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505 lines
14 KiB
505 lines
14 KiB
/*
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* Copyright (C) 1999-2002 Bernd Gehrmann
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* bernd@mail.berlios.de
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "diffdlg.h"
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#include <tqpushbutton.h>
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#include <tqcheckbox.h>
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#include <tqcombobox.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqkeycode.h>
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#include <tqfileinfo.h>
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#include <tqregexp.h>
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#include <tdeconfig.h>
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#include <tdefiledialog.h>
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#include <tdelocale.h>
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#include <tdemessagebox.h>
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#include <tdetempfile.h>
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#include <kprocess.h>
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#include "cvsservice_stub.h"
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#include "repository_stub.h"
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#include "misc.h"
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#include "progressdlg.h"
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#include "diffview.h"
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DiffDialog::DiffDialog(TDEConfig& cfg, TQWidget *parent, const char *name, bool modal)
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: KDialogBase(parent, name, modal, TQString(),
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Close | Help | User1, Close, true, KStdGuiItem::saveAs())
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, partConfig(cfg)
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{
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items.setAutoDelete(true);
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markeditem = -1;
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TQFrame* mainWidget = makeMainWidget();
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TQBoxLayout *layout = new TQVBoxLayout(mainWidget, 0, spacingHint());
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TQGridLayout *pairlayout = new TQGridLayout(layout);
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pairlayout->setRowStretch(0, 0);
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pairlayout->setRowStretch(1, 1);
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pairlayout->setColStretch(1, 0);
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pairlayout->addColSpacing(1, 16);
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pairlayout->setColStretch(0, 10);
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pairlayout->setColStretch(2, 10);
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revlabel1 = new TQLabel(mainWidget);
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pairlayout->addWidget(revlabel1, 0, 0);
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revlabel2 = new TQLabel(mainWidget);
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pairlayout->addWidget(revlabel2, 0, 2);
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diff1 = new DiffView(cfg, true, false, mainWidget);
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diff2 = new DiffView(cfg, true, true, mainWidget);
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DiffZoomWidget *zoom = new DiffZoomWidget(cfg, mainWidget);
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zoom->setDiffView(diff2);
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pairlayout->addWidget(diff1, 1, 0);
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pairlayout->addWidget(zoom, 1, 1);
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pairlayout->addWidget(diff2, 1, 2);
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diff1->setPartner(diff2);
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diff2->setPartner(diff1);
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syncbox = new TQCheckBox(i18n("Synchronize scroll bars"), mainWidget);
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syncbox->setChecked(true);
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connect( syncbox, TQ_SIGNAL(toggled(bool)),
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this, TQ_SLOT(toggleSynchronize(bool)) );
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itemscombo = new TQComboBox(mainWidget);
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itemscombo->insertItem(TQString());
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connect( itemscombo, TQ_SIGNAL(activated(int)),
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this, TQ_SLOT(comboActivated(int)) );
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nofnlabel = new TQLabel(mainWidget);
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// avoids auto resize when the text is changed
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nofnlabel->setMinimumWidth(fontMetrics().width(i18n("%1 differences").arg(10000)));
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backbutton = new TQPushButton(TQString::fromLatin1("&<<"), mainWidget);
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connect( backbutton, TQ_SIGNAL(clicked()), TQ_SLOT(backClicked()) );
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forwbutton = new TQPushButton(TQString::fromLatin1("&>>"), mainWidget);
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connect( forwbutton, TQ_SIGNAL(clicked()), TQ_SLOT(forwClicked()) );
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connect( this, TQ_SIGNAL(user1Clicked()), TQ_SLOT(saveAsClicked()) );
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TQBoxLayout *buttonlayout = new TQHBoxLayout(layout);
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buttonlayout->addWidget(syncbox, 0);
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buttonlayout->addStretch(4);
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buttonlayout->addWidget(itemscombo);
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buttonlayout->addStretch(1);
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buttonlayout->addWidget(nofnlabel);
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buttonlayout->addStretch(1);
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buttonlayout->addWidget(backbutton);
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buttonlayout->addWidget(forwbutton);
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setHelp("diff");
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setWFlags(TQt::WDestructiveClose | getWFlags());
