Better Highlights (#1320)
* Support for user-defined sounds and colors * Make color & sound columns selectable * Add custom row for subscription highlights * Add subscriptions to custom highlights and centrally manage highlight colors * Dynamically update message highlight colors
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Leon Richardt
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "widgets/helper/QColorPicker.hpp"
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#include <qdrawutil.h>
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/*
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* These classes are literally copied from the Qt source.
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* Unfortunately, they are private to the QColorDialog class so we cannot use
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* them directly.
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* If they become public at any point in the future, it should be possible to
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* replace every include of this header with the respective includes for the
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* QColorPicker, QColorLuminancePicker, and QColSpinBox classes.
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*/
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namespace chatterino {
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int QColorLuminancePicker::y2val(int y)
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{
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int d = height() - 2 * coff - 1;
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return 255 - (y - coff) * 255 / d;
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}
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int QColorLuminancePicker::val2y(int v)
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{
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int d = height() - 2 * coff - 1;
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return coff + (255 - v) * d / 255;
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}
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QColorLuminancePicker::QColorLuminancePicker(QWidget *parent)
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: QWidget(parent)
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{
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hue = 100;
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val = 100;
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sat = 100;
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pix = 0;
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setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
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}
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QColorLuminancePicker::~QColorLuminancePicker()
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{
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delete pix;
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}
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void QColorLuminancePicker::mouseMoveEvent(QMouseEvent *m)
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{
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setVal(y2val(m->y()));
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}
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void QColorLuminancePicker::mousePressEvent(QMouseEvent *m)
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{
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setVal(y2val(m->y()));
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}
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void QColorLuminancePicker::setVal(int v)
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{
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if (val == v)
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return;
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val = qMax(0, qMin(v, 255));
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delete pix;
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pix = 0;
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repaint();
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emit newHsv(hue, sat, val);
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}
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//receives from a hue,sat chooser and relays.
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void QColorLuminancePicker::setCol(int h, int s)
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{
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setCol(h, s, val);
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emit newHsv(h, s, val);
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}
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QSize QColorLuminancePicker::sizeHint() const
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{
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return QSize(LUMINANCE_PICKER_WIDTH, LUMINANCE_PICKER_HEIGHT);
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}
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void QColorLuminancePicker::paintEvent(QPaintEvent *)
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{
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int w = width() - 5;
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QRect r(0, foff, w, height() - 2 * foff);
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int wi = r.width() - 2;
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int hi = r.height() - 2;
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if (!pix || pix->height() != hi || pix->width() != wi)
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{
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delete pix;
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QImage img(wi, hi, QImage::Format_RGB32);
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int y;
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uint *pixel = (uint *)img.scanLine(0);
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for (y = 0; y < hi; y++)
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{
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uint *end = pixel + wi;
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std::fill(pixel, end,
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QColor::fromHsv(hue, sat, y2val(y + coff)).rgb());
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pixel = end;
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}
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pix = new QPixmap(QPixmap::fromImage(img));
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}
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QPainter p(this);
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p.drawPixmap(1, coff, *pix);
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const QPalette &g = palette();
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qDrawShadePanel(&p, r, g, true);
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p.setPen(g.windowText().color());
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p.setBrush(g.windowText());
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QPolygon a;
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int y = val2y(val);
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a.setPoints(3, w, y, w + 5, y + 5, w + 5, y - 5);
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p.eraseRect(w, 0, 5, height());
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p.drawPolygon(a);
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}
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void QColorLuminancePicker::setCol(int h, int s, int v)
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{
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val = v;
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hue = h;
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sat = s;
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delete pix;
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pix = 0;
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repaint();
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}
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QPoint QColorPicker::colPt()
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{
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QRect r = contentsRect();
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return QPoint((360 - hue) * (r.width() - 1) / 360,
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(255 - sat) * (r.height() - 1) / 255);
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}
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int QColorPicker::huePt(const QPoint &pt)
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{
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QRect r = contentsRect();
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return 360 - pt.x() * 360 / (r.width() - 1);
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}
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int QColorPicker::satPt(const QPoint &pt)
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{
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QRect r = contentsRect();
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return 255 - pt.y() * 255 / (r.height() - 1);
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}
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void QColorPicker::setCol(const QPoint &pt)
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{
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setCol(huePt(pt), satPt(pt));
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}
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QColorPicker::QColorPicker(QWidget *parent)
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: QFrame(parent)
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, crossVisible(true)
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{
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hue = 0;
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sat = 0;
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setCol(150, 255);
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setAttribute(Qt::WA_NoSystemBackground);
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setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
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}
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QColorPicker::~QColorPicker()
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{
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}
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void QColorPicker::setCrossVisible(bool visible)
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{
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if (crossVisible != visible)
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{
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crossVisible = visible;
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update();
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}
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}
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QSize QColorPicker::sizeHint() const
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{
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return QSize(COLOR_PICKER_WIDTH, COLOR_PICKER_HEIGHT);
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}
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void QColorPicker::setCol(int h, int s)
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{
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int nhue = qMin(qMax(0, h), 359);
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int nsat = qMin(qMax(0, s), 255);
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if (nhue == hue && nsat == sat)
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return;
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QRect r(colPt(), QSize(20, 20));
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hue = nhue;
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sat = nsat;
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r = r.united(QRect(colPt(), QSize(20, 20)));
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r.translate(contentsRect().x() - 9, contentsRect().y() - 9);
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repaint(r);
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}
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void QColorPicker::mouseMoveEvent(QMouseEvent *m)
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{
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QPoint p = m->pos() - contentsRect().topLeft();
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setCol(p);
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emit newCol(hue, sat);
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}
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void QColorPicker::mousePressEvent(QMouseEvent *m)
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{
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QPoint p = m->pos() - contentsRect().topLeft();
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setCol(p);
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emit newCol(hue, sat);
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}
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void QColorPicker::paintEvent(QPaintEvent *)
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{
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QPainter p(this);
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drawFrame(&p);
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QRect r = contentsRect();
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p.drawPixmap(r.topLeft(), pix);
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if (crossVisible)
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{
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QPoint pt = colPt() + r.topLeft();
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p.setPen(Qt::black);
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p.fillRect(pt.x() - 9, pt.y(), 20, 2, Qt::black);
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p.fillRect(pt.x(), pt.y() - 9, 2, 20, Qt::black);
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}
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}
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void QColorPicker::resizeEvent(QResizeEvent *ev)
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{
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QFrame::resizeEvent(ev);
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int w = width() - frameWidth() * 2;
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int h = height() - frameWidth() * 2;
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QImage img(w, h, QImage::Format_RGB32);
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int x, y;
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uint *pixel = (uint *)img.scanLine(0);
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for (y = 0; y < h; y++)
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{
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const uint *end = pixel + w;
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x = 0;
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while (pixel < end)
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{
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QPoint p(x, y);
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QColor c;
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c.setHsv(huePt(p), satPt(p), 200);
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*pixel = c.rgb();
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++pixel;
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++x;
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}
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}
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pix = QPixmap::fromImage(img);
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}
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QColSpinBox::QColSpinBox(QWidget *parent)
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: QSpinBox(parent)
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{
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this->setRange(0, 255);
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}
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void QColSpinBox::setValue(int i)
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{
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const QSignalBlocker blocker(this);
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QSpinBox::setValue(i);
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}
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} // namespace chatterino
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