File indexing completed on 2024-04-21 15:12:07

0001 /************************************************************************
0002  *                                  *
0003  *  This file is part of Kooka, a scanning/OCR application using    *
0004  *  Qt <http://www.qt.io> and KDE Frameworks <http://www.kde.org>.  *
0005  *                                  *
0006  *  Copyright (C) 2013-2016 Jonathan Marten <jjm@keelhaul.me.uk>    *
0007  *                                  *
0008  *  Kooka is free software; you can redistribute it and/or modify it    *
0009  *  under the terms of the GNU Library General Public License as    *
0010  *  published by the Free Software Foundation and appearing in the  *
0011  *  file COPYING included in the packaging of this file;  either    *
0012  *  version 2 of the License, or (at your option) any later version.    *
0013  *                                  *
0014  *  As a special exception, permission is given to link this program    *
0015  *  with any version of the KADMOS OCR/ICR engine (a product of     *
0016  *  reRecognition GmbH, Kreuzlingen), and distribute the resulting  *
0017  *  executable without including the source code for KADMOS in the  *
0018  *  source distribution.                        *
0019  *                                  *
0020  *  This program is distributed in the hope that it will be useful, *
0021  *  but WITHOUT ANY WARRANTY; without even the implied warranty of  *
0022  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
0023  *  GNU General Public License for more details.            *
0024  *                                  *
0025  *  You should have received a copy of the GNU General Public       *
0026  *  License along with this program;  see the file COPYING.  If     *
0027  *  not, see <http://www.gnu.org/licenses/>.                *
0028  *                                  *
0029  ************************************************************************/
0030 
0031 #include "statusbarmanager.h"
0032 
0033 #include <qstatusbar.h>
0034 #include <qlabel.h>
0035 #include <qstyle.h>
0036 
0037 #include <klocalizedstring.h>
0038 #include <kxmlguiwindow.h>
0039 
0040 #include "imagecanvas.h"
0041 #include "previewer.h"
0042 #include "sizeindicator.h"
0043 
0044 
0045 StatusBarManager::StatusBarManager(KXmlGuiWindow *mainWindow)
0046     : QObject(mainWindow)
0047 {
0048     mStatusBar = mainWindow->statusBar();
0049     mMargin = 2*mStatusBar->style()->pixelMetric(QStyle::PM_LayoutLeftMargin);
0050 
0051     // Messages
0052     mMessageLabel = new QLabel(i18nc("@info:status", "Ready"));
0053     mStatusBar->addWidget(mMessageLabel, 1);
0054 
0055     // Image dimensions
0056     QString s = ImageCanvas::imageInfoString(2000, 2000, 48);
0057     mImageDimsLabel = new QLabel(s);
0058     mImageDimsLabel->setAlignment(Qt::AlignHCenter);
0059     mImageDimsLabel->setToolTip(i18nc("@info:tooltip", "The size of the image being viewed in the gallery"));
0060     mImageDimsLabel->setMinimumWidth(mImageDimsLabel->sizeHint().width()+mMargin);
0061     mStatusBar->addPermanentWidget(mImageDimsLabel);
0062 
0063     // Preview dimensions
0064     s = Previewer::previewInfoString(500.0, 500.0, 1200, 1200);
0065     mPreviewDimsLabel = new QLabel(s);
0066     mPreviewDimsLabel->setAlignment(Qt::AlignHCenter);
0067     mPreviewDimsLabel->setToolTip(i18nc("@info:tooltip", "The size of the selected area that will be scanned"));
0068     mPreviewDimsLabel->setMinimumWidth(mPreviewDimsLabel->sizeHint().width()+mMargin);
0069     mStatusBar->addPermanentWidget(mPreviewDimsLabel);
0070 
0071     // Preview file size
0072     mFileSize = new SizeIndicator(nullptr);
0073     mFileSize->setMaximumWidth(100);
0074     mFileSize->setFrameStyle(QFrame::NoFrame);
0075     mFileSize->setToolTip(i18nc("@info:tooltip", "<qt>This is the uncompressed size of the scanned image. "
0076                                 "It tries to warn you if you try to produce too big an image by "
0077                                 "changing its background color."));
0078     mStatusBar->addPermanentWidget(mFileSize);
0079 
0080     mStatusBar->setSizeGripEnabled(false);
0081     mStatusBar->show();
0082 }
0083 
0084 
0085 // In this application, the length of some of the status bar strings
0086 // (e.g. the image/preview dimensions) can vary greatly.  To avoid the
0087 // status bar items annoyingly jumping around when this happens, once one
0088 // of those items has reached a certain size it is not allowed to shrink
0089 // again to less than that.
0090 void StatusBarManager::setLabelText(QLabel *l, const QString &text)
0091 {
0092     const int oldWidth = l->width();
0093     l->setText(text);
0094     const int newWidth = l->sizeHint().width();
0095     if (newWidth>oldWidth) l->setMinimumWidth(newWidth+mMargin);
0096 }
0097 
0098 
0099 void StatusBarManager::setStatus(const QString &text, StatusBarManager::Item item)
0100 {
0101     switch (item)
0102     {
0103 case StatusBarManager::Message:
0104         mMessageLabel->setText(text);
0105         break;
0106 
0107 case StatusBarManager::ImageDims:
0108         setLabelText(mImageDimsLabel, i18nc("@info:status", "Image: %1", text));
0109         break;
0110 
0111 case StatusBarManager::PreviewDims:
0112         setLabelText(mPreviewDimsLabel, i18nc("@info:status", "Scan: %1", text));
0113         break;
0114 
0115 default:
0116         break;
0117     }
0118 }
0119 
0120 
0121 void StatusBarManager::clearStatus(StatusBarManager::Item item)
0122 {
0123     setStatus(QString(), item);
0124 }
0125 
0126 
0127 void StatusBarManager::setFileSize(long size)
0128 {
0129     mFileSize->setSizeInByte(size);
0130 }