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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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6 ** |
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7 ** This file is part of the HbInput module of the UI Extensions for Mobile. |
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8 ** |
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9 ** GNU Lesser General Public License Usage |
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10 ** This file may be used under the terms of the GNU Lesser General Public |
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11 ** License version 2.1 as published by the Free Software Foundation and |
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12 ** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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13 ** Please review the following information to ensure the GNU Lesser General |
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14 ** Public License version 2.1 requirements will be met: |
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15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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16 ** |
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17 ** In addition, as a special exception, Nokia gives you certain additional |
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18 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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20 ** |
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21 ** If you have questions regarding the use of this file, please contact |
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22 ** Nokia at developer.feedback@nokia.com. |
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23 ** |
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24 ****************************************************************************/ |
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25 |
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26 #include <QGraphicsWidget> |
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27 #include <QPointer> |
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28 #include <QIcon> |
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29 #include <QGraphicsSceneMouseEvent> |
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30 #include <QGraphicsLinearLayout> |
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31 #if QT_VERSION >= 0x040600 |
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32 #include <QGraphicsDropShadowEffect> |
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33 #endif |
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34 |
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35 #include "hbdeviceprofile.h" |
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36 #include "hbdialog.h" |
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37 #include "hblabel.h" |
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38 #include "hbstyleoptionlabel.h" |
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39 #include "hbinputexactwordpopup.h" |
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40 #include "hbiconitem.h" |
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41 #include "hbinputsettingproxy.h" |
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42 #include "hbframeitem.h" |
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43 #include "hbframedrawer.h" |
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44 #include "hbcolorscheme.h" |
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45 #include "hbdialog_p.h" |
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46 |
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47 const QSizeF HbExactWordPopupSize(10,10); |
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48 const QPointF HbExactWordPopupStartupDisplay(12, 33); |
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49 |
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50 class HbExactWordPopupPrivate : public HbDialogPrivate |
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51 { |
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52 Q_DECLARE_PUBLIC(HbExactWordPopup) |
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53 |
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54 public: |
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55 HbExactWordPopupPrivate(); |
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56 ~HbExactWordPopupPrivate(); |
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57 |
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58 void initBackground(); |
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59 |
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60 public: |
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61 HbLabel *mText; |
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62 HbStyleOptionLabel *mOption; |
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63 HbIconItem *iconPrim; |
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64 HbFrameItem *mPopupBackground; |
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65 }; |
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66 |
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67 HbExactWordPopupPrivate::HbExactWordPopupPrivate(){ |
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68 mText = 0; |
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69 mOption = 0; |
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70 iconPrim = 0; |
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71 } |
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72 |
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73 HbExactWordPopupPrivate::~HbExactWordPopupPrivate(){ |
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74 delete mOption; |
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75 mOption = 0; |
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76 } |
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77 |
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78 void HbExactWordPopupPrivate::initBackground() |
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79 { |
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80 Q_Q(HbExactWordPopup); |
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81 |
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82 mPopupBackground = static_cast<HbFrameItem*>(q->primitive( HbStyle::P_Popup_background)); |
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83 |
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84 if( mPopupBackground == 0 ) { |
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85 mPopupBackground = static_cast<HbFrameItem*>(q->style()->createPrimitive((HbStyle::Primitive)(HbStyle::P_Popup_background), q)); |
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86 } |
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87 |
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88 if ( mPopupBackground->frameDrawer().isNull()) { |
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89 HbFrameDrawer* fd = new HbFrameDrawer("qtg_fr_popup_secondary", HbFrameDrawer::NinePieces); |
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90 mPopupBackground->setFrameDrawer(fd); |
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91 } |
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92 |
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93 // the size of the layout in the base class has been set to 0, reset it by passing an invalid size to setMinimumSize |
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94 if(mainLayout) { |
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95 mainLayout->setMinimumSize(-1, -1); |
