mirror of
https://github.com/microsoft/PowerToys.git
synced 2024-12-15 03:59:15 +08:00
188 lines
5.3 KiB
C#
188 lines
5.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Forms;
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using System.Windows.Input;
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using System.Windows.Media;
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using Wox.Helper;
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using Wox.Infrastructure;
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using Wox.Plugin;
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using MessageBox = System.Windows.MessageBox;
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using UserControl = System.Windows.Controls.UserControl;
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namespace Wox
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{
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public partial class ResultPanel : UserControl
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{
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public event Action<Result> OnMouseClickItem;
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protected virtual void OnOnMouseClickItem(Result result)
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{
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Action<Result> handler = OnMouseClickItem;
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if (handler != null) handler(result);
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}
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public bool Dirty { get; set; }
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public void AddResults(List<Result> results)
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{
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if (Dirty)
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{
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Dirty = false;
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lbResults.Items.Clear();
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}
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foreach (var result in results)
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{
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int position = GetInsertLocation(result.Score);
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lbResults.Items.Insert(position, result);
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}
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gridContainer.Margin = lbResults.Items.Count > 0 ? new Thickness { Top = 8 } : new Thickness { Top = 0 };
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SelectFirst();
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}
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private int GetInsertLocation(int currentScore)
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{
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int location = lbResults.Items.Count;
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if (lbResults.Items.Count == 0) return 0;
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if (currentScore > ((Result)lbResults.Items[0]).Score) return 0;
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for (int index = 1; index < lbResults.Items.Count; index++)
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{
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Result next = lbResults.Items[index] as Result;
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Result prev = lbResults.Items[index - 1] as Result;
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if (next != null && prev != null)
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{
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if ((currentScore >= next.Score && currentScore <= prev.Score))
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{
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if (currentScore == next.Score)
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{
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location = index + 1;
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}
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else
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{
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location = index;
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}
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}
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}
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}
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return location;
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}
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private FrameworkElement FindByName(string name, FrameworkElement root)
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{
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Stack<FrameworkElement> tree = new Stack<FrameworkElement>();
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tree.Push(root);
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while (tree.Count > 0)
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{
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FrameworkElement current = tree.Pop();
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if (current.Name == name)
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return current;
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int count = VisualTreeHelper.GetChildrenCount(current);
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for (int i = 0; i < count; ++i)
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{
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DependencyObject child = VisualTreeHelper.GetChild(current, i);
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if (child is FrameworkElement)
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tree.Push((FrameworkElement)child);
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}
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}
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return null;
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}
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public void SelectNext()
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{
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int index = lbResults.SelectedIndex;
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if (index == lbResults.Items.Count - 1)
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{
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index = -1;
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}
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Select(index + 1);
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}
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public void SelectPrev()
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{
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int index = lbResults.SelectedIndex;
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if (index == 0)
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{
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index = lbResults.Items.Count;
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}
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Select(index - 1);
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}
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private void SelectFirst()
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{
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Select(0);
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}
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private void Select(int index)
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{
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if (index >= 0 && index < lbResults.Items.Count)
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{
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lbResults.SelectedItem = lbResults.Items.GetItemAt(index);
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}
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}
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public Result AcceptSelect()
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{
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int index = lbResults.SelectedIndex;
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if (index < 0) return null;
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return lbResults.Items[index] as Result;
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}
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public ResultPanel()
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{
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InitializeComponent();
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}
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public void Clear()
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{
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lbResults.Items.Clear();
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gridContainer.Margin = new Thickness { Top = 0 };
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}
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private void lbResults_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (e.AddedItems.Count > 0 && e.AddedItems[0] != null)
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{
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lbResults.ScrollIntoView(e.AddedItems[0]);
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}
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}
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private void LbResults_OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
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{
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var item = ItemsControl.ContainerFromElement(lbResults, e.OriginalSource as DependencyObject) as ListBoxItem;
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if (item != null)
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{
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OnOnMouseClickItem(item.DataContext as Result);
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}
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}
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public void SelectNextPage()
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{
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int index = lbResults.SelectedIndex;
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index += 5;
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if (index >= lbResults.Items.Count)
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{
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index = lbResults.Items.Count - 1;
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}
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Select(index);
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}
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public void SelectPrevPage()
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{
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int index = lbResults.SelectedIndex;
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index -= 5;
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if (index < 0)
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{
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index = 0;
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}
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Select(index);
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}
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}
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} |