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671 lines
18 KiB
671 lines
18 KiB
15 years ago
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//=============================================================================
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//
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// File : kvi_customtoolbar.cpp
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// Created on Sun 21 Nov 2004 05:28:57 by Szymon Stefanek
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//
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// This file is part of the KVIrc IRC Client distribution
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// Copyright (C) 2004 Szymon Stefanek <pragma at kvirc dot net>
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//
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// This program is FREE software. You can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your opinion) any later version.
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//
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// This program 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.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, write to the Free Software Foundation,
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// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//=============================================================================
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#define __KVIRC__
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#include "kvi_customtoolbar.h"
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#include "kvi_frame.h"
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#include "kvi_locale.h"
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#include "kvi_app.h"
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#include "kvi_actionmanager.h"
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#include "kvi_customtoolbardescriptor.h"
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#include <qcursor.h>
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#include "kvi_tal_popupmenu.h"
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#include <qlayout.h>
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#include <qpixmap.h>
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#include <qcursor.h>
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#include <qtoolbutton.h>
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#include <qpainter.h>
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#include <qstyle.h>
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#ifdef COMPILE_USE_QT4
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#include <qevent.h>
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#include <q3dragobject.h>
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#define QDragObject Q3DragObject
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#define QTextDrag Q3TextDrag
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#define QIconDrag Q3IconDrag
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#include <qstyleoption.h>
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#else
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#include <qobjectlist.h>
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#include <qdragobject.h>
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#endif
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KviCustomToolBarSeparator::KviCustomToolBarSeparator(KviCustomToolBar *pParent,const char * name)
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: QWidget(pParent,name)
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{
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m_pToolBar = pParent;
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setBackgroundMode(pParent->backgroundMode());
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setBackgroundOrigin(ParentOrigin);
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setSizePolicy(QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum));
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}
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QSize KviCustomToolBarSeparator::sizeHint() const
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{
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#ifdef COMPILE_USE_QT4
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QStyleOption opt;
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opt.initFrom(this);
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int extent = style()->pixelMetric(QStyle::PM_ToolBarSeparatorExtent,&opt,this);
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#else
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int extent = style().pixelMetric(QStyle::PM_DockWindowSeparatorExtent,this);
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#endif
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if(m_pToolBar->orientation() == Qt::Horizontal)return QSize(extent,0);
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else return QSize(0,extent);
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}
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void KviCustomToolBarSeparator::paintEvent(QPaintEvent *)
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{
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QPainter p(this);
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#ifdef COMPILE_USE_QT4
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QStyleOption opt;
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opt.initFrom(this);
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style()->drawPrimitive(QStyle::PE_Q3DockWindowSeparator,&opt,&p,this);
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#else
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QStyle::SFlags flags = QStyle::Style_Default;
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if(m_pToolBar->orientation() == Qt::Horizontal)flags |= QStyle::Style_Horizontal;
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style().drawPrimitive(QStyle::PE_DockWindowSeparator,&p,rect(),colorGroup(),flags);
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#endif
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}
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KviCustomToolBar::KviCustomToolBar(KviCustomToolBarDescriptor * d,const QString &label,QT_TOOLBARDOCK_TYPE dock,bool bNewLine,const char * nam)
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: KviToolBar(label,dock,bNewLine,nam)
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{
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m_pDescriptor = d;
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m_pMovedChild = 0;
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m_pDraggedChild = 0;
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m_pFilteredChildren = 0;
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setAcceptDrops(true);
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connect(KviActionManager::instance(),SIGNAL(beginCustomizeToolBars()),this,SLOT(beginCustomize()));
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connect(KviActionManager::instance(),SIGNAL(endCustomizeToolBars()),this,SLOT(endCustomize()));
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setMinimumSize(20,20);
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d->registerToolBar(this);
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if(KviActionManager::customizingToolBars())
