Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 227 insertions, 0 deletions

diff --git a/kwin/kcmkwin/kwindecoration/buttons.h b/kwin/kcmkwin/kwindecoration/buttons.h
new file mode 100644
index 000000000..a3db6266e
--- /dev/null
+++ b/kwin/kcmkwin/kwindecoration/buttons.h
@@ -0,0 +1,227 @@
+/*
+	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;