Initial revision

1 files changed, 298 insertions, 0 deletions

diff --git a/lib/gui/combobox.cpp b/lib/gui/combobox.cpp
new file mode 100644
index 00000000..cb90687b
--- /dev/null
+++ b/lib/gui/combobox.cpp
@@ -0,0 +1,298 @@
+#include <lib/gui/combobox.h>
+#include <lib/gdi/font.h>
+
+eComboBox::eComboBox( eWidget* parent, int OpenEntries, eLabel* desc, int takefocus, const char *deco )
+:eButton(parent, desc, takefocus, deco),
+listbox(0, 0, takefocus),
+button( this, 0, 0, eSkin::getActive()->queryValue("eComboBox.smallButton.decoWidth",0)?"eButton":""),
+pm(0), entries(OpenEntries), current(0)
+{
+	align=eTextPara::dirLeft;
+	if ( eSkin::getActive()->queryValue("eComboBox.smallButton.decoWidth",0) )
+		button.loadDeco();
+	button.setBlitFlags(BF_ALPHATEST);
+
+	eSkin::getActive()->queryImage(pm, "eComboBox.arrow");
+	button.setPixmap(pm);
+	listbox.hide();
+	listbox.setDeco("eComboBox.listbox");
+	listbox.loadDeco();
+	CONNECT( selected, eComboBox::onOkPressed );
+	CONNECT( listbox.selected, eComboBox::onEntrySelected );
+	CONNECT( listbox.selchanged, eComboBox::onSelChanged );
+	listbox.zOrderRaise();
+	addActionMap(&i_cursorActions->map);
+}
+
+eComboBox::~eComboBox()
+{
+	if ( listbox.isVisible() )
+	{
+		eDebug("KILL COMBOBOX WITH OPEN LISTBOX");
+		listbox.hide();
+		setFocus(this);
+		eWindow::globalCancel( eWindow::ON );
+	}
+}
+
+void eComboBox::redrawWidget(gPainter *target, const eRect &rc)
+{
+//	target->clip( eRect( rc.left(), rc.top(), rc.width()-button.width(), rc.bottom() ) );
+	eLabel::redrawWidget(target, rc);
+//	target->clippop();
+}
+
+void eComboBox::onOkPressed()
+{
+	if ( flags & flagShowEntryHelp)
+	{
+		oldHelpText=helptext;
+		setHelpText( listbox.getCurrent()->getHelpText() );
+	}
+	if ( flags & flagSorted )
+		listbox.sort();
+	parent->setFocus( &listbox );
+	ePoint pt = getAbsolutePosition();
+	if ( pt.y() + getSize().height() + listbox.getSize().height() > 520)
+		listbox.move( ePoint( pt.x(), pt.y()-listbox.getSize().height() ) );
+	else
+		listbox.move( ePoint( pt.x(), pt.y()+getSize().height() ) );
+
+	eWindow::globalCancel( eWindow::OFF );
+	listbox.show();
+}
+
+int eComboBox::setProperty( const eString& prop, const eString& val )
+{
+	if ( prop == "sorted" )
+		flags |= flagSorted;
+	else if (prop == "openEntries" )
+		entries = atoi( val.c_str() );
+	else if (prop == "showEntryHelp" )
+		flags |= flagShowEntryHelp;
+	else if (prop == "openWidth" )
+	{
+		int width=listbox.getSize().width();
+		width = atoi(val.c_str());
+		setOpenWidth( width );
+	}
+	else
+		return eButton::setProperty( prop, val);
+	return 0;
+}
+
+int eComboBox::eventHandler( const eWidgetEvent& event )
+{
+	switch (event.type)
+	{
+		case eWidgetEvent::evtShortcut:
+			onOkPressed();
+			break;
+		case eWidgetEvent::changedPosition:
+		case eWidgetEvent::changedSize:
+		{
+			eListBoxEntryText* cur = listbox.getCount()?listbox.getCurrent():0;
+			listbox.resize( eSize( getSize().width(), eListBoxEntryText::getEntryHeight()*entries+listbox.getDeco().borderBottom+listbox.getDeco().borderTop ) );
+			int smButtonDeco = eSkin::getActive()->queryValue("eComboBox.smallButton.decoWidth", pm?pm->x:0 );
+			if (deco)
+			{
+				button.resize( eSize(smButtonDeco, crect.height()) );
+				button.move( ePoint( crect.right()-smButtonDeco, crect.top() ) );
+			}
+			else
+			{
+				button.resize( eSize(smButtonDeco, height()) );
+				button.move( ePoint( position.x()+size.width()-smButtonDeco, 0 ) );
+			}
+			if (pm)
+				button.pixmap_position = ePoint( (button.getSize().width() - pm->x) / 2, (button.getSize().height() - pm->y) / 2 );
+			if (cur)
+				listbox.setCurrent(cur);
+		}
+		default:
+			return eButton::eventHandler( event );	
+	}
+	return 1;
+}
+
+int eComboBox::moveSelection ( int dir, bool sendSelChanged )
+{
