1 | /* $Id: UIGlobalSettingsDisplay.cpp 101717 2023-11-02 12:22:25Z vboxsync $ */
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2 | /** @file
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3 | * VBox Qt GUI - UIGlobalSettingsDisplay class implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | /* Qt includes: */
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29 | #include <QVBoxLayout>
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30 |
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31 | /* GUI includes: */
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32 | #include "UIDesktopWidgetWatchdog.h"
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33 | #include "UIExtraDataManager.h"
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34 | #include "UIFontScaleEditor.h"
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35 | #include "UIDisplayFeaturesEditor.h"
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36 | #include "UIGlobalSettingsDisplay.h"
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37 | #include "UIMaximumGuestScreenSizeEditor.h"
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38 | #include "UIScaleFactorEditor.h"
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39 |
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40 |
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41 | /** Global settings: Display page data structure. */
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42 | struct UIDataSettingsGlobalDisplay
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43 | {
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44 | /** Constructs data. */
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45 | UIDataSettingsGlobalDisplay()
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46 | : m_fActivateHoveredMachineWindow(false)
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47 | , m_fDisableHostScreenSaver(false)
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48 | {}
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49 |
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50 | /** Returns whether the @a other passed data is equal to this one. */
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51 | bool equal(const UIDataSettingsGlobalDisplay &other) const
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52 | {
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53 | return true
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54 | && (m_guiMaximumGuestScreenSizeValue == other.m_guiMaximumGuestScreenSizeValue)
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55 | && (m_scaleFactors == other.m_scaleFactors)
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56 | && (m_iFontScalingFactor == other.m_iFontScalingFactor)
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57 | && (m_fActivateHoveredMachineWindow == other.m_fActivateHoveredMachineWindow)
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58 | && (m_fDisableHostScreenSaver == other.m_fDisableHostScreenSaver)
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59 | ;
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60 | }
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61 |
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62 | /** Returns whether the @a other passed data is equal to this one. */
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63 | bool operator==(const UIDataSettingsGlobalDisplay &other) const { return equal(other); }
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64 | /** Returns whether the @a other passed data is different from this one. */
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65 | bool operator!=(const UIDataSettingsGlobalDisplay &other) const { return !equal(other); }
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66 |
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67 | /** Holds the maximum guest-screen size value. */
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68 | UIMaximumGuestScreenSizeValue m_guiMaximumGuestScreenSizeValue;
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69 | /** Holds the guest screen scale-factor. */
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70 | QList<double> m_scaleFactors;
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71 | /** Holds the font scaling factor. */
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72 | int m_iFontScalingFactor;
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73 | /** Holds whether we should automatically activate machine window under the mouse cursor. */
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74 | bool m_fActivateHoveredMachineWindow;
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75 | /** Holds whether we should disable host sceen saver on a vm is running. */
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76 | bool m_fDisableHostScreenSaver;
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77 | };
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78 |
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79 |
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80 | /*********************************************************************************************************************************
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81 | * Class UIGlobalSettingsDisplay implementation. *
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82 | *********************************************************************************************************************************/
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83 |
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84 | UIGlobalSettingsDisplay::UIGlobalSettingsDisplay()
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85 | : m_pCache(0)
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86 | , m_pEditorMaximumGuestScreenSize(0)
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87 | , m_pEditorScaleFactor(0)
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88 | , m_pFontScaleEditor(0)
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89 | , m_pEditorDisplayFeatures(0)
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90 | {
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91 | prepare();
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92 | }
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93 |
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94 | UIGlobalSettingsDisplay::~UIGlobalSettingsDisplay()
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95 | {
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96 | cleanup();
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97 | }
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98 |
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99 | bool UIGlobalSettingsDisplay::changed() const
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100 | {
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101 | return m_pCache ? m_pCache->wasChanged() : false;
