Added KDE3 version of kdesvn

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kdesvn@1103685 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 256 insertions, 0 deletions

diff --git a/src/ksvnwidgets/diffbrowser.cpp b/src/ksvnwidgets/diffbrowser.cpp
new file mode 100644
index 0000000..d1f7b6f
--- /dev/null
+++ b/src/ksvnwidgets/diffbrowser.cpp
@@ -0,0 +1,256 @@
+/***************************************************************************
+ *   Copyright (C) 2007 by Rajko Albrecht                                  *
+ *   [email protected]                                                   *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program 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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include "diffbrowser.h"
+#include "diffbrowserdata.h"
+#include "src/settings/kdesvnsettings.h"
+
+#include <kglobalsettings.h>
+#include <kglobal.h>
+#include <kdebug.h>
+#include <kfiledialog.h>
+#include <kmessagebox.h>
+#include <kapplication.h>
+#include <klocale.h>
+
+#include <qfont.h>
+#include <qtooltip.h>
+#include <qwhatsthis.h>
+#include <qtextcodec.h>
+
+/*!
+    \fn DiffBrowser::DiffBrowser(QWidget*parent=0,const char*name=0)
+ */
+DiffBrowser::DiffBrowser(QWidget*parent,const char*name)
+    : KTextBrowser( parent, name)
+{
+    setTextFormat(Qt::PlainText);
+    setFont(KGlobalSettings::fixedFont());
+    m_Data = new DiffBrowserData;
+
+    setWordWrap(QTextEdit::NoWrap);
+    m_Data->m_Syntax = new DiffSyntax(this);
+    QToolTip::add(this,i18n("Ctrl-F for search, F3 or Shift-F3 for search again."));
+    QWhatsThis::add(this,i18n("<b>Display differences between files</b><p>You may search inside text with Ctrl-F.</p><p>F3 for search forward again, Shift-F3 for search backward again.</p><p>You may save the (original) output with Ctrl-S.</p>"));
+    setFocus();
+}
+
+/*!
+    \fn DiffBrowser::~DiffBrowser()
+ */
+ DiffBrowser::~DiffBrowser()
+{
+    delete m_Data;
+}
+
+void DiffBrowser::setText(const QString&aText)
+{
+    m_Data->m_content.setRawData(aText.local8Bit(),aText.local8Bit().size());
+    KTextBrowser::setText(aText);
+    setCursorPosition(0,0);
+}
+
+void DiffBrowser::setText(const QByteArray&aText)
+{
+    m_Data->m_content=aText;
+    printContent();
+    setCursorPosition(0,0);
+}
+
+void DiffBrowser::printContent()
+{
+    QTextCodec * cc = QTextCodec::codecForName(Kdesvnsettings::locale_for_diff());
+    if (!cc) {
+        KTextBrowser::setText(QString::fromLocal8Bit(m_Data->m_content,m_Data->m_content.size()));
+    } else {
+        KTextBrowser::setText(cc->toUnicode(m_Data->m_content,m_Data->m_content.size()));
+    }
+}
+
+/*!
+    \fn DiffBrowser::saveDiff()
+ */
+void DiffBrowser::saveDiff()
+{
+    QString saveTo = KFileDialog::getSaveFileName(QString::null,"text/x-diff");
+    if (saveTo.isEmpty()) {
+        return;
+    }
+    QFile tfile(saveTo);
+    if (tfile.exists()) {
+        if (KMessageBox::warningYesNo(KApplication::activeModalWidget(),
+                                     i18n("File %1 exists - overwrite?").arg(saveTo))
+            !=KMessageBox::Yes) {
+            return;
+        }
+    }
+    tfile.open(IO_Truncate|IO_WriteOnly|IO_Raw);
+    QDataStream stream( &tfile );
+    stream.writeRawBytes(m_Data->m_content.data(),m_Data->m_content.size());
+}
+
+void DiffBrowser::keyPressEvent(QKeyEvent*ev)
+{
+    if ( ev->key() == Key_Return) {
+        ev->ignore();
+        return;
+    }
+    if (ev->key() == Key_F3) {
+        if (ev->state() == ShiftButton) {
+            searchagainback_slot();
+        } else {
+            searchagain_slot();
+        }
+    } else if (ev->key()==Key_F && ev->state() == ControlButton) {
+        startSearch();
+    } else if (ev->key()==Key_S && ev->state() == ControlButton) {
+        saveDiff();
+    } else {
+        KTextBrowser::keyPressEvent(ev);
+    }
+}
+
+void DiffBrowser::startSearch()
+{
+    if( !m_Data->srchdialog ) {
+        m_Data->srchdialog = new KEdFind( this, "searchdialog", false);
+        connect(m_Data->srchdialog,SIGNAL(search()),this,SLOT(search_slot()));
+        connect(m_Data->srchdialog,SIGNAL(done()),this,SLOT(searchdone_slot()));
+    }
+    QString _st = m_Data->srchdialog->getText();
+    m_Data->srchdialog->setText(_st.isEmpty() ? m_Data->pattern : _st);
+    m_Data->srchdialog->show();
+    m_Data->srchdialog->result();
+}
+
+/*!
