allow setting stemlang from prefs menu

src/qtgui/rclmain.ui

@@ -82,18 +82,19 @@
         <separator/>
         <action name="fileExitAction"/>
     </item>
-    <item text="&amp;Tools" name="Tools">
+    <item text="&amp;Tools" name="toolsMenu">
         <action name="toolsDoc_HistoryAction"/>
         <action name="toolsAdvanced_SearchAction"/>
         <action name="toolsSort_parametersAction"/>
         <action name="toolsSpellAction"/>
     </item>
-    <item text="&amp;Preferences" name="Preferences">
+    <item text="&amp;Preferences" name="preferencesMenu">
         <action name="preferencesQuery_PrefsAction"/>
         <action name="extIdxAction"/>
+	<separator/>
     </item>
     <separator/>
-    <item text="&amp;Help" name="Help">
+    <item text="&amp;Help" name="helpMenu">
         <action name="userManualAction"/>
         <separator/>
         <action name="helpAbout_RecollAction"/>

src/qtgui/rclmain_w.cpp

@@ -1,5 +1,5 @@
 #ifndef lint
-static char rcsid[] = "@(#$Id: rclmain_w.cpp,v 1.36 2007-07-20 14:32:55 dockes Exp $ (C) 2005 J.F.Dockes";
+static char rcsid[] = "@(#$Id: rclmain_w.cpp,v 1.37 2007-08-01 07:55:03 dockes Exp $ (C) 2005 J.F.Dockes";
 #endif
 /*
  *   This program is free software; you can redistribute it and/or modify
@@ -107,10 +107,42 @@ void RclMain::init()
 	resList->setFont(nfont);
     }
 
+    // Stemming language menu
+    m_idNoStem = preferencesMenu->insertItem(tr("(no stemming)"));
+    m_stemLangToId[tr("(no stemming)")] = m_idNoStem;
+
+    LOGDEB(("idNoStem: %d\n", m_idNoStem));
+    // Can't get the stemming languages from the db at this stage as
+    // db not open yet (the case where it does not even exist makes
+    // things complicated). So get the languages from the config
+    // instead
+    string slangs;
+    list<string> langs;
+    if (rclconfig->getConfParam("indexstemminglanguages", slangs)) {
+	stringToStrings(slangs, langs);
+    } else {
+	QMessageBox::warning(0, "Recoll", 
+			     tr("error retrieving stemming languages"));
+    }
+    int curid = m_idNoStem, id; // Menu ids are negative integers
+    for (list<string>::const_iterator it = langs.begin(); 
+	 it != langs.end(); it++) {
+	QString qlang = QString::fromAscii(it->c_str(), it->length());
+	id = preferencesMenu->insertItem(qlang);
+	m_stemLangToId[qlang] = id;
+	if (prefs.queryStemLang == qlang) {
+	    curid = id;
+	}
+    }
+    preferencesMenu->setItemChecked(curid, true);
+
     // Connections
     connect(sSearch, SIGNAL(startSearch(RefCntr<Rcl::SearchData>)), 
 		this, SLOT(startSearch(RefCntr<Rcl::SearchData>)));
-
+    connect(preferencesMenu, SIGNAL(activated(int)),
+	    this, SLOT(setStemLang(int)));
+    connect(preferencesMenu, SIGNAL(aboutToShow()),
+	    this, SLOT(adjustPrefsMenu()));
     // signals and slots connections
     connect(sSearch, SIGNAL(clearSearch()),
 	    this, SLOT(resetSearch()));
@@ -190,6 +222,68 @@ void RclMain::init()
     }
 }
 
+void RclMain::setStemLang(int id)
+{
+    LOGDEB(("RclMain::setStemLang(%d)\n", id));
+    // Check that the menu entry is for a stemming language change
+    // (might also be "show prefs" etc.
+    bool isLangId = false;
+    for (map<QString, int>::const_iterator it = m_stemLangToId.begin();
+	 it != m_stemLangToId.end(); it++) {
+	if (id == it->second)
+	    isLangId = true;
+    }
+    if (!isLangId)
+	return;
+
+    // Set the "checked" item state for lang entries
+    for (map<QString, int>::const_iterator it = m_stemLangToId.begin();
+	 it != m_stemLangToId.end(); it++) {
+	preferencesMenu->setItemChecked(it->second, false);
+    }
+    preferencesMenu->setItemChecked(id, true);
+
+    // Retrieve language value (also handle special cases), set prefs,
+    // notify that we changed
+    QString lang;
+    if (id == m_idNoStem) {
+	lang = "";
+    } else {
+	lang = preferencesMenu->text(id);
+    }
+    prefs.queryStemLang = lang;
+    LOGDEB(("RclMain::setStemLang(%d): lang [%s]\n", 
+	    id, (const char *)prefs.queryStemLang.ascii()));
+    rwSettings(true);
+    emit stemLangChanged(lang);
+}
+
+// Set the checked stemming language item before showing the prefs menu
+void RclMain::setStemLang(const QString& lang)
+{
+    LOGDEB(("RclMain::setStemLang(%s)\n", (const char *)lang.ascii()));
+    int id;
+    if (lang == "") {
+	id = m_idNoStem;
+    } else {
+	map<QString, int>::iterator it = m_stemLangToId.find(lang);
+	if (it == m_stemLangToId.end()) 
+	    return;
+	id = it->second;
+    }
+    for (map<QString, int>::const_iterator it = m_stemLangToId.begin();
+	 it != m_stemLangToId.end(); it++) {
+	preferencesMenu->setItemChecked(it->second, false);
+    }
+    preferencesMenu->setItemChecked(id, true);
+}
+
+// Prefs menu about to show
+void RclMain::adjustPrefsMenu()
+{
+    setStemLang(prefs.queryStemLang);
+}
+
 void RclMain::closeEvent( QCloseEvent * )
 {
     fileExit();
@@ -393,6 +487,8 @@ void RclMain::showUIPrefs()
     if (uiprefs == 0) {
 	uiprefs = new UIPrefsDialog(0);
 	connect(uiprefs, SIGNAL(uiprefsDone()), this, SLOT(setUIPrefs()));
+	connect(this, SIGNAL(stemLangChanged(const QString&)), 
+		uiprefs, SLOT(setStemLang(const QString&)));
     } else {
 	// Close and reopen, in hope that makes us visible...
 	uiprefs->close();

