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103 lines
2.6 KiB
103 lines
2.6 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2002 Joseph Wenninger <jowenn@kde.org>
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KFE_RESIZEHANDLER_H
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#define KFE_RESIZEHANDLER_H
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#include <qdict.h>
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#include <qguardedptr.h>
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#include <qwidget.h>
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/**
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*@author Joseph Wenninger
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*/
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namespace KFormDesigner
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{
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class Form;
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class ResizeHandleSet;
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/**
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* a single widget which represents a dot for resizing a widget
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* @author Joseph Wenninger
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*/
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class KFORMEDITOR_EXPORT ResizeHandle : public QWidget
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{
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Q_OBJECT
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public:
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enum HandlePos { TopLeft = 0, TopCenter = 2, TopRight = 4, LeftCenter = 8, RightCenter = 16,
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BottomLeft = 32, BottomCenter = 64, BottomRight = 128 };
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ResizeHandle(ResizeHandleSet *set, HandlePos pos, bool editing=false);
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virtual ~ResizeHandle();
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void setEditingMode(bool editing);
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protected:
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virtual void mousePressEvent(QMouseEvent *ev);
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virtual void mouseMoveEvent(QMouseEvent *ev);
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virtual void mouseReleaseEvent(QMouseEvent *ev);
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virtual void paintEvent( QPaintEvent *ev );
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protected slots:
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bool eventFilter(QObject *obj, QEvent *ev);
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void updatePos();
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private:
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ResizeHandleSet *m_set;
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HandlePos m_pos;
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//QWidget *m_buddy;
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bool m_dragging;
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//bool m_editing;
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int m_x;
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int m_y;
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};
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/**
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* a set of resize handles (for resizing widgets)
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* @author Joseph Wenninger
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*/
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class KFORMEDITOR_EXPORT ResizeHandleSet: public QObject
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{
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Q_OBJECT
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public:
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typedef QDict<ResizeHandleSet> Dict;
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ResizeHandleSet(QWidget *modify, Form *form, bool editing = false);
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~ResizeHandleSet();
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void setWidget(QWidget *modify, bool editing = false);
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QWidget *widget() const { return m_widget; }
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void raise();
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void setEditingMode(bool editing);
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private:
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QGuardedPtr<ResizeHandle> m_handles[8];
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QGuardedPtr<QWidget> m_widget;
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QGuardedPtr<Form> m_form;
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bool m_editing;
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friend class ResizeHandle;
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};
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}
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#endif
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