| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause |
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| 3 | |
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| 4 | #include <QtWidgets> |
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| 5 | |
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| 6 | #include "customstyle.h" |
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| 7 | |
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| 8 | CustomStyle::CustomStyle(const QWidget *widget) |
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| 9 | { |
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| 10 | //! [0] |
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| 11 | const QSpinBox *spinBox = qobject_cast<const QSpinBox *>(object: widget); |
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| 12 | if (spinBox) { |
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| 13 | //! [0] //! [1] |
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| 14 | } |
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| 15 | //! [1] |
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| 16 | } |
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| 17 | |
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| 18 | //! [2] |
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| 19 | void CustomStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option, |
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| 20 | QPainter *painter, const QWidget *widget) const |
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| 21 | { |
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| 22 | if (element == PE_IndicatorSpinUp || element == PE_IndicatorSpinDown) { |
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| 23 | QPolygon points(3); |
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| 24 | int x = option->rect.x(); |
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| 25 | int y = option->rect.y(); |
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| 26 | int w = option->rect.width() / 2; |
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| 27 | int h = option->rect.height() / 2; |
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| 28 | x += (option->rect.width() - w) / 2; |
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| 29 | y += (option->rect.height() - h) / 2; |
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| 30 | |
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| 31 | if (element == PE_IndicatorSpinUp) { |
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| 32 | points[0] = QPoint(x, y + h); |
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| 33 | points[1] = QPoint(x + w, y + h); |
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| 34 | points[2] = QPoint(x + w / 2, y); |
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| 35 | } else { // PE_SpinBoxDown |
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| 36 | points[0] = QPoint(x, y); |
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| 37 | points[1] = QPoint(x + w, y); |
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| 38 | points[2] = QPoint(x + w / 2, y + h); |
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| 39 | } |
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| 40 | |
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| 41 | if (option->state & State_Enabled) { |
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| 42 | painter->setPen(option->palette.mid().color()); |
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| 43 | painter->setBrush(option->palette.buttonText()); |
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| 44 | } else { |
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| 45 | painter->setPen(option->palette.buttonText().color()); |
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| 46 | painter->setBrush(option->palette.mid()); |
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| 47 | } |
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| 48 | painter->drawPolygon(polygon: points); |
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| 49 | } else { |
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| 50 | QProxyStyle::drawPrimitive(element, option, painter, widget); |
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| 51 | //! [2] //! [3] |
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| 52 | } |
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| 53 | //! [3] //! [4] |
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| 54 | } |
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| 55 | //! [4] |
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| 56 | |
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