From b62b845b3364cdfa098e4d13c8689a5c52467351 Mon Sep 17 00:00:00 2001
From: wonder <wonder@c8812cc2-4d05-0410-92ff-de0c093fc19c>
Date: Wed, 27 Jun 2007 12:32:43 +0000
Subject: [PATCH] Georeferencer: disable OK button in map coordinates dialog if
 no coordinates are entered.

git-svn-id: http://svn.osgeo.org/qgis/trunk@7052 c8812cc2-4d05-0410-92ff-de0c093fc19c
---
 src/plugins/georeferencer/mapcoordsdialog.cpp | 9 +++++++++
 src/plugins/georeferencer/mapcoordsdialog.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/plugins/georeferencer/mapcoordsdialog.cpp b/src/plugins/georeferencer/mapcoordsdialog.cpp
index 82fe2046f42b..29159e6364c6 100644
--- a/src/plugins/georeferencer/mapcoordsdialog.cpp
+++ b/src/plugins/georeferencer/mapcoordsdialog.cpp
@@ -22,6 +22,10 @@ MapCoordsDialog::MapCoordsDialog(const QgsPoint& pixelCoords, QgsMapCanvas* qgis
   mToolEmitPoint = new QgsMapToolEmitPoint(qgisCanvas);
   mToolEmitPoint->setButton(btnPointFromCanvas);
   connect(mToolEmitPoint, SIGNAL(gotPoint(QgsPoint&,Qt::MouseButton)), this, SLOT(setXY(QgsPoint&)));
+
+  connect(leXCoord, SIGNAL(textChanged(const QString&)), this, SLOT(updateOK()));
+  connect(leYCoord, SIGNAL(textChanged(const QString&)), this, SLOT(updateOK()));
+  updateOK();
 }
 
 
@@ -30,6 +34,11 @@ MapCoordsDialog::~MapCoordsDialog() {
   delete mToolEmitPoint;
 }
 
+void MapCoordsDialog::updateOK()
+{
+  bool enable = (leXCoord->text().size() != 0 && leYCoord->text().size() != 0);
+  buttonOk->setEnabled(enable);
+}
 
 void MapCoordsDialog::on_buttonOk_clicked() {
   QgsPoint mapCoords(leXCoord->text().toDouble(), leYCoord->text().toDouble());
diff --git a/src/plugins/georeferencer/mapcoordsdialog.h b/src/plugins/georeferencer/mapcoordsdialog.h
index dafa980cb305..25e30ea581c1 100644
--- a/src/plugins/georeferencer/mapcoordsdialog.h
+++ b/src/plugins/georeferencer/mapcoordsdialog.h
@@ -36,6 +36,7 @@ public slots:
   void on_btnPointFromCanvas_clicked();
   
   void setXY(QgsPoint &);
+  void updateOK();
   
 private: