Added abandoned KDE3 version of kchmviewer

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kchmviewer@1090662 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 286 insertions, 0 deletions

diff --git a/src/kchmtreeviewitem.cpp b/src/kchmtreeviewitem.cpp
new file mode 100644
index 0000000..7a82a39
--- /dev/null
+++ b/src/kchmtreeviewitem.cpp
@@ -0,0 +1,286 @@
+/***************************************************************************
+ *   Copyright (C) 2004-2007 by Georgy Yunaev, gyunaev@ulduzsoft.com       *
+ *   Please do not use email address above for bug reports; see            *
+ *   the README file                                                       *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+
+#include <qstringlist.h>
+#include <qstyle.h>
+
+#include "kchmtreeviewitem.h"
+#include "kchmmainwindow.h"
+#include "kchmdialogchooseurlfromlist.h"
+#include "iconstorage.h"
+
+
+KCHMIndTocItem::KCHMIndTocItem( QListViewItem * parent, QListViewItem * after, QString name, QString aurl, int image) : QListViewItem(parent, after, name), url(aurl), image_number(image)
+{
+}
+
+KCHMIndTocItem::KCHMIndTocItem( QListView * parent, QListViewItem * after, QString name, QString aurl, int image) : QListViewItem(parent, after, name), url(aurl), image_number(image)
+{
+}
+
+
+const QPixmap * KCHMIndTocItem::pixmap( int i ) const
+{
+	int imagenum;
+
+	if ( i || image_number == LCHMBookIcons::IMAGE_NONE || image_number == LCHMBookIcons::IMAGE_INDEX )
+        return 0;
+
+	if ( firstChild () )
+	{
+		if ( isOpen() )
+			imagenum = (image_number == LCHMBookIcons::IMAGE_AUTO) ? 1 : image_number;
+		else
+			imagenum = (image_number == LCHMBookIcons::IMAGE_AUTO) ? 0 : image_number + 1;
+	}
+	else
+		imagenum = (image_number == LCHMBookIcons::IMAGE_AUTO) ? 10 : image_number;
+
+	return ::mainWindow->chmFile()->getBookIconPixmap( imagenum );
+}
+
+
+QString KCHMIndTocItem::getUrl( ) const
+{
+	if ( url.find ('|') == -1 )
+		return url;
+
+	// Create a dialog with URLs, and show it, so user can select an URL he/she wants.
+	QStringList urls = QStringList::split ('|', url);
+	QStringList titles;
+	LCHMFile * xchm = ::mainWindow->chmFile();
+
+	for ( unsigned int i = 0; i < urls.size(); i++ )
+	{
+		QString title = xchm->getTopicByUrl (urls[i]);
+		
+		if ( !title )
+		{
+			qWarning ("Could not get item name for url '%s'", urls[i].ascii());
+			titles.push_back(QString::null);
+		}
+		else
+			titles.push_back(title);
+	}
+
+	KCHMDialogChooseUrlFromList dlg (urls, titles, ::mainWindow);
+
+	if ( dlg.exec() == QDialog::Accepted )
+		return dlg.getSelectedItemUrl();
+
+	return QString::null;
+}
+
+
+void KCHMIndTocItem::paintBranches( QPainter * p, const QColorGroup & cg, int w, int y, int h )
+{
+	if ( image_number != LCHMBookIcons::IMAGE_INDEX )
+		QListViewItem::paintBranches(p, cg, w, y, h);
+	else
+	{
+		// Too bad that listView()->paintEmptyArea( p, QRect( 0, 0, w, h ) ) is protected. 
+		// Taken from qt-x11-free-3.0.4/src/widgets/qlistview.cpp
+    	QStyleOption opt( 0, 0 );
+    	QStyle::SFlags how = QStyle::Style_Default | QStyle::Style_Enabled;
+
+    	listView()->style().drawComplexControl( QStyle::CC_ListView,
+				p, listView(), QRect( 0, 0, w, h ), cg,
+				how, QStyle::SC_ListView, QStyle::SC_None,
+				opt );
+	}
+}
+
+
+void KCHMIndTocItem::paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int align )
+{
+    QColorGroup newcg ( cg );
+    QColor c = newcg.text();
+
+	if ( url.find ('|') != -1 )
+        newcg.setColor( QColorGroup::Text, Qt::red );
+	else if ( url[0] == ':' )
+        newcg.setColor( QColorGroup::Text, Qt::lightGray );
+	else
+	{
+		QListViewItem::paintCell( p, cg, column, width, align );
+		return;
+	}
+
+    QListViewItem::paintCell( p, newcg, column, width, align );
+	newcg.setColor( QColorGroup::Text, c );
+}
+
+
+void KCHMIndTocItem::setOpen( bool open )
+{
+	if ( image_number != LCHMBookIcons::IMAGE_INDEX || open )
+		QListViewItem::setOpen (open);
+}
+
+void kchmFillListViewWithParsedData( QListView * list, const QValueVector< LCHMParsedEntry >& data, QMap<QString, KCHMIndTocItem*> * map )
+{
+	QValueVector< KCHMIndTocItem *> lastchild;
+	QValueVector< KCHMIndTocItem *> rootentry;	
+
+	if ( map )
+		map->clear();
+	
+	list->clear();	
+	
+	for ( unsigned int i = 0; i < data.size(); i++ )
+	{
+		unsigned int indent = data[i].indent;
+
+		// Do we need to add another indent?