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102 | }
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103 |
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104 | void UIGlobalSettingsDisplay::loadToCacheFrom(QVariant &data)
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105 | {
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106 | /* Sanity check: */
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107 | if (!m_pCache)
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108 | return;
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109 |
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110 | /* Fetch data to properties: */
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111 | UISettingsPageGlobal::fetchData(data);
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112 |
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113 | /* Clear cache initially: */
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114 | m_pCache->clear();
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115 |
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116 | /* Cache old data: */
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117 | UIDataSettingsGlobalDisplay oldData;
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118 | oldData.m_guiMaximumGuestScreenSizeValue = UIMaximumGuestScreenSizeValue(gEDataManager->maxGuestResolutionPolicy(),
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119 | gEDataManager->maxGuestResolutionForPolicyFixed());
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120 | oldData.m_scaleFactors = gEDataManager->scaleFactors(UIExtraDataManager::GlobalID);
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121 | oldData.m_iFontScalingFactor = gEDataManager->fontScaleFactor();
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122 | oldData.m_fActivateHoveredMachineWindow = gEDataManager->activateHoveredMachineWindow();
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123 | #if defined(VBOX_WS_WIN) || defined(VBOX_WS_NIX)
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124 | oldData.m_fDisableHostScreenSaver = gEDataManager->disableHostScreenSaver();
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125 | #endif
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126 | m_pCache->cacheInitialData(oldData);
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127 |
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128 | /* Upload properties to data: */
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129 | UISettingsPageGlobal::uploadData(data);
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130 | }
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131 |
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132 | void UIGlobalSettingsDisplay::getFromCache()
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133 | {
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134 | /* Sanity check: */
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135 | if (!m_pCache)
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136 | return;
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137 |
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138 | /* Load old data from cache: */
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139 | const UIDataSettingsGlobalDisplay &oldData = m_pCache->base();
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140 | if (m_pEditorMaximumGuestScreenSize)
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141 | m_pEditorMaximumGuestScreenSize->setValue(oldData.m_guiMaximumGuestScreenSizeValue);
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142 | if (m_pEditorScaleFactor)
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143 | {
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144 | m_pEditorScaleFactor->setScaleFactors(oldData.m_scaleFactors);
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145 | m_pEditorScaleFactor->setMonitorCount(UIDesktopWidgetWatchdog::screenCount());
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146 | }
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147 | if (m_pFontScaleEditor)
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148 | m_pFontScaleEditor->setFontScaleFactor(oldData.m_iFontScalingFactor);
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149 | if (m_pEditorDisplayFeatures)
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150 | {
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151 | m_pEditorDisplayFeatures->setActivateOnMouseHover(oldData.m_fActivateHoveredMachineWindow);
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152 | m_pEditorDisplayFeatures->setDisableHostScreenSaver(oldData.m_fDisableHostScreenSaver);
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153 | }
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154 | }
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155 |
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156 | void UIGlobalSettingsDisplay::putToCache()
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157 | {
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158 | /* Sanity check: */
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159 | if (!m_pCache)
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160 | return;
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161 |
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162 | /* Prepare new data: */
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163 | UIDataSettingsGlobalDisplay newData = m_pCache->base();
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164 |
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165 | /* Cache new data: */
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166 | if (m_pEditorMaximumGuestScreenSize)
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167 | newData.m_guiMaximumGuestScreenSizeValue = m_pEditorMaximumGuestScreenSize->value();
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168 | if (m_pEditorScaleFactor)
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169 | newData.m_scaleFactors = m_pEditorScaleFactor->scaleFactors();
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170 | if (m_pFontScaleEditor)
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171 | newData.m_iFontScalingFactor = m_pFontScaleEditor->fontScaleFactor();
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172 | if (m_pEditorDisplayFeatures)
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173 | {
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174 | newData.m_fActivateHoveredMachineWindow = m_pEditorDisplayFeatures->activateOnMouseHover();
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175 | newData.m_fDisableHostScreenSaver = m_pEditorDisplayFeatures->disableHostScreenSaver();
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176 | }
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177 | m_pCache->cacheCurrentData(newData);