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beginCustomize(); // because we will not get the signal
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}
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KviCustomToolBar::~KviCustomToolBar()
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{
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if(KviActionManager::customizingToolBars())
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syncDescriptor(); // because we will not get endCustomize()
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m_pDescriptor->unregisterToolBar(this);
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if(KviActionManager::customizingToolBars())
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{
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if(KviActionManager::currentToolBar() == this)
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KviActionManager::instance()->setCurrentToolBar(0);
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}
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if(m_pFilteredChildren)delete m_pFilteredChildren;
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}
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void KviCustomToolBar::paintEvent(QPaintEvent * e)
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{
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KviToolBar::paintEvent(e);
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if(KviActionManager::customizingToolBars() && (KviActionManager::currentToolBar() == this))
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{
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QPainter p(this);
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p.setPen(Qt::red);
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p.drawRect(0,0,width(),height());
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}
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}
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void KviCustomToolBar::filteredChildDestroyed()
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{
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if(!m_pFilteredChildren)return;
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const QObject * o = sender();
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m_pFilteredChildren->remove((void *)o);
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}
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void KviCustomToolBar::filterChild(QObject * o)
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{
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bool * b = new bool(((QWidget *)o)->isEnabled());
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if(m_pFilteredChildren)
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m_pFilteredChildren->insert(o,b);
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if(!*b)((QWidget *)o)->setEnabled(true);
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o->installEventFilter(this);
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connect(o,SIGNAL(destroyed()),this,SLOT(filteredChildDestroyed()));
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}
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void KviCustomToolBar::unfilterChild(QObject * o)
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{
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if(m_pFilteredChildren)
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{
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bool * b = m_pFilteredChildren->find(o);
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if(b)
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{
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if(!*b)((QWidget *)o)->setEnabled(false);
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o->removeEventFilter(this);
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disconnect(o,SIGNAL(destroyed()),this,SLOT(filteredChildDestroyed()));
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}
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}
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}
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void KviCustomToolBar::beginCustomize()
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{
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if(m_pFilteredChildren)delete m_pFilteredChildren;
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m_pFilteredChildren = new KviPointerHashTable<void *,bool>;
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m_pFilteredChildren->setAutoDelete(true);
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// filter the events for all the children
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#ifdef COMPILE_USE_QT4
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QList<QObject*> l = children();
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for(QList<QObject*>::Iterator it = l.begin();it != l.end();++it)
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{
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if((*it)->isWidgetType())
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filterChild(*it);
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}
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#else
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const QObjectList * l = children();
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QObjectListIterator it(*l);
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while(QObject * o = it.current())
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{
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if(o->isWidgetType())
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filterChild(o);
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++it;
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}
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#endif
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}
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void KviCustomToolBar::endCustomize()
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{
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// stop filtering events
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#ifdef COMPILE_USE_QT4
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QList<QObject*> l = children();
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for(QList<QObject*>::Iterator it = l.begin();it != l.end();++it)
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{
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if((*it)->isWidgetType())
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unfilterChild(*it);
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}
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#else
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const QObjectList * l = children();
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QObjectListIterator it(*l);
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while(QObject * o = it.current())
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{
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if(o->isWidgetType())
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unfilterChild(o);
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++it;
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}
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#endif
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// FIXME: We SHOULD MAKE SURE that the children are re-enabled...
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// this could be done by calling setEnabled(isEnabled()) on each action ?
