135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
/*
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* Copyright 2008 by Alessandro Diaferia <alediaferia@gmail.com>
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* Copyright 2007 by Alexis Ménard <darktears31@gmail.com>
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* Copyright 2007 Sebastian Kuegler <sebas@kde.org>
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* Copyright 2006 Aaron Seigo <aseigo@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef PLASMA_DIALOG_H
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#define PLASMA_DIALOG_H
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#include <QtGui/QWidget>
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#include <QtGui/QGraphicsSceneEvent>
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#include <QtGui/QGraphicsView>
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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class DialogPrivate;
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/**
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* @class Dialog plasma/dialog.h <Plasma/Dialog>
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*
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* @short A dialog that uses the Plasma style
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*
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* Dialog provides a dialog-like widget that can be used to display additional
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* information.
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*
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* Dialog uses the plasma theme, and usually has no window decoration. It's meant
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* as an interim solution to display widgets as extension to plasma applets, for
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* example when you click on an applet like the devicenotifier or the clock, the
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* widget that is then displayed, is a Dialog.
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*/
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class PLASMA_EXPORT Dialog : public QWidget
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{
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Q_OBJECT
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public:
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/**
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* Use these flags to choose the active resize corners.
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*/
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enum ResizeCorner {
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NoCorner = 0,
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NorthEast = 1,
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SouthEast = 2,
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NorthWest = 4,
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SouthWest = 8,
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All = NorthEast | SouthEast | NorthWest | SouthWest
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};
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Q_DECLARE_FLAGS(ResizeCorners, ResizeCorner)
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/**
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* @arg parent the parent widget, for plasmoids, this is usually 0.
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* @arg f the Qt::WindowFlags, default is to not show a windowborder.
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*/
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explicit Dialog(QWidget * parent = 0, Qt::WindowFlags f = Qt::Window);
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virtual ~Dialog();
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void setGraphicsWidget(QGraphicsWidget *widget);
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QGraphicsWidget *graphicsWidget();
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/**
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* @arg corners the corners the resize handlers should be placed in.
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*/
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void setResizeHandleCorners(ResizeCorners corners);
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/**
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* Convenience method to get the enabled resize corners.
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* @return which resize corners are active.
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*/
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ResizeCorners resizeCorners() const;
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Q_SIGNALS:
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/**
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* Fires when the dialog automatically resizes.
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*/
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void dialogResized();
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/**
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* Emit a signal when the dialog become visible/invisible
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*/
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void dialogVisible(bool status);
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protected:
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/**
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* Reimplemented from QWidget
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*/
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void paintEvent(QPaintEvent *e);
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void resizeEvent(QResizeEvent *e);
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bool eventFilter(QObject *watched, QEvent *event);
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void hideEvent (QHideEvent *event);
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void showEvent (QShowEvent *event);
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void mouseMoveEvent (QMouseEvent *event);
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void mousePressEvent (QMouseEvent *event);
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void mouseReleaseEvent (QMouseEvent *event);
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/**
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* Convenience method to know whether the point is in a control area (e.g. resize area)
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* or not.
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* @return true if the point is in the control area.
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*/
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bool inControlArea(const QPoint &point);
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private:
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DialogPrivate *const d;
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friend class DialogPrivate;
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/**
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* React to theme changes
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*/
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Q_PRIVATE_SLOT(d, void themeUpdated())
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};
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} // Plasma namespace
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Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::Dialog::ResizeCorners)
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#endif
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