File indexing completed on 2024-05-12 04:19:49
0001 // vim: set tabstop=4 shiftwidth=4 expandtab: 0002 /* 0003 Gwenview: an image viewer 0004 Copyright 2009 Aurélien Gâteau <agateau@kde.org> 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License 0008 as published by the Free Software Foundation; either version 2 0009 of the License, or (at your option) any later version. 0010 0011 This program is distributed in the hope that it will be useful, 0012 but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0014 GNU General Public License for more details. 0015 0016 You should have received a copy of the GNU General Public License 0017 along with this program; if not, write to the Free Software 0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA. 0019 0020 */ 0021 // Self 0022 #include "itemeditor.h" 0023 0024 // Qt 0025 #include <QApplication> 0026 #include <QMimeDatabase> 0027 #include <QShowEvent> 0028 0029 // KF 0030 0031 // Local 0032 #include "gwenview_lib_debug.h" 0033 0034 namespace Gwenview 0035 { 0036 struct ItemEditorPrivate { 0037 QPoint mCenter; 0038 }; 0039 0040 ItemEditor::ItemEditor(QWidget *parent) 0041 : KLineEdit(parent) 0042 , d(new ItemEditorPrivate) 0043 { 0044 setPalette(QApplication::palette()); 0045 connect(this, &ItemEditor::textChanged, this, &ItemEditor::resizeToContents); 0046 setTrapReturnKey(true); 0047 } 0048 0049 ItemEditor::~ItemEditor() 0050 { 0051 delete d; 0052 } 0053 0054 void ItemEditor::showEvent(QShowEvent *event) 0055 { 0056 // We can't do this in PreviewItemDelegate::updateEditorGeometry() because QAbstractItemView outsmarts us by calling selectAll() on the editor if it is a 0057 // QLineEdit 0058 QMimeDatabase db; 0059 const QString extension = db.suffixForFileName(text()); 0060 if (!extension.isEmpty()) { 0061 // The filename contains an extension. Assure that only the filename 0062 // gets selected. 0063 const int selectionLength = text().length() - extension.length() - 1; 0064 setSelection(0, selectionLength); 0065 } 0066 KLineEdit::showEvent(event); 0067 } 0068 0069 void ItemEditor::resizeToContents() 0070 { 0071 if (d->mCenter.isNull()) { 0072 d->mCenter = geometry().center(); 0073 } 0074 int textWidth = fontMetrics().boundingRect(QStringLiteral(" ") + text() + QStringLiteral(" ")).width(); 0075 QRect rect = geometry(); 0076 rect.setWidth(textWidth); 0077 rect.moveCenter(d->mCenter); 0078 if (rect.right() > parentWidget()->width()) { 0079 rect.setRight(parentWidget()->width()); 0080 } 0081 if (rect.left() < 0) { 0082 rect.setLeft(0); 0083 } 0084 setGeometry(rect); 0085 } 0086 0087 } // namespace 0088 0089 #include "moc_itemeditor.cpp"