author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 12:46:08 +0300 | |
changeset 51 | 4785f57bf3d4 |
parent 46 | 23b5d6a29cce |
child 55 | 03646e8da489 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include <QPainter> |
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#include <QRectF> |
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#include <QGraphicsLinearLayout> |
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#include <HbInstance> |
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#include "hsdomainmodeldatastructures.h" |
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#include "hspage.h" |
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#include "hsscene.h" |
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#include "hsdatabase.h" |
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#include "hswidgethost.h" |
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#include "hswallpaper.h" |
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#include "hswidgetpositioningonwidgetadd.h" |
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|
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/*! |
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\class HsPage |
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\ingroup group_hsutils |
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\brief Represents a page in the framework. |
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HsPage is a parent for a group of widgets. HsPage can have a wallpaper. |
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*/ |
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|
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/*! |
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Constructor. |
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\a parent Owner. |
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\a aFlags Window flags. |
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*/ |
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HsPage::HsPage(QGraphicsItem* parent) |
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: HbWidget(parent), |
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mDatabaseId(-1), |
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mRemovable(true) |
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{ |
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setFlag(QGraphicsItem::ItemHasNoContents); |
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setSizePolicy(QSizePolicy(QSizePolicy::Ignored, |
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QSizePolicy::Ignored)); |
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} |
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|
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/*! |
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Destructor. |
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*/ |
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HsPage::~HsPage() |
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{ |
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} |
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|
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/*! |
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Returns the database id. |
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*/ |
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int HsPage::databaseId() const |
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{ |
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return mDatabaseId; |
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} |
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/*! |
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Sets the database id to \a id. |
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*/ |
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void HsPage::setDatabaseId(int id) |
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{ |
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mDatabaseId = id; |
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} |
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/*! |
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Loads widgets. |
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*/ |
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bool HsPage::load() |
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{ |
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if (mDatabaseId < 0) { |
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return false; |
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} |
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HsDatabase *db = HsDatabase::instance(); |
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QList<HsWidgetData> datas; |
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if (!db->widgets(mDatabaseId, datas)) { |
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return false; |
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} |
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foreach (HsWidgetData data, datas) { |
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QScopedPointer<HsWidgetHost> widget(new HsWidgetHost(data.id)); |
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if(!widget->load() || !widget->isValid()) { |
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continue; |
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} |
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connectWidget(widget.data()); |
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widget->setPage(this); |
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widget->initializeWidget(); |
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if (widget->state() != HsWidgetHost::Initialized) { |
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continue; |
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} |
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widget->showWidget(); |
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|
106 |
mWidgets.append(widget.data()); |
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|
107 |
widget->setParentItem(this); |
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|
108 |
widget.take(); // now this page owns widget |
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|
109 |
} |
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|
110 |
|
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|
111 |
return true; |
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112 |
} |
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|
113 |
|
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114 |
bool HsPage::addExistingWidget(HsWidgetHost *widgetHost) |
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115 |
{ |
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116 |
if (!widgetHost) { |
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return false; |
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118 |
} |
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119 |
|
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120 |
if (mWidgets.contains(widgetHost)) { |
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121 |
return true; |
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122 |
} |
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123 |
|
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124 |
if (!widgetHost->setPage(this)) { |
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125 |
return false; |
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126 |
} |
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127 |
|
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128 |
connectWidget(widgetHost); |
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129 |
mWidgets << widgetHost; |
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widgetHost->setParentItem(this); |
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131 |
|
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132 |
return true; |
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133 |
} |
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134 |
|
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135 |
bool HsPage::removeWidget(HsWidgetHost *widgetHost) |
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136 |
{ |
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|
137 |
if (!widgetHost || !widgetHost->setPage(0)) { |
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|
138 |
return false; |
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139 |
} |
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|
140 |
|
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|
141 |
disconnectWidget(widgetHost); |
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142 |
mWidgets.removeOne(widgetHost); |
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|
143 |
widgetHost->setParentItem(0); |
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|
144 |
|
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145 |
return true; |
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146 |
} |
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147 |
|
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148 |
QList<HsWidgetHost *> HsPage::newWidgets() |
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149 |
{ |
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150 |
return mNewWidgets; |
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151 |
} |
