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fix: type chooser SVG icons and gutter scale with editor zoom level

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Derive icon size, gutter width, and icon column width from font
metrics instead of hardcoded 16/10/20 pixel values. Popup width
calculation also scales with font.
This commit is contained in:
IChooseYou
2026-02-18 09:47:25 -07:00
parent 1cccd320b0
commit b1d3e52204
2 changed files with 110 additions and 8 deletions
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94
tests/test_type_selector.cpp
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@@ -793,6 +793,100 @@ private slots:
delete splitter;
delete doc;
}
// ── Test: SVG icon and gutter scale with font size ──
void testDelegateIconScalesWithFont() {
// Create a popup and set two different font sizes.
// The delegate sizeHint row height should scale with font.
TypeSelectorPopup popup;
TypeEntry prim;
prim.entryKind = TypeEntry::Primitive;
prim.primitiveKind = NodeKind::Int32;
prim.displayName = QStringLiteral("int32_t");
TypeEntry comp;
comp.entryKind = TypeEntry::Composite;
comp.structId = 100;
comp.displayName = QStringLiteral("TestStruct");
comp.classKeyword = QStringLiteral("struct");
// Small font
QFont small(QStringLiteral("Consolas"), 9);
popup.setFont(small);
popup.setTypes({prim, comp});
popup.popup(QPoint(-9999, -9999)); // offscreen
QApplication::processEvents();
auto* listView = popup.findChild<QListView*>();
QVERIFY(listView);
auto* delegate = listView->itemDelegate();
QVERIFY(delegate);
// Find first non-section row for consistent measurement
int dataRow = -1;
for (int i = 0; i < listView->model()->rowCount(); i++) {
QSize h = delegate->sizeHint(QStyleOptionViewItem(), listView->model()->index(i, 0));
// Non-section rows are taller (font.height + 8 vs + 2)
if (h.height() > QFontMetrics(small).height() + 4) { dataRow = i; break; }
}
QVERIFY2(dataRow >= 0, "Should find a non-section row");
QSize smallHint = delegate->sizeHint(QStyleOptionViewItem(), listView->model()->index(dataRow, 0));
popup.hide();
// Large font (simulates zoomed editor)
QFont large(QStringLiteral("Consolas"), 18);
popup.setFont(large);
popup.setTypes({prim, comp});
popup.popup(QPoint(-9999, -9999));
QApplication::processEvents();
QSize largeHint = delegate->sizeHint(QStyleOptionViewItem(), listView->model()->index(dataRow, 0));
popup.hide();
// Large font should produce taller rows than small font
QVERIFY2(largeHint.height() > smallHint.height(),
qPrintable(QString("Large hint %1 should be > small hint %2")
.arg(largeHint.height()).arg(smallHint.height())));
// The ratio should roughly match the font size ratio (18/9 = 2x)
double ratio = double(largeHint.height()) / double(smallHint.height());
QVERIFY2(ratio > 1.4, qPrintable(QString("Row height ratio %1 should be > 1.4").arg(ratio)));
}
void testPopupWidthScalesWithFont() {
TypeSelectorPopup popup;
TypeEntry comp;
comp.entryKind = TypeEntry::Composite;
comp.structId = 100;
comp.displayName = QStringLiteral("MyLongStructName");
comp.classKeyword = QStringLiteral("struct");
popup.setTypes({comp});
// Small font
QFont small(QStringLiteral("Consolas"), 9);
popup.setFont(small);
popup.popup(QPoint(-9999, -9999));
QApplication::processEvents();
int smallW = popup.width();
popup.hide();
// Large font
QFont large(QStringLiteral("Consolas"), 18);
popup.setFont(large);
popup.setTypes({comp});
popup.popup(QPoint(-9999, -9999));
QApplication::processEvents();
int largeW = popup.width();
popup.hide();
// Popup with larger font should be wider
QVERIFY2(largeW > smallW,
qPrintable(QString("Large popup width %1 should be > small %2")
.arg(largeW).arg(smallW)));
}
};
QTEST_MAIN(TestTypeSelector)