diff options
Diffstat (limited to 'digikam/libs/widgets/imageplugins/imagepannelwidget.cpp')
| -rw-r--r-- | digikam/libs/widgets/imageplugins/imagepannelwidget.cpp | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/digikam/libs/widgets/imageplugins/imagepannelwidget.cpp b/digikam/libs/widgets/imageplugins/imagepannelwidget.cpp new file mode 100644 index 0000000..f45e61a --- /dev/null +++ b/digikam/libs/widgets/imageplugins/imagepannelwidget.cpp @@ -0,0 +1,477 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-07-01 + * Description : a widget to draw a control pannel image tool. + * + * Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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, or (at your option) + * 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. + * + * ============================================================ */ + +// Qt includes. + +#include <qframe.h> +#include <qvgroupbox.h> +#include <qlabel.h> +#include <qpixmap.h> +#include <qtooltip.h> +#include <qwhatsthis.h> +#include <qtimer.h> +#include <qhbuttongroup.h> +#include <qpushbutton.h> +#include <qlayout.h> +#include <qpixmap.h> + +// KDE includes. + +#include <kdialog.h> +#include <klocale.h> +#include <kcursor.h> +#include <kprogress.h> +#include <kapplication.h> +#include <kiconloader.h> +#include <kconfig.h> +#include <kstandarddirs.h> +#include <kseparator.h> + +// Local includes. + +#include "ddebug.h" +#include "sidebar.h" +#include "statuszoombar.h" +#include "thumbnailsize.h" +#include "imageregionwidget.h" +#include "imagepaniconwidget.h" +#include "imagepannelwidget.h" +#include "imagepannelwidget.moc" + +namespace Digikam +{ + +class ImagePannelWidgetPriv +{ +public: + + ImagePannelWidgetPriv() + { + imageRegionWidget = 0; + imagePanIconWidget = 0; + mainLayout = 0; + separateView = 0; + progressBar = 0; + settingsSideBar = 0; + splitter = 0; + settingsLayout = 0; + settings = 0; + previewWidget = 0; + zoomBar = 0; + } + + QGridLayout *mainLayout; + + QHButtonGroup *separateView; + + QString settingsSection; + + QWidget *settings; + QWidget *previewWidget; + + QVBoxLayout *settingsLayout; + + QSplitter *splitter; + + KProgress *progressBar; + + ImageRegionWidget *imageRegionWidget; + ImagePanIconWidget *imagePanIconWidget; + + Sidebar *settingsSideBar; + + StatusZoomBar *zoomBar; +}; + +ImagePannelWidget::ImagePannelWidget(uint w, uint h, const QString& settingsSection, + QWidget *parent, int separateViewMode) + : QHBox(parent, 0, Qt::WDestructiveClose) +{ + d = new ImagePannelWidgetPriv; + d->settingsSection = settingsSection; + d->splitter = new QSplitter(this); + d->previewWidget = new QWidget(d->splitter); + d->mainLayout = new QGridLayout( d->previewWidget, 2, 3, 0, KDialog::spacingHint()); + + d->splitter->setFrameStyle( QFrame::NoFrame ); + d->splitter->setFrameShadow( QFrame::Plain ); + d->splitter->setFrameShape( QFrame::NoFrame ); + d->splitter->setOpaqueResize(false); + + // ------------------------------------------------------------- + + QFrame *preview = new QFrame(d->previewWidget); + QVBoxLayout* l1 = new QVBoxLayout(preview, 5, 0); + d->imageRegionWidget = new ImageRegionWidget(w, h, preview, false); + d->imageRegionWidget->setFrameStyle(QFrame::NoFrame); + preview->setFrameStyle(QFrame::Panel|QFrame::Sunken); + QWhatsThis::add( d->imageRegionWidget, i18n("<p>Here you can see the original clip image " + "which will be used for the preview computation." + "<p>Click and drag the mouse cursor in the " + "image to change the clip focus.")); + l1->addWidget(d->imageRegionWidget, 0); + + QSizePolicy rightSzPolicy(QSizePolicy::Preferred, QSizePolicy::Expanding, 2, 1); + d->previewWidget->setSizePolicy(rightSzPolicy); + + // ------------------------------------------------------------- + + d->zoomBar = new StatusZoomBar(d->previewWidget); + QWhatsThis::add( d->zoomBar, i18n("<p>Here set the zoom factor of the preview area.") ); + + // ------------------------------------------------------------- + + QString directory; + d->separateView = new