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kvirc/src/kvirc/ui/kvi_customtoolbar.cpp

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//=============================================================================
//
// File : kvi_customtoolbar.cpp
// Created on Sun 21 Nov 2004 05:28:57 by Szymon Stefanek
//
// This file is part of the KVIrc IRC Client distribution
// Copyright (C) 2004 Szymon Stefanek <pragma at kvirc dot net>
//
// 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 opinion) 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.
//
//=============================================================================
#define __KVIRC__
#include "kvi_customtoolbar.h"
#include "kvi_frame.h"
#include "kvi_locale.h"
#include "kvi_app.h"
#include "kvi_actionmanager.h"
#include "kvi_customtoolbardescriptor.h"
#include <tqcursor.h>
#include "kvi_tal_popupmenu.h"
#include <tqlayout.h>
#include <tqpixmap.h>
#include <tqcursor.h>
#include <tqtoolbutton.h>
#include <tqpainter.h>
#include <tqstyle.h>
#ifdef COMPILE_USE_QT4
#include <tqevent.h>
#include <tq3dragobject.h>
#define TQDragObject Q3DragObject
#define TQTextDrag Q3TextDrag
#define TQIconDrag Q3IconDrag
#include <tqstyleoption.h>
#else
#include <tqobjectlist.h>
#include <tqdragobject.h>
#endif
KviCustomToolBarSeparator::KviCustomToolBarSeparator(KviCustomToolBar *pParent,const char * name)
: TQWidget(pParent,name)
{
m_pToolBar = pParent;
setBackgroundMode(pParent->backgroundMode());
setBackgroundOrigin(ParentOrigin);
setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum,TQSizePolicy::Minimum));
}
TQSize KviCustomToolBarSeparator::sizeHint() const
{
#ifdef COMPILE_USE_QT4
TQStyleOption opt;
opt.initFrom(this);
int extent = tqstyle()->pixelMetric(TQStyle::PM_ToolBarSeparatorExtent,&opt,this);
#else
int extent = tqstyle().pixelMetric(TQStyle::PM_DockWindowSeparatorExtent,this);
#endif
if(m_pToolBar->orientation() == Qt::Horizontal)return TQSize(extent,0);
else return TQSize(0,extent);
}
void KviCustomToolBarSeparator::paintEvent(TQPaintEvent *)
{
TQPainter p(this);
#ifdef COMPILE_USE_QT4
TQStyleOption opt;
opt.initFrom(this);
tqstyle()->drawPrimitive(TQStyle::PE_Q3DockWindowSeparator,&opt,&p,this);
#else
TQStyle::SFlags flags = TQStyle::Style_Default;
if(m_pToolBar->orientation() == Qt::Horizontal)flags |= TQStyle::Style_Horizontal;
tqstyle().tqdrawPrimitive(TQStyle::PE_DockWindowSeparator,&p,rect(),colorGroup(),flags);
#endif
}
KviCustomToolBar::KviCustomToolBar(KviCustomToolBarDescriptor * d,const TQString &label,TQT_TOOLBARDOCK_TYPE dock,bool bNewLine,const char * nam)
: KviToolBar(label,dock,bNewLine,nam)
{
m_pDescriptor = d;
m_pMovedChild = 0;
m_pDraggedChild = 0;
m_pFilteredChildren = 0;
setAcceptDrops(true);
connect(KviActionManager::instance(),TQT_SIGNAL(beginCustomizeToolBars()),this,TQT_SLOT(beginCustomize()));
connect(KviActionManager::instance(),TQT_SIGNAL(endCustomizeToolBars()),this,TQT_SLOT(endCustomize()));
setMinimumSize(20,20);
d->registerToolBar(this);
if(KviActionManager::customizingToolBars())
beginCustomize(); // because we will not get the signal
}
KviCustomToolBar::~KviCustomToolBar()
{
if(KviActionManager::customizingToolBars())
syncDescriptor(); // because we will not get endCustomize()
m_pDescriptor->unregisterToolBar(this);
if(KviActionManager::customizingToolBars())
{
if(KviActionManager::currentToolBar() == this)
KviActionManager::instance()->setCurrentToolBar(0);
}
if(m_pFilteredChildren)delete m_pFilteredChildren;
}
void KviCustomToolBar::paintEvent(TQPaintEvent * e)
{
KviToolBar::paintEvent(e);