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if(m_pFilteredChildren)
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{
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delete m_pFilteredChildren;
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m_pFilteredChildren = 0;
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}
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syncDescriptor();
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}
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void KviCustomToolBar::syncDescriptor()
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{
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// store the item order in the descriptor
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QBoxLayout * lay = boxLayout();
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QLayoutIterator iter = lay->iterator();
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QLayoutItem * i;
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m_pDescriptor->actions()->clear();
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while((i = iter.current()))
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{
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if(QWidget * w = i->widget())
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m_pDescriptor->actions()->append(new QString(w->name()));
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++iter;
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}
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}
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void KviCustomToolBar::childEvent(QChildEvent *e)
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{
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if(KviActionManager::customizingToolBars())
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{
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// this is useful for droppped and dragged-out children
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if(e->type() == QEvent::ChildInserted)
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{
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if(e->child()->isWidgetType())
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filterChild(e->child());
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goto done;
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}
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if(e->type() == QEvent::ChildRemoved)
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{
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if(e->child()->isWidgetType())
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unfilterChild(e->child());
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goto done;
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}
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}
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done:
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KviToolBar::childEvent(e);
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}
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void KviCustomToolBar::dragEnterEvent(QDragEnterEvent *e)
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{
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if(!KviActionManager::customizingToolBars())return;
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KviActionManager::instance()->setCurrentToolBar(this);
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QString text;
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if(QTextDrag::decode(e,text))
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{
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if(!text.isEmpty())
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{
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KviAction * a = KviActionManager::instance()->getAction(text);
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if(a)
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{
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e->accept(true);
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int idx = dropIndexAt(mapFromGlobal(QCursor::pos()),0,0);
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m_pDraggedChild = a->addToCustomToolBar(this);
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#ifdef COMPILE_USE_QT4
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QWidget * pWidgetToMove = widgetAt(idx);
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bool bDone = false;
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QAction * a;
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if(pWidgetToMove)
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{
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a = actionForWidget(pWidgetToMove);
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if(a)
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{
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bDone = true;
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a = insertWidget(a,m_pDraggedChild);
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}
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}
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if(!bDone)
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a = addWidget(m_pDraggedChild);
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a->setVisible(true);
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#else
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boxLayout()->remove(m_pDraggedChild); // in case it was already added
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boxLayout()->insertWidget(idx,m_pDraggedChild);
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#ifdef COMPILE_KDE_SUPPORT
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// bleah ://///
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insertWidget(-1,m_pDraggedChild->sizeHint().width(),m_pDraggedChild,idx);
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#endif
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#endif
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QEvent ev(QEvent::LayoutHint);
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QApplication::sendEvent(this,&ev);
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} else e->accept(false);
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} else e->accept(false);
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} else e->accept(false);
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}
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void KviCustomToolBar::dragMoveEvent(QDragMoveEvent *e)
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{
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if(!m_pDraggedChild)return;
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drag(m_pDraggedChild,mapFromGlobal(QCursor::pos()));
