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248 lines
7.1 KiB
248 lines
7.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2004 Alexander Dymo <cloudtemple@mskat.net>
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Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "pixmapedit.h"
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#include "editoritem.h"
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#include "property.h"
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#include <tqlayout.h>
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#include <tqpainter.h>
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#include <tqlabel.h>
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#include <tqcursor.h>
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#include <tqpushbutton.h>
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#include <tqfont.h>
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#include <tqfontmetrics.h>
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#include <tqimage.h>
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#include <tqfiledialog.h>
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#include <tqtooltip.h>
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#include <tqapplication.h>
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#include <kdebug.h>
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#include <kimageio.h>
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#ifdef TQ_WS_WIN
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#include <win32_utils.h>
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#include <tderecentdirs.h>
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#endif
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#ifndef PURE_QT
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#include <tdefiledialog.h>
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#include <tdelocale.h>
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#include <tdefiledialog.h>
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#endif
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using namespace KoProperty;
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PixmapEdit::PixmapEdit(Property *property, TQWidget *parent, const char *name)
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: Widget(property, parent, name)
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{
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setHasBorders(false);
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m_edit = new TQLabel(this, "m_edit");
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TQToolTip::add(m_edit, i18n("Click to show image preview"));
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m_edit->setAlignment(TQt::AlignLeft | TQt::AlignVCenter);
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m_edit->setMinimumHeight(5);
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m_edit->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Fixed);
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m_edit->setBackgroundMode(TQt::PaletteBase);
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m_edit->setMouseTracking(true);
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setBackgroundMode(TQt::PaletteBase);
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m_button = new TQPushButton(i18n("..."), this, "m_button");
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TQToolTip::add(m_button, i18n("Insert image from file"));
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m_button->setSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
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TQFontMetrics fm(m_button->font());
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m_button->setFixedWidth(fm.width(m_button->text()+' '));
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m_button->setFocusPolicy(TQWidget::NoFocus);
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m_popup = new TQLabel(0, "m_popup", TQt::WStyle_Customize|TQt::WStyle_NoBorder|TQt::WX11BypassWM|WStyle_StaysOnTop);
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m_popup->setPaletteBackgroundColor(m_popup->palette().active().base());
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m_popup->setFrameStyle(TQFrame::Plain|TQFrame::Box);
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m_popup->setMargin(2);
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m_popup->setLineWidth(1);
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m_popup->hide();
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setFocusWidget(m_edit);
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connect(m_button, TQT_SIGNAL(clicked()), this, TQT_SLOT(selectPixmap()));
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}
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PixmapEdit::~PixmapEdit()
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{
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delete m_popup;
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}
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TQVariant
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PixmapEdit::value() const
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{
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return m_pixmap;
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}
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void
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PixmapEdit::setValue(const TQVariant &value, bool emitChange)
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{
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m_pixmap = value.toPixmap();
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if (m_pixmap.isNull() || (m_pixmap.height()<=height())) {
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m_edit->setPixmap(m_pixmap);
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m_previewPixmap = m_pixmap;
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}
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else {
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TQImage img(m_pixmap.convertToImage());
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if (!TQRect(TQPoint(0,0), m_edit->size()*3).contains(m_pixmap.rect())) {
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img = img.smoothScale(m_edit->size()*3, TQImage::ScaleMin);
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m_previewPixmap.convertFromImage(img);//preview pixmap is a bit larger
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}
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else {
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m_previewPixmap = m_pixmap;
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}
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img = img.smoothScale(m_edit->size(), TQImage::ScaleMin);
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TQPixmap pm;
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pm.convertFromImage(img);
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m_edit->setPixmap(pm);
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}
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if (emitChange)
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emit valueChanged(this);
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}
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void
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PixmapEdit::drawViewer(TQPainter *p, const TQColorGroup &, const TQRect &r, const TQVariant &value)
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{
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TQRect r2(r);
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r2.setHeight(r2.height()+1);
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p->setClipRect(r2, TQPainter::CoordPainter);
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p->setClipping(true);
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p->eraseRect(r2);
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if (value.toPixmap().isNull())
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return;
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if (m_recentlyPainted!=value) {
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m_recentlyPainted = value;
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m_scaledPixmap = value.toPixmap();
