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Diffstat (limited to 'kdeprint/kpfilterpage.cpp')
| -rw-r--r-- | kdeprint/kpfilterpage.cpp | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/kdeprint/kpfilterpage.cpp b/kdeprint/kpfilterpage.cpp deleted file mode 100644 index b321b3141..000000000 --- a/kdeprint/kpfilterpage.cpp +++ /dev/null @@ -1,416 +0,0 @@ -/* - * This file is part of the KDE libraries - * Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License version 2 as published by the Free Software Foundation. - * - * 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 "kpfilterpage.h" -#include "kmfactory.h" -#include "kxmlcommand.h" - -#include <tqtoolbutton.h> -#include <tqheader.h> -#include <tqtooltip.h> -#include <tqlayout.h> -#include <tqwhatsthis.h> -#include <klistview.h> -#include <klocale.h> -#include <kiconloader.h> -#include <kmessagebox.h> -#include <kactivelabel.h> -#include <kdebug.h> -#include <kapplication.h> -#include <kdialog.h> - -KPFilterPage::KPFilterPage(TQWidget *parent, const char *name) -: KPrintDialogPage(parent,name) -{ - //WhatsThis strings.... (added by pfeifle@kde.org) - TQString whatsThisAddFilterButton = i18n( " <qt> <b>Add Filter button</b>" - " <p>This button calls a little dialog to let you" - " select a filter here. </p>" - " <p><b>Note 1:</b> You can chain different filters as long as you make " - " sure that the output of one fits as input of the next. (KDEPrint " - " checks your filtering chain and will warn you if you fail to do so.</p> " - " <p><b>Note 2:</b> The filters you define here are applied to your jobfile " - " <em><b>before</b></em> it is handed downstream to your spooler and print " - " subsystem (e.g. CUPS, LPRng, LPD).</p>" - " </ul>" - " </qt>" ); - - TQString whatsThisRemoveFilterButton = i18n(" <qt> <b>Remove Filter button</b>" - " <p>This button removes the highlighted filter from the" - " list of filters." - " </qt>" ); - - TQString whatsThisMoveFilterUpButton = i18n(" <qt> <b>Move Filter Up button</b>" - " <p>This button moves the highlighted filter up in the list" - " of filters, towards the front of the filtering chain. </p>" - " </qt>" ); - - TQString whatsThisMoveFilterDownButton = i18n(" <qt> <b>Move Filter Down button</b>" - " <p>This button moves the highlighted filter down in the list" - " of filters, towards the end of the filtering chain..</p>" - " </qt>" ); - - TQString whatsThisConfigureFilterButton = i18n( " <qt> <b>Configure Filter button</b>" - " <p>This button lets you configure the currently highlighted filter." - " It opens a separate dialog. " - " </p>" - " </qt>" ); - - TQString whatsThisFilterInfoPane = i18n( " <qt> <b>Filter Info Pane</b>" - " <p>This field shows some general info about the selected filter. " - " Amongst them are: " - " <ul> " - " <li>the <em>filter name</em> (as displayed in the KDEPrint user interface); </li> " - " <li>the <em>filter requirements</em> (that is the external program that needs " - " to present and executable on this system); </li> " - " <li>the <em>filter input format</em> (in the form of one or several <em>MIME types</em>" - " accepted by the filter); </li> " - " <li>the <em>filter output format</em> (in the form of a <em>MIME type</em> " - " generated by the filter); </li> " - " <li>a more or less verbose text describing the filter's operation.