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}
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void KviCustomToolBar::dragLeaveEvent(QDragLeaveEvent *e)
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{
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if(m_pDraggedChild)
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{
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if(m_pFilteredChildren)
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m_pFilteredChildren->remove(m_pDraggedChild); // just to be sure
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delete m_pDraggedChild;
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m_pDraggedChild = 0;
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}
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}
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void KviCustomToolBar::dropEvent(QDropEvent *e)
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{
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if(!m_pDraggedChild)return;
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m_pDraggedChild = 0;
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e->accept();
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// nuthin :)
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}
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int KviCustomToolBar::dropIndexAt(const QPoint &pnt,QWidget * exclude,int * excludeIdx)
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{
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// find the widget at the current poisition
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// treating exclude as if it was going to be removed
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// find also the exclude index if needed
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#ifdef COMPILE_USE_QT4
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QLayout * l = layout();
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#else
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QBoxLayout * l = boxLayout();
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#endif
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QLayoutItem * i = 0;
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if(excludeIdx)*excludeIdx = -1;
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int idx = 0;
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if(!l)return 0;
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QLayoutIterator it = l->iterator();
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// find the children with minimum distance
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int iMinDistIdx = -1;
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QWidget * pMinDistW = 0;
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unsigned int uMinDist = 0xffffffff;
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int iExcludeIdx = -1;
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QPoint pntExclude;
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QWidget * w = 0;
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while((i = it.current()))
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{
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if((w = i->widget()))
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{
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if(uMinDist != 0)
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{
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int iRight = w->x() + w->width();
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int iBottom = w->y() + w->height();
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if((pnt.x() >= w->x()) && (pnt.y() >= w->y()) && (pnt.x() <= iRight) && (pnt.y() <= iBottom))
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{
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// inside the widget
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// distance 0
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pMinDistW = w;
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iMinDistIdx = idx;
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uMinDist = 0;
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} else {
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// outside the widget
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// compute the distance
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unsigned int uXDist = (pnt.x() < w->x()) ? (w->x() - pnt.x()) : (pnt.x() > iRight ? (pnt.x() - iRight) : 0);
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unsigned int uYDist = (pnt.y() < w->y()) ? (w->y() - pnt.y()) : (pnt.y() > iBottom ? (pnt.y() - iBottom) : 0);
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if((uXDist < 8192) && (uYDist < 8192))
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{
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// it is in reasonable rect
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unsigned int uDist = (uXDist * uXDist) + (uYDist * uYDist);
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if(uDist < uMinDist)
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{
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// min distance for now
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uMinDist = uDist;
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pMinDistW = w;
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iMinDistIdx = idx;
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}
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} // else the user has a really HUUUGE screen
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}
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} // else the minimum distance widget has already been found
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if(w == exclude)
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{
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iExcludeIdx = idx;
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pntExclude = w->pos();
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}
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}
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idx++;
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++it;
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}
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if(!pMinDistW)
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{
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// ops.. not found at all (empty toolbar or really far from any button)
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if(orientation() == Qt::Horizontal)
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{
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if(pnt.x() < (width() / 2))iMinDistIdx = 0; // insert at position 0
