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annotate libgui/src/octave-dock-widget.h @ 16461:094bd3627ead

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move common functionality to octave_dock_widget base class * octave-dock-widget.h (octave_dock_widget::handle_visibility, octave_dock_widget::connect_visibility_changed, octave_dock_widget::focus): New virtual functions. * documentation-dock-widget.cc, documentation-dock-widget.h, files-dock-widget.cc, files-dock-widget.h, history-dock-widget.cc, history-dock-widget.h, terminal-dock-widget.cc, terminal-dock-widget.h: Inherit handle_visibility, connect_visibility_changed, and focus methods.
author John W. Eaton <jwe@octave.org>
date Sun, 07 Apr 2013 12:36:07 -0400
parents 045ce3896e3f
children 999400bebe5e
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1 /*
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2
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3 Copyright (C) 2012-2013 Richard Crozier
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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
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23 #if !defined (octave_dock_widget_h)
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24 #define octave_dock_widget_h 1
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25
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26 #include <QDockWidget>
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27
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28 class octave_dock_widget : public QDockWidget
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29 {
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30 Q_OBJECT
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31
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32 public:
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33
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34 octave_dock_widget (QWidget *p)
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35 : QDockWidget (p)
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36 {
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37 connect (this, SIGNAL (visibilityChanged (bool)),
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38 this, SLOT (handle_visibility_changed (bool)));
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39
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40 connect (this, SIGNAL (topLevelChanged (bool)),
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41 this, SLOT (top_level_changed (bool)));
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42 }
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43
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44 virtual ~octave_dock_widget () { }
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45
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46 virtual void connect_visibility_changed (void)
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47 {
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48 connect (this, SIGNAL (visibilityChanged (bool)),
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49 this, SLOT (handle_visibility (bool)));
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50 }
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51
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52 signals:
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53
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54 /** Custom signal that tells whether a user has clicked away
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55 * that dock widget, i.e the active dock widget has
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56 * changed. */
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57 void active_changed (bool active);
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58
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59 protected:
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60
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61 virtual void closeEvent (QCloseEvent *e)
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62 {
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63 emit active_changed (false);
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64 QDockWidget::closeEvent (e);
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65 }
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66
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67 public slots:
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68
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69 virtual void focus (void)
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70 {
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71 if (! isVisible ())
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72 setVisible (true);
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73
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74 setFocus ();
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75 activateWindow ();
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76 raise ();
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77 }
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78
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79 virtual void handle_visibility (bool visible)
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80 {
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81 if (visible && ! isFloating ())
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82 focus ();
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83 }
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84
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85 protected slots:
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86
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87 /** Slot to steer changing visibility from outside. */
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88 virtual void handle_visibility_changed (bool visible)
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89 {
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90 if (visible)
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91 emit active_changed (true);
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92 }
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93
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94 /** Slot when floating property changes */
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95 virtual void top_level_changed (bool floating)
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96 {
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97 if (floating)
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98 {
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99 // Make a window from the widget when floating and make it
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100 // visible again since setWindowFlags hides it.
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101 setWindowFlags (Qt::Window);
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102 show();
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103 }
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104 }
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105 };
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106
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107 #endif