6502bench/SourceGenWPF/WpfGui/EditAppSettings.xaml.cs

/*
 * Copyright 2019 faddenSoft
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;

using CommonUtil;

using AssemblerInfo = SourceGenWPF.AsmGen.AssemblerInfo;
using AssemblerConfig = SourceGenWPF.AsmGen.AssemblerConfig;
using ExpressionMode = Asm65.Formatter.FormatConfig.ExpressionMode;

namespace SourceGenWPF.WpfGui {
    /// <summary>
    /// Application settings dialog.
    /// </summary>
    public partial class EditAppSettings : Window, INotifyPropertyChanged {
        /// <summary>
        /// Reference to main window.  Needed for examination of the code list font and
        /// column widths.
        /// </summary>
        private MainWindow mMainWin;

        /// <summary>
        /// Reference to main controller.  Needed to push settings out when Apply/OK is clicked.
        /// </summary>
        private MainController mMainCtrl;

        /// <summary>
        /// Copy of settings that we make changes to.  On "Apply" or "OK", this is pushed
        /// into the global settings object, and applied to the ProjectView.
        /// </summary>
        private AppSettings mSettings;

        /// <summary>
        /// Dirty flag, set when anything in mSettings changes.
        /// </summary>
        public bool IsDirty {
            get { return mIsDirty; }
            set {
                mIsDirty = value;
                OnPropertyChanged();
            }
        }
        private bool mIsDirty;

        /// <summary>
        /// Tab page enumeration.  Numbers must match page indices in designer.
        /// </summary>
        public enum Tab {
            Unknown = -1,
            CodeView = 0,
            AsmConfig = 1,
            DisplayFormat = 2,
            PseudoOp = 3
        }

        /// <summary>
        /// Tab to show when dialog is first opened.
        /// </summary>
        private Tab mInitialTab;

        /// <summary>
        /// Assembler to initially select in combo boxes.
        /// </summary>
        private AssemblerInfo.Id mInitialAsmId;


        public event PropertyChangedEventHandler PropertyChanged;

        private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }


        public EditAppSettings(Window owner, MainWindow mainWin, MainController mainCtrl,
                Tab initialTab, AssemblerInfo.Id initialAsmId) {
            InitializeComponent();
            Owner = owner;
            DataContext = this;

            mMainWin = mainWin;
            mMainCtrl = mainCtrl;
            mInitialTab = initialTab;
            mInitialAsmId = initialAsmId;

            // Make a work copy, so we can discard changes if the user cancels out of the dialog.
            // Column width changes don't actively update settings, so grab them.
            mMainWin.CaptureColumnWidths();
            mSettings = AppSettings.Global.GetCopy();

            // Put column-width buttons in an array.
            mColButtons = new Button[] {
                showCol0, showCol1, showCol2, showCol3, showCol4,
                showCol5, showCol6, showCol7, showCol8 };
            Debug.Assert(NUM_COLUMNS == 9);

            // Extract format strings from column-width button labels.
            for (int i = 0; i < NUM_COLUMNS; i++) {
                //mColButtons[i].Click += ColumnVisibilityButtonClick;
                mColumnFormats[i] = (string) mColButtons[i].Content;
            }

#if false
            // Map text boxes to PseudoOpName fields.
            mPseudoNameMap = new TextBoxPropertyMap[] {
                new TextBoxPropertyMap(equDirectiveTextBox, "EquDirective"),
                new TextBoxPropertyMap(orgDirectiveTextBox, "OrgDirective"),
                new TextBoxPropertyMap(regWidthDirectiveTextBox, "RegWidthDirective"),
                new TextBoxPropertyMap(defineData1TextBox, "DefineData1"),
                new TextBoxPropertyMap(defineData2TextBox, "DefineData2"),
                new TextBoxPropertyMap(defineData3TextBox, "DefineData3"),
                new TextBoxPropertyMap(defineData4TextBox, "DefineData4"),
                new TextBoxPropertyMap(defineBigData2TextBox, "DefineBigData2"),
                new TextBoxPropertyMap(fillTextBox, "Fill"),
                new TextBoxPropertyMap(denseTextBox, "Dense"),
                new TextBoxPropertyMap(strGenericTextBox, "StrGeneric"),
                new TextBoxPropertyMap(strGenericHiTextBox, "StrGenericHi"),
                new TextBoxPropertyMap(strReverseTextBox, "StrReverse"),
                new TextBoxPropertyMap(strReverseHiTextBox, "StrReverseHi"),
                new TextBoxPropertyMap(strLen8TextBox, "StrLen8"),
                new TextBoxPropertyMap(strLen8HiTextBox, "StrLen8Hi"),
                new TextBoxPropertyMap(strLen16TextBox, "StrLen16"),
                new TextBoxPropertyMap(strLen16HiTextBox, "StrLen16Hi"),
                new TextBoxPropertyMap(strNullTermTextBox, "StrNullTerm"),
                new TextBoxPropertyMap(strNullTermHiTextBox, "StrNullTermHi"),
                new TextBoxPropertyMap(strDciTextBox, "StrDci"),
                new TextBoxPropertyMap(strDciHiTextBox, "StrDciHi"),
            };

