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annotate libgui/src/tab-bar.h @ 30564:796f54d4ddbf stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021. In all .txi and .texi files except gpl.txi and gpl.texi in the doc/liboctave and doc/interpreter directories, change the copyright to "Octave Project Developers", the same as used for other source files. Update copyright notices for 2022 (not done since 2019). For gpl.txi and gpl.texi, change the copyright notice to be "Free Software Foundation, Inc." and leave the date at 2007 only because this file only contains the text of the GPL, not anything created by the Octave Project Developers. Add Paul Thomas to contributors.in.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:22:40 -0500
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2018-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 // This file implements a tab bar derived from QTabBar with a contextmenu
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27 // and possibility to close a tab via double-left or middle mouse click.
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28
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29 #if ! defined (octave_tab_bar_h)
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30 #define octave_tab_bar_h 1
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31
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32 #include <QMenu>
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33 #include <QMouseEvent>
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34 #include <QSize>
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35 #include <QStyleOptionTab>
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36 #include <QStylePainter>
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37 #include <QTabBar>
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38
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39 namespace octave
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40 {
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41 // Subclassed QTabBar for usable tab-bar, rotated tabs and
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42 // reimplemented mouse event
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43
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44 class tab_bar : public QTabBar
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45 {
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46 Q_OBJECT
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47
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48 public:
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49
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50 tab_bar (QWidget *p);
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51
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52 ~tab_bar (void) = default;
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53
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54 void set_rotated (int rotated);
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55 QMenu * get_context_menu (void) { return m_context_menu; };
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56 QSize tabSizeHint (int idx) const;
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57
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58 signals:
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59
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60 void close_current_tab_signal (bool);
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61
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62 public slots:
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63
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64 void switch_left_tab (void);
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65 void switch_right_tab (void);
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66 void move_tab_left (void);
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67 void move_tab_right (void);
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68 void sort_tabs_alph (void);
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69
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70 private slots:
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71
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72 void ctx_menu_activated (QAction *a);
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73
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74 protected:
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75
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76 void paintEvent(QPaintEvent *e);
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77 void mousePressEvent(QMouseEvent *event);
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78
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79 private:
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80
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81 void switch_tab (int direction, bool movetab = false);
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82
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83 QMenu *m_context_menu;
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84 QList <QAction *> m_ctx_actions;
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85 int m_rotated;
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86 };
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87 }
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88
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89 #endif