formeditor/utils.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2007 Jaroslaw Staniek <js@iidea.pl>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include <tqcursor.h>
#include <tqobjectlist.h>
#include <tqtabwidget.h>
#include <tqtabbar.h>
 
#include <kdebug.h>
#include <kexiutils/utils.h>
 
#include "form.h"
#include "objecttree.h"
#include "utils.h"
 
using namespace KFormDesigner;
 
void
KFormDesigner::removeChildrenFromList(WidgetList &list)
{
    for(WidgetListIterator it(list); it.current() != 0; ++it)  {
        TQWidget *w = it.current();
 
        // If any widget in the list is a child of this widget, we remove it from the list
        for(WidgetListIterator it2(list); it2.current() != 0; ++it2) {
            TQWidget *widg = it2.current();
            if((w != widg) && (w->child(widg->name())))
            {
                kdDebug() << "Removing the widget " << widg->name() << "which is a child of " << w->name() << endl;
                list.remove(widg);
            }
        }
    }
}
 
void
KFormDesigner::installRecursiveEventFilter(TQObject *object, TQObject *container)
{
    if(!object || !container|| !object->isWidgetType())
        return;
 
    kdDebug() << "Installing event filter on widget: " << object->name() << " directed to " << container->name() << endl;
    object->installEventFilter(container);
    if(((TQWidget*)object)->ownCursor())
        ((TQWidget*)object)->setCursor(TQCursor(TQt::ArrowCursor));
 
    TQObjectList list = object->childrenListObject();
 
    if(list.isEmpty())
        return;
 
    for(TQObject *obj = list.first(); obj; obj = list.next())
        installRecursiveEventFilter(obj, container);
}
 
void
KFormDesigner::removeRecursiveEventFilter(TQObject *object, TQObject *container)
{
    object->removeEventFilter(container);
    if(!object->isWidgetType())
        return;
    TQObjectList list = object->childrenListObject();
    if(list.isEmpty())
        return;
 
    for(TQObject *obj = list.first(); obj; obj = list.next())
        removeRecursiveEventFilter(obj, container);
}
 
void
KFormDesigner::setRecursiveCursor(TQWidget *w, Form *form)
{
    ObjectTreeItem *tree = form->objectTree()->lookup(w->name());
    if(tree && ((tree->modifiedProperties()->contains("cursor")) || !tree->children()->isEmpty())
        && !w->inherits("TQLineEdit") && !w->inherits("TQTextEdit")
        ) //fix weird behaviour
        return; // if the user has set a cursor for this widget or this is a container, don't change it
 
    if(w->ownCursor())
        w->setCursor(TQt::ArrowCursor);
 
    TQObjectList *l = w->queryList( "TQWidget" );
    for(TQObject *o = l->first(); o; o = l->next())
        ((TQWidget*)o)->setCursor(TQt::ArrowCursor);
    delete l;
}
 
TQSize
KFormDesigner::getSizeFromChildren(TQWidget *w, const char *inheritClass)
{
    int tmpw = 0, tmph = 0;
    TQObjectList *list = w->queryList(inheritClass, 0, false, false);
    for(TQObject *o = list->first(); o; o = list->next()) {
        TQRect  r = ((TQWidget*)o)->geometry();
        tmpw = TQMAX(tmpw, r.right());
        tmph = TQMAX(tmph, r.bottom());
    }
 
    delete list;
    return TQSize(tmpw, tmph) + TQSize(10, 10);
}
 
// -----------------
 
HorWidgetList::HorWidgetList(TQWidget *topLevelWidget)
    : WidgetList()
    , m_topLevelWidget(topLevelWidget)
{
}
 
HorWidgetList::~HorWidgetList()
{
}
 
int HorWidgetList::compareItems(TQPtrCollection::Item item1, TQPtrCollection::Item item2)
{
    TQWidget *w1 = static_cast<TQWidget*>(item1);
    TQWidget *w2 = static_cast<TQWidget*>(item2);
    return w1->mapTo(m_topLevelWidget, TQPoint(0,0)).x() - w2->mapTo(m_topLevelWidget, TQPoint(0,0)).x();
}
 
// -----------------
 
VerWidgetList::VerWidgetList(TQWidget *topLevelWidget)
    : WidgetList()
    , m_topLevelWidget(topLevelWidget)
{
}
 
VerWidgetList::~VerWidgetList()
{
}
 
int VerWidgetList::compareItems(TQPtrCollection::Item item1, TQPtrCollection::Item item2)
{
    TQWidget *w1 = static_cast<TQWidget*>(item1);
    TQWidget *w2 = static_cast<TQWidget*>(item2);
 
    int y1, y2;
    TQObject *page1 = 0;
    TabWidget *tw1 = KFormDesigner::findParent<KFormDesigner::TabWidget>(w1, "KFormDesigner::TabWidget", page1);
    if (tw1) // special case
        y1 = w1->mapTo(m_topLevelWidget, TQPoint(0,0)).y() + tw1->tabBarHeight() -2 -2;
    else
        y1 = w1->mapTo(m_topLevelWidget, TQPoint(0,0)).y();
 
    TQObject *page2 = 0;
    TabWidget *tw2 = KFormDesigner::findParent<KFormDesigner::TabWidget>(w2, "KFormDesigner::TabWidget", page2);
    if (tw1 && tw2 && tw1 == tw2 && page1 != page2) {
        // this sorts widgets by tabs there're put in
        return tw1->indexOf(static_cast<TQWidget*>(page1)) - tw2->indexOf(static_cast<TQWidget*>(page2));
    }
 
    if (tw2) // special case
        y2 = w2->mapTo(m_topLevelWidget, TQPoint(0,0)).y() + tw2->tabBarHeight() -2 -2;
    else
        y2 = w2->mapTo(m_topLevelWidget, TQPoint(0,0)).y();
    
    kdDebug() << w1->name() << ": " << y1 << " " 
        << " | " << w2->name() << ": " << y2 << endl;
 
 
    //kdDebug() << w1->name() << ": " << w1->mapTo(m_topLevelWidget, TQPoint(0,0)) << " " << w1->y()
        //<< " | " << w2->name() << ":" /*<< w2->mapFrom(m_topLevelWidget, TQPoint(0,w2->y()))*/ << " " << w2->y() << endl;
    return y1 - y2;
}
 
#include "utils.moc"