mirror of
https://github.com/fadden/6502bench.git
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We can now Edit Long Comment and Edit Header Comment. Changing the number of lines in a long comment exposed a bug in the display list update. Fixed. Running the WinForms version trashed the column widths, which exposed the fact that the default column widths were set too narrow. Fixed. On an unrelated note, hitting undo/redo quickly will sometimes leave you scrolled to the bottom of the code list. Some sort of command- handling race in the WPF framework? (Not fixed.)
178 lines
5.8 KiB
C#
178 lines
5.8 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.Runtime.CompilerServices;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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namespace SourceGenWPF.WpfGui {
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/// <summary>
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/// Long comment editor.
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/// </summary>
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public partial class EditLongComment : Window, INotifyPropertyChanged {
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/// <summary>
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/// Get or set the multi-line comment object. On exit, will be set to null if
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/// the user wants to delete the comment.
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/// </summary>
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public MultiLineComment LongComment { get; set; }
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private Asm65.Formatter mFormatter;
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public bool RenderInBox {
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get { return mRenderInBox; }
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set {
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mRenderInBox = value;
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OnPropertyChanged();
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FormatInput();
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}
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}
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private bool mRenderInBox;
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/// <summary>
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/// Text input by user. This is bound to the input TextBox.
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/// </summary>
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public string UserInput {
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get { return mUserInput; }
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set {
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mUserInput = value;
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OnPropertyChanged();
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FormatInput();
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}
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}
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private string mUserInput;
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/// <summary>
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/// Generated text output. This is bound to the output TextBox.
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/// </summary>
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public string TextOutput {
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get { return mTextOutput; }
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set {
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mTextOutput = value;
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OnPropertyChanged();
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}
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}
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private string mTextOutput;
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// INotifyPropertyChanged implementation
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public event PropertyChangedEventHandler PropertyChanged;
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private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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/// <summary>
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/// ItemsSource for line width combo box.
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/// </summary>
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public int[] LineWidthItems { get; } = new int[] { 30, 40, 64, 80 };
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public EditLongComment(Window owner, Asm65.Formatter formatter) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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mFormatter = formatter;
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LongComment = new MultiLineComment(string.Empty);
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}
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private void Window_Loaded(object sender, RoutedEventArgs e) {
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Debug.Assert(LongComment != null);
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UserInput = LongComment.Text;
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RenderInBox = LongComment.BoxMode;
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// Try to find a match for the max width specified in the MLC.
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maxWidthComboBox.SelectedIndex = 0;
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for (int i = 0; i < maxWidthComboBox.Items.Count; i++) {
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if ((int)maxWidthComboBox.Items[i] == LongComment.MaxWidth) {
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maxWidthComboBox.SelectedIndex = i;
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break;
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}
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}
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FormatInput();
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entryTextBox.Focus();
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}
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private void OkButton_Clicked(object sender, RoutedEventArgs e) {
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DialogResult = true;
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}
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// Handle Ctrl+Enter as a way to close the dialog, since plain Enter just
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// moves to a new line.
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private void CloseCmd_Executed(object sender, ExecutedRoutedEventArgs e) {
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DialogResult = true;
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}
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private void Window_Closing(object sender, CancelEventArgs e) {
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if (string.IsNullOrEmpty(UserInput)) {
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LongComment = null;
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} else {
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LongComment = CreateMLC();
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}
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}
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private void MaxWidthComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) {
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FormatInput();
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}
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/// <summary>
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/// Formats entryTextBox.Text into displayTextBox.Text.
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/// </summary>
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private void FormatInput() {
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if (!IsLoaded) {
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return;
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}
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MultiLineComment mlc = CreateMLC();
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if (mlc == null) {
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return;
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}
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List<string> lines = mlc.FormatText(mFormatter, string.Empty);
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StringBuilder sb = new StringBuilder(UserInput.Length + lines.Count * 2);
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//sb.AppendFormat("### got {0} lines\r\n", lines.Count);
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bool first = true;
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foreach (string line in lines) {
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if (first) {
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first = false;
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} else {
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sb.Append("\r\n");
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}
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sb.Append(line);
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}
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TextOutput = sb.ToString();
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}
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/// <summary>
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/// Creates a MultiLineComment from the current state of the dialog.
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/// </summary>
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/// <returns>New MultiLineComment object. Returns null if the dialog is still
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/// in the process of initializing.</returns>
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private MultiLineComment CreateMLC() {
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if (maxWidthComboBox.SelectedItem == null) {
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return null; // still initializing
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}
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return new MultiLineComment(UserInput, RenderInBox,
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(int)maxWidthComboBox.SelectedItem);
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}
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}
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}
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