</li> " - " </ul> " - " </p>" - " </qt>" ); - - TQString whatsThisFilterchainListView = i18n( " <qt> <b>Filtering Chain</b> (if enabled, is run <em>before</em> actual " - " job submission to print system)" - " <p>This field shows which filters are currently selected to act as 'pre-filters' " - " for KDEPrint. Pre-filters are processing the print files <em>before</em> they are " - " send downstream to your real print subsystem. </p> " - " <p>The list shown in this field may be empty (default). </p> " - " <p>The pre-filters act on the printjob in the order they are listed (from top to bottom). " - " This is done by acting as a <em>filtering chain</em> where the output of one filter " - " acts as input to the next. By putting the filters into the wrong order, you can make " - " the filtering chain fail. For example: if your file is ASCII text, and you want the " - " output being processed by the 'Multipage per Sheet' filter, the first filter must be " - " one that processes ASCII into PostScript. </p> " - " <p>KDEPrint can utilize <em>any</em> external filtering program which you may find useful " - " through this interface. </p> " - " <p>KDEPrint ships preconfigured with support for a selection of common filters. These " - " filters however need to be " - " installed independently from KDEPrint. These pre-filters work <em>for all</em> print subsystems" - " supported by KDEPrint (such as CUPS, LPRng and LPD), because they are not depending on these.</p> " - ".<p> Amongst the pre-configured filters shipping with KDEPrint are: </p> " - " <ul> " - " <li>the <em>Enscript text filter</em> </li> " - " <li>a <em>Multiple Pages per Sheet filter</em </li> " - " <li>a <em>PostScript to PDF converter</em>.</li> " - " <li>a <em>Page Selection/Ordering filter</em>.</li> " - " <li>a <em>Poster Printing filter</em>.</li> " - " <li>and some more..</li> " - " </ul> " - " To insert a filter into this list, simply click on the <em>funnel</em> icon (topmost on " - " the right icon column group) and proceed. </p>" - " <p>Please click on the other elements of this dialog to learn more about the KDEPrint " - " pre-filters. " - " </p>" - " </qt>" ); - - setTitle(i18n("Filters")); - m_activefilters.setAutoDelete(true); - m_valid = true; - - m_view = new KListView(this); - TQWhatsThis::add(m_view, whatsThisFilterchainListView); - m_view->addColumn(""); - m_view->setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken); - m_view->setLineWidth(1); - m_view->setSorting(-1); - m_view->header()->hide(); - connect(m_view,TQT_SIGNAL(selectionChanged(TQListViewItem*)),TQT_SLOT(slotItemSelected(TQListViewItem*))); - - m_add = new TQToolButton(this); - TQWhatsThis::add(m_add, whatsThisAddFilterButton); - m_add->setIconSet(BarIconSet("filter")); - TQToolTip::add(m_add, i18n("Add filter")); - - m_remove = new TQToolButton(this); - TQWhatsThis::add(m_remove, whatsThisRemoveFilterButton); - m_remove->setIconSet(BarIconSet("remove")); - TQToolTip::add(m_remove, i18n("Remove filter")); - - m_up = new TQToolButton(this); - TQWhatsThis::add(m_up, whatsThisMoveFilterUpButton); - m_up->setIconSet(BarIconSet("up")); - TQToolTip::add(m_up, i18n("Move filter up")); - - m_down = new TQToolButton(this); - TQWhatsThis::add(m_down, whatsThisMoveFilterDownButton); - m_down->setIconSet(BarIconSet("down")); - TQToolTip::add(m_down, i18n("Move filter down")); - - m_configure = new TQToolButton(this); - TQWhatsThis::add(m_configure, whatsThisConfigureFilterButton); - m_configure->setIconSet(BarIconSet("configure")); - TQToolTip::add(m_configure, i18n("Configure