            ConfigureComboBox(asmConfigComboBox);
            ConfigureComboBox(displayFmtQuickComboBox);
            ConfigureComboBox(pseudoOpQuickComboBox);

            expressionStyleComboBox.DisplayMember = "Name";
            foreach (ExpressionStyleItem esi in sExpStyleItems) {
                expressionStyleComboBox.Items.Add(esi);
            }
#endif
        }

        private void Window_Loaded(object sender, RoutedEventArgs e) {
            PrepCodeView();

#if false
            // Assemblers.
            PopulateAsmConfigItems();
            showAsmIdentCheckBox.Checked =
                mSettings.GetBool(AppSettings.SRCGEN_ADD_IDENT_COMMENT, false);
            disableLabelLocalizationCheckBox.Checked =
                mSettings.GetBool(AppSettings.SRCGEN_DISABLE_LABEL_LOCALIZATION, false);
            longLabelNewLineCheckBox.Checked =
                mSettings.GetBool(AppSettings.SRCGEN_LONG_LABEL_NEW_LINE, false);
            showCycleCountsCheckBox.Checked =
                mSettings.GetBool(AppSettings.SRCGEN_SHOW_CYCLE_COUNTS, false);

            // Pseudo ops.
            string opStrCereal = mSettings.GetString(AppSettings.FMT_PSEUDO_OP_NAMES, null);
            if (!string.IsNullOrEmpty(opStrCereal)) {
                PseudoOp.PseudoOpNames opNames = PseudoOp.PseudoOpNames.Deserialize(opStrCereal);
                ImportPseudoOpNames(opNames);
            } else {
                // no data available, populate with blanks
                //PseudoOp.PseudoOpNames opNames = PseudoOp.sDefaultPseudoOpNames;
                ImportPseudoOpNames(new PseudoOp.PseudoOpNames());
            }

            PopulateWidthDisamSettings();

            string exprMode = mSettings.GetString(AppSettings.FMT_EXPRESSION_MODE, string.Empty);
            ExpressionMode mode;
            if (!Enum.TryParse<ExpressionMode>(exprMode, out mode)) {
                mode = ExpressionMode.Common;
            }
            SetExpressionStyle(mode);
#endif

            switch (mInitialTab) {
                case Tab.CodeView:
                    tabControl.SelectedItem = codeViewTab;
                    break;
                case Tab.AsmConfig:
                    tabControl.SelectedItem = asmConfigTab;
                    break;
                case Tab.DisplayFormat:
                    tabControl.SelectedItem = displayFormatTab;
                    break;
                case Tab.PseudoOp:
                    tabControl.SelectedItem = pseudoOpTab;
                    break;
                case Tab.Unknown:
                    break;
                default:
                    Debug.Assert(false);
                    break;

            }

            // The various control initializers probably triggered events.  Reset the dirty flag.
            IsDirty = false;
        }

        private void OkButton_Click(object sender, RoutedEventArgs e) {
            ApplySettings();
            DialogResult = true;
        }

        private void ApplyButton_Click(object sender, RoutedEventArgs e) {
            ApplySettings();
        }

        private void ApplySettings() {
#if false
            PseudoOp.PseudoOpNames opNames = ExportPseudoOpNames();
            string pseudoCereal = opNames.Serialize();
            mSettings.SetString(AppSettings.FMT_PSEUDO_OP_NAMES, pseudoCereal);
#endif

            mMainCtrl.SetAppSettings(mSettings);
            AsmGen.AssemblerVersionCache.QueryVersions();
            IsDirty = false;
        }


        #region Code View

        private void PrepCodeView() {
            // Column widths.  We called CaptureColumnWidths() during init, so this
            // should always be a valid serialized string.
            string widthStr = mSettings.GetString(AppSettings.CDLV_COL_WIDTHS, null);
            Debug.Assert(!string.IsNullOrEmpty(widthStr));
            int[] widths = TextUtil.DeserializeIntArray(widthStr);
            Debug.Assert(widths != null);
            for (int i = 0; i < NUM_COLUMNS; i++) {
                SetShowHideButton(i, widths[i]);
            }

