search line edit:

- save and get wether a search is running
- add a method to cancel a running one

svn path=/trunk/KDE/kdegraphics/okular/; revision=965457

ui/searchlineedit.cpp

@@ -24,7 +24,8 @@ SearchLineEdit::SearchLineEdit( QWidget * parent, Okular::Document * document )
     : KLineEdit( parent ), m_document( document ), m_minLength( 0 ),
       m_caseSensitivity( Qt::CaseInsensitive ),
       m_searchType( Okular::Document::AllDocument ), m_id( -1 ),
-      m_moveViewport( false ), m_changed( false ), m_fromStart( true )
+      m_moveViewport( false ), m_changed( false ), m_fromStart( true ),
+      m_searchRunning( false )
 {
     setObjectName( "SearchLineEdit" );
     setClearButtonShown( true );
@@ -87,6 +88,11 @@ void SearchLineEdit::setSearchFromStart( bool fromStart )
     m_fromStart = fromStart;
 }
 
+bool SearchLineEdit::isSearchRunning() const
+{
+    return m_searchRunning;
+}
+
 void SearchLineEdit::restartSearch()
 {
     m_inputDelayTimer->stop();
@@ -94,6 +100,18 @@ void SearchLineEdit::restartSearch()
     m_changed = true;
 }
 
+void SearchLineEdit::stopSearch()
+{
+    if ( m_id == -1 || !m_searchRunning )
+        return;
+
+    m_inputDelayTimer->stop();
+    // ### this should just cancel the search with id m_id, not all of them
+    m_document->cancelSearch();
+    // flagging as "changed" so the search will be reset at the next one
+    m_changed = true;
+}
+
 void SearchLineEdit::findNext()
 {
     if ( m_id == -1 || m_searchType != Okular::Document::NextMatch )
@@ -102,6 +120,7 @@ void SearchLineEdit::findNext()
     if ( !m_changed )
     {
         emit searchStarted();
+        m_searchRunning = true;
         m_document->continueSearch( m_id, m_searchType );
     }
     else
@@ -116,6 +135,7 @@ void SearchLineEdit::findPrev()
     if ( !m_changed )
     {
         emit searchStarted();
+        m_searchRunning = true;
         m_document->continueSearch( m_id, m_searchType );
     }
     else
@@ -157,6 +177,7 @@ void SearchLineEdit::startSearch()
     if ( thistext.length() >= qMax( m_minLength, 1 ) )
     {
         emit searchStarted();
+        m_searchRunning = true;
         m_document->searchText( m_id, thistext, m_fromStart, m_caseSensitivity,
                                 m_searchType, m_moveViewport, m_color );
     }
@@ -188,6 +209,7 @@ void SearchLineEdit::searchFinished( int id, Okular::Document::SearchStatus endS
         setPalette( pal );
     }
 
+    m_searchRunning = false;
     emit searchStopped();
 }
 

ui/searchlineedit.h

@@ -37,12 +37,15 @@ class SearchLineEdit : public KLineEdit
         void setSearchMoveViewport( bool move );
         void setSearchFromStart( bool fromStart );
 
+        bool isSearchRunning() const;
+
     signals:
         void searchStarted();
         void searchStopped();
 
     public slots:
         void restartSearch();
+        void stopSearch();
         void findNext();
         void findPrev();
 
@@ -57,6 +60,7 @@ class SearchLineEdit : public KLineEdit
         bool m_moveViewport;
         bool m_changed;
         bool m_fromStart;
+        bool m_searchRunning;
 
     private slots:
         void slotTextChanged( const QString & text );