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feature<Diff>: highlights differences for modified lines (both added and removed)

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This commit is contained in:
leo 2021-07-28 15:02:06 +08:00
parent 776defe6c3
commit 92de6f2b79
7 changed files with 142 additions and 29 deletions
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61
src/Views/Widgets/DiffViewer.xaml.cs
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@ -19,6 +19,9 @@ namespace SourceGit.Views.Widgets {
private static readonly Brush BG_ADDED = new SolidColorBrush(Color.FromArgb(60, 0, 255, 0));
private static readonly Brush BG_DELETED = new SolidColorBrush(Color.FromArgb(60, 255, 0, 0));
private static readonly Brush BG_NORMAL = Brushes.Transparent;
private static readonly Brush HL_ADDED = new SolidColorBrush(Color.FromArgb(100, 0, 255, 0));
private static readonly Brush HL_DELETED = new SolidColorBrush(Color.FromArgb(100, 255, 0, 0));
private static readonly Brush HL_NORMAL = Brushes.Transparent;
public class Option {
public string[] RevisionRange = new string[] { };
@ -29,13 +32,13 @@ namespace SourceGit.Views.Widgets {
}
public class Block {
public string Content { get; set; }
public Models.TextChanges.LineMode Mode { get; set; }
public Brush BG { get; set; }
public Brush FG { get; set; }
public FontStyle Style { get; set; }
public string OldLine { get; set; }
public string NewLine { get; set; }
public Controls.HighlightableTextBlock.Data Data { get; set; } = new Controls.HighlightableTextBlock.Data();
public bool IsContent {
get {
@ -216,14 +219,15 @@ namespace SourceGit.Views.Widgets {
foreach (var line in cachedTextChanges) {
var block = new Block();
block.Content = line.Content;
block.Mode = line.Mode;
block.BG = GetLineBackground(line);
block.FG = block.IsContent ? fgCommon : fgIndicator;
block.Style = block.IsContent ? FontStyles.Normal : FontStyles.Italic;
block.OldLine = line.OldLine;
block.NewLine = line.NewLine;
block.Data.Text = line.Content;
block.Data.HighlightBrush = GetLineHighlight(line);
block.Data.Highlights.AddRange(line.Highlights);
if (line.OldLine.Length > 0) lastOldLine = line.OldLine;
if (line.NewLine.Length > 0) lastNewLine = line.NewLine;
@ -278,13 +282,15 @@ namespace SourceGit.Views.Widgets {
foreach (var line in cachedTextChanges) {
var block = new Block();
block.Content = line.Content;
block.Mode = line.Mode;
block.BG = GetLineBackground(line);
block.FG = block.IsContent ? fgCommon : fgIndicator;
block.Style = block.IsContent ? FontStyles.Normal : FontStyles.Italic;
block.OldLine = line.OldLine;
block.NewLine = line.NewLine;
block.Data.Text = line.Content;
block.Data.HighlightBrush = GetLineHighlight(line);
block.Data.Highlights.AddRange(line.Highlights);
if (line.OldLine.Length > 0) lastOldLine = line.OldLine;
if (line.NewLine.Length > 0) lastNewLine = line.NewLine;
@ -369,13 +375,23 @@ namespace SourceGit.Views.Widgets {
}
}
private Brush GetLineHighlight(Models.TextChanges.Line line) {
switch (line.Mode) {
case Models.TextChanges.LineMode.Added:
return HL_ADDED;
case Models.TextChanges.LineMode.Deleted:
return HL_DELETED;
default:
return HL_NORMAL;
}
}
private void FillEmptyLines(List<Block> old, List<Block> cur) {
if (old.Count < cur.Count) {
int diff = cur.Count - old.Count;
for (int i = 0; i < diff; i++) {
var empty = new Block();
empty.Content = "";
empty.Mode = Models.TextChanges.LineMode.None;
empty.BG = BG_EMPTY;
empty.FG = Brushes.Transparent;
@ -389,7 +405,6 @@ namespace SourceGit.Views.Widgets {
for (int i = 0; i < diff; i++) {
var empty = new Block();
empty.Content = "";
empty.Mode = Models.TextChanges.LineMode.None;
empty.BG = BG_EMPTY;
empty.FG = Brushes.Transparent;
@ -432,7 +447,7 @@ namespace SourceGit.Views.Widgets {
if (block == null) continue;
if (!block.IsContent) continue;
builder.Append(block.Content);
builder.Append(block.Data.Text);
builder.AppendLine();
}
@ -447,27 +462,21 @@ namespace SourceGit.Views.Widgets {
grid.Columns.Add(colLineNumber);
}
var borderContent = new FrameworkElementFactory(typeof(Border));
borderContent.SetBinding(Border.BackgroundProperty, new Binding("BG"));
var textContent = new FrameworkElementFactory(typeof(TextBlock));
textContent.SetBinding(TextBlock.TextProperty, new Binding("Content"));
textContent.SetBinding(TextBlock.ForegroundProperty, new Binding("FG"));
textContent.SetBinding(TextBlock.FontStyleProperty, new Binding("Style"));
textContent.SetValue(TextBlock.BackgroundProperty, Brushes.Transparent);
textContent.SetValue(TextBlock.FontSizeProperty, new FontSizeConverter().ConvertFrom("9pt"));
textContent.SetValue(TextBlock.MarginProperty, new Thickness(0));
textContent.SetValue(TextBlock.PaddingProperty, new Thickness(4, 0, 0, 0));
textContent.SetValue(TextOptions.TextFormattingModeProperty, TextFormattingMode.Display);
textContent.SetValue(TextOptions.TextRenderingModeProperty, TextRenderingMode.ClearType);
var visualTree = new FrameworkElementFactory(typeof(Grid));
visualTree.AppendChild(borderContent);
visualTree.AppendChild(textContent);
var line = new FrameworkElementFactory(typeof(Controls.HighlightableTextBlock));
line.SetBinding(Controls.HighlightableTextBlock.ContentProperty, new Binding("Data"));
line.SetBinding(TextBlock.BackgroundProperty, new Binding("BG"));
line.SetBinding(TextBlock.ForegroundProperty, new Binding("FG"));
line.SetBinding(TextBlock.FontStyleProperty, new Binding("Style"));
line.SetValue(TextBlock.FontSizeProperty, new FontSizeConverter().ConvertFrom("9pt"));
line.SetValue(TextBlock.MarginProperty, new Thickness(0));
line.SetValue(TextBlock.PaddingProperty, new Thickness(4, 0, 0, 0));
line.SetValue(TextBlock.LineHeightProperty, 16.0);
line.SetValue(TextOptions.TextFormattingModeProperty, TextFormattingMode.Display);
line.SetValue(TextOptions.TextRenderingModeProperty, TextRenderingMode.ClearType);
var colContent = new DataGridTemplateColumn();
colContent.CellTemplate = new DataTemplate();
colContent.CellTemplate.VisualTree = visualTree;
colContent.CellTemplate.VisualTree = line;
colContent.Width = DataGridLength.SizeToCells;
grid.Columns.Add(colContent);
@ -567,7 +576,7 @@ namespace SourceGit.Views.Widgets {
if (block == null) continue;
if (!block.IsContent) continue;
builder.Append(block.Content);
builder.Append(block.Data.Text);
builder.AppendLine();
}