patch from drw, adds otabwidget

3 files changed, 501 insertions, 2 deletions

diff --git a/libopie/libopie.pro b/libopie/libopie.pro
index 463fce2..d5b4836 100644
--- a/libopie/libopie.pro
+++ b/libopie/libopie.pro
@@ -2,4 +2,4 @@ TEMPLATE        = lib
 CONFIG          += qte warn_on release
-HEADERS 	= ofontmenu.h ofileselector.h ofiledialog.h ofileview.h tododb.h todoevent.h todoresource.h todovcalresource.h xmltree.h  colordialog.h colorpopupmenu.h oclickablelabel.h oprocctrl.h oprocess.h odevice.h otimepicker.h
-SOURCES		= ofontmenu.cc ofileselector.cc ofiledialog.cc xmltree.cc tododb.cpp todoevent.cpp todovcalresource.cpp  colordialog.cpp colorpopupmenu.cpp oclickablelabel.cpp oprocctrl.cpp oprocess.cpp odevice.cpp otimepicker.cpp
+HEADERS   = ofontmenu.h ofileselector.h ofiledialog.h ofileview.h tododb.h todoevent.h todoresource.h todovcalresource.h xmltree.h  colordialog.h colorpopupmenu.h oclickablelabel.h oprocctrl.h oprocess.h odevice.h otimepicker.h otabwidget.h otabinfo.h
+SOURCES   = ofontmenu.cc ofileselector.cc ofiledialog.cc xmltree.cc tododb.cpp todoevent.cpp todovcalresource.cpp  colordialog.cpp colorpopupmenu.cpp oclickablelabel.cpp oprocctrl.cpp oprocess.cpp odevice.cpp otimepicker.cpp otabwidget.cpp
 TARGET		= opie
diff --git a/libopie/otabwidget.cpp b/libopie/otabwidget.cpp
new file mode 100644
index 0000000..6e10be9
--- a/dev/null
+++ b/libopie/otabwidget.cpp
@@ -0,0 +1,267 @@
+/*
+                            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 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 <qcombobox.h>
+#include <qtabbar.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)
+        {
+            tabBarStyle = IconTab;
+        }
+        QString pos = config.readEntry( "TabPosition", "Top");
+        if ( pos == "Bottom" )
+        {
+            tabBarPosition = Bottom;
+        }
+        else
+        {
+            tabBarPosition = Top;
+        }
+    }
+    else
+    {
+        tabBarStyle = s;
+        tabBarPosition = p;
+    }
+
+    widgetStack = new QWidgetStack( this, "widgetstack" );
+    widgetStack->setFrameStyle( QFrame::StyledPanel | QFrame::Raised );
+    widgetStack->setLineWidth( style().defaultFrameWidth() );
+
+    tabBarStack = new QWidgetStack( this, "tabbarstack" );
+
+    tabBar = new QTabBar( 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 );
+    }
+
+    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 );
+
+    OTabInfo *tabinfo = new OTabInfo( tabid, child, icon, label );
+    tabs.append( tabinfo );
+    selectTab( tabinfo );
+}
+
+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 );
+    }
+}
+
+OTabWidget::TabStyle OTabWidget::tabStyle() const
+{
+    return tabBarStyle;
+}
+
+void OTabWidget::setTabStyle( TabStyle s )
+{
+    tabBarStyle = s;
+}
+
+OTabWidget::TabPosition OTabWidget::tabPosition() const
+{
+    return tabBarPosition;
+}
+
+void OTabWidget::setTabPosition( TabPosition p )
+{
+    tabBarPosition = p;
+}
+
+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( QString::null );
+            setUpLayout();
+        }
+        tabBar->tab( tab->id() )->setText( tab->label() );
+        currentTab = tab;
+    }
+    tabBar->setCurrentTab( tab->id() );
+    setUpLayout();
+    tabBar->update();
+
+    widgetStack->raiseWidget( tab->control() );
+}
+
+void OTabWidget::setUpLayout()
+{
+    tabBar->layoutTabs();
+    QSize t( tabBarStack->sizeHint() );
+    if ( t.width() > width() )
+        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();
+}
diff --git a/libopie/otabwidget.h b/libopie/otabwidget.h
new file mode 100644
index 0000000..9f16f14
--- a/dev/null
+++ b/libopie/otabwidget.h
@@ -0,0 +1,232 @@
+/*
+                            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 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 OTABWIDGET_H
+#define OTABWIDGET_H
+
+#include "otabinfo.h"
+
+#include <qwidget.h>
+#include <qlist.h>
+
+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 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 sizeHint()
+ * @brief Reimplemented for internal purposes.
+ */
+    QSize sizeHint() const;
+
+
+protected:
+
+/**
+ * @fn resizeEvent( QResizeEvent * )
+ * @brief Reimplemented for internal purposes.
+ */
+    void resizeEvent( QResizeEvent * );
+
+private:
+    OTabInfoList  tabs;
+    OTabInfo     *currentTab;
+
+    TabStyle    tabBarStyle;
+    TabPosition tabBarPosition;
+
+    QWidgetStack *tabBarStack;
+    QTabBar      *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.
+ *
+ * @param tab Pointer to data for widget.
+ */
+    void    selectTab( OTabInfo * );
+
+/**
+ * @fn setUpLayout()
+ * @brief Internal function to adjust layout.
+ */
+    void    setUpLayout();
+
+private slots:
+
+/**
+ * @fn slotTabBarSelected( int id )
+ * @brief Slot which is called when a tab is selected.
+ *
+ * @param id ID of widget selected.
+ */
+    void slotTabBarSelected( int );
+
+/**
+ * @fn slotTabListSelected( int index )
+ * @brief Slot which is called when a drop down selection is made.
+ *
+ * @param id Index of widget selected.
+ */
+    void slotTabListSelected( int );
+};
+
+#endif