Mercurial > octave-nkf
view libgui/graphics/Canvas.h @ 19905:815db217f6f4
provide autoscale option for Qt plotting (bug #44307)
* Canvas.h, Canvas.cc (Canvas::autoAxes): New pure virtual function.
(Canvas::canvasAutoAxes): New function.
(autoscale_axes): New static function.
(Canvas::canvasMouseDoubleClickEvent, Canvas::canvasMousePressEvent):
Use it.
* Figure.h, Figure.cc (Figure::createFigureToolBarAndMenuBar):
Add autoscale button to window.
(Figure::autoAxes): New function.
* GLCanvas.h, GLCanvas.cc (GLCanvas::autoAxes): New function.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 27 Feb 2015 11:24:12 -0500 |
parents | 35bca657d74d |
children | f0e61a67ad9f |
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/* Copyright (C) 2011-2014 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 <http://www.gnu.org/licenses/>. */ #ifndef __QtHandles_Canvas__ #define __QtHandles_Canvas__ 1 #include <QPoint> #include "graphics.h" #include "Figure.h" class QKeyEvent; class QMouseEvent; class QWheelEvent; class QWidget; namespace QtHandles { class Canvas { public: enum EventMask { KeyPress = 0x01, KeyRelease = 0x02 }; public: virtual ~Canvas (void) { } void redraw (bool sync = false); void blockRedraw (bool block = true); void print (const QString& file_cmd, const QString& term); 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; 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; protected: Canvas (const graphics_handle& handle) : m_handle (handle), m_redrawBlocked (false), m_mouseMode (NoMode), m_eventMask (0) { } 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); private: graphics_handle m_handle; bool m_redrawBlocked; MouseMode m_mouseMode; QPoint m_mouseAnchor; QPoint m_mouseCurrent; graphics_handle m_mouseAxes; int m_eventMask; }; }; // namespace QtHandles #endif