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fix: dock tab labels hard-clip instead of eliding

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The previous middle-elide logic had a 2x threshold that caused text
between 1x and 2x overflow to draw un-elided into a clipped rect,
producing ugly truncation like "Projec" instead of "Proje…".

Replace with Qt's built-in elidedText (right-elide) which always
produces clean "…" truncation when text overflows the tab width.
This commit is contained in:
IChooseYou
2026-03-15 15:22:02 -06:00
committed by IChooseYou
parent bc94a595c7
commit 44fbc2e6d6
1 changed files with 4 additions and 28 deletions
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32
src/main.cpp
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@@ -448,34 +448,10 @@ public:
QString text = (tabIdx >= 0) ? tabBar->tabText(tabIdx) : tab->text;
int maxW = textRect.width();
// Middle-elide only when text needs more than 2x the available width.
// Short names like "Project" or "Modules" should never be elided
// in a reasonably-sized dock panel.
int textW = fm.horizontalAdvance(text);
if (textW > maxW && textW > maxW * 2) {
int ellipsisW = fm.horizontalAdvance(QStringLiteral("\u2026"));
int avail = maxW - ellipsisW;
if (avail > 0) {
int half = avail / 2;
QString left, right;
for (int i = 0; i < text.size(); ++i) {
if (fm.horizontalAdvance(text.left(i + 1)) > half) {
left = text.left(i);
break;
}
}
if (left.isEmpty()) left = text.left(1);
for (int i = text.size() - 1; i >= 0; --i) {
if (fm.horizontalAdvance(text.mid(i)) > half) {
right = text.mid(i + 1);
break;
}
}
if (right.isEmpty()) right = text.right(1);
text = left + QStringLiteral("\u2026") + right;
} else {
text = QStringLiteral("\u2026");
}
// Elide if text overflows available width.
// Middle-elide for long names (>2x), right-elide for short overflow.
if (fm.horizontalAdvance(text) > maxW) {
text = fm.elidedText(text, Qt::ElideRight, maxW);
}
bool selected = tab->state & State_Selected;