1 files changed, 423 insertions, 0 deletions

diff --git a/libopie2/opieui/otabwidget.cpp b/libopie2/opieui/otabwidget.cpp
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+++ b/libopie2/opieui/otabwidget.cpp
@@ -0,0 +1,423 @@
+/*
+                            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 <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;
+
+OTabWidget::OTabWidget( QWidget *parent, const char *name, TabStyle s, TabPosition p )
+        : QWidget( parent, name )
+{
+    if ( s == Global )
+    {
+        Config config( "qpe" );
+        config.setGroup( "Appearance" );
+        s = ( TabStyle ) config.readNumEntry( "TabStyle", (int) IconTab );
+        if ( s <= Global || s > IconList)
+        {
+            s = IconTab;
+        }
+        QString pos = config.readEntry( "TabPosition", "Top");
+        if ( pos == "Bottom" )
+        {
+            p = Bottom;
+        }
+        else
+        {
+            p = Top;
+        }
+    }
+
+    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 ) ) );
+
+    tabBarPosition = p;
+    setTabStyle( s );
+    setTabPosition( p );
+
+    currTab= 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;
+            currTab = tabs.current();
+            if ( !currTab )
+            {
+                widgetStack->setFrameStyle( QFrame::NoFrame );
+            }
+
+            setUpLayout();
+        }
+    }
+}
+
+void OTabWidget::changeTab( QWidget *widget, const QString &iconset, const QString &label)
+{
+    OTabInfo *currtab = tabs.first();
+    while ( currtab && currtab->control() != widget )
+    {
+        currtab = tabs.next();
+    }
+    if ( currtab && currtab->control() == widget )
+    {
+        QTab *tab = tabBar->tab( currtab->id() );
+        QPixmap icon( loadSmooth( iconset ) );
+        tab->setText( label );
+        if ( tabBarStyle == IconTab )
+            tab->setIconSet( icon );
+        int i = 0;
+        while ( i < tabList->count() && tabList->text( i ) != currtab->label() )
+        {
+            i++;
+        }
+        if ( i < tabList->count() && tabList->text( i ) == currtab->label() )
+        {
+            if ( tabBarStyle == IconTab || tabBarStyle == IconList )
+            {
+                tabList->changeItem( icon, label, i );
+            }
+            else
+            {
+                tabList->changeItem( label, i );
+            }
+        }
+        currtab->setLabel( label );
+        currtab->setIcon( iconset );
+    }
+    setUpLayout();
+}
+
+void OTabWidget::setCurrentTab( QWidget *childwidget )
+{
+    OTabInfo *currtab = tabs.first();
+    while ( currtab && currtab->control() != childwidget )
+    {
+        currtab = tabs.next();
+    }
+    if ( currtab && currtab->control() == childwidget )
+    {
+        selectTab( currtab );
+    }
+}
+
+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 == currTab )
+                    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 )
+{
+    QPixmap p;
+    p.convertFromImage( Resource::loadImage( name ).smoothScale( AppLnk::smallIconSize(), AppLnk::smallIconSize() ) );
+    return p;
+}
+
+void OTabWidget::selectTab( OTabInfo *tab )
+{
+    if ( tabBarStyle == IconTab )
+    {
+        if ( currTab )
+        {
+            tabBar->tab( currTab->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() );
+
+    currTab = 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::currentTab()
+{
+    if ( currTab )
+    {
+        return currTab->id();
+    }
+    return -1;
+}
+
+QWidget* OTabWidget::currentWidget()const
+{
+    if ( currTab )
+    {
+        return currTab->control();
+    }
+
+    return 0;
+}