libyui-qt
2.43.5
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: YQCheckBoxFrame.cc 00020 00021 Author: Stefan Hundhammer <sh@suse.de> 00022 00023 /-*/ 00024 00025 00026 #define YUILogComponent "qt-ui" 00027 #include <yui/YUILog.h> 00028 #include <qcheckbox.h> 00029 #include <QDebug> 00030 #include <QVBoxLayout> 00031 #include <qevent.h> 00032 #include "YQUI.h" 00033 #include <yui/YEvent.h> 00034 #include "utf8.h" 00035 00036 using std::max; 00037 00038 #include "YQCheckBoxFrame.h" 00039 00040 #define TOP_MARGIN 6 00041 00042 00043 YQCheckBoxFrame::YQCheckBoxFrame( YWidget * parent, 00044 const std::string & label, 00045 bool checked ) 00046 : QGroupBox( (QWidget *) parent->widgetRep() ) 00047 , YCheckBoxFrame( parent, label, checked) 00048 { 00049 setWidgetRep ( this ); 00050 QGroupBox::setTitle( fromUTF8( label ) ); 00051 QGroupBox::setCheckable( true ); 00052 setValue( checked ); 00053 00054 connect( this, SIGNAL( toggled ( bool ) ), 00055 this, SLOT ( stateChanged( bool ) ) ); 00056 } 00057 00058 00059 void YQCheckBoxFrame::setLabel( const std::string & newLabel ) 00060 { 00061 YCheckBoxFrame::setLabel( newLabel ); 00062 QGroupBox::setTitle( fromUTF8( label() ) ); 00063 } 00064 00065 00066 bool YQCheckBoxFrame::value() 00067 { 00068 return QGroupBox::isChecked(); 00069 } 00070 00071 00072 void YQCheckBoxFrame::setValue( bool newValue ) 00073 { 00074 setChecked( newValue ); 00075 setEnabled( newValue ); 00076 } 00077 00078 00079 void YQCheckBoxFrame::setEnabled( bool enabled ) 00080 { 00081 if ( enabled ) 00082 { 00083 QGroupBox::setEnabled( true ); 00084 handleChildrenEnablement( value() ); 00085 } 00086 else 00087 { 00088 QGroupBox::setEnabled( true ); 00089 YWidget::setChildrenEnabled( false ); 00090 } 00091 00092 YWidget::setEnabled( enabled ); 00093 } 00094 00095 00096 void YQCheckBoxFrame::stateChanged( bool newState ) 00097 { 00098 if ( notify() ) 00099 YQUI::ui()->sendEvent( new YWidgetEvent( this, YEvent::ValueChanged ) ); 00100 } 00101 00102 00103 bool YQCheckBoxFrame::event( QEvent *e ) 00104 { 00105 bool oldChildEnabled = true; 00106 00107 if ( YCheckBoxFrame::hasChildren() ) 00108 oldChildEnabled = YCheckBoxFrame::firstChild()->isEnabled(); 00109 00110 bool oldStatus = QGroupBox::isChecked(); 00111 bool ret = QGroupBox::event( e ); 00112 bool newStatus = QGroupBox::isChecked(); 00113 00114 if ( oldStatus != newStatus ) 00115 { 00116 yuiDebug() << "Status change of " << this << " : now " << std::boolalpha << newStatus << std::endl; 00117 00118 if ( autoEnable() ) 00119 { 00120 handleChildrenEnablement( newStatus ); 00121 } 00122 else 00123 { 00124 if ( YCheckBoxFrame::hasChildren() ) 00125 YCheckBoxFrame::firstChild()->setEnabled( oldChildEnabled ); 00126 } 00127 } 00128 00129 return ret; 00130 } 00131 00132 00133 void YQCheckBoxFrame::childEvent( QChildEvent * event ) 00134 { 00135 if ( event->added() ) 00136 { 00137 // yuiDebug() << "Child widget added" << std::endl; 00138 00139 // Prevent parent class from disabling child widgets according to its 00140 // own policy: YCheckBoxFrame is much more flexible than QGroupBox. 00141 } 00142 else 00143 QGroupBox::childEvent( event ); 00144 } 00145 00146 00147 void 00148 YQCheckBoxFrame::setSize( int newWidth, int newHeight ) 00149 { 00150 resize ( newWidth, newHeight ); 00151 00152 if ( hasChildren() ) 00153 { 00154 int left, top, right, bottom; 00155 getContentsMargins( &left, &top, &right, &bottom ); 00156 int newChildWidth = newWidth - left - right; 00157 int newChildHeight = newHeight - bottom - top; 00158 00159 firstChild()->setSize( newChildWidth, newChildHeight ); 00160 00161 QWidget * qChild = (QWidget *) firstChild()->widgetRep(); 00162 qChild->move( left, top ); 00163 } 00164 } 00165 00166 00167 int YQCheckBoxFrame::preferredWidth() 00168 { 00169 int preferredWidth = hasChildren() ? firstChild()->preferredWidth() : 0; 00170 int left, top, right, bottom; 00171 getContentsMargins( &left, &top, &right, &bottom ); 00172 00173 return preferredWidth + left + right; 00174 } 00175 00176 00177 int YQCheckBoxFrame::preferredHeight() 00178 { 00179 int preferredHeight = hasChildren() ? firstChild()->preferredHeight() : 0; 00180 int left, top, right, bottom; 00181 getContentsMargins( &left, &top, &right, &bottom ); 00182 00183 return preferredHeight + top + left; 00184 } 00185 00186 00187 bool YQCheckBoxFrame::setKeyboardFocus() 00188 { 00189 setFocus(); 00190 00191 return true; 00192 } 00193 00194 00195 00196 00197 #include "YQCheckBoxFrame.moc"