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fix: add missing header declarations and editor scroll fixes

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- mainwindow.h: add m_viewBtnGroup, m_btnReclass, m_btnRendered members,
  syncViewButtons() declaration, QButtonGroup/QPushButton includes,
  remove applyTabWidgetStyle() declaration
- editor.cpp: reset xOffset on applyDocument, clamp in restoreViewState
- test_editor.cpp: add horizontal scroll reset test
This commit is contained in:
IChooseYou
2026-02-20 13:22:23 -07:00
parent 3b1fe7ff35
commit 5fa1dd0ab4
3 changed files with 365 additions and 3 deletions
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13
src/editor.cpp
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@@ -808,6 +808,10 @@ void RcxEditor::applyDocument(const ComposeResult& result) {
int pixelWidth = fm.horizontalAdvance(QString(maxLen, QChar('0')));
m_sci->SendScintilla(QsciScintillaBase::SCI_SETSCROLLWIDTH,
(unsigned long)qMax(1, pixelWidth));
// Reset horizontal scroll to 0. The controller's restoreViewState()
// will set it back to the (clamped) saved position afterward.
m_sci->SendScintilla(QsciScintillaBase::SCI_SETXOFFSET, (unsigned long)0);
}
// Force full re-lex to fix stale syntax coloring after edits
@@ -1130,8 +1134,13 @@ void RcxEditor::restoreViewState(const ViewState& vs) {
m_sci->SendScintilla(QsciScintillaBase::SCI_GOTOPOS, (unsigned long)pos);
m_sci->SendScintilla(QsciScintillaBase::SCI_SETFIRSTVISIBLELINE,
(unsigned long)vs.scrollLine);
m_sci->SendScintilla(QsciScintillaBase::SCI_SETXOFFSET,
(unsigned long)vs.xOffset);
// Clamp xOffset so it doesn't exceed the current content width.
// After a rename that shrinks content, the saved offset may be stale.
int scrollW = (int)m_sci->SendScintilla(QsciScintillaBase::SCI_GETSCROLLWIDTH);
int vpW = m_sci->viewport() ? m_sci->viewport()->width() : 0;
int maxXOff = qMax(0, scrollW - vpW);
int xOff = qBound(0, vs.xOffset, maxXOff);
m_sci->SendScintilla(QsciScintillaBase::SCI_SETXOFFSET, (unsigned long)xOff);
}
const LineMeta* RcxEditor::metaForLine(int line) const {