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-rw-r--r--src/common/gui/list_view.cpp221
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;
+}
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