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kile/src/kile/previewconfigwidget.cpp

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/***************************************************************************
date : Sep 05 2006
version : 0.32
copyright : (C) 2005-2006 by Holger Danielsson
email : holger.danielsson@t-online.de
***************************************************************************/
/***************************************************************************
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "previewconfigwidget.h"
#include <tdelocale.h>
#include "kiledebug.h"
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqstringlist.h>
#include <tqmap.h>
#include <tqvalidator.h>
#include "kileconfig.h"
KileWidgetPreviewConfig::KileWidgetPreviewConfig(TDEConfig *config, KileTool::QuickPreview *preview, TQWidget *parent, const char *name )
: TQWidget(parent,name),
m_config(config),
m_preview(preview)
{
// Layout
TQVBoxLayout *vbox = new TQVBoxLayout(this, 5,5 );
TQGroupBox *groupbox = new TQGroupBox( i18n("Quick Preview in a separate window"), this, "groupbox" );
groupbox->setSizePolicy( TQSizePolicy( (TQSizePolicy::SizeType)5, (TQSizePolicy::SizeType)1, 0, 0, groupbox->sizePolicy().hasHeightForWidth() ) );
groupbox->setColumnLayout(0, TQt::Vertical );
groupbox->layout()->setSpacing( 6 );
groupbox->layout()->setMargin( 11 );
TQGridLayout *groupboxLayout = new TQGridLayout( groupbox->layout() );
groupboxLayout->setAlignment( TQt::AlignTop );
TQLabel *label = new TQLabel( i18n("Select a configuration:"), groupbox, "label");
m_combobox = new KComboBox(false,groupbox,"combobox" );
groupboxLayout->addWidget(label,0,0);
groupboxLayout->addWidget(m_combobox,0,2);
groupboxLayout->setColSpacing(1,8);
groupboxLayout->setColStretch(3,1);
TQGroupBox *gbResolution = new TQGroupBox( i18n("Quick Preview in bottom bar"), this, "gbresolution" );
gbResolution->setColumnLayout(0, TQt::Vertical );
gbResolution->layout()->setSpacing( 6 );
gbResolution->layout()->setMargin( 11 );
TQGridLayout *resLayout = new TQGridLayout( gbResolution->layout() );
resLayout->setAlignment( TQt::AlignTop );
TQLabel *resLabel = new TQLabel( i18n("&Resolution:"), gbResolution );
m_leDvipngResolution = new KLineEdit( gbResolution, "DvipngResolution" );
TQLabel *resDpi = new TQLabel( i18n("dpi"), gbResolution );
TQLabel *resAllowed = new TQLabel( i18n("(allowed values: 30-1000 dpi)"), gbResolution );
// set validator
TQValidator* validator = new TQIntValidator(30,1000,this);
m_leDvipngResolution->setValidator(validator);
resLabel->setBuddy(m_leDvipngResolution);
TQString sep = "&nbsp;&nbsp;&nbsp;&nbsp;";
TQString title = i18n("Kile supports three kinds of conversion to png images");
TQString tool1 = i18n("dvi --> png") + sep + i18n("(uses dvipng)");
TQString tool2 = i18n("dvi --> ps --> png") + sep + i18n("(uses dvips/convert)");
TQString tool3 = i18n("pdf --> png") + sep + i18n("(uses convert)");
TQString description = TQString("%1:<ul><li>%2<li>%3<li>%4</ul>").arg(title).arg(tool1).arg(tool2).arg(tool3);
TQLabel *labelDescription = new TQLabel(description, gbResolution);
TQLabel *labelDvipng = new TQLabel(i18n("dvipng:"), gbResolution);
TQLabel *labelConvert = new TQLabel(i18n("convert:"), gbResolution);
m_lbDvipng = new TQLabel(gbResolution);
m_lbConvert = new TQLabel(gbResolution);
resLayout->addWidget(resLabel,0,0);
resLayout->addWidget(m_leDvipngResolution,0,2);
resLayout->addWidget(resDpi,0,3);
resLayout->addWidget(resAllowed,0,5,TQt::AlignLeft);
resLayout->addMultiCellWidget(labelDescription,1,1,0,5);
resLayout->addWidget(labelDvipng,2,0);