            // Set the string.  Note this shows what is currently set in the pending settings
            // object, *not* what's currently being rendered (until you hit Apply).
            string fontFamilyName = mSettings.GetString(AppSettings.CDLV_FONT_FAMILY, "BROKEN");
            int fontSize = mSettings.GetInt(AppSettings.CDLV_FONT_SIZE, 2);
            codeListFontDesc.Text = string.Format(Res.Strings.FONT_DESCRIPTOR_FMT,
                fontSize, fontFamilyName);

            // Upper-case formatting.
            UpperHexValues = mSettings.GetBool(AppSettings.FMT_UPPER_HEX_DIGITS, false);
            UpperOpcodes = mSettings.GetBool(AppSettings.FMT_UPPER_OP_MNEMONIC, false);
            UpperPseudoOps = mSettings.GetBool(AppSettings.FMT_UPPER_PSEUDO_OP_MNEMONIC, false);
            UpperOperandA = mSettings.GetBool(AppSettings.FMT_UPPER_OPERAND_A, false);
            UpperOperandS = mSettings.GetBool(AppSettings.FMT_UPPER_OPERAND_S, false);
            UpperOperandXY = mSettings.GetBool(AppSettings.FMT_UPPER_OPERAND_XY, false);

            int clipIndex = mSettings.GetEnum(AppSettings.CLIP_LINE_FORMAT,
                typeof(MainController.ClipLineFormat), 0);
            if (clipIndex >= 0 && clipIndex < clipboardFormatComboBox.Items.Count) {
                // NOTE: this couples the ClipLineFormat enum to the XAML.
                clipboardFormatComboBox.SelectedIndex = clipIndex;
            }

            SpacesBetweenBytes = mSettings.GetBool(AppSettings.FMT_SPACES_BETWEEN_BYTES, false);
            EnableDebugMenu = mSettings.GetBool(AppSettings.DEBUG_MENU_ENABLED, false);
        }

        // Map buttons to column show/hide buttons.
        private const int NUM_COLUMNS = (int)MainController.CodeListColumn.COUNT;
        private string[] mColumnFormats = new string[NUM_COLUMNS];
        private Button[] mColButtons;

        /// <summary>
        /// Updates the text on a show/hide column button.
        /// </summary>
        /// <param name="index">Column index.</param>
        /// <param name="width">New width.</param>
        private void SetShowHideButton(int index, int width) {
            Button button = mColButtons[index];
            string fmt = mColumnFormats[index];
            string show = Res.Strings.SHOW_COL;
            string hide = Res.Strings.HIDE_COL;
            button.Content = string.Format(fmt, (width == 0) ? show : hide);
        }

        private void ColumnVisibilityButton_Click(object sender, RoutedEventArgs e) {
            int index = -1;
            for (int i = 0; i < mColButtons.Length; i++) {
                if (sender == mColButtons[i]) {
                    index = i;
                    break;
                }
            }
            Debug.Assert(index != -1);

            string widthStr = mSettings.GetString(AppSettings.CDLV_COL_WIDTHS, null);
            Debug.Assert(!string.IsNullOrEmpty(widthStr));
            int[] widths = TextUtil.DeserializeIntArray(widthStr);
            if (widths[index] == 0) {
                // Expand to default width.  The default width changes when the font
                // changes, so it's best to just reacquire the default width set as needed.
                int[] defaultWidths = mMainWin.GetDefaultCodeListColumnWidths();
                widths[index] = defaultWidths[index];
            } else {
                widths[index] = 0;
            }
            widthStr = TextUtil.SerializeIntArray(widths);
            mSettings.SetString(AppSettings.CDLV_COL_WIDTHS, widthStr);
            SetShowHideButton(index, widths[index]);

            IsDirty = true;
        }

        private void SelectFontButton_Click(object sender, RoutedEventArgs e) {
            FontPicker dlg = new FontPicker(this,
                mSettings.GetString(AppSettings.CDLV_FONT_FAMILY, string.Empty),
                mSettings.GetInt(AppSettings.CDLV_FONT_SIZE, 12));
            if (dlg.ShowDialog() == true) {
                string familyName = dlg.SelectedFamily.ToString();
                mSettings.SetString(AppSettings.CDLV_FONT_FAMILY, familyName);
                mSettings.SetInt(AppSettings.CDLV_FONT_SIZE, dlg.SelectedSize);

                codeListFontDesc.Text = string.Format(Res.Strings.FONT_DESCRIPTOR_FMT,
                    dlg.SelectedSize, familyName);
                IsDirty = true;
            }
        }

