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krita/ui kis_categorized_item_delegate.cpp Go to the documentation of this file. /* * Copyright (c) 2009 Cyrille Berger <cberger@cberger.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "kis_categorized_item_delegate.h" #include <KCategoryDrawer> #include <KCategorizedSortFilterProxyModel> #include <QPainter> struct KisCategorizedItemDelegate::Private { QAbstractItemDelegate* fallback; KCategoryDrawer* categoryDrawer; bool isFirstOfCategory(const QModelIndex& index); }; bool KisCategorizedItemDelegate::Private::isFirstOfCategory(const QModelIndex& index) { if (index.row() == 0) return true; QModelIndex idx = index.model()->index(index.row() - 1, index.column(), index.parent()); const QString category1 = index.model()->data(index, KCategorizedSortFilterProxyModel::CategorySortRole).toString(); const QString category2 = index.model()->data(idx, KCategorizedSortFilterProxyModel::CategorySortRole).toString(); return category1 != category2; } KisCategorizedItemDelegate::KisCategorizedItemDelegate(QAbstractItemDelegate* _fallback, QObject* parent) : QAbstractItemDelegate(parent) , d(new Private) { _fallback->setParent(this); d->fallback = _fallback; d->categoryDrawer = new KCategoryDrawer; } KisCategorizedItemDelegate::~KisCategorizedItemDelegate() { delete d->fallback; delete d->categoryDrawer; delete d; } QWidget * KisCategorizedItemDelegate::createEditor(QWidget * parent, const QStyleOptionViewItem & option, const QModelIndex & index) const { return d->fallback->createEditor(parent, option, index); } bool KisCategorizedItemDelegate::editorEvent(QEvent * event, QAbstractItemModel * model, const QStyleOptionViewItem & option, const QModelIndex & index) { return d->fallback->editorEvent(event, model, option, index); } void KisCategorizedItemDelegate::paint(QPainter * painter, const QStyleOptionViewItem & _option, const QModelIndex & index) const { // We will need to edit the option to make sure the header isn't drawned as selected QStyleOptionViewItem* option = 0; if (const QStyleOptionViewItemV4 *v4 = qstyleoption_cast<const QStyleOptionViewItemV4*>(&_option)) { option = new QStyleOptionViewItemV4(*v4); } else if (const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3*>(&_option)) { option = new QStyleOptionViewItemV3(*v3); } else if (const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2*>(&_option)) { option = new QStyleOptionViewItemV2(*v2); } else { option = new QStyleOptionViewItem(_option); } Q_ASSERT(option); // If it's a first category then we need to draw it if (d->isFirstOfCategory(index)) { // Prepare the rectangle for drawing the category int h = d->categoryDrawer->categoryHeight(index, *option); QRect rect = option->rect; // Make sure the categroy isn't drawned as selected option->state &= (~QStyle::State_Selected); Q_ASSERT(!(option->state & QStyle::State_Selected)); option->state &= (~QStyle::State_HasFocus); Q_ASSERT(!(option->state & QStyle::State_HasFocus)); option->state &= (~QStyle::State_MouseOver); Q_ASSERT(!(option->state & QStyle::State_MouseOver)); option->rect.setHeight(h); // draw the cateogry d->categoryDrawer->drawCategory(index, 0, *option, painter); // Prepare the rectangle for the item option->rect = rect; option->rect.setY(rect.y() + h); option->rect.setHeight(rect.height() - h); option->state = _option.state; } d->fallback->paint(painter, *option, index); delete option; } void KisCategorizedItemDelegate::setEditorData(QWidget * editor, const QModelIndex & index) const { d->fallback->setEditorData(editor, index); } void KisCategorizedItemDelegate::setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const { d->fallback->setModelData(editor, model, index); } QSize KisCategorizedItemDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const { QSize size = d->fallback->sizeHint(option, index); // If is first of a category, then add the space needed to paint the category if (d->isFirstOfCategory(index)) { size.setHeight(d->categoryDrawer->categoryHeight(index, option) + size.height()); } return size; } void KisCategorizedItemDelegate::updateEditorGeometry(QWidget * editor, const QStyleOptionViewItem & option, const QModelIndex & index) const { d->fallback->updateEditorGeometry(editor, option, index); // If it's the first category, then the editor need to be moved if (d->isFirstOfCategory(index)) { int h = d->categoryDrawer->categoryHeight(index, option); editor->move(editor->x(), editor->y() + h); editor->resize(editor->width(), editor->height() - h); } } krita/ui Skip menu "krita/ui" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members API Reference Skip menu "API Reference" kdgantt Kexi   KoProperty   flake kplato krita   image   plugins       libbrush       libpaintop   ui kspread   part     scripting libs   flake   kotext   main   pigment   store   musicshape Generated for API Reference by doxygen 1.5.9-20090814 This website is maintained by Adriaan de Groot and Allen Winter. 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