![Mikael Kanstrup](/assets/img/avatar_default.png)
The QWidget::setStyle method does not transfer ownership of supplied style object. Fix leak by letting OverlayScrollBar free styles created. Bug: 14071 Change-Id: Ibc14cadfc6d012e8a909be21b4f8974009fa75f5 Reviewed-on: https://code.wireshark.org/review/23601 Reviewed-by: Michael Mann <mmann78@netscape.net> Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/* overlay_scroll_bar.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __OVERLAY_SCROLL_BAR_H__
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#define __OVERLAY_SCROLL_BAR_H__
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#include <QScrollBar>
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#include <QProxyStyle>
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class OverlayScrollBar : public QScrollBar
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{
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Q_OBJECT
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public:
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OverlayScrollBar(Qt::Orientation orientation, QWidget * parent = 0);
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virtual ~OverlayScrollBar();
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virtual QSize sizeHint() const;
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/** Set the "near" overlay image.
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* @param overlay_image An image containing a 1:1 mapping of nearby
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* packet colors to raster lines. It should be sized in device
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* pixels.
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* @param start_pos The first packet number represented by the image.
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* -1 means no packet is selected.
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* @param end_pos The last packet number represented by the image. -1
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* means no packet is selected.
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* @param selected_pos The position of the selected packet within the
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* image. -1 means no packet is selected.
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*/
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void setNearOverlayImage(QImage &overlay_image, int packet_count = -1, int start_pos = -1, int end_pos = -1, int selected_pos = -1);
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/** Set the "far" overlay image.
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* @param mp_image An image showing the position of marked, ignored,
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* and reference time packets over the entire packet list. It
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* should be sized in device pixels.
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*/
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void setMarkedPacketImage(QImage &mp_image);
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/** The "groove" area of the child scrollbar.
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*/
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QRect grooveRect();
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public slots:
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// Qt 4's QScrollBar::setRange isn't a slot. We can't wrap this in
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//#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
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// because Qt 4's MOC doesn't support macros.
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void setChildRange(int min, int max) { child_sb_.setRange(min, max); }
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protected:
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virtual void resizeEvent(QResizeEvent * event);
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virtual void paintEvent(QPaintEvent * event);
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virtual bool eventFilter(QObject *watched, QEvent *event);
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virtual void mousePressEvent(QMouseEvent *) { /* No-op */ }
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virtual void mouseReleaseEvent(QMouseEvent * event);
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private:
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QProxyStyle* style_;
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QProxyStyle* child_style_;
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QScrollBar child_sb_;
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QImage packet_map_img_;
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QImage marked_packet_img_;
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int packet_map_width_;
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int marked_packet_width_;
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int packet_count_;
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int start_pos_;
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int end_pos_;
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int selected_pos_;
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};
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#endif // __OVERLAY_SCROLL_BAR_H__
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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