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else iMinDistIdx = idx;
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// else insert at the last position found
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} else {
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if(pnt.y() < (height() / 2))iMinDistIdx = 0; // insert at position 0
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else iMinDistIdx = idx;
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// else insert at the last position found
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}
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} else {
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// got it, check for the exclude idx
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if((iExcludeIdx == -1) || (iExcludeIdx != iMinDistIdx))
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{
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// would not put it over exclude idx
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// check if we have to stay on right or left of the widget found
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if(orientation() == Qt::Horizontal)
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{
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if(pnt.x() > (pMinDistW->x() + (pMinDistW->width() / 2)))
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iMinDistIdx++; // need to put it on the right
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} else {
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if(pnt.y() > (pMinDistW->y() + (pMinDistW->height() / 2)))
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iMinDistIdx++; // need to put it below
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}
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}
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// ok , check again (we might have moved exactly over exclude idx now!)
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if((iExcludeIdx != -1) && (iExcludeIdx != iMinDistIdx))
|
||
|
{
|
||
|
// got the exclude idx by the way and wouldn't put exactly over it
|
||
|
// check if exclude idx is "before" the current possible insert position
|
||
|
// if it is , then lower down the index by one
|
||
|
if(orientation() == Qt::Horizontal)
|
||
|
{
|
||
|
if(pnt.x() > pntExclude.x())
|
||
|
iMinDistIdx--; // removing exclude will move everything one step back
|
||
|
} else {
|
||
|
if(pnt.y() > pntExclude.y())
|
||
|
iMinDistIdx--; // removing exclude will move everything one step back
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(iMinDistIdx < 0)iMinDistIdx = 0;
|
||
|
if(excludeIdx)*excludeIdx = iExcludeIdx;
|
||
|
|
||
|
return iMinDistIdx;
|
||
|
|
||
|
}
|
||
|
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
QWidget * KviCustomToolBar::widgetAt(int index)
|
||
|
{
|
||
|
QLayout * l = layout();
|
||
|
if(!l)
|
||
|
return NULL;
|
||
|
QLayoutItem * it = l->itemAt(index);
|
||
|
if(!it)
|
||
|
return NULL;
|
||
|
return it->widget();
|
||
|
}
|
||
|
|
||
|
QAction * KviCustomToolBar::actionForWidget(QWidget * pWidget)
|
||
|
{
|
||
|
return actionAt(pWidget->x() + 1,pWidget->y() + 1);
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
|
||
|
void KviCustomToolBar::drag(QWidget * child,const QPoint &pnt)
|
||
|
{
|
||
|
int me = -1;
|
||
|
int idx = dropIndexAt(pnt,child,&me);
|
||
|
debug("DROP INDEX IS %d, ME IS %d",idx,me);
|
||
|
if(idx == me)
|
||
|
return; // would move over itself
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
QWidget * pWidgetToMove = widgetAt(idx > me ? idx-1 : idx);
|
||
|
debug("SEARCHING FOR WIDGET TO MOVE AT %d AND FOUND %x (ME=%x)",idx > me ? idx-1 : idx,pWidgetToMove,child);
|
||
|
if(pWidgetToMove == child)
|
||
|
return; // hmmm
|
||
|
bool bDone = false;
|
||
|
QAction * pMyOwnAction = actionForWidget(child);
|
||
|
if(!pMyOwnAction)
|
||
|
return;
|
||
|
QAction * a;
|
||
|
removeAction(pMyOwnAction);
|
||
|
if(pWidgetToMove)
|
||
|
{
|
||
|
a = actionForWidget(pWidgetToMove);
|
||
|
if(a)
|
||
|
{
|
||
|
debug("AND GOT ACTION FOR THAT WIDGET");
|
||
|
|
||
|
bDone = true;
|
||
|
a = insertWidget(a,child);
|
||
|
}
|
||
|
} else {
|
||
|
addAction(a);
|
||
|
}
|
||
|
if(!bDone)
|
||
|
a = addWidget(child);
|
||
|
a->setVisible(true);
|
||
|
#else
|
||
|
boxLayout()->remove(child);
|
||
|
boxLayout()->insertWidget(idx,child);
|
||
|
#ifdef COMPILE_KDE_SUPPORT
|
||
|
// bleah ://///
|
||
|
insertWidget(-1,child->width(),child,idx);
|
||
|
#endif
|
||
|
#endif
|
||
|
QEvent ev(QEvent::LayoutHint);
|
||
|
QApplication::sendEvent(this,&ev);
|
||
|
}
|
||
|
|
||
|
void KviCustomToolBar::mousePressEvent(QMouseEvent * e)
|
||
|
{
|
||
|
if(KviActionManager::customizingToolBars())
|
||
|
KviActionManager::instance()->setCurrentToolBar(this);
|
||
|
KviToolBar::mousePressEvent(e);
|
||
|
}
|
||
|
|
||
|
bool KviCustomToolBar::eventFilter(QObject *o,QEvent *e)
|
||
|
{
|
||
|
if(!KviActionManager::customizingToolBars())goto unhandled; // anything here is done when customizing only
|
||
|
if(e->type() == QEvent::Enter)
|
||
|
{
|
||
|
if(m_pMovedChild)return true; // kill it while moving other children
|
||
|
}
|
||
|
if(e->type() == QEvent::Leave)
|
||
|
{
|
||
|
if(m_pMovedChild)return true; // kill it while moving other children
|
||
|
}
|
||
|
if(e->type() == QEvent::MouseButtonPress)
|
||
|
{
|
||
|
KviActionManager::instance()->setCurrentToolBar(this);
|
||
|
QMouseEvent * ev = (QMouseEvent *)e;
|
||
|
if(ev->button() & Qt::LeftButton)
|
||
|
{
|
||
|
if(o->isWidgetType())
|
||
|
{
|
||
|
if(!(
|
||
|
o->inherits("KviTalPopupMenu") ||
|
||
|
o->inherits("QToolBarHandle") ||
|
||
|
o->inherits("QDockWindowHandle") ||
|
||
|
o->inherits("QDockWindowResizeHandle") ||
|
||
|
o->inherits("QToolBarExtensionWidget")
|
||
|
))
|
||
|
{
|
||
|
m_pMovedChild = (QWidget *)o;
|
||
|
// allow resizing of children
|
||
|
// FIXME: do it only if the child is really resizable
|
||
|
if(m_pMovedChild->width() > 20) // might be an applet
|
||
|
{
|
||
|
if(ev->pos().x() > (m_pMovedChild->width() - 4))
|
||
|
{
|
||
|
m_pMovedChild = 0;
|
||
|
goto unhandled; // let the applet handle the event it
|
||
|
}
|
||
|
}
|
||
|
g_pApp->setOverrideCursor(Qt::sizeAllCursor);
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
goto unhandled;
|
||
|
}
|
||
|
if(e->type() == QEvent::MouseButtonRelease)
|
||
|
{
|
||
|
if(m_pMovedChild)
|
||
|
{
|
||
|
g_pApp->restoreOverrideCursor();
|
||
|
m_pMovedChild = 0;
|
||
|
return true;
|
||
|
}
|
||
|
goto unhandled;
|
||
|
}
|
||
|
if(e->type() == QEvent::MouseMove)
|
||
|
{
|
||
|
if(m_pMovedChild)
|
||
|
{
|
||
|
QMouseEvent * ev = (QMouseEvent *)e;
|
||
|
|
||
|
QPoint pnt = mapFromGlobal(m_pMovedChild->mapToGlobal(ev->pos()));
|
||
|
if((pnt.y() < 0) || (pnt.y() > height()) || (pnt.x() < 0) || (pnt.x() > width()))
|
||
|
{
|
||
|
// drag out!
