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Diffstat (limited to 'kwin/kcmkwin/kwindecoration/buttons.h')
| -rw-r--r-- | kwin/kcmkwin/kwindecoration/buttons.h | 227 |
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; |