2007-09-26 09:44:06 +02:00
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/*
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* Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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2007-10-12 10:44:02 +02:00
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* it under the terms of the GNU Library/Lesser General Public License
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* version 2, or (at your option) any later version, as published by the
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* Free Software Foundation
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2007-09-26 09:44:06 +02:00
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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2007-10-12 10:44:02 +02:00
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* You should have received a copy of the GNU Library/Lesser General Public
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2007-09-26 09:44:06 +02:00
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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2007-09-27 20:51:31 +02:00
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#include "kcategorizeditemsviewdelegate_p.h"
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2007-09-26 09:44:06 +02:00
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#include <cmath>
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2007-12-10 20:50:31 +01:00
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#include <QtCore/QtCore>
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2007-09-27 20:51:31 +02:00
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#include <KIconLoader>
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#include "kcategorizeditemsview_p.h"
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2007-09-26 09:44:06 +02:00
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#define FAV_ICON_SIZE 24
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#define EMBLEM_ICON_SIZE 16
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#define UNIVERSAL_PADDING 6
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#define FADE_LENGTH 32
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#define MAIN_ICON_SIZE 48
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#define DROPDOWN_PADDING 2
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#define DROPDOWN_SEPARATOR_HEIGHT 32
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KCategorizedItemsViewDelegate::KCategorizedItemsViewDelegate(QObject * parent)
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2008-01-04 00:54:18 +01:00
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: QItemDelegate(parent), m_favoriteIcon("bookmarks"),
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2007-12-28 22:26:03 +01:00
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m_favoriteAddIcon("list-add"), m_removeIcon("list-remove"),
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2007-09-26 09:44:06 +02:00
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m_onFavoriteIconItem(NULL)
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{
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m_parent = (KCategorizedItemsView *) parent;
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}
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void KCategorizedItemsViewDelegate::paint(QPainter *painter,
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const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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KCategorizedItemsViewModels::AbstractItem * item =
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getItemByProxyIndex(index);
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if (!item) return;
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2007-09-26 09:44:06 +02:00
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// Preparing needed data for painting
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int left = option.rect.left();
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int top = option.rect.top();
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int width = option.rect.width();
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int height = option.rect.height();
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QColor backgroundColor = (option.state.testFlag(QStyle::State_Selected))?
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option.palette.color(QPalette::Highlight):option.palette.color(QPalette::Base);
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2007-09-29 21:11:27 +02:00
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2007-09-26 09:44:06 +02:00
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// Base Background
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painter->fillRect(option.rect, QBrush(backgroundColor));
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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switch (index.column()) {
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case 0:
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paintColMain(painter, option, item);
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break;
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case 1:
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paintColFav(painter, option, item);
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break;
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case 2:
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paintColRemove(painter, option, item);
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break;
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default:
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2008-01-07 21:50:31 +01:00
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kDebug(1209) << "unexpected column";
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2007-12-10 02:18:57 +01:00
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}
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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// Dividing line
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backgroundColor = option.palette.color(QPalette::Highlight);
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backgroundColor.setAlpha(100);
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painter->setPen(backgroundColor);
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painter->drawLine(left, top + height - 1, left + width, top + height - 1);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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}
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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void KCategorizedItemsViewDelegate::paintColMain(QPainter *painter,
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const QStyleOptionViewItem &option, const KCategorizedItemsViewModels::AbstractItem * item) const
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{
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int left = option.rect.left();
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int top = option.rect.top();
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int width = option.rect.width();
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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bool leftToRight = (painter->layoutDirection() == Qt::LeftToRight);
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QIcon::Mode iconMode = QIcon::Normal;
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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QColor backgroundColor = (option.state.testFlag(QStyle::State_Selected))?
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option.palette.color(QPalette::Highlight):option.palette.color(QPalette::Base);
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QColor foregroundColor = (option.state.testFlag(QStyle::State_Selected))?
