Added changeTab() to OTabWidget to dynamically change tab name and/or icon (stumbled upon request for this in TinyKate todo)

3 files changed, 67 insertions, 5 deletions

diff --git a/libopie/otabinfo.h b/libopie/otabinfo.h
index 8dbbcc2..6589638 100644
--- a/libopie/otabinfo.h
+++ b/libopie/otabinfo.h
@@ -1,116 +1,132 @@
 /*
                             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.
 
 */
 
 #ifndef OTABINFO_H
 #define OTABINFO_H
 
 #include <qlist.h>
 #include <qstring.h>
 
 class QWidget;
 
 /**
  * @class OTabInfo
  * @brief The OTabInfo class is used internally by OTabWidget to keep track
  *        of widgets added to the control.
  *
  * OTabInfo provides the following information about a widget added to an
  * OTabWidget control:
  *
  *  ID - integer tab bar ID
  *  Control - QWidget pointer to child widget
  *  Label - QString text label for OTabWidget selection control
  *  Icon - QString name of icon file
  */
 class OTabInfo
 {
 public:
 /**
  * @fn OTabInfo()
  * @brief Object constructor.
  *
  * @param parent Pointer to parent of this control.
  * @param name Name of control.
  * @param s Style of widget selection control.
  * @param p Position of the widget selection control.
  */
     OTabInfo() : i( -1 ), c( 0 ), p( 0 ), l( QString::null ) {}
 
 /**
  * @fn OTabInfo( int id, QWidget *control, const QString &icon, const QString &label )
  * @brief Object constructor.
  *
  * @param id TabBar identifier for widget.
  * @param control QWidget pointer to widget.
  * @param icon QString name of icon file.
  * @param label QString text label for OTabWidget selection control.
  */
     OTabInfo( int id, QWidget *control, const QString &icon, const QString &label )
         : i( id ), c( control ), p( icon ), l( label ) {}
 
 /**
  * @fn id()
  * @brief Returns TabBar ID.
  */
     int            id()      const { return i; }
 
 /**
  * @fn label()
  * @brief Returns text label for widget.
  */
     const QString &label()   const { return l; }
 
 /**
+ * @fn setLabel( const QString &label )
+ * @brief Set label for tab.
+ *
+ * @param label QString text label for OTabWidget selection control.
+ */
+    void setLabel( const QString &label ) { l = label; }
+
+/**
  * @fn control()
  * @brief Returns pointer to widget.
  */
     QWidget       *control() const { return c; }
 
 /**
  * @fn icon()
  * @brief Returns name of icon file.
  */
     const QString &icon()    const { return p; }
 
+/**
+ * @fn setIcon( const QString &icon )
+ * @brief Set icon for tab.
+ *
+ * @param icon QString name of icon file.
+ */
+    void setIcon( const QString &icon ) { p = icon; }
+
 private:
     int      i;
     QWidget *c;
     QString  p;
     QString  l;
 };
 
 /**
  * @class OTabInfoList
  * @brief A list of OTabInfo objects used by OTabWidget.
  */
 typedef QList<OTabInfo> OTabInfoList;
 
 #endif
diff --git a/libopie/otabwidget.cpp b/libopie/otabwidget.cpp
index bee3f35..99bf067 100644
--- a/libopie/otabwidget.cpp
+++ b/libopie/otabwidget.cpp
@@ -65,202 +65,238 @@ OTabWidget::OTabWidget( QWidget *parent, const char *name, TabStyle s, TabPositi
     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 ) ) );
 
     setTabStyle( s );
     setTabPosition( p );
 
     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::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 *newtab = tabs.first();
-    while ( newtab && newtab->control() != childwidget )
+    OTabInfo *currtab = tabs.first();
+    while ( currtab && currtab->control() != childwidget )
     {
-        newtab = tabs.next();
+        currtab = tabs.next();
     }
-    if ( newtab && newtab->control() == childwidget )
+    if ( currtab && currtab->control() == childwidget )
     {
-        selectTab( newtab );
+        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 == 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();
 }
diff --git a/libopie/otabwidget.h b/libopie/otabwidget.h
index 74d683b..0aa9bb8 100644
--- a/libopie/otabwidget.h
+++ b/libopie/otabwidget.h
@@ -33,192 +33,202 @@
 #define OTABWIDGET_H
 
 #include "otabinfo.h"
 
 #include <qwidget.h>
 #include <qlist.h>
 
 class OTabBar;
 class QComboBox;
 class QPixmap;
 class QTabBar;
 class QWidgetStack;
 
 /**
  * @class OTabWidget
  * @brief The OTabWidget class provides a stack of widgets.
  *
  * OTabWidget is a derivation of TrollTech's QTabWidget which provides
  * a stack of widgets.  Widgets can be selected using either a tab bar or
  * drop down list box.
  *
  * The normal way to use OTabWidget is to do the following in the
  * constructor:
  * - Create a OTabWidget.
  * - Create a QWidget for each of the pages in the control, insert
  *   children into it, set up geometry management for it, and use addTab()
  *   to add the widget.
  */
 class OTabWidget : public QWidget
 {
     Q_OBJECT
 public:
 