filter")); - - connect(m_add,TQT_SIGNAL(clicked()),TQT_SLOT(slotAddClicked())); - connect(m_remove,TQT_SIGNAL(clicked()),TQT_SLOT(slotRemoveClicked())); - connect(m_up,TQT_SIGNAL(clicked()),TQT_SLOT(slotUpClicked())); - connect(m_down,TQT_SIGNAL(clicked()),TQT_SLOT(slotDownClicked())); - connect(m_configure,TQT_SIGNAL(clicked()),TQT_SLOT(slotConfigureClicked())); - connect(m_view,TQT_SIGNAL(doubleClicked(TQListViewItem*)),TQT_SLOT(slotConfigureClicked())); - - m_info = new KActiveLabel(this); - TQWhatsThis::add(m_info, whatsThisFilterInfoPane); - m_info->setVScrollBarMode( TQScrollView::Auto ); - m_info->setHScrollBarMode( TQScrollView::Auto ); - m_info->setFrameStyle( TQFrame::Panel|TQFrame::Sunken ); - m_info->setMinimumSize( TQSize( 240, 100 ) ); - - TQGridLayout *l1 = new TQGridLayout(this, 2, 2, 0, KDialog::spacingHint()); - l1->setColStretch(0, 1); - TQVBoxLayout *l2 = new TQVBoxLayout(0, 0, 1); - l1->addWidget(m_view, 0, 0); - l1->addLayout(l2, 0, 1); - l2->addWidget(m_add); - l2->addWidget(m_remove); - l2->addSpacing(5); - l2->addWidget(m_up); - l2->addWidget(m_down); - l2->addSpacing(5); - l2->addWidget(m_configure); - l2->addStretch(1); - l1->addMultiCellWidget(m_info, 1, 1, 0, 1); - slotItemSelected(0); - - resize(100,50); -} - -KPFilterPage::~KPFilterPage() -{ -} - -void KPFilterPage::updateButton() -{ -/* TQListViewItem *item = m_view->currentItem(); - bool state=(item!=0); - m_remove->setEnabled(state); - m_up->setEnabled((state && item->itemAbove() != 0)); - m_down->setEnabled((state && item->itemBelow() != 0)); - m_configure->setEnabled(state);*/ -} - -void KPFilterPage::slotAddClicked() -{ - bool ok; - TQString choice = KXmlCommandManager::self()->selectCommand( this ); - ok = !choice.isEmpty(); - if (ok) - { - KXmlCommand *cmd = KXmlCommandManager::self()->loadCommand(choice); - if (!cmd) return; // Error - TQStringList filters = activeList(); - int pos = KXmlCommandManager::self()->insertCommand(filters, cmd->name()); - TQListViewItem *prev(0); - if (pos > 0) - { - prev = m_view->firstChild(); - for (int i=1;prev && i<pos;i++) - prev = prev->nextSibling(); - } - m_activefilters.insert(cmd->name(), cmd); - TQListViewItem *item = new TQListViewItem(m_view, prev, cmd->description(), cmd->name()); - item->setPixmap(0, SmallIcon("filter")); - checkFilterChain(); - } -} - -void KPFilterPage::slotRemoveClicked() -{ - if (m_view->selectedItem()) - { - TQString idname = m_view->selectedItem()->text(1); - delete m_view->selectedItem(); - m_activefilters.remove(idname); - checkFilterChain(); - if (m_view->currentItem()) - m_view->setSelected(m_view->currentItem(), true); - slotItemSelected(m_view->currentItem()); - } -} - -void KPFilterPage::slotUpClicked() -{ - TQListViewItem *item = m_view->selectedItem(); - if (item && item->itemAbove()) - { - TQListViewItem *clone = new TQListViewItem(m_view,item->itemAbove()->itemAbove(),item->text(0),item->text(1)); - clone->setPixmap(0, SmallIcon("filter")); - delete item; - m_view->setSelected(clone, true); - checkFilterChain(); - } -} - -void KPFilterPage::slotDownClicked() -{ - TQListViewItem *item = m_view->selectedItem(); - if (item && item->itemBelow()) - { - TQListViewItem *clone = new TQListViewItem(m_view,item->itemBelow(),item->text(0),item->text(1)); - clone->setPixmap(0, SmallIcon("filter")); - delete item; - m_view->setSelected(clone, true); - checkFilterChain(); - } -} - -void KPFilterPage::slotConfigureClicked() -{ - KXmlCommand *filter = currentFilter(); - if (!filter || !KXmlCommandManager::self()->configure(filter, this)) - KMessageBox::error(this,i18n("Internal error: unable to load filter.")); -} - -void KPFilterPage::slotItemSelected(TQListViewItem *item) -{ - m_remove->setEnabled((item != 0)); - m_up->setEnabled((item != 0 && item->itemAbove() != 0)); - m_down->setEnabled((item != 0 && item->itemBelow() != 0)); - m_configure->setEnabled((item != 0)); - updateInfo(); -} - -void KPFilterPage::setOptions(const TQMap<TQString,TQString>& opts) -{ - TQStringList filters = TQStringList::split(',',opts["_kde-filters"],false); - // remove unneeded filters - TQDictIterator<KXmlCommand> dit(m_activefilters); - for (;dit.current();) - { - if (filters.find(dit.currentKey()) == filters.end()) - m_activefilters.remove(dit.currentKey()); - else - { - dit.current()->setOptions(opts); - ++dit; - } - } - // add needed filters - m_view->clear(); - TQListViewItem *item(0); - for (TQStringList::ConstIterator sit=filters.begin(); sit!=filters.end(); ++sit) - { - KXmlCommand *f(0); - if ((f=m_activefilters.find(*sit)) == 0) - { - f = KXmlCommandManager::self()->loadCommand(*sit); - if (f) - { - m_activefilters.insert(*sit,f); - f->setOptions(opts); - } - } - if (f) - item = new TQListViewItem(m_view,item,f->description(),f->name()); - } - checkFilterChain(); -} - -void KPFilterPage::getOptions(TQMap<TQString,TQString>& opts, bool incldef) -{ - TQStringList filters = activeList(); - for (TQStringList::ConstIterator it=filters.begin(); it!=filters.end(); ++it) - { - KXmlCommand *f = m_activefilters.find(*it); - if (f) - f->getOptions(opts, incldef); - } - if (filters.count() > 0 || incldef) - { - opts["_kde-filters"] = filters.join(","); - } -} - -TQStringList KPFilterPage::activeList() -{ - TQStringList list; - TQListViewItem *item = m_view->firstChild(); - while (item) - { - list.append(item->text(1)); - item = item->nextSibling(); - } - return list; -} - -KXmlCommand* KPFilterPage::currentFilter() -{ - KXmlCommand *filter(0); - if (m_view->selectedItem()) - filter = m_activefilters.find(m_view->selectedItem()->text(1)); - return filter; -} - -void KPFilterPage::checkFilterChain() -{ - TQListViewItem *item = m_view->firstChild(); - bool ok(true); - m_valid = true; - while (item) - { - item->setPixmap(0, (ok ? SmallIcon("filter") : SmallIcon("filterstop"))); - KXmlCommand *f1 = m_activefilters.find(item->text(1)); - if (f1 && item->nextSibling()) - { - KXmlCommand *f2 = m_activefilters.find(item->nextSibling()->text(1)); - if (f2) - { - if (!f2->acceptMimeType(f1->mimeType())) - { - item->setPixmap(0, SmallIcon("filterstop")); - ok = false; - m_valid = false; - } - else - ok = true; - } - } - item = item->nextSibling(); - } -} - -bool KPFilterPage::isValid(TQString& msg) -{ - if (!m_valid) - { - msg = i18n("<p>The filter chain is wrong. The output format of at least one filter is not supported by its follower. See <b>Filters</b> tab for more information.</p>"); - } - return m_valid; -} - -void KPFilterPage::updateInfo() -{ - TQString txt; - KXmlCommand *f = currentFilter(); - if (f) - { - TQString templ("<b>%1:</b> %2<br>"); - txt.append(templ.arg(i18n("Name")).arg(f->name())); - txt.append(templ.arg(i18n("Requirements")).arg(f->requirements().join(", "))); - txt.append(templ.arg(i18n("Input")).arg(f->inputMimeTypes().join(", "))); - txt.append(templ.arg(i18n("Output")).arg(f->mimeType())); - if ( !f->comment().isEmpty() ) - txt.append( "<br>" ).append( f->comment() ); - } - m_info->setText(txt); -} - -#include "kpfilterpage.moc" |