Some minor fixes to drawing of tab bar

1 files changed, 16 insertions, 2 deletions

diff --git a/libopie2/opieui/otabwidget.cpp b/libopie2/opieui/otabwidget.cpp
index ae396b9..8d7806c 100644
--- a/libopie2/opieui/otabwidget.cpp
+++ b/libopie2/opieui/otabwidget.cpp
@@ -1,468 +1,482 @@
 /*
                     This file is part of the Opie Project
 
                       Copyright (c)  2002, 2005 Dan Williams <drw@handhelds.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 <opie2/otabwidget.h>
 
 /* OPIE */
 #include <qpe/applnk.h>
 #include <qpe/config.h>
 #include <qpe/resource.h>
 #include <opie2/otabbar.h>
 
 /* QT */
 #include <qcombobox.h>
 #include <qwidgetstack.h>
 
 using namespace Opie::Ui;
 
 OTabWidget::OTabWidget( QWidget *parent, const char *name, TabStyle s, TabPosition p )
         : QWidget( parent, name )
         , m_currTab( 0l )
         , m_tabBarStyle( Global )
         , m_tabBarPosition( Top )
         , m_usingTabs( true )
         , m_tabBar( 0l )
         , m_tabList( 0l )
 {
     if ( s == Global )
     {
         // Read Opie global settings for style and position
         Config config( "qpe" );
         config.setGroup( "Appearance" );
 
         // Style
         s = ( TabStyle ) config.readNumEntry( "TabStyle", (int) IconTab );
         if ( s <= Global || s > IconList)
             s = IconTab;
 
         // Position
         ( config.readEntry( "TabPosition", "Top" ) == "Bottom" ) ? p = Bottom
                                                                  : p = Top;
     }
 
     // Initialize widget stack for tab widgets
     m_widgetStack = new QWidgetStack( this );
     m_widgetStack->setFrameStyle( QFrame::NoFrame );
     m_widgetStack->setLineWidth( style().defaultFrameWidth() );
 
     // Set initial selector control style and position
     setTabStyle( s );
     setTabPosition( p );
 }
 
 OTabWidget::~OTabWidget()
 {
     m_tabs.setAutoDelete( true );
     m_tabs.clear();
 }
 
 void OTabWidget::addTab( QWidget *child, const QString &icon, const QString &label )
 {
     int tabid = -1;
 
     if ( m_usingTabs )
     {
         // Create new tab in tab bar
         QTab *tab = new QTab();
 
         // Set label (and icon if necessary)
         if ( m_tabBarStyle == IconTab )
         {
             tab->label = QString::null;
             tab->iconset = new QIconSet( loadSmooth( icon ) );
         }
         else
             tab->label = label;
 
         tabid = m_tabBar->addTab( tab );
     }
     else
     {
         // Insert entry (with icon if necessary) into drop down list
         if ( m_tabBarStyle == IconList )
             m_tabList->insertItem( loadSmooth( icon ), label, -1 );
         else
             m_tabList->insertItem( label );
     }
 
     // Add widget to stack
     m_widgetStack->addWidget( child, tabid );
     m_widgetStack->raiseWidget( child );
     m_widgetStack->setFrameStyle( QFrame::StyledPanel | QFrame::Raised );
 
     // Keep track of tab information
     OTabInfo *tabinfo = new OTabInfo( tabid, child, icon, label );
     m_tabs.append( tabinfo );
 
     // Make newly added tab the current one displayed
     selectTab( tabinfo );
 }
 
 void OTabWidget::removePage( QWidget *childwidget )
 {
     if ( childwidget )
     {
         // Find tab information for desired widget
         OTabInfo *tab = m_tabs.first();
         while ( tab && tab->control() != childwidget )
             tab = m_tabs.next();
 
         if ( tab && tab->control() == childwidget )
         {
             if ( m_usingTabs )
             {
                 // Remove tab from tab bar
                 m_tabBar->setTabEnabled( tab->id(), false );
                 m_tabBar->removeTab( m_tabBar->tab( tab->id() ) );
             }
             else
             {
                 // Remove entry from drop down list
                 int i = 0;
                 while ( i < m_tabList->count() && m_tabList->text( i ) != tab->label() )
                     i++;
                 if ( m_tabList->text( i ) == tab->label() )
                     m_tabList->removeItem( i );
             }
 
             // Remove widget from stack
             m_widgetStack->removeWidget( childwidget );
 
             // Get rid of tab information
             m_tabs.remove( tab );
             delete tab;
 
             // Reset current tab
             m_currTab = m_tabs.current();
             if ( !m_currTab )
                 m_widgetStack->setFrameStyle( QFrame::NoFrame );
 