resLayout->addWidget(m_lbDvipng,2,2);
resLayout->addWidget(labelConvert,3,0);
resLayout->addWidget(m_lbConvert,3,2);
resLayout->setColSpacing(1,8);
resLayout->setColSpacing(4,24);
resLayout->setColStretch(5,1);
m_gbPreview = new TQGroupBox( i18n("Properties"), this, "gbpreview" );
m_gbPreview->setColumnLayout(0, TQt::Vertical );
m_gbPreview->layout()->setSpacing( 6 );
m_gbPreview->layout()->setMargin( 11 );
TQGridLayout *previewLayout = new TQGridLayout( m_gbPreview->layout() );
previewLayout->setAlignment( TQt::AlignTop );
TQLabel *labelPreviewWidget = new TQLabel(i18n("Show preview in bottom bar:"), m_gbPreview);
TQLabel *labelPreviewType = new TQLabel(i18n("Conversion to image:"), m_gbPreview);
TQLabel *labelSelection = new TQLabel(i18n("Selection:"), m_gbPreview);
TQLabel *labelEnvironment = new TQLabel(i18n("Environment:"), m_gbPreview);
TQLabel *labelMathgroup = new TQLabel(i18n("Mathgroup:"), m_gbPreview);
TQLabel *labelSubdocument1 = new TQLabel(i18n("Subdocument:"), m_gbPreview);
TQLabel *labelSubdocument2 = new TQLabel(i18n("Not available, opens always in a separate window."), m_gbPreview);
m_cbSelection = new TQCheckBox(m_gbPreview);
m_cbEnvironment = new TQCheckBox(m_gbPreview);
m_cbMathgroup = new TQCheckBox(m_gbPreview);
m_coSelection = new KComboBox(false,m_gbPreview);
m_coEnvironment = new KComboBox(false,m_gbPreview);
m_lbMathgroup = new TQLabel(i18n("Preview uses always 'dvipng'."), m_gbPreview);
previewLayout->addMultiCellWidget(labelPreviewWidget,0,0,0,2);
previewLayout->addWidget(labelPreviewType,0,4);
previewLayout->addWidget(labelSelection,1,0);
previewLayout->addWidget(m_cbSelection,1,2);
previewLayout->addWidget(m_coSelection,1,4);
previewLayout->addWidget(labelEnvironment,2,0);
previewLayout->addWidget(m_cbEnvironment,2,2);
previewLayout->addWidget(m_coEnvironment,2,4);
previewLayout->addWidget(labelMathgroup,3,0);
previewLayout->addWidget(m_cbMathgroup,3,2);
previewLayout->addMultiCellWidget(m_lbMathgroup,3,3,4,5,TQt::AlignLeft);
previewLayout->addWidget(labelSubdocument1,4,0);
previewLayout->addMultiCellWidget(labelSubdocument2,4,4,2,5,TQt::AlignLeft);
previewLayout->setRowSpacing(0,3*labelPreviewWidget->sizeHint().height()/2);
previewLayout->setRowSpacing(3,m_coEnvironment->sizeHint().height());
previewLayout->setColSpacing(1,12);
previewLayout->setColSpacing(3,40);
previewLayout->setColStretch(5,1);
vbox->addWidget(groupbox);
vbox->addWidget(gbResolution);
vbox->addWidget(m_gbPreview);
vbox->addStretch();
connect(m_cbEnvironment,TQ_SIGNAL(clicked()),this,TQ_SLOT(updateConversionTools()));
connect(m_cbSelection,TQ_SIGNAL(clicked()),this,TQ_SLOT(updateConversionTools()));
connect(m_cbMathgroup,TQ_SIGNAL(clicked()),this,TQ_SLOT(updateConversionTools()));
}
//////////////////// read/write configuration ////////////////////
void KileWidgetPreviewConfig::readConfig(void)
{
setupSeparateWindow();
setupBottomBar();
setupProperties();
updateConversionTools();
}
void KileWidgetPreviewConfig::writeConfig(void)
{
KileConfig::setPreviewTask( m_combobox->currentText() );
bool ok;
TQString resolution = m_leDvipngResolution->text();
int dpi = resolution.toInt(&ok);
if ( ok )
{
if ( dpi < 30 )
resolution = "30";
else if ( dpi > 1000 )
resolution = "1000";
KileConfig::setDvipngResolution( resolution );
}
if ( m_gbPreview->isEnabled() )
{
KileConfig::setSelPreviewInWidget( m_cbSelection->isChecked() );
KileConfig::setEnvPreviewInWidget( m_cbEnvironment->isChecked() );
KileConfig::setMathgroupPreviewInWidget( ( m_dvipngInstalled ) ? m_cbMathgroup->isChecked() : false );
KileConfig::setSelPreviewTool( index2tool(m_coSelection->currentItem()) );
