Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 265 insertions, 0 deletions

diff --git a/kdeprint/management/cjanuswidget.cpp b/kdeprint/management/cjanuswidget.cpp
new file mode 100644
index 000000000..a2ea52b2e
--- /dev/null
+++ b/kdeprint/management/cjanuswidget.cpp
@@ -0,0 +1,265 @@
+/*
+ *  This file is part of the KDE libraries
+ *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library 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., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#include "cjanuswidget.h"
+
+#include <qwidgetstack.h>
+#include <qlabel.h>
+#include <qpainter.h>
+#include <klistbox.h>
+#include <qlayout.h>
+#include <kseparator.h>
+
+class CJanusWidget::CPage
+{
+public:
+	QWidget		*m_widget;
+	QString		m_text;
+	QString		m_header;
+	QPixmap		m_pixmap;
+	CListBoxItem	*m_item;
+};
+
+//***********************************************************************************
+
+class CJanusWidget::CListBoxItem : public QListBoxItem
+{
+public:
+	CListBoxItem(QListBox *lb, QListBoxItem *after, const QPixmap& pix, const QString& text);
+	int height(const QListBox*) const;
+	int width(const QListBox*) const;
+
+protected:
+	void paint(QPainter*);
+
+private:
+	QPixmap	m_pix;
+};
+
+CJanusWidget::CListBoxItem::CListBoxItem(QListBox *lb, QListBoxItem *after, const QPixmap& pix, const QString& text)
+: QListBoxItem(lb, after), m_pix(pix)
+{
+	setText(text);
+}
+
+int CJanusWidget::CListBoxItem::height(const QListBox *lb) const
+{
+	return (m_pix.height() + lb->fontMetrics().lineSpacing() + 12);
+}
+
+int CJanusWidget::CListBoxItem::width(const QListBox *lb) const
+{
+	int	w = QMAX(lb->fontMetrics().width(text()),m_pix.width());
+	return (w + 10);
+}
+
+void CJanusWidget::CListBoxItem::paint(QPainter *p)
+{
+	int	w1 = (listBox()->contentsWidth()-m_pix.width())/2;
+
+	p->drawPixmap(w1,5,m_pix);
+	p->drawText(0,7+m_pix.height(),listBox()->contentsWidth(),p->fontMetrics().lineSpacing(),Qt::AlignHCenter,text());
+}
+
+//***********************************************************************************
+
+class CJanusWidget::CListBox : public KListBox
+{
+public:
+	CListBox(QWidget *parent = 0, const char *name = 0);
+	~CListBox();
+
+	void computeWidth();
+
+protected:
+	virtual bool eventFilter(QObject*, QEvent*);
+};
+
+CJanusWidget::CListBox::CListBox(QWidget *parent, const char *name)
+: KListBox(parent,name)
+{
+	verticalScrollBar()->installEventFilter(this);
+}
+
+CJanusWidget::CListBox::~CListBox()
+{
+}
+
+bool CJanusWidget::CListBox::eventFilter(QObject *o, QEvent *e)
+{
+	if (e->type() == QEvent::Show || e->type() == QEvent::Hide)
+		computeWidth();
+	return KListBox::eventFilter(o,e);
+}
+
+void CJanusWidget::CListBox::computeWidth()
+{
+	QListBoxItem	*item = firstItem();
+	int	w(40);
+	while (item)
+	{
+		w = QMAX(w,item->width(this));
+		item = item->next();
+	}
+	if (verticalScrollBar()->isVisible())
+		w += verticalScrollBar()->sizeHint().width();
+	w += (frameWidth()*2);
+	setFixedWidth(w);
+}
+
+//***********************************************************************************
+
+CJanusWidget::CJanusWidget(QWidget *parent, const char *name)
+: QWidget(parent,name)
+{
+	m_pages.setAutoDelete(true);
