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110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Christian Mollekopf chrigi_1@fastmail.fm *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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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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* You should have received a copy of the GNU General Public License *
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* 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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#ifndef TASKITEMLAYOUT_H
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#define TASKITEMLAYOUT_H
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//Own
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#include "tasks.h"
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// Qt
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#include <QGraphicsGridLayout>
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#include <QList>
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class TaskGroupItem;
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class AbstractTaskItem;
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class LauncherSeparator;
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/**
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* A Layout for the expanded group
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*/
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class TaskItemLayout : public QObject, public QGraphicsGridLayout
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{
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Q_OBJECT
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public:
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struct Insert {
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int index;
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QRectF geom;
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};
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TaskItemLayout(TaskGroupItem * parent, Tasks *applet);
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~TaskItemLayout();
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/** insert the item on the index in TaskGroupItem::getMemberList */
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void addTaskItem(AbstractTaskItem*);
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void removeTaskItem(AbstractTaskItem*);
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/** insert the item on a specific index*/
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bool insert(int index, AbstractTaskItem* item);
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/** returns the insert index for a task drop on pos */
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Insert insertionIndexAt(const QPointF &pos);
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/** set the maximum number of rows */
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void setMaximumRows(int);
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/** force the layout to use maximumRows setting and fill rows before columns */
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void setForceRows(bool);
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/** the size including expanded groups*/
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int size();
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/** returns columnCount or rowCount depending on m_applet->formFactor() */
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int numberOfRows();
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/** returns columnCount or rowCount depending on m_applet->formFactor()*/
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int numberOfColumns();
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/** Returns the preferred number of rows based on the user settings but limited by calculation to honor AbstractGroupableItem::basicPreferredSize()*/
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int maximumRows();
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/** Returns the preferred number of columns calculated on base of AbstractGroupableItem::basicPreferredSize()*/
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int preferredColumns();
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/** Set the layout Orientation, normally set to formFactor of applet*/
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void setOrientation(Plasma::FormFactor orientation);
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bool separatorVisible() const;
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public Q_SLOTS:
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/** Populates the actual QGraphicsGridLayout with items*/
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void layoutItems();
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private:
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void adjustStretch();
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void updatePreferredSize();
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private Q_SLOTS:
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bool remove(AbstractTaskItem* item);
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private:
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TaskGroupItem *m_groupItem;
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QList <AbstractTaskItem*> m_itemPositions;
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/** Calculates the number of columns and rows for the layoutItems function and returns <columns/rows>*/
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QPair<int, int> gridLayoutSize();
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/** Limit before row is full, more columns are added if maxRows is exeeded*/
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int m_rowSize;
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/** How many rows should be used*/
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int m_maxRows;
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bool m_forceRows;
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Tasks *m_applet;
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Qt::Orientation m_layoutOrientation;
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LauncherSeparator *m_separator;
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};
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#endif
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