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114 lines
3.7 KiB
114 lines
3.7 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2007 Jaroslaw Staniek <js@iidea.pl>
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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 as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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 FORMEDITORUTILS_H
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#define FORMEDITORUTILS_H
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#include <qptrlist.h>
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#include <qtabbar.h>
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#include <qtabwidget.h>
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//! @todo replace QTabWidget by KTabWidget after the bug with & is fixed:
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#define TabWidgetBase QTabWidget
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//#define USE_KTabWidget //todo: uncomment
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namespace KFormDesigner {
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class Form;
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/*! \return parent object of \a o that inherits \a className or NULL if no such parent
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If the parent is found, \a prevPrev is set to a child of child of the parent,
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what for TabWidget means the page widget. */
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template<class type>
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type* findParent(QObject* o, const char* className, QObject* &prevPrev)
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{
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if (!o || !className || className[0]=='\0')
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return 0;
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QObject *prev = o;
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while ( ((o=o->parent())) && !o->inherits(className) ) {
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prevPrev = prev;
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prev = o;
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}
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return static_cast<type*>(o);
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}
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//! A tab widget providing information about height of the tab bar.
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class KFORMEDITOR_EXPORT TabWidget : public TabWidgetBase
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{
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Q_OBJECT
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public:
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TabWidget(QWidget *parent, const char *name)
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: TabWidgetBase(parent, name) {}
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virtual ~TabWidget() {}
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int tabBarHeight() const { return tabBar()->height(); }
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};
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//! @short A list of widget pointers.
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typedef QPtrList<QWidget> WidgetList;
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//! @short An iterator for WidgetList.
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typedef QPtrListIterator<QWidget> WidgetListIterator;
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//! @short A helper for sorting widgets horizontally
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class HorWidgetList : public WidgetList
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{
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public:
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HorWidgetList(QWidget *topLevelWidget);
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virtual ~HorWidgetList();
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protected:
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virtual int compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2);
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QWidget *m_topLevelWidget;
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};
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//! @short A helper for sorting widgets vertically
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class VerWidgetList : public WidgetList
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{
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public:
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VerWidgetList(QWidget *topLevelWidget);
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virtual ~VerWidgetList();
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protected:
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virtual int compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2);
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QWidget *m_topLevelWidget;
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};
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/*! This function is used to remove all the child widgets from a list, and
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keep only the "toplevel" ones. */
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KFORMEDITOR_EXPORT void removeChildrenFromList(WidgetList &list);
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/*! This helper function install an event filter on \a object and all of its
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children, directed to \a container.
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This is necessary to filter events for composed widgets. */
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KFORMEDITOR_EXPORT void installRecursiveEventFilter(QObject *object, QObject *container);
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/*! This helper function removes an event filter installed before
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on \a object and all of its children.
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This is necessary to filter events for composed widgets. */
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KFORMEDITOR_EXPORT void removeRecursiveEventFilter(QObject *object, QObject *container);
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KFORMEDITOR_EXPORT void setRecursiveCursor(QWidget *w, Form *form);
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/*! \return the size of \a w children. This can be used eg to get widget's sizeHint. */
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KFORMEDITOR_EXPORT QSize getSizeFromChildren(QWidget *widget, const char *inheritClass="QWidget");
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}
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#endif
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