QHButtonGroup(d->previewWidget); + d->separateView->setExclusive(true); + d->separateView->setInsideMargin( 0 ); + d->separateView->setFrameShape(QFrame::NoFrame); + + if (separateViewMode == SeparateViewDuplicate || + separateViewMode == SeparateViewAll) + { + QPushButton *duplicateHorButton = new QPushButton( d->separateView ); + d->separateView->insert(duplicateHorButton, ImageRegionWidget::SeparateViewDuplicateHorz); + KGlobal::dirs()->addResourceType("duplicatebothhorz", KGlobal::dirs()->kde_default("data") + "digikam/data"); + directory = KGlobal::dirs()->findResourceDir("duplicatebothhorz", "duplicatebothhorz.png"); + duplicateHorButton->setPixmap( QPixmap( directory + "duplicatebothhorz.png" ) ); + duplicateHorButton->setToggleButton(true); + QWhatsThis::add( duplicateHorButton, i18n("<p>If you enable this option, you will separate the preview area " + "horizontally, displaying the original and target image " + "at the same time. The target is duplicated from the original " + "below the red dashed line." ) ); + + QPushButton *duplicateVerButton = new QPushButton( d->separateView ); + d->separateView->insert(duplicateVerButton, ImageRegionWidget::SeparateViewDuplicateVert); + KGlobal::dirs()->addResourceType("duplicatebothvert", KGlobal::dirs()->kde_default("data") + "digikam/data"); + directory = KGlobal::dirs()->findResourceDir("duplicatebothvert", "duplicatebothvert.png"); + duplicateVerButton->setPixmap( QPixmap( directory + "duplicatebothvert.png" ) ); + duplicateVerButton->setToggleButton(true); + QWhatsThis::add( duplicateVerButton, i18n("<p>If you enable this option, you will separate the preview area " + "vertically, displaying the original and target image " + "at the same time. The target is duplicated from the original to " + "the right of the red dashed line." ) ); + } + + if (separateViewMode == SeparateViewNormal || + separateViewMode == SeparateViewAll) + { + QPushButton *separateHorButton = new QPushButton( d->separateView ); + d->separateView->insert(separateHorButton, ImageRegionWidget::SeparateViewHorizontal); + KGlobal::dirs()->addResourceType("bothhorz", KGlobal::dirs()->kde_default("data") + "digikam/data"); + directory = KGlobal::dirs()->findResourceDir("bothhorz", "bothhorz.png"); + separateHorButton->setPixmap( QPixmap( directory + "bothhorz.png" ) ); + separateHorButton->setToggleButton(true); + QWhatsThis::add( separateHorButton, i18n( "<p>If you enable this option, you will separate the preview area " + "horizontally, displaying the original and target image " + "at the same time. The original is above the " + "red dashed line, the target below it." ) ); + + QPushButton *separateVerButton = new QPushButton( d->separateView ); + d->separateView->insert(separateVerButton, ImageRegionWidget::SeparateViewVertical); + KGlobal::dirs()->addResourceType("bothvert", KGlobal::dirs()->kde_default("data") + "digikam/data"); + directory = KGlobal::dirs()->findResourceDir("bothvert", "bothvert.png"); + separateVerButton->setPixmap( QPixmap( directory + "bothvert.png" ) ); + separateVerButton->setToggleButton(true); + QWhatsThis::add( separateVerButton, i18n( "<p>If you enable this option, you will separate the preview area " + "vertically, displaying the original and target image " + "at the same time. The original is to the left of the " + "red dashed line, the target to the right of it." ) ); + } + + QPushButton *noSeparateButton = new QPushButton( d->separateView ); + d->separateView->insert(noSeparateButton, ImageRegionWidget::SeparateViewNone); + KGlobal::dirs()->addResourceType("target", KGlobal::dirs()->kde_default("data") + "digikam/data"); + directory = KGlobal::dirs()->findResourceDir("target", "target.png"); + noSeparateButton->setPixmap( QPixmap( directory + "target.png" ) ); + noSeparateButton->setToggleButton(true); + QWhatsThis::add( noSeparateButton, i18n( "<p>If you enable this option, the preview area will not " + "be separated." ) ); + + // ------------------------------------------------------------- + + d->progressBar = new