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|
152 |
|
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153 |
/*! |
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154 |
Adds new widget into a page. Returns true if successfull. |
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155 |
*/ |
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156 |
bool HsPage::addNewWidget(HsWidgetHost* widgetHost) |
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157 |
{ |
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|
158 |
if (!widgetHost || mWidgets.contains(widgetHost)) { |
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159 |
return false; |
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160 |
} |
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|
161 |
|
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162 |
if (mNewWidgets.contains(widgetHost)) { |
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163 |
return true; |
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|
164 |
} |
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|
165 |
|
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166 |
// Set presentation. |
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167 |
QString key = HsScene::orientation() == Qt::Horizontal ? |
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168 |
"landscape" : "portrait"; |
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|
169 |
|
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|
170 |
HsWidgetPresentationData presentation; |
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|
171 |
if (!widgetHost->widgetPresentationData(key, presentation)) { |
36
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|
172 |
presentation.key = key; |
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|
173 |
presentation.setPos(QPointF()); |
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|
174 |
presentation.zValue = 0; |
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|
175 |
widgetHost->setWidgetPresentationData(presentation); |
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|
176 |
} |
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|
177 |
|
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|
178 |
widgetHost->hide(); |
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|
179 |
widgetHost->setPos(presentation.x, presentation.y); |
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|
180 |
widgetHost->setZValue(presentation.zValue); |
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|
181 |
|
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|
182 |
connectWidget(widgetHost); |
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|
183 |
mNewWidgets << widgetHost; |
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|
184 |
|
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|
185 |
return true; |
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|
186 |
} |
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|
187 |
|
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|
188 |
/*! |
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|
189 |
Layouts all the new widgets |
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|
190 |
*/ |
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|
191 |
void HsPage::layoutNewWidgets() |
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|
192 |
{ |
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|
193 |
if (mNewWidgets.isEmpty()) { |
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|
194 |
return; |
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|
195 |
} |
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|
196 |
|
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|
197 |
QString key = HsScene::orientation() == Qt::Horizontal ? |
36
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|
198 |
"landscape" : "portrait"; |
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|
199 |
|
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|
200 |
QList<QRectF> rects; |
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|
201 |
|
36
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|
202 |
foreach (HsWidgetHost *newWidget, mNewWidgets) { |
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|
203 |
rects << newWidget->rect(); |
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|
204 |
} |
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|
205 |
|
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|
206 |
HsWidgetPositioningOnWidgetAdd *algorithm = |
36
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|
207 |
HsWidgetPositioningOnWidgetAdd::instance(); |
46
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|
208 |
|
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|
209 |
QList<QRectF> calculatedRects = |
39
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Revision: 201015
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|
210 |
algorithm->convert(HsScene::mainWindow()->layoutRect(), rects, QPointF()); |
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updateZValues(); |
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HsWidgetHost *widget = 0; |
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for (int i = 0; i < mNewWidgets.count(); ++i) { |
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widget = mNewWidgets.at(i); |
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widget->setGeometry(calculatedRects.at(i)); |
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widget->setWidgetPresentation(); |
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widget->setPage(this); |
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widget->setParentItem(this); |
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widget->show(); |
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} |
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mWidgets << mNewWidgets; |
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mNewWidgets.clear(); |
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} |
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|
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bool HsPage::deleteFromDatabase() |
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{ |
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HsDatabase *db = HsDatabase::instance(); |
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foreach (HsWidgetHost *widget, mWidgets) { |
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if (!widget->deleteFromDatabase()) { |
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return false; |
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} |
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} |
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|
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if (!db->deletePage(mDatabaseId)) { |
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return false; |
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} |
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return true; |
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} |
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|
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QList<HsWidgetHost *> HsPage::widgets() const |
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{ |
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return mWidgets; |
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} |
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|
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/*! |
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Returns true if the page can be removed. Otherwise, |
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returns false. |
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*/ |
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bool HsPage::isRemovable() const |
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{ |
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return mRemovable; |
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} |
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|
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/*! |
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Sets removable flag to \a removable. |
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*/ |
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void HsPage::setRemovable(bool removable) |
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{ |
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mRemovable = removable; |
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} |
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|
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HsPage *HsPage::createInstance(const HsPageData &pageData) |
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{ |
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HsDatabase *db = HsDatabase::instance(); |
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Q_ASSERT(db); |
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|
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HsPageData data(pageData); |
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if (db->insertPage(data)) { |
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HsPage *page = new HsPage; |
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page->setDatabaseId(data.id); |
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return page; |
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} |
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|
