diff options
Diffstat (limited to 'src/common/gui/list_view.cpp')
| -rw-r--r-- | src/common/gui/list_view.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/common/gui/list_view.cpp b/src/common/gui/list_view.cpp new file mode 100644 index 0000000..c9434f3 --- /dev/null +++ b/src/common/gui/list_view.cpp @@ -0,0 +1,221 @@ +/*************************************************************************** + * Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org> * + * Copyright (C) 1992-2003 Trolltech AS. * + * * + * 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. * + ***************************************************************************/ +#include "list_view.h" + +#include <qapplication.h> +#include <qpainter.h> +#include <qlineedit.h> +#include <qheader.h> +#include <qmetaobject.h> +#include <qvariant.h> + +//---------------------------------------------------------------------------- +ListView::ListView(QWidget *parent, const char *name) + : KListView(parent, name) +{ + QToolTip::remove(this); + _tooltip = new ListViewToolTip(this); +} + +ListView::~ListView() +{ + delete _tooltip; +} + +QString ListView::tooltip(const QListViewItem &, int) const +{ + return QString::null; +} + +void ListView::clear() +{ + _editItems.clear(); + KListView::clear(); +} + +bool ListView::eventFilter(QObject *o, QEvent *e) +{ + QValueList<EditListViewItem *>::const_iterator it; + for (it=_editItems.begin(); it!=_editItems.end(); ++it) { + for (uint i=0; i<(*it)->_editWidgets.count(); i++) { + if ( (*it)->_editWidgets[i]==o ) { + //qDebug("event %i", e->type()); + switch (e->type()) { + case QEvent::KeyPress: { + QKeyEvent *ke = static_cast<QKeyEvent *>(e); + switch (ke->key()) { + case Key_Enter: + case Key_Return: + (*it)->renameDone(true); + return true; + case Key_Escape: + (*it)->removeEditBox(); + return true; + } + break; + } + case QEvent::FocusOut: { + //qDebug("focus out %i %i=%i", qApp->focusWidget(), focusWidget(), (*it)->_editWidgets[i]); + if ( qApp->focusWidget() && focusWidget()==(*it)->_editWidgets[i] ) break; + //qDebug("ext"); + QCustomEvent *e = new QCustomEvent(9999); + QApplication::postEvent(o, e); + return true; + } + case 9999: + (*it)->renameDone(false); + return true; + default: + //qDebug(" ignored"); + break; + } + } + } + } + return KListView::eventFilter(o, e); +} + +void ListView::stopRenaming(bool force) +{ + QValueList<EditListViewItem *>::const_iterator it; + for (it=_editItems.begin(); it!=_editItems.end(); ++it) + if ( (*it)->isRenaming() ) (*it)->renameDone(force); +} + +//---------------------------------------------------------------------------- +void ListViewToolTip::maybeTip(const QPoint &p) +{ + if ( _listView==0 ) return; + const QListViewItem* item = _listView->itemAt(p); + if ( item==0 ) return; + QRect rect = _listView->itemRect(item); + if ( !rect.isValid() ) return; + int col = _listView->header()->sectionAt(p.x()); + QString text = _listView->tooltip(*item, col); + if ( !text.isEmpty() ) { + int hpos = _listView->header()->sectionPos(col); + rect.setLeft(hpos); + rect.setRight(hpos + _listView->header()->sectionSize(col)); + tip(rect, text); + } +} + +//---------------------------------------------------------------------------- +EditListViewItem::EditListViewItem(ListView *list) + : KListViewItem(list), _renaming(false) +{ + setRenameEnabled(0, true); + list->_editItems.append(this); +} + +EditListViewItem::EditListViewItem(KListViewItem *item) + : KListViewItem(item), _renaming(false) +{ + setRenameEnabled(0, true); + static_cast<ListView *>(listView())->_editItems.append(this); +} + +EditListViewItem::~EditListViewItem() +{ + if ( listView() ) static_cast<ListView *>(listView())->_editItems.remove(this); + for (uint i=0; i<_editWidgets.count(); i++) delete _editWidgets[i]; +} + +void EditListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int align) +{ + if ( column<int(_editWidgets.count()) && _editWidgets[column] ) + p->fillRect(0, 0, width, height(), cg.color(QColorGroup::Background)); + else KListViewItem::paintCell(p, cg, column, width, align); +} + +void EditListViewItem::startRename() +{ + if ( !renameEnabled(0) ) return; + QListView *lv = listView(); + if ( !lv ) return; + KListViewItem::startRename(0); + if (renameBox) { + renameBox->removeEventFilter(lv); + renameBox->hide(); + lv->removeChild(renameBox); + } + _renaming = true; + _editWidgets.resize(lv->columns()); + for (uint i=0; i<_editWidgets.count(); i++) { + QRect r = lv->itemRect(this); + r = QRect(lv->viewportToContents(r.topLeft()), r.size()); + r.setLeft(lv->header()->sectionPos(i)); + r.setWidth(lv->header()->sectionSize(i) - 1); + if ( i==0 ) r.setLeft(r.left() + lv->itemMargin() + (depth() + (lv->rootIsDecorated() ? 1 : 0)) * lv->treeStepSize() - 1); + if ( (lv->contentsX() + lv->visibleWidth())<(r.x() + r.width()) ) + lv->scrollBy((r.x() + r.width() ) - ( lv->contentsX() + lv->visibleWidth() ), 0); + if ( r.width()>lv->visibleWidth() ) r.setWidth(lv->visibleWidth()); + + _editWidgets[i] = editWidgetFactory(i); + if ( _editWidgets[i]==0 ) continue; + _editWidgets[i]->installEventFilter(lv); + lv->addChild(_editWidgets[i], r.x(), r.y()); + uint w = QMIN(r.width(), _editWidgets[i]->sizeHint().width()); + _editWidgets[i]->resize(w, r.height()); + lv->viewport()->setFocusProxy(_editWidgets[i]); + _editWidgets[i]->setFocus(); + _editWidgets[i]->show(); + } +} + +void EditListViewItem::removeEditBox() +{ + QListView *lv = listView(); + if ( !lv ) return; + _renaming = false; + bool resetFocus = false; + for (uint i=0; i<_editWidgets.count(); i++) { + if ( lv->viewport()->focusProxy()==_editWidgets[i] ) resetFocus = true; + delete _editWidgets[i]; + } + _editWidgets.clear(); + delete renameBox; + renameBox = 0; + if (resetFocus) { + lv->viewport()->setFocusProxy(lv); + lv->setFocus(); + } +} + +void EditListViewItem::editDone(int col, const QWidget *edit) +{ + if ( edit->metaObject()->findProperty("text", true)!=-1 ) + emit listView()->itemRenamed(this, col, edit->property("text").toString()); + else if ( edit->metaObject()->findProperty("currentText", true)!=-1 ) + emit listView()->itemRenamed(this, col, edit->property("currentText").toString()); +} + +void EditListViewItem::renameDone(bool force) +{ + QListView *lv = listView(); + if ( !lv || !_renaming ) return; + _renaming = false; + for (uint i=0; i<_editWidgets.count(); i++) { + if ( !force && !alwaysAcceptEdit(i) ) continue; + emit lv->itemRenamed(this, i); + if ( _editWidgets[i] ) editDone(i, _editWidgets[i]); + } + removeEditBox(); +} + +int EditListViewItem::width(const QFontMetrics &fm, const QListView *lv, int col) const +{ + int w = KListViewItem::width(fm, lv, col); + QWidget *edit = editWidgetFactory(col); + if ( edit==0 ) return w; + w = QMAX(w, edit->sizeHint().width()); + delete edit; + return w; +} |