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TQSize size = configDialogSize(partConfig, "DiffDialog");
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resize(size);
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TDEConfigGroupSaver cs(&partConfig, "DiffDialog");
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syncbox->setChecked(partConfig.readBoolEntry("Sync"));
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}
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DiffDialog::~DiffDialog()
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{
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saveDialogSize(partConfig, "DiffDialog");
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TDEConfigGroupSaver cs(&partConfig, "DiffDialog");
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partConfig.writeEntry("Sync", syncbox->isChecked());
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}
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void DiffDialog::keyPressEvent(TQKeyEvent *e)
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{
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switch (e->key())
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{
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case Key_Up:
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diff1->up();
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diff2->up();
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break;
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case Key_Down:
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diff1->down();
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diff2->down();
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break;
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case Key_Next:
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diff1->next();
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diff2->next();
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break;
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case Key_Prior:
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diff1->prior();
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diff2->prior();
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break;
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default:
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KDialogBase::keyPressEvent(e);
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}
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}
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void DiffDialog::toggleSynchronize(bool b)
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{
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diff1->setPartner(b? diff2 : 0);
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diff2->setPartner(b? diff1 : 0);
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}
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void DiffDialog::comboActivated(int index)
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{
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updateHighlight(index-1);
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}
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static void interpretRegion(TQString line, int *linenoA, int *linenoB)
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{
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TQRegExp region( "^@@ -([0-9]+),([0-9]+) \\+([0-9]+),([0-9]+) @@.*$" );
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if (!region.exactMatch(line))
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return;
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*linenoA = region.cap(1).toInt() - 1;
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*linenoB = region.cap(3).toInt() - 1;
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}
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static TQString regionAsString(int linenoA, int linecountA, int linenoB, int linecountB)
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{
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int lineendA = linenoA+linecountA-1;
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int lineendB = linenoB+linecountB-1;
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TQString res;
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if (linecountB == 0)
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res = TQString("%1,%2d%3").arg(linenoA).arg(lineendA).arg(linenoB-1);
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else if (linecountA == 0)
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res = TQString("%1a%2,%3").arg(linenoA-1).arg(linenoB).arg(lineendB);
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else if (linenoA == lineendA)
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if (linenoB == lineendB)
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res = TQString("%1c%2").arg(linenoA).arg(linenoB);
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else
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res = TQString("%1c%2,%3").arg(linenoA).arg(linenoB).arg(lineendB);
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else if (linenoB == lineendB)
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res = TQString("%1,%2c%3").arg(linenoA).arg(lineendA).arg(linenoB);
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else
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res = TQString("%1,%2c%3,%4").arg(linenoA).arg(lineendA).arg(linenoB).arg(lineendB);
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return res;
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}
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class DiffItem
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{
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public:
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DiffView::DiffType type;
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int linenoA, linecountA;
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int linenoB, linecountB;
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};
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bool DiffDialog::parseCvsDiff(CvsService_stub* service, const TQString& fileName,
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const TQString &revA, const TQString &revB)
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{
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TQStringList linesA, linesB;
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int linenoA, linenoB;
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setCaption(i18n("CVS Diff: %1").arg(fileName));
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revlabel1->setText( revA.isEmpty()?
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i18n("Repository:")
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: i18n("Revision ")+revA+":" );
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revlabel2->setText( revB.isEmpty()?
