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/* This file is part of the KDE project
Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
Copyright (C) 2004 Alexander Dymo <cloudtemple@mskat.net>
Copyright (C) 2005 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 "pixmapedit.h"
#include "editoritem.h"
#include "property.h"
#include <tqlayout.h>
#include <tqpainter.h>
#include <tqlabel.h>
#include <tqcursor.h>
#include <tqpushbutton.h>
#include <tqfont.h>
#include <tqfontmetrics.h>
#include <tqimage.h>
#include <tqfiledialog.h>
#include <tqtooltip.h>
#include <tqapplication.h>
#include <kdebug.h>
#include <kimageio.h>
#ifdef TQ_WS_WIN
#include <win32_utils.h>
#include <krecentdirs.h>
#endif
#ifndef PURE_QT
#include <kfiledialog.h>
#include <klocale.h>
#include <kfiledialog.h>
#endif
using namespace KoProperty;
PixmapEdit::PixmapEdit(Property *property, TQWidget *tqparent, const char *name)
: Widget(property, tqparent, name)
{
setHasBorders(false);
m_edit = new TQLabel(this, "m_edit");
TQToolTip::add(m_edit, i18n("Click to show image preview"));
m_edit->tqsetAlignment(TQt::AlignLeft | TQt::AlignVCenter);
m_edit->setMinimumHeight(5);
m_edit->tqsetSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Fixed);
m_edit->setBackgroundMode(TQt::PaletteBase);
m_edit->setMouseTracking(true);
setBackgroundMode(TQt::PaletteBase);
m_button = new TQPushButton(i18n("..."), this, "m_button");
TQToolTip::add(m_button, i18n("Insert image from file"));
m_button->tqsetSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
TQFontMetrics fm(m_button->font());
m_button->setFixedWidth(fm.width(m_button->text()+' '));
m_button->setFocusPolicy(TQ_NoFocus);
m_popup = new TQLabel(0, "m_popup", TQt::WStyle_Customize|TQt::WStyle_NoBorder|TQt::WX11BypassWM|WStyle_StaysOnTop);
m_popup->setPaletteBackgroundColor(m_popup->tqpalette().active().base());
m_popup->setFrameStyle(TQFrame::Plain|TQFrame::Box);
m_popup->setMargin(2);
m_popup->setLineWidth(1);
m_popup->hide();
setFocusWidget(m_edit);
connect(m_button, TQT_SIGNAL(clicked()), this, TQT_SLOT(selectPixmap()));
}
PixmapEdit::~PixmapEdit()
{
delete m_popup;
}
TQVariant
PixmapEdit::value() const
{
return m_pixmap;
}
void
PixmapEdit::setValue(const TQVariant &value, bool emitChange)
{
m_pixmap = value.toPixmap();
if (m_pixmap.isNull() || (m_pixmap.height()<=height())) {
m_edit->setPixmap(m_pixmap);
m_previewPixmap = m_pixmap;
}
else {
TQImage img(m_pixmap.convertToImage());
if (!TQRect(TQPoint(0,0), m_edit->size()*3).tqcontains(m_pixmap.rect())) {
img = img.smoothScale(m_edit->size()*3, TQ_ScaleMin);
m_previewPixmap.convertFromImage(img);//preview pixmap is a bit larger
}
else {
m_previewPixmap = m_pixmap;
}
img = img.smoothScale(m_edit->size(), TQ_ScaleMin);
TQPixmap pm;
pm.convertFromImage(img);
m_edit->setPixmap(pm);
}
if (emitChange)
emit valueChanged(this);
}
void
PixmapEdit::drawViewer(TQPainter *p, const TQColorGroup &, const TQRect &r, const TQVariant &value)
{
TQRect r2(r);
r2.setHeight(r2.height()+1);
p->setClipRect(r2, TQPainter::CoordPainter);
p->setClipping(true);
p->eraseRect(r2);
if (value.toPixmap().isNull())
return;
if (m_recentlyPainted!=value) {
m_recentlyPainted = value;