src/qtgui/rclmain_w.h

@@ -67,7 +67,6 @@ public:
     }
     ~RclMain() {}
 
-
 public slots:
     virtual bool close();
     virtual void fileExit();
@@ -99,6 +98,14 @@ public slots:
     virtual void previewExposed(Preview *, int sid, int docnum);
     virtual void resetSearch();
     virtual void eraseDocHistory();
+    // Callback for setting the stemming language through the prefs menu
+    virtual void setStemLang(int id);
+    // Prefs menu about to show, set the checked lang entry
+    virtual void adjustPrefsMenu();
+
+signals:
+    void stemLangChanged(const QString& lang);
+
 protected:
     virtual void closeEvent( QCloseEvent * );
 
@@ -117,9 +124,13 @@ private:
     // Serial number of current search for this process.
     // Used to match to preview windows
     int                      m_searchId; 
+    map<QString, int>        m_stemLangToId;
+    int                      m_idNoStem;
+
     virtual void init();
     virtual void previewPrevOrNextInTab(Preview *, int sid, int docnum, 
 					bool next);
+    virtual void setStemLang(const QString& lang);
 };
 
 #endif // RCLMAIN_W_H

src/qtgui/uiprefs_w.cpp

@@ -1,5 +1,5 @@
 #ifndef lint
-static char rcsid[] = "@(#$Id: uiprefs_w.cpp,v 1.19 2007-07-12 10:13:37 dockes Exp $ (C) 2005 J.F.Dockes";
+static char rcsid[] = "@(#$Id: uiprefs_w.cpp,v 1.20 2007-08-01 07:55:03 dockes Exp $ (C) 2005 J.F.Dockes";
 #endif
 /*
  *   This program is free software; you can redistribute it and/or modify
@@ -233,6 +233,22 @@ void UIPrefsDialog::reject()
     QDialog::reject();
 }
 
+void UIPrefsDialog::setStemLang(const QString& lang)
+{
+    int cur = 0;
+    if (lang == "") {
+	cur = 0;
+    } else {
+	for (int i = 1; i < stemLangCMB->count(); i++) {
+	    if (lang == stemLangCMB->text(i)) {
+		cur = i;
+		break;
+	    }
+	}
+    }
+    stemLangCMB->setCurrentItem(cur);
+}
+
 void UIPrefsDialog::showFontDialog()
 {
     bool ok;

src/qtgui/uiprefs_w.h

@@ -1,4 +1,4 @@
-/* @(#$Id: uiprefs_w.h,v 1.8 2007-02-08 09:03:29 dockes Exp $  (C) 2006 J.F.Dockes */
+/* @(#$Id: uiprefs_w.h,v 1.9 2007-08-01 07:55:03 dockes Exp $  (C) 2006 J.F.Dockes */
 /*
  *   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
@@ -17,7 +17,7 @@
  */
 #ifndef _UIPREFS_W_H_INCLUDED_
 #define _UIPREFS_W_H_INCLUDED_
-/* @(#$Id: uiprefs_w.h,v 1.8 2007-02-08 09:03:29 dockes Exp $  (C) 2005 J.F.Dockes */
+/* @(#$Id: uiprefs_w.h,v 1.9 2007-08-01 07:55:03 dockes Exp $  (C) 2005 J.F.Dockes */
 #include <qvariant.h>
 #include <qdialog.h>
 
@@ -75,6 +75,7 @@ public slots:
     virtual void togExtraDbPB_clicked();
     virtual void actAllExtraDbPB_clicked();
     virtual void unacAllExtraDbPB_clicked();
+    virtual void setStemLang(const QString& lang);
 
 signals:
     void uiprefsDone();