useful helper method (will be used for improved options dialog)

svn-id: r13237

2 files changed, 15 insertions, 0 deletions

diff --git a/gui/PopUpWidget.cpp b/gui/PopUpWidget.cpp
index 9527db6491..71d861d35c 100644
--- a/gui/PopUpWidget.cpp
+++ b/gui/PopUpWidget.cpp
@@ -315,6 +315,16 @@ void PopUpWidget::setSelected(int item) {
 	}
 }
 
+void PopUpWidget::setSelectedTag(uint32 tag) {
+	uint item;
+	for (item = 0; item < _entries.size(); ++item) {
+		if (_entries[item].tag == tag) {
+			setSelected(item);
+			return;
+		}
+	}
+}
+
 void PopUpWidget::drawWidget(bool hilite) {
 	NewGui	*gui = &g_gui;
 	int x = _x + _labelWidth;
diff --git a/gui/PopUpWidget.h b/gui/PopUpWidget.h
index ec6a6c363c..9a5e63ad09 100644
--- a/gui/PopUpWidget.h
+++ b/gui/PopUpWidget.h
@@ -62,7 +62,12 @@ public:
 	void appendEntry(const String &entry, uint32 tag = (uint32)-1);
 	void clearEntries();
 
+	/** Select the entry at the given index. */
 	void setSelected(int item);
+	
+	/** Select the first entry matching the given tag. */
+	void setSelectedTag(uint32 tag);
+
 	int getSelected() const						{ return _selectedItem; }
 	uint32 getSelectedTag() const				{ return (_selectedItem >= 0) ? _entries[_selectedItem].tag : (uint32)-1; }
 	const String& getSelectedString() const		{ return (_selectedItem >= 0) ? _entries[_selectedItem].name : String::emptyString; }