X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fviewport.hpp;fp=pv%2Fview%2Fviewport.hpp;h=1171a70730c8ed9490e5de549c19b46b250de8a0;hb=2acdb232d6bb452cfdfaea3ef5218fb4da592329;hp=0000000000000000000000000000000000000000;hpb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5;p=pulseview.git diff --git a/pv/view/viewport.hpp b/pv/view/viewport.hpp new file mode 100644 index 0000000..1171a70 --- /dev/null +++ b/pv/view/viewport.hpp @@ -0,0 +1,74 @@ +/* + * This file is part of the PulseView project. + * + * Copyright (C) 2012 Joel Holdsworth + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef PULSEVIEW_PV_VIEW_VIEWPORT_H +#define PULSEVIEW_PV_VIEW_VIEWPORT_H + +#include +#include +#include + +class QPainter; +class QPaintEvent; +class SigSession; + +namespace pv { +namespace view { + +class View; + +class Viewport : public QWidget +{ + Q_OBJECT + +public: + explicit Viewport(View &parent); + +protected: + void paintEvent(QPaintEvent *event); + +private: + bool event(QEvent *event); + void mousePressEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void mouseDoubleClickEvent(QMouseEvent * event); + void wheelEvent(QWheelEvent *event); + bool touchEvent(QTouchEvent *e); + +private Q_SLOTS: + void on_signals_moved(); + +private: + View &view_; + + QPoint mouse_down_point_; + double mouse_down_offset_; + bool mouse_down_valid_; + + double pinch_offset0_; + double pinch_offset1_; + bool pinch_zoom_active_; +}; + +} // namespace view +} // namespace pv + +#endif // PULSEVIEW_PV_VIEW_VIEWPORT_H