From 46f93311afc9f1e2afc306f63cee0e4f462758e2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= Date: Mon, 11 Mar 2013 22:19:17 +0100 Subject: Instance view, model, delegate. --- libgroupview/include/kcategorydrawer.h | 179 +++++++++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 libgroupview/include/kcategorydrawer.h (limited to 'libgroupview/include/kcategorydrawer.h') diff --git a/libgroupview/include/kcategorydrawer.h b/libgroupview/include/kcategorydrawer.h new file mode 100644 index 00000000..aa561f0d --- /dev/null +++ b/libgroupview/include/kcategorydrawer.h @@ -0,0 +1,179 @@ +/** + * This file is part of the KDE project + * Copyright (C) 2007, 2009 Rafael Fernández López + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef KCATEGORYDRAWER_H +#define KCATEGORYDRAWER_H + +#include + +#include +#include + +class QPainter; +class QModelIndex; +class QStyleOption; +class KCategorizedView; + + +/** + * @since 4.5 + */ +class LIBGROUPVIEW_EXPORT KCategoryDrawer + : public QObject +{ + friend class KCategorizedView; + Q_OBJECT + + +public: + KCategoryDrawer ( KCategorizedView *view ); + virtual ~KCategoryDrawer(); + + /** + * @return The view this category drawer is associated with. + */ + KCategorizedView *view() const; + + /** + * This method purpose is to draw a category represented by the given + * @param index with the given @param sortRole sorting role + * + * @note This method will be called one time per category, always with the + * first element in that category + */ + virtual void drawCategory ( const QModelIndex &index, + int sortRole, + const QStyleOption &option, + QPainter *painter ) const; + + /** + * @return The category height for the category representated by index @p index with + * style options @p option. + */ + virtual int categoryHeight ( const QModelIndex &index, const QStyleOption &option ) const; + + //TODO KDE5: make virtual as leftMargin + /** + * @note 0 by default + * + * @since 4.4 + */ + int leftMargin() const; + + /** + * @note call to this method on the KCategoryDrawer constructor to set the left margin + * + * @since 4.4 + */ + void setLeftMargin ( int leftMargin ); + + //TODO KDE5: make virtual as rightMargin + /** + * @note 0 by default + * + * @since 4.4 + */ + int rightMargin() const; + + /** + * @note call to this method on the KCategoryDrawer constructor to set the right margin + * + * @since 4.4 + */ + void setRightMargin ( int rightMargin ); + + KCategoryDrawer &operator= ( const KCategoryDrawer &cd ); +protected: + /** + * Method called when the mouse button has been pressed. + * + * @param index The representative index of the block of items. + * @param blockRect The rect occupied by the block of items. + * @param event The mouse event. + * + * @warning You explicitly have to determine whether the event has been accepted or not. You + * have to call event->accept() or event->ignore() at all possible case branches in + * your code. + */ + virtual void mouseButtonPressed ( const QModelIndex &index, const QRect &blockRect, QMouseEvent *event ); + + /** + * Method called when the mouse button has been released. + * + * @param index The representative index of the block of items. + * @param blockRect The rect occupied by the block of items. + * @param event The mouse event. + * + * @warning You explicitly have to determine whether the event has been accepted or not. You + * have to call event->accept() or event->ignore() at all possible case branches in + * your code. + */ + virtual void mouseButtonReleased ( const QModelIndex &index, const QRect &blockRect, QMouseEvent *event ); + + /** + * Method called when the mouse has been moved. + * + * @param index The representative index of the block of items. + * @param blockRect The rect occupied by the block of items. + * @param event The mouse event. + */ + virtual void mouseMoved ( const QModelIndex &index, const QRect &blockRect, QMouseEvent *event ); + + /** + * Method called when the mouse button has been double clicked. + * + * @param index The representative index of the block of items. + * @param blockRect The rect occupied by the block of items. + * @param event The mouse event. + * + * @warning You explicitly have to determine whether the event has been accepted or not. You + * have to call event->accept() or event->ignore() at all possible case branches in + * your code. + */ + virtual void mouseButtonDoubleClicked ( const QModelIndex &index, const QRect &blockRect, QMouseEvent *event ); + + /** + * Method called when the mouse button has left this block. + * + * @param index The representative index of the block of items. + * @param blockRect The rect occupied by the block of items. + */ + virtual void mouseLeft ( const QModelIndex &index, const QRect &blockRect ); + +private: + class Private; + Private *const d; +Q_SIGNALS: + /** + * This signal becomes emitted when collapse or expand has been clicked. + */ + void collapseOrExpandClicked ( const QModelIndex &index ); + + /** + * Emit this signal on your subclass implementation to notify that something happened. Usually + * this will be triggered when you have received an event, and its position matched some "hot spot". + * + * You give this action the integer you want, and having connected this signal to your code, + * the connected slot can perform the needed changes (view, model, selection model, delegate...) + */ + void actionRequested ( int action, const QModelIndex &index ); +}; + +#endif // KCATEGORYDRAWER_H -- cgit v1.2.3