Differential D14815 Diff 39661 libs/widgets/KisPaletteComboBox.cpp

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libs/widgets/KisPaletteComboBox.cpp

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1​/*
2​ * Copyright (c) 2018 Michael Zhou <simeirxh@gmail.com>
3​ *
4​ * This program is free software; you can redistribute it and/or modify
5​ * it under the terms of the GNU General Public License as published by
6​ * the Free Software Foundation; either version 2 of the License, or
7​ * (at your option) any later version.
8​ *
9​ * This program is distributed in the hope that it will be useful,
10​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
11​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12​ * GNU General Public License for more details.
13​ *
14​ * You should have received a copy of the GNU General Public License
15​ * along with this program; if not, write to the Free Software
16​ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17​ */
18​
19​// Qt
20​#include <QPainter>
21​#include <QPen>
22​#include <QVector>
23​#include <QCompleter>
24​
25​// STL
26​#include <algorithm>
27​
28​#include "kis_palette_view.h"
29​#include "KisPaletteComboBox.h"
30​
31​KisPaletteComboBox::KisPaletteComboBox(QWidget *parent)
32​ : QComboBox(parent)
33​ , m_model(Q_NULLPTR)
34​{
35​ setEditable(true);
36​ setInsertPolicy(NoInsert);
37​ completer()->setCompletionMode(QCompleter::PopupCompletion);
38​ completer()->setCaseSensitivity(Qt::CaseInsensitive);
39​ completer()->setFilterMode(Qt::MatchContains);
40​ connect(this, SIGNAL(currentIndexChanged(int)), SLOT(slotIndexUpdated(int)));
41​}
42​
43​KisPaletteComboBox::~KisPaletteComboBox()
44​{ }
45​
46​void KisPaletteComboBox::setPaletteModel(const KisPaletteModel *paletteModel)
47​{
48​ if (!m_model.isNull()) {
49​ m_model->disconnect(this);
50​ }
51​ m_model = paletteModel;
52​ if (m_model.isNull()) { return; }
53​ slotPaletteChanged();
54​ connect(m_model, SIGNAL(sigPaletteChanged()),
55​ SLOT(slotPaletteChanged()));
56​ connect(m_model, SIGNAL(sigPaletteModified()),
57​ SLOT(slotPaletteChanged()));
58​}
59​
60​void KisPaletteComboBox::setCompanionView(KisPaletteView *view)
61​{
62​ if (!m_view.isNull()) {
63​ m_view->disconnect(this);
64​ disconnect(m_view.data());
65​ }
66​ m_view = view;
67​ setPaletteModel(view->paletteModel());
68​ connect(view, SIGNAL(sigIndexSelected(QModelIndex)),
69​ SLOT(slotSwatchSelected(QModelIndex)));
70​ connect(this, SIGNAL(sigColorSelected(KoColor)),
71​ view, SLOT(slotFGColorChanged(KoColor)));
72​}
73​
74​void KisPaletteComboBox::slotPaletteChanged()
75​{
76​ clear();
77​ m_groupMapMap.clear();
78​ m_idxSwatchMap.clear();
79​
80​ if (QPointer<KoColorSet>(m_model->colorSet()).isNull()) { return; }
81​
82​ for (const QString &groupName : m_model->colorSet()->getGroupNames()) {
83​ QVector<SwatchInfoType> infoList;
84​ PosIdxMapType posIdxMap;
85​ const KisSwatchGroup *group = m_model->colorSet()->getGroup(groupName);
86​ for (const SwatchInfoType &info : group->infoList()) {
87​ infoList.append(info);
88​ }
89​ std::sort(infoList.begin(), infoList.end(), swatchInfoLess);
90​ for (const SwatchInfoType &info : infoList) {
91​ const KisSwatch &swatch = info.swatch;
92​ QString name = swatch.name();
93​ if (!swatch.id().isEmpty()){
94​ name = swatch.id() + " - " + swatch.name();
95​ }
96​ addItem(QIcon(createColorSquare(swatch)), name);
97​ posIdxMap[SwatchPosType(info.column, info.row)] = count() - 1;
98​ m_idxSwatchMap.push_back(swatch);
99​ }
100​ m_groupMapMap[group->name()] = posIdxMap;
101​ }
102​ if (m_view.isNull()) {
103​ setCurrentIndex(0);
104​ }
105​ QModelIndex idx = m_view->currentIndex();
106​ if (!idx.isValid()) { return; }
107​ if (qvariant_cast<bool>(idx.data(KisPaletteModel::IsGroupNameRole))) { return; }
108​ if (!qvariant_cast<bool>(idx.data(KisPaletteModel::CheckSlotRole))) { return; }
109​
110​ blockSignals(true); // this is a passive selection; this shouldn't make others change
111​ slotSwatchSelected(idx);
112​ blockSignals(false);
113​}
114​
115​bool KisPaletteComboBox::swatchInfoLess(const SwatchInfoType &first, const SwatchInfoType &second)
116​{
117​ return first.swatch.name() < second.swatch.name();
118​}
119​
120​QPixmap KisPaletteComboBox::createColorSquare(const KisSwatch &swatch) const
121​{
122​ QPixmap colorSquare(32, 32);
123​ if (swatch.spotColor()) {
124​ QImage img = QImage(32, 32, QImage::Format_ARGB32);
125​ QPainter circlePainter;
126​ img.fill(Qt::transparent);
127​ circlePainter.begin(&img);
128​ QBrush brush = QBrush(Qt::SolidPattern);
129​ brush.setColor(swatch.color().toQColor());
130​ circlePainter.setBrush(brush);
131​ QPen pen = circlePainter.pen();
132​ pen.setColor(Qt::transparent);
133​ pen.setWidth(0);
134​ circlePainter.setPen(pen);
135​ circlePainter.drawEllipse(0, 0, 32, 32);
136​ circlePainter.end();
137​ colorSquare = QPixmap::fromImage(img);
138​ } else {
139​ colorSquare.fill(swatch.color().toQColor());
140​ }
141​ return colorSquare;
142​}
143​
144​void KisPaletteComboBox::slotSwatchSelected(const QModelIndex &index)
145​{
146​ if (!qvariant_cast<bool>(index.data(KisPaletteModel::CheckSlotRole))) {
147​ return;
148​ }
149​ QString gName = qvariant_cast<QString>(index.data(KisPaletteModel::GroupNameRole));
150​ int rowInGroup = qvariant_cast<int>(index.data(KisPaletteModel::RowInGroupRole));
151​ setCurrentIndex(m_groupMapMap[gName][SwatchPosType(index.column(), rowInGroup)]);
152​}
153​
154​void KisPaletteComboBox::slotIndexUpdated(int idx)
155​{
156​ if (idx >= 0 && idx < m_idxSwatchMap.size()) {
157​ emit sigColorSelected(m_idxSwatchMap[idx].color());
158​ }
159​}