// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute // SPDX-License-Identifier: GPL-3.0-only #include "ToolbarIcons.h" #include #include #include #include namespace { constexpr int S = 32; const QColor INK("#2B2B2B"); const QColor DISABLED("#9AA6B3"); using DrawFn = std::function; QPixmap render(const DrawFn &fn, const QColor &color) { QPixmap pm(S, S); pm.fill(Qt::transparent); QPainter p(&pm); p.setRenderHint(QPainter::Antialiasing); fn(p, color); return pm; } // Toggle-capable icon: ink when off, white when on (checked, navy background), grey when disabled. QIcon toggleIcon(const DrawFn &fn) { QIcon ic; ic.addPixmap(render(fn, INK), QIcon::Normal, QIcon::Off); ic.addPixmap(render(fn, Qt::white), QIcon::Normal, QIcon::On); ic.addPixmap(render(fn, Qt::white), QIcon::Active, QIcon::On); ic.addPixmap(render(fn, DISABLED), QIcon::Disabled, QIcon::Off); return ic; } void fillTriangle(QPainter &p, const QColor &c, QPointF a, QPointF b, QPointF tip) { p.setPen(Qt::NoPen); p.setBrush(c); p.drawPolygon(QPolygonF({a, b, tip})); } void bar(QPainter &p, const QColor &c, double x) { p.setPen(Qt::NoPen); p.setBrush(c); p.drawRoundedRect(QRectF(x, 9, 3.2, 14), 1.2, 1.2); } // A pair of curved arrows forming a refresh/sync ring. void syncArrows(QPainter &p, const QColor &c) { QPen pen(c, 2.4, Qt::SolidLine, Qt::RoundCap); p.setPen(pen); p.setBrush(Qt::NoBrush); const QRectF r(9, 9, 14, 14); p.drawArc(r, 40 * 16, 230 * 16); p.drawArc(r, (40 + 180) * 16, 230 * 16); // arrowheads at the two open ends p.setPen(Qt::NoPen); p.setBrush(c); p.drawPolygon(QPolygonF({QPointF(22, 7.5), QPointF(22, 13.5), QPointF(17.5, 11)})); p.drawPolygon(QPolygonF({QPointF(10, 24.5), QPointF(10, 18.5), QPointF(14.5, 21)})); } } namespace ToolbarIcons { QIcon first() { return toggleIcon([](QPainter &p, const QColor &c) { bar(p, c, 9); fillTriangle(p, c, {24, 9}, {24, 23}, {14, 16}); }); } QIcon prev() { return toggleIcon([](QPainter &p, const QColor &c) { fillTriangle(p, c, {22, 8}, {22, 24}, {11, 16}); }); } QIcon next() { return toggleIcon([](QPainter &p, const QColor &c) { fillTriangle(p, c, {10, 8}, {10, 24}, {21, 16}); }); } QIcon last() { return toggleIcon([](QPainter &p, const QColor &c) { fillTriangle(p, c, {8, 9}, {8, 23}, {18, 16}); bar(p, c, 19.8); }); } QIcon movie() { return toggleIcon([](QPainter &p, const QColor &c) { // Two reels on top of a camera body with a lens barrel — an old-fashioned movie camera. p.setBrush(Qt::NoBrush); p.setPen(QPen(c, 1.8)); p.drawEllipse(QPointF(10, 11.5), 3.0, 3.0); p.drawEllipse(QPointF(16.5, 11.5), 3.0, 3.0); p.setPen(Qt::NoPen); p.setBrush(c); p.drawRoundedRect(QRectF(5, 15, 16, 10), 2, 2); p.drawRoundedRect(QRectF(21, 17, 5, 6), 1, 1); // lens barrel }); } QIcon openFile() { return toggleIcon([](QPainter &p, const QColor &c) { // 3.5" diskette ("save" floppy): square jacket with a cut top-right corner, the metal // shutter across the top, and a label panel below. p.setPen(QPen(c, 1.8)); p.setBrush(Qt::NoBrush); QPolygonF body({{6, 6}, {20, 6}, {26, 12}, {26, 26}, {6, 26}}); p.drawPolygon(body); // jacket p.setPen(Qt::NoPen); p.setBrush(c); p.drawRect(QRectF(10, 6, 8, 5.5)); // metal shutter (top) p.setBrush(Qt::NoBrush); p.setPen(QPen(c, 1.6)); p.drawRect(QRectF(9.5, 15.5, 13, 8.5)); // label panel }); } QIcon reanalyzeImage() { return toggleIcon([](QPainter &p, const QColor &c) { p.setPen(QPen(c, 2.0)); p.setBrush(Qt::NoBrush); p.drawRoundedRect(QRectF(8, 8, 16, 16), 2.5, 2.5); p.setBrush(c); p.drawEllipse(QPointF(16, 16), 2.2, 2.2); }); } QIcon reanalyzeDataset() { return toggleIcon([](QPainter &p, const QColor &c) { p.setPen(QPen(c, 2.0)); p.setBrush(Qt::NoBrush); for (int i = 2; i >= 0; --i) p.drawRoundedRect(QRectF(5 + i * 4.0, 5 + i * 4.0, 14, 14), 2.0, 2.0); p.setBrush(c); p.drawEllipse(QPointF(12, 12), 2.0, 2.0); }); } QIcon linePlot() { return toggleIcon([](QPainter &p, const QColor &c) { // L-shaped axes + a rising zig-zag data line (a line plot, not bars). p.setBrush(Qt::NoBrush); p.setPen(QPen(c, 1.6, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); p.drawPolyline(QPolygonF({{7, 6}, {7, 25}, {26, 25}})); p.setPen(QPen(c, 2.0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); p.drawPolyline(QPolygonF({{9, 21}, {14, 13}, {18, 17}, {25, 8}})); }); } QIcon table() { return toggleIcon([](QPainter &p, const QColor &c) { // Rounded outer frame with two inner row lines and two inner column lines. p.setBrush(Qt::NoBrush); p.setPen(QPen(c, 1.8)); p.drawRoundedRect(QRectF(6, 7, 20, 18), 2, 2); p.setPen(QPen(c, 1.4)); p.drawLine(QPointF(6, 13), QPointF(26, 13)); p.drawLine(QPointF(6, 19), QPointF(26, 19)); p.drawLine(QPointF(12.7, 7), QPointF(12.7, 25)); p.drawLine(QPointF(19.3, 7), QPointF(19.3, 25)); }); } QIcon httpSync(HttpState state) { QColor dot; switch (state) { case HttpState::Disconnected: dot = QColor("#9AA6B3"); break; // grey case HttpState::Live: dot = QColor("#5CB85C"); break; // green case HttpState::Frozen: dot = QColor("#E9A23B"); break; // amber } auto draw = [dot](QPainter &p, const QColor &c) { syncArrows(p, c); p.setPen(QPen(Qt::white, 1.2)); p.setBrush(dot); p.drawEllipse(QPointF(24, 24), 4.2, 4.2); // status dot }; QIcon ic; ic.addPixmap(render(draw, INK), QIcon::Normal, QIcon::Off); ic.addPixmap(render(draw, DISABLED), QIcon::Disabled, QIcon::Off); return ic; } QString buttonStyle() { return QStringLiteral( "QToolButton { border:none; border-radius:4px; padding:4px 6px; color:#2B2B2B;" " background:transparent; }" " QToolButton:hover { background:rgba(250,114,104,0.20); }" " QToolButton:checked { background:#1F3A5F; color:white; }" " QToolButton:disabled { color:#9AA6B3; }"); } } // namespace ToolbarIcons