m_scaledPixmap = value.toPixmap();
if (m_scaledPixmap.height() > r2.height() || m_scaledPixmap.width() > r2.width()) { //scale down
TQImage img(m_scaledPixmap.convertToImage());
img = img.smoothScale(r2.size()/*+TQSize(0,2)*/, TQ_ScaleMin);
m_scaledPixmap.convertFromImage(img);
}
}
p->drawPixmap(r2.topLeft().x(), //+KPROPEDITOR_ITEM_MARGIN,
r2.topLeft().y()+(r2.height()-m_scaledPixmap.height())/2, m_scaledPixmap);
}
TQString
PixmapEdit::selectPixmapFileName()
{
/*#ifdef PURE_QT
TQString url = TQFileDialog::getOpenFileName();
if (!url.isEmpty()) {
m_edit->setPixmap(TQPixmap(url));
emit valueChanged(this);
}
#endif*/
TQString caption( i18n("Insert Image From File (for \"%1\" property)").tqarg(property()->caption()) );
#ifdef TQ_WS_WIN
TQString recentDir;
TQString fileName = TQFileDialog::getOpenFileName(
KFileDialog::getStartURL(":lastVisitedImagePath", recentDir).path(),
convertKFileDialogFilterToTQFileDialogFilter(KImageIO::pattern(KImageIO::Reading)),
this, 0, caption);
#else
KURL url( KFileDialog::getImageOpenURL(
":lastVisitedImagePath", this, caption) );
TQString fileName = url.isLocalFile() ? url.path() : url.prettyURL();
//! @todo download the file if remote, then set fileName properly
#endif
return fileName;
}
void
PixmapEdit::selectPixmap()
{
TQString fileName( selectPixmapFileName() );
if (fileName.isEmpty())
return;
TQPixmap pm;
if (!pm.load(fileName)) {
//! @todo err msg
return;
}
setValue(pm);
#ifdef TQ_WS_WIN
//save last visited path
KURL url(fileName);
if (url.isLocalFile())
KRecentDirs::add(":lastVisitedImagePath", url.directory());
#endif
}
void
PixmapEdit::resizeEvent(TQResizeEvent *e)
{
Widget::resizeEvent(e);
m_edit->move(0,0);
m_edit->resize(e->size()-TQSize(m_button->width(),-1));
m_button->move(m_edit->width(),0);
m_button->setFixedSize(m_button->width(), height());
}
bool
PixmapEdit::eventFilter(TQObject *o, TQEvent *ev)
{
if(TQT_BASE_OBJECT(o) == m_edit) {
if(ev->type() == TQEvent::MouseButtonPress && TQT_TQMOUSEEVENT(ev)->button()==Qt::LeftButton) {
if(m_previewPixmap.height() <= m_edit->height()
&& m_previewPixmap.width() <= m_edit->width())
return false;
m_popup->setPixmap(m_previewPixmap.isNull() ? m_pixmap : m_previewPixmap);
m_popup->resize(m_previewPixmap.size()+TQSize(2*3,2*3));
TQPoint pos = TQCursor::pos()+TQPoint(3,15);
TQRect screenRect = TQApplication::desktop()->availableGeometry( this );
if ((pos.x()+m_popup->width()) > screenRect.width())
pos.setX(screenRect.width()-m_popup->width());
if ((pos.y()+m_popup->height()) > screenRect.height())
pos.setY(mapToGlobal(TQPoint(0,0)).y()-m_popup->height());
m_popup->move(pos);
m_popup->show();
}
else if(ev->type() == TQEvent::MouseButtonRelease || ev->type() == TQEvent::Hide) {
if(m_popup->isVisible())
m_popup->hide();
}
else if(ev->type() == TQEvent::KeyPress) {
TQKeyEvent* e = TQT_TQKEYEVENT(ev);
if((e->key() == Key_Enter) || (e->key()== Key_Space) || (e->key() == Key_Return)) {
m_button->animateClick();
return true;
}
}
}
return Widget::eventFilter(o, ev);
}
void
PixmapEdit::setReadOnlyInternal(bool readOnly)
{
m_button->setEnabled(!readOnly);
}
#include "pixmapedit.moc"
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