Allow changing styles/position at run-time (i.e. make setTabStyle/setTabPosition work).

1 files changed, 61 insertions, 29 deletions

diff --git a/libopie/otabwidget.cpp b/libopie/otabwidget.cpp
index 1fee919..bee3f35 100644
--- a/libopie/otabwidget.cpp
+++ b/libopie/otabwidget.cpp
@@ -1,341 +1,373 @@
 /*
                             This file is part of the Opie Project
 
                              Copyright (c)  2002 Dan Williams <williamsdr@acm.org>
               =.
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This program is distributed in the hope that
      +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include "otabwidget.h"
 
 #include <qpe/config.h>
 #include <qpe/resource.h>
 #include <opie/otabbar.h>
 
 #include <qcombobox.h>
 #include <qwidgetstack.h>
 
 OTabWidget::OTabWidget( QWidget *parent, const char *name, TabStyle s, TabPosition p )
     : QWidget( parent, name )
 {
     if ( s == Global )
     {
         Config config( "qpe" );
         config.setGroup( "Appearance" );
-        tabBarStyle = ( TabStyle ) config.readNumEntry( "TabStyle", (int) IconTab );
-        if ( tabBarStyle <= Global || tabBarStyle > IconList)
+        s = ( TabStyle ) config.readNumEntry( "TabStyle", (int) IconTab );
+        if ( s <= Global || s > IconList)
         {
-            tabBarStyle = IconTab;
+            s = IconTab;
         }
         QString pos = config.readEntry( "TabPosition", "Top");
         if ( pos == "Bottom" )
         {
-            tabBarPosition = Bottom;
+            p = Bottom;
         }
         else
         {
-            tabBarPosition = Top;
+            p = Top;
         }
     }
-    else
-    {
-        tabBarStyle = s;
-        tabBarPosition = p;
-    }
 
     widgetStack = new QWidgetStack( this, "widgetstack" );
     widgetStack->setFrameStyle( QFrame::NoFrame );
     widgetStack->setLineWidth( style().defaultFrameWidth() );
 
     tabBarStack = new QWidgetStack( this, "tabbarstack" );
 
     tabBar = new OTabBar( tabBarStack, "tabbar" );
     tabBarStack->addWidget( tabBar, 0 );
     connect( tabBar, SIGNAL( selected( int ) ), this, SLOT( slotTabBarSelected( int ) ) );
 
     tabList = new QComboBox( false, tabBarStack, "tablist" );
     tabBarStack->addWidget( tabList, 1 );
     connect( tabList, SIGNAL( activated( int ) ), this, SLOT( slotTabListSelected( int ) ) );
 
-    if ( tabBarStyle == TextTab || tabBarStyle == IconTab )
-    {
-        tabBarStack->raiseWidget( tabBar );
-    }
-    else if ( tabBarStyle == TextList || tabBarStyle == IconList )
-    {
-        tabBarStack->raiseWidget( tabList );
-    }
-
-    if ( tabBarPosition == Bottom )
-    {
-        tabBar->setShape( QTabBar::RoundedBelow );
-    }
+    setTabStyle( s );
+    setTabPosition( p );
 
-    //tabs.setAutoDelete( TRUE );
     currentTab= 0x0;
 }
 
 OTabWidget::~OTabWidget()
 {
 }
 
 void OTabWidget::addTab( QWidget *child, const QString &icon, const QString &label )
 {
     QPixmap iconset = loadSmooth( icon );
 
     QTab *tab = new QTab();
     if ( tabBarStyle == IconTab )
     {
         tab->label = QString::null;
     }
     else
     {
         tab->label = label;
     }
     if ( tabBarStyle == IconTab || tabBarStyle == IconList)
     {
         tab->iconset = new QIconSet( iconset );
     }
     int tabid = tabBar->addTab( tab );
 
     if ( tabBarStyle == IconTab || tabBarStyle == IconList )
     {
         tabList->insertItem( iconset, label, -1 );
     }
     else
     {
         tabList->insertItem( label );
     }
 
     widgetStack->addWidget( child, tabid );
     widgetStack->raiseWidget( child );
     widgetStack->setFrameStyle( QFrame::StyledPanel | QFrame::Raised );
 
     OTabInfo *tabinfo = new OTabInfo( tabid, child, icon, label );
     tabs.append( tabinfo );
     selectTab( tabinfo );
 }
 
 void OTabWidget::removePage( QWidget *childwidget )
 {
   if ( childwidget )
     {
         OTabInfo *tab = tabs.first();
         while ( tab && tab->control() != childwidget )
         {
             tab = tabs.next();
         }
         if ( tab && tab->control() == childwidget )
         {
             tabBar->setTabEnabled( tab->id(), FALSE );
             tabBar->removeTab( tabBar->tab( tab->id() ) );
             int i = 0;
             while ( i < tabList->count() && tabList->text( i ) != tab->label() )
             {
                 i++;
             }
             if ( tabList->text( i ) == tab->label() )
             {
                 tabList->removeItem( i );
             }
             widgetStack->removeWidget( childwidget );
             tabs.remove( tab );
             delete tab;
             currentTab = tabs.current();
             if ( !currentTab )
             {
                 widgetStack->setFrameStyle( QFrame::NoFrame );
             }
 
             setUpLayout();
         }
     }
 }
 
 void OTabWidget::setCurrentTab( QWidget *childwidget )
 {
     OTabInfo *newtab = tabs.first();
     while ( newtab && newtab->control() != childwidget )
     {
         newtab = tabs.next();
     }
     if ( newtab && newtab->control() == childwidget )
     {
         selectTab( newtab );
     }
 }
 
 void OTabWidget::setCurrentTab( const QString &tabname )
 {
     OTabInfo *newtab = tabs.first();
     while ( newtab && newtab->label() != tabname )
     {
         newtab = tabs.next();
     }
     if ( newtab && newtab->label() == tabname )
     {
         selectTab( newtab );
     }
 }
 
 void OTabWidget::setCurrentTab(int tabindex) {
     OTabInfo *newtab = tabs.first();
     while ( newtab && newtab->id() != tabindex )
     {
         newtab = tabs.next();
     }
     if ( newtab && newtab->id() == tabindex )
     {
         selectTab( newtab );
     }
 }
 
