Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 198 insertions, 0 deletions

diff --git a/klinkstatus/src/ui/klshistorycombo.cpp b/klinkstatus/src/ui/klshistorycombo.cpp
new file mode 100644
index 00000000..36deb385
--- /dev/null
+++ b/klinkstatus/src/ui/klshistorycombo.cpp
@@ -0,0 +1,198 @@
+//
+// C++ Implementation: klshistorycombo
+//
+// Description:
+//
+//
+// Author: Paulo Moura Guedes <[email protected]>, (C) 2004
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+#include "klshistorycombo.h"
+#include "klsconfig.h"
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kcompletionbox.h>
+#include <kdebug.h>
+#include <kstdaccel.h>
+#include <kurldrag.h>
+#include <kglobalsettings.h>
+
+
+bool KLSHistoryCombo::items_saved_ = false;
+
+
+KLSHistoryCombo::KLSHistoryCombo(QWidget *parent, const char *name)
+        : KHistoryCombo(parent, name)
+{
+    setMaxCount(KLSConfig::maxCountComboUrl());
+    
+    setDuplicatesEnabled(false);
+    setAutoCompletion(false);
+
+    connect(this, SIGNAL(activated(const QString& )),
+            this, SLOT(addToHistory(const QString& )));
+}
+
+KLSHistoryCombo::~KLSHistoryCombo()
+{}
+
+void KLSHistoryCombo::init()
+{
+    loadItems();
+}
+
+void KLSHistoryCombo::saveItems()
+{
+    if(items_saved_)
+        return;
+
+    QStringList items = historyItems();
+
+    KLSConfig::setComboUrlHistory(items);
+    KLSConfig::writeConfig();
+    
+    items_saved_ = true;
+}
+
+void KLSHistoryCombo::loadItems()
+{
+    clear();
+    
+    QStringList items = KLSConfig::comboUrlHistory();
+
+    bool block = signalsBlocked();
+    blockSignals( true );
+
+    setHistoryItems(items);
+    blockSignals(block);
+
+    completionObject()->setItems(items);
+
+    setCompletionMode(KGlobalSettings::completionMode());
+}
+
+bool KLSHistoryCombo::eventFilter( QObject *o, QEvent *ev )
+{
+    // Handle Ctrl+Del/Backspace etc better than the Qt widget, which always
+    // jumps to the next whitespace.
+    QLineEdit *edit = lineEdit();
+    if ( o == edit )
+    {
+        int type = ev->type();
+        if ( type == QEvent::KeyPress )
+        {
+            QKeyEvent *e = static_cast<QKeyEvent *>( ev );
+
+            if ( e->key() == Key_Return || e->key() == Key_Enter )
+            {
+                //m_modifier = e->state();
+                return false;
+            }
+
+            int delete_word_back = KStdAccel::deleteWordBack().keyCodeQt();
+            int delete_word_forward = KStdAccel::deleteWordForward().keyCodeQt();
+
+            if ( KKey( e ) == KKey(delete_word_back) ||
+                    KKey( e ) == KKey(delete_word_forward) ||
+                    ((e->state() & ControlButton) &&
+                     (e->key() == Key_Left || e->key() == Key_Right) ) )
+            {
+                selectWord(e);
+                e->accept();
+                return true;
+            }
+        }
+
+        else if ( type == QEvent::MouseButtonDblClick )
+        {
+            edit->selectAll();
+            return true;
+        }
+    }
+    return KComboBox::eventFilter( o, ev );
+}
+
+/*
+   Handle Ctrl+Cursor etc better than the Qt widget, which always
+   jumps to the next whitespace. This code additionally jumps to
+   the next [/#?:], which makes more sense for URLs. The list of 
+   chars that will stop the cursor are '/', '.', '?', '#', ':'.
+*/
+void KLSHistoryCombo::selectWord(QKeyEvent *e)
+{
+    QLineEdit* edit = lineEdit();
+    QString text = edit->text();
+    int pos = edit->cursorPosition();
+    int pos_old = pos;
+    int count = 0;
+
+    // TODO: make these a parameter when in kdelibs/kdeui...
+    QValueList<QChar> chars;
+    chars << QChar('/') << QChar('.') << QChar('?') << QChar('#') << QChar(':');
+    bool allow_space_break = true;
+
+    if( e->key() == Key_Left || e->key() == Key_Backspace )
+    {
+        do
+        {
+            pos--;
+            count++;
+            if( allow_space_break && text[pos].isSpace() && count > 1 )
+                break;
+        }
+        while( pos >= 0 && (chars.findIndex(text[pos]) == -1 || count <= 1) );
+
+        if( e->state() & ShiftButton )
+        {
+            edit->cursorForward(true, 1-count);
+        }
+        else if(  e->key() == Key_Backspace )
+        {
+            edit->cursorForward(false, 1-count);
+            QString text = edit->text();
+            int pos_to_right = edit->text().length() - pos_old;
+            QString cut = text.left(edit->cursorPosition()) + text.right(pos_to_right);
+            edit->setText(cut);
+            edit->setCursorPosition(pos_old-count+1);
+        }
+        else
+        {
+            edit->cursorForward(false, 1-count);
+        }
+    }
+    else if( e->key() == Key_Right || e->key() == Key_Delete )
+    {
+        do
+        {
+            pos++;
+            count++;
+            if( allow_space_break && text[pos].isSpace() )
+                break;
+        }
+        while( pos < (int) text.length() && chars.findIndex(text[pos]) == -1 );
+
+        if( e->state() & ShiftButton )
+        {
+            edit->cursorForward(true, count+1);
+        }
+        else if(  e->key() == Key_Delete )
+        {
+            edit->cursorForward(false, -count-1);
+            QString text = edit->text();
+            int pos_to_right = text.length() - pos - 1;
+            QString cut = text.left(pos_old) +
+                          (pos_to_right > 0 ? text.right(pos_to_right) : QString() );
+            edit->setText(cut);
+            edit->setCursorPosition(pos_old);
+        }
+        else
+        {
+            edit->cursorForward(false, count+1);
+        }
+    }
+}
+
+#include "klshistorycombo.moc"