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i18n("Working dir:")
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: i18n("Revision ")+revB+":" );
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TDEConfigGroupSaver cs(&partConfig, "General");
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// Ok, this is a hack: When the user wants an external diff
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// front end, it is executed from here. Of course, in that
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// case this dialog wouldn't have to be created in the first
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// place, but this design at least makes the handling trans-
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// parent for the calling routines
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TQString extdiff = partConfig.readPathEntry("ExternalDiff");
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if (!extdiff.isEmpty())
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{
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callExternalDiff(extdiff, service, fileName, revA, revB);
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return false;
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}
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const TQString diffOptions = partConfig.readEntry("DiffOptions");
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const unsigned contextLines = partConfig.readUnsignedNumEntry("ContextLines", 65535);
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DCOPRef job = service->diff(fileName, revA, revB, diffOptions, contextLines);
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if( !service->ok() )
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return false;
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ProgressDialog dlg(this, "Diff", job, "diff", i18n("CVS Diff"));
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if( !dlg.execute() )
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return false;
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// remember diff output for "save as" action
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m_diffOutput = dlg.getOutput();
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TQString line;
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while ( dlg.getLine(line) && !line.startsWith("+++"))
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;
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linenoA = linenoB = 0;
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while ( dlg.getLine(line) )
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{
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// line contains diff region?
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if (line.startsWith("@@"))
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{
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interpretRegion(line, &linenoA, &linenoB);
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diff1->addLine(line, DiffView::Separator);
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diff2->addLine(line, DiffView::Separator);
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continue;
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}
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if (line.length() < 1)
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continue;
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TQChar marker = line[0];
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line.remove(0, 1);
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if (marker == '-')
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linesA.append(line);
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else if (marker == '+')
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linesB.append(line);
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else
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{
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if (!linesA.isEmpty() || !linesB.isEmpty())
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{
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newDiffHunk(linenoA, linenoB, linesA, linesB);
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linesA.clear();
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linesB.clear();
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}
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diff1->addLine(line, DiffView::Unchanged, ++linenoA);
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diff2->addLine(line, DiffView::Unchanged, ++linenoB);
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}
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}
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if (!linesA.isEmpty() || !linesB.isEmpty())
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newDiffHunk(linenoA, linenoB, linesA, linesB);
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// sets the right size as there is no more auto resize in TQComboBox
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itemscombo->adjustSize();
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updateNofN();
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return true;
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}
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void DiffDialog::newDiffHunk(int& linenoA, int& linenoB,
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const TQStringList& linesA, const TQStringList& linesB)
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{
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DiffItem *item = new DiffItem;
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item->linenoA = linenoA+1;
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item->linenoB = linenoB+1;
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item->linecountA = linesA.count();
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item->linecountB = linesB.count();
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items.append(item);
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const TQString region = regionAsString(linenoA+1, linesA.count(),
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linenoB+1, linesB.count());
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itemscombo->insertItem(region);
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TQStringList::ConstIterator itA = linesA.begin();
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TQStringList::ConstIterator itB = linesB.begin();
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while (itA != linesA.end() || itB != linesB.end())
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{
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if (itA != linesA.end())
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{
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diff1->addLine(*itA, DiffView::Neutral, ++linenoA);
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if (itB != linesB.end())
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diff2->addLine(*itB, DiffView::Change, ++linenoB);
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else
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diff2->addLine("", DiffView::Delete);
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}
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else
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{
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diff1->addLine("", DiffView::Neutral);
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diff2->addLine(*itB, DiffView::Insert, ++linenoB);
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}
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if (itA != linesA.end())
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++itA;
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if (itB != linesB.end())
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++itB;
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}
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}
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void DiffDialog::callExternalDiff(const TQString& extdiff, CvsService_stub* service,
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const TQString& fileName, const TQString &revA,
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const TQString &revB)
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{
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TQString extcmdline = extdiff;
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extcmdline += " ";
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// create suffix for temporary file (used TQFileInfo to remove path from file name)
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const TQString suffix = "-" + TQFileInfo(fileName).fileName();
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DCOPRef job;
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if (!revA.isEmpty() && !revB.isEmpty())
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{
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// We're comparing two revisions
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TQString revAFilename = tempFileName(suffix+TQString("-")+revA);
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TQString revBFilename = tempFileName(suffix+TQString("-")+revB);
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// download the files for revision A and B
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job = service->downloadRevision(fileName, revA, revAFilename,
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revB, revBFilename);
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if( !service->ok() )
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return;
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extcmdline += TDEProcess::quote(revAFilename);
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extcmdline += " ";
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extcmdline += TDEProcess::quote(revBFilename);
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}
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else
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{
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// We're comparing to a file, and perhaps one revision
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TQString revAFilename = tempFileName(suffix+TQString("-")+revA);
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job = service->downloadRevision(fileName, revA, revAFilename);
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if( !service->ok() )
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return;
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extcmdline += TDEProcess::quote(revAFilename);
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extcmdline += " ";
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extcmdline += TDEProcess::quote(TQFileInfo(fileName).absFilePath());
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}
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ProgressDialog dlg(this, "Diff", job, "diff");
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if( dlg.execute() )
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{
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// call external diff application
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// TODO CL maybe use system()?
