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695 lines
18 KiB
695 lines
18 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2000 Daniel M. Duley <mosfet@kde.org>
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Copyright (C) 2002 Hamish Rodda <rodda@kde.org>
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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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#include <tqcursor.h>
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#include <tqpainter.h>
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#include <tqtimer.h>
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#include <tqfontmetrics.h>
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#ifdef USE_QT4
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#undef None
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#endif // USE_QT4
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#include <tqstyle.h>
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#include "kpopupmenu.h"
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#include <kdebug.h>
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#include <kapplication.h>
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KPopupTitle::KPopupTitle(TQWidget *parent, const char *name)
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: TQWidget(parent, name)
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{
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setMinimumSize(16, fontMetrics().height()+8);
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}
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KPopupTitle::KPopupTitle(KPixmapEffect::GradientType /* gradient */,
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const TQColor &/* color */, const TQColor &/* textColor */,
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TQWidget *parent, const char *name)
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: TQWidget(parent, name)
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{
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calcSize();
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}
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KPopupTitle::KPopupTitle(const KPixmap & /* background */, const TQColor &/* color */,
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const TQColor &/* textColor */, TQWidget *parent,
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const char *name)
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: TQWidget(parent, name)
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{
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calcSize();
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}
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void KPopupTitle::setTitle(const TQString &text, const TQPixmap *icon)
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{
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titleStr = text;
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if (icon)
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miniicon = *icon;
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else
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miniicon.resize(0, 0);
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calcSize();
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}
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void KPopupTitle::setText( const TQString &text )
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{
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titleStr = text;
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calcSize();
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}
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void KPopupTitle::setIcon( const TQPixmap &pix )
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{
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miniicon = pix;
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calcSize();
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}
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void KPopupTitle::calcSize()
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{
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TQFont f = font();
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f.setBold(true);
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int w = miniicon.width()+TQFontMetrics(f).width(titleStr);
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int h = QMAX( fontMetrics().height(), miniicon.height() );
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setMinimumSize( w+16, h+8 );
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}
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void KPopupTitle::paintEvent(TQPaintEvent *)
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{
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TQRect r(rect());
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TQPainter p(this);
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kapp->tqstyle().tqdrawPrimitive(TQStyle::PE_HeaderSectionMenu, &p, r, tqpalette().active());
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if (!miniicon.isNull())
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p.drawPixmap(4, (r.height()-miniicon.height())/2, miniicon);
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if (!titleStr.isNull())
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{
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p.setPen(tqpalette().active().text());
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TQFont f = p.font();
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f.setBold(true);
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p.setFont(f);
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if(!miniicon.isNull())
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{
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p.drawText(miniicon.width()+8, 0, width()-(miniicon.width()+8),
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height(), AlignLeft | AlignVCenter | SingleLine,
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titleStr);
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}
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else
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{
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p.drawText(0, 0, width(), height(),
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AlignCenter | SingleLine, titleStr);
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}
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}
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}
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TQSize KPopupTitle::tqsizeHint() const
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{
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return tqminimumSize();
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}
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class KPopupMenu::KPopupMenuPrivate
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{
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public:
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KPopupMenuPrivate ()
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: noMatches(false)
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, shortcuts(false)
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, autoExec(false)
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, lastHitIndex(-1)
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, state(Qt::NoButton)
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, m_ctxMenu(0)
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{}
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~KPopupMenuPrivate ()
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{
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delete m_ctxMenu;
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}
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TQString m_lastTitle;
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// variables for keyboard navigation
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TQTimer clearTimer;
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bool noMatches : 1;
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bool shortcuts : 1;
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bool autoExec : 1;
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TQString keySeq;