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178 | }
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179 |
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180 | void UIGlobalSettingsDisplay::saveFromCacheTo(QVariant &data)
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181 | {
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182 | /* Fetch data to properties: */
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183 | UISettingsPageGlobal::fetchData(data);
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184 |
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185 | /* Update data and failing state: */
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186 | setFailed(!saveData());
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187 |
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188 | /* Upload properties to data: */
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189 | UISettingsPageGlobal::uploadData(data);
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190 | }
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191 |
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192 | void UIGlobalSettingsDisplay::retranslateUi()
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193 | {
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194 | updateMinimumLayoutHint();
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195 | }
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196 |
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197 | void UIGlobalSettingsDisplay::handleFilterChange()
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198 | {
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199 | updateMinimumLayoutHint();
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200 | }
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201 |
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202 | void UIGlobalSettingsDisplay::prepare()
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203 | {
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204 | /* Prepare cache: */
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205 | m_pCache = new UISettingsCacheGlobalDisplay;
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206 | AssertPtrReturnVoid(m_pCache);
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207 |
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208 | /* Prepare everything: */
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209 | prepareWidgets();
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210 |
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211 | /* Apply language settings: */
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212 | retranslateUi();
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213 | }
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214 |
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215 | void UIGlobalSettingsDisplay::prepareWidgets()
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216 | {
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217 | /* Prepare main layout: */
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218 | QVBoxLayout *pLayout = new QVBoxLayout(this);
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219 | if (pLayout)
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220 | {
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221 | /* Prepare 'maximum guest screen size' editor: */
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222 | m_pEditorMaximumGuestScreenSize = new UIMaximumGuestScreenSizeEditor(this);
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223 | if (m_pEditorMaximumGuestScreenSize)
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224 | {
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225 | addEditor(m_pEditorMaximumGuestScreenSize);
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226 | pLayout->addWidget(m_pEditorMaximumGuestScreenSize);
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227 | }
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228 |
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229 | /* Prepare 'scale-factor' editor: */
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230 | m_pEditorScaleFactor = new UIScaleFactorEditor(this);
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231 | if (m_pEditorScaleFactor)
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232 | {
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233 | addEditor(m_pEditorScaleFactor);
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234 | pLayout->addWidget(m_pEditorScaleFactor);
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235 | }
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236 |
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237 | /* Prepare 'font scale' editor: */
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238 | m_pFontScaleEditor = new UIFontScaleEditor(this);
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239 | if (m_pFontScaleEditor)
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240 | {
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241 | addEditor(m_pFontScaleEditor);
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242 | pLayout->addWidget(m_pFontScaleEditor);
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243 | }
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244 |
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245 | /* Prepare 'display features' editor: */
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246 | m_pEditorDisplayFeatures = new UIDisplayFeaturesEditor(this);
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247 | if (m_pEditorDisplayFeatures)
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248 | {
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249 | addEditor(m_pEditorDisplayFeatures);
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250 | pLayout->addWidget(m_pEditorDisplayFeatures);
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251 | }
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252 |
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253 | /* Add stretch to the end: */
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254 | pLayout->addStretch();
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255 | }
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256 | }
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257 |
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258 | void UIGlobalSettingsDisplay::cleanup()
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259 | {
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260 | /* Cleanup cache: */
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261 | delete m_pCache;
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262 | m_pCache = 0;
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263 | }
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264 |