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return 0; |
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} |
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|
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/*! |
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Calls onShow() for contained widgets. |
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*/ |
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void HsPage::showWidgets() |
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{ |
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foreach (HsWidgetHost *widget, mWidgets) { |
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if (widget->parentItem() == this) { |
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widget->showWidget(); |
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} |
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} |
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} |
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|
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/*! |
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Calls onHide() for contained widgets. |
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*/ |
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void HsPage::hideWidgets() |
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{ |
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foreach (HsWidgetHost *widget, mWidgets) { |
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if (widget->parentItem() == this) { |
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widget->hideWidget(); |
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} |
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} |
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} |
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|
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/*! |
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Propogate online state to widgets. |
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*/ |
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void HsPage::setOnline(bool online) |
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{ |
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foreach (HsWidgetHost *widget, mNewWidgets) { |
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widget->setOnline(online); |
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} |
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foreach (HsWidgetHost *widget, mWidgets) { |
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widget->setOnline(online); |
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} |
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} |
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|
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void HsPage::updateZValues() |
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{ |
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int z = 0; |
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|
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if (!mWidgets.isEmpty()) { |
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QMultiMap<qreal, HsWidgetHost *> map; |
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foreach (HsWidgetHost *widget, mWidgets) { |
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map.insert(widget->zValue(), widget); |
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} |
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QList<HsWidgetHost *> sortedWidgets = map.values(); |
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|
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HsWidgetHost *activeWidget = HsScene::instance()->activeWidget(); |
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if (sortedWidgets.contains(activeWidget)) { |
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sortedWidgets.removeOne(activeWidget); |
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sortedWidgets.append(activeWidget); |
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} |
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|
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foreach (HsWidgetHost *widget, sortedWidgets) { |
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widget->setZValue(z++); |
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widget->setWidgetPresentation(); |
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} |
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} |
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|
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if (!mNewWidgets.isEmpty()) { |
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foreach (HsWidgetHost *widget, mNewWidgets) { |
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widget->setZValue(z++); |
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widget->setWidgetPresentation(); |
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} |
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} |
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} |
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|
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int HsPage::pageIndex() |
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{ |
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return HsScene::instance()->pages().indexOf(this); |
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} |
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355 |
|
35
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void HsPage::connectWidget(HsWidgetHost *widget) |
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{ |
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connect(widget, SIGNAL(widgetFinished(HsWidgetHost*)), |
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SLOT(onWidgetFinished(HsWidgetHost*))); |
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connect(widget, SIGNAL(widgetResized(HsWidgetHost*)), |
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SLOT(onWidgetResized(HsWidgetHost*))); |
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} |
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|
35
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void HsPage::disconnectWidget(HsWidgetHost *widget) |
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{ |
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widget->disconnect(this); |
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} |
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|
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void HsPage::onWidgetFinished(HsWidgetHost *widget) |
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{ |
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Q_ASSERT(widget); |
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// It can be in new widget list if we haven't layouted it yet |
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// or layouted new widget and widget list |
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if (!mNewWidgets.removeOne(widget)) { |
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mWidgets.removeOne(widget); |
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} |
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|
35
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disconnectWidget(widget); |
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widget->uninitializeWidget(); |
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widget->deleteFromDatabase(); |
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widget->deleteLater(); |
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} |
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|
383 |
|
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|
384 |
/*! |
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385 |
Calculates new widget position on page when widget size changes |
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|
386 |
*/ |
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void HsPage::onWidgetResized(HsWidgetHost *widget) |
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388 |
{ |
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QRectF widgetRect = widget->geometry(); |
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|
390 |
|
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QRectF pageRect = HsScene::mainWindow()->layoutRect(); |
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|
392 |
|
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393 |
qreal lowerBoundX = 0; |
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|
394 |
|
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qreal upperBoundX = pageRect.width() - widgetRect.width() / 2 - 10; |
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upperBoundX = pageRect.width() - widgetRect.width(); |
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|
397 |
|
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|
398 |
qreal widgetX = qBound(lowerBoundX, widgetRect.x(), upperBoundX); |
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|
399 |
qreal widgetY = qBound(qreal(64), widgetRect.y(), pageRect.height() - widgetRect.height()); |
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|
400 |
|
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|
401 |
widget->setPos(widgetX, widgetY); |
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|
402 |
} |
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|
403 |