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TQString originalText;
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int lastHitIndex;
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TQt::ButtonState state;
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// support for RMB menus on menus
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TQPopupMenu* m_ctxMenu;
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static bool s_continueCtxMenuShow;
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static int s_highlightedItem;
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static KPopupMenu* s_contextedMenu;
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};
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int KPopupMenu::KPopupMenuPrivate::s_highlightedItem(-1);
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KPopupMenu* KPopupMenu::KPopupMenuPrivate::s_contextedMenu(0);
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bool KPopupMenu::KPopupMenuPrivate::s_continueCtxMenuShow(true);
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KPopupMenu::KPopupMenu(TQWidget *parent, const char *name)
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: TQPopupMenu(parent, name)
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{
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d = new KPopupMenuPrivate;
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resetKeyboardVars();
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connect(&(d->clearTimer), TQT_SIGNAL(timeout()), TQT_SLOT(resetKeyboardVars()));
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}
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KPopupMenu::~KPopupMenu()
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{
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if (KPopupMenuPrivate::s_contextedMenu == this)
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{
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KPopupMenuPrivate::s_contextedMenu = 0;
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KPopupMenuPrivate::s_highlightedItem = -1;
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}
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delete d;
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}
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int KPopupMenu::insertTitle(const TQString &text, int id, int index)
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{
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KPopupTitle *titleItem = new KPopupTitle();
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titleItem->setTitle(text);
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int ret = insertItem(titleItem, id, index);
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setItemEnabled(ret, false);
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return ret;
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}
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int KPopupMenu::insertTitle(const TQPixmap &icon, const TQString &text, int id,
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int index)
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{
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KPopupTitle *titleItem = new KPopupTitle();
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titleItem->setTitle(text, &icon);
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int ret = insertItem(titleItem, id, index);
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setItemEnabled(ret, false);
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return ret;
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}
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void KPopupMenu::changeTitle(int id, const TQString &text)
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{
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TQMenuItem *item = findItem(id);
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if(item){
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if(item->widget())
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((KPopupTitle *)item->widget())->setTitle(text);
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#ifndef NDEBUG
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else
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kdWarning() << "KPopupMenu: changeTitle() called with non-title id "<< id << endl;
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#endif
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}
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#ifndef NDEBUG
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else
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kdWarning() << "KPopupMenu: changeTitle() called with invalid id " << id << endl;
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#endif
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}
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void KPopupMenu::changeTitle(int id, const TQPixmap &icon, const TQString &text)
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{
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TQMenuItem *item = findItem(id);
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if(item){
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if(item->widget())
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((KPopupTitle *)item->widget())->setTitle(text, &icon);
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#ifndef NDEBUG
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else
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kdWarning() << "KPopupMenu: changeTitle() called with non-title id "<< id << endl;
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#endif
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}
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#ifndef NDEBUG
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else
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kdWarning() << "KPopupMenu: changeTitle() called with invalid id " << id << endl;
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#endif
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}
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TQString KPopupMenu::title(int id) const
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{
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if(id == -1) // obsolete
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return d->m_lastTitle;
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TQMenuItem *item = findItem(id);
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if(item){
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if(item->widget())
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return ((KPopupTitle *)item->widget())->title();
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else
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qWarning("KPopupMenu: title() called with non-title id %d.", id);
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}
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else
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qWarning("KPopupMenu: title() called with invalid id %d.", id);
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return TQString::null;
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}
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TQPixmap KPopupMenu::titlePixmap(int id) const
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{
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TQMenuItem *item = findItem(id);
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if(item){
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if(item->widget())
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return ((KPopupTitle *)item->widget())->icon();
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else
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qWarning("KPopupMenu: titlePixmap() called with non-title id %d.", id);
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}
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else
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qWarning("KPopupMenu: titlePixmap() called with invalid id %d.", id);
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TQPixmap tmp;
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return tmp;
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}
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/**
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* This is re-implemented for keyboard navigation.
