1 | /* $Id: QIDialogButtonBox.cpp 30356 2010-06-22 08:42:22Z vboxsync $ */
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2 | /** @file
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3 | *
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4 | * VBox frontends: Qt GUI ("VirtualBox"):
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5 | * VirtualBox Qt extensions: QIDialogButtonBox class implementation
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6 | */
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7 |
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8 | /*
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9 | * Copyright (C) 2008 Oracle Corporation
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10 | *
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11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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12 | * available from http://www.virtualbox.org. This file is free software;
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13 | * you can redistribute it and/or modify it under the terms of the GNU
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14 | * General Public License (GPL) as published by the Free Software
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15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | */
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19 |
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20 | #include "QIDialogButtonBox.h"
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21 | #include "UISpecialControls.h"
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22 |
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23 | #include <iprt/assert.h>
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24 |
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25 | /* Qt includes */
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26 | #include <QPushButton>
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27 | #include <QEvent>
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28 | #include <QBoxLayout>
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29 |
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30 | QIDialogButtonBox::QIDialogButtonBox (StandardButtons aButtons, Qt::Orientation aOrientation, QWidget *aParent)
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31 | : QIWithRetranslateUI<QDialogButtonBox> (aParent)
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32 | {
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33 | setOrientation (aOrientation);
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34 | setStandardButtons (aButtons);
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35 |
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36 | retranslateUi();
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37 | }
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38 |
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39 | QPushButton *QIDialogButtonBox::button (StandardButton aWhich) const
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40 | {
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41 | QPushButton *button = QDialogButtonBox::button (aWhich);
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42 | if (!button &&
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43 | aWhich == QDialogButtonBox::Help)
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44 | button = mHelpButton;
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45 | return button;
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46 | }
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47 |
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48 | QPushButton *QIDialogButtonBox::addButton (const QString &aText, ButtonRole aRole)
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49 | {
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50 | QPushButton *btn = QDialogButtonBox::addButton (aText, aRole);
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51 | retranslateUi();
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52 | return btn;
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53 | }
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54 |
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55 | QPushButton *QIDialogButtonBox::addButton (StandardButton aButton)
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56 | {
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57 | QPushButton *btn = QDialogButtonBox::addButton (aButton);
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58 | retranslateUi();
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59 | return btn;
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60 | }
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61 |
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62 | void QIDialogButtonBox::setStandardButtons (StandardButtons aButtons)
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63 | {
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64 | QDialogButtonBox::setStandardButtons (aButtons);
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65 | retranslateUi();
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66 | }
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67 |
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68 | void QIDialogButtonBox::addExtraWidget (QWidget* aWidget)
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69 | {
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70 | QBoxLayout *layout = boxLayout();
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71 | int index = findEmptySpace (layout);
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72 | layout->insertWidget (index + 1, aWidget);
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73 | layout->insertStretch(index + 2);
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74 | }
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75 |
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76 |
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77 | void QIDialogButtonBox::addExtraLayout (QLayout* aLayout)
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78 | {
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79 | QBoxLayout *layout = boxLayout();
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80 | int index = findEmptySpace (layout);
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81 | layout->insertLayout (index + 1, aLayout);
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82 | layout->insertStretch(index + 2);
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83 | }
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84 |
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85 | QBoxLayout *QIDialogButtonBox::boxLayout() const
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86 | {
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87 | QBoxLayout *boxlayout = qobject_cast<QBoxLayout*> (layout());
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88 | AssertMsg (VALID_PTR (boxlayout), ("Layout of the QDialogButtonBox isn't a box layout."));
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89 | return boxlayout;
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90 | }
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91 |
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92 | int QIDialogButtonBox::findEmptySpace (QBoxLayout *aLayout) const
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93 | {
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94 | /* Search for the first occurrence of QSpacerItem and return the index.
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95 | * Please note that this is Qt internal, so it may change at any time. */
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96 | int i=0;
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97 | for (; i < aLayout->count(); ++i)
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98 | {
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99 | QLayoutItem *item = aLayout->itemAt(i);
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100 | if (item->spacerItem())
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101 | break;
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102 | }
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103 | return i;
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104 | }
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105 |
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106 | void QIDialogButtonBox::retranslateUi()
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107 | {
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108 | QPushButton *btn = QDialogButtonBox::button (QDialogButtonBox::Help);
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109 | if (btn)
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110 | {
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111 | /* Use our very own help button if the user requested for one. */
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112 | if (!mHelpButton)
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113 | mHelpButton = new UIHelpButton;
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114 | mHelpButton->initFrom (btn);
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115 | removeButton (btn);
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116 | QDialogButtonBox::addButton (mHelpButton, QDialogButtonBox::HelpRole);
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117 | }
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118 | }
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119 |
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