jfmcarreira
56e466346b
Add support to multi window mode. Clean code and fix some functions to manage the active windows and detect close and focus
126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2015 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@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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* 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 along
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* with this program; if not, write to the 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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/**
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* \file SubWindowHandle.h
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* \brief Sub windows handling
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*/
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#ifndef __SUBWINDOWHANDLE_H__
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#define __SUBWINDOWHANDLE_H__
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#include "config.h"
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#include "lib/PlaYUVerDefs.h"
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#if( QT_VERSION_PLAYUVER == 5 )
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#include <QtWidgets>
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#elif( QT_VERSION_PLAYUVER == 4 )
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#include <QtGui>
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#endif
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namespace plaYUVer
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{
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class SubWindowHandle: public QScrollArea
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{
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Q_OBJECT
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private:
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QPoint m_cLastScroll;
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UInt m_uiCategory;
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QString m_cWindowName;
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public:
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enum SubWindowCategories
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{
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SUBWINDOW = 0,
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VIDEO_SUBWINDOW = 1,
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VIDEO_STREAM_SUBWINDOW = 2,
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MODULE_SUBWINDOW = 4,
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PLOT_SUBWINDOW = 8,
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};
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SubWindowHandle( QWidget *, UInt );
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~SubWindowHandle();
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/**
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* Show the image at its original size
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*/
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virtual Void normalSize() = 0;
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/**
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* Scale the image (zoomed in or out) to fit on the window.
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*/
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virtual Void zoomToFit() = 0;
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/**
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* Scale the image (zoomed in or out) to speficied absolute zoom value (1.0 = original size).
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*/
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virtual Void zoomToFactor( Double factor, QPoint center = QPoint() ) = 0;
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/**
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* Scale the image by a given factor
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* @param factor factor of scale. Ex: 1.2 scale the image up by 20% and
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* 0.8 scale the image down by 25%
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*/
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virtual Void scaleView( Double, QPoint center = QPoint() ) = 0;
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virtual Double getScaleFactor() = 0;
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Void setWindowName( QString );
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QString getWindowName();
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virtual Bool mayClose();
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UInt getCategory()
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{
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return m_uiCategory;
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}
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protected:
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virtual void focusInEvent( QFocusEvent * event );
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virtual void closeEvent( QCloseEvent *event );
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QSize getScrollSize();
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Q_SIGNALS:
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/**
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* Notify that zoom factor was changed by internal event (e.g. by mouse wheel)
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*/
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void zoomFactorChanged_SWindow( const double, const QPoint );
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/**
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* Notify that scrollbar position was changed by internal event (e.g. by mouse panning )
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*/
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void scrollBarMoved_SWindow( const QPoint );
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/**
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* Update stauts bars
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*/
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void updateStatusBar( const QString& );
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void aboutToActivate( SubWindowHandle* );
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void aboutToClose( SubWindowHandle* );
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public Q_SLOTS:
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void adjustScrollBarByScale( double scale, QPoint center );
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void adjustScrollBarByOffset( QPoint Offset );
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void updateLastScrollValue();
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};
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} // NAMESPACE
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#endif // __SUBWINDOWHANDLE_H__
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