2019-07-15 01:12:03 +00:00
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/*
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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.Diagnostics;
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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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2019-07-20 20:28:10 +00:00
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namespace SourceGen.Tools.WpfGui {
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2019-07-15 01:12:03 +00:00
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/// <summary>
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/// ASCII chart.
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/// </summary>
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public partial class AsciiChart : Window {
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public enum ChartMode {
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Unknown = 0,
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Standard,
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High
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};
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public class ChartModeItem {
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public string Name { get; private set; }
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public ChartMode Mode { get; private set; }
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public ChartModeItem(string name, ChartMode mode) {
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Name = name;
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Mode = mode;
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}
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}
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public ChartModeItem[] ChartModeItems { get; private set; }
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public AsciiChart(Window owner) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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ChartModeItems = new ChartModeItem[] {
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new ChartModeItem((string)FindResource("str_Standard"), ChartMode.Standard),
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new ChartModeItem((string)FindResource("str_High"), ChartMode.High),
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};
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}
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public void Window_Loaded(object sender, RoutedEventArgs e) {
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// Restore chart mode setting.
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ChartMode mode = (ChartMode)AppSettings.Global.GetEnum(
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AppSettings.ASCCH_MODE, typeof(ChartMode), (int)ChartMode.Standard);
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int index = 0;
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for (int i = 0; i < ChartModeItems.Length; i++) {
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if (ChartModeItems[i].Mode == mode) {
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index = i;
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break;
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}
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}
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chartModeComboBox.SelectedIndex = index;
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// should call UpdateControls via SelectionChanged
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}
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// Catch ESC key.
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private void Window_KeyEventHandler(object sender, KeyEventArgs e) {
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if (e.Key == Key.Escape) {
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Close();
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}
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}
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private void ChartModeComboBox_SelectionChanged(object sender,
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SelectionChangedEventArgs e) {
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UpdateControls();
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}
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private void UpdateControls() {
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ChartModeItem item = (ChartModeItem)chartModeComboBox.SelectedItem;
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if (item == null) {
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// initializing
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return;
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}
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AppSettings.Global.SetEnum(AppSettings.ASCCH_MODE, typeof(ChartMode), (int)item.Mode);
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//
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// Draw box contents.
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//
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const string hdr = "Dec Hex Chr";
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const string div = " | ";
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const string eol = "\r\n";
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StringBuilder sb = new StringBuilder(
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(hdr.Length * 4 + div.Length * 3 + eol.Length) * 32);
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sb.Append(hdr);
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sb.Append(div);
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sb.Append(hdr);
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sb.Append(div);
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sb.Append(hdr);
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sb.Append(div);
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sb.Append(hdr);
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for (int i = 0; i < 32; i++) {
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2020-08-24 21:00:08 +00:00
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sb.Append(eol);
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2019-07-15 01:12:03 +00:00
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DrawEntry(item.Mode, i, sb);
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sb.Append(div);
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DrawEntry(item.Mode, i + 32, sb);
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sb.Append(div);
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DrawEntry(item.Mode, i + 64, sb);
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sb.Append(div);
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DrawEntry(item.Mode, i + 96, sb);
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}
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2020-08-24 21:00:08 +00:00
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sb.Append(eol); // easier to read the '_' at the bottom
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2019-07-15 01:12:03 +00:00
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chartTextBox.Text = sb.ToString();
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chartTextBox.SelectionStart = sb.Length;
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chartTextBox.SelectionLength = 0;
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}
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private void DrawEntry(ChartMode mode, int val, StringBuilder sb) {
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// Format is: Dec Hex Chr
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int modVal = (mode == ChartMode.High) ? val | 0x80 : val;
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sb.AppendFormat("{0,3:D} {1,3:X2} ", modVal, modVal);
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if (val < 0x20) {
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sb.Append('^');
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sb.Append((char)(val + 0x40));
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sb.Append(' ');
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} else if (val == 0x20) {
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sb.Append("' '");
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} else if (val < 0x7f) {
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sb.Append(' ');
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sb.Append((char)val);
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sb.Append(' ');
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} else {
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sb.Append("DEL");
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}
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}
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}
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}
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