if(KviActionManager::customizingToolBars() && (KviActionManager::currentToolBar() == this))
{
TQPainter p(this);
p.setPen(TQt::red);
p.drawRect(0,0,width(),height());
}
}
void KviCustomToolBar::filteredChildDestroyed()
{
if(!m_pFilteredChildren)return;
const TQObject * o = TQT_TQOBJECT(const_cast<TQT_BASE_OBJECT_NAME*>(sender()));
m_pFilteredChildren->remove((void *)o);
}
void KviCustomToolBar::filterChild(TQObject * o)
{
bool * b = new bool(((TQWidget *)o)->isEnabled());
if(m_pFilteredChildren)
m_pFilteredChildren->insert(o,b);
if(!*b)((TQWidget *)o)->setEnabled(true);
o->installEventFilter(this);
connect(o,TQT_SIGNAL(destroyed()),this,TQT_SLOT(filteredChildDestroyed()));
}
void KviCustomToolBar::unfilterChild(TQObject * o)
{
if(m_pFilteredChildren)
{
bool * b = m_pFilteredChildren->find(o);
if(b)
{
if(!*b)((TQWidget *)o)->setEnabled(false);
o->removeEventFilter(this);
disconnect(o,TQT_SIGNAL(destroyed()),this,TQT_SLOT(filteredChildDestroyed()));
}
}
}
void KviCustomToolBar::beginCustomize()
{
if(m_pFilteredChildren)delete m_pFilteredChildren;
m_pFilteredChildren = new KviPointerHashTable<void *,bool>;
m_pFilteredChildren->setAutoDelete(true);
// filter the events for all the tqchildren
#ifdef COMPILE_USE_QT4
TQList<TQObject*> l = tqchildren();
for(TQList<TQObject*>::Iterator it = l.begin();it != l.end();++it)
{
if((*it)->isWidgetType())
filterChild(*it);
}
#else
const TQObjectList l = childrenListObject();
TQObjectListIterator it(l);
while(TQObject * o = it.current())
{
if(o->isWidgetType())
filterChild(o);
++it;
}
#endif
}
void KviCustomToolBar::endCustomize()
{
// stop filtering events
#ifdef COMPILE_USE_QT4
TQList<TQObject*> l = tqchildren();
for(TQList<TQObject*>::Iterator it = l.begin();it != l.end();++it)
{
if((*it)->isWidgetType())
unfilterChild(*it);
}
#else
const TQObjectList l = childrenListObject();
TQObjectListIterator it(l);
while(TQObject * o = it.current())
{
if(o->isWidgetType())
unfilterChild(o);
++it;
}
#endif
// FIXME: We SHOULD MAKE SURE that the tqchildren are re-enabled...
// this could be done by calling setEnabled(isEnabled()) on each action ?
if(m_pFilteredChildren)
{
delete m_pFilteredChildren;
m_pFilteredChildren = 0;
}
syncDescriptor();
}
void KviCustomToolBar::syncDescriptor()
{
// store the item order in the descriptor
TQBoxLayout * lay = boxLayout();
TQLayoutIterator iter = lay->iterator();
TQLayoutItem * i;
m_pDescriptor->actions()->clear();
while((i = iter.current()))
{
if(TQWidget * w = i->widget())
m_pDescriptor->actions()->append(new TQString(w->name()));
++iter;
}
}
void KviCustomToolBar::childEvent(TQChildEvent *e)
{
if(KviActionManager::customizingToolBars())
{
// this is useful for droppped and dragged-out tqchildren
if(e->type() == TQEvent::ChildInserted)
{
if(e->child()->isWidgetType())
filterChild(TQT_TQOBJECT(e->child()));
goto done;
}
if(e->type() == TQEvent::ChildRemoved)
{
if(e->child()->isWidgetType())
unfilterChild(TQT_TQOBJECT(e->child()));
goto done;
}
}
done:
KviToolBar::childEvent(e);
}
void KviCustomToolBar::dragEnterEvent(TQDragEnterEvent *e)
{
if(!KviActionManager::customizingToolBars())return;
KviActionManager::instance()->setCurrentToolBar(this);
TQString text;
if(TQTextDrag::decode(e,text))
{
if(!text.isEmpty())
{
KviAction * a = KviActionManager::instance()->getAction(text);
if(a)
{
e->accept(true);
int idx = dropIndexAt(mapFromGlobal(TQCursor::pos()),0,0);
m_pDraggedChild = a->addToCustomToolBar(this);
#ifdef COMPILE_USE_QT4
TQWidget * pWidgetToMove = widgetAt(idx);
bool bDone = false;
TQAction * a;
if(pWidgetToMove)
{
a = actionForWidget(pWidgetToMove);
if(a)
{
bDone = true;