KProgress(100, d->previewWidget); + QWhatsThis::add(d->progressBar ,i18n("<p>This is the percentage of the task which has been completed up to this point.")); + d->progressBar->setProgress(0); + d->progressBar->setMaximumHeight( fontMetrics().height() ); + + // ------------------------------------------------------------- + + d->mainLayout->addMultiCellWidget(preview, 0, 1, 0, 3); + d->mainLayout->addMultiCellWidget(d->zoomBar, 2, 2, 0, 0); + d->mainLayout->addMultiCellWidget(d->progressBar, 2, 2, 2, 2); + d->mainLayout->addMultiCellWidget(d->separateView, 2, 2, 3, 3); + + d->mainLayout->setRowStretch(1, 10); + d->mainLayout->setColStretch(1, 10); + + // ------------------------------------------------------------- + + QString sbName(d->settingsSection + QString(" Image Plugin Sidebar")); + d->settingsSideBar = new Sidebar(this, sbName.ascii(), Sidebar::Right); + d->settingsSideBar->setSplitter(d->splitter); + + d->settings = new QWidget(d->settingsSideBar); + d->settingsLayout = new QVBoxLayout(d->settings); + + QFrame *frame3 = new QFrame(d->settings); + frame3->setFrameStyle(QFrame::Panel|QFrame::Sunken); + QVBoxLayout* l3 = new QVBoxLayout(frame3, 5, 0); + d->imagePanIconWidget = new ImagePanIconWidget(360, 240, frame3); + QWhatsThis::add( d->imagePanIconWidget, i18n("<p>Here you can see the original image panel " + "which can help you to select the clip preview." + "<p>Click and drag the mouse cursor in the " + "red rectangle to change the clip focus.")); + l3->addWidget(d->imagePanIconWidget, 0, Qt::AlignCenter); + + d->settingsLayout->addWidget(frame3, 0, Qt::AlignHCenter); + d->settingsLayout->addSpacing(KDialog::spacingHint()); + + d->settingsSideBar->appendTab(d->settings, SmallIcon("configure"), i18n("Settings")); + d->settingsSideBar->loadViewState(); + + // ------------------------------------------------------------- + + setProgressVisible(false); + QTimer::singleShot(0, this, SLOT(slotInitGui())); + + // ------------------------------------------------------------- + + connect(d->imageRegionWidget, SIGNAL(signalContentsMovedEvent(bool)), + this, SLOT(slotOriginalImageRegionChanged(bool))); + + connect(d->imagePanIconWidget, SIGNAL(signalSelectionMoved(const QRect&, bool)), + this, SLOT(slotSetImageRegionPosition(const QRect&, bool))); + + connect(d->imagePanIconWidget, SIGNAL(signalSelectionTakeFocus()), + this, SLOT(slotPanIconTakeFocus())); + + connect(d->separateView, SIGNAL(released(int)), + d->imageRegionWidget, SLOT(slotSeparateViewToggled(int))); + + connect(d->separateView, SIGNAL(released(int)), + d->imagePanIconWidget, SLOT(slotSeparateViewToggled(int))); + + connect(d->zoomBar, SIGNAL(signalZoomMinusClicked()), + d->imageRegionWidget, SLOT(slotDecreaseZoom())); + + connect(d->zoomBar, SIGNAL(signalZoomPlusClicked()), + d->imageRegionWidget, SLOT(slotIncreaseZoom())); + + connect(d->zoomBar, SIGNAL(signalZoomSliderReleased(int)), + this, SLOT(slotZoomSliderChanged(int))); +} + +ImagePannelWidget::~ImagePannelWidget() +{ + writeSettings(); + delete d->settingsSideBar; + delete d; +} + +void ImagePannelWidget::readSettings() +{ + KConfig *config = kapp->config(); + config->setGroup(d->settingsSection); + int mode = config->readNumEntry("Separate View", ImageRegionWidget::SeparateViewDuplicateVert); + mode = QMAX(ImageRegionWidget::SeparateViewHorizontal, mode); + mode = QMIN(ImageRegionWidget::SeparateViewDuplicateHorz, mode); + + d->imageRegionWidget->blockSignals(true); + d->imagePanIconWidget->blockSignals(true); + d->separateView->blockSignals(true); + d->imageRegionWidget->slotSeparateViewToggled( mode ); + d->imagePanIconWidget->slotSeparateViewToggled( mode ); + d->separateView->setButton( mode ); + d->imageRegionWidget->blockSignals(false); + d->imagePanIconWidget->blockSignals(false); + d->separateView->blockSignals(false); +} + +void ImagePannelWidget::writeSettings() +{ + KConfig *config = kapp->config(); + config->setGroup(d->settingsSection); + config->writeEntry( "Separate View", d->separateView->selectedId() ); + config->sync(); +} + +void