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annotate libgui/graphics/GenericEventNotify.h @ 21203:710e700cdd7f

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maint: Clean up naming and indentation of #ifdef blocks in libgui Rename guard #ifdef names to use octave_ namespace prefix and file name. Indent #ifdef blocks. * Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, color-picker.cc, color-picker.h, dialog.cc, documentation-dock-widget.cc, documentation-dock-widget.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, history-dock-widget.cc, history-dock-widget.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-interpreter.h, octave-qt-link.cc, octave-qt-link.h, parser.cc, webinfo.cc, resource-manager.cc, resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.cc, terminal-dock-widget.h, thread-manager.cc, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-view.cc: Clean up naming and indentation of #ifdef blocks in libgui.
author Rik <rik@octave.org>
date Sat, 06 Feb 2016 07:32:37 -0800
parents f0e61a67ad9f
children bac0d6f07a3e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2011-2015 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
21203
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23 #if ! defined (octave_GenericEventNotify_h)
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24 #define octave_GenericEventNotify_h 1
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25
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26 #include <QSet>
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27
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28 class QEvent;
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29 class QObject;
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30 class QWidget;
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31
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32 namespace QtHandles
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33 {
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34
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35 class GenericEventNotifyReceiver;
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36
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37 class GenericEventNotifySender
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38 {
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39 public:
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40 GenericEventNotifySender (void) : m_receivers () { }
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41 virtual ~GenericEventNotifySender (void) { }
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42
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43 void addReceiver (GenericEventNotifyReceiver* r)
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44 { m_receivers.insert (r); }
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45
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46 void removeReceiver (GenericEventNotifyReceiver* r)
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47 { m_receivers.remove (r); }
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48
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49 protected:
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50 bool notifyReceiversBefore (QObject* obj, QEvent* evt);
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51 void notifyReceiversAfter (QObject* obj, QEvent* evt);
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52
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53 private:
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54 QSet<GenericEventNotifyReceiver*> m_receivers;
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55 };
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56
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57 class GenericEventNotifyReceiver
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58 {
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59 public:
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60 GenericEventNotifyReceiver (void) { }
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61 virtual ~GenericEventNotifyReceiver (void) { }
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62
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63 virtual bool eventNotifyBefore (QObject* obj, QEvent* evt) = 0;
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64 virtual void eventNotifyAfter (QObject* obj, QEvent* evt) = 0;
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65 };
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66
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67 inline
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68 bool GenericEventNotifySender::notifyReceiversBefore (QObject* obj,
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69 QEvent* evt)
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70 {
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71 foreach (GenericEventNotifyReceiver* r, m_receivers)
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72 if (r->eventNotifyBefore (obj, evt))
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73 return true;
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74 return false;
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75 }
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76
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77 inline
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78 void GenericEventNotifySender::notifyReceiversAfter (QObject* obj,
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79 QEvent* evt)
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80 {
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81 foreach (GenericEventNotifyReceiver* r, m_receivers)
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82 r->eventNotifyAfter (obj, evt);
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83 }
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84
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85 #define DECLARE_GENERICEVENTNOTIFY_SENDER(T,B) \
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86 class T : public B, public GenericEventNotifySender \
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87 { \
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88 public: \
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89 T (QWidget* xparent) : B (xparent), GenericEventNotifySender () { } \
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90 ~ T (void) { } \
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91 \
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92 bool event (QEvent* evt) \
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93 { \
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94 bool result = true; \
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95 if (! notifyReceiversBefore (this, evt)) \
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96 result = B::event (evt); \
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97 notifyReceiversAfter (this, evt); \
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98 return result; \
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99 } \
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100 }
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101
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102 };
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103
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104 #endif