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96 } |
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97 |
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98 } |
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99 |
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100 HbExactWordPopup* HbExactWordPopup::instance( HbExactWordPopupIndicator indicatorArrow ) { |
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101 static QPointer<HbExactWordPopup> exactWordPopup; |
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102 if (!exactWordPopup) { |
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103 // HbExactWordPopup is owned by the scene |
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104 exactWordPopup = new HbExactWordPopup( 0, indicatorArrow ); |
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105 } |
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106 return exactWordPopup; |
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107 } |
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108 |
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109 /*! |
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110 Constructor. |
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111 \param parent An optional parameter. |
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112 */ |
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113 HbExactWordPopup::HbExactWordPopup(QGraphicsWidget *parent, HbExactWordPopupIndicator indicatorArrow ) : |
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114 HbDialog(*new HbExactWordPopupPrivate(), parent) |
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115 { |
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116 Q_D(HbExactWordPopup); |
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117 d->mText = new HbLabel(this); |
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118 d->mText->setAlignment(Qt::AlignCenter); |
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119 |
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120 d->setPriority(HbPopupPrivate::VirtualKeyboard + 1); // Should be shown on top of virtual keyboard. |
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121 |
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122 d->initBackground(); |
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123 |
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124 setTimeout(HbPopup::NoTimeout); |
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125 setBackgroundFaded(false); |
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126 setVisible(false); |
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127 setDismissPolicy(HbPopup::TapInside); |
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128 setFocusPolicy(Qt::ClickFocus); |
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129 setContentWidget(d->mText); |
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130 setModal(false); |
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131 |
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132 #if QT_VERSION >= 0x040600 |
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133 // Make sure the excat word popup never steals focus. |
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134 setFlag(QGraphicsItem::ItemIsPanel, true); |
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135 setActive(false); |
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136 |
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137 // enable drop shadow for the preview pane |
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138 QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect; |
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139 effect->setBlurRadius(8); |
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140 setGraphicsEffect(effect); |
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141 #endif |
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142 |
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143 d->mOption = new HbStyleOptionLabel(); |
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144 if(d->mOption != 0 ) { |
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145 d->mOption->text = QString(" "); |
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146 d->mOption->boundingRect = QRectF(HbExactWordPopupStartupDisplay,HbExactWordPopupSize); |
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147 // for hardware keypad, we need to show the arrow to indicate the word |
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148 // and in virtual keypad this is not needed, so set the image accordingly |
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149 setIndicatorArrow( indicatorArrow ); |
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150 d->mOption->alignment = Qt::AlignCenter; |
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151 } |
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152 |
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153 d->iconPrim = static_cast<HbIconItem*>(primitive(HbStyle::P_Label_icon)); |
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154 if(d->iconPrim == 0) { |
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155 d->iconPrim = static_cast<HbIconItem*>(style()->createPrimitive((HbStyle::Primitive)(HbStyle::P_Label_icon), this)); |
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156 } |
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157 style()->updatePrimitive(d->iconPrim, (HbStyle::Primitive)(HbStyle::P_Label_icon), d->mOption); |
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158 } |
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159 |
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160 /*! |
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161 Returns the text of the tooltip. The default value is "Exact Word popup text". |
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162 |
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163 \sa setText() |
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164 */ |
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165 |
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166 QString HbExactWordPopup::text() |
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167 { |
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168 Q_D(HbExactWordPopup); |
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169 return d->mText->plainText(); |
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170 } |
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171 |
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172 /*! |
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173 Sets the text of the label within the progress note. |
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174 |
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175 \sa text() |
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176 */ |
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177 void HbExactWordPopup::setText(const QString &newText) |
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178 { |
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179 Q_D(HbExactWordPopup); |
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180 d->mText->setPlainText(newText); |
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181 |
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182 QRectF ps=QRectF(QPointF(0,0), d->mText->preferredSize()).adjusted(-9,-9,9,9); |
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183 resize(ps.size()); |
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184 } |
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185 |
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186 /*! |
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187 Displays exact word popup at a given point |