 
 OTabWidget::TabStyle OTabWidget::tabStyle() const
 {
     return tabBarStyle;
 }
 
 void OTabWidget::setTabStyle( TabStyle s )
 {
     tabBarStyle = s;
+    if ( tabBarStyle == TextTab || tabBarStyle == IconTab )
+    {
+        QTab *currtab;
+        for (  OTabInfo *tabinfo = tabs.first(); tabinfo; tabinfo = tabs.next() )
+        {
+            currtab = tabBar->tab( tabinfo->id() );
+            if ( tabBarStyle == IconTab )
+            {
+                currtab->iconset = new QIconSet( loadSmooth( tabinfo->icon() ) );
+                if ( tabinfo == currentTab )
+                    currtab->setText( tabinfo->label() );
+                else
+                    currtab->setText( QString::null );
+            }
+            else
+            {
+                currtab->iconset = 0x0;
+                currtab->setText( tabinfo->label() );
+            }
+        }
+        tabBarStack->raiseWidget( tabBar );
+    }
+    else if ( tabBarStyle == TextList || tabBarStyle == IconList )
+    {
+        tabList->clear();
+        for (  OTabInfo *tabinfo = tabs.first(); tabinfo; tabinfo = tabs.next() )
+        {
+            if ( tabBarStyle == IconList )
+            {
+                tabList->insertItem( loadSmooth( tabinfo->icon() ), tabinfo->label() );
+            }
+            else
+            {
+                tabList->insertItem( tabinfo->label() );
+            }
+        }
+        tabBarStack->raiseWidget( tabList );
+    }
+    setUpLayout();
 }
 
 OTabWidget::TabPosition OTabWidget::tabPosition() const
 {
     return tabBarPosition;
 }
 
 void OTabWidget::setTabPosition( TabPosition p )
 {
     tabBarPosition = p;
+    if ( tabBarPosition == Top )
+    {
+        tabBar->setShape( QTabBar::RoundedAbove );
+    }
+    else
+    {
+        tabBar->setShape( QTabBar::RoundedBelow );
+    }
+    setUpLayout();
 }
 
 void OTabWidget::slotTabBarSelected( int id )
 {
     OTabInfo *newtab = tabs.first();
     while ( newtab && newtab->id() != id )
     {
         newtab = tabs.next();
     }
     if ( newtab && newtab->id() == id )
     {
         selectTab( newtab );
     }
 }
 
 void OTabWidget::slotTabListSelected( int index )
 {
     OTabInfo *newtab = tabs.at( index );
     if ( newtab )
     {
         selectTab( newtab );
     }
 }
 
 QPixmap OTabWidget::loadSmooth( const QString &name )
 {
     QImage image = Resource::loadImage( name );
     QPixmap pixmap;
     pixmap.convertFromImage( image.smoothScale( 16, 16 ) );
     return pixmap;
 }
 
 void OTabWidget::selectTab( OTabInfo *tab )
 {
     if ( tabBarStyle == IconTab )
     {
         if ( currentTab )
         {
-            tabBar->tab( currentTab->id() )->setText( "" );
+            tabBar->tab( currentTab->id() )->setText( QString::null );
             setUpLayout();
         }
         tabBar->tab( tab->id() )->setText( tab->label() );
         tabBar->setCurrentTab( tab->id() );
         setUpLayout();
         tabBar->update();
     }
     else
     {
         tabBar->setCurrentTab( tab->id() );
     }
 
     widgetStack->raiseWidget( tab->control() );
 
     emit currentChanged( tab->control() );
 
     currentTab = tab;
 }
 
 void OTabWidget::setUpLayout()
 {
     tabBar->layoutTabs();
     QSize t( tabBarStack->sizeHint() );
     if ( tabBarStyle == IconTab )
     {
         if ( t.width() > width() )
             t.setWidth( width() );
     }
     else
     {
         t.setWidth( width() );
     }
     int lw = widgetStack->lineWidth();
     if ( tabBarPosition == Bottom )
     {
         tabBarStack->setGeometry( QMAX(0, lw-2), height() - t.height() - lw, t.width(), t.height() );
         widgetStack->setGeometry( 0, 0, width(), height()-t.height()+QMAX(0, lw-2) );
     }
     else
     {
         tabBarStack->setGeometry( QMAX(0, lw-2), 0, t.width(), t.height() );
         widgetStack->setGeometry( 0, t.height()-lw, width(), height()-t.height()+QMAX( 0, lw-2 ) );
     }
 
     if ( autoMask() )
         updateMask();
 }
 
 QSize OTabWidget::sizeHint() const
 {
     QSize s( widgetStack->sizeHint() );
     QSize t( tabBarStack->sizeHint() );
     return QSize( QMAX( s.width(), t.width() ), s.height() + t.height() );
 }
 
 void OTabWidget::resizeEvent( QResizeEvent * )
 {
     setUpLayout();
 }
 
-int OTabWidget::getCurrentTab() {
+int OTabWidget::getCurrentTab()
+{
     if ( currentTab )
-      {
-          return currentTab->id();            
-      }
+    {
+        return currentTab->id();
+    }
     return -1;
 }