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option.palette.color(QPalette::HighlightedText):option.palette.color(QPalette::Text);
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// Painting main column
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QStyleOptionViewItem local_option_title(option);
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QStyleOptionViewItem local_option_normal(option);
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local_option_title.font.setBold(true);
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local_option_title.font.setPointSize(local_option_title.font.pointSize() + 2);
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QLinearGradient gradient;
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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QString title = item->name();
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QString description = item->description();
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// Painting
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// Text
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int textInner = 2 * UNIVERSAL_PADDING + MAIN_ICON_SIZE;
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painter->setPen(foregroundColor);
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painter->setFont(local_option_title.font);
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painter->drawText(
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2007-09-26 09:44:06 +02:00
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left + (leftToRight ? textInner : 0),
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top + UNIVERSAL_PADDING,
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width - textInner, MAIN_ICON_SIZE / 2,
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Qt::AlignBottom | Qt::AlignLeft, title);
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2007-12-10 02:18:57 +01:00
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painter->setFont(local_option_normal.font);
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painter->drawText(
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2007-09-26 09:44:06 +02:00
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left + (leftToRight ? textInner : 0),
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top + UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2,
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width - textInner, MAIN_ICON_SIZE / 2,
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Qt::AlignTop | Qt::AlignLeft, description);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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// Main icon
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item->icon().paint(painter,
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leftToRight ? left + UNIVERSAL_PADDING : left + width - UNIVERSAL_PADDING - MAIN_ICON_SIZE,
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2007-09-26 09:44:06 +02:00
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top + UNIVERSAL_PADDING,
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MAIN_ICON_SIZE, MAIN_ICON_SIZE, Qt::AlignCenter, iconMode);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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// Counting the number of emblems for this item
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int emblemCount = 0;
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QPair < Filter, QIcon * > emblem;
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foreach (emblem, m_parent->m_emblems) {
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if (item->passesFiltering(emblem.first)) ++emblemCount;
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}
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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// Gradient part of the background - fading of the text at the end
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if (leftToRight) {
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gradient = QLinearGradient(left + width - UNIVERSAL_PADDING - FADE_LENGTH, 0,
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2007-09-26 09:44:06 +02:00
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left + width - UNIVERSAL_PADDING, 0);
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2007-12-10 02:18:57 +01:00
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gradient.setColorAt(1, backgroundColor);
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backgroundColor.setAlpha(0);
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gradient.setColorAt(0, backgroundColor);
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} else {
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gradient = QLinearGradient(left + UNIVERSAL_PADDING, 0,
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2007-09-26 09:44:06 +02:00
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left + UNIVERSAL_PADDING + FADE_LENGTH, 0);
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2007-12-10 02:18:57 +01:00
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gradient.setColorAt(0, backgroundColor);
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backgroundColor.setAlpha(0);
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gradient.setColorAt(1, backgroundColor);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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}
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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QRect paintRect = option.rect;
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painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
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painter->fillRect(paintRect, gradient);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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if (leftToRight) {
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gradient.setStart(left + width
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2007-09-26 09:44:06 +02:00
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- emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE) - FADE_LENGTH, 0);
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2007-12-10 02:18:57 +01:00
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gradient.setFinalStop(left + width
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2007-09-26 09:44:06 +02:00
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- emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE), 0);
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2007-12-10 02:18:57 +01:00
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} else {
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gradient.setStart(left + UNIVERSAL_PADDING
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2007-09-26 09:44:06 +02:00
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+ emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE), 0);
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2007-12-10 02:18:57 +01:00
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gradient.setFinalStop(left + UNIVERSAL_PADDING
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2007-09-26 09:44:06 +02:00
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+ emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE) + FADE_LENGTH, 0);
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2007-12-10 02:18:57 +01:00
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}