KileConfig::setEnvPreviewTool( index2tool(m_coEnvironment->currentItem()) );
}
else
{
KileConfig::setEnvPreviewInWidget( false );
KileConfig::setSelPreviewInWidget( false );
}
}
void KileWidgetPreviewConfig::setupSeparateWindow()
{
// get all possible tasks for QuickPreview in a separate window
TQStringList tasklist;
m_preview->getTaskList(tasklist);
// split them into group and combobox entry
m_combobox->clear();
for ( uint i=0; i<tasklist.count(); ++i )
{
TQStringList list = TQStringList::split("=",tasklist[i]);
if ( m_config->hasGroup( list[0] ) )
{
m_combobox->insertItem( list[1] );
}
}
// set current task
m_combobox->setCurrentText( KileConfig::previewTask() );
}
void KileWidgetPreviewConfig::setupBottomBar()
{
// setup resolution for QuickPreview in bottom bar
m_leDvipngResolution->setText( KileConfig::dvipngResolution() );
// setup tools
m_dvipngInstalled = KileConfig::dvipng();
m_convertInstalled = KileConfig::convert();
m_lbDvipng->setText( ( m_dvipngInstalled ) ? i18n("installed") : i18n("not installed") );
m_lbConvert->setText( ( m_convertInstalled ) ? i18n("installed") : i18n("not installed") );
}
void KileWidgetPreviewConfig::setupProperties()
{
// setup properties for QuickPreview
m_cbSelection->setChecked( KileConfig::selPreviewInWidget() );
m_cbEnvironment->setChecked( KileConfig::envPreviewInWidget() );
m_cbMathgroup->setChecked( KileConfig::mathgroupPreviewInWidget() );
// setup conversion tools
TQStringList toollist;
if ( m_dvipngInstalled )
{
toollist << i18n("dvi --> png");
}
else
{
m_cbMathgroup->setChecked( false );
m_cbMathgroup->setEnabled( false );
m_lbMathgroup->setText( i18n("Opens always in a separate window.") );
}
if ( m_convertInstalled )
{
toollist << i18n("dvi --> ps --> png");
toollist << i18n("pdf --> png");
}
// setup comboboxes
if ( installedTools() == 0 )
{
m_gbPreview->setEnabled(false);
}
else
{
m_coSelection->insertStringList(toollist);
m_coEnvironment->insertStringList(toollist);
m_coSelection->setCurrentItem( tool2index(KileConfig::selPreviewTool()) );
m_coEnvironment->setCurrentItem( tool2index(KileConfig::envPreviewTool()) );
}
}
//////////////////// manage tools ////////////////////
// Tool is 0 (dvi->png), 1 (dvi->ps->png) or 2 (pdf->png).
// But this may not be valid, when tools are not installed anymore.
// So we have to calc a new index for the combobox
// available = 0: doesn't matter, everything will be disabled
// available = 1: only dvipng, so we use index 0
// available = 2: only convert: 0->0, 1->0, 2->1
// available = 3: dvipng/convert: index is valid
int KileWidgetPreviewConfig::tool2index(int tool)
{
int result = 0;
int available = installedTools();
if ( available == 3 )
result = tool;
else if ( available==2 && tool>0 )
result = tool - 1;
return result;
}
int KileWidgetPreviewConfig::index2tool(int index)
{
int result = 0;
int available = installedTools();
if ( available == 3 )
result = index;
else if ( available == 2 )
result = index + 1;
return result;
}
// calc installed tools:
// - 0 : no tools installed
// - 1 : dvipng installed
// - 2 : convert installed
// - 3 : dvipng/convert installed
int KileWidgetPreviewConfig::installedTools()
{
int tools = 0;
if ( m_dvipngInstalled )
tools += 1;
if ( m_convertInstalled )
tools += 2;
return tools;
}
void KileWidgetPreviewConfig::updateConversionTools()
{
m_coSelection->setEnabled( m_cbSelection->isChecked() );
m_coEnvironment->setEnabled( m_cbEnvironment->isChecked() );
if ( m_dvipngInstalled )
m_lbMathgroup->setEnabled( m_cbMathgroup->isChecked() );
}
#include "previewconfigwidget.moc"
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