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265 | bool UIGlobalSettingsDisplay::saveData()
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266 | {
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267 | /* Sanity check: */
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268 | if (!m_pCache)
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269 | return false;
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270 |
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271 | /* Prepare result: */
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272 | bool fSuccess = true;
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273 | /* Save display settings from cache: */
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274 | if ( fSuccess
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275 | && m_pCache->wasChanged())
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276 | {
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277 | /* Get old data from cache: */
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278 | const UIDataSettingsGlobalDisplay &oldData = m_pCache->base();
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279 | /* Get new data from cache: */
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280 | const UIDataSettingsGlobalDisplay &newData = m_pCache->data();
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281 |
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282 | /* Save maximum guest screen size and policy: */
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283 | if ( fSuccess
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284 | && newData.m_guiMaximumGuestScreenSizeValue != oldData.m_guiMaximumGuestScreenSizeValue)
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285 | /* fSuccess = */ gEDataManager->setMaxGuestScreenResolution(newData.m_guiMaximumGuestScreenSizeValue.m_enmPolicy,
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286 | newData.m_guiMaximumGuestScreenSizeValue.m_size);
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287 | /* Save guest-screen scale-factor: */
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288 | if ( fSuccess
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289 | && newData.m_scaleFactors != oldData.m_scaleFactors)
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290 | /* fSuccess = */ gEDataManager->setScaleFactors(newData.m_scaleFactors, UIExtraDataManager::GlobalID);
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291 | /* Save font scale factor: */
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292 | if ( fSuccess
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293 | && newData.m_iFontScalingFactor != oldData.m_iFontScalingFactor)
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294 | /* fSuccess = */ gEDataManager->setFontScaleFactor(newData.m_iFontScalingFactor);
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295 | /* Save whether hovered machine-window should be activated automatically: */
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296 | if ( fSuccess
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297 | && newData.m_fActivateHoveredMachineWindow != oldData.m_fActivateHoveredMachineWindow)
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298 | /* fSuccess = */ gEDataManager->setActivateHoveredMachineWindow(newData.m_fActivateHoveredMachineWindow);
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299 | #if defined(VBOX_WS_WIN) || defined(VBOX_WS_NIX)
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300 | /* Save whether the host screen saver is to be disable when a vm is running: */
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301 | if ( fSuccess
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302 | && newData.m_fDisableHostScreenSaver != oldData.m_fDisableHostScreenSaver)
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303 | /* fSuccess = */ gEDataManager->setDisableHostScreenSaver(newData.m_fDisableHostScreenSaver);
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304 | #endif /* VBOX_WS_WIN || VBOX_WS_NIX */
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305 | }
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306 | /* Return result: */
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307 | return fSuccess;
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308 | }
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309 |
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310 | void UIGlobalSettingsDisplay::updateMinimumLayoutHint()
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311 | {
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312 | /* These editors have own labels, but we want them to be properly layouted according to each other: */
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313 | int iMinimumLayoutHint = 0;
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314 | if (m_pEditorMaximumGuestScreenSize && !m_pEditorMaximumGuestScreenSize->isHidden())
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315 | iMinimumLayoutHint = qMax(iMinimumLayoutHint, m_pEditorMaximumGuestScreenSize->minimumLabelHorizontalHint());
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316 | if (m_pEditorScaleFactor && !m_pEditorScaleFactor->isHidden())
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317 | iMinimumLayoutHint = qMax(iMinimumLayoutHint, m_pEditorScaleFactor->minimumLabelHorizontalHint());
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318 | if (m_pFontScaleEditor && !m_pFontScaleEditor->isHidden())
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319 | iMinimumLayoutHint = qMax(iMinimumLayoutHint, m_pFontScaleEditor->minimumLabelHorizontalHint());
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320 | if (m_pEditorDisplayFeatures && !m_pEditorDisplayFeatures->isHidden())
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321 | iMinimumLayoutHint = qMax(iMinimumLayoutHint, m_pEditorDisplayFeatures->minimumLabelHorizontalHint());
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322 | if (m_pEditorMaximumGuestScreenSize)
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323 | m_pEditorMaximumGuestScreenSize->setMinimumLayoutIndent(iMinimumLayoutHint);
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324 | if (m_pEditorScaleFactor)
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325 | m_pEditorScaleFactor->setMinimumLayoutIndent(iMinimumLayoutHint);
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326 | if (m_pFontScaleEditor)
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327 | m_pFontScaleEditor->setMinimumLayoutIndent(iMinimumLayoutHint);
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328 | if (m_pEditorDisplayFeatures)
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329 | m_pEditorDisplayFeatures->setMinimumLayoutIndent(iMinimumLayoutHint);
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330 | }
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