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annotate libgui/src/octave-dock-widget.h @ 16611:999400bebe5e

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move more common code from dock widgets into octave-dock-widget.h * terminal-dock-widget.cc, file-editor.cc, files-dock-widget.cc, workspace-view.cc (constructor): remove connectiong changed_settings signal * files-dock-widget.cc/.h, file-editor.h: do not include QSettings here * octave-dock-widget.h(constructor): connect changed_settings signal * octave-dock-widget.h: include QSettings, empty virtual slot notice-settings
author Torsten <ttl@justmail.de>
date Sat, 04 May 2013 23:37:27 +0200
parents 094bd3627ead
children d749c9b588e5
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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
c3057d80cf91 Created common octave_dock_widget class
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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 #include <QSettings>
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28
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29 class octave_dock_widget : public QDockWidget
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30 {
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31 Q_OBJECT
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32
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33 public:
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34
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35 octave_dock_widget (QWidget *p)
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36 : QDockWidget (p)
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37 {
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38 connect (this, SIGNAL (visibilityChanged (bool)),
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39 this, SLOT (handle_visibility_changed (bool)));
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40
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41 connect (this, SIGNAL (topLevelChanged (bool)),
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42 this, SLOT (top_level_changed (bool)));
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43
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44 connect (p, SIGNAL (settings_changed (const QSettings*)),
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45 this, SLOT (notice_settings (const QSettings*)));
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46 }
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47
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48 virtual ~octave_dock_widget () { }
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49
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50 virtual void connect_visibility_changed (void)
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51 {
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52 connect (this, SIGNAL (visibilityChanged (bool)),
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53 this, SLOT (handle_visibility (bool)));
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54 }
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55
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56
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57 signals:
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58
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59 /** Custom signal that tells whether a user has clicked away
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60 * that dock widget, i.e the active dock widget has
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61 * changed. */
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62 void active_changed (bool active);
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63
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64 protected:
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65
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66 virtual void closeEvent (QCloseEvent *e)
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67 {
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68 emit active_changed (false);
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69 QDockWidget::closeEvent (e);
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70 }
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71
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72 public slots:
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73
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74 virtual void focus (void)
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75 {
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76 if (! isVisible ())
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77 setVisible (true);
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78
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79 setFocus ();
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80 activateWindow ();
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81 raise ();
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82 }
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83
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84 virtual void handle_visibility (bool visible)
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85 {
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86 if (visible && ! isFloating ())
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87 focus ();
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88 }
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89
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90 virtual void notice_settings (const QSettings*)
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91 {
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92 }
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93
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94 protected slots:
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95
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96 /** Slot to steer changing visibility from outside. */
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97 virtual void handle_visibility_changed (bool visible)
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98 {
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99 if (visible)
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100 emit active_changed (true);
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101 }
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102
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103 /** Slot when floating property changes */
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104 virtual void top_level_changed (bool floating)
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105 {
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106 if (floating)
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107 {
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108 // Make a window from the widget when floating and make it
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109 // visible again since setWindowFlags hides it.
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110 setWindowFlags (Qt::Window);
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111 show();
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112 }
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113 }
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114 };
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115
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116 #endif