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https://github.com/fadden/6502bench.git
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f3f4c44633
In WinForms, if you want a virtual ListView, you set the "virtual" property and define a couple of callbacks. In WPF, there are separate notions of "UI virtualization" and "data virtualization". The former is done automatically (usually) by the ListView. The latter requires creating an implementation of IList, and relies on behavior that I'm having trouble finding in official documentation. Yay WPF. This splits the source-generation stuff out into DisplayListGen, leaving DisplayList as a list of stuff to display that can be bound to WPF as a ListView ItemsSource. The DisplayList instance will have a hook back into DisplayListGen to perform the on-demand string rendering. (For now it's just generating test patterns.)
123 lines
4.0 KiB
C#
123 lines
4.0 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Shapes;
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namespace SourceGenWPF.ProjWin {
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window, INotifyPropertyChanged {
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/// <summary>
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private MainController mUI;
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public MainWindow() {
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InitializeComponent();
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// TODO: verify that RuntimeData dir is accessible
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this.DataContext = this;
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mUI = new MainController(this);
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codeListView.ItemsSource = new DisplayList(500);
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}
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/// <summary>
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/// INotifyPropertyChanged event
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/// </summary>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary>
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/// Call this when a notification-worthy property changes value.
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///
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/// The CallerMemberName attribute puts the calling property's name in the first arg.
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/// </summary>
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/// <param name="propertyName">Name of property that changed.</param>
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private void NotifyPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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private bool mShowCodeListView;
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/// <summary>
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/// Which panel are we showing, launchPanel or codeListView?
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/// </summary>
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public bool ShowCodeListView {
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get {
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return mShowCodeListView;
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}
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set {
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mShowCodeListView = value;
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NotifyPropertyChanged("LaunchPanelVisibility");
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NotifyPropertyChanged("CodeListVisibility");
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}
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}
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/// <summary>
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/// Returns true if we should be showing the launch panel.
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/// (Intended for use from XAML.)
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/// </summary>
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public Visibility LaunchPanelVisibility {
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get { return mShowCodeListView ? Visibility.Hidden : Visibility.Visible; }
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}
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/// <summary>
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/// Returns true if we should be showing the code ListView.
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/// (Intended for use from XAML.)
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/// </summary>
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public Visibility CodeListVisibility {
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get { return mShowCodeListView ? Visibility.Visible : Visibility.Hidden; }
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}
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/// Version string, for display.
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/// </summary>
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public string ProgramVersionString {
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get { return App.ProgramVersion.ToString(); }
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}
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private void AssembleCmd_Executed(object sender, ExecutedRoutedEventArgs e) {
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// test
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Debug.WriteLine("assembling");
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}
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private void RecentProject_Executed(object sender, ExecutedRoutedEventArgs e) {
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if (!int.TryParse((string)e.Parameter, out int recentIndex) ||
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recentIndex < 1 || recentIndex > MainController.MAX_RECENT_PROJECTS) {
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throw new Exception("Bad parameter: " + e.Parameter);
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}
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recentIndex--;
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Debug.WriteLine("Recent project #" + recentIndex);
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mUI.OpenRecentProject(recentIndex);
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}
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}
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}
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