             // Redraw widget
             setUpLayout();
         }
     }
 }
 
 void OTabWidget::changeTab( QWidget *widget, const QString &iconset, const QString &label)
 {
     // Find tab information for desired widget
     OTabInfo *currtab = m_tabs.first();
     while ( currtab && currtab->control() != widget )
         currtab = m_tabs.next();
 
     if ( currtab && currtab->control() == widget )
     {
         QPixmap icon( loadSmooth( iconset ) );
 
         if ( m_usingTabs )
         {
             // Update tab label and icon (if necessary)
             QTab *tab = m_tabBar->tab( currtab->id() );
             tab->setText( label );
             if ( m_tabBarStyle == IconTab )
                 tab->setIconSet( icon );
         }
         else
         {
             // Update entry label and icon (if necessary)
             int i = 0;
             while ( i < m_tabList->count() && m_tabList->text( i ) != currtab->label() )
                 i++;
             if ( i < m_tabList->count() && m_tabList->text( i ) == currtab->label() )
             {
                 if ( m_tabBarStyle == IconList )
                     m_tabList->changeItem( icon, label, i );
                 else
                     m_tabList->changeItem( label, i );
             }
         }
 
         // Update tab information
         currtab->setLabel( label );
         currtab->setIcon( iconset );
 
         // Redraw widget
         setUpLayout();
     }
 }
 
 void OTabWidget::setCurrentTab( QWidget *childwidget )
 {
     OTabInfo *currtab = m_tabs.first();
     while ( currtab && currtab->control() != childwidget )
     {
         currtab = m_tabs.next();
     }
     if ( currtab && currtab->control() == childwidget )
     {
         selectTab( currtab );
     }
 }
 
 void OTabWidget::setCurrentTab( const QString &tabname )
 {
     OTabInfo *newtab = m_tabs.first();
     while ( newtab && newtab->label() != tabname )
     {
         newtab = m_tabs.next();
     }
     if ( newtab && newtab->label() == tabname )
     {
         selectTab( newtab );
     }
 }
 
 void OTabWidget::setCurrentTab(int tabindex)
 {
     OTabInfo *newtab = m_tabs.first();
     while ( newtab && newtab->id() != tabindex )
     {
         newtab = m_tabs.next();
     }
     if ( newtab && newtab->id() == tabindex )
     {
         selectTab( newtab );
     }
 }
 
 
 OTabWidget::TabStyle OTabWidget::tabStyle() const
 {
     return m_tabBarStyle;
 }
 
 void OTabWidget::setTabStyle( TabStyle s )
 {
     // Get out if new and current styles are the same
     if ( s == m_tabBarStyle )
         return;
 
     // Delete current selector control
     if ( m_usingTabs )
     {
         delete m_tabBar;
         m_tabBar = 0l;
     }
     else
     {
         delete m_tabList;
         m_tabList = 0l;
     }
 
     // Set new style information
     m_tabBarStyle = s;
     m_usingTabs = ( m_tabBarStyle == TextTab || m_tabBarStyle == IconTab );
 
     // Create new selector control and populate with tab information
     if ( m_usingTabs )
     {
         // Create new tab bar selector
         m_tabBar = new OTabBar( this );
         connect( m_tabBar, SIGNAL(selected(int)), this, SLOT(slotTabBarSelected(int)) );
 
         // Add all current tabs to tab bar
         for (  OTabInfo *tabinfo = m_tabs.first(); tabinfo; tabinfo = m_tabs.next() )
         {
             // Create new tab in tab bar
             QTab *tab = new QTab();
 
             // Set label (and icon if necessary)
             if ( m_tabBarStyle == IconTab )
             {
                 tab->label = QString::null;
                 tab->iconset = new QIconSet( loadSmooth( tabinfo->icon() ) );
             }
             else
                 tab->label = tabinfo->label();
 
             // Add tab and save its Id
             int tabid = m_tabBar->addTab( tab );
             tabinfo->setId( tabid );
         }
     }
     else
     {
         // Create new drop down list selector
         m_tabList = new QComboBox( false, this );
         connect( m_tabList, SIGNAL(activated(int)), this, SLOT(slotTabListSelected(int)) );
 
         // Add all current tabs to drop down list
         for (  OTabInfo *tabinfo = m_tabs.first(); tabinfo; tabinfo = m_tabs.next() )
         {
             if ( m_tabBarStyle == IconList )
                 m_tabList->insertItem( loadSmooth( tabinfo->icon() ), tabinfo->label() );
             else
                 m_tabList->insertItem( tabinfo->label() );
         }
     }
 