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*/
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void KPopupMenu::closeEvent(TQCloseEvent*e)
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{
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if (d->shortcuts)
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resetKeyboardVars();
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TQPopupMenu::closeEvent(e);
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}
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void KPopupMenu::activateItemAt(int index)
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{
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d->state = Qt::NoButton;
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TQPopupMenu::activateItemAt(index);
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}
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TQt::ButtonState KPopupMenu::state() const
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{
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return d->state;
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}
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void KPopupMenu::keyPressEvent(TQKeyEvent* e)
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{
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d->state = Qt::NoButton;
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if (!d->shortcuts) {
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// continue event processing by Qpopup
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//e->ignore();
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d->state = e->state();
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TQPopupMenu::keyPressEvent(e);
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return;
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}
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int i = 0;
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bool firstpass = true;
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TQString keyString = e->text();
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// check for common commands dealt with by QPopup
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int key = e->key();
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if (key == Key_Escape || key == Key_Return || key == Key_Enter
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|| key == Key_Up || key == Key_Down || key == Key_Left
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|| key == Key_Right || key == Key_F1) {
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resetKeyboardVars();
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// continue event processing by Qpopup
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//e->ignore();
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d->state = e->state();
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TQPopupMenu::keyPressEvent(e);
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return;
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} else if ( key == Key_Shift || key == Key_Control || key == Key_Alt || key == Key_Meta )
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return TQPopupMenu::keyPressEvent(e);
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// check to see if the user wants to remove a key from the sequence (backspace)
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// or clear the sequence (delete)
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if (!d->keySeq.isNull()) {
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if (key == Key_Backspace) {
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if (d->keySeq.length() == 1) {
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resetKeyboardVars();
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return;
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}
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// keep the last sequence in keyString
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keyString = d->keySeq.left(d->keySeq.length() - 1);
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// allow sequence matching to be tried again
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resetKeyboardVars();
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} else if (key == Key_Delete) {
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resetKeyboardVars();
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// clear active item
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setActiveItem(0);
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return;
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} else if (d->noMatches) {
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// clear if there are no matches
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resetKeyboardVars();
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// clear active item
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setActiveItem(0);
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} else {
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// the key sequence is not a null string
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// therefore the lastHitIndex is valid
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i = d->lastHitIndex;
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}
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} else if (key == Key_Backspace && parentMenu) {
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// backspace with no chars in the buffer... go back a menu.
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hide();
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resetKeyboardVars();
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return;
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}
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d->keySeq += keyString;
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int seqLen = d->keySeq.length();
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for (; i < (int)count(); i++) {
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// compare typed text with text of this entry
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int j = idAt(i);
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// don't search disabled entries
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if (!isItemEnabled(j))
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continue;
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TQString thisText;
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// retrieve the right text
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// (the last selected item one may have additional ampersands)
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if (i == d->lastHitIndex)
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thisText = d->originalText;
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else
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thisText = text(j);
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// if there is an accelerator present, remove it
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if ((int)accel(j) != 0)
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thisText = thisText.replace("&", TQString());
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// chop text to the search length
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thisText = thisText.left(seqLen);
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// do the search
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if (!thisText.find(d->keySeq, 0, false)) {
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if (firstpass) {
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// match
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setActiveItem(i);
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// check to see if we're underlining a different item
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if (d->lastHitIndex != i)
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// yes; revert the underlining
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changeItem(idAt(d->lastHitIndex), d->originalText);
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// set the original text if it's a different item
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if (d->lastHitIndex != i || d->lastHitIndex == -1)
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d->originalText = text(j);
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// underline the currently selected item
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changeItem(j, underlineText(d->originalText, d->keySeq.length()));
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// remember what's going on
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d->lastHitIndex = i;
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// start/restart the clear timer
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d->clearTimer.start(5000, true);
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// go around for another try, to see if we can execute
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firstpass = false;
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} else {
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// don't allow execution
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return;
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}
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}
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// fall through to allow execution
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}
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if (!firstpass) {
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if (d->autoExec) {
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// activate anything
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activateItemAt(d->lastHitIndex);
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resetKeyboardVars();
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} else if (findItem(idAt(d->lastHitIndex)) &&
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findItem(idAt(d->lastHitIndex))->popup()) {
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// only activate sub-menus
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activateItemAt(d->lastHitIndex);
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resetKeyboardVars();
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}
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return;
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}
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// no matches whatsoever, clean up
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resetKeyboardVars(true);
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//e->ignore();
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TQPopupMenu::keyPressEvent(e);
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}
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bool KPopupMenu::focusNextPrevChild( bool next )
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{
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resetKeyboardVars();
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return TQPopupMenu::focusNextPrevChild( next );
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}
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TQString KPopupMenu::underlineText(const TQString& text, uint length)
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{
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TQString ret = text;
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for (uint i = 0; i < length; i++) {
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if (ret[2*i] != '&')
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ret.insert(2*i, "&");
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}
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return ret;
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}
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void KPopupMenu::resetKeyboardVars(bool noMatches /* = false */)
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{
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// Clean up keyboard variables
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if (d->lastHitIndex != -1) {
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changeItem(idAt(d->lastHitIndex), d->originalText);
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d->lastHitIndex = -1;
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}
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if (!noMatches) {
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d->keySeq = TQString::null;
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}
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d->noMatches = noMatches;
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}
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void KPopupMenu::setKeyboardShortcutsEnabled(bool enable)
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{
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d->shortcuts = enable;
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}
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void KPopupMenu::setKeyboardShortcutsExecute(bool enable)
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{
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d->autoExec = enable;
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}
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/**
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* End keyboard navigation.