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paintRect.setHeight(UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2);
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painter->fillRect(paintRect, gradient);
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// Emblems icons
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int emblemLeft = leftToRight ? (left + width - EMBLEM_ICON_SIZE) : left; // - FAV_ICON_SIZE - 2 * UNIVERSAL_PADDING
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foreach (emblem, m_parent->m_emblems) {
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if (item->passesFiltering(emblem.first)) {
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emblem.second->paint(painter,
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2007-09-26 09:44:06 +02:00
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emblemLeft, top + UNIVERSAL_PADDING,
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EMBLEM_ICON_SIZE, EMBLEM_ICON_SIZE, Qt::AlignCenter, iconMode);
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2007-12-10 02:18:57 +01:00
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if (leftToRight) {
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emblemLeft -= UNIVERSAL_PADDING + EMBLEM_ICON_SIZE;
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} else {
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emblemLeft += UNIVERSAL_PADDING + EMBLEM_ICON_SIZE;
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2007-09-26 09:44:06 +02:00
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}
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}
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2007-12-10 02:18:57 +01:00
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}
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}
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2007-09-26 09:44:06 +02:00
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2007-12-10 02:18:57 +01:00
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void KCategorizedItemsViewDelegate::paintColFav(QPainter *painter,
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const QStyleOptionViewItem &option, const KCategorizedItemsViewModels::AbstractItem * item) const
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{
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int left = option.rect.left();
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int top = option.rect.top();
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int width = option.rect.width();
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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// Painting favorite icon column
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2007-09-26 09:44:06 +02:00
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2007-12-10 02:18:57 +01:00
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if (! (option.state & QStyle::State_MouseOver) && m_onFavoriteIconItem == item)
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m_onFavoriteIconItem = NULL;
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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QIcon::Mode iconMode = QIcon::Normal;
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if (!item->isFavorite()) {
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iconMode = QIcon::Disabled;
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} else if (option.state & QStyle::State_MouseOver) {
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iconMode = QIcon::Active;
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}
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2007-09-26 09:44:06 +02:00
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2007-12-10 02:18:57 +01:00
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m_favoriteIcon.paint(painter,
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2007-09-26 09:44:06 +02:00
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left + width - FAV_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
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FAV_ICON_SIZE, FAV_ICON_SIZE, Qt::AlignCenter, iconMode);
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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const KIcon * icon = (item->isFavorite())? & m_removeIcon : & m_favoriteAddIcon;
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2007-09-26 09:44:06 +02:00
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2007-12-10 02:18:57 +01:00
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if ((option.state & QStyle::State_MouseOver) && (m_onFavoriteIconItem != item))
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icon->paint(painter,
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2007-09-26 09:44:06 +02:00
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left + width - EMBLEM_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
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EMBLEM_ICON_SIZE, EMBLEM_ICON_SIZE, Qt::AlignCenter, iconMode);
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2007-12-10 02:18:57 +01:00
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}
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2007-09-29 21:11:27 +02:00
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2007-12-10 02:18:57 +01:00
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void KCategorizedItemsViewDelegate::paintColRemove(QPainter *painter,
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const QStyleOptionViewItem &option, const KCategorizedItemsViewModels::AbstractItem * item) const
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{
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// Painting remove icon column
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int running = item->running();
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if (!running) {
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return;
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2007-09-26 09:44:06 +02:00
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}
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2007-12-10 02:18:57 +01:00
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int left = option.rect.left();
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int top = option.rect.top();
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int width = option.rect.width();
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QIcon::Mode iconMode = QIcon::Normal;
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if (option.state & QStyle::State_MouseOver) {
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iconMode = QIcon::Active;
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}
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2007-09-26 09:44:06 +02:00
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2007-12-10 02:18:57 +01:00
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m_removeIcon.paint(painter,
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left + width - FAV_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
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FAV_ICON_SIZE, FAV_ICON_SIZE, Qt::AlignCenter, iconMode);
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if (running == 1) {
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return;
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}
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//paint number
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QColor foregroundColor = (option.state.testFlag(QStyle::State_Selected))?
