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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <HbInstance> |
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19 |
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20 #include "hsdomainmodeldatastructures.h" |
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21 #include "hspagenewwidgetlayout.h" |
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22 #include "hsscene.h" |
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23 #include "hsdatabase.h" |
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24 #include "hswidgethost.h" |
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25 #include "hswallpaper.h" |
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26 #include "hswidgetpositioningonwidgetadd.h" |
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27 #include "hswidgetpositioningonorientationchange.h" |
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28 #include "hsconfiguration.h" |
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29 |
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30 |
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31 /*! |
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32 \class HsPageNewWidgetLayout |
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33 \ingroup group_hsdomainmodel |
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34 \brief Represents a page in the framework. |
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35 HsPage is a parent for a group of widgets. HsPage can have a wallpaper. |
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36 */ |
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37 |
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38 /*! |
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39 Constructor. |
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40 |
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41 \a parent Owner. |
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42 */ |
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43 HsPageNewWidgetLayout::HsPageNewWidgetLayout(const QPointF &touchPoint, |
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44 QGraphicsLayoutItem *parent) |
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45 : QGraphicsLayout(parent), |
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46 mTouchPoint(touchPoint) |
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47 { |
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48 mSize = HsScene::mainWindow()->layoutRect().size(); |
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49 } |
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50 |
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51 /*! |
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52 Destructor. |
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53 */ |
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54 HsPageNewWidgetLayout::~HsPageNewWidgetLayout() |
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55 { |
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56 } |
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57 |
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58 /*! |
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59 Returns children count. |
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60 */ |
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61 int HsPageNewWidgetLayout::count() const |
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62 { |
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63 return mNewWidgets.count(); |
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64 } |
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65 |
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66 /*! |
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67 Returns item index of \a i. |
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68 */ |
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69 QGraphicsLayoutItem *HsPageNewWidgetLayout::itemAt(int i) const |
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70 { |
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71 return mNewWidgets.at(i); |
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72 } |
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73 |
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74 /*! |
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75 Removes item \a index. |
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76 */ |
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77 void HsPageNewWidgetLayout::removeAt(int index) |
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78 { |
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79 mNewWidgets.removeAt(index); |
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80 } |
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81 |
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82 /*! |
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83 Size hint. |
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84 */ |
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85 QSizeF HsPageNewWidgetLayout::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
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86 { |
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87 switch (which) { |
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88 case Qt::MinimumSize: |
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89 case Qt::PreferredSize: |
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90 return mSize; |
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91 case Qt::MaximumSize: |
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92 return mSize; |
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93 default: |
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94 break; |
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95 } |
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96 return constraint; |
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97 } |
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98 |
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99 /*! |
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100 Recalculates children positions. |
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101 */ |
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102 void HsPageNewWidgetLayout::setGeometry(const QRectF &rect) |
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103 { |
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104 QGraphicsLayout::setGeometry(rect); |
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105 |
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106 QList<QRectF> rects; |
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107 foreach (HsWidgetHost *newWidget, mNewWidgets) { |
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108 rects << QRectF(QPointF(), newWidget->preferredSize()); |
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109 } |
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110 |
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111 /* if there is touch point defined (widget added from context menu) |
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112 then there is only one widget in the list |
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113 -> set widget center point to this touch point |
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114 */ |
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115 if (mTouchPoint != QPointF() && mNewWidgets.count() == 1) { |
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116 QRectF pageRect = HsScene::mainWindow()->layoutRect(); |
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117 qreal widgetX = qBound(qreal(0), mTouchPoint.x() - rects.at(0).width() / 2, pageRect.width() - rects.at(0).width()); |
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118 qreal widgetY = qBound(qreal(64), mTouchPoint.y() - rects.at(0).height() / 2, pageRect.height() - rects.at(0).height()); |
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119 mNewWidgets.at(0)->setGeometry(widgetX, |
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120 widgetY, |
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121 rects.at(0).width(), |
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122 rects.at(0).height()); |
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123 /* we have to save widget presentation data here after drawing |
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124 to get correct position for later use |
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125 */ |
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126 mNewWidgets.at(0)->savePresentation(); |
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127 } |
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128 // otherwise calculate position with algorithm |
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129 else { |
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130 HsWidgetPositioningOnWidgetAdd *algorithm = |
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131 HsWidgetPositioningOnWidgetAdd::instance(); |
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132 QRectF pageRect = HsScene::mainWindow()->layoutRect(); |
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133 pageRect.adjust( (qreal)0,(qreal)64,(qreal)0,(qreal)0); |
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134 QList<QRectF> calculatedRects = |
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135 algorithm->convert(pageRect, rects, QPointF()); |
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136 |
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137 for ( int i=0; i<mNewWidgets.count(); i++) { |
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138 mNewWidgets.at(i)->setGeometry(calculatedRects.at(i)); |
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139 mNewWidgets.at(i)->savePresentation(); |
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140 } |
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141 } |
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142 } |
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143 |
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144 /*! |
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145 Adds item to layout. |
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146 */ |
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147 void HsPageNewWidgetLayout::addItem(HsWidgetHost *item) |
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148 { |
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149 mNewWidgets.append(item); |
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150 } |