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, 156 insertions, 0 deletions

diff --git a/kdeprint/treecombobox.cpp b/kdeprint/treecombobox.cpp
new file mode 100644
index 000000000..e131d8c3c
--- /dev/null
+++ b/kdeprint/treecombobox.cpp
@@ -0,0 +1,156 @@
+/*
+ *  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 "treecombobox.h"
+
+#include <qpainter.h>
+
+TreeListBoxItem::TreeListBoxItem(QListBox *lb, const QPixmap& pix, const QString& txt, bool oneBlock)
+	: QListBoxPixmap(pix, txt)
+{
+	if (oneBlock)
+		m_path = QStringList(txt);
+	else
+		m_path = QStringList::split('/', text(), false);
+	m_depth = m_path.count()-1;
+	m_child = m_next = m_parent = 0;
+
+	// insert into QListBox
+	if (m_depth == 0)
+	{
+		TreeListBoxItem	*item = static_cast<TreeListBoxItem*>(lb->item(0));
+		while (item && item->m_next)
+			item = item->m_next;
+		lb->insertItem(this);
+		if (item)
+			item->m_next = this;
+	}
+	else
+	{
+		QString	parentStr = txt.left(txt.length()-m_path[m_depth].length()-1);
+		TreeListBoxItem	*parentItem = static_cast<TreeListBoxItem*>(lb->findItem(parentStr, Qt::ExactMatch));
+		if (!parentItem)
+		{
+			// parent not found, add parent first into QListBox
+			parentItem = new TreeListBoxItem(lb, QPixmap(), parentStr);
+		}
+		// search last "child" of the parent item, to put the new one
+		// at the end
+		TreeListBoxItem	*childItem = static_cast<TreeListBoxItem*>(parentItem), *prevItem = 0;
+		while (childItem->next())
+		{
+			TreeListBoxItem	*nextItem = static_cast<TreeListBoxItem*>(childItem->next());
+			if (nextItem->m_depth >= m_depth)
+			{
+				childItem = nextItem;
+				if (childItem->m_depth == m_depth)
+					prevItem = childItem;
+			}
+			else
+				break;
+		}
+		// eventually insert item
+		lb->insertItem(this, childItem);
+		m_parent = parentItem;
+		if (prevItem)
+			prevItem->m_next = this;
+		else
+			parentItem->m_child = this;
+	}
+}
+
+int TreeListBoxItem::width(const QListBox *lb) const
+{
+	int	w = m_depth * stepSize() + 2;
+	if (pixmap())
+		w += (pixmap()->width() + 2);
+	if (!m_path[m_depth].isEmpty())
+		w += (lb->fontMetrics().width(m_path[m_depth]) + 2);
+	return QMAX(w, QListBoxPixmap::width(lb));
+}
+
+void TreeListBoxItem::paint(QPainter *p)
+{
+	if(!static_cast<TreeListBox*>(listBox())->m_painting)
+	{
+		QListBoxPixmap::paint(p);
+		return;
+	}
+
+	const QPixmap	*pix = pixmap();
+	QRect	r = p->viewport();
+	int	h = height(listBox());
+	int	xo = (m_depth * stepSize() + 2);
+	int	yo = (pix ? (h-pix->height())/2 : 0);
+
+	if (m_depth > 0)
+	{
+		QPen	oldPen = p->pen();
+		p->setPen(listBox()->colorGroup().mid());
+
+		TreeListBoxItem	*item = this;
+		int	s = xo-stepSize()/2;
+		p->drawLine(s, r.top(), s, h/2);
+		p->drawLine(s, h/2, s+stepSize()/2-2, h/2);
+		while (item->m_parent)
+		{
+			if (item->m_next)
+				p->drawLine(s, r.top(), s, h);
+			item = item->m_parent;
+			s -= stepSize();
+		}
+
+		p->setPen(oldPen);
+	}
+	if (pix)
+	{
+		p->drawPixmap(xo, yo, *pix);
+		xo += (pix->width() + 2);
+	}
+	p->drawText(xo, 0, r.width()-xo, height(listBox()), Qt::AlignLeft, m_path[m_depth]);
+}
+
+//-----------------------------------------------------------------------------------------
+
+TreeListBox::TreeListBox(QWidget *parent, const char *name)
+	: QListBox(parent, name)
+{
+	m_painting = false;
+}
+
+void TreeListBox::paintCell(QPainter *p, int row, int col)
+{
+	m_painting = true;
+	QListBox::paintCell(p, row, col);
+	m_painting = false;
+}
+
+//-----------------------------------------------------------------------------------------
+
+TreeComboBox::TreeComboBox(QWidget *parent, const char *name)
+	: QComboBox(parent, name)
+{
+	m_listbox = new TreeListBox(this);
+	setListBox(m_listbox);
+}
+
+void TreeComboBox::insertItem(const QPixmap& pix, const QString& txt, bool oneBlock)
+{
+	new TreeListBoxItem(m_listbox, pix, txt, oneBlock);
+}