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option.palette.color(QPalette::HighlightedText):option.palette.color(QPalette::Text);
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painter->setPen(foregroundColor);
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painter->setFont(option.font);
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painter->drawText(
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left + UNIVERSAL_PADDING, //FIXME might be wrong
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top + UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2,
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width - 2 * UNIVERSAL_PADDING, MAIN_ICON_SIZE / 2,
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Qt::AlignCenter, QString::number(running));
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2007-09-26 09:44:06 +02:00
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}
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bool KCategorizedItemsViewDelegate::editorEvent(QEvent *event,
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QAbstractItemModel *model,
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const QStyleOptionViewItem &option,
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const QModelIndex &index)
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{
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2007-12-10 02:18:57 +01:00
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if (event->type() == QEvent::MouseButtonPress) {
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KCategorizedItemsViewModels::AbstractItem * item = getItemByProxyIndex(index);
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if (index.column() == 1) {
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(m_onFavoriteIconItem = item)
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->setFavorite(!item->isFavorite());
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return true;
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} else if (index.column() == 2 && item->running()) {
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item->setRunning(0);
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emit destroyApplets(item->name());
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return true;
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}
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2007-09-26 09:44:06 +02:00
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}
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return QItemDelegate::editorEvent(event, model, option, index);
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}
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QSize KCategorizedItemsViewDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index ) const
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{
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Q_UNUSED(option);
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2007-09-29 21:11:27 +02:00
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2007-09-26 09:44:06 +02:00
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//Q_UNUSED(index);
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int width = (index.column() == 0) ? 0 : FAV_ICON_SIZE;
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return QSize(width, MAIN_ICON_SIZE + 2 * UNIVERSAL_PADDING);
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}
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int KCategorizedItemsViewDelegate::columnWidth (int column, int viewWidth) const {
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2007-12-10 02:18:57 +01:00
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if (column != 0) {
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2007-09-26 09:44:06 +02:00
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return FAV_ICON_SIZE + 2 * UNIVERSAL_PADDING;
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2007-12-10 02:18:57 +01:00
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} else return viewWidth - 2 * columnWidth(1, viewWidth);
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2007-09-26 09:44:06 +02:00
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}
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KCategorizedItemsViewModels::AbstractItem * KCategorizedItemsViewDelegate::getItemByProxyIndex(const QModelIndex & index) const {
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return (AbstractItem *) m_parent->m_modelItems->itemFromIndex(
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m_parent->m_modelFilterItems->mapToSource(index)
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);
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}
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// KCategorizedItemsViewFilterDelegate
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KCategorizedItemsViewFilterDelegate::KCategorizedItemsViewFilterDelegate(QObject *parent)
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: QItemDelegate(parent) {
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2008-01-07 21:50:31 +01:00
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kDebug(1209) << "KCategorizedItemsViewFilterDelegate(QObject *parent)\n";
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2007-09-29 21:11:27 +02:00
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2007-09-26 09:44:06 +02:00
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}
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void KCategorizedItemsViewFilterDelegate::paint(QPainter *painter,
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const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (index.flags() & Qt::ItemIsEnabled) {
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QItemDelegate::paint(painter, option, index);
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} else {
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QStyleOptionViewItem separatorOption(option);
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int height = QItemDelegate::sizeHint(option, index).height() + 2 * DROPDOWN_PADDING;
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2007-09-29 21:11:27 +02:00
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2007-09-26 09:44:06 +02:00
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separatorOption.state &= ~(QStyle::State_Selected
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| QStyle::State_MouseOver | QStyle::State_HasFocus);
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separatorOption.rect.setTop(separatorOption.rect.top() + separatorOption.rect.height() - height);
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separatorOption.rect.setHeight(height);
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QItemDelegate::paint(painter, separatorOption, index);
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/*painter->drawLine(
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option.rect.left(),
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option.rect.top() + 1,
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option.rect.left() + option.rect.width(),
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option.rect.top() + 1);*/
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}
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}
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QSize KCategorizedItemsViewFilterDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index ) const
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{
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QSize size = QItemDelegate::sizeHint(option, index);
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if (index.flags() & Qt::ItemIsEnabled) {
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size.setHeight(size.height() + 2 * DROPDOWN_PADDING);
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} else {
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size.setHeight(DROPDOWN_SEPARATOR_HEIGHT);
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}
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return size;
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}
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2007-09-27 20:51:31 +02:00
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#include "kcategorizeditemsviewdelegate_p.moc"
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2007-09-26 09:44:06 +02:00
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