Link @1234 type text to EIDs in the comments viewer

2026-05-04 17:10:47 +00:00 · 2020-10-23 13:57:27 +01:00
parent 9779c56333
commit 369120cddf
4 changed files with 130 additions and 23 deletions
@@ -29,6 +29,8 @@
 #include "scintilla/include/qt/ScintillaEdit.h"
 #include "ui_CommentView.h"

+static const sptr_t link_style = 100;
+
 CommentView::CommentView(ICaptureContext &ctx, QWidget *parent)
    : QFrame(parent), ui(new Ui::CommentView), m_Ctx(ctx)
 {
@@ -47,22 +49,67 @@ CommentView::CommentView(ICaptureContext &ctx, QWidget *parent)

  ConfigureSyntax(m_commentsEditor, SCLEX_NULL);

-  QObject::connect(m_commentsEditor, &ScintillaEdit::modified, [this](int type, int, int, int,
-                                                                      const QByteArray &, int, int,
-                                                                      int) {
+  QObject::connect(
+      m_commentsEditor, &ScintillaEdit::modified,
+      [this](int type, int position, int length, int, const QByteArray &, int, int, int) {

-    if(m_ignoreModifications)
-      return;
+        // if there has been a change, restyle the region around the modification. We can't use just
+        // word boundaries so search back to the last whitespace character - this means we will
+        // restyle at most a line, likely much less.
+        if(type & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT))
+        {
+          int start = m_commentsEditor->wordStartPosition(position, false);
+          while(!isspace(m_commentsEditor->charAt(start)) && start > 0)
+            start--;
+          int end = m_commentsEditor->wordEndPosition(position + length, false);
+          while(!isspace(m_commentsEditor->charAt(end)) && end < m_commentsEditor->length())
+            end++;

-    if(type & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT | SC_MOD_BEFOREINSERT | SC_MOD_BEFOREDELETE))
-    {
-      QString text = QString::fromUtf8(m_commentsEditor->getText(m_commentsEditor->textLength() + 1));
-      text.remove(QLatin1Char('\r'));
-      m_ignoreModifications = true;
-      m_Ctx.SetNotes(lit("comments"), text);
-      m_ignoreModifications = false;
-    }
-  });
+          if(start < 0)
+            start = 0;
+          if(end < 0 || end > m_commentsEditor->length())
+            end = m_commentsEditor->length();
+
+          Restyle(start, end);
+        }
+
+        if(m_ignoreModifications)
+          return;
+
+        if(type & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT | SC_MOD_BEFOREINSERT | SC_MOD_BEFOREDELETE))
+        {
+          QString text =
+              QString::fromUtf8(m_commentsEditor->getText(m_commentsEditor->textLength() + 1));
+          text.remove(QLatin1Char('\r'));
+          m_ignoreModifications = true;
+          m_Ctx.SetNotes(lit("comments"), text);
+          m_ignoreModifications = false;
+        }
+      });
+
+  m_commentsEditor->styleSetHotSpot(link_style, true);
+  m_commentsEditor->styleSetFore(link_style, SCINTILLA_COLOUR(0, 0, 255));
+
+  QObject::connect(
+      m_commentsEditor, &ScintillaEdit::hotSpotClick, [this](int position, int modifiers) {
+        int start = position;
+        while(m_commentsEditor->styleAt(start - 1) == link_style)
+          start--;
+        int end = position;
+        while(m_commentsEditor->styleAt(end + 1) == link_style)
+          end++;
+
+        QString eventLink = QString::fromLatin1(m_commentsEditor->get_text_range(start, end + 1));
+
+        if(eventLink[0] == QLatin1Char('@'))
+        {
+          eventLink.remove(0, 1);
+          bool ok = false;
+          uint32_t EID = eventLink.toUInt(&ok);
+          if(ok)
+            m_Ctx.SetEventID({}, EID, EID);
+        }
+      });

  ui->mainLayout->addWidget(m_commentsEditor);

@@ -81,15 +128,13 @@ CommentView::~CommentView()

 void CommentView::OnCaptureClosed()
 {
+  SetComments(rdcstr());
  m_ignoreModifications = true;
-  m_commentsEditor->setText("");
-  m_commentsEditor->emptyUndoBuffer();
 }

 void CommentView::OnCaptureLoaded()
 {
-  m_commentsEditor->setText(m_Ctx.GetNotes("comments").c_str());
-  m_commentsEditor->emptyUndoBuffer();
+  SetComments(m_Ctx.GetNotes("comments"));
  m_ignoreModifications = false;
 }

@@ -98,14 +143,50 @@ void CommentView::OnEventChanged(uint32_t eventId)
  if(m_ignoreModifications)
    return;

-  QString oldText = QString::fromUtf8(m_commentsEditor->getText(m_commentsEditor->textLength() + 1));
+  QString oldText = GetComments();
  QString newText = m_Ctx.GetNotes("comments");

  if(oldText != newText)
+    SetComments(newText);
+}
+
+void CommentView::Restyle(int start, int end)
+{
+  m_commentsEditor->startStyling(start, 0);
+  m_commentsEditor->setStyling(end - start, STYLE_DEFAULT);
+
+  static QRegularExpression event_links(lit("(\\b|\\s|^)(@\\d+)\\b"));
+
+  QString t(GetComments());
+
+  QRegularExpressionMatch match = event_links.match(t, start);
+
+  while(match.hasMatch())
  {
-    m_ignoreModifications = true;
-    m_commentsEditor->setText(newText.toUtf8().data());
-    m_commentsEditor->emptyUndoBuffer();
-    m_ignoreModifications = false;
+    sptr_t offset = match.capturedStart(2);
+
+    if(offset > end)
+      break;
+
+    m_commentsEditor->startStyling(offset, 0);
+    m_commentsEditor->setStyling(match.capturedLength(2), link_style);
+
+    match = event_links.match(t, offset + 1);
  }
 }
+
+void CommentView::SetComments(const rdcstr &text)
+{
+  m_ignoreModifications = true;
+  m_commentsEditor->setText(text.c_str());
+
+  Restyle(0, m_commentsEditor->length());
+
+  m_commentsEditor->emptyUndoBuffer();
+  m_ignoreModifications = false;
+}
+
+rdcstr CommentView::GetComments()
+{
+  return QString::fromUtf8(m_commentsEditor->getText(m_commentsEditor->textLength() + 1));
+}