     // Redraw widget
     setUpLayout();
 }
 
 OTabWidget::TabPosition OTabWidget::tabPosition() const
 {
     return m_tabBarPosition;
 }
 
 void OTabWidget::setTabPosition( TabPosition p )
 {
     m_tabBarPosition = p;
 
     // If using the tab bar selector, set its shape
     if ( m_usingTabs )
     {
         ( m_tabBarPosition == Top ) ? m_tabBar->setShape( QTabBar::RoundedAbove )
                                     : m_tabBar->setShape( QTabBar::RoundedBelow );
     }
 
     // Redraw widget
     setUpLayout();
 }
 
 void OTabWidget::slotTabBarSelected( int id )
 {
     OTabInfo *newtab = m_tabs.first();
     while ( newtab && newtab->id() != id )
         newtab = m_tabs.next();
 
     if ( newtab && newtab->id() == id )
         selectTab( newtab );
 }
 
 void OTabWidget::slotTabListSelected( int index )
 {
     OTabInfo *newtab = m_tabs.at( index );
     if ( newtab )
         selectTab( newtab );
 }
 
 QPixmap OTabWidget::loadSmooth( const QString &name )
 {
     QPixmap p;
     p.convertFromImage( Resource::loadImage( name ).smoothScale( AppLnk::smallIconSize(), AppLnk::smallIconSize() ) );
     return p;
 }
 
 void OTabWidget::selectTab( OTabInfo *tab )
 {
     if ( m_tabBarStyle == IconTab )
     {
         // Remove text label from currently selected tab
         if ( m_currTab )
         {
             m_tabBar->tab( m_currTab->id() )->setText( QString::null );
             //setUpLayout();
         }
 
         // Set text label for newly selected tab
         m_tabBar->tab( tab->id() )->setText( tab->label() );
         m_tabBar->setCurrentTab( tab->id() );
 
         setUpLayout();
+
+        QSize t;
+
+        t = m_tabBar->sizeHint();
+        if ( t.width() > width() )
+            t.setWidth( width() );
+        int lw = m_widgetStack->lineWidth();
+        if ( m_tabBarPosition == Bottom )
+            m_tabBar->setGeometry( QMAX(0, lw-2), height() - t.height() - lw, t.width(), t.height() );
+        else
+            m_tabBar->setGeometry( QMAX(0, lw-2), 0, t.width(), t.height() );
     }
     else if ( m_tabBarStyle == TextTab )
     {
         m_tabBar->setCurrentTab( tab->id() );
     }
 
     m_widgetStack->raiseWidget( tab->control() );
 
     emit currentChanged( tab->control() );
 
     m_currTab = tab;
 }
 
 void OTabWidget::setUpLayout()
 {
     if ( m_usingTabs )
     {
         m_tabBar->update();
         m_tabBar->layoutTabs();
     }
 }
 
 void OTabWidget::resizeEvent( QResizeEvent * )
 {
     QSize t;
 
     if ( m_usingTabs )
     {
         m_tabBar->layoutTabs();
         t = m_tabBar->sizeHint();
+        if ( t.width() > width() )
+            t.setWidth( width() );
     }
     else
+    {
         t = m_tabList->sizeHint();
-
-    t.setWidth( width() );
+        t.setWidth( width() );
+    }
 
     int lw = m_widgetStack->lineWidth();
     if ( m_tabBarPosition == Bottom )
     {
         if ( m_usingTabs )
             m_tabBar->setGeometry( QMAX(0, lw-2), height() - t.height() - lw, t.width(), t.height() );
         else
             m_tabList->setGeometry( QMAX(0, lw-2), height() - t.height() - lw, t.width(), t.height() );
 
         m_widgetStack->setGeometry( 0, 0, width(), height()-t.height()+QMAX(0, lw-2) );
     }
     else
     {
         if ( m_usingTabs )
             m_tabBar->setGeometry( QMAX(0, lw-2), 0, t.width(), t.height() );
         else
             m_tabList->setGeometry( QMAX(0, lw-2), 0, t.width(), t.height() );
 
         m_widgetStack->setGeometry( 0, t.height()-lw, width(), height()-t.height()+QMAX( 0, lw-2 ) );
     }
 
     if ( autoMask() )
         updateMask();
 }
 
 int OTabWidget::currentTab()
 {
     if ( m_currTab )
     {
         return m_currTab->id();
     }
     return -1;
 }
 
 QWidget* OTabWidget::currentWidget()const
 {
     if ( m_currTab )
     {
         return m_currTab->control();
     }
 
     return 0;
 }