+
+	m_stack = new QWidgetStack(this);
+	m_header = new QLabel(this);
+	QFont	f(m_header->font());
+	f.setBold(true);
+	m_header->setFont(f);
+
+	KSeparator* sep = new KSeparator( KSeparator::HLine, this);
+	sep->setFixedHeight(5);
+
+	m_iconlist = new CListBox(this);
+	f = m_iconlist->font();
+	f.setBold(true);
+	m_iconlist->setFont(f);
+	connect(m_iconlist,SIGNAL(selectionChanged(QListBoxItem*)),SLOT(slotSelected(QListBoxItem*)));
+
+	m_empty = new QWidget(this, "Empty");
+	m_stack->addWidget(m_empty,0);
+
+	QHBoxLayout	*main_ = new QHBoxLayout(this, 0, 10);
+	QVBoxLayout	*sub_ = new QVBoxLayout(0, 0, 5);
+	main_->addWidget(m_iconlist,0);
+	main_->addLayout(sub_,1);
+	sub_->addWidget(m_header,0);
+	sub_->addWidget(sep,0);
+	sub_->addWidget(m_stack,1);
+}
+
+CJanusWidget::~CJanusWidget()
+{
+}
+
+void CJanusWidget::addPage(QWidget *w, const QString& text, const QString& header, const QPixmap& pix)
+{
+	CPage	*page = new CPage();
+	m_pages.append(page);
+	page->m_widget = w;
+	page->m_text = text;
+	page->m_header = header;
+	page->m_pixmap = pix;
+	page->m_item = new CListBoxItem(m_iconlist,findPrevItem(page),pix,text);
+	m_iconlist->computeWidth();
+	m_stack->addWidget(w,m_pages.count());
+
+	if (m_iconlist->count() == 1)
+		m_iconlist->setSelected(page->m_item,true);
+}
+
+void CJanusWidget::enablePage(QWidget *w)
+{
+	CPage	*page = findPage(w);
+	if (page && !page->m_item)
+	{
+		page->m_item = new CListBoxItem(m_iconlist,findPrevItem(page),page->m_pixmap,page->m_text);
+		m_iconlist->computeWidth();
+		if (m_iconlist->count() == 1)
+			m_iconlist->setSelected(page->m_item,true);
+	}
+}
+
+void CJanusWidget::disablePage(QWidget *w)
+{
+	CPage	*page = findPage(w);
+	if (page && page->m_item)
+	{
+		bool	needReselect(m_iconlist->isSelected(page->m_item));
+		delete page->m_item;
+		page->m_item = 0;
+		m_iconlist->computeWidth();
+		if (needReselect)
+			if (m_iconlist->count() > 0)
+				m_iconlist->setSelected(m_iconlist->firstItem(),true);
+			else
+				slotSelected(0);
+	}
+}
+
+void CJanusWidget::slotSelected(QListBoxItem *item)
+{
+	CPage	*page = findPage(item);
+	if (page)
+	{
+		m_stack->raiseWidget(page->m_widget);
+		m_header->setText(page->m_header);
+	}
+	else
+	{
+		m_header->setText("");
+		m_stack->raiseWidget(m_empty);
+	}
+}
+
+CJanusWidget::CPage* CJanusWidget::findPage(QWidget *w)
+{
+	QPtrListIterator<CPage>	it(m_pages);
+	for (;it.current();++it)
+		if (it.current()->m_widget == w)
+			return it.current();
+	return 0;
+}
+
+CJanusWidget::CPage* CJanusWidget::findPage(QListBoxItem *i)
+{
+	QPtrListIterator<CPage>	it(m_pages);
+	for (;it.current();++it)
+		if (it.current()->m_item == i)
+			return it.current();
+	return 0;
+}
+
+QListBoxItem* CJanusWidget::findPrevItem(CPage *p)
+{
+	if (m_pages.findRef(p) == -1)
+		m_pages.last();
+	else
+		m_pages.prev();
+	for (;m_pages.current();m_pages.prev())
+		if (m_pages.current()->m_item)
+			return m_pages.current()->m_item;
+	return 0;
+}
+
+void CJanusWidget::clearPages()
+{
+	QPtrListIterator<CPage>	it(m_pages);
+	for (;it.current(); ++it)
+	{
+		delete it.current()->m_widget;
+		delete it.current()->m_item;
+	}
+	m_pages.clear();
+}
+
+#include "cjanuswidget.moc"