treenodeitem.cpp
00001 /* 00002 This file is part of Akregator. 00003 00004 Copyright (C) 2004 Frank Osterfeld <frank.osterfeld at kdemail.net> 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00019 00020 As a special exception, permission is given to link this program 00021 with any edition of TQt, and distribute the resulting executable, 00022 without including the source code for TQt in the source distribution. 00023 */ 00024 00025 #include "akregatorconfig.h" 00026 00027 #include "treenode.h" 00028 #include "treenodeitem.h" 00029 #include "folderitem.h" 00030 #include <tqfont.h> 00031 #include <tqheader.h> 00032 #include <tqpainter.h> 00033 #include <tqstring.h> 00034 00035 #include <kstringhandler.h> 00036 00037 #include <kdebug.h> 00038 00039 namespace Akregator { 00040 00041 TreeNodeItem::TreeNodeItem(FolderItem* parent, TreeNode* node) 00042 : TDEListViewItem(parent), m_node(node) 00043 { 00044 initialize(node); 00045 } 00046 00047 TreeNodeItem::TreeNodeItem(TDEListView* parent, TreeNode* node) 00048 : TDEListViewItem(parent), m_node(node) 00049 { 00050 initialize(node); 00051 } 00052 00053 TreeNodeItem::TreeNodeItem(TDEListView* parent, TreeNodeItem* after, TreeNode* node) : TDEListViewItem(parent, after), m_node(node) 00054 { 00055 initialize(node); 00056 } 00057 00058 TreeNodeItem::TreeNodeItem(FolderItem* parent, TreeNodeItem* after, TreeNode* node) 00059 : TDEListViewItem(parent, after), m_node(node) 00060 { 00061 initialize(node); 00062 } 00063 00064 void TreeNodeItem::initialize(TreeNode* node) 00065 { 00066 setRenameEnabled(0, true); 00067 if (node) 00068 setText(0, node->title() ); 00069 } 00070 00071 TreeNodeItem::~TreeNodeItem() 00072 {} 00073 00074 TQString TreeNodeItem::toolTip() const 00075 { 00076 return TQString(); 00077 } 00078 00079 TreeNode* TreeNodeItem::node() 00080 { 00081 return m_node; 00082 } 00083 00084 void TreeNodeItem::nodeChanged() 00085 { 00086 // kdDebug() << "enter TreeNodeItem::nodeChanged item" << text(0) << endl; 00087 if (!node()) 00088 return; 00089 if (text(0) != node()->title()) 00090 setText(0, node()->title()); 00091 // kdDebug() << "leave TreeNodeItem::nodeChanged item" << text(0) << endl; 00092 } 00093 00094 TreeNodeItem* TreeNodeItem::firstChild() const 00095 { 00096 return static_cast<TreeNodeItem*>(TDEListViewItem::firstChild()); 00097 } 00098 00099 TreeNodeItem* TreeNodeItem::nextSibling() const 00100 { 00101 return static_cast<TreeNodeItem*>(TDEListViewItem::nextSibling()); 00102 } 00103 00104 FolderItem* TreeNodeItem::parent() const 00105 { 00106 return static_cast<FolderItem*>(TDEListViewItem::parent()); 00107 } 00108 00109 00110 // TODO: reverse for reverse layout 00111 void TreeNodeItem::paintCell( TQPainter * p, const TQColorGroup & cg, 00112 int column, int width, int align ) 00113 00114 { 00115 int u = node() ? node()->unread() : 0; 00116 00117 if (u <= 0) 00118 { 00119 TDEListViewItem::paintCell(p,cg,column,width,align); 00120 return; 00121 } 00122 00123 // from kfoldertree 00124 TQString oldText = text(column); 00125 setText( column, " " ); 00126 00127 // draw bg 00128 TDEListViewItem::paintCell(p,cg,column,width,align); 00129 00130 setText( column, oldText); 00131 00132 // draw fg 00133 TQFont f = p->font(); 00134 f.setWeight(TQFont::Bold); 00135 p->setFont(f); 00136 00137 TQFontMetrics fm( p->fontMetrics() ); 00138 TQListView *lv = listView(); 00139 int x = lv ? lv->itemMargin() : 1; 00140 int m=x; 00141 const TQPixmap *icon = pixmap( column ); 00142 TQRect br; 00143 00144 if (icon) 00145 x += icon->width() + m; 00146 00147 TQString txt = " (" + TQString::number(u) + ")"; 00148 int txtW=fm.width( txt ); 00149 00150 if (fm.width( oldText ) + txtW + x > width) 00151 oldText=KStringHandler::rPixelSqueeze(oldText,fm, width - txtW - x); 00152 00153 p->drawText( x, 0, width-m-x, height(), align | AlignVCenter, oldText, -1, &br ); 00154 00155 if ( !isSelected() ) 00156 p->setPen( Settings::unreadTextColor() ); 00157 00158 p->drawText( br.right(), 0, width-m-br.right(), height(), 00159 align | AlignVCenter, txt ); 00160 00161 /*if ( isSelected() ) 00162 p->setPen( cg.highlightedText() ); 00163 else 00164 p->setPen( cg.text() );*/ 00165 } 00166 00167 } // namespace Akregator