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if (m_scaledPixmap.height() > r2.height() || m_scaledPixmap.width() > r2.width()) { //scale down
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TQImage img(m_scaledPixmap.convertToImage());
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img = img.smoothScale(r2.size()/*+TQSize(0,2)*/, TQImage::ScaleMin);
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m_scaledPixmap.convertFromImage(img);
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}
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}
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p->drawPixmap(r2.topLeft().x(), //+KPROPEDITOR_ITEM_MARGIN,
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r2.topLeft().y()+(r2.height()-m_scaledPixmap.height())/2, m_scaledPixmap);
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}
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TQString
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PixmapEdit::selectPixmapFileName()
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{
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/*#ifdef PURE_QT
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TQString url = TQFileDialog::getOpenFileName();
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if (!url.isEmpty()) {
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m_edit->setPixmap(TQPixmap(url));
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emit valueChanged(this);
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}
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#endif*/
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TQString caption( i18n("Insert Image From File (for \"%1\" property)").arg(property()->caption()) );
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#ifdef TQ_WS_WIN
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TQString recentDir;
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TQString fileName = TQFileDialog::getOpenFileName(
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KFileDialog::getStartURL(":lastVisitedImagePath", recentDir).path(),
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convertKFileDialogFilterToTQFileDialogFilter(KImageIO::pattern(KImageIO::Reading)),
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this, 0, caption);
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#else
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KURL url( KFileDialog::getImageOpenURL(
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":lastVisitedImagePath", this, caption) );
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TQString fileName = url.isLocalFile() ? url.path() : url.prettyURL();
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//! @todo download the file if remote, then set fileName properly
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#endif
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return fileName;
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}
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void
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PixmapEdit::selectPixmap()
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{
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TQString fileName( selectPixmapFileName() );
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if (fileName.isEmpty())
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return;
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TQPixmap pm;
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if (!pm.load(fileName)) {
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//! @todo err msg
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return;
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}
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setValue(pm);
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#ifdef TQ_WS_WIN
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//save last visited path
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KURL url(fileName);
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if (url.isLocalFile())
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TDERecentDirs::add(":lastVisitedImagePath", url.directory());
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#endif
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}
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void
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PixmapEdit::resizeEvent(TQResizeEvent *e)
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{
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Widget::resizeEvent(e);
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m_edit->move(0,0);
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m_edit->resize(e->size()-TQSize(m_button->width(),-1));
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m_button->move(m_edit->width(),0);
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m_button->setFixedSize(m_button->width(), height());
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}
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bool
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PixmapEdit::eventFilter(TQObject *o, TQEvent *ev)
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{
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if(o == m_edit) {
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if(ev->type() == TQEvent::MouseButtonPress && TQT_TQMOUSEEVENT(ev)->button()==TQt::LeftButton) {
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if(m_previewPixmap.height() <= m_edit->height()
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&& m_previewPixmap.width() <= m_edit->width())
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return false;
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m_popup->setPixmap(m_previewPixmap.isNull() ? m_pixmap : m_previewPixmap);
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m_popup->resize(m_previewPixmap.size()+TQSize(2*3,2*3));
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TQPoint pos = TQCursor::pos()+TQPoint(3,15);
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TQRect screenRect = TQApplication::desktop()->availableGeometry( this );
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if ((pos.x()+m_popup->width()) > screenRect.width())
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pos.setX(screenRect.width()-m_popup->width());
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if ((pos.y()+m_popup->height()) > screenRect.height())
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pos.setY(mapToGlobal(TQPoint(0,0)).y()-m_popup->height());
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m_popup->move(pos);
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m_popup->show();
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}
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else if(ev->type() == TQEvent::MouseButtonRelease || ev->type() == TQEvent::Hide) {
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if(m_popup->isVisible())
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m_popup->hide();
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}
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else if(ev->type() == TQEvent::KeyPress) {
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TQKeyEvent* e = TQT_TQKEYEVENT(ev);
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if((e->key() == Key_Enter) || (e->key()== Key_Space) || (e->key() == Key_Return)) {
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m_button->animateClick();
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return true;
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}
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}
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}
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return Widget::eventFilter(o, ev);
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}
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void
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PixmapEdit::setReadOnlyInternal(bool readOnly)
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{
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m_button->setEnabled(!readOnly);
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}
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#include "pixmapedit.moc"
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