+    \fn DiffBrowser::search_slot()
+ */
+void DiffBrowser::search_slot()
+{
+    if( !m_Data->srchdialog ) {
+        return;
+    }
+    QString to_find_string = m_Data->srchdialog->getText();
+    doSearch(to_find_string,m_Data->srchdialog->case_sensitive(),m_Data->srchdialog->get_direction());
+}
+
+void DiffBrowser::doSearch(const QString&to_find_string,bool case_sensitive,bool back)
+{
+    if( !m_Data->srchdialog ) {
+        return;
+    }
+    int line, col;
+    getCursorPosition(&line,&col);
+    if (m_Data->last_search != DiffBrowserData::NONE && !back) {
+        col = col+1;
+    }
+    while (1) {
+        bool result = find(to_find_string,case_sensitive,false,
+                        (!back),&line,&col);
+
+        if (result) {
+            m_Data->last_search = back?DiffBrowserData::BACKWARD:DiffBrowserData::FORWARD;
+            m_Data->pattern=to_find_string;
+            break;
+        }
+        QWidget * _parent = m_Data->srchdialog->isVisible()?m_Data->srchdialog:parentWidget();
+        if (!m_Data->srchdialog->get_direction()) {
+            // forward
+            int query = KMessageBox::questionYesNo(
+                    _parent,
+                    i18n("End of document reached.\n"\
+                            "Continue from the beginning?"),
+                            i18n("Find"),KStdGuiItem::cont(),i18n("Stop"));
+            if (query == KMessageBox::Yes){
+                line = 0;
+                col = 0;
+                m_Data->last_search = DiffBrowserData::FORWARD;
+            } else {
+                break;
+            }
+        } else {
+            int query = KMessageBox::questionYesNo(
+                    _parent,
+                    i18n("Beginning of document reached.\n"\
+                            "Continue from the end?"),
+                            i18n("Find"),KStdGuiItem::cont(),i18n("Stop"));
+            if (query == KMessageBox::Yes){
+                line = lines()-1;
+                QString string = text(line);
+                col  = string.length();
+                if (col>0) {
+                    --col;
+                }
+                m_Data->last_search = DiffBrowserData::BACKWARD;
+            } else {
+                break;
+            }
+        }
+    }
+}
+
+/*!
+    \fn DiffBrowser::searchdone_slot()
+ */
+void DiffBrowser::searchdone_slot()
+{
+    if (!m_Data->srchdialog)
+        return;
+
+    m_Data->srchdialog->hide();
+    setFocus();
+    m_Data->last_finished_search = m_Data->last_search;
+    m_Data->last_search = DiffBrowserData::NONE;
+    m_Data->cs = m_Data->srchdialog->case_sensitive();
+}
+
+void DiffBrowser::searchagain_slot()
+{
+    doSearchAgain(false);
+}
+
+void DiffBrowser::searchagainback_slot()
+{
+    doSearchAgain(true);
+}
+
+void DiffBrowser::doSearchAgain(bool back)
+{
+    if (!m_Data->srchdialog || m_Data->pattern.isEmpty()) {
+        startSearch();
+    } else {
+        m_Data->last_search = m_Data->last_finished_search;
+        doSearch(m_Data->pattern,m_Data->cs,back);
+        m_Data->last_finished_search = m_Data->last_search;
+        m_Data->last_search = DiffBrowserData::NONE;
+    }
+}
+
+void DiffBrowser::slotTextCodecChanged(const QString&codec)
+{
+    if (Kdesvnsettings::locale_for_diff()!=codec) {
+        Kdesvnsettings::setLocale_for_diff(codec);
+        printContent();
+        Kdesvnsettings::self()->writeConfig();
+    }
+}
+
+#include "diffbrowser.h.moc"