a = insertWidget(a,m_pDraggedChild);
}
}
if(!bDone)
a = addWidget(m_pDraggedChild);
a->setVisible(true);
#else
boxLayout()->remove(m_pDraggedChild); // in case it was already added
boxLayout()->insertWidget(idx,m_pDraggedChild);
#ifdef COMPILE_KDE_SUPPORT
// bleah ://///
insertWidget(-1,m_pDraggedChild->sizeHint().width(),m_pDraggedChild,idx);
#endif
#endif
TQEvent ev(TQEvent::LayoutHint);
TQApplication::sendEvent(this,&ev);
} else e->accept(false);
} else e->accept(false);
} else e->accept(false);
}
void KviCustomToolBar::dragMoveEvent(TQDragMoveEvent *e)
{
if(!m_pDraggedChild)return;
drag(m_pDraggedChild,mapFromGlobal(TQCursor::pos()));
}
void KviCustomToolBar::dragLeaveEvent(TQDragLeaveEvent *e)
{
if(m_pDraggedChild)
{
if(m_pFilteredChildren)
m_pFilteredChildren->remove(m_pDraggedChild); // just to be sure
delete m_pDraggedChild;
m_pDraggedChild = 0;
}
}
void KviCustomToolBar::dropEvent(TQDropEvent *e)
{
if(!m_pDraggedChild)return;
m_pDraggedChild = 0;
e->accept();
// nuthin :)
}
int KviCustomToolBar::dropIndexAt(const TQPoint &pnt,TQWidget * exclude,int * excludeIdx)
{
// find the widget at the current poisition
// treating exclude as if it was going to be removed
// find also the exclude index if needed
#ifdef COMPILE_USE_QT4
TQLayout * l = tqlayout();
#else
TQBoxLayout * l = boxLayout();
#endif
TQLayoutItem * i = 0;
if(excludeIdx)*excludeIdx = -1;
int idx = 0;
if(!l)return 0;
TQLayoutIterator it = l->iterator();
// find the tqchildren with minimum distance
int iMinDistIdx = -1;
TQWidget * pMinDistW = 0;
unsigned int uMinDist = 0xffffffff;
int iExcludeIdx = -1;
TQPoint pntExclude;
TQWidget * w = 0;
while((i = it.current()))
{
if((w = i->widget()))
{
if(uMinDist != 0)
{
int iRight = w->x() + w->width();
int iBottom = w->y() + w->height();
if((pnt.x() >= w->x()) && (pnt.y() >= w->y()) && (pnt.x() <= iRight) && (pnt.y() <= iBottom))
{
// inside the widget
// distance 0
pMinDistW = w;
iMinDistIdx = idx;
uMinDist = 0;
} else {
// outside the widget
// compute the distance
unsigned int uXDist = (pnt.x() < w->x()) ? (w->x() - pnt.x()) : (pnt.x() > iRight ? (pnt.x() - iRight) : 0);
unsigned int uYDist = (pnt.y() < w->y()) ? (w->y() - pnt.y()) : (pnt.y() > iBottom ? (pnt.y() - iBottom) : 0);
if((uXDist < 8192) && (uYDist < 8192))
{
// it is in reasonable rect
unsigned int uDist = (uXDist * uXDist) + (uYDist * uYDist);
if(uDist < uMinDist)
{
// min distance for now
uMinDist = uDist;
pMinDistW = w;
iMinDistIdx = idx;
}
} // else the user has a really HUUUGE screen
}
} // else the minimum distance widget has already been found
if(w == exclude)
{
iExcludeIdx = idx;
pntExclude = w->pos();
}
}
idx++;
++it;
}
if(!pMinDistW)
{
// ops.. not found at all (empty toolbar or really far from any button)
if(orientation() == Qt::Horizontal)
{
if(pnt.x() < (width() / 2))iMinDistIdx = 0; // insert at position 0
else iMinDistIdx = idx;
// else insert at the last position found
} else {
if(pnt.y() < (height() / 2))iMinDistIdx = 0; // insert at position 0
else iMinDistIdx = idx;
// else insert at the last position found
}
} else {
// got it, check for the exclude idx
if((iExcludeIdx == -1) || (iExcludeIdx != iMinDistIdx))
{
// would not put it over exclude idx
// check if we have to stay on right or left of the widget found
if(orientation() == Qt::Horizontal)
{
if(pnt.x() > (pMinDistW->x() + (pMinDistW->width() / 2)))
iMinDistIdx++; // need to put it on the right
} else {
if(pnt.y() > (pMinDistW->y() + (pMinDistW->height() / 2)))
iMinDistIdx++; // need to put it below
}
}
// ok , check again (we might have moved exactly over exclude idx now!)
