1 files changed, 147 insertions, 0 deletions
diff --git a/src/abakuslistview.h b/src/abakuslistview.h
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+#ifndef ABAKUS_LISTVIEW_H
+#define ABAKUS_LISTVIEW_H
+/*
+ * abakuslistview.h - part of abakus
+ * Copyright (C) 2004, 2005 Michael Pyne <michael.pyne@kdemail.net>
+ *
+ * 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 <klistview.h>
+
+#include "numerictypes.h"
+
+class KPopupMenu;
+
+class ListView : public KListView
+{
+    Q_OBJECT
+
+    public:
+    ListView(QWidget *parent, const char *name = 0);
+
+    protected:
+    virtual QDragObject *dragObject();
+
+    /**
+     * Used to enable fancy popup handling support in subclasses.  Subclasses
+     * also need to reimplement a few functions if they want to use this.
+     *
+     * This should be called in the subclass's constructor.
+     */
+    void enablePopupHandler(bool enable);
+
+    /**
+     * If using the popup menu handling, the subclass needs to return a
+     * translated string of the form "Remove selected <itemtype>".
+     */
+    virtual QString removeItemString() const;
+
+    /**
+     * If using the popup menu handling, the subclass needs to return a
+     * translated string of the form "Remove all <itemtype>s."  I recommend
+     * also appending a " (%n <itemtype>s), which you can use the @p count
+     * parameter for.
+     */
+    virtual QString removeAllItemsString(unsigned count) const;
+
+    protected slots:
+    /**
+     * If using the popup menu handing, the subclass needs to reimplement this
+     * function to remove the selected item, which is passed in as a
+     * parameter.
+     */
+    virtual void removeSelectedItem(QListViewItem *item);
+
+    /**
+     * If using the popup menu handling, the subclass needs to reimplement this
+     * function to remove all items.
+     */
+    virtual void removeAllItems();
+
+    /**
+     * If using the popup menu handling, this function may be called to
+     * determine whether the selected item given by @p item is removable.
+     */
+    virtual bool isItemRemovable(QListViewItem *item) const;
+
+    private slots:
+    void rightClicked(QListViewItem *item, const QPoint &pt);
+    void removeSelected();
+
+    private:
+    KPopupMenu *m_menu;
+    bool m_usePopup;
+
+    int m_removeSingleId;
+    int m_removeAllId;
+};
+
+class ValueListViewItem : public KListViewItem
+{
+    public:
+    ValueListViewItem (QListView *listView, const QString &name, const Abakus::number_t &value);
+
+    // Will cause the list item to rethink the text.
+    void valueChanged();
+    void valueChanged(const Abakus::number_t &newValue);
+
+    Abakus::number_t itemValue() const;
+
+    private:
+    Abakus::number_t m_value;
+};
+
+/**
+ * Subclass used for the list of variables.
+ */
+class VariableListView : public ListView
+{
+    Q_OBJECT
+    public:
+
+    VariableListView(QWidget *parent, const char *name = 0);
+
+    protected:
+    virtual QString removeItemString() const;
+    virtual QString removeAllItemsString(unsigned count) const;
+    virtual bool isItemRemovable(QListViewItem *item) const;
+
+    protected slots:
+    virtual void removeSelectedItem(QListViewItem *item);
+    virtual void removeAllItems();
+};
+
+/**
+ * Subclass used for the list of functions.
+ */
+class FunctionListView : public ListView
+{
+    Q_OBJECT
+    public:
+
+    FunctionListView(QWidget *parent, const char *name = 0);
+
+    protected:
+    virtual QString removeItemString() const;
+    virtual QString removeAllItemsString(unsigned count) const;
+    virtual bool isItemRemovable(QListViewItem *item) const;
+
+    protected slots:
+    virtual void removeSelectedItem(QListViewItem *item);
+    virtual void removeAllItems();
+};
+
+#endif