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/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 156 insertions, 0 deletions

diff --git a/kxkb/rules.cpp b/kxkb/rules.cpp
new file mode 100644
index 000000000..85c93f72b
--- /dev/null
+++ b/kxkb/rules.cpp
@@ -0,0 +1,156 @@
+#include <qwindowdefs.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qregexp.h>
+#include <qstringlist.h>
+#include <qdir.h>
+
+#include <kstandarddirs.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <config.h>
+
+#include "x11helper.h"
+#include "rules.h"
+
+
+XkbRules::XkbRules(bool layoutsOnly):
+    m_layouts(90)
+{
+	X11_DIR = X11Helper::findX11Dir();
+
+   	if( X11_DIR == NULL ) {
+        kdError() << "Cannot find X11 directory!" << endl;
+//        throw Exception();
+		return;
+   	}
+
+	QString rulesFile = X11Helper::findXkbRulesFile(X11_DIR, qt_xdisplay());
+	
+	if( rulesFile.isEmpty() ) {
+  		kdError() << "Cannot find rules file in " << X11_DIR << endl;
+//		throw Exception();
+		return;
+	}
+
+	loadRules(rulesFile, layoutsOnly);
+	loadOldLayouts(rulesFile);
+	loadGroups(::locate("config", "kxkb_groups"));
+}
+
+
+void XkbRules::loadRules(QString file, bool layoutsOnly)
+{
+	RulesInfo* rules = X11Helper::loadRules(file, layoutsOnly);
+
+	if (rules == NULL) {
+		kdDebug() << "Unable to load rules" << endl;
+		return;
+	}
+
+	m_layouts= rules->layouts;
+	if( layoutsOnly == false ) {
+		m_models = rules->models;
+		m_options = rules->options;
+	}
+
+	//  fixLayouts();
+}
+
+// void XkbRules::fixLayouts() {
+// // THIS IS TEMPORARY!!!
+// // This should be fixed in XFree86 (and actually is fixed in XFree 4.2)
+// // some handcoded ones, because the X11 rule file doesn't get them correctly, or in case
+// // the rule file wasn't found
+// 	static struct {
+// 		const char * locale;
+// 		const char * layout;
+// 	} fixedLayouts[] = {
+// 		{ "ben", "Bengali" },
+// 		{ "ar", "Arabic" },
+// 		{ "ir", "Farsi" },
+// 		{ 0, 0 }
+// 	};
+// 	
+// 	for(int i=0; fixedLayouts[i].layout != 0; i++ ) {
+// 		if( m_layouts.find(fixedLayouts[i].locale) == 0 )
+// 			m_layouts.insert(fixedLayouts[i].locale, fixedLayouts[i].layout);
+// 	}
+// }
+
+bool XkbRules::isSingleGroup(const QString& layout)
+{
+	  return X11Helper::areSingleGroupsSupported()
+			  && !m_oldLayouts.contains(layout)
+			  && !m_nonLatinLayouts.contains(layout);
+}
+
+
+// check $oldlayouts and $nonlatin groups for XFree 4.3 and later
+void XkbRules::loadOldLayouts(QString rulesFile)
+{
+	OldLayouts* oldLayoutsStruct = X11Helper::loadOldLayouts( rulesFile );
+	m_oldLayouts = oldLayoutsStruct->oldLayouts;
+	m_nonLatinLayouts = oldLayoutsStruct->nonLatinLayouts;
+}
+
+// for multi-group layouts in XFree 4.2 and older
+//    or if layout is present in $oldlayout or $nonlatin groups
+void XkbRules::loadGroups(QString file)
+{
+  QFile f(file);
+  if (f.open(IO_ReadOnly))
+    {
+      QTextStream ts(&f);
+      QString locale;
+      unsigned int grp;
+
+      while (!ts.eof()) {
+         ts >> locale >> grp;
+	 locale.simplifyWhiteSpace();
+
+	 if (locale[0] == '#' || locale.left(2) == "//" || locale.isEmpty())
+	    continue;
+
+    	 m_initialGroups.insert(locale, grp);
+      }
+      
+      f.close();
+    }
+}
+
+unsigned int 
+XkbRules::getDefaultGroup(const QString& layout, const QString& includeGroup)
+{
+// check for new one-group layouts in XFree 4.3 and older
+    if( isSingleGroup(layout) ) {
+		if( includeGroup.isEmpty() == false )
+			return 1;
+		else
+			return 0;
+    }
+    
+    QMap<QString, unsigned int>::iterator it = m_initialGroups.find(layout);
+    return it == m_initialGroups.end() ? 0 : it.data();
+}
+
+
+QStringList
+XkbRules::getAvailableVariants(const QString& layout)
+{
+    if( layout.isEmpty() || !layouts().find(layout) )
+	return QStringList();
+
+    QStringList* result1 = m_varLists[layout];
+    if( result1 )
+        return *result1;
+
+    bool oldLayouts = m_oldLayouts.contains(layout);
+    QStringList* result = X11Helper::getVariants(layout, X11_DIR, oldLayouts);
+
+    m_varLists.insert(layout, result);
+
+    return *result;
+}
+