STabCtl/stabctl.cpp

   1 /***************************************************************************
   2                          STabCtl part of KDEStudio
   3                              -------------------
   4     copyright            : (C) 1999 by Judin Maximus
   5     email                : novaprint@mtu-net.ru
   6  ***************************************************************************/
   7
   8 #include "stabctl.h"
   9 #include <qapplication.h>
  10 #include <qpushbutton.h>
  11 #include <qpainter.h>
  12 #include <qpixmap.h>
  13
  14 STabCtl::STabCtl(QWidget *parent, const char *name) : QWidget(parent, name)
  15 {
  16   tabPos = STabBar::TAB_TOP;
  17   mainData = new QList<TabCtlData>;
  18   mainData->setAutoDelete( true );
  19
  20   currentPage = 0L;
  21
  22   tabs = new STabBar( this );
  23   tabs->hide();
  24   connect( tabs, SIGNAL(tabSelected(int)), this, SLOT(setVisiblePage(int)) );
  25   connect( tabs, SIGNAL(rightButtonPress(int,QPoint)), this, SLOT(rightButtonPress(int,QPoint)) );
  26   tabs->move(0, 0);
  27 }
  28
  29 STabCtl::~STabCtl()
  30 {
  31   delete mainData;
  32   delete tabs;
  33 }
  34
  35 int STabCtl::insertPage( QWidget* widget , const QString &label, int id )
  36 {
  37   if ( id == -1 ){
  38     id = -1;
  39     for ( uint k = 0; k < mainData->count(); k++ )
  40       if ( mainData->at(k)->id > id ) id = mainData->at(k)->id;
  41     id++;
  42   }
  43   TabCtlData* data = new TabCtlData( widget, id );
  44   mainData->append( data );
  45   tabs->insertTab( label, id );
  46   if ( !tabs->isVisible() ) tabs->show();
  47   // if its page first - this page become current
  48   if ( mainData->count() == 1 ) setVisiblePage( widget );
  49   return id;
  50 }
  51
  52
  53 void STabCtl::setPixmap( QWidget* widget, const QPixmap &pix )
  54 {
  55   TabCtlData* data = findData(widget);
  56   if ( data != 0L ){
  57     tabs->setPixmap( data->id, pix );
  58   }
  59 }
  60
  61 QWidget* STabCtl::getFirstPage()
  62 {
  63   return mainData->first() != 0L ? mainData->first()->widget:0L;
  64 }
  65
  66 QWidget* STabCtl::getLastPage()
  67 {
  68   return mainData->last() != 0L ? mainData->last()->widget:0L;
  69 }
  70
  71 QWidget* STabCtl::getNextPage( QWidget* widget )
  72 {
  73   if ( mainData->count() < 2 ) return 0L;
  74
  75   QWidget* found = 0L;
  76   for ( uint k = 0; k < mainData->count() - 1; k++ )
  77     if ( mainData->at(k)->widget == widget ){
  78       found = mainData->at( k + 1 )->widget;
  79       break;
  80     }
  81   return found;
  82 }
  83
  84 QWidget* STabCtl::getPrevPage( QWidget* widget )
  85 {
  86   if ( mainData->count() < 2 ) return 0L;
  87
  88   QWidget* found = 0L;
  89   for ( uint k = 1; k < mainData->count(); k++ )
  90     if ( mainData->at(k)->widget == widget ){
  91       found = mainData->at( k - 1 )->widget;
  92       break;
  93     }
  94   return found;
  95 }
  96
  97
  98 TabCtlData* STabCtl::findData( QWidget* widget )
  99 {
 100   TabCtlData* data = 0L;
 101   for ( uint k = 0; k < mainData->count(); k++ )
 102     if ( mainData->at(k)->widget == widget ){
 103       data = mainData->at(k);
 104       break;
 105     }
 106   return data;
 107 }
 108
 109 void STabCtl::showTabIcon( bool show )
 110 {
 111   tabs->showTabIcon( show );
 112   QSize size( width(), height() );
 113   qApp->notify( this, new QResizeEvent( size , size ) );
 114 }
 115
 116 TabCtlData* STabCtl::findData( int id )
 117 {
 118   TabCtlData* data = 0L;
 119   for ( uint k = 0; k < mainData->count(); k++ )
 120     if ( mainData->at(k)->id == id ){
 121       data = mainData->at(k);
 122       break;
 123     }
 124   return data;
 125 }
 126
 127 int STabCtl::id( QWidget* widget )
 128 {
 129   TabCtlData* data = findData(widget);
 130   return data == 0L ? -1:data->id;
 131 }
 132
 133 QWidget* STabCtl::page( int id )
 134 {
 135   TabCtlData* data = findData( id );
 136   return data == 0L ? 0L:data->widget;
 137 }
 138
 139 void STabCtl::removePage( QWidget* widget )
 140 {
 141   TabCtlData* data = findData(widget);
 142   if ( data != 0L ){
 143     if ( currentPage == widget ) currentPage = 0L;
 144     tabs->removeTab( data->id );
 145     data->widget->hide();
 146     mainData->remove( data );
 147     if ( mainData->count() == 0 ){
 148       tabs->hide();
 149       resizeEvent(0);
 150     }
 151   }
 152 }
 153
 154 QWidget* STabCtl::visiblePage()
 155 {
 156   TabCtlData* data = findData( currentPage );
 157   return  data == 0L ? 0L:data->widget;
 158 }
 159
 160 void STabCtl::setVisiblePage( QWidget* widget, bool allowDisable )
 161 {
 162   TabCtlData* data = findData( widget );
 163   if ( data != 0L ){
 164     if ( currentPage != widget ){
