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-rw-r--r--kregexpeditor/textwidget.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/kregexpeditor/textwidget.cpp b/kregexpeditor/textwidget.cpp
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+/*
+ * Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
+ *
+ * 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.
+ **/
+#ifndef QT_ONLY
+ #include "textwidget.moc"
+#endif
+
+#include "textwidget.h"
+#include "textregexp.h"
+#include "selectablelineedit.h"
+#include <qlayout.h>
+
+TextWidget::TextWidget(RegExpEditorWindow* editorWindow, QWidget *parent,
+ const char *name)
+ :RegExpWidget(editorWindow, parent, name)
+{
+ init( QString::fromLocal8Bit("") );
+}
+
+TextWidget::TextWidget( TextRegExp* regexp, RegExpEditorWindow* editorWindow,
+ QWidget* parent, const char* name )
+ : RegExpWidget( editorWindow, parent, name )
+{
+ init(regexp->text());
+}
+
+void TextWidget::init( const QString& txt )
+{
+ QHBoxLayout *lay = new QHBoxLayout(this);
+ _edit = new SelectableLineEdit( this, this, "TextWidget::edit" );
+ _edit->setDragEnabled( false ); //otherwise QLineEdit::mouseMoveEvent will set the cursor over and over again.
+ lay->addWidget(_edit);
+
+ _edit->setText( txt );
+
+ connect( _edit, SIGNAL( parentPleaseUpdate() ), this, SLOT(slotUpdate()) );
+ setFocusProxy( _edit );
+ _edit->installEventFilter( this );
+ connect( _edit, SIGNAL( textChanged( const QString & ) ), _editorWindow, SLOT( emitChange() ) );
+}
+
+
+void TextWidget::slotUpdate()
+{
+ // I need to force the parent to repaint, as the size change of this
+ // widget may not be enough for the parent to change size, and in that
+ // case the parent would not repaint, and the text widget would not be
+ // resized.
+ QWidget *p = static_cast<QWidget*>(parent());
+ if (p)
+ p->repaint();
+ _editorWindow->updateContent( this );
+}
+
+QSize TextWidget::sizeHint() const
+{
+ return _edit->sizeHint();
+}
+
+void TextWidget::paintEvent( QPaintEvent *e)
+{
+ RegExpWidget::paintEvent(e);
+}
+
+void TextWidget::selectWidget( bool sel )
+{
+ _edit->setSelected( sel );
+}
+
+bool TextWidget::updateSelection(bool parentSelected)
+{
+ bool changed = RegExpWidget::updateSelection( parentSelected );
+
+ // I need to call this function all the time, else the rubber band will
+ // not be correctly deleted in the line edit.
+ _edit->setSelected( _isSelected );
+ return changed;
+}
+void TextWidget::updateAll()
+{
+ _edit->update();
+ update();
+}
+
+void TextWidget::clearSelection()
+{
+ _isSelected = false;
+ _edit->setSelected( false );
+}
+
+RegExp* TextWidget::regExp() const
+{
+ return new TextRegExp( isSelected(), _edit->text() );
+}
+
+bool TextWidget::eventFilter( QObject*, QEvent* event)
+{
+ // This is an event filter (in contrast to methods in SelectableLineEdit),
+ // otherwise lots of functions would need to be exported from TextWidget.
+ if ( event->type() == QEvent::MouseButtonRelease ) {
+ if ( _editorWindow->isInserting() ) {
+ if ( acceptWidgetInsert( _editorWindow->insertType() ) ) {
+ mouseReleaseEvent( static_cast<QMouseEvent*>(event) );
+ }
+ return true;
+ }
+ }
+ else if ( event->type() == QEvent::MouseButtonPress ) {
+ if ( _editorWindow->isInserting() ) {
+ return true;
+ }
+ else if ( isSelected() ) {
+ QMouseEvent* e = static_cast<QMouseEvent*>( event );
+ QMouseEvent ev( event->type(), mapTo(_editorWindow, e->pos()),
+ e->button(), e->state());
+ QApplication::sendEvent( _editorWindow, &ev );
+ return true;
+ }
+ }
+
+ else if ( event->type() == QEvent::Enter ) {
+ if ( _editorWindow->isInserting() ) {
+ if ( acceptWidgetInsert( _editorWindow->insertType() ) ) {
+ _edit->setCursor(crossCursor);
+ }
+ else {
+ _edit->setCursor(forbiddenCursor);
+ }
+ }
+ else if ( isSelected() ) {
+ _edit->setCursor( arrowCursor );
+ }
+ else {
+ _edit->setCursor( ibeamCursor );
+ }
+ }
+ else if ( event->type() == QEvent::MouseButtonDblClick && _editorWindow->isInserting() ) {
+ return true;
+ }
+ return false;
+}
+
+