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*/
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/**
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* RMB menus on menus
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*/
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void KPopupMenu::mousePressEvent(TQMouseEvent* e)
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{
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if (d->m_ctxMenu && d->m_ctxMenu->isVisible())
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{
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// hide on a second context menu event
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d->m_ctxMenu->hide();
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}
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TQPopupMenu::mousePressEvent(e);
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}
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void KPopupMenu::mouseReleaseEvent(TQMouseEvent* e)
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{
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// Save the button, and the modifiers from state()
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d->state = TQt::ButtonState(e->button() | (e->state() & KeyButtonMask));
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if ( !d->m_ctxMenu || !d->m_ctxMenu->isVisible() )
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TQPopupMenu::mouseReleaseEvent(e);
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}
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TQPopupMenu* KPopupMenu::contextMenu()
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{
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if (!d->m_ctxMenu)
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{
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d->m_ctxMenu = new TQPopupMenu(this);
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connect(d->m_ctxMenu, TQT_SIGNAL(aboutToHide()), this, TQT_SLOT(ctxMenuHiding()));
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}
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return d->m_ctxMenu;
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}
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const TQPopupMenu* KPopupMenu::contextMenu() const
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{
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return const_cast< KPopupMenu* >( this )->contextMenu();
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}
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void KPopupMenu::hideContextMenu()
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{
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KPopupMenuPrivate::s_continueCtxMenuShow = false;
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}
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int KPopupMenu::contextMenuFocusItem()
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{
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return KPopupMenuPrivate::s_highlightedItem;
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}
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KPopupMenu* KPopupMenu::contextMenuFocus()
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{
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return KPopupMenuPrivate::s_contextedMenu;
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}
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void KPopupMenu::itemHighlighted(int /* whichItem */)
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{
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if (!d->m_ctxMenu || !d->m_ctxMenu->isVisible())
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{
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return;
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}
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d->m_ctxMenu->hide();
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showCtxMenu(mapFromGlobal(TQCursor::pos()));
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}