 /**
  * @enum TabStyle
  * @brief Defines how the widget selection control is displayed.
  *
  * Valid values:
  * - Global: use globally selected options (qpe.conf - TabStyle & TabPosition)
  * - TextTab: Tabbed widget selection with text labels
  * - IconTab: Tabbed widget selection with icon labels, text label for active widget
  *            (similar to Opie launcher)
  * - TextList: Drop down list widget selection with text labels
  * - IconList: Drop down list widget selection with icon & text labels
  */
     enum TabStyle { Global, TextTab, IconTab, TextList, IconList };
 
 /**
  * @enum TabPosition
  * @brief Defines where the widget selection control is drawn.
  *
  * Valid values:
  * - Top: Widget selection control is drawn above widgets
  * - Bottom: Widget selection control is drawn below widgets
  */
     enum TabPosition { Top, Bottom };
 
 /**
  * @fn OTabWidget( QWidget *parent = 0, const char *name = 0, TabStyle s = Global, TabPosition p = Top )
  * @brief Object constructor.
  *
  * @param parent Pointer to parent of this control.
  * @param name Name of control.
  * @param s Style of widget selection control.
  * @param p Position of the widget selection control.
  *
  * Constructs a new OTabWidget control with parent and name.  The style and position parameters
  * determine how the widget selection control will be displayed.
  */
     OTabWidget( QWidget * = 0, const char * = 0, TabStyle = Global, TabPosition = Top );
 
 /**
  * @fn ~OTabWidget()
  * @brief Object destructor.
  */
     ~OTabWidget();
 
 /**
  * @fn addTab( QWidget *child, const QString &icon, const QString &label )
  * @brief Add new widget to control.
  *
  * @param child Widget control.
  * @param icon Path to icon.
  * @param label Text label.
  */
     void addTab( QWidget *, const QString &, const QString & );
 
 /**
  * @fn removePage( QWidget *widget )
  * @brief Remove widget from control.  Does not delete widget.
  *
  * @param widget Widget control to be removed.
  */
     void removePage( QWidget * );
 
 /**
+ * @fn changeTab( QWidget *widget, const QIconSet &icon, const QString &label )
+ * @brief Change text and/or icon for existing tab
+ *
+ * @param child Widget control.
+ * @param icon Path to icon.
+ * @param label Text label.
+ */
+    void changeTab( QWidget *, const QString &, const QString & );
+
+/**
  * @fn tabStyle()
  * @brief Returns current widget selection control style.
  */
     TabStyle tabStyle() const;
 
 /**
  * @fn setTabStyle( TabStyle s )
  * @brief Set the current widget selection control style.
  *
  * @param s New style to be used.
  */
     void setTabStyle( TabStyle );
 
 /**
  * @fn tabPosition()
  * @brief Returns current widget selection control position.
  */
     TabPosition tabPosition() const;
 
 /**
  * @fn setTabPosition( TabPosition p )
  * @brief Set the current widget selection control position.
  *
  * @param p New position of widget selection control.
  */
     void setTabPosition( TabPosition );
 
 /**
  * @fn setCurrentTab( QWidget *childwidget )
  * @brief Selects and brings to top the desired widget by using widget pointer.
  *
  * @param childwidget Widget to select.
  */
     void setCurrentTab( QWidget * );
 
 /**
  * @fn setCurrentTab( const QString &tabname )
  * @brief Selects and brings to top the desired widget, by using label.
  *
  * @param tabname Text label for widget to select.
  */
     void setCurrentTab( const QString & );
 
 /**
  * @fn setCurrentTab( int )
  * @brief Selects and brings to top the desired widget, by using id.
  *
  * @param tab id for widget to select.
  */
     void setCurrentTab(int);
 
 /**
  * @fn sizeHint()
  * @brief Reimplemented for internal purposes.
  */
     QSize sizeHint() const;
 
 /**
  * @fn getCurrentTab( )
  * @brief returns current tab id.
  */
     int getCurrentTab();
 
 
 protected:
 
 /**
  * @fn resizeEvent( QResizeEvent * )
  * @brief Reimplemented for internal purposes.
  */
     void resizeEvent( QResizeEvent * );
 
 private:
     OTabInfoList  tabs;
     OTabInfo     *currentTab;
 
     TabStyle    tabBarStyle;
     TabPosition tabBarPosition;
 
     QWidgetStack *tabBarStack;
     OTabBar      *tabBar;
     QComboBox    *tabList;
 
     QWidgetStack *widgetStack;
 
 /**
  * @fn loadSmooth( const QString &name )
  * @brief Loads icon for widget.
  *
  * @param name Name of icon image file.
  */
     QPixmap loadSmooth( const QString & );
 
 /**
  * @fn selectTab( OTabInfo *tab )
  * @brief Internal function to select desired widget.