Mercurial > octave
view libgui/graphics/Canvas.h @ 27645:028205a91a07
eliminate global access to Octave resources in qt graphics classes
Provide reference to base_qobject to qt graphics classes to
eliminate need for accessing it through a global variable.
* qt-graphics-toolkit.h, qt-graphics-toolkit.cc
(qt_graphics_toolkit::m_octave_qobj): New member variable.
(qt_graphics_toolkit::qt_graphics_toolkit): Accept reference to
base_qobject as argument.
(qt_graphics_toolkit::create_object): Pass m_octave_qobj to create
functions for individual graphics objects.
* __init_qt__.cc (__init__): Temporarily access base_qobject by
calling octave::base_qobject::the_octave_qobject. Pass it to
qt_graphics_toolkit constructor.
* BaseControl.h, BaseControl.cc, ButtonControl.h, ButtonControl.cc,
ButtonGroup.h, ButtonGroup.cc, Canvas.h, Canvas.cc, CheckBoxControl.h,
CheckBoxControl.cc, Container.h, Container.cc, ContextMenu.h,
ContextMenu.cc, EditControl.h, EditControl.cc, Figure.h, Figure.cc,
GLCanvas.h, GLCanvas.cc, ListBoxControl.h, ListBoxControl.cc, Menu.h,
Menu.cc, Panel.h, Panel.cc, PopupMenuControl.h, PopupMenuControl.cc,
PushButtonControl.h, PushButtonControl.cc, PushTool.h, PushTool.cc,
RadioButtonControl.h, RadioButtonControl.cc, SliderControl.h,
SliderControl.cc, Table.h, Table.cc, TextControl.h, TextControl.cc,
ToggleButtonControl.h, ToggleButtonControl.cc, ToggleTool.h,
ToggleTool.cc, ToolBar.h, ToolBar.cc, ToolBarButton.h,
ToolBarButton.cc, annotation-dialog.h, annotation-dialog.cc:
Accept reference to base_qobject in create function and constructors
for graphics objects. Eliminate global access to GUI resources.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 05 Nov 2019 13:28:45 -0500 |
parents | 6b2d20317b26 |
children | 2a506bc4a7af |
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/* Copyright (C) 2011-2019 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 <QObject> #include <QPoint> #include "event-manager.h" #include "graphics.h" #include "Figure.h" class QKeyEvent; class QMouseEvent; class QWheelEvent; class QWidget; class octave_value_list; namespace octave { class base_qobject; } namespace QtHandles { class Canvas : public QObject { Q_OBJECT 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, std::string fallback, QImage cdata, Matrix hotspot); virtual QWidget * qWidget (void) = 0; static Canvas * create (octave::base_qobject& oct_qobj, const graphics_handle& handle, QWidget *parent, const std::string& name); virtual uint8NDArray getPixels (void) { return do_getPixels (m_handle); }; signals: void interpreter_event (const octave::fcn_callback& fcn); void interpreter_event (const octave::meth_callback& meth); void gh_callback_event (const graphics_handle& h, const std::string& name); void gh_callback_event (const graphics_handle& h, const std::string& name, const octave_value& data); void gh_set_event (const graphics_handle& h, const std::string& name, const octave_value& value); void gh_set_event (const graphics_handle& h, const std::string& name, const octave_value& value, bool notify_toolkit); void gh_set_event (const graphics_handle& h, const std::string& name, const octave_value& value, bool notify_toolkit, bool redraw_figure); 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 (octave::base_qobject& oct_qobj, const graphics_handle& handle) : m_octave_qobj (oct_qobj), 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 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: QCursor make_cursor (const QString& name, int hot_x = -1, int hot_y = -1); octave::base_qobject& m_octave_qobj; 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