restore double clicking in the QRefs dialog (bug 2194), plus some small ui fixes.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10714 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt2/ChangeLog

@@ -1,3 +1,16 @@
+2006-01-08  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* ui/QRefDialogBase.ui: re-connect the refsLB->Selected signal
+	in order to restore double clicking (bug 2194)
+
+	* QRef.[Ch]: add isValid member and use it (disable OK button
+	when text widget is empty).
+
+	* QRef.C:
+	* QRefDialog.C: assure that the browser items are correctly
+	highlighted/not highlighted if a dialog is opened for the first 
+	time (was distorted by the refsLB->Selected signal).
+
 2005-12-14  Hartmut Haase  <hha4491@atomstromfrei.de>
 
 	* ui/QPrefLatexModule.ui: make the papersize choices in

src/frontends/qt2/QRef.C

@@ -100,7 +100,7 @@ void QRef::update_contents()
 		dialog_->bufferCO->setCurrentItem(controller().getBufferNum());
 
 	updateRefs();
-	bc().valid(false);
+	bc().valid(isValid());
 }
 
 
@@ -192,13 +192,15 @@ void QRef::redoRefs()
 	dialog_->referenceED->setText(tmp);
 
 	// restore the last selection for new insets
+	// but do not highlight it
 	if (tmp.isEmpty() && lastref != -1
-	    && lastref < int(dialog_->refsLB->count()))
+	    && lastref < int(dialog_->refsLB->count())) {
 		dialog_->refsLB->setCurrentItem(lastref);
-	else
+		dialog_->refsLB->clearSelection();
+	} else
 		for (unsigned int i = 0; i < dialog_->refsLB->count(); ++i) {
 			if (tmp == dialog_->refsLB->text(i))
-				dialog_->refsLB->setCurrentItem(i);
+				dialog_->refsLB->setSelected(i, true);
 		}
 
 	dialog_->refsLB->setAutoUpdate(true);
@@ -223,5 +225,11 @@ void QRef::updateRefs()
 	redoRefs();
 }
 
+
+bool QRef::isValid()
+{
+	return !dialog_->referenceED->text().isEmpty();
+}
+
 } // namespace frontend
 } // namespace lyx

src/frontends/qt2/QRef.h

@@ -30,6 +30,8 @@ public:
 	friend class QRefDialog;
 
 	QRef(Dialog &);
+protected:
+	virtual bool isValid();
 private:
 	/// apply changes
 	virtual void apply();

src/frontends/qt2/QRefDialog.C

@@ -44,8 +44,7 @@ void QRefDialog::show()
 
 void QRefDialog::changed_adaptor()
 {
-	if (!referenceED->text().isEmpty())
-		form_->changed();
+	form_->changed();
 }
 
 
@@ -82,7 +81,12 @@ void QRefDialog::refSelected(const QString & sel)
 	if (form_->readOnly())
 		return;
 
-	referenceED->setText(sel);
+	int const cur_item = refsLB->currentItem();
+	bool const cur_item_selected = cur_item >= 0 ?
+		refsLB->isSelected(cur_item) : false;
+
+	if (cur_item_selected)
+		referenceED->setText(sel);
 	// <enter> or double click, inserts ref and closes dialog
 	form_->slotOK();
 }

src/frontends/qt2/ui/QRefDialogBase.ui

@@ -409,6 +409,12 @@
         <receiver>QRefDialogBase</receiver>
         <slot>refHighlighted(const QString&amp;)</slot>
     </connection>
+    <connection>
+        <sender>refsLB</sender>
+        <signal>selected(const QString&amp;)</signal>
+        <receiver>QRefDialogBase</receiver>
+        <slot>refSelected(const QString&amp;)</slot>
+    </connection>
     <connection>
         <sender>sortCB</sender>
         <signal>toggled(bool)</signal>