krita

kis_dlg_adj_layer_props.cc

00001 /*
00002  *  Copyright (c) 2006 Boudewijn Rempt <boud@valdyas.org>
00003  *  Copyright (c) 2007 Benjamin Schleimer <bensch128@yahoo.com>
00004  *
00005  *  This program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2 of the License, or
00008  *  (at your option) any later version.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00018  */
00019 #include <klocale.h>
00020 
00021 #include <qgroupbox.h>
00022 #include <qlabel.h>
00023 #include <qlayout.h>
00024 
00025 #include <klineedit.h>
00026 #include <klocale.h>
00027 
00028 #include "kis_filter_config_widget.h"
00029 #include "kis_transaction.h"
00030 #include "kis_filter.h"
00031 #include "kis_filter_configuration.h"
00032 #include "kis_filters_listview.h"
00033 #include "kis_image.h"
00034 #include "kis_previewwidget.h"
00035 #include "kis_layer.h"
00036 #include "kis_adjustment_layer.h"
00037 #include "kis_paint_device.h"
00038 #include "kis_paint_layer.h"
00039 #include "kis_group_layer.h"
00040 #include "kis_dlg_adj_layer_props.h"
00041 #include "kis_filter.h"
00042 #include "kis_filter_configuration.h"
00043 
00044 KisDlgAdjLayerProps::KisDlgAdjLayerProps(KisAdjustmentLayerSP layer,
00045                                          const QString & layerName,
00046                                          const QString & caption,
00047                                          QWidget *parent,
00048                                          const char *name)
00049     : KDialogBase(parent, name, true, "", Ok | Cancel)
00050 {
00051     Q_ASSERT( layer );
00052     m_layer = layer;
00053 
00054     KisLayerSP next = layer->nextSibling();
00055     Q_ASSERT( next );
00056 
00057     m_currentConfiguration = layer->filter();
00058     m_currentFilter = KisFilterRegistry::instance()->get(m_currentConfiguration->name());
00059     if (!m_currentFilter) {
00060         kdWarning() << "No filter specified!\n";
00061     }
00062 
00063     KisPaintDeviceSP dev = 0;
00064 
00065     if( next )
00066     {
00067         KisPaintLayer * pl = dynamic_cast<KisPaintLayer*>(next.data());
00068         if (pl) {
00069             dev = pl->paintDevice();
00070         }
00071         else {
00072             KisGroupLayer * gl = dynamic_cast<KisGroupLayer*>(next.data());
00073             if (gl) {
00074                 dev = gl->projection(gl->extent());
00075             }
00076             else {
00077                 KisAdjustmentLayer * al = dynamic_cast<KisAdjustmentLayer*>(next.data());
00078                 if (al) {
00079                     dev = al->cachedPaintDevice();
00080                 }
00081             }
00082         }
00083     } else {
00084         dev = new KisPaintDevice(m_layer->image()->colorSpace());
00085     }
00086     setCaption(caption);
00087     QWidget * page = new QWidget(this, "page widget");
00088     QHBoxLayout * layout = new QHBoxLayout(page, 0, 6);
00089     setMainWidget(page);
00090 
00091     m_preview = new KisPreviewWidget(page, "dlgadjustment.preview");
00092     m_preview->slotSetDevice( dev );
00093 
00094     connect( m_preview, SIGNAL(updated()), this, SLOT(refreshPreview()));
00095     layout->addWidget(m_preview, 1, 1);
00096 
00097     QVBoxLayout *v1 = new QVBoxLayout( layout );
00098     QHBoxLayout *hl = new QHBoxLayout( v1 );
00099 
00100     QLabel * lblName = new QLabel(i18n("Layer name:"), page, "lblName");
00101     hl->addWidget(lblName, 0, 0);
00102 
00103     m_layerName = new KLineEdit(page, "m_layerName");
00104     m_layerName->setText(layerName);
00105     m_layerName->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
00106     hl->addWidget(m_layerName, 0, 1);
00107     connect( m_layerName, SIGNAL( textChanged ( const QString & ) ), this, SLOT( slotNameChanged( const QString & ) ) );
00108 
00109     if ( m_currentFilter ) {
00110         m_currentConfigWidget = m_currentFilter->createConfigurationWidget(page, dev);
00111         if (m_currentConfigWidget) {
00112             m_currentConfigWidget->setConfiguration( m_currentConfiguration );
00113         }
00114     }
00115     if ( m_currentFilter == 0 || m_currentConfigWidget == 0 ) {
00116         QLabel * labelNoConfigWidget = new QLabel( i18n("No configuration options are available for this filter"), page );
00117         v1->addWidget( labelNoConfigWidget );
00118     }
00119     else {
00120         v1->addWidget( m_currentConfigWidget );
00121         connect(m_currentConfigWidget, SIGNAL(sigPleaseUpdatePreview()), this, SLOT(slotConfigChanged()));
00122     }
00123 
00124     refreshPreview();
00125     enableButtonOK( !m_layerName->text().isEmpty() );
00126 }
00127 
00128 void KisDlgAdjLayerProps::slotNameChanged( const QString & text )
00129 {
00130     enableButtonOK( !text.isEmpty() );
00131 }
00132 
00133 KisFilterConfiguration * KisDlgAdjLayerProps::filterConfiguration() const
00134 {
00135     return m_currentFilter->configuration(m_currentConfigWidget);
00136 }
00137 
00138 QString KisDlgAdjLayerProps::layerName() const
00139 {
00140     return m_layerName->text();
00141 }
00142 
00143 void KisDlgAdjLayerProps::slotConfigChanged()
00144 {
00145     if(m_preview->getAutoUpdate())
00146     {
00147         refreshPreview();
00148     } else {
00149         m_preview->needUpdate();
00150     }
00151 }
00152 
00153 void KisDlgAdjLayerProps::refreshPreview()
00154 {
00155     if (!m_preview) {
00156         kdDebug() << "no preview!\n";
00157         return;
00158     }
00159 
00160     if (!m_currentFilter) {
00161         return;
00162     }
00163     KisFilterConfiguration* config = m_currentFilter->configuration(m_currentConfigWidget);
00164 
00165     m_preview->runFilter(m_currentFilter, config);
00166 }
00167 
00168 #include "kis_dlg_adj_layer_props.moc"
KDE Home | KDE Accessibility Home | Description of Access Keys