+		if ( indent >= lastchild.size() )
+		{
+			lastchild.resize( indent + 1 );
+			lastchild[indent] = 0;
+		
+			rootentry.resize( indent + 1 );
+			rootentry[indent] = 0;
+		}
+	
+		// Create the node
+		KCHMIndTocItem * item;
+		QString url = data[i].urls.join ("|");
+		
+		if ( indent == 0 )
+			item = new KCHMIndTocItem( list, lastchild[indent], data[i].name, url, data[i].imageid );
+		else
+		{
+			// New non-root entry. It is possible (for some buggy CHMs) that there is no previous entry: previoous entry had indent 1,
+			// and next entry has indent 3. Backtracking it up, creating missing entries.
+			if ( rootentry[indent-1] == 0 )
+				qFatal("Child entry indented as %d with no root entry!", indent);
+
+			item = new KCHMIndTocItem( rootentry[indent-1], lastchild[indent], data[i].name, url, data[i].imageid );
+		}
+
+		// Hack: if map is 0, we have index, so make it open
+		if ( map )
+		{
+			for ( unsigned int li = 0; li < data[i].urls.size(); li++ )
+				map->insert( data[i].urls[li], item );
+		}
+		else
+			item->setOpen( true );
+
+		lastchild[indent] = item;
+		rootentry[indent] = item;
+	}		
+
+	list->triggerUpdate();
+/*	
+	KCHMMainTreeViewItem * item;
+
+				if ( !root_indent_offset_set )
+				{
+					root_indent_offset_set = true;
+					root_indent_offset = indent;
+					
+					if ( root_indent_offset > 1 )
+						qWarning("CHM has improper index; root indent offset is %d", root_indent_offset);
+				}
+
+				int real_indent = indent - root_indent_offset;
+				QString url = urls.join ("|");
+
+				if ( real_indent == 0 )
+				{
+					// New root entry
+					item = new KCHMMainTreeViewItem (tree, lastchild[real_indent], name, url, imagenum);
+					DEBUGPARSER(("<root object>: '%s', new rootentry %08X\n", name.ascii(), item));
+				}
+				else
+				{
+					// New non-root entry
+					if ( !rootentry[real_indent-1] )
+						qFatal("CHMFile::ParseAndFillTopicsTree: child entry \"%s\" indented as %d with no root entry!", name.ascii(), real_indent);
+
+					item = new KCHMMainTreeViewItem (rootentry[real_indent-1], lastchild[real_indent], name, url,  imagenum);
+					DEBUGPARSER(("<object>: '%s', indent %d, rootentry %08X, item %08X\n", name.ascii(), real_indent, rootentry[real_indent-1], item));
+				}
+
+				lastchild[real_indent] = item;
+				rootentry[real_indent] = item;
+
+				if ( asIndex  )
+					rootentry[real_indent]->setOpen(true);
+
+				// There are no 'titles' in index file
+				if ( add2treemap  )
+				{
+					for ( unsigned int li = 0; li < urls.size(); li++ )
+						m_treeUrlMap[urls[li]] = item;
+				}
+			}
+			else
+			{
+				if ( !urls.isEmpty() )
+					qDebug ("CHMFile::ParseAndFillTopicsTree: <object> tag with url \"%s\" is parsed, but name is empty.", urls[0].ascii());
+				else
+					qDebug ("CHMFile::ParseAndFillTopicsTree: <object> tag is parsed, but both name and url are empty.");	
+			}
+
+			name = QString::null;
+			urls.clear();
+			in_object = false;
+			imagenum = defaultimagenum;
+		}
+		}
+		else if ( tagword == "ul" ) // increase indent level
+		{
+			// Fix for buggy help files		
+			if ( ++indent >= MAX_NEST_DEPTH )
+				qFatal("CHMFile::ParseAndFillTopicsTree: max nest depth (%d) is reached, error in help file", MAX_NEST_DEPTH);
+
+			lastchild[indent] = 0;
+			rootentry[indent] = 0;
+			
+			// This intended to fix <ul><ul>, which was seen in some buggy chm files,
+			// and brokes rootentry[indent-1] check
+			int real_indent = indent - root_indent_offset;
+			if ( real_indent > 1
+						  && rootentry[real_indent - 1] == 0
+						  && rootentry[real_indent - 2] != 0 )
+			{
+				rootentry[real_indent - 1] = rootentry[real_indent - 2];
+				qWarning("Broken CHM index/content: tree autocorrection enabled.");
+			}
+						  
+			DEBUGPARSER(("<ul>: new indent is %d, last rootentry was %08X\n", indent - root_indent_offset, rootentry[indent-1]));
+		}
+		else if ( tagword == "/ul" ) // decrease indent level
+		{
+			if ( --indent < root_indent_offset )
+				indent = root_indent_offset;
+
+			rootentry[indent] = 0;
+			DEBUGPARSER(("</ul>: new intent is %d\n", indent - root_indent_offset));
+		}
+
+		pos = i;	
+	}
+	
+	return true;
+*/
+}