+	int ret = listbox.moveSelection( dir, sendSelChanged );
+	eListBoxEntryText *cur = listbox.getCurrent();
+	if ( cur )
+	{
+		setText( cur->getText() );
+		current = cur;
+	}
+	return ret;
+}
+
+
+void eComboBox::onEntrySelected( eListBoxEntryText* e)
+{
+	listbox.hide();
+	if (flags & flagShowEntryHelp)
+		setHelpText( oldHelpText );
+
+	if (e && button.getText() != e->getText() )
+	{
+		setText(e->getText());
+		setFocus( this );
+#ifndef DISABLE_LCD
+		if ( parent->LCDElement )
+			parent->LCDElement->setText("");
+#endif
+		current = e;
+		/* emit */ selchanged_id(this, current);
+		/* emit */ selchanged(current);
+	}
+	else
+		setFocus( this );
+
+	eWindow::globalCancel( eWindow::ON );
+}
+
+void eComboBox::onSelChanged(eListBoxEntryText* le)
+{
+	if (flags & flagShowEntryHelp )
+		setHelpText( le->getHelpText() );
+#ifndef DISABLE_LCD
+	if ( parent->getFocus() == &listbox )
+	{
+		if ( LCDTmp )
+			LCDTmp->setText( le->getText() );
+		else if ( parent->LCDElement )
+			parent->LCDElement->setText( le->getText() );
+	}
+#endif
+}
+
+void eComboBox::removeEntry( eListBoxEntryText* le )
+{
+	if (le)
+	{
+		listbox.remove(le);
+		if ( flags & flagSorted )
+			listbox.sort();
+	}
+}
+
+void eComboBox::removeEntry( int num )
+{
+	if ( listbox.getCount() >= num)
+	{
+		setCurrent(	num );
+	  listbox.remove( listbox.getCurrent() );
+		if ( flags & flagSorted )
+			listbox.sort();
+	}
+}
+
+void eComboBox::removeEntry( void* key )
+{
+	setCurrent(key);
+	if (listbox.getCurrent() && key == listbox.getCurrent()->getKey() )
+	{
+		listbox.remove( listbox.getCurrent() );
+		if ( flags & flagSorted )
+			listbox.sort();
+	}
+}
+
+int eComboBox::setCurrent( eListBoxEntryText* le, bool sendSelChanged )
+{
+	if (!le)
+		return E_INVALID_ENTRY;
+
+	int err = listbox.setCurrent( le, sendSelChanged );
+	if( err && err != E_ALLREADY_SELECTED )
+		return err;
+
+	setText( listbox.getCurrent()->getText() );
+	current = listbox.getCurrent();
+
+	return OK;
+}
+
+struct selectEntryByNum: public std::unary_function<const eListBoxEntryText&, void>
+{
+	int num;
+	eListBox<eListBoxEntryText>* lb;
+	bool sendSelChanged;
+
+	selectEntryByNum(int num, eListBox<eListBoxEntryText> *lb, bool sendSelChanged=false): num(num), lb(lb), sendSelChanged(sendSelChanged)
+	{
+	}
+
+	bool operator()(const eListBoxEntryText& le)
+	{
+		if (!num--)
+		{
+			lb->setCurrent(&le, sendSelChanged);
+	 		return 1;
+		}
+		return 0;
+	}
+};
+
+int eComboBox::setCurrent( int num, bool sendSelChanged )
+{
+	if ( num > listbox.getCount() )
+		return E_INVALID_ENTRY;
+
+	int err = listbox.forEachEntry( selectEntryByNum(num, &listbox, sendSelChanged ) );
+	if ( err )
+		return E_COULDNT_FIND;
+
+	setText( listbox.getCurrent()->getText() );
+	current = listbox.getCurrent();
+
+	return OK;
+}
+
+struct selectEntryByKey: public std::unary_function<const eListBoxEntryText&, void>
+{
+	void* key;
+	eListBox<eListBoxEntryText>* lb;
+	bool sendSelChanged;
+
+	selectEntryByKey(void *key, eListBox<eListBoxEntryText> *lb, bool sendSelChanged=false):key(key), lb(lb), sendSelChanged(sendSelChanged)
+	{
+	}
+
+	bool operator()(const eListBoxEntryText& le)
+	{
+		if ( le.getKey() == key )
+		{
+			lb->setCurrent(&le, sendSelChanged );
+			return 1;
+		}
+		return 0;
+	}
+};
+
+int eComboBox::setCurrent( void* key, bool sendSelChanged )
+{
+	if (!listbox.getCount())
+		return E_INVALID_ENTRY;
+
+	eListBoxEntryText* cur = listbox.getCurrent();
+
+	if ( cur && cur->getKey() == key )
+		goto ok;
+
+	int err;
+	if ( (err=listbox.forEachEntry( selectEntryByKey(key, &listbox, sendSelChanged ) ) ) )
+		return E_COULDNT_FIND;
+
+ok:
+	setText( listbox.getCurrent()->getText() );
+	current = listbox.getCurrent();
+
+	return OK; 
+}
+
+eListBoxEntryText* eComboBox::getCurrent()
+{
+	return current;
+}