Differential D14815 Diff 40055 libs/widgets/KisPaletteDelegate.cpp

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libs/widgets/KisPaletteDelegate.cpp

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1​/*
2​ * Copyright (c) 2016 Dmitry Kazakov <dimula73@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​#include <QPen>
20​#include <QPainter>
21​#include <QtMath> // qBound
22​
23​#include <kis_global.h>
24​#include <KisPaletteModel.h>
25​#include "kis_debug.h"
26​
27​#include "KisPaletteDelegate.h"
28​
29​const int KisPaletteDelegate::BORDER_WIDTH = 3;
30​
31​KisPaletteDelegate::KisPaletteDelegate(QObject *parent)
32​ : QAbstractItemDelegate(parent)
33​{ }
34​
35​KisPaletteDelegate::~KisPaletteDelegate()
36​{ }
37​
38​void KisPaletteDelegate::paintCrossedLine(const QStyleOptionViewItem &option, QPainter *painter) const
39​{
40​ QRect crossRect = kisGrowRect(option.rect, -qBound(2, option.rect.width() / 6, 4));
41​
42​ painter->save();
43​ painter->setRenderHint(QPainter::Antialiasing, true);
44​ painter->setPen(QPen(Qt::white, 2.5));
45​ painter->drawLine(crossRect.topLeft(), crossRect.bottomRight());
46​ painter->setPen(QPen(Qt::red, 1.0));
47​ painter->drawLine(crossRect.topLeft(), crossRect.bottomRight());
48​ painter->restore();
49​}
50​
51​void KisPaletteDelegate::paintNonCrossed(QPainter *painter, const QStyleOptionViewItem &option,
52​ const QModelIndex &index, const bool isSelected) const
53​{
54​}
55​
56​void KisPaletteDelegate::paintGroupName(QPainter *painter, const QStyleOptionViewItem &option,
57​ const QModelIndex &index, const bool isSelected) const
58​{
59​ QString name = qvariant_cast<QString>(index.data(Qt::DisplayRole));
60​ if (isSelected) {
61​ painter->fillRect(option.rect, option.palette.highlight());
62​ }
63​ QRect paintRect = kisGrowRect(option.rect, -BORDER_WIDTH);
64​ painter->setBrush(QBrush(Qt::lightGray));
65​ painter->drawText(paintRect, name);
66​}
67​
68​void KisPaletteDelegate::paint(QPainter *painter,
69​ const QStyleOptionViewItem &option,
70​ const QModelIndex &index) const
71​{
72​ painter->save();
73​
74​ if (!index.isValid())
75​ return;
76​
77​ const bool isSelected = option.state & QStyle::State_Selected;
78​
79​ if (qvariant_cast<bool>(index.data(KisPaletteModel::IsGroupNameRole))) {
80​ paintGroupName(painter, option, index, isSelected);
81​ } else {
82​ QRect paintRect = option.rect;
83​ if (isSelected) {
84​ painter->fillRect(option.rect, option.palette.highlight());
85​ paintRect = kisGrowRect(option.rect, -BORDER_WIDTH);
86​ }
87​ if (qvariant_cast<bool>(index.data(KisPaletteModel::CheckSlotRole))) {
88​ QBrush brush = qvariant_cast<QBrush>(index.data(Qt::BackgroundRole));
89​ painter->fillRect(paintRect, brush);
90​ } else {
91​ QBrush lightBrush(Qt::gray);
92​ QBrush darkBrush(Qt::darkGray);
93​ painter->fillRect(paintRect, lightBrush);
94​ painter->fillRect(QRect(paintRect.topLeft(), paintRect.center()), darkBrush);
95​ painter->fillRect(QRect(paintRect.center(), paintRect.bottomRight()), darkBrush);
96​ }
97​
98​ QString name = qvariant_cast<QString>(index.data(Qt::DisplayRole));
99​ if (!m_crossedKeyword.isNull() && name.toLower().contains(m_crossedKeyword)) {
100​ paintCrossedLine(option, painter);
101​ }
102​ }
103​
104​ painter->restore();
105​}
106​
107​QSize KisPaletteDelegate::sizeHint(const QStyleOptionViewItem &option,
108​ const QModelIndex &) const
109​{
110​ return option.decorationSize;
111​}