Add abakus

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/abakus@1071969 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 149 insertions, 0 deletions

diff --git a/src/resultlistview.cpp b/src/resultlistview.cpp
new file mode 100644
index 0000000..abe76c1
--- /dev/null
+++ b/src/resultlistview.cpp
@@ -0,0 +1,149 @@
+/*
+ * resultlistview.cpp - part of abakus
+ * Copyright (C) 2004, 2005 Michael Pyne <[email protected]>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02110-1301  USA
+ */
+#include <kdebug.h>
+#include <kpopupmenu.h>
+#include <klocale.h>
+
+#include <qclipboard.h>
+#include <qapplication.h>
+#include <qevent.h>
+#include <qcursor.h>
+#include <qdragobject.h>
+#include <qheader.h>
+
+#include "resultlistview.h"
+#include "resultlistviewtext.h"
+#include "dragsupport.h"
+
+using DragSupport::makePixmap;
+using namespace ResultList;
+
+ResultListView::ResultListView(QWidget *parent, const char *name) :
+    KListView(parent, name), m_itemRightClicked(0)
+{
+    connect(this, SIGNAL(doubleClicked(QListViewItem *, const QPoint &, int)),
+                  SLOT(slotDoubleClicked(QListViewItem *, const QPoint &, int)));
+
+    addColumn(i18n("Expression"));
+    addColumn(i18n("Result"));
+    addColumn(i18n("Shortcut"));
+
+    header()->hide(); // I hate that header
+    header()->setStretchEnabled(ResultColumn, true);
+
+    setDragEnabled(true);
+    setItemMargin(2);
+    setColumnAlignment(ResultColumn, AlignLeft);
+    setColumnAlignment(ShortcutColumn, AlignHCenter);
+    setColumnWidthMode(ResultColumn, Maximum);
+    setSortColumn(-1);
+}
+
+bool ResultListView::getStackValue(unsigned stackPosition, Abakus::number_t &result)
+{
+    QListViewItem *it = firstChild();
+    for(; it; it = it->itemBelow()) {
+	ResultListViewText *resultItem = dynamic_cast<ResultListViewText *>(it);
+	if(!resultItem->wasError() && resultItem->stackPosition() == stackPosition) {
+	    result = Abakus::number_t(resultItem->resultText().latin1());
+	    return true;
+	}
+    }
+
+    return false;
+}
+
+QDragObject *ResultListView::dragObject()
+{
+    QPoint viewportPos = viewport()->mapFromGlobal(QCursor::pos());
+    ResultListViewText *item = itemUnderCursor();
+
+    if(item) {
+	QString text = item->resultText();
+
+	int column = header()->sectionAt(viewportPos.x());
+
+	if(column == ExpressionColumn)
+	    text = item->expressionText();
+
+	QDragObject *drag = new QTextDrag(text, this);
+	drag->setPixmap(makePixmap(text, font()));
+
+	return drag;
+    }
+
+    return 0;
+}
+
+void ResultListView::contextMenuEvent(QContextMenuEvent *e)
+{
+    m_itemRightClicked = itemUnderCursor();
+    KPopupMenu *menu = constructPopupMenu(m_itemRightClicked);
+
+    menu->popup(e->globalPos());
+}
+
+void ResultListView::slotDoubleClicked(QListViewItem *item, const QPoint &, int c)
+{
+    ResultListViewText *textItem = dynamic_cast<ResultListViewText *>(item);
+    if(!textItem)
+	return;
+
+    if(c == ExpressionColumn)
+	emit signalEntrySelected(textItem->expressionText());
+    else if(c == ResultColumn)
+	emit signalResultSelected(textItem->resultText());
+}
+
+KPopupMenu *ResultListView::constructPopupMenu(const ResultListViewText *item)
+{
+    KPopupMenu *menu = new KPopupMenu(this, "list view context menu");
+
+    menu->insertItem(i18n("Clear &History"), this, SLOT(clear()), ALT+Key_R);
+
+    int id = menu->insertItem(i18n("Copy Result to Clipboard"), this, SLOT(slotCopyResult()));
+    if(!item || item->wasError())
+	menu->setItemEnabled(id, false);
+
+    return menu;
+}
+
+void ResultListView::slotCopyResult()
+{
+    if(!m_itemRightClicked)
+	return;
+
+    QClipboard *clipboard = QApplication::clipboard();
+
+    clipboard->setText(m_itemRightClicked->resultText(), QClipboard::Clipboard);
+}
+
+ResultListViewText *ResultListView::lastItem() const
+{
+    return static_cast<ResultListViewText *>(KListView::lastItem());
+}
+
+ResultListViewText *ResultListView::itemUnderCursor() const
+{
+    QPoint viewportPos = viewport()->mapFromGlobal(QCursor::pos());
+    QListViewItem *underCursor = itemAt(viewportPos);
+    return static_cast<ResultListViewText *>(underCursor);
+}
+
+#include "resultlistview.moc"