Mercurial > octave
view libgui/graphics/Canvas.h @ 25054:6652d3823428 stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 30 Mar 2018 09:19:05 -0400 |
parents | 45470049a43f |
children | 00f796120a6d |
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/* Copyright (C) 2011-2018 Michael Goffioul This file is part of Octave. Octave 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 3 of the License, or (at your option) any later version. Octave 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 Octave; see the file COPYING. If not, see <https://www.gnu.org/licenses/>. */ #if ! defined (octave_Canvas_h) #define octave_Canvas_h 1 #include <QPoint> #include "graphics.h" #include "Figure.h" class QKeyEvent; class QMouseEvent; class QWheelEvent; class QWidget; class octave_value_list; namespace QtHandles { class Canvas { public: enum EventMask { KeyPress = 0x01, KeyRelease = 0x02 }; public: virtual ~Canvas (void) = default; void redraw (bool sync = false); void blockRedraw (bool block = true); void print (const QString& file_cmd, const QString& term) { do_print (file_cmd, term, m_handle); } void addEventMask (int m) { m_eventMask |= m; } void clearEventMask (int m) { m_eventMask &= (~m); } void setEventMask (int m) { m_eventMask = m; } void setCursor (MouseMode mode); virtual QWidget * qWidget (void) = 0; static Canvas * create (const std::string& name, QWidget *parent, const graphics_handle& handle); virtual void toggleAxes (const graphics_handle& handle) = 0; virtual void toggleGrid (const graphics_handle& handle) = 0; virtual void autoAxes (const graphics_handle& handle) = 0; virtual uint8NDArray getPixels (void) { return do_getPixels (m_handle); }; protected: virtual void draw (const graphics_handle& handle) = 0; virtual void drawZoomBox (const QPoint& p1, const QPoint& p2) = 0; virtual void resize (int x, int y, int width, int height) = 0; virtual graphics_object selectFromAxes (const graphics_object& ax, const QPoint& pt) = 0; virtual uint8NDArray do_getPixels (const graphics_handle& handle) = 0; virtual void do_print (const QString& file_cmd, const QString& term, const graphics_handle& handle) = 0; protected: Canvas (const graphics_handle& handle) : m_handle (handle), m_redrawBlocked (false), m_mouseMode (NoMode), m_clickMode (false), m_eventMask (0), m_rectMode (false) { } void canvasToggleAxes (const graphics_handle& handle); void canvasToggleGrid (const graphics_handle& handle); void canvasAutoAxes (const graphics_handle& handle); void canvasPaintEvent (void); void canvasMouseDoubleClickEvent (QMouseEvent *event); void canvasMouseMoveEvent (QMouseEvent *event); void canvasMousePressEvent (QMouseEvent *event); void canvasMouseReleaseEvent (QMouseEvent *event); void canvasWheelEvent (QWheelEvent *event); bool canvasKeyPressEvent (QKeyEvent *event); bool canvasKeyReleaseEvent (QKeyEvent *event); void updateCurrentPoint (const graphics_object& fig, const graphics_object& obj, QMouseEvent *event); void updateCurrentPoint (const graphics_object& fig, const graphics_object& obj); void annotation_callback (const octave_value_list& args); void select_object (graphics_object obj, QMouseEvent *event, graphics_object& currentObj, graphics_object& axesObj, bool axes_only = false, std::vector<std::string> omit = std::vector<std::string> ()); private: graphics_handle m_handle; bool m_redrawBlocked; MouseMode m_mouseMode; bool m_clickMode; // True: ZoomIn, False: ZoomOut QPoint m_mouseAnchor; QPoint m_mouseCurrent; graphics_handle m_mouseAxes; int m_eventMask; bool m_rectMode; }; } #endif