        private bool mUpperHexValues;
        public bool UpperHexValues {
            get { return mUpperHexValues; }
            set {
                mUpperHexValues = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_HEX_DIGITS, value);
                IsDirty = true;
            }
        }
        private bool mUpperOpcodes;
        public bool UpperOpcodes {
            get { return mUpperOpcodes; }
            set {
                mUpperOpcodes = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_OP_MNEMONIC, value);
                IsDirty = true;
            }
        }
        private bool mUpperPseudoOps;
        public bool UpperPseudoOps {
            get { return mUpperPseudoOps; }
            set {
                mUpperPseudoOps = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_PSEUDO_OP_MNEMONIC, value);
                IsDirty = true;
            }
        }
        private bool mUpperOperandA;
        public bool UpperOperandA {
            get { return mUpperOperandA; }
            set {
                mUpperOperandA = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_OPERAND_A, value);
                IsDirty = true;
            }
        }
        private bool mUpperOperandS;
        public bool UpperOperandS {
            get { return mUpperOperandS; }
            set {
                mUpperOperandS = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_OPERAND_S, value);
                IsDirty = true;
            }
        }
        private bool mUpperOperandXY;
        public bool UpperOperandXY {
            get { return mUpperOperandXY; }
            set {
                mUpperOperandXY = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_UPPER_OPERAND_XY, value);
                IsDirty = true;
            }
        }

        private void AllLower_Click(object sender, RoutedEventArgs e) {
            UpperHexValues = UpperOpcodes = UpperPseudoOps =
                UpperOperandA = UpperOperandS = UpperOperandXY = false;
        }

        private void AllUpper_Click(object sender, RoutedEventArgs e) {
            UpperHexValues = UpperOpcodes = UpperPseudoOps =
                UpperOperandA = UpperOperandS = UpperOperandXY = true;
        }

        private void ClipboardFormatComboBox_SelectionChanged(object sender,
                SelectionChangedEventArgs e) {
            // NOTE: again, this ties the combo box index to the enum value
            mSettings.SetEnum(AppSettings.CLIP_LINE_FORMAT, typeof(MainController.ClipLineFormat),
                clipboardFormatComboBox.SelectedIndex);
            IsDirty = true;
        }

        private bool mSpacesBetweenBytes;
        public bool SpacesBetweenBytes {
            get { return mSpacesBetweenBytes; }
            set {
                mSpacesBetweenBytes = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.FMT_SPACES_BETWEEN_BYTES, value);
                IsDirty = true;
            }
        }

        private bool mEnableDebugMenu;
        public bool EnableDebugMenu {
            get { return mEnableDebugMenu; }
            set {
                mEnableDebugMenu = value;
                OnPropertyChanged();
                mSettings.SetBool(AppSettings.DEBUG_MENU_ENABLED, value);
                IsDirty = true;
            }
        }

        #endregion Code View

        #region Asm Config

        /// <summary>
        /// Holds an item for the assembler-selection combox box.
        /// </summary>
        private class AsmComboItem {
            // Enumerated ID.
            public AssemblerInfo.Id AssemblerId { get; private set; }

            // Human-readable name for display.
            public string Name { get; private set; }

            public AsmComboItem(AssemblerInfo info) {
                AssemblerId = info.AssemblerId;
                Name = info.Name;
            }
        }

        #endregion AsmConfig

        #region Display Format

        /// <summary>
        /// Holds an item for the expression style selection combo box.
        /// </summary>
        private struct ExpressionStyleItem {
            // Enumerated mode.
            public ExpressionMode ExpMode { get; private set; }

            // Human-readable name for display.
            public string Name { get; private set; }

            public ExpressionStyleItem(ExpressionMode expMode, string name) {
                ExpMode = expMode;
                Name = name;
            }
        }
        private static ExpressionStyleItem[] sExpStyleItems = new ExpressionStyleItem[] {
            new ExpressionStyleItem(ExpressionMode.Common, "Common"),
            new ExpressionStyleItem(ExpressionMode.Cc65, "cc65"),
            new ExpressionStyleItem(ExpressionMode.Merlin, "Merlin"),
        };

        #endregion Display Format

        #region PseudoOp

        /// <summary>
        /// Map pseudo-op text entry fields to PseudoOpName properties.
        /// </summary>
        private class TextBoxPropertyMap {
            public TextBox TextBox { get; private set; }
            public PropertyInfo PropInfo { get; private set; }

            public TextBoxPropertyMap(TextBox textBox, string propName) {
                TextBox = textBox;
                PropInfo = typeof(PseudoOp.PseudoOpNames).GetProperty(propName);
            }
        }
        private TextBoxPropertyMap[] mPseudoNameMap;

        #endregion PseudoOp
    }
}