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188 |
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189 \sa hideText() |
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190 */ |
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191 void HbExactWordPopup::showText(QPointF pos) |
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192 { |
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193 // the popup should know at this stage in which main window/scene it's been launched at. |
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194 int screenWidth = 0; |
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195 if ( mainWindow() ) { |
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196 screenWidth = HbDeviceProfile::profile(this).logicalSize().width(); |
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197 } else { |
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198 // this is the fall-back if the main window is not know - can be removed when popup |
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199 // is not relying on the primary window anymore. |
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200 screenWidth = HbDeviceProfile::profile(mainWindow()).logicalSize().width(); |
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201 } |
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202 |
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203 const QRectF br = boundingRect(); |
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204 const qreal brCenter = br.width()/2; |
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205 pos.setX(pos.x()-brCenter); |
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206 // fix x position to keep tooltip visible |
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207 const qreal requiredWidth = pos.x()+br.width(); |
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208 if (requiredWidth > screenWidth) { |
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209 pos.setX(pos.x()-(requiredWidth-screenWidth)); |
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210 } else if (0 > pos.x()) { |
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211 pos.setX(0); |
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212 } |
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213 pos.setY(pos.y()-br.height()); |
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214 setPos(pos); |
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215 |
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216 QSizeF mySize = size(); |
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217 mySize.setHeight(HbExactWordPopupSize.height()); |
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218 resize(mySize); |
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219 |
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220 Q_D(HbExactWordPopup); |
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221 d->mOption->boundingRect = QRectF(rect().center().x() - (HbExactWordPopupSize.width()/2),rect().bottom(),HbExactWordPopupSize.width(),HbExactWordPopupSize.height()); |
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222 style()->updatePrimitive(d->iconPrim, (HbStyle::Primitive)(HbStyle::P_Label_icon), d->mOption); |
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223 |
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224 show(); |
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225 } |
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226 |
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227 /*! |
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228 Hides exact word popup |
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229 |
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230 \sa hideText() |
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231 */ |
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232 void HbExactWordPopup::hideText() |
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233 { |
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234 close(); |
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235 } |
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236 |
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237 void HbExactWordPopup::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) |
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238 { |
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239 if (contains(mapFromScene(event->scenePos()))) { |
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240 // commit word only if mouse release event happens inside popup area |
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241 emit exactWordSelected(); |
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242 // this call closes the popup, and this is called only when mouse relase event happens |
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243 // inside popup area |
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244 HbDialog::mouseReleaseEvent(event); |
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245 } |
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246 // if mouse release event happens outside popup area, don't commit or close the popup |
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247 |
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248 } |
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249 |
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250 void HbExactWordPopup::updatePrimitives() |
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251 { |
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252 Q_D( HbExactWordPopup ); |
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253 |
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254 d->mPopupBackground->frameDrawer().setFrameType(HbFrameDrawer::NinePieces); |
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255 d->mPopupBackground->frameDrawer().setFrameGraphicsName("qtg_fr_popup_secondary"); |
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256 d->mPopupBackground->setGeometry(boundingRect()); |
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257 |
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258 QColor col = HbColorScheme::color( "qtc_editor_normal" ); //popupforeground |
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259 if (col.isValid()) { |
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260 d->mText->setTextColor(col); |
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261 } |
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262 } |
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263 |
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264 // this method is called whenever there is a switch of keypad usage from h/w to virtual |
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265 // h/w keypad needs an indicator, whereas virtual does not, hence set the image appropriately. |
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266 void HbExactWordPopup::setIndicatorArrow( HbExactWordPopupIndicator indicatorArrow ) |
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267 { |
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268 Q_D( HbExactWordPopup ); |
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269 |
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270 if (indicatorArrow == HbNoIndicatorArrow) { |
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271 d->mOption->icon = (QString("")); |
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272 } else { |
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273 d->mOption->icon = (QString("qtg_mono_input_down")); |
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274 } |
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275 } |