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annotate libgui/graphics/Canvas.h @ 18498:2e7cad6f180c gui-release

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Initial integration of QtHandles. * configure.ac: Check for QtOpenGL module. * libgui/Makefile.am: Include libgui/graphics/module.mk. (liboctgui_la_LIBADD): Include graphics/libgui-graphics.la in the list. (rcc-command): Pass "-name DIR" to rcc command. * main-window.cc (main_window::construct): Install qt functions and register qt toolkit. * libgui/src/module.mk (src_libgui_src_la_CPPFLAGS): Include $(FONTCONFIG_CPPFLAGS) and -I$(srcdir)/graphics in the list. * graphics.cc (gtk_manager::gtk_manager): Make qt the default toolkit if it is available. * libgui/graphics/Backend.cc, libgui/graphics/Backend.h, libgui/graphics/BaseControl.cc, libgui/graphics/BaseControl.h, libgui/graphics/ButtonControl.cc, libgui/graphics/ButtonControl.h, libgui/graphics/Canvas.cc, libgui/graphics/Canvas.h, libgui/graphics/CheckBoxControl.cc, libgui/graphics/CheckBoxControl.h, libgui/graphics/Container.cc, libgui/graphics/Container.h, libgui/graphics/ContextMenu.cc, libgui/graphics/ContextMenu.h, libgui/graphics/EditControl.cc, libgui/graphics/EditControl.h, libgui/graphics/Figure.cc, libgui/graphics/Figure.h, libgui/graphics/FigureWindow.cc, libgui/graphics/FigureWindow.h, libgui/graphics/GLCanvas.cc, libgui/graphics/GLCanvas.h, , libgui/graphics/GenericEventNotify.h, libgui/graphics/KeyMap.cc, libgui/graphics/KeyMap.h, libgui/graphics/ListBoxControl.cc, libgui/graphics/ListBoxControl.h, libgui/graphics/Logger.cc, libgui/graphics/Logger.h, libgui/graphics/Menu.cc, libgui/graphics/Menu.h, libgui/graphics/MenuContainer.h, libgui/graphics/MouseModeActionGroup.cc, libgui/graphics/MouseModeActionGroup.h, libgui/graphics/Object.cc, libgui/graphics/Object.h, libgui/graphics/ObjectFactory.cc, libgui/graphics/ObjectFactory.h, libgui/graphics/ObjectProxy.cc, libgui/graphics/ObjectProxy.h, libgui/graphics/Panel.cc, libgui/graphics/Panel.h, libgui/graphics/PopupMenuControl.cc, libgui/graphics/PopupMenuControl.h, libgui/graphics/PushButtonControl.cc, libgui/graphics/PushButtonControl.h, libgui/graphics/PushTool.cc, libgui/graphics/PushTool.h, libgui/graphics/RadioButtonControl.cc, libgui/graphics/RadioButtonControl.h, libgui/graphics/SliderControl.cc, libgui/graphics/SliderControl.h, libgui/graphics/TextControl.cc, libgui/graphics/TextControl.h, libgui/graphics/TextEdit.cc, libgui/graphics/TextEdit.h, libgui/graphics/ToggleButtonControl.cc, libgui/graphics/ToggleButtonControl.h, libgui/graphics/ToggleTool.cc, libgui/graphics/ToggleTool.h, libgui/graphics/ToolBar.cc, libgui/graphics/ToolBar.h, libgui/graphics/ToolBarButton.cc, libgui/graphics/ToolBarButton.h, libgui/graphics/Utils.cc, libgui/graphics/Utils.h, libgui/graphics/__init_qt__.cc, libgui/graphics/__init_qt__.h, libgui/graphics/gl-select.cc, libgui/graphics/gl-select.h, libgui/graphics/images/README, libgui/graphics/images/pan.png, libgui/graphics/images/rotate.png, libgui/graphics/images/select.png, libgui/graphics/images/zoom.png, libgui/graphics/module.mk, libgui/graphics/qthandles.qrc: New files.
author John W. Eaton <jwe@octave.org>
date Thu, 20 Feb 2014 14:05:45 -0500
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children 49877d3be064
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18498
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1 /*
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2
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3 Copyright (C) 2011 Michael Goffioul.
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4
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5 This file is part of QtHandles.
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6
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7 Foobar is free software: you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 QtHandles is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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19
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20 */
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21
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22 #ifndef __QtHandles_Canvas__
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23 #define __QtHandles_Canvas__ 1
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24
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25 #include <QPoint>
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26
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27 #include "graphics.h"
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28
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29 #include "Figure.h"
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30
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31 class QKeyEvent;
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32 class QMouseEvent;
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33 class QWidget;
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34
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35 //////////////////////////////////////////////////////////////////////////////
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36
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37 namespace QtHandles
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38 {
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39
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40 //////////////////////////////////////////////////////////////////////////////
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41
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42 class Canvas
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43 {
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44 public:
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45 enum EventMask
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46 {
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47 KeyPress = 0x01,
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48 KeyRelease = 0x02
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49 };
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50
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51 public:
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52 virtual ~Canvas (void) { }
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53
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54 void redraw (bool sync = false);
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55 void blockRedraw (bool block = true);
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56
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57 void addEventMask (int m) { m_eventMask |= m; }
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58 void clearEventMask (int m) { m_eventMask &= (~m); }
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59 void setEventMask (int m) { m_eventMask = m; }
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60
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61 virtual QWidget* qWidget (void) = 0;
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62
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63 static Canvas* create (const std::string& name, QWidget* parent,
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64 const graphics_handle& handle);
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65
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66 protected:
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67 virtual void draw (const graphics_handle& handle) = 0;
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68 virtual void drawZoomBox (const QPoint& p1, const QPoint& p2) = 0;
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69 virtual void resize (int x, int y, int width, int height) = 0;
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70 virtual graphics_object selectFromAxes (const graphics_object& ax,
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71 const QPoint& pt) = 0;
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72
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73 protected:
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74 Canvas (const graphics_handle& handle)
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75 : m_handle (handle),
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76 m_redrawBlocked (false),
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77 m_mouseMode (NoMode),
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78 m_eventMask (0)
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79 { }
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80
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81 void canvasPaintEvent (void);
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82 void canvasMouseMoveEvent (QMouseEvent* event);
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83 void canvasMousePressEvent (QMouseEvent* event);
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84 void canvasMouseReleaseEvent (QMouseEvent* event);
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85 bool canvasKeyPressEvent (QKeyEvent* event);
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86 bool canvasKeyReleaseEvent (QKeyEvent* event);
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87
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88 private:
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89 graphics_handle m_handle;
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90 bool m_redrawBlocked;
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91 MouseMode m_mouseMode;
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92 QPoint m_mouseAnchor;
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93 QPoint m_mouseCurrent;
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94 graphics_handle m_mouseAxes;
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95 int m_eventMask;
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96 };
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97
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98 //////////////////////////////////////////////////////////////////////////////
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99
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100 }; // namespace QtHandles
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101
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102 //////////////////////////////////////////////////////////////////////////////
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103
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104 #endif