViewModel SelectedResults