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/*
This is the new kwindecoration kcontrol module
Copyright (c) 2004, Sandro Giessl <sandro@giessl.com>
Copyright (c) 2001
Karol Szwed <gallium@kde.org>
http://gallium.n3.net/
Supports new kwin configuration plugins, and titlebar button position
modification via dnd interface.
Based on original "kwintheme" (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 <qbitmap.h>
#include <qevent.h>
#include <qdragobject.h>
#include <qlistbox.h>
#include <klistview.h>
class KDecorationFactory;
/**
* This class holds the button data.
*/
class Button
{
public:
Button();
Button(const QString& name, const QBitmap& icon, QChar type, bool duplicate, bool supported);
virtual ~Button();
QString name;
QBitmap icon;
QChar type;
bool duplicate;
bool supported;
};
class ButtonDrag : public QStoredDrag
{
public:
ButtonDrag( Button btn, QWidget* parent, const char* name=0 );
~ButtonDrag() {};
static bool canDecode( QDropEvent* e );
static bool decode( QDropEvent* e, Button& btn );
};
/**
* This is plugged into ButtonDropSite
*/
class ButtonDropSiteItem
{
public:
ButtonDropSiteItem(const Button& btn);
~ButtonDropSiteItem();
Button button();
QRect rect;
int width();
int height();
void draw(QPainter *p, const QColorGroup& cg, QRect rect);
private:
Button m_button;
};
/**
* This is plugged into ButtonSource
*/
class ButtonSourceItem : public QListViewItem
{
public:
ButtonSourceItem(QListView * parent, const Button& btn);
virtual ~ButtonSourceItem();
void paintCell(QPainter *p, const QColorGroup &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(QWidget *parent = 0, const char* name = 0);
virtual ~ButtonSource();
QSize sizeHint() const;
void hideAllButtons();
void showAllButtons();
public slots:
void hideButton(QChar btn);
void showButton(QChar btn);
protected:
bool acceptDrag(QDropEvent* e) const;
virtual QDragObject *dragObject();
};
typedef QValueList<ButtonDropSiteItem*> ButtonList;
/**
* This class renders and handles the demo titlebar dropsite
*/
class ButtonDropSite: public QFrame
{
Q_OBJECT
public:
ButtonDropSite( QWidget* 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(QChar btn);
void buttonRemoved(QChar 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(QResizeEvent*);
void dragEnterEvent( QDragEnterEvent* e );
void dragMoveEvent( QDragMoveEvent* e );
void dragLeaveEvent( QDragLeaveEvent* e );
void dropEvent( QDropEvent* e );
void mousePressEvent( QMouseEvent* e ); ///< Starts dragging a button...
void drawContents( QPainter* p );
ButtonDropSiteItem *buttonAt(QPoint p);
bool removeButton(ButtonDropSiteItem *item);
int calcButtonListWidth(const ButtonList& buttons); ///< Computes the total space the buttons will take in the titlebar
void drawButtonList(QPainter *p, const ButtonList& buttons, int offset);
QRect leftDropArea();
QRect 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();
QRect m_oldDropVisualizer;
ButtonDropSiteItem *m_selected;
};
class ButtonPositionWidget : public QWidget
{
Q_OBJECT
public:
ButtonPositionWidget(QWidget *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);
QString buttonsLeft() const;
QString buttonsRight() const;
void setButtonsLeft(const QString &buttons);
void setButtonsRight(const QString &buttons);
signals:
void changed();
private:
void clearButtonList(const ButtonList& btns);
Button getButton(QChar type, bool& success);
ButtonDropSite* m_dropSite;
ButtonSource *m_buttonSource;
KDecorationFactory *m_factory;
QString m_supportedButtons;
};
#endif
// vim: ts=4
// kate: space-indent off; tab-width 4;
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