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+/*
+ This is the new twindecoration kcontrol module
+
+ Copyright (c) 2004, Sandro Giessl <sandro@giessl.com>
+ Copyright (c) 2001
+ Karol Szwed <gallium@kde.org>
+ http://gallium.n3.net/
+
+ Supports new twin configuration plugins, and titlebar button position
+ modification via dnd interface.
+
+ Based on original "twintheme" (Window Borders)
+ Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+*/
+
+#ifndef __BUTTONS_H_
+#define __BUTTONS_H_
+
+#include <tqbitmap.h>
+#include <tqevent.h>
+#include <tqdragobject.h>
+#include <tqlistbox.h>
+
+#include <klistview.h>
+
+class KDecorationFactory;
+
+/**
+ * This class holds the button data.
+ */
+class Button
+{
+ public:
+ Button();
+ Button(const TQString& name, const TQBitmap& icon, TQChar type, bool duplicate, bool supported);
+ virtual ~Button();
+
+ TQString name;
+ TQBitmap icon;
+ TQChar type;
+ bool duplicate;
+ bool supported;
+};
+
+class ButtonDrag : public TQStoredDrag
+{
+ public:
+ ButtonDrag( Button btn, TQWidget* parent, const char* name=0 );
+ ~ButtonDrag() {};
+
+ static bool canDecode( TQDropEvent* e );
+ static bool decode( TQDropEvent* e, Button& btn );
+};
+
+/**
+ * This is plugged into ButtonDropSite
+ */
+class ButtonDropSiteItem
+{
+ public:
+ ButtonDropSiteItem(const Button& btn);
+ ~ButtonDropSiteItem();
+
+ Button button();
+
+ TQRect rect;
+ int width();
+ int height();
+
+ void draw(TQPainter *p, const TQColorGroup& cg, TQRect rect);
+
+ private:
+ Button m_button;
+};
+
+/**
+ * This is plugged into ButtonSource
+ */
+class ButtonSourceItem : public TQListViewItem
+{
+ public:
+ ButtonSourceItem(TQListView * parent, const Button& btn);
+ virtual ~ButtonSourceItem();
+
+ void paintCell(TQPainter *p, const TQColorGroup &cg, int column, int width, int align);
+
+ void setButton(const Button& btn);
+ Button button() const;
+ private:
+ Button m_button;
+ bool m_dirty;
+};
+
+/**
+ * Implements the button drag source list view
+ */
+class ButtonSource : public KListView
+{
+ Q_OBJECT
+
+ public:
+ ButtonSource(TQWidget *parent = 0, const char* name = 0);
+ virtual ~ButtonSource();
+
+ TQSize tqsizeHint() const;
+
+ void hideAllButtons();
+ void showAllButtons();
+
+ public slots:
+ void hideButton(TQChar btn);
+ void showButton(TQChar btn);
+
+ protected:
+ bool acceptDrag(TQDropEvent* e) const;
+ virtual TQDragObject *dragObject();
+};
+
+typedef TQValueList<ButtonDropSiteItem*> ButtonList;
+
+/**
+ * This class renders and handles the demo titlebar dropsite
+ */
+class ButtonDropSite: public TQFrame
+{
+ Q_OBJECT
+
+ public:
+ ButtonDropSite( TQWidget* parent=0, const char* name=0 );
+ ~ButtonDropSite();
+
+ // Allow external classes access our buttons - ensure buttons are
+ // not duplicated however.
+ ButtonList buttonsLeft;
+ ButtonList buttonsRight;
+ void clearLeft();
+ void clearRight();
+
+ signals:
+ void buttonAdded(TQChar btn);
+ void buttonRemoved(TQChar btn);
+ void changed();
+
+ public slots:
+ bool removeSelectedButton(); ///< This slot is called after we drop on the item listbox...
+ void recalcItemGeometry(); ///< Call this whenever the item list changes... updates the items' rect property
+
+ protected:
+ void resizeEvent(TQResizeEvent*);
+ void dragEnterEvent( TQDragEnterEvent* e );
+ void dragMoveEvent( TQDragMoveEvent* e );
+ void dragLeaveEvent( TQDragLeaveEvent* e );
+ void dropEvent( TQDropEvent* e );
+ void mousePressEvent( TQMouseEvent* e ); ///< Starts dragging a button...
+
+ void drawContents( TQPainter* p );
+ ButtonDropSiteItem *buttonAt(TQPoint p);
+ bool removeButton(ButtonDropSiteItem *item);
+ int calcButtonListWidth(const ButtonList& buttons); ///< Computes the total space the buttons will take in the titlebar
+ void drawButtonList(TQPainter *p, const ButtonList& buttons, int offset);
+
+ TQRect leftDropArea();
+ TQRect rightDropArea();
+
+ private:
+ /**
+ * Try to find the item. If found, set its list and iterator and return true, else return false
+ */
+ bool getItemIterator(ButtonDropSiteItem *item, ButtonList* &list, ButtonList::iterator &iterator);
+
+ void cleanDropVisualizer();
+ TQRect m_oldDropVisualizer;
+
+ ButtonDropSiteItem *m_selected;
+};
+
+class ButtonPositionWidget : public TQWidget
+{
+ Q_OBJECT
+
+ public:
+ ButtonPositionWidget(TQWidget *parent = 0, const char* name = 0);
+ ~ButtonPositionWidget();
+
+ /**
+ * set the factory, so the class e.g. knows which buttons are supported by the client
+ */
+ void setDecorationFactory(KDecorationFactory *factory);
+
+ TQString buttonsLeft() const;
+ TQString buttonsRight() const;
+ void setButtonsLeft(const TQString &buttons);
+ void setButtonsRight(const TQString &buttons);
+
+ signals:
+ void changed();
+
+ private:
+ void clearButtonList(const ButtonList& btns);
+ Button getButton(TQChar type, bool& success);
+
+ ButtonDropSite* m_dropSite;
+ ButtonSource *m_buttonSource;
+
+ KDecorationFactory *m_factory;
+ TQString m_supportedButtons;
+};
+
+
+#endif
+// vim: ts=4
+// kate: space-indent off; tab-width 4;