|
||
|
// FIXME: This is screwed up in Qt4.... :/
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
QDrag * d = new QDrag(this);
|
||
|
QMimeData * m = new QMimeData();
|
||
|
m->setText(m_pMovedChild->name());
|
||
|
d->setMimeData(m);
|
||
|
#else
|
||
|
QDragObject * d = new QTextDrag(m_pMovedChild->name(),this);
|
||
|
#endif
|
||
|
KviAction * act = KviActionManager::instance()->getAction(m_pMovedChild->name());
|
||
|
if(act)
|
||
|
{
|
||
|
QPixmap * pixie = act->bigIcon();
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
if(pixie)
|
||
|
{
|
||
|
d->setPixmap(*pixie);
|
||
|
d->setHotSpot(QPoint(3,3));
|
||
|
}
|
||
|
#else
|
||
|
if(pixie)d->setPixmap(*pixie,QPoint(3,3));
|
||
|
#endif
|
||
|
}
|
||
|
//d->setPixmap(QPixmap::grabWidget(m_pMovedChild),QPoint(m_pMovedChild->width() / 2,m_pMovedChild->height() / 2));
|
||
|
// throw it somewhere else for now
|
||
|
if(m_pFilteredChildren)
|
||
|
unfilterChild(m_pMovedChild);
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
QAction * pActionForMovedChild = actionForWidget(m_pMovedChild);
|
||
|
if(pActionForMovedChild)
|
||
|
pActionForMovedChild->setVisible(false);
|
||
|
m_pMovedChild->hide();
|
||
|
#else
|
||
|
m_pMovedChild->hide();
|
||
|
m_pMovedChild->reparent(g_pFrame,QPoint(-1000,-1000),false);
|
||
|
#endif
|
||
|
QEvent ev(QEvent::LayoutHint);
|
||
|
QApplication::sendEvent(this,&ev);
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
if(!d->exec(Qt::MoveAction) != Qt::MoveAction)
|
||
|
#else
|
||
|
if(!d->dragMove())
|
||
|
#endif
|
||
|
{
|
||
|
// the user has probably failed to remove the action from the toolbar
|
||
|
// flash the trashcan in the customize toolbars dialog
|
||
|
KviActionManager::instance()->emitRemoveActionsHintRequest();
|
||
|
// will filter it as ChildInserted
|
||
|
#ifndef COMPILE_USE_QT4
|
||
|
m_pMovedChild->reparent(this,QPoint(0,0),false);
|
||
|
#endif
|
||
|
#ifdef COMPILE_USE_QT4
|
||
|
QAction * pActionForMovedChild = actionForWidget(m_pMovedChild);
|
||
|
if(pActionForMovedChild)
|
||
|
pActionForMovedChild->setVisible(false);
|
||
|
#else
|
||
|
boxLayout()->insertWidget(0,m_pMovedChild);
|
||
|
m_pMovedChild->show();
|
||
|
#ifdef COMPILE_KDE_SUPPORT
|
||
|
// bleah ://///
|
||
|
insertWidget(-1,m_pMovedChild->width(),m_pMovedChild,0);
|
||
|
#endif
|
||
|
#endif
|
||
|
QEvent ev(QEvent::LayoutHint);
|
||
|
QApplication::sendEvent(this,&ev);
|
||
|
} else {
|
||
|
QApplication::sendPostedEvents(m_pMovedChild,0);
|
||
|
m_pMovedChild->deleteLater();
|
||
|
m_pMovedChild = 0;
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
drag(m_pMovedChild,pnt);
|
||
|
return true;
|
||
|
}
|
||
|
goto unhandled;
|
||
|
}
|
||
|
unhandled:
|
||
|
return KviToolBar::eventFilter(o,e);
|
||
|
}
|