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TDEProcess proc;
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proc.setUseShell(true, "/bin/sh");
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proc << extcmdline;
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proc.start(TDEProcess::DontCare);
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}
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}
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void DiffDialog::updateNofN()
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{
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TQString str;
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if (markeditem >= 0)
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str = i18n("%1 of %2").arg(markeditem+1).arg(items.count());
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else
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str = i18n("%1 differences").arg(items.count());
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nofnlabel->setText(str);
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itemscombo->setCurrentItem(markeditem==-2? 0 : markeditem+1);
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backbutton->setEnabled(markeditem != -1);
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forwbutton->setEnabled(markeditem != -2 && items.count());
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}
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void DiffDialog::updateHighlight(int newitem)
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{
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if (markeditem >= 0)
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{
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DiffItem *item = items.at(markeditem);
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for (int i = item->linenoA; i < item->linenoA+item->linecountA; ++i)
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diff1->setInverted(i, false);
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for (int i = item->linenoB; i < item->linenoB+item->linecountB; ++i)
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diff2->setInverted(i, false);
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}
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markeditem = newitem;
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if (markeditem >= 0)
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{
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DiffItem *item = items.at(markeditem);
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for (int i = item->linenoA; i < item->linenoA+item->linecountA; ++i)
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diff1->setInverted(i, true);
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for (int i = item->linenoB; i < item->linenoB+item->linecountB; ++i)
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diff2->setInverted(i, true);
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diff1->setCenterLine(item->linenoA);
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diff2->setCenterLine(item->linenoB);
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}
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diff1->repaint();
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diff2->repaint();
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updateNofN();
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}
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void DiffDialog::backClicked()
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{
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int newitem;
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if (markeditem == -1)
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return; // internal error (button not disabled)
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else if (markeditem == -2) // past end
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newitem = items.count()-1;
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else
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newitem = markeditem-1;
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updateHighlight(newitem);
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}
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void DiffDialog::forwClicked()
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{
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int newitem;
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if (markeditem == -2 || (markeditem == -1 && !items.count()))
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return; // internal error (button not disabled)
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else if (markeditem+1 == (int)items.count()) // past end
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newitem = -2;
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else
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newitem = markeditem+1;
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updateHighlight(newitem);
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}
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void DiffDialog::saveAsClicked()
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{
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TQString fileName = KFileDialog::getSaveFileName(TQString(), TQString(), this);
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if( fileName.isEmpty() )
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return;
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if( !Cervisia::CheckOverwrite(fileName, this) )
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return;
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TQFile f(fileName);
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if( !f.open(IO_WriteOnly) )
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{
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KMessageBox::sorry(this,
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i18n("Could not open file for writing."),
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"Cervisia");
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return;
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}
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TQTextStream ts(&f);
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TQStringList::Iterator it = m_diffOutput.begin();
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for( ; it != m_diffOutput.end(); ++it )
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ts << *it << "\n";
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f.close();
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}
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#include "diffdlg.moc"
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