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annotate libgui/src/gui-settings.cc @ 31236:a103cfd738c5

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build: Fix Makefile rule emitting note about duplicate rule (cset 1a0756f7c90a). * libgui/src/module.mk: Delete unnecessary addition of current working directory to DIRSTAMP_FILES variable.
author Rik <rik@octave.org>
date Wed, 21 Sep 2022 13:48:27 -0700
parents 796f54d4ddbf
children 0645ea65ca6b c6d54dd31a7e
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2019-2022 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 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <QApplication>
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31 #include <QSettings>
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32
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33 #include "gui-settings.h"
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34
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35 namespace octave
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36 {
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37
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38 QColor gui_settings::get_color_value (const QVariant& def, int mode) const
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39 {
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40 QColor default_color;
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41
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42 // Determine whether the default value in pref is given as
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43 // QPalette::ColorRole or as QColor
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44 if (def.canConvert (QMetaType::QColor))
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45 default_color = def.value<QColor> ();
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46 else
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47 {
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48 // The default colors are given as color roles for
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49 // the application's palette
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50 default_color = QApplication::palette ().color
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51 (static_cast<QPalette::ColorRole> (def.toInt ()));
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52 // FIXME: use value<QPalette::ColorRole> instead of static cast after
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53 // dropping support of Qt 5.4
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54 }
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55
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56 if ((mode == 1) && (default_color != settings_color_no_change))
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57 {
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58 // In second mode, determine the default color from the first mode
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59 qreal h, s, l, a;
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60 default_color.getHslF (&h, &s, &l, &a);
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61 qreal l_new = 1.0-l*0.85;
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62 if (l < 0.3)
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63 l_new = 1.0-l*0.7; // convert darker into lighter colors
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64 default_color.setHslF (h, s, l_new, a);
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65 }
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66
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67 return default_color;
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68 }
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69
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70 QColor gui_settings::color_value (const gui_pref& pref, int mode) const
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71 {
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72 QColor default_color = get_color_value (pref.def, mode);
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73
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74 return value (pref.key + settings_color_modes_ext[mode],
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75 QVariant (default_color)).value<QColor> ();
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76 }
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77
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78 void gui_settings::set_color_value (const gui_pref& pref,
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79 const QColor& color, int mode)
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80 {
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81 int m = mode;
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82 if (m > 1)
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83 m = 1;
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84
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85 setValue (pref.key + settings_color_modes_ext[m], QVariant (color));
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86 }
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87
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88 QString gui_settings::sc_value (const sc_pref& pref) const
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89 {
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90 QKeySequence key_seq = sc_def_value (pref);
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91
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92 // Get the value from the settings where the key sequences are stored
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93 // as strings
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94 return value (sc_group + pref.key, key_seq.toString ()).toString ();
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95 }
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96
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97 QKeySequence gui_settings::sc_def_value (const sc_pref& pref) const
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98 {
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99 QKeySequence key_seq = QKeySequence ();
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100
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101 // Check, which of the elements for the default value in the sc_pref
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102 // structure has a valid value and take this as default. If both
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103 // elements are not valid, leave the key sequence empty
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104 if (pref.def)
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105 key_seq = QKeySequence (pref.def);
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106 else if (pref.def_std != QKeySequence::UnknownKey)
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107 key_seq = QKeySequence (pref.def_std);
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108
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109 return key_seq;
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110 }
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111
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112 }