 165       currentPage = widget;
 166       showPage( widget, allowDisable );
 167     }
 168   }
 169 }
 170
 171 void STabCtl::showPage( QWidget* widget, bool allowDisable )
 172 {
 173   widget->raise();
 174
 175   QSize s = QSize( width(), height() );
 176   qApp->notify( this, new QResizeEvent(s,s) );
 177
 178   s = getChildRect().size();
 179   qApp->notify( widget, new QResizeEvent(s,s) );
 180   qApp->notify( widget, new QMoveEvent(QPoint(0,0),QPoint(0,0)) );
 181   qApp->processEvents();
 182
 183   emit aboutToShow( widget );
 184
 185   TabCtlData* data = findData( widget );
 186   if ( data != 0L ) tabs->setCurrentTab( data->id, allowDisable );
 187
 188   widget->show();
 189
 190   for ( uint k = 0; k < mainData->count(); k++ )
 191     if ( mainData->at(k)->widget != widget ) mainData->at(k)->widget->hide();
 192
 193   emit pageSelected( widget );
 194 }
 195
 196 bool STabCtl::isPageEnabled( QWidget* widget )
 197 {
 198   TabCtlData* data = findData( widget );
 199   return data == 0L ? false:data->enabled;
 200 }
 201
 202 void STabCtl::setPageEnabled( QWidget* widget, bool enabled )
 203 {
 204   TabCtlData* data = findData( widget );
 205   if ( data != 0L )
 206     if ( data->enabled != enabled ){
 207       data->enabled = enabled;
 208       tabs->setTabEnabled( data->id, enabled );
 209     }
 210 }
 211
 212 void STabCtl::show()
 213 {
 214   QWidget::show();
 215   if ( currentPage == 0L )
 216     if ( !mainData->isEmpty() )
 217       currentPage = mainData->at(0)->widget;
 218
 219   if ( currentPage != 0L ){
 220     showPage( currentPage );
 221   }
 222 }
 223
 224 void STabCtl::resizeEvent(QResizeEvent * )
 225 {
 226   QRect r = getChildRect();
 227
 228   if ( currentPage != 0L && pageCount() > 0 ){
 229     currentPage->setGeometry(r);
 230   }
 231   switch ( tabPos )
 232     case STabBar::TAB_TOP:{
 233       tabs->resize( width(), tabs->height() );
 234       break;
 235     case STabBar::TAB_RIGHT:
 236       tabs->resize( tabs->width(), height() );
 237       break;
 238   }
 239 }
 240
 241 void STabCtl::setTabFont(const QFont & font)
 242 {
 243   QFont f(font);
 244   tabs->setFont(f);
 245   resizeEvent(0);
 246 }
 247
 248 void STabCtl::paintEvent(QPaintEvent *)
 249 {
 250   QPainter paint;
 251   paint.begin( this );
 252
 253   paint.setPen( white );
 254   //  top
 255   paint.moveTo( 0, 0 );
 256   paint.lineTo( 0, height() - 1 );
 257
 258   // left
 259   paint.moveTo( width() -1, 0 );
 260   paint.lineTo( 0, 0 );
 261
 262   paint.setPen( colorGroup().dark() );
 263   // right
 264   paint.moveTo( 0, height() - 1 );
 265   paint.lineTo( width() -1, height() - 1 );
 266
 267   // botton
 268   paint.moveTo( width() -1, height() - 1 );
 269   paint.lineTo( width() -1, 0 );
 270
 271   paint.end();
 272 }
 273
 274 QRect STabCtl::getChildRect() const
 275 {
 276   QRect r;
 277   if ( !tabs->isVisible() )
 278     r = QRect( 2, 2, width() - 4, height() - 4 );
 279   else {
 280     switch ( tabPos )
 281       case STabBar::TAB_TOP:{
 282         r = QRect( 2, tabs->height() + 2, width() - 4, height() - tabs->height() - 4 );
 283         break;
 284       case STabBar::TAB_RIGHT:
 285         r = QRect( tabs->width() + 2, 2, width() - tabs->width() - 4, height() - 4 );
 286         break;
 287     }
 288   }
 289   return r;
 290 }
 291
 292 void STabCtl::rightButtonPress( int id , QPoint pos )
 293 {
 294   emit tabShowPopup(id, pos);
 295 }
 296
 297 void STabCtl::setTabTextColor( QWidget* widget, const QColor &color )
 298 {
 299   TabCtlData* data = findData( widget );
 300   if ( data != 0L ){
 301     tabs->setTextColor( data->id, color );
 302   }
 303 }
 304
 305 void STabCtl::setTabPos( STabBar::TabPos pos )
 306 {
 307   tabPos = pos;
 308   tabs->setTabPos( pos );
 309   resizeEvent(0);
 310 }
 311
 312 bool STabCtl::isShowTabIcon()
 313 {
 314   return tabs->isShowTabIcon();
 315 }
 316
 317 void STabCtl::setEnabled( bool enabled )
 318 {
 319   QWidget::setEnabled( enabled );
 320   tabs->setEnabled( enabled );
 321 }
 322
 323 QFont STabCtl::tabFont()
 324 {
 325   return tabs->font();
 326 }
 327
 328 void STabCtl::setPageCaption( QWidget* widget, const QString &caption )
 329 {
 330   TabCtlData* data = findData( widget );
 331   if ( data != 0L )
 332     tabs->setTabCaption( data->id, caption );
 333 }
 334
 335 QString STabCtl::pageCaption( QWidget* widget )
 336 {
 337   TabCtlData* data = findData( widget );
 338   if ( data == 0L ) return "";
 339   return tabs->tabCaption( data->id );
 340 }
 341
 342 const QColor& STabCtl::tabTextColor( QWidget* widget )
 343 {
 344   TabCtlData* data = findData( widget );
 345   if ( data == 0L ) return black;
 346   return tabs->textColor( data->id );
 347 }
 348