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
TQWidget * KviCustomToolBar::widgetAt(int index)
{
TQLayout * l = tqlayout();
if(!l)
return NULL;
TQLayoutItem * it = l->itemAt(index);
if(!it)
return NULL;
return it->widget();
}
TQAction * KviCustomToolBar::actionForWidget(TQWidget * pWidget)
{
return actionAt(pWidget->x() + 1,pWidget->y() + 1);
}
#endif
void KviCustomToolBar::drag(TQWidget * child,const TQPoint &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
TQWidget * 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;
TQAction * pMyOwnAction = actionForWidget(child);
if(!pMyOwnAction)
return;
TQAction * 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
TQEvent ev(TQEvent::LayoutHint);
TQApplication::sendEvent(this,&ev);
}
void KviCustomToolBar::mousePressEvent(TQMouseEvent * e)
{
if(KviActionManager::customizingToolBars())
KviActionManager::instance()->setCurrentToolBar(this);
KviToolBar::mousePressEvent(e);
}
bool KviCustomToolBar::eventFilter(TQObject *o,TQEvent *e)
{
if(!KviActionManager::customizingToolBars())goto unhandled; // anything here is done when customizing only
if(e->type() == TQEvent::Enter)
{
if(m_pMovedChild)return true; // kill it while moving other tqchildren
}
if(e->type() == TQEvent::Leave)
{
if(m_pMovedChild)return true; // kill it while moving other tqchildren
}
if(e->type() == TQEvent::MouseButtonPress)
{
KviActionManager::instance()->setCurrentToolBar(this);
TQMouseEvent * ev = (TQMouseEvent *)e;
if(ev->button() & Qt::LeftButton)
{
if(o->isWidgetType())
{
if(!(
o->inherits("KviTalPopupMenu") ||
o->inherits("TQToolBarHandle") ||
o->inherits(TQDOCKWINDOWHANDLE_OBJECT_NAME_STRING) ||
o->inherits("TQDockWindowResizeHandle") ||
o->inherits("TQToolBarExtensionWidget")
))
{
m_pMovedChild = (TQWidget *)o;
// allow resizing of tqchildren
// 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(TQt::sizeAllCursor);
return true;
}
}
}
goto unhandled;
}
if(e->type() == TQEvent::MouseButtonRelease)
{
if(m_pMovedChild)
{
g_pApp->restoreOverrideCursor();
m_pMovedChild = 0;
return true;
}
goto unhandled;
}
if(e->type() == TQEvent::MouseMove)
{
if(m_pMovedChild)
{
TQMouseEvent * ev = (TQMouseEvent *)e;
TQPoint 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 TQt4.... :/
#ifdef COMPILE_USE_QT4
TQDrag * d = new TQDrag(this);
TQMimeData * m = new TQMimeData();
m->setText(m_pMovedChild->name());
d->setMimeData(m);
#else
TQDragObject * d = new TQTextDrag(m_pMovedChild->name(),this);
#endif
KviAction * act = KviActionManager::instance()->getAction(m_pMovedChild->name());
if(act)
{
TQPixmap * pixie = act->bigIcon();
#ifdef COMPILE_USE_QT4
if(pixie)
{
d->setPixmap(*pixie);
d->setHotSpot(TQPoint(3,3));
}
#else
if(pixie)d->setPixmap(*pixie,TQPoint(3,3));
#endif
}
//d->setPixmap(TQPixmap::grabWidget(m_pMovedChild),TQPoint(m_pMovedChild->width() / 2,m_pMovedChild->height() / 2));
// throw it somewhere else for now
if(m_pFilteredChildren)
unfilterChild(TQT_TQOBJECT(m_pMovedChild));
#ifdef COMPILE_USE_QT4
TQAction * pActionForMovedChild = actionForWidget(m_pMovedChild);
if(pActionForMovedChild)
pActionForMovedChild->setVisible(false);
m_pMovedChild->hide();
#else
m_pMovedChild->hide();
m_pMovedChild->reparent(g_pFrame,TQPoint(-1000,-1000),false);
#endif
TQEvent ev(TQEvent::LayoutHint);
TQApplication::sendEvent(this,&ev);
#ifdef COMPILE_USE_QT4
if(!d->exec(TQt::MoveAction) != TQt::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,TQPoint(0,0),false);
#endif
#ifdef COMPILE_USE_QT4
TQAction * 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
TQEvent ev(TQEvent::LayoutHint);
TQApplication::sendEvent(this,&ev);
} else {
TQApplication::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);
}
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