ImagePannelWidget::slotOriginalImageRegionChanged(bool target) +{ + slotZoomFactorChanged(d->imageRegionWidget->zoomFactor()); + QRect rect = getOriginalImageRegion(); + d->imagePanIconWidget->setRegionSelection(rect); + updateSelectionInfo(rect); + + if (target) + { + d->imageRegionWidget->backupPixmapRegion(); + emit signalOriginalClipFocusChanged(); + } +} + +void ImagePannelWidget::slotZoomFactorChanged(double zoom) +{ + double h = (double)ThumbnailSize::Huge; + double s = (double)ThumbnailSize::Small; + double zmin = d->imageRegionWidget->zoomMin(); + double zmax = d->imageRegionWidget->zoomMax(); + double b = (zmin-(zmax*s/h))/(1-s/h); + double a = (zmax-b)/h; + int size = (int)((zoom - b) /a); + + d->zoomBar->setZoomSliderValue(size); + d->zoomBar->setZoomTrackerText(i18n("zoom: %1%").arg((int)(zoom*100.0))); + + d->zoomBar->setEnableZoomPlus(true); + d->zoomBar->setEnableZoomMinus(true); + + if (d->imageRegionWidget->maxZoom()) + d->zoomBar->setEnableZoomPlus(false); + + if (d->imageRegionWidget->minZoom()) + d->zoomBar->setEnableZoomMinus(false); + + d->imagePanIconWidget->slotZoomFactorChanged(zoom); +} + +void ImagePannelWidget::slotZoomSliderChanged(int size) +{ + double h = (double)ThumbnailSize::Huge; + double s = (double)ThumbnailSize::Small; + double zmin = d->imageRegionWidget->zoomMin(); + double zmax = d->imageRegionWidget->zoomMax(); + double b = (zmin-(zmax*s/h))/(1-s/h); + double a = (zmax-b)/h; + double z = a*size+b; + + d->imageRegionWidget->setZoomFactorSnapped(z); +} + +KProgress *ImagePannelWidget::progressBar() +{ + return d->progressBar; +} + +void ImagePannelWidget::resizeEvent(QResizeEvent *) +{ + emit signalResized(); +} + +void ImagePannelWidget::slotInitGui() +{ + readSettings(); + setCenterImageRegionPosition(); + slotOriginalImageRegionChanged(true); +} + +void ImagePannelWidget::setPanIconHighLightPoints(const QPointArray& pt) +{ + d->imageRegionWidget->setHighLightPoints(pt); + d->imagePanIconWidget->setHighLightPoints(pt); +} + +void ImagePannelWidget::slotPanIconTakeFocus() +{ + d->imageRegionWidget->restorePixmapRegion(); +} + +void ImagePannelWidget::setUserAreaWidget(QWidget *w) +{ + w->reparent( d->settings, QPoint(0, 0) ); + d->settingsLayout->addSpacing(KDialog::spacingHint()); + d->settingsLayout->addWidget(w); + d->settingsLayout->addStretch(); +} + +void ImagePannelWidget::setEnable(bool b) +{ + d->imageRegionWidget->setEnabled(b); + d->imagePanIconWidget->setEnabled(b); + d->separateView->setEnabled(b); + d->zoomBar->setEnabled(b); +} + +void ImagePannelWidget::setProgress(int val) +{ + d->progressBar->setValue(val); +} + +void ImagePannelWidget::setProgressVisible(bool b) +{ + if (b) d->progressBar->show(); + else d->progressBar->hide(); +} + +void ImagePannelWidget::setProgressWhatsThis(const QString& desc) +{ + QWhatsThis::add( d->progressBar, desc); +} + +void ImagePannelWidget::setPreviewImageWaitCursor(bool enable) +{ + if ( enable ) + d->imageRegionWidget->setCursor( KCursor::waitCursor() ); + else + d->imageRegionWidget->unsetCursor(); +} + +QRect ImagePannelWidget::getOriginalImageRegion() +{ + return ( d->imageRegionWidget->getImageRegion() ); +} + +QRect ImagePannelWidget::getOriginalImageRegionToRender() +{ + return ( d->imageRegionWidget->getImageRegionToRender() ); +} + +DImg ImagePannelWidget::getOriginalRegionImage() +{ + return ( d->imageRegionWidget->getImageRegionImage() ); +} + +void ImagePannelWidget::setPreviewImage(DImg img) +{ + d->imageRegionWidget->updatePreviewImage(&img); +} + +void ImagePannelWidget::setCenterImageRegionPosition() +{ + d->imageRegionWidget->setCenterContentsPosition(); +} + +void ImagePannelWidget::slotSetImageRegionPosition(const QRect& rect, bool targetDone) +{ + d->imageRegionWidget->setContentsPosition(rect.x(), rect.y(), targetDone); +} + +void ImagePannelWidget::updateSelectionInfo(const QRect& rect) +{ + QToolTip::add( d->imagePanIconWidget, + i18n("<nobr>(%1,%2)(%3x%4)</nobr>") + .arg(rect.left()).arg(rect.top()) + .arg(rect.width()).arg(rect.height())); +} + +} // NameSpace Digikam |