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void KPopupMenu::showCtxMenu(TQPoint pos)
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{
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TQMenuItem* item = findItem(KPopupMenuPrivate::s_highlightedItem);
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if (item)
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{
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TQPopupMenu* subMenu = item->popup();
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if (subMenu)
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{
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disconnect(subMenu, TQT_SIGNAL(aboutToShow()), this, TQT_SLOT(ctxMenuHideShowingMenu()));
|
|
}
|
|
}
|
|
|
|
KPopupMenuPrivate::s_highlightedItem = idAt(pos);
|
|
|
|
if (KPopupMenuPrivate::s_highlightedItem == -1)
|
|
{
|
|
KPopupMenuPrivate::s_contextedMenu = 0;
|
|
return;
|
|
}
|
|
|
|
emit aboutToShowContextMenu(this, KPopupMenuPrivate::s_highlightedItem, d->m_ctxMenu);
|
|
|
|
TQPopupMenu* subMenu = findItem(KPopupMenuPrivate::s_highlightedItem)->popup();
|
|
if (subMenu)
|
|
{
|
|
connect(subMenu, TQT_SIGNAL(aboutToShow()), TQT_SLOT(ctxMenuHideShowingMenu()));
|
|
TQTimer::singleShot(100, subMenu, TQT_SLOT(hide()));
|
|
}
|
|
|
|
if (!KPopupMenuPrivate::s_continueCtxMenuShow)
|
|
{
|
|
KPopupMenuPrivate::s_continueCtxMenuShow = true;
|
|
return;
|
|
}
|
|
|
|
KPopupMenuPrivate::s_contextedMenu = this;
|
|
d->m_ctxMenu->popup(this->mapToGlobal(pos));
|
|
connect(this, TQT_SIGNAL(highlighted(int)), this, TQT_SLOT(itemHighlighted(int)));
|
|
}
|
|
|
|
/*
|
|
* this method helps prevent submenus popping up while we have a context menu
|
|
* showing
|
|
*/
|
|
void KPopupMenu::ctxMenuHideShowingMenu()
|
|
{
|
|
TQMenuItem* item = findItem(KPopupMenuPrivate::s_highlightedItem);
|
|
if (item)
|
|
{
|
|
TQPopupMenu* subMenu = item->popup();
|
|
if (subMenu)
|
|
{
|
|
TQTimer::singleShot(0, subMenu, TQT_SLOT(hide()));
|
|
}
|
|
}
|
|
}
|
|
|
|
void KPopupMenu::ctxMenuHiding()
|
|
{
|
|
if (KPopupMenuPrivate::s_highlightedItem)
|
|
{
|
|
TQPopupMenu* subMenu = findItem(KPopupMenuPrivate::s_highlightedItem)->popup();
|
|
if (subMenu)
|
|
{
|
|
disconnect(subMenu, TQT_SIGNAL(aboutToShow()), this, TQT_SLOT(ctxMenuHideShowingMenu()));
|
|
}
|
|
}
|
|
|
|
disconnect(this, TQT_SIGNAL(highlighted(int)), this, TQT_SLOT(itemHighlighted(int)));
|
|
KPopupMenuPrivate::s_continueCtxMenuShow = true;
|
|
}
|
|
|
|
void KPopupMenu::contextMenuEvent(TQContextMenuEvent* e)
|
|
{
|
|
if (d->m_ctxMenu)
|
|
{
|
|
if (e->reason() == TQContextMenuEvent::Mouse)
|
|
{
|
|
showCtxMenu(e->pos());
|
|
}
|
|
else if (actItem != -1)
|
|
{
|
|
showCtxMenu(itemGeometry(actItem).center());
|
|
}
|
|
|
|
e->accept();
|
|
return;
|
|
}
|
|
|
|
TQPopupMenu::contextMenuEvent(e);
|
|
}
|
|
|
|
void KPopupMenu::hideEvent(TQHideEvent*)
|
|
{
|
|
if (d->m_ctxMenu && d->m_ctxMenu->isVisible())
|
|
{
|
|
// we need to block signals here when the ctxMenu is showing
|
|
// to prevent the TQPopupMenu::activated(int) signal from emitting
|
|
// when hiding with a context menu, the user doesn't expect the
|
|
// menu to actually do anything.
|
|
// since hideEvent gets called very late in the process of hiding
|
|
// (deep within TQWidget::hide) the activated(int) signal is the
|
|
// last signal to be emitted, even after things like aboutToHide()
|
|
// AJS
|
|
blockSignals(true);
|
|
d->m_ctxMenu->hide();
|
|
blockSignals(false);
|
|
}
|
|
}
|
|
/**
|
|
* end of RMB menus on menus support
|
|
*/
|
|
|
|
// Obsolete
|
|
KPopupMenu::KPopupMenu(const TQString& title, TQWidget *parent, const char *name)
|
|
: TQPopupMenu(parent, name)
|
|
{
|
|
d = new KPopupMenuPrivate;
|
|
insertTitle(title);
|
|
}
|
|
|
|
// Obsolete
|
|
void KPopupMenu::setTitle(const TQString &title)
|
|
{
|
|
KPopupTitle *titleItem = new KPopupTitle();
|
|
titleItem->setTitle(title);
|
|
insertItem(titleItem);
|
|
d->m_lastTitle = title;
|
|
}
|
|
|
|
void KPopupTitle::virtual_hook( int, void* )
|
|
{ /*BASE::virtual_hook( id, data );*/ }
|
|
|
|
void KPopupMenu::virtual_hook( int, void* )
|
|
{ /*BASE::virtual_hook( id